--- /dev/null
+
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = i915_dri.so
+
+
+COMMON_SOURCES = \
+ ../../common/driverfuncs.c \
+ ../common/mm.c \
+ ../common/utils.c \
+ ../common/texmem.c \
+ ../common/vblank.c \
+ ../common/xmlconfig.c \
+ ../common/dri_util.c \
+ ../common/glcontextmodes.c
+
+DRIVER_SOURCES = \
+ i915_context.c \
+ i915_debug.c \
+ i915_fragprog.c \
+ i915_metaops.c \
+ i915_program.c \
+ i915_state.c \
+ i915_tex.c \
+ i915_texprog.c \
+ i915_texstate.c \
+ i915_vtbl.c \
+ i830_context.c \
+ i830_metaops.c \
+ i830_state.c \
+ i830_texblend.c \
+ i830_tex.c \
+ i830_texstate.c \
+ i830_vtbl.c \
+ intel_batchbuffer.c \
+ intel_context.c \
+ intel_ioctl.c \
+ intel_pixel.c \
+ intel_render.c \
+ intel_screen.c \
+ intel_span.c \
+ intel_state.c \
+ intel_tex.c \
+ intel_tris.c
+
+C_SOURCES = \
+ $(COMMON_SOURCES) \
+ $(MINIGLX_SOURCES) \
+ $(DRIVER_SOURCES)
+
+ASM_SOURCES =
+
+
+
+include ../Makefile.template
+
+symlinks:
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "i830_context.h"
+#include "imports.h"
+#include "texmem.h"
+#include "intel_tex.h"
+#include "tnl/tnl.h"
+#include "tnl/t_vertex.h"
+#include "tnl/t_context.h"
+
+
+/***************************************
+ * Mesa's Driver Functions
+ ***************************************/
+
+/* This is the extension list explicitly enabled by the client and
+ * excludes functionality available in Mesa and also excludes legacy
+ * extensions. It is recognized that in an open source driver, those
+ * extensions will probably be re-enabled.
+ */
+static const GLubyte *i830GetString( GLcontext *ctx, GLenum name )
+{
+ if (name == GL_EXTENSIONS)
+ return
+ "GL_ARB_multitexture "
+ "GL_ARB_texture_border_clamp "
+ "GL_ARB_texture_compression "
+ "GL_ARB_texture_env_add "
+ "GL_ARB_texture_env_combine "
+ "GL_ARB_texture_env_dot3 "
+ "GL_ARB_texture_mirrored_repeat "
+ "GL_ARB_transpose_matrix "
+ "GL_ARB_vertex_buffer_object "
+ "GL_ARB_vertex_program "
+ "GL_ARB_window_pos "
+ "GL_EXT_abgr "
+ "GL_EXT_bgra "
+ "GL_EXT_blend_color "
+ "GL_EXT_blend_func_separate "
+ "GL_EXT_blend_minmax "
+ "GL_EXT_blend_subtract "
+ "GL_EXT_clip_volume_hint "
+ "GL_EXT_compiled_vertex_array "
+ "GL_EXT_draw_range_elements "
+ "GL_EXT_fog_coord "
+ "GL_EXT_multi_draw_arrays "
+ "GL_EXT_packed_pixels "
+ "GL_EXT_rescale_normal "
+ "GL_EXT_secondary_color "
+ "GL_EXT_separate_specular_color "
+ "GL_EXT_stencil_wrap "
+ "GL_EXT_texture_env_add "
+ "GL_EXT_texture_env_combine "
+ "GL_EXT_texture_filter_anisotropic "
+ "GL_IBM_texture_mirrored_repeat "
+ "GL_MESA_ycbcr_texture "
+ "GL_MESA_window_pos "
+ "GL_NV_texgen_reflection "
+ "GL_SGIS_generate_mipmap ";
+
+ return intelGetString( ctx, name );
+}
+
+
+static void i830InitDriverFunctions( struct dd_function_table *functions )
+{
+ intelInitDriverFunctions( functions );
+ i830InitStateFuncs( functions );
+ i830InitTextureFuncs( functions );
+ functions->GetString = i830GetString;
+}
+
+
+GLboolean i830CreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate)
+{
+ struct dd_function_table functions;
+ i830ContextPtr i830 = (i830ContextPtr) CALLOC_STRUCT(i830_context);
+ intelContextPtr intel = &i830->intel;
+ GLcontext *ctx = &intel->ctx;
+ if (!i830) return GL_FALSE;
+
+ i830InitVtbl( i830 );
+ i830InitDriverFunctions( &functions );
+
+ if (!intelInitContext( intel, mesaVis, driContextPriv,
+ sharedContextPrivate, &functions )) {
+ FREE(i830);
+ return GL_FALSE;
+ }
+
+ intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
+ intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS;
+ intel->ctx.Const.MaxTextureCoordUnits = I830_TEX_UNITS;
+
+ intel->nr_heaps = 1;
+ intel->texture_heaps[0] =
+ driCreateTextureHeap( 0, intel,
+ intel->intelScreen->textureSize,
+ 12,
+ I830_NR_TEX_REGIONS,
+ intel->sarea->texList,
+ & intel->sarea->texAge,
+ & intel->swapped,
+ sizeof( struct i830_texture_object ),
+ (destroy_texture_object_t *)intelDestroyTexObj );
+
+ /* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are tightly
+ * FIXME: packed, but they're not in Intel graphics hardware.
+ */
+ intel->ctx.Const.MaxTextureUnits = 1;
+ driCalculateMaxTextureLevels( intel->texture_heaps,
+ intel->nr_heaps,
+ &intel->ctx.Const,
+ 4,
+ 11, /* max 2D texture size is 2048x2048 */
+ 8, /* max 3D texture size is 256^3 */
+ 0, /* max CUBE. not supported */
+ 0, /* max RECT. supported, but not enabled */
+ 12,
+ GL_FALSE );
+ intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS;
+
+ _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
+ 18 * sizeof(GLfloat) );
+
+ intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
+
+ i830InitState( i830 );
+
+
+ _tnl_allow_vertex_fog( ctx, 1 );
+ _tnl_allow_pixel_fog( ctx, 0 );
+
+ return GL_TRUE;
+}
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef I830CONTEXT_INC
+#define I830CONTEXT_INC
+
+#include "intel_context.h"
+
+#define I830_FALLBACK_TEXTURE 0x1000
+#define I830_FALLBACK_COLORMASK 0x2000
+#define I830_FALLBACK_STENCIL 0x4000
+#define I830_FALLBACK_STIPPLE 0x8000
+#define I830_FALLBACK_LOGICOP 0x10000
+
+#define I830_UPLOAD_CTX 0x1
+#define I830_UPLOAD_BUFFERS 0x2
+#define I830_UPLOAD_STIPPLE 0x4
+#define I830_UPLOAD_TEX(i) (0x10<<(i))
+#define I830_UPLOAD_TEXBLEND(i) (0x100<<(i))
+#define I830_UPLOAD_TEX_ALL (0x0f0)
+#define I830_UPLOAD_TEXBLEND_ALL (0xf00)
+
+/* State structure offsets - these will probably disappear.
+ */
+#define I830_DESTREG_CBUFADDR0 0
+#define I830_DESTREG_CBUFADDR1 1
+#define I830_DESTREG_CBUFADDR2 2
+#define I830_DESTREG_DBUFADDR0 3
+#define I830_DESTREG_DBUFADDR1 4
+#define I830_DESTREG_DBUFADDR2 5
+#define I830_DESTREG_DV0 6
+#define I830_DESTREG_DV1 7
+#define I830_DESTREG_SENABLE 8
+#define I830_DESTREG_SR0 9
+#define I830_DESTREG_SR1 10
+#define I830_DESTREG_SR2 11
+#define I830_DEST_SETUP_SIZE 12
+
+#define I830_CTXREG_STATE1 0
+#define I830_CTXREG_STATE2 1
+#define I830_CTXREG_STATE3 2
+#define I830_CTXREG_STATE4 3
+#define I830_CTXREG_STATE5 4
+#define I830_CTXREG_IALPHAB 5
+#define I830_CTXREG_STENCILTST 6
+#define I830_CTXREG_ENABLES_1 7
+#define I830_CTXREG_ENABLES_2 8
+#define I830_CTXREG_AA 9
+#define I830_CTXREG_FOGCOLOR 10
+#define I830_CTXREG_BLENDCOLOR0 11
+#define I830_CTXREG_BLENDCOLOR1 12
+#define I830_CTXREG_VF 13
+#define I830_CTXREG_VF2 14
+#define I830_CTXREG_MCSB0 15
+#define I830_CTXREG_MCSB1 16
+#define I830_CTX_SETUP_SIZE 17
+
+#define I830_STPREG_ST0 0
+#define I830_STPREG_ST1 1
+#define I830_STP_SETUP_SIZE 2
+
+#define I830_TEXREG_TM0LI 0 /* load immediate 2 texture map n */
+#define I830_TEXREG_TM0S0 1
+#define I830_TEXREG_TM0S1 2
+#define I830_TEXREG_TM0S2 3
+#define I830_TEXREG_TM0S3 4
+#define I830_TEXREG_TM0S4 5
+#define I830_TEXREG_MCS 6 /* _3DSTATE_MAP_COORD_SETS */
+#define I830_TEX_SETUP_SIZE 7
+
+#define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */
+
+struct i830_texture_object
+{
+ struct intel_texture_object intel;
+ GLuint Setup[I830_TEX_SETUP_SIZE];
+};
+
+#define I830_TEX_UNITS 4
+
+struct i830_hw_state {
+ GLuint Ctx[I830_CTX_SETUP_SIZE];
+ GLuint Buffer[I830_DEST_SETUP_SIZE];
+ GLuint Stipple[I830_STP_SETUP_SIZE];
+ GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE];
+ GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE];
+ GLuint TexBlendWordsUsed[I830_TEX_UNITS];
+ GLuint emitted; /* I810_UPLOAD_* */
+ GLuint active;
+};
+
+struct i830_context
+{
+ struct intel_context intel;
+
+ GLuint last_index;
+
+ struct i830_hw_state meta, initial, state, *current;
+};
+
+typedef struct i830_context *i830ContextPtr;
+typedef struct i830_texture_object *i830TextureObjectPtr;
+
+#define I830_CONTEXT(ctx) ((i830ContextPtr)(ctx))
+
+
+
+#define I830_STATECHANGE(i830, flag) \
+do { \
+ INTEL_FIREVERTICES( &i830->intel ); \
+ i830->state.emitted &= ~flag; \
+} while (0)
+
+#define I830_ACTIVESTATE(i830, flag, mode) \
+do { \
+ INTEL_FIREVERTICES( &i830->intel ); \
+ if (mode) \
+ i830->state.active |= flag; \
+ else \
+ i830->state.active &= ~flag; \
+} while (0)
+
+/* i830_vtbl.c
+ */
+extern void
+i830InitVtbl( i830ContextPtr i830 );
+
+/* i830_context.c
+ */
+extern GLboolean
+i830CreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate);
+
+/* i830_tex.c, i830_texstate.c
+ */
+extern void
+i830UpdateTextureState( intelContextPtr intel );
+
+extern void
+i830InitTextureFuncs( struct dd_function_table *functions );
+
+extern intelTextureObjectPtr
+i830AllocTexObj( struct gl_texture_object *tObj );
+
+/* i830_texblend.c
+ */
+extern GLuint
+i830SetBlend_GL1_2(i830ContextPtr i830, int unit,
+ GLenum envMode, GLenum format,
+ GLuint texel_op,
+ GLuint *state,
+ const GLfloat *envcolor );
+
+extern void
+i830EmitTextureBlend( i830ContextPtr i830 );
+
+
+/* i830_state.c
+ */
+extern void
+i830InitStateFuncs( struct dd_function_table *functions );
+
+extern void
+i830EmitState( i830ContextPtr i830 );
+
+extern void
+i830InitState( i830ContextPtr i830 );
+
+/* i830_metaops.c
+ */
+extern GLboolean
+i830TryTextureReadPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *pack,
+ GLvoid *pixels );
+
+extern GLboolean
+i830TryTextureDrawPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid *pixels );
+
+extern void
+i830ClearWithTris( intelContextPtr intel, GLbitfield mask,
+ GLboolean all, GLint cx, GLint cy, GLint cw, GLint ch);
+
+
+
+#endif
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "enums.h"
+#include "mtypes.h"
+#include "macros.h"
+#include "utils.h"
+
+#include "intel_screen.h"
+#include "intel_batchbuffer.h"
+#include "intel_ioctl.h"
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+/* A large amount of state doesn't need to be uploaded.
+ */
+#define ACTIVE (I830_UPLOAD_TEXBLEND(0) | \
+ I830_UPLOAD_STIPPLE | \
+ I830_UPLOAD_CTX | \
+ I830_UPLOAD_BUFFERS | \
+ I830_UPLOAD_TEX(0))
+
+
+#define SET_STATE( i830, STATE ) \
+do { \
+ i830->current->emitted &= ~ACTIVE; \
+ i830->current = &i830->STATE; \
+ i830->current->emitted &= ~ACTIVE; \
+} while (0)
+
+/* Operations where the 3D engine is decoupled temporarily from the
+ * current GL state and used for other purposes than simply rendering
+ * incoming triangles.
+ */
+static void set_initial_state( i830ContextPtr i830 )
+{
+ memcpy(&i830->meta, &i830->initial, sizeof(i830->meta) );
+ i830->meta.active = ACTIVE;
+ i830->meta.emitted = 0;
+}
+
+
+static void set_no_depth_stencil_write( i830ContextPtr i830 )
+{
+ /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_FALSE )
+ */
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_STENCIL_TEST;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_STENCIL_WRITE;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_STENCIL_TEST;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_STENCIL_WRITE;
+
+
+ /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
+ */
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_DEPTH_TEST;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE;
+
+ i830->meta.emitted &= ~I830_UPLOAD_CTX;
+}
+
+/* Set stencil unit to replace always with the reference value.
+ */
+static void set_stencil_replace( i830ContextPtr i830,
+ GLuint s_mask,
+ GLuint s_clear)
+{
+ /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_TRUE )
+ */
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_STENCIL_TEST;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_STENCIL_WRITE;
+
+
+ /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
+ */
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_DEPTH_TEST;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE;
+
+ /* ctx->Driver.StencilMask( ctx, s_mask )
+ */
+ i830->meta.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
+ i830->meta.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK((s_mask&0xff)));
+
+ /* ctx->Driver.StencilOp( ctx, GL_REPLACE, GL_REPLACE, GL_REPLACE )
+ */
+ i830->meta.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_OPS_MASK);
+ i830->meta.Ctx[I830_CTXREG_STENCILTST] |=
+ (ENABLE_STENCIL_PARMS |
+ STENCIL_FAIL_OP(STENCILOP_REPLACE) |
+ STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_REPLACE) |
+ STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_REPLACE));
+
+ /* ctx->Driver.StencilFunc( ctx, GL_ALWAYS, s_clear, ~0 )
+ */
+ i830->meta.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
+ i830->meta.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(0xff));
+
+ i830->meta.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_REF_VALUE_MASK |
+ ENABLE_STENCIL_TEST_FUNC_MASK);
+ i830->meta.Ctx[I830_CTXREG_STENCILTST] |=
+ (ENABLE_STENCIL_REF_VALUE |
+ ENABLE_STENCIL_TEST_FUNC |
+ STENCIL_REF_VALUE((s_clear&0xff)) |
+ STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS));
+
+
+
+ i830->meta.emitted &= ~I830_UPLOAD_CTX;
+}
+
+
+static void set_color_mask( i830ContextPtr i830, GLboolean state )
+{
+ const GLuint mask = ((1 << WRITEMASK_RED_SHIFT) |
+ (1 << WRITEMASK_GREEN_SHIFT) |
+ (1 << WRITEMASK_BLUE_SHIFT) |
+ (1 << WRITEMASK_ALPHA_SHIFT));
+
+ if (state) {
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] &= ~mask;
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] |=
+ (i830->state.Ctx[I830_CTXREG_ENABLES_2] & mask);
+ }
+ else
+ i830->meta.Ctx[I830_CTXREG_ENABLES_2] |= mask;
+
+ i830->meta.emitted &= ~I830_UPLOAD_CTX;
+}
+
+/* Installs a one-stage passthrough texture blend pipeline. Is there
+ * more that can be done to turn off texturing?
+ */
+static void set_no_texture( i830ContextPtr i830 )
+{
+ i830->meta.TexBlendWordsUsed[0] =
+ i830SetBlend_GL1_2( i830, 0, GL_NONE, 0,
+ TEXBLENDARG_TEXEL0,
+ i830->meta.TexBlend[0], 0 );
+ i830->meta.TexBlend[0][0] |= TEXOP_LAST_STAGE;
+ i830->meta.emitted &= ~I830_UPLOAD_TEXBLEND(0);
+}
+
+/* Set up a single element blend stage for 'replace' texturing with no
+ * funny ops.
+ */
+static void enable_texture_blend_replace( i830ContextPtr i830,
+ GLenum format )
+{
+ i830->meta.TexBlendWordsUsed[0] =
+ i830SetBlend_GL1_2( i830, 0, GL_REPLACE, format,
+ TEXBLENDARG_TEXEL0,
+ i830->meta.TexBlend[0], 0 );
+ i830->meta.TexBlend[0][0] |= TEXOP_LAST_STAGE;
+ i830->meta.emitted &= ~I830_UPLOAD_TEXBLEND(0);
+
+/* fprintf(stderr, "%s: TexBlendWordsUsed[0]: %d\n", */
+/* __FUNCTION__, i830->meta.TexBlendWordsUsed[0]); */
+}
+
+
+
+/* Set up an arbitary piece of memory as a rectangular texture
+ * (including the front or back buffer).
+ */
+static void set_tex_rect_source( i830ContextPtr i830,
+ GLuint offset,
+ GLuint width,
+ GLuint height,
+ GLuint pitch,
+ GLuint textureFormat )
+{
+ GLint numLevels = 1;
+ GLuint *setup = i830->meta.Tex[0];
+
+ pitch *= i830->intel.intelScreen->cpp;
+
+/* fprintf(stderr, "%s: offset: %x w: %d h: %d pitch %d format %x\n", */
+/* __FUNCTION__, offset, width, height, pitch, textureFormat ); */
+
+ setup[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
+ (LOAD_TEXTURE_MAP0 << 0) | 4);
+ setup[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE | offset);
+ setup[I830_TEXREG_TM0S1] = (((height - 1) << TM0S1_HEIGHT_SHIFT) |
+ ((width - 1) << TM0S1_WIDTH_SHIFT) |
+ textureFormat);
+ setup[I830_TEXREG_TM0S2] = ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT));
+ setup[I830_TEXREG_TM0S3] &= ~TM0S3_MAX_MIP_MASK;
+ setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIN_MIP_MASK;
+ setup[I830_TEXREG_TM0S3] |= ((numLevels - 1)*4) << TM0S3_MIN_MIP_SHIFT;
+
+ setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
+ MAP_UNIT(0) |
+ ENABLE_TEXCOORD_PARAMS |
+ TEXCOORDS_ARE_IN_TEXELUNITS |
+ TEXCOORDTYPE_CARTESIAN |
+ ENABLE_ADDR_V_CNTL |
+ TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) |
+ ENABLE_ADDR_U_CNTL |
+ TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP));
+
+ i830->meta.emitted &= ~I830_UPLOAD_TEX(0);
+}
+
+
+/* Select between front and back draw buffers.
+ */
+static void set_draw_offset( i830ContextPtr i830,
+ GLuint offset )
+{
+ i830->meta.Buffer[I830_DESTREG_CBUFADDR2] = offset;
+ i830->meta.emitted &= ~I830_UPLOAD_BUFFERS;
+}
+
+/* Setup an arbitary draw format, useful for targeting
+ * texture or agp memory.
+ */
+static void set_draw_format( i830ContextPtr i830,
+ GLuint format,
+ GLuint depth_format)
+{
+ i830->meta.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ format |
+ DEPTH_IS_Z |
+ depth_format);
+}
+
+
+static void set_vertex_format( i830ContextPtr i830 )
+{
+ i830->meta.Ctx[I830_CTXREG_VF] = (_3DSTATE_VFT0_CMD |
+ VFT0_TEX_COUNT(1) |
+ VFT0_DIFFUSE |
+ VFT0_SPEC |
+ VFT0_XYZW);
+ i830->meta.Ctx[I830_CTXREG_VF2] = (_3DSTATE_VFT1_CMD |
+ VFT1_TEX0_FMT(TEXCOORDFMT_2D) |
+ VFT1_TEX1_FMT(TEXCOORDFMT_2D) |
+ VFT1_TEX2_FMT(TEXCOORDFMT_2D) |
+ VFT1_TEX3_FMT(TEXCOORDFMT_2D));
+ i830->meta.emitted &= ~I830_UPLOAD_CTX;
+}
+
+
+static void draw_quad(i830ContextPtr i830,
+ GLfloat x0, GLfloat x1,
+ GLfloat y0, GLfloat y1,
+ GLubyte red, GLubyte green,
+ GLubyte blue, GLubyte alpha,
+ GLfloat s0, GLfloat s1,
+ GLfloat t0, GLfloat t1 )
+{
+ GLuint vertex_size = 8;
+ GLuint *vb = intelEmitInlinePrimitiveLocked( &i830->intel,
+ PRIM3D_TRIFAN,
+ 4*vertex_size,
+ vertex_size );
+ intelVertex tmp;
+ int i;
+
+
+/* fprintf(stderr, "%s: %f,%f-%f,%f 0x%x%x%x%x %f,%f-%f,%f\n", */
+/* __FUNCTION__, */
+/* x0,y0,x1,y1,red,green,blue,alpha,s0,t0,s1,t1); */
+
+
+ /* initial vertex, left bottom */
+ tmp.v.x = x0;
+ tmp.v.y = y0;
+ tmp.v.z = 1.0;
+ tmp.v.w = 1.0;
+ tmp.v.color.red = red;
+ tmp.v.color.green = green;
+ tmp.v.color.blue = blue;
+ tmp.v.color.alpha = alpha;
+ tmp.v.specular.red = 0;
+ tmp.v.specular.green = 0;
+ tmp.v.specular.blue = 0;
+ tmp.v.specular.alpha = 0;
+ tmp.v.u0 = s0;
+ tmp.v.v0 = t0;
+ for (i = 0 ; i < 8 ; i++)
+ vb[i] = tmp.ui[i];
+
+ /* right bottom */
+ vb += 8;
+ tmp.v.x = x1;
+ tmp.v.u0 = s1;
+ for (i = 0 ; i < 8 ; i++)
+ vb[i] = tmp.ui[i];
+
+ /* right top */
+ vb += 8;
+ tmp.v.y = y1;
+ tmp.v.v0 = t1;
+ for (i = 0 ; i < 8 ; i++)
+ vb[i] = tmp.ui[i];
+
+ /* left top */
+ vb += 8;
+ tmp.v.x = x0;
+ tmp.v.u0 = s0;
+ for (i = 0 ; i < 8 ; i++)
+ vb[i] = tmp.ui[i];
+
+/* fprintf(stderr, "%s: DV1: %x\n", */
+/* __FUNCTION__, i830->meta.Buffer[I830_DESTREG_DV1]); */
+}
+
+void
+i830ClearWithTris(intelContextPtr intel, GLbitfield mask,
+ GLboolean all,
+ GLint cx, GLint cy, GLint cw, GLint ch)
+{
+ i830ContextPtr i830 = I830_CONTEXT( intel );
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ intelScreenPrivate *screen = intel->intelScreen;
+ int x0, y0, x1, y1;
+
+
+ SET_STATE( i830, meta );
+ set_initial_state( i830 );
+ set_no_texture( i830 );
+ set_vertex_format( i830 );
+
+ LOCK_HARDWARE(intel);
+
+ if(!all) {
+ x0 = cx;
+ y0 = cy;
+ x1 = x0 + cw;
+ y1 = y0 + ch;
+ } else {
+ x0 = 0;
+ y0 = 0;
+ x1 = x0 + dPriv->w;
+ y1 = y0 + dPriv->h;
+ }
+
+ /* Don't do any clipping to screen - these are window coordinates.
+ * The active cliprects will be applied as for any other geometry.
+ */
+
+ if(mask & DD_FRONT_LEFT_BIT) {
+ set_no_depth_stencil_write( i830 );
+ set_color_mask( i830, GL_TRUE );
+ set_draw_offset( i830, screen->frontOffset );
+ draw_quad(i830, x0, x1, y0, y1,
+ intel->clear_red, intel->clear_green,
+ intel->clear_blue, intel->clear_alpha,
+ 0, 0, 0, 0);
+ }
+
+ if(mask & DD_BACK_LEFT_BIT) {
+ set_no_depth_stencil_write( i830 );
+ set_color_mask( i830, GL_TRUE );
+ set_draw_offset( i830, screen->backOffset );
+
+ draw_quad(i830, x0, x1, y0, y1,
+ intel->clear_red, intel->clear_green,
+ intel->clear_blue, intel->clear_alpha,
+ 0, 0, 0, 0);
+ }
+
+ if(mask & DD_STENCIL_BIT) {
+ set_stencil_replace( i830,
+ intel->ctx.Stencil.WriteMask[0],
+ intel->ctx.Stencil.Clear);
+
+ set_color_mask( i830, GL_FALSE );
+ set_draw_offset( i830, screen->frontOffset );
+ draw_quad( i830, x0, x1, y0, y1, 0, 0, 0, 0, 0, 0, 0, 0 );
+ }
+
+ UNLOCK_HARDWARE(intel);
+
+ SET_STATE( i830, state );
+}
+
+
+
+
+GLboolean
+i830TryTextureReadPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *pack,
+ GLvoid *pixels )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ intelScreenPrivate *screen = i830->intel.intelScreen;
+ GLint pitch = pack->RowLength ? pack->RowLength : width;
+ __DRIdrawablePrivate *dPriv = i830->intel.driDrawable;
+ int textureFormat;
+ GLenum glTextureFormat;
+ int src_offset = i830->meta.Buffer[I830_DESTREG_CBUFADDR2];
+ int destOffset = intelAgpOffsetFromVirtual( &i830->intel, pixels);
+ int destFormat, depthFormat, destPitch;
+ drm_clip_rect_t tmp;
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+
+ if ( ctx->_ImageTransferState ||
+ pack->SwapBytes ||
+ pack->LsbFirst ||
+ !pack->Invert) {
+ fprintf(stderr, "%s: check_color failed\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ switch (screen->fbFormat) {
+ case DV_PF_565:
+ textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
+ glTextureFormat = GL_RGB;
+ break;
+ case DV_PF_555:
+ textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
+ glTextureFormat = GL_RGBA;
+ break;
+ case DV_PF_8888:
+ textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
+ glTextureFormat = GL_RGBA;
+ break;
+ default:
+ fprintf(stderr, "%s: textureFormat failed %x\n", __FUNCTION__,
+ screen->fbFormat);
+ return GL_FALSE;
+ }
+
+
+ switch (type) {
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if (format != GL_RGB) return GL_FALSE;
+ destFormat = COLR_BUF_RGB565;
+ depthFormat = DEPTH_FRMT_16_FIXED;
+ destPitch = pitch * 2;
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ if (format != GL_BGRA) return GL_FALSE;
+ destFormat = COLR_BUF_ARGB8888;
+ depthFormat = DEPTH_FRMT_24_FIXED_8_OTHER;
+ destPitch = pitch * 4;
+ break;
+ default:
+ fprintf(stderr, "%s: destFormat failed %s\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(type));
+ return GL_FALSE;
+ }
+
+ destFormat |= (0x02<<24);
+
+/* fprintf(stderr, "type: %s destFormat: %x\n", */
+/* _mesa_lookup_enum_by_nr(type), */
+/* destFormat); */
+
+ intelFlush( ctx );
+
+ SET_STATE( i830, meta );
+ set_initial_state( i830 );
+ set_no_depth_stencil_write( i830 );
+
+ LOCK_HARDWARE( intel );
+ {
+ intelWaitForIdle( intel ); /* required by GL */
+
+ if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
+ UNLOCK_HARDWARE( intel );
+ SET_STATE(i830, state);
+ fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
+ return GL_TRUE;
+ }
+
+#if 0
+ /* FIXME -- Just emit the correct state
+ */
+ if (i830SetParam(i830->driFd, I830_SETPARAM_CBUFFER_PITCH,
+ destPitch) != 0) {
+ UNLOCK_HARDWARE( intel );
+ SET_STATE(i830, state);
+ fprintf(stderr, "%s: setparam failed\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+#endif
+
+
+ y = dPriv->h - y - height;
+ x += dPriv->x;
+ y += dPriv->y;
+
+
+ /* Set the frontbuffer up as a large rectangular texture.
+ */
+ set_tex_rect_source( i830,
+ src_offset,
+ screen->width,
+ screen->height,
+ screen->frontPitch,
+ textureFormat );
+
+
+ enable_texture_blend_replace( i830, glTextureFormat );
+
+
+ /* Set the 3d engine to draw into the agp memory
+ */
+
+ set_draw_offset( i830, destOffset );
+ set_draw_format( i830, destFormat, depthFormat );
+
+
+ /* Draw a single quad, no cliprects:
+ */
+ i830->intel.numClipRects = 1;
+ i830->intel.pClipRects = &tmp;
+ i830->intel.pClipRects[0].x1 = 0;
+ i830->intel.pClipRects[0].y1 = 0;
+ i830->intel.pClipRects[0].x2 = width;
+ i830->intel.pClipRects[0].y2 = height;
+
+ draw_quad( i830,
+ 0, width, 0, height,
+ 0, 255, 0, 0,
+ x, x+width, y, y+height );
+
+ intelWindowMoved( intel );
+ }
+ UNLOCK_HARDWARE( intel );
+ intelFinish( ctx ); /* required by GL */
+
+ SET_STATE( i830, state );
+ return GL_TRUE;
+}
+
+
+GLboolean
+i830TryTextureDrawPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid *pixels )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ GLint pitch = unpack->RowLength ? unpack->RowLength : width;
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ int textureFormat;
+ GLenum glTextureFormat;
+ int dst_offset = i830->meta.Buffer[I830_DESTREG_CBUFADDR2];
+ int src_offset = intelAgpOffsetFromVirtual( intel, pixels );
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ /* Todo -- upload images that aren't in agp space, then texture
+ * from them.
+ */
+
+ if ( !intelIsAgpMemory( intel, pixels, pitch*height ) ) {
+ fprintf(stderr, "%s: intelIsAgpMemory failed\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ /* Todo -- don't want to clobber all the drawing state like we do
+ * for readpixels -- most of this state can be handled just fine.
+ */
+ if ( ctx->_ImageTransferState ||
+ unpack->SwapBytes ||
+ unpack->LsbFirst ||
+ ctx->Color.AlphaEnabled ||
+ ctx->Depth.Test ||
+ ctx->Fog.Enabled ||
+ ctx->Scissor.Enabled ||
+ ctx->Stencil.Enabled ||
+ !ctx->Color.ColorMask[0] ||
+ !ctx->Color.ColorMask[1] ||
+ !ctx->Color.ColorMask[2] ||
+ !ctx->Color.ColorMask[3] ||
+ ctx->Color.ColorLogicOpEnabled ||
+ ctx->Texture._EnabledUnits ||
+ ctx->Depth.OcclusionTest) {
+ fprintf(stderr, "%s: other tests failed\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ /* Todo -- remove these restrictions:
+ */
+ if (ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != -1.0F)
+ return GL_FALSE;
+
+
+
+ switch (type) {
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ if (format != GL_BGRA) return GL_FALSE;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
+ glTextureFormat = GL_RGBA;
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if (format != GL_RGB) return GL_FALSE;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
+ glTextureFormat = GL_RGB;
+ break;
+ case GL_UNSIGNED_SHORT_8_8_MESA:
+ if (format != GL_YCBCR_MESA) return GL_FALSE;
+ textureFormat = (MAPSURF_422 | MT_422_YCRCB_SWAPY
+/* | TM0S1_COLORSPACE_CONVERSION */
+ );
+ glTextureFormat = GL_YCBCR_MESA;
+ break;
+ case GL_UNSIGNED_SHORT_8_8_REV_MESA:
+ if (format != GL_YCBCR_MESA) return GL_FALSE;
+ textureFormat = (MAPSURF_422 | MT_422_YCRCB_NORMAL
+/* | TM0S1_COLORSPACE_CONVERSION */
+ );
+ glTextureFormat = GL_YCBCR_MESA;
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ if (format != GL_BGRA) return GL_FALSE;
+ textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
+ glTextureFormat = GL_RGBA;
+ break;
+ default:
+ fprintf(stderr, "%s: destFormat failed\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ intelFlush( ctx );
+
+ SET_STATE( i830, meta );
+
+ LOCK_HARDWARE( intel );
+ {
+ intelWaitForIdle( intel ); /* required by GL */
+
+ y -= height; /* cope with pixel zoom */
+
+ if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
+ UNLOCK_HARDWARE( intel );
+ SET_STATE(i830, state);
+ fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
+ return GL_TRUE;
+ }
+
+
+ y = dPriv->h - y - height;
+
+ set_initial_state( i830 );
+
+ /* Set the pixel image up as a rectangular texture.
+ */
+ set_tex_rect_source( i830,
+ src_offset,
+ width,
+ height,
+ pitch, /* XXXX!!!! -- /2 sometimes */
+ textureFormat );
+
+
+ enable_texture_blend_replace( i830, glTextureFormat );
+
+
+ /* Draw to the current draw buffer:
+ */
+ set_draw_offset( i830, dst_offset );
+
+ /* Draw a quad, use regular cliprects
+ */
+/* fprintf(stderr, "x: %d y: %d width %d height %d\n", x, y, width, height); */
+
+ draw_quad( i830,
+ x, x+width, y, y+height,
+ 0, 255, 0, 0,
+ 0, width, 0, height );
+
+ intelWindowMoved( intel );
+ }
+ UNLOCK_HARDWARE( intel );
+ intelFinish( ctx ); /* required by GL */
+
+ SET_STATE(i830, state);
+
+ return GL_TRUE;
+}
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#ifndef _I830_REG_H_
+#define _I830_REG_H_
+
+
+#include "intel_reg.h"
+
+#define I830_SET_FIELD( var, mask, value ) (var &= ~(mask), var |= value)
+
+#define _3DSTATE_AA_CMD (CMD_3D | (0x06<<24))
+#define AA_LINE_ECAAR_WIDTH_ENABLE (1<<16)
+#define AA_LINE_ECAAR_WIDTH_0_5 0
+#define AA_LINE_ECAAR_WIDTH_1_0 (1<<14)
+#define AA_LINE_ECAAR_WIDTH_2_0 (2<<14)
+#define AA_LINE_ECAAR_WIDTH_4_0 (3<<14)
+#define AA_LINE_REGION_WIDTH_ENABLE (1<<8)
+#define AA_LINE_REGION_WIDTH_0_5 0
+#define AA_LINE_REGION_WIDTH_1_0 (1<<6)
+#define AA_LINE_REGION_WIDTH_2_0 (2<<6)
+#define AA_LINE_REGION_WIDTH_4_0 (3<<6)
+#define AA_LINE_ENABLE ((1<<1) | 1)
+#define AA_LINE_DISABLE (1<<1)
+
+#define _3DSTATE_BUF_INFO_CMD (CMD_3D | (0x1d<<24) | (0x8e<<16) | 1)
+/* Dword 1 */
+#define BUF_3D_ID_COLOR_BACK (0x3<<24)
+#define BUF_3D_ID_DEPTH (0x7<<24)
+#define BUF_3D_USE_FENCE (1<<23)
+#define BUF_3D_TILED_SURFACE (1<<22)
+#define BUF_3D_TILE_WALK_X 0
+#define BUF_3D_TILE_WALK_Y (1<<21)
+#define BUF_3D_PITCH(x) (((x)/4)<<2)
+/* Dword 2 */
+#define BUF_3D_ADDR(x) ((x) & ~0x3)
+
+
+#define _3DSTATE_COLOR_FACTOR_CMD (CMD_3D | (0x1d<<24) | (0x1<<16))
+
+#define _3DSTATE_COLOR_FACTOR_N_CMD(stage) (CMD_3D | (0x1d<<24) | \
+ ((0x90+(stage))<<16))
+
+#define _3DSTATE_CONST_BLEND_COLOR_CMD (CMD_3D | (0x1d<<24) | (0x88<<16))
+
+#define _3DSTATE_DFLT_DIFFUSE_CMD (CMD_3D | (0x1d<<24) | (0x99<<16))
+
+#define _3DSTATE_DFLT_SPEC_CMD (CMD_3D | (0x1d<<24) | (0x9a<<16))
+
+#define _3DSTATE_DFLT_Z_CMD (CMD_3D | (0x1d<<24) | (0x98<<16))
+
+
+#define _3DSTATE_DST_BUF_VARS_CMD (CMD_3D | (0x1d<<24) | (0x85<<16))
+/* Dword 1 */
+#define DSTORG_HORT_BIAS(x) ((x)<<20)
+#define DSTORG_VERT_BIAS(x) ((x)<<16)
+#define COLOR_4_2_2_CHNL_WRT_ALL 0
+#define COLOR_4_2_2_CHNL_WRT_Y (1<<12)
+#define COLOR_4_2_2_CHNL_WRT_CR (2<<12)
+#define COLOR_4_2_2_CHNL_WRT_CB (3<<12)
+#define COLOR_4_2_2_CHNL_WRT_CRCB (4<<12)
+#define COLR_BUF_8BIT 0
+#define COLR_BUF_RGB555 (1<<8)
+#define COLR_BUF_RGB565 (2<<8)
+#define COLR_BUF_ARGB8888 (3<<8)
+#define DEPTH_IS_Z 0
+#define DEPTH_IS_W (1<<6)
+#define DEPTH_FRMT_16_FIXED 0
+#define DEPTH_FRMT_16_FLOAT (1<<2)
+#define DEPTH_FRMT_24_FIXED_8_OTHER (2<<2)
+#define DEPTH_FRMT_24_FLOAT_8_OTHER (3<<2)
+#define VERT_LINE_STRIDE_1 (1<<1)
+#define VERT_LINE_STRIDE_0 0
+#define VERT_LINE_STRIDE_OFS_1 1
+#define VERT_LINE_STRIDE_OFS_0 0
+
+
+#define _3DSTATE_DRAW_RECT_CMD (CMD_3D|(0x1d<<24)|(0x80<<16)|3)
+/* Dword 1 */
+#define DRAW_RECT_DIS_DEPTH_OFS (1<<30)
+#define DRAW_DITHER_OFS_X(x) ((x)<<26)
+#define DRAW_DITHER_OFS_Y(x) ((x)<<24)
+/* Dword 2 */
+#define DRAW_YMIN(x) ((x)<<16)
+#define DRAW_XMIN(x) (x)
+/* Dword 3 */
+#define DRAW_YMAX(x) ((x)<<16)
+#define DRAW_XMAX(x) (x)
+/* Dword 4 */
+#define DRAW_YORG(x) ((x)<<16)
+#define DRAW_XORG(x) (x)
+
+
+#define _3DSTATE_ENABLES_1_CMD (CMD_3D|(0x3<<24))
+#define ENABLE_LOGIC_OP_MASK ((1<<23)|(1<<22))
+#define ENABLE_LOGIC_OP ((1<<23)|(1<<22))
+#define DISABLE_LOGIC_OP (1<<23)
+#define ENABLE_STENCIL_TEST ((1<<21)|(1<<20))
+#define DISABLE_STENCIL_TEST (1<<21)
+#define ENABLE_DEPTH_BIAS ((1<<11)|(1<<10))
+#define DISABLE_DEPTH_BIAS (1<<11)
+#define ENABLE_SPEC_ADD_MASK ((1<<9)|(1<<8))
+#define ENABLE_SPEC_ADD ((1<<9)|(1<<8))
+#define DISABLE_SPEC_ADD (1<<9)
+#define ENABLE_DIS_FOG_MASK ((1<<7)|(1<<6))
+#define ENABLE_FOG ((1<<7)|(1<<6))
+#define DISABLE_FOG (1<<7)
+#define ENABLE_DIS_ALPHA_TEST_MASK ((1<<5)|(1<<4))
+#define ENABLE_ALPHA_TEST ((1<<5)|(1<<4))
+#define DISABLE_ALPHA_TEST (1<<5)
+#define ENABLE_DIS_CBLEND_MASK ((1<<3)|(1<<2))
+#define ENABLE_COLOR_BLEND ((1<<3)|(1<<2))
+#define DISABLE_COLOR_BLEND (1<<3)
+#define ENABLE_DIS_DEPTH_TEST_MASK ((1<<1)|1)
+#define ENABLE_DEPTH_TEST ((1<<1)|1)
+#define DISABLE_DEPTH_TEST (1<<1)
+
+/* _3DSTATE_ENABLES_2, p138 */
+#define _3DSTATE_ENABLES_2_CMD (CMD_3D|(0x4<<24))
+#define ENABLE_STENCIL_WRITE ((1<<21)|(1<<20))
+#define DISABLE_STENCIL_WRITE (1<<21)
+#define ENABLE_TEX_CACHE ((1<<17)|(1<<16))
+#define DISABLE_TEX_CACHE (1<<17)
+#define ENABLE_DITHER ((1<<9)|(1<<8))
+#define DISABLE_DITHER (1<<9)
+#define ENABLE_COLOR_MASK (1<<10)
+#define WRITEMASK_ALPHA (1<<7)
+#define WRITEMASK_ALPHA_SHIFT 7
+#define WRITEMASK_RED (1<<6)
+#define WRITEMASK_RED_SHIFT 6
+#define WRITEMASK_GREEN (1<<5)
+#define WRITEMASK_GREEN_SHIFT 5
+#define WRITEMASK_BLUE (1<<4)
+#define WRITEMASK_BLUE_SHIFT 4
+#define WRITEMASK_MASK ((1<<4)|(1<<5)|(1<<6)|(1<<7))
+#define ENABLE_COLOR_WRITE ((1<<3)|(1<<2))
+#define DISABLE_COLOR_WRITE (1<<3)
+#define ENABLE_DIS_DEPTH_WRITE_MASK 0x3
+#define ENABLE_DEPTH_WRITE ((1<<1)|1)
+#define DISABLE_DEPTH_WRITE (1<<1)
+
+/* _3DSTATE_FOG_COLOR, p139 */
+#define _3DSTATE_FOG_COLOR_CMD (CMD_3D|(0x15<<24))
+#define FOG_COLOR_RED(x) ((x)<<16)
+#define FOG_COLOR_GREEN(x) ((x)<<8)
+#define FOG_COLOR_BLUE(x) (x)
+
+/* _3DSTATE_FOG_MODE, p140 */
+#define _3DSTATE_FOG_MODE_CMD (CMD_3D|(0x1d<<24)|(0x89<<16)|2)
+/* Dword 1 */
+#define FOGFUNC_ENABLE (1<<31)
+#define FOGFUNC_VERTEX 0
+#define FOGFUNC_PIXEL_EXP (1<<28)
+#define FOGFUNC_PIXEL_EXP2 (2<<28)
+#define FOGFUNC_PIXEL_LINEAR (3<<28)
+#define FOGSRC_INDEX_Z (1<<27)
+#define FOGSRC_INDEX_W ((1<<27)|(1<<25))
+#define FOG_LINEAR_CONST (1<<24)
+#define FOG_CONST_1(x) ((x)<<4)
+#define ENABLE_FOG_DENSITY (1<<23)
+/* Dword 2 */
+#define FOG_CONST_2(x) (x)
+/* Dword 3 */
+#define FOG_DENSITY(x) (x)
+
+/* _3DSTATE_INDEPENDENT_ALPHA_BLEND, p142 */
+#define _3DSTATE_INDPT_ALPHA_BLEND_CMD (CMD_3D|(0x0b<<24))
+#define ENABLE_INDPT_ALPHA_BLEND ((1<<23)|(1<<22))
+#define DISABLE_INDPT_ALPHA_BLEND (1<<23)
+#define ALPHA_BLENDFUNC_MASK 0x3f0000
+#define ENABLE_ALPHA_BLENDFUNC (1<<21)
+#define ABLENDFUNC_ADD 0
+#define ABLENDFUNC_SUB (1<<16)
+#define ABLENDFUNC_RVSE_SUB (2<<16)
+#define ABLENDFUNC_MIN (3<<16)
+#define ABLENDFUNC_MAX (4<<16)
+#define SRC_DST_ABLEND_MASK 0xfff
+#define ENABLE_SRC_ABLEND_FACTOR (1<<11)
+#define SRC_ABLEND_FACT(x) ((x)<<6)
+#define ENABLE_DST_ABLEND_FACTOR (1<<5)
+#define DST_ABLEND_FACT(x) (x)
+
+#define BLENDFACT_ZERO 0x01
+#define BLENDFACT_ONE 0x02
+#define BLENDFACT_SRC_COLR 0x03
+#define BLENDFACT_INV_SRC_COLR 0x04
+#define BLENDFACT_SRC_ALPHA 0x05
+#define BLENDFACT_INV_SRC_ALPHA 0x06
+#define BLENDFACT_DST_ALPHA 0x07
+#define BLENDFACT_INV_DST_ALPHA 0x08
+#define BLENDFACT_DST_COLR 0x09
+#define BLENDFACT_INV_DST_COLR 0x0a
+#define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
+#define BLENDFACT_CONST_COLOR 0x0c
+#define BLENDFACT_INV_CONST_COLOR 0x0d
+#define BLENDFACT_CONST_ALPHA 0x0e
+#define BLENDFACT_INV_CONST_ALPHA 0x0f
+
+/* _3DSTATE_MAP_BLEND_ARG, p152 */
+#define _3DSTATE_MAP_BLEND_ARG_CMD(stage) (CMD_3D|(0x0e<<24)|((stage)<<20))
+
+#define TEXPIPE_COLOR 0
+#define TEXPIPE_ALPHA (1<<18)
+#define TEXPIPE_KILL (2<<18)
+#define TEXBLEND_ARG0 0
+#define TEXBLEND_ARG1 (1<<15)
+#define TEXBLEND_ARG2 (2<<15)
+#define TEXBLEND_ARG3 (3<<15)
+#define TEXBLENDARG_MODIFY_PARMS (1<<6)
+#define TEXBLENDARG_REPLICATE_ALPHA (1<<5)
+#define TEXBLENDARG_INV_ARG (1<<4)
+#define TEXBLENDARG_ONE 0
+#define TEXBLENDARG_FACTOR 0x01
+#define TEXBLENDARG_ACCUM 0x02
+#define TEXBLENDARG_DIFFUSE 0x03
+#define TEXBLENDARG_SPEC 0x04
+#define TEXBLENDARG_CURRENT 0x05
+#define TEXBLENDARG_TEXEL0 0x06
+#define TEXBLENDARG_TEXEL1 0x07
+#define TEXBLENDARG_TEXEL2 0x08
+#define TEXBLENDARG_TEXEL3 0x09
+#define TEXBLENDARG_FACTOR_N 0x0e
+
+/* _3DSTATE_MAP_BLEND_OP, p155 */
+#define _3DSTATE_MAP_BLEND_OP_CMD(stage) (CMD_3D|(0x0d<<24)|((stage)<<20))
+#if 0
+# define TEXPIPE_COLOR 0
+# define TEXPIPE_ALPHA (1<<18)
+# define TEXPIPE_KILL (2<<18)
+#endif
+#define ENABLE_TEXOUTPUT_WRT_SEL (1<<17)
+#define TEXOP_OUTPUT_CURRENT 0
+#define TEXOP_OUTPUT_ACCUM (1<<15)
+#define ENABLE_TEX_CNTRL_STAGE ((1<<12)|(1<<11))
+#define DISABLE_TEX_CNTRL_STAGE (1<<12)
+#define TEXOP_SCALE_SHIFT 9
+#define TEXOP_SCALE_1X (0 << TEXOP_SCALE_SHIFT)
+#define TEXOP_SCALE_2X (1 << TEXOP_SCALE_SHIFT)
+#define TEXOP_SCALE_4X (2 << TEXOP_SCALE_SHIFT)
+#define TEXOP_MODIFY_PARMS (1<<8)
+#define TEXOP_LAST_STAGE (1<<7)
+#define TEXBLENDOP_KILLPIXEL 0x02
+#define TEXBLENDOP_ARG1 0x01
+#define TEXBLENDOP_ARG2 0x02
+#define TEXBLENDOP_MODULATE 0x03
+#define TEXBLENDOP_ADD 0x06
+#define TEXBLENDOP_ADDSIGNED 0x07
+#define TEXBLENDOP_BLEND 0x08
+#define TEXBLENDOP_BLEND_AND_ADD 0x09
+#define TEXBLENDOP_SUBTRACT 0x0a
+#define TEXBLENDOP_DOT3 0x0b
+#define TEXBLENDOP_DOT4 0x0c
+#define TEXBLENDOP_MODULATE_AND_ADD 0x0d
+#define TEXBLENDOP_MODULATE_2X_AND_ADD 0x0e
+#define TEXBLENDOP_MODULATE_4X_AND_ADD 0x0f
+
+/* _3DSTATE_MAP_BUMP_TABLE, p160 TODO */
+/* _3DSTATE_MAP_COLOR_CHROMA_KEY, p161 TODO */
+
+#define _3DSTATE_MAP_COORD_TRANSFORM ((3<<29)|(0x1d<<24)|(0x8c<<16))
+#define DISABLE_TEX_TRANSFORM (1<<28)
+#define TEXTURE_SET(x) (x<<29)
+
+#define _3DSTATE_VERTEX_TRANSFORM ((3<<29)|(0x1d<<24)|(0x8b<<16))
+#define DISABLE_VIEWPORT_TRANSFORM (1<<31)
+#define DISABLE_PERSPECTIVE_DIVIDE (1<<29)
+
+
+/* _3DSTATE_MAP_COORD_SET_BINDINGS, p162 */
+#define _3DSTATE_MAP_COORD_SETBIND_CMD (CMD_3D|(0x1d<<24)|(0x02<<16))
+#define TEXBIND_MASK3 ((1<<15)|(1<<14)|(1<<13)|(1<<12))
+#define TEXBIND_MASK2 ((1<<11)|(1<<10)|(1<<9)|(1<<8))
+#define TEXBIND_MASK1 ((1<<7)|(1<<6)|(1<<5)|(1<<4))
+#define TEXBIND_MASK0 ((1<<3)|(1<<2)|(1<<1)|1)
+
+#define TEXBIND_SET3(x) ((x)<<12)
+#define TEXBIND_SET2(x) ((x)<<8)
+#define TEXBIND_SET1(x) ((x)<<4)
+#define TEXBIND_SET0(x) (x)
+
+#define TEXCOORDSRC_KEEP 0
+#define TEXCOORDSRC_DEFAULT 0x01
+#define TEXCOORDSRC_VTXSET_0 0x08
+#define TEXCOORDSRC_VTXSET_1 0x09
+#define TEXCOORDSRC_VTXSET_2 0x0a
+#define TEXCOORDSRC_VTXSET_3 0x0b
+#define TEXCOORDSRC_VTXSET_4 0x0c
+#define TEXCOORDSRC_VTXSET_5 0x0d
+#define TEXCOORDSRC_VTXSET_6 0x0e
+#define TEXCOORDSRC_VTXSET_7 0x0f
+
+#define MAP_UNIT(unit) ((unit)<<16)
+#define MAP_UNIT_MASK (0x7<<16)
+
+/* _3DSTATE_MAP_COORD_SETS, p164 */
+#define _3DSTATE_MAP_COORD_SET_CMD (CMD_3D|(0x1c<<24)|(0x01<<19))
+#define ENABLE_TEXCOORD_PARAMS (1<<15)
+#define TEXCOORDS_ARE_NORMAL (1<<14)
+#define TEXCOORDS_ARE_IN_TEXELUNITS 0
+#define TEXCOORDTYPE_CARTESIAN 0
+#define TEXCOORDTYPE_HOMOGENEOUS (1<<11)
+#define TEXCOORDTYPE_VECTOR (2<<11)
+#define TEXCOORDTYPE_MASK (0x7<<11)
+#define ENABLE_ADDR_V_CNTL (1<<7)
+#define ENABLE_ADDR_U_CNTL (1<<3)
+#define TEXCOORD_ADDR_V_MODE(x) ((x)<<4)
+#define TEXCOORD_ADDR_U_MODE(x) (x)
+#define TEXCOORDMODE_WRAP 0
+#define TEXCOORDMODE_MIRROR 1
+#define TEXCOORDMODE_CLAMP 2
+#define TEXCOORDMODE_WRAP_SHORTEST 3
+#define TEXCOORDMODE_CLAMP_BORDER 4
+#define TEXCOORD_ADDR_V_MASK 0x70
+#define TEXCOORD_ADDR_U_MASK 0x7
+
+/* _3DSTATE_MAP_CUBE, p168 TODO */
+#define _3DSTATE_MAP_CUBE (CMD_3D|(0x1c<<24)|(0x0a<<19))
+#define CUBE_NEGX_ENABLE (1<<5)
+#define CUBE_POSX_ENABLE (1<<4)
+#define CUBE_NEGY_ENABLE (1<<3)
+#define CUBE_POSY_ENABLE (1<<2)
+#define CUBE_NEGZ_ENABLE (1<<1)
+#define CUBE_POSZ_ENABLE (1<<0)
+
+
+/* _3DSTATE_MODES_1, p190 */
+#define _3DSTATE_MODES_1_CMD (CMD_3D|(0x08<<24))
+#define BLENDFUNC_MASK 0x3f0000
+#define ENABLE_COLR_BLND_FUNC (1<<21)
+#define BLENDFUNC_ADD 0
+#define BLENDFUNC_SUB (1<<16)
+#define BLENDFUNC_RVRSE_SUB (2<<16)
+#define BLENDFUNC_MIN (3<<16)
+#define BLENDFUNC_MAX (4<<16)
+#define SRC_DST_BLND_MASK 0xfff
+#define ENABLE_SRC_BLND_FACTOR (1<<11)
+#define ENABLE_DST_BLND_FACTOR (1<<5)
+#define SRC_BLND_FACT(x) ((x)<<6)
+#define DST_BLND_FACT(x) (x)
+
+/* Use the blendfact defines for BLND_FACTOR macros */
+#if 0
+#define BLENDFACT_ZERO 0x01
+#define BLENDFACT_ONE 0x02
+#define BLENDFACT_SRC_COLR 0x03
+#define BLENDFACT_INV_SRC_COLR 0x04
+#define BLENDFACT_SRC_ALPHA 0x05
+#define BLENDFACT_INV_SRC_ALPHA 0x06
+#define BLENDFACT_DST_ALPHA 0x07
+#define BLENDFACT_INV_DST_ALPHA 0x08
+#define BLENDFACT_CONST_ALPHA 0x0e
+#define BLENDFACT_INV_CONST_ALPHA 0x0f
+#endif
+
+/* _3DSTATE_MODES_2, p192 */
+#define _3DSTATE_MODES_2_CMD (CMD_3D|(0x0f<<24))
+#define ENABLE_GLOBAL_DEPTH_BIAS (1<<22)
+#define GLOBAL_DEPTH_BIAS(x) ((x)<<14)
+#define ENABLE_ALPHA_TEST_FUNC (1<<13)
+#define ENABLE_ALPHA_REF_VALUE (1<<8)
+#define ALPHA_TEST_FUNC(x) ((x)<<9)
+#define ALPHA_REF_VALUE(x) (x)
+
+#define ALPHA_TEST_REF_MASK 0x3fff
+#define COMPAREFUNC_ALWAYS 0
+#define COMPAREFUNC_NEVER 0x1
+#define COMPAREFUNC_LESS 0x2
+#define COMPAREFUNC_EQUAL 0x3
+#define COMPAREFUNC_LEQUAL 0x4
+#define COMPAREFUNC_GREATER 0x5
+#define COMPAREFUNC_NOTEQUAL 0x6
+#define COMPAREFUNC_GEQUAL 0x7
+
+/* _3DSTATE_MODES_3, p193 */
+#define _3DSTATE_MODES_3_CMD (CMD_3D|(0x02<<24))
+#define DEPTH_TEST_FUNC_MASK 0x1f0000
+#define ENABLE_DEPTH_TEST_FUNC (1<<20)
+/* Uses COMPAREFUNC */
+#define DEPTH_TEST_FUNC(x) ((x)<<16)
+#define ENABLE_ALPHA_SHADE_MODE (1<<11)
+#define ENABLE_FOG_SHADE_MODE (1<<9)
+#define ENABLE_SPEC_SHADE_MODE (1<<7)
+#define ENABLE_COLOR_SHADE_MODE (1<<5)
+#define ALPHA_SHADE_MODE(x) ((x)<<10)
+#define FOG_SHADE_MODE(x) ((x)<<8)
+#define SPEC_SHADE_MODE(x) ((x)<<6)
+#define COLOR_SHADE_MODE(x) ((x)<<4)
+#define CULLMODE_MASK 0xf
+#define ENABLE_CULL_MODE (1<<3)
+#define CULLMODE_BOTH 0
+#define CULLMODE_NONE 1
+#define CULLMODE_CW 2
+#define CULLMODE_CCW 3
+
+#define SHADE_MODE_LINEAR 0
+#define SHADE_MODE_FLAT 0x1
+
+/* _3DSTATE_MODES_4, p195 */
+#define _3DSTATE_MODES_4_CMD (CMD_3D|(0x16<<24))
+#define ENABLE_LOGIC_OP_FUNC (1<<23)
+#define LOGIC_OP_FUNC(x) ((x)<<18)
+#define LOGICOP_MASK ((1<<18)|(1<<19)|(1<<20)|(1<<21))
+#define LOGICOP_CLEAR 0
+#define LOGICOP_NOR 0x1
+#define LOGICOP_AND_INV 0x2
+#define LOGICOP_COPY_INV 0x3
+#define LOGICOP_AND_RVRSE 0x4
+#define LOGICOP_INV 0x5
+#define LOGICOP_XOR 0x6
+#define LOGICOP_NAND 0x7
+#define LOGICOP_AND 0x8
+#define LOGICOP_EQUIV 0x9
+#define LOGICOP_NOOP 0xa
+#define LOGICOP_OR_INV 0xb
+#define LOGICOP_COPY 0xc
+#define LOGICOP_OR_RVRSE 0xd
+#define LOGICOP_OR 0xe
+#define LOGICOP_SET 0xf
+#define MODE4_ENABLE_STENCIL_TEST_MASK ((1<<17)|(0xff00))
+#define ENABLE_STENCIL_TEST_MASK (1<<17)
+#define STENCIL_TEST_MASK(x) ((x)<<8)
+#define MODE4_ENABLE_STENCIL_WRITE_MASK ((1<<16)|(0x00ff))
+#define ENABLE_STENCIL_WRITE_MASK (1<<16)
+#define STENCIL_WRITE_MASK(x) (x)
+
+/* _3DSTATE_MODES_5, p196 */
+#define _3DSTATE_MODES_5_CMD (CMD_3D|(0x0c<<24))
+#define ENABLE_SPRITE_POINT_TEX (1<<23)
+#define SPRITE_POINT_TEX_ON (1<<22)
+#define SPRITE_POINT_TEX_OFF 0
+#define FLUSH_RENDER_CACHE (1<<18)
+#define FLUSH_TEXTURE_CACHE (1<<16)
+#define FIXED_LINE_WIDTH_MASK 0xfc00
+#define ENABLE_FIXED_LINE_WIDTH (1<<15)
+#define FIXED_LINE_WIDTH(x) ((x)<<10)
+#define FIXED_POINT_WIDTH_MASK 0x3ff
+#define ENABLE_FIXED_POINT_WIDTH (1<<9)
+#define FIXED_POINT_WIDTH(x) (x)
+
+/* _3DSTATE_RASTERIZATION_RULES, p198 */
+#define _3DSTATE_RASTER_RULES_CMD (CMD_3D|(0x07<<24))
+#define ENABLE_POINT_RASTER_RULE (1<<15)
+#define OGL_POINT_RASTER_RULE (1<<13)
+#define ENABLE_LINE_STRIP_PROVOKE_VRTX (1<<8)
+#define ENABLE_TRI_FAN_PROVOKE_VRTX (1<<5)
+#define ENABLE_TRI_STRIP_PROVOKE_VRTX (1<<2)
+#define LINE_STRIP_PROVOKE_VRTX(x) ((x)<<6)
+#define TRI_FAN_PROVOKE_VRTX(x) ((x)<<3)
+#define TRI_STRIP_PROVOKE_VRTX(x) (x)
+
+/* _3DSTATE_SCISSOR_ENABLE, p200 */
+#define _3DSTATE_SCISSOR_ENABLE_CMD (CMD_3D|(0x1c<<24)|(0x10<<19))
+#define ENABLE_SCISSOR_RECT ((1<<1) | 1)
+#define DISABLE_SCISSOR_RECT (1<<1)
+
+/* _3DSTATE_SCISSOR_RECTANGLE_0, p201 */
+#define _3DSTATE_SCISSOR_RECT_0_CMD (CMD_3D|(0x1d<<24)|(0x81<<16)|1)
+/* Dword 1 */
+#define SCISSOR_RECT_0_YMIN(x) ((x)<<16)
+#define SCISSOR_RECT_0_XMIN(x) (x)
+/* Dword 2 */
+#define SCISSOR_RECT_0_YMAX(x) ((x)<<16)
+#define SCISSOR_RECT_0_XMAX(x) (x)
+
+/* _3DSTATE_STENCIL_TEST, p202 */
+#define _3DSTATE_STENCIL_TEST_CMD (CMD_3D|(0x09<<24))
+#define ENABLE_STENCIL_PARMS (1<<23)
+#define STENCIL_OPS_MASK (0xffc000)
+#define STENCIL_FAIL_OP(x) ((x)<<20)
+#define STENCIL_PASS_DEPTH_FAIL_OP(x) ((x)<<17)
+#define STENCIL_PASS_DEPTH_PASS_OP(x) ((x)<<14)
+
+#define STENCILOP_KEEP 0
+#define STENCILOP_ZERO 0x1
+#define STENCILOP_REPLACE 0x2
+#define STENCILOP_INCRSAT 0x3
+#define STENCILOP_DECRSAT 0x4
+#define STENCILOP_INCR 0x5
+#define STENCILOP_DECR 0x6
+#define STENCILOP_INVERT 0x7
+
+#define ENABLE_STENCIL_TEST_FUNC_MASK ((1<<13)|(1<<12)|(1<<11)|(1<<10)|(1<<9))
+#define ENABLE_STENCIL_TEST_FUNC (1<<13)
+/* Uses COMPAREFUNC */
+#define STENCIL_TEST_FUNC(x) ((x)<<9)
+#define STENCIL_REF_VALUE_MASK ((1<<8)|0xff)
+#define ENABLE_STENCIL_REF_VALUE (1<<8)
+#define STENCIL_REF_VALUE(x) (x)
+
+/* _3DSTATE_VERTEX_FORMAT, p204 */
+#define _3DSTATE_VFT0_CMD (CMD_3D|(0x05<<24))
+#define VFT0_POINT_WIDTH (1<<12)
+#define VFT0_TEX_COUNT_MASK (7<<8)
+#define VFT0_TEX_COUNT_SHIFT 8
+#define VFT0_TEX_COUNT(x) ((x)<<8)
+#define VFT0_SPEC (1<<7)
+#define VFT0_DIFFUSE (1<<6)
+#define VFT0_DEPTH_OFFSET (1<<5)
+#define VFT0_XYZ (1<<1)
+#define VFT0_XYZW (2<<1)
+#define VFT0_XY (3<<1)
+#define VFT0_XYW (4<<1)
+#define VFT0_XYZW_MASK (7<<1)
+
+/* _3DSTATE_VERTEX_FORMAT_2, p206 */
+#define _3DSTATE_VFT1_CMD (CMD_3D|(0x0a<<24))
+#define VFT1_TEX7_FMT(x) ((x)<<14)
+#define VFT1_TEX6_FMT(x) ((x)<<12)
+#define VFT1_TEX5_FMT(x) ((x)<<10)
+#define VFT1_TEX4_FMT(x) ((x)<<8)
+#define VFT1_TEX3_FMT(x) ((x)<<6)
+#define VFT1_TEX2_FMT(x) ((x)<<4)
+#define VFT1_TEX1_FMT(x) ((x)<<2)
+#define VFT1_TEX0_FMT(x) (x)
+#define VFT1_TEX0_MASK 3
+#define VFT1_TEX1_SHIFT 2
+#define TEXCOORDFMT_2D 0
+#define TEXCOORDFMT_3D 1
+#define TEXCOORDFMT_4D 2
+#define TEXCOORDFMT_1D 3
+
+/*New stuff picked up along the way */
+
+#define MLC_LOD_BIAS_MASK ((1<<7)-1)
+
+
+/* _3DSTATE_VERTEX_TRANSFORM, p207 */
+#define _3DSTATE_VERTEX_TRANS_CMD (CMD_3D|(0x1d<<24)|(0x8b<<16)|0)
+#define _3DSTATE_VERTEX_TRANS_MTX_CMD (CMD_3D|(0x1d<<24)|(0x8b<<16)|6)
+/* Dword 1 */
+#define ENABLE_VIEWPORT_TRANSFORM ((1<<31)|(1<<30))
+#define DISABLE_VIEWPORT_TRANSFORM (1<<31)
+#define ENABLE_PERSP_DIVIDE ((1<<29)|(1<<28))
+#define DISABLE_PERSP_DIVIDE (1<<29)
+#define VRTX_TRANS_LOAD_MATRICES 0x7421
+#define VRTX_TRANS_NO_LOAD_MATRICES 0x0000
+/* Dword 2 -> 7 are matrix elements */
+
+/* _3DSTATE_W_STATE, p209 */
+#define _3DSTATE_W_STATE_CMD (CMD_3D|(0x1d<<24)|(0x8d<<16)|1)
+/* Dword 1 */
+#define MAGIC_W_STATE_DWORD1 0x00000008
+/* Dword 2 */
+#define WFAR_VALUE(x) (x)
+
+
+/* Stipple command, carried over from the i810, apparently:
+ */
+#define _3DSTATE_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define ST1_ENABLE (1<<16)
+#define ST1_MASK (0xffff)
+
+
+
+#define _3DSTATE_LOAD_STATE_IMMEDIATE_2 ((0x3<<29)|(0x1d<<24)|(0x03<<16))
+#define LOAD_TEXTURE_MAP0 (1<<11)
+#define LOAD_GLOBAL_COLOR_FACTOR (1<<6)
+
+#define TM0S0_ADDRESS_MASK 0xfffffffc
+#define TM0S0_USE_FENCE (1<<1)
+
+#define TM0S1_HEIGHT_SHIFT 21
+#define TM0S1_WIDTH_SHIFT 10
+#define TM0S1_PALETTE_SELECT (1<<9)
+#define TM0S1_MAPSURF_FORMAT_MASK (0x7 << 6)
+#define TM0S1_MAPSURF_FORMAT_SHIFT 6
+#define MAPSURF_8BIT_INDEXED (0<<6)
+#define MAPSURF_8BIT (1<<6)
+#define MAPSURF_16BIT (2<<6)
+#define MAPSURF_32BIT (3<<6)
+#define MAPSURF_411 (4<<6)
+#define MAPSURF_422 (5<<6)
+#define MAPSURF_COMPRESSED (6<<6)
+#define MAPSURF_4BIT_INDEXED (7<<6)
+#define TM0S1_MT_FORMAT_MASK (0x7 << 3)
+#define TM0S1_MT_FORMAT_SHIFT 3
+#define MT_4BIT_IDX_ARGB8888 (7<<3) /* SURFACE_4BIT_INDEXED */
+#define MT_8BIT_IDX_RGB565 (0<<3) /* SURFACE_8BIT_INDEXED */
+#define MT_8BIT_IDX_ARGB1555 (1<<3)
+#define MT_8BIT_IDX_ARGB4444 (2<<3)
+#define MT_8BIT_IDX_AY88 (3<<3)
+#define MT_8BIT_IDX_ABGR8888 (4<<3)
+#define MT_8BIT_IDX_BUMP_88DVDU (5<<3)
+#define MT_8BIT_IDX_BUMP_655LDVDU (6<<3)
+#define MT_8BIT_IDX_ARGB8888 (7<<3)
+#define MT_8BIT_I8 (0<<3) /* SURFACE_8BIT */
+#define MT_8BIT_L8 (1<<3)
+#define MT_16BIT_RGB565 (0<<3) /* SURFACE_16BIT */
+#define MT_16BIT_ARGB1555 (1<<3)
+#define MT_16BIT_ARGB4444 (2<<3)
+#define MT_16BIT_AY88 (3<<3)
+#define MT_16BIT_DIB_ARGB1555_8888 (4<<3)
+#define MT_16BIT_BUMP_88DVDU (5<<3)
+#define MT_16BIT_BUMP_655LDVDU (6<<3)
+#define MT_16BIT_DIB_RGB565_8888 (7<<3)
+#define MT_32BIT_ARGB8888 (0<<3) /* SURFACE_32BIT */
+#define MT_32BIT_ABGR8888 (1<<3)
+#define MT_32BIT_BUMP_XLDVDU_8888 (6<<3)
+#define MT_32BIT_DIB_8888 (7<<3)
+#define MT_411_YUV411 (0<<3) /* SURFACE_411 */
+#define MT_422_YCRCB_SWAPY (0<<3) /* SURFACE_422 */
+#define MT_422_YCRCB_NORMAL (1<<3)
+#define MT_422_YCRCB_SWAPUV (2<<3)
+#define MT_422_YCRCB_SWAPUVY (3<<3)
+#define MT_COMPRESS_DXT1 (0<<3) /* SURFACE_COMPRESSED */
+#define MT_COMPRESS_DXT2_3 (1<<3)
+#define MT_COMPRESS_DXT4_5 (2<<3)
+#define MT_COMPRESS_FXT1 (3<<3)
+#define TM0S1_COLORSPACE_CONVERSION (1 << 2)
+#define TM0S1_TILED_SURFACE (1 << 1)
+#define TM0S1_TILE_WALK (1 << 0)
+
+#define TM0S2_PITCH_SHIFT 21
+#define TM0S2_CUBE_FACE_ENA_SHIFT 15
+#define TM0S2_MAP_FORMAT (1<<14)
+#define TM0S2_VERTICAL_LINE_STRIDE (1<<13)
+#define TM0S2_VERITCAL_LINE_STRIDE_OFF (1<<12)
+#define TM0S2_OUTPUT_CHAN_SHIFT 10
+#define TM0S2_OUTPUT_CHAN_MASK (3<<10)
+
+#define TM0S3_MIP_FILTER_MASK (0x3<<30)
+#define TM0S3_MIP_FILTER_SHIFT 30
+#define MIPFILTER_NONE 0
+#define MIPFILTER_NEAREST 1
+#define MIPFILTER_LINEAR 3
+#define TM0S3_MAG_FILTER_MASK (0x3<<28)
+#define TM0S3_MAG_FILTER_SHIFT 28
+#define TM0S3_MIN_FILTER_MASK (0x3<<26)
+#define TM0S3_MIN_FILTER_SHIFT 26
+#define FILTER_NEAREST 0
+#define FILTER_LINEAR 1
+#define FILTER_ANISOTROPIC 2
+
+#define TM0S3_LOD_BIAS_SHIFT 17
+#define TM0S3_LOD_BIAS_MASK (0x1ff<<17)
+#define TM0S3_MAX_MIP_SHIFT 9
+#define TM0S3_MAX_MIP_MASK (0xff<<9)
+#define TM0S3_MIN_MIP_SHIFT 3
+#define TM0S3_MIN_MIP_MASK (0x3f<<3)
+#define TM0S3_KILL_PIXEL (1<<2)
+#define TM0S3_KEYED_FILTER (1<<1)
+#define TM0S3_CHROMA_KEY (1<<0)
+
+
+/* _3DSTATE_MAP_TEXEL_STREAM, p188 */
+#define _3DSTATE_MAP_TEX_STREAM_CMD (CMD_3D|(0x1c<<24)|(0x05<<19))
+#define DISABLE_TEX_STREAM_BUMP (1<<12)
+#define ENABLE_TEX_STREAM_BUMP ((1<<12)|(1<<11))
+#define TEX_MODIFY_UNIT_0 0
+#define TEX_MODIFY_UNIT_1 (1<<8)
+#define ENABLE_TEX_STREAM_COORD_SET (1<<7)
+#define TEX_STREAM_COORD_SET(x) ((x)<<4)
+#define ENABLE_TEX_STREAM_MAP_IDX (1<<3)
+#define TEX_STREAM_MAP_IDX(x) (x)
+
+
+#define MI_FLUSH ((0<<29)|(4<<23))
+#define FLUSH_MAP_CACHE (1<<0)
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "enums.h"
+#include "dd.h"
+
+#include "texmem.h"
+
+#include "intel_screen.h"
+#include "intel_batchbuffer.h"
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+static void i830StencilFunc(GLcontext *ctx, GLenum func, GLint ref,
+ GLuint mask)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int test = 0;
+
+ mask = mask & 0xff;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s : func: %s, ref : 0x%x, mask: 0x%x\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(func), ref, mask);
+
+ switch(func) {
+ case GL_NEVER:
+ test = COMPAREFUNC_NEVER;
+ break;
+ case GL_LESS:
+ test = COMPAREFUNC_LESS;
+ break;
+ case GL_LEQUAL:
+ test = COMPAREFUNC_LEQUAL;
+ break;
+ case GL_GREATER:
+ test = COMPAREFUNC_GREATER;
+ break;
+ case GL_GEQUAL:
+ test = COMPAREFUNC_GEQUAL;
+ break;
+ case GL_NOTEQUAL:
+ test = COMPAREFUNC_NOTEQUAL;
+ break;
+ case GL_EQUAL:
+ test = COMPAREFUNC_EQUAL;
+ break;
+ case GL_ALWAYS:
+ test = COMPAREFUNC_ALWAYS;
+ break;
+ default:
+ return;
+ }
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(mask));
+ i830->state.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_REF_VALUE_MASK |
+ ENABLE_STENCIL_TEST_FUNC_MASK);
+ i830->state.Ctx[I830_CTXREG_STENCILTST] |= (ENABLE_STENCIL_REF_VALUE |
+ ENABLE_STENCIL_TEST_FUNC |
+ STENCIL_REF_VALUE(ref) |
+ STENCIL_TEST_FUNC(test));
+}
+
+static void i830StencilMask(GLcontext *ctx, GLuint mask)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s : mask 0x%x\n", __FUNCTION__, mask);
+
+ mask = mask & 0xff;
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(mask));
+}
+
+static void i830StencilOp(GLcontext *ctx, GLenum fail, GLenum zfail,
+ GLenum zpass)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int fop, dfop, dpop;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s: fail : %s, zfail: %s, zpass : %s\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(fail),
+ _mesa_lookup_enum_by_nr(zfail),
+ _mesa_lookup_enum_by_nr(zpass));
+
+ fop = 0; dfop = 0; dpop = 0;
+
+ switch(fail) {
+ case GL_KEEP:
+ fop = STENCILOP_KEEP;
+ break;
+ case GL_ZERO:
+ fop = STENCILOP_ZERO;
+ break;
+ case GL_REPLACE:
+ fop = STENCILOP_REPLACE;
+ break;
+ case GL_INCR:
+ fop = STENCILOP_INCRSAT;
+ break;
+ case GL_DECR:
+ fop = STENCILOP_DECRSAT;
+ break;
+ case GL_INCR_WRAP:
+ fop = STENCILOP_INCR;
+ break;
+ case GL_DECR_WRAP:
+ fop = STENCILOP_DECR;
+ break;
+ case GL_INVERT:
+ fop = STENCILOP_INVERT;
+ break;
+ default:
+ break;
+ }
+ switch(zfail) {
+ case GL_KEEP:
+ dfop = STENCILOP_KEEP;
+ break;
+ case GL_ZERO:
+ dfop = STENCILOP_ZERO;
+ break;
+ case GL_REPLACE:
+ dfop = STENCILOP_REPLACE;
+ break;
+ case GL_INCR:
+ dfop = STENCILOP_INCRSAT;
+ break;
+ case GL_DECR:
+ dfop = STENCILOP_DECRSAT;
+ break;
+ case GL_INCR_WRAP:
+ dfop = STENCILOP_INCR;
+ break;
+ case GL_DECR_WRAP:
+ dfop = STENCILOP_DECR;
+ break;
+ case GL_INVERT:
+ dfop = STENCILOP_INVERT;
+ break;
+ default:
+ break;
+ }
+ switch(zpass) {
+ case GL_KEEP:
+ dpop = STENCILOP_KEEP;
+ break;
+ case GL_ZERO:
+ dpop = STENCILOP_ZERO;
+ break;
+ case GL_REPLACE:
+ dpop = STENCILOP_REPLACE;
+ break;
+ case GL_INCR:
+ dpop = STENCILOP_INCRSAT;
+ break;
+ case GL_DECR:
+ dpop = STENCILOP_DECRSAT;
+ break;
+ case GL_INCR_WRAP:
+ dpop = STENCILOP_INCR;
+ break;
+ case GL_DECR_WRAP:
+ dpop = STENCILOP_DECR;
+ break;
+ case GL_INVERT:
+ dpop = STENCILOP_INVERT;
+ break;
+ default:
+ break;
+ }
+
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STENCILTST] &= ~(STENCIL_OPS_MASK);
+ i830->state.Ctx[I830_CTXREG_STENCILTST] |= (ENABLE_STENCIL_PARMS |
+ STENCIL_FAIL_OP(fop) |
+ STENCIL_PASS_DEPTH_FAIL_OP(dfop) |
+ STENCIL_PASS_DEPTH_PASS_OP(dpop));
+}
+
+static void i830AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int test = 0;
+ GLubyte refByte;
+ GLuint refInt;
+
+ UNCLAMPED_FLOAT_TO_UBYTE(refByte, ref);
+ refInt = (GLuint)refByte;
+
+ switch(func) {
+ case GL_NEVER:
+ test = COMPAREFUNC_NEVER;
+ break;
+ case GL_LESS:
+ test = COMPAREFUNC_LESS;
+ break;
+ case GL_LEQUAL:
+ test = COMPAREFUNC_LEQUAL;
+ break;
+ case GL_GREATER:
+ test = COMPAREFUNC_GREATER;
+ break;
+ case GL_GEQUAL:
+ test = COMPAREFUNC_GEQUAL;
+ break;
+ case GL_NOTEQUAL:
+ test = COMPAREFUNC_NOTEQUAL;
+ break;
+ case GL_EQUAL:
+ test = COMPAREFUNC_EQUAL;
+ break;
+ case GL_ALWAYS:
+ test = COMPAREFUNC_ALWAYS;
+ break;
+ default:
+ return;
+ }
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE2] &= ~ALPHA_TEST_REF_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE2] |= (ENABLE_ALPHA_TEST_FUNC |
+ ENABLE_ALPHA_REF_VALUE |
+ ALPHA_TEST_FUNC(test) |
+ ALPHA_REF_VALUE(refInt));
+}
+
+/* This function makes sure that the proper enables are
+ * set for LogicOp, Independant Alpha Blend, and Blending.
+ * It needs to be called from numerous places where we
+ * could change the LogicOp or Independant Alpha Blend without subsequent
+ * calls to glEnable.
+ */
+static void i830EvalLogicOpBlendState(GLcontext *ctx)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+
+ if (ctx->Color._LogicOpEnabled) {
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~(ENABLE_COLOR_BLEND |
+ ENABLE_LOGIC_OP_MASK);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= (DISABLE_COLOR_BLEND |
+ ENABLE_LOGIC_OP);
+ } else if (ctx->Color.BlendEnabled) {
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~(ENABLE_COLOR_BLEND |
+ ENABLE_LOGIC_OP_MASK);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= (ENABLE_COLOR_BLEND |
+ DISABLE_LOGIC_OP);
+ } else {
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~(ENABLE_COLOR_BLEND |
+ ENABLE_LOGIC_OP_MASK);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= (DISABLE_COLOR_BLEND |
+ DISABLE_LOGIC_OP);
+ }
+}
+
+static void i830BlendColor(GLcontext *ctx, const GLfloat color[4])
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ GLubyte r, g, b, a;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ UNCLAMPED_FLOAT_TO_UBYTE(r, color[RCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, color[GCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, color[BCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(a, color[ACOMP]);
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_BLENDCOLOR1] = (a<<24) | (r<<16) | (g<<8) | b;
+}
+
+static void i830BlendEquationSeparate(GLcontext *ctx, GLenum modeRGB,
+ GLenum modeA)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int func = ENABLE_ALPHA_BLENDFUNC;
+
+ assert( modeRGB == modeA );
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s %s\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(modeRGB));
+
+ /* This will catch a logicop blend equation */
+ i830EvalLogicOpBlendState(ctx);
+
+ switch(modeRGB) {
+ case GL_FUNC_ADD:
+ func |= BLENDFUNC_ADD;
+ break;
+ case GL_MIN:
+ func |= BLENDFUNC_MIN;
+ break;
+ case GL_MAX:
+ func |= BLENDFUNC_MAX;
+ break;
+ case GL_FUNC_SUBTRACT:
+ func |= BLENDFUNC_SUB;
+ break;
+ case GL_FUNC_REVERSE_SUBTRACT:
+ func |= BLENDFUNC_RVRSE_SUB;
+ break;
+ case GL_LOGIC_OP:
+ default: return;
+ }
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE1] &= ~BLENDFUNC_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE1] |= func;
+}
+
+
+
+static int translate_blend_factor( GLenum factor )
+{
+ switch(factor) {
+ case GL_ZERO:
+ return BLENDFACT_ZERO;
+ case GL_SRC_ALPHA:
+ return BLENDFACT_SRC_ALPHA;
+ case GL_ONE:
+ return BLENDFACT_ONE;
+ case GL_SRC_COLOR:
+ return BLENDFACT_SRC_COLR;
+ case GL_ONE_MINUS_SRC_COLOR:
+ return BLENDFACT_INV_SRC_COLR;
+ case GL_DST_COLOR:
+ return BLENDFACT_DST_COLR;
+ case GL_ONE_MINUS_DST_COLOR:
+ return BLENDFACT_INV_DST_COLR;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ return BLENDFACT_INV_SRC_ALPHA;
+ case GL_DST_ALPHA:
+ return BLENDFACT_DST_ALPHA;
+ case GL_ONE_MINUS_DST_ALPHA:
+ return BLENDFACT_INV_DST_ALPHA;
+ case GL_SRC_ALPHA_SATURATE:
+ return BLENDFACT_SRC_ALPHA_SATURATE;
+ case GL_CONSTANT_COLOR:
+ return BLENDFACT_CONST_COLOR;
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ return BLENDFACT_INV_CONST_COLOR;
+ case GL_CONSTANT_ALPHA:
+ return BLENDFACT_CONST_ALPHA;
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ return BLENDFACT_INV_CONST_ALPHA;
+ default:
+ return BLENDFACT_ZERO;
+ }
+}
+
+static void i830BlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB,
+ GLenum dfactorRGB, GLenum sfactorA,
+ GLenum dfactorA )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int iab = i830->state.Ctx[I830_CTXREG_IALPHAB];
+ int s1 = i830->state.Ctx[I830_CTXREG_STATE1];
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+
+ iab &= ~(SRC_DST_ABLEND_MASK|ENABLE_INDPT_ALPHA_BLEND);
+ s1 &= ~SRC_DST_BLND_MASK;
+
+ iab |= (ENABLE_SRC_ABLEND_FACTOR|ENABLE_DST_ABLEND_FACTOR);
+ s1 |= (ENABLE_SRC_BLND_FACTOR|ENABLE_DST_BLND_FACTOR);
+
+ if (ctx->Color.BlendEquationRGB == GL_MIN ||
+ ctx->Color.BlendEquationRGB == GL_MAX) {
+ sfactorA = sfactorRGB = dfactorA = dfactorRGB = GL_ONE;
+ }
+
+ iab |= SRC_ABLEND_FACT(translate_blend_factor(sfactorA));
+ iab |= DST_ABLEND_FACT(translate_blend_factor(dfactorA));
+ s1 |= SRC_BLND_FACT(translate_blend_factor(sfactorRGB));
+ s1 |= DST_BLND_FACT(translate_blend_factor(dfactorRGB));
+
+ if (sfactorA != sfactorRGB || dfactorA != dfactorRGB)
+ iab |= ENABLE_INDPT_ALPHA_BLEND;
+ else
+ iab |= DISABLE_INDPT_ALPHA_BLEND;
+
+ if (iab != i830->state.Ctx[I830_CTXREG_IALPHAB] ||
+ s1 != i830->state.Ctx[I830_CTXREG_STATE1]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_IALPHAB] = iab;
+ i830->state.Ctx[I830_CTXREG_STATE1] = s1;
+ }
+}
+
+
+
+static void i830DepthFunc(GLcontext *ctx, GLenum func)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int test = 0;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ switch(func) {
+ case GL_NEVER:
+ test = COMPAREFUNC_NEVER;
+ break;
+ case GL_LESS:
+ test = COMPAREFUNC_LESS;
+ break;
+ case GL_LEQUAL:
+ test = COMPAREFUNC_LEQUAL;
+ break;
+ case GL_GREATER:
+ test = COMPAREFUNC_GREATER;
+ break;
+ case GL_GEQUAL:
+ test = COMPAREFUNC_GEQUAL;
+ break;
+ case GL_NOTEQUAL:
+ test = COMPAREFUNC_NOTEQUAL;
+ break;
+ case GL_EQUAL:
+ test = COMPAREFUNC_EQUAL;
+ break;
+ case GL_ALWAYS:
+ test = COMPAREFUNC_ALWAYS;
+ break;
+ default: return;
+ }
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE3] &= ~DEPTH_TEST_FUNC_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE3] |= (ENABLE_DEPTH_TEST_FUNC |
+ DEPTH_TEST_FUNC(test));
+}
+
+static void i830DepthMask(GLcontext *ctx, GLboolean flag)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s flag (%d)\n", __FUNCTION__, flag);
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DIS_DEPTH_WRITE_MASK;
+
+ if (flag && ctx->Depth.Test)
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_DEPTH_WRITE;
+ else
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DEPTH_WRITE;
+}
+
+/* =============================================================
+ * Polygon stipple
+ *
+ * The i830 supports a 4x4 stipple natively, GL wants 32x32.
+ * Fortunately stipple is usually a repeating pattern.
+ */
+static void i830PolygonStipple( GLcontext *ctx, const GLubyte *mask )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ const GLubyte *m = mask;
+ GLubyte p[4];
+ int i,j,k;
+ int active = (ctx->Polygon.StippleFlag &&
+ i830->intel.reduced_primitive == GL_TRIANGLES);
+ GLuint newMask;
+
+ if (active) {
+ I830_STATECHANGE(i830, I830_UPLOAD_STIPPLE);
+ i830->state.Stipple[I830_STPREG_ST1] &= ~ST1_ENABLE;
+ }
+
+ p[0] = mask[12] & 0xf; p[0] |= p[0] << 4;
+ p[1] = mask[8] & 0xf; p[1] |= p[1] << 4;
+ p[2] = mask[4] & 0xf; p[2] |= p[2] << 4;
+ p[3] = mask[0] & 0xf; p[3] |= p[3] << 4;
+
+ for (k = 0 ; k < 8 ; k++)
+ for (j = 3 ; j >= 0; j--)
+ for (i = 0 ; i < 4 ; i++, m++)
+ if (*m != p[j]) {
+ i830->intel.hw_stipple = 0;
+ return;
+ }
+
+ newMask = (((p[0] & 0xf) << 0) |
+ ((p[1] & 0xf) << 4) |
+ ((p[2] & 0xf) << 8) |
+ ((p[3] & 0xf) << 12));
+
+
+ if (newMask == 0xffff || newMask == 0x0) {
+ /* this is needed to make conform pass */
+ i830->intel.hw_stipple = 0;
+ return;
+ }
+
+ i830->state.Stipple[I830_STPREG_ST1] &= ~0xffff;
+ i830->state.Stipple[I830_STPREG_ST1] |= newMask;
+ i830->intel.hw_stipple = 1;
+
+ if (active)
+ i830->state.Stipple[I830_STPREG_ST1] |= ST1_ENABLE;
+}
+
+
+/* =============================================================
+ * Hardware clipping
+ */
+static void i830Scissor(GLcontext *ctx, GLint x, GLint y,
+ GLsizei w, GLsizei h)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ intelScreenPrivate *screen = i830->intel.intelScreen;
+ int x1, y1, x2, y2;
+
+ if (!i830->intel.driDrawable)
+ return;
+
+ x1 = x;
+ y1 = i830->intel.driDrawable->h - (y + h);
+ x2 = x + w - 1;
+ y2 = y1 + h - 1;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "[%s] x(%d) y(%d) w(%d) h(%d)\n", __FUNCTION__,
+ x, y, w, h);
+
+ if (x1 < 0) x1 = 0;
+ if (y1 < 0) y1 = 0;
+ if (x2 < 0) x2 = 0;
+ if (y2 < 0) y2 = 0;
+
+ if (x2 >= screen->width) x2 = screen->width-1;
+ if (y2 >= screen->height) y2 = screen->height-1;
+ if (x1 >= screen->width) x1 = screen->width-1;
+ if (y1 >= screen->height) y1 = screen->height-1;
+
+
+ I830_STATECHANGE(i830, I830_UPLOAD_BUFFERS);
+ i830->state.Buffer[I830_DESTREG_SR1] = (y1 << 16) | (x1 & 0xffff);
+ i830->state.Buffer[I830_DESTREG_SR2] = (y2 << 16) | (x2 & 0xffff);
+}
+
+static void i830LogicOp(GLcontext *ctx, GLenum opcode)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ int tmp = 0;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ /* FIXME: This should be a look-up table, like the r200 driver. */
+ switch(opcode) {
+ case GL_CLEAR:
+ tmp = LOGICOP_CLEAR;
+ break;
+ case GL_AND:
+ tmp = LOGICOP_AND;
+ break;
+ case GL_AND_REVERSE:
+ tmp = LOGICOP_AND_RVRSE;
+ break;
+ case GL_COPY:
+ tmp = LOGICOP_COPY;
+ break;
+ case GL_COPY_INVERTED:
+ tmp = LOGICOP_COPY_INV;
+ break;
+ case GL_AND_INVERTED:
+ tmp = LOGICOP_AND_INV;
+ break;
+ case GL_NOOP:
+ tmp = LOGICOP_NOOP;
+ break;
+ case GL_XOR:
+ tmp = LOGICOP_XOR;
+ break;
+ case GL_OR:
+ tmp = LOGICOP_OR;
+ break;
+ case GL_OR_INVERTED:
+ tmp = LOGICOP_OR_INV;
+ break;
+ case GL_NOR:
+ tmp = LOGICOP_NOR;
+ break;
+ case GL_EQUIV:
+ tmp = LOGICOP_EQUIV;
+ break;
+ case GL_INVERT:
+ tmp = LOGICOP_INV;
+ break;
+ case GL_OR_REVERSE:
+ tmp = LOGICOP_OR_RVRSE;
+ break;
+ case GL_NAND:
+ tmp = LOGICOP_NAND;
+ break;
+ case GL_SET:
+ tmp = LOGICOP_SET;
+ break;
+ default:
+ return;
+ }
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE4] &= ~LOGICOP_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE4] |= LOGIC_OP_FUNC(tmp);
+}
+
+
+
+static void i830CullFaceFrontFace(GLcontext *ctx, GLenum unused)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ GLuint mode;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (!ctx->Polygon.CullFlag) {
+ mode = CULLMODE_NONE;
+ }
+ else if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) {
+ mode = CULLMODE_CW;
+
+ if (ctx->Polygon.CullFaceMode == GL_FRONT)
+ mode ^= (CULLMODE_CW ^ CULLMODE_CCW);
+ if (ctx->Polygon.FrontFace != GL_CCW)
+ mode ^= (CULLMODE_CW ^ CULLMODE_CCW);
+ }
+ else {
+ mode = CULLMODE_BOTH;
+ }
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE3] &= ~CULLMODE_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE3] |= ENABLE_CULL_MODE | mode;
+}
+
+static void i830LineWidth( GLcontext *ctx, GLfloat widthf )
+{
+ i830ContextPtr i830 = I830_CONTEXT( ctx );
+ int width;
+ int state5;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ width = (int)(widthf * 2);
+ CLAMP_SELF(width, 1, 15);
+
+ state5 = i830->state.Ctx[I830_CTXREG_STATE5] & ~FIXED_LINE_WIDTH_MASK;
+ state5 |= (ENABLE_FIXED_LINE_WIDTH | FIXED_LINE_WIDTH(width));
+
+ if (state5 != i830->state.Ctx[I830_CTXREG_STATE5]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE5] = state5;
+ }
+}
+
+static void i830PointSize(GLcontext *ctx, GLfloat size)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ GLint point_size = (int)size;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ CLAMP_SELF(point_size, 1, 256);
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_STATE5] &= ~FIXED_POINT_WIDTH_MASK;
+ i830->state.Ctx[I830_CTXREG_STATE5] |= (ENABLE_FIXED_POINT_WIDTH |
+ FIXED_POINT_WIDTH(point_size));
+}
+
+
+/* =============================================================
+ * Color masks
+ */
+
+static void i830ColorMask(GLcontext *ctx,
+ GLboolean r, GLboolean g,
+ GLboolean b, GLboolean a)
+{
+ i830ContextPtr i830 = I830_CONTEXT( ctx );
+ GLuint tmp = 0;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s r(%d) g(%d) b(%d) a(%d)\n", __FUNCTION__, r, g, b, a);
+
+ tmp = ((i830->state.Ctx[I830_CTXREG_ENABLES_2] & ~WRITEMASK_MASK) |
+ ENABLE_COLOR_MASK |
+ ENABLE_COLOR_WRITE |
+ ((!r) << WRITEMASK_RED_SHIFT) |
+ ((!g) << WRITEMASK_GREEN_SHIFT) |
+ ((!b) << WRITEMASK_BLUE_SHIFT) |
+ ((!a) << WRITEMASK_ALPHA_SHIFT));
+
+ if (tmp != i830->state.Ctx[I830_CTXREG_ENABLES_2]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] = tmp;
+ }
+}
+
+static void update_specular( GLcontext *ctx )
+{
+ i830ContextPtr i830 = I830_CONTEXT( ctx );
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_SPEC_ADD_MASK;
+
+ if (NEED_SECONDARY_COLOR(ctx))
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_SPEC_ADD;
+ else
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_SPEC_ADD;
+}
+
+static void i830LightModelfv(GLcontext *ctx, GLenum pname,
+ const GLfloat *param)
+{
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) {
+ update_specular( ctx );
+ }
+}
+
+/* In Mesa 3.5 we can reliably do native flatshading.
+ */
+static void i830ShadeModel(GLcontext *ctx, GLenum mode)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+
+
+#define SHADE_MODE_MASK ((1<<10)|(1<<8)|(1<<6)|(1<<4))
+
+ i830->state.Ctx[I830_CTXREG_STATE3] &= ~SHADE_MODE_MASK;
+
+ if (mode == GL_FLAT) {
+ i830->state.Ctx[I830_CTXREG_STATE3] |= (ALPHA_SHADE_MODE(SHADE_MODE_FLAT) |
+ FOG_SHADE_MODE(SHADE_MODE_FLAT) |
+ SPEC_SHADE_MODE(SHADE_MODE_FLAT) |
+ COLOR_SHADE_MODE(SHADE_MODE_FLAT));
+ } else {
+ i830->state.Ctx[I830_CTXREG_STATE3] |= (ALPHA_SHADE_MODE(SHADE_MODE_LINEAR) |
+ FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
+ SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
+ COLOR_SHADE_MODE(SHADE_MODE_LINEAR));
+ }
+}
+
+/* =============================================================
+ * Fog
+ */
+static void i830Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *param)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (pname == GL_FOG_COLOR) {
+ GLuint color = (((GLubyte)(ctx->Fog.Color[0]*255.0F) << 16) |
+ ((GLubyte)(ctx->Fog.Color[1]*255.0F) << 8) |
+ ((GLubyte)(ctx->Fog.Color[2]*255.0F) << 0));
+
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_FOGCOLOR] = (_3DSTATE_FOG_COLOR_CMD | color);
+ }
+}
+
+/* =============================================================
+ */
+
+static void i830Enable(GLcontext *ctx, GLenum cap, GLboolean state)
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+
+ switch(cap) {
+ case GL_LIGHTING:
+ case GL_COLOR_SUM:
+ update_specular( ctx );
+ break;
+
+ case GL_ALPHA_TEST:
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_ALPHA_TEST_MASK;
+ if (state)
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_ALPHA_TEST;
+ else
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_ALPHA_TEST;
+
+ break;
+
+ case GL_BLEND:
+ i830EvalLogicOpBlendState(ctx);
+ break;
+
+ case GL_COLOR_LOGIC_OP:
+ i830EvalLogicOpBlendState(ctx);
+
+ /* Logicop doesn't seem to work at 16bpp:
+ */
+ if (i830->intel.intelScreen->cpp == 2)
+ FALLBACK( &i830->intel, I830_FALLBACK_LOGICOP, state );
+ break;
+
+ case GL_DITHER:
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_DITHER;
+
+ if (state)
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_DITHER;
+ else
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_DITHER;
+ break;
+
+ case GL_DEPTH_TEST:
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_DEPTH_TEST_MASK;
+
+ if (state)
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_DEPTH_TEST;
+ else
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_DEPTH_TEST;
+
+ /* Also turn off depth writes when GL_DEPTH_TEST is disabled:
+ */
+ i830DepthMask( ctx, ctx->Depth.Mask );
+ break;
+
+ case GL_SCISSOR_TEST:
+ I830_STATECHANGE(i830, I830_UPLOAD_BUFFERS);
+
+ if (state)
+ i830->state.Buffer[I830_DESTREG_SENABLE] =
+ (_3DSTATE_SCISSOR_ENABLE_CMD |
+ ENABLE_SCISSOR_RECT);
+ else
+ i830->state.Buffer[I830_DESTREG_SENABLE] =
+ (_3DSTATE_SCISSOR_ENABLE_CMD |
+ DISABLE_SCISSOR_RECT);
+
+ break;
+
+ case GL_LINE_SMOOTH:
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+
+ i830->state.Ctx[I830_CTXREG_AA] &= ~AA_LINE_ENABLE;
+ if (state)
+ i830->state.Ctx[I830_CTXREG_AA] |= AA_LINE_ENABLE;
+ else
+ i830->state.Ctx[I830_CTXREG_AA] |= AA_LINE_DISABLE;
+ break;
+
+ case GL_FOG:
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_DIS_FOG_MASK;
+ if (state)
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_FOG;
+ else
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_FOG;
+ break;
+
+ case GL_CULL_FACE:
+ i830CullFaceFrontFace(ctx, 0);
+ break;
+
+ case GL_TEXTURE_2D:
+ break;
+
+ case GL_STENCIL_TEST:
+ if (i830->intel.hw_stencil) {
+ I830_STATECHANGE(i830, I830_UPLOAD_CTX);
+
+ if (state) {
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_STENCIL_TEST;
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] |= ENABLE_STENCIL_WRITE;
+ } else {
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_STENCIL_TEST;
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] &= ~ENABLE_STENCIL_WRITE;
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_STENCIL_TEST;
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] |= DISABLE_STENCIL_WRITE;
+ }
+ } else {
+ FALLBACK( &i830->intel, I830_FALLBACK_STENCIL, state );
+ }
+ break;
+
+ case GL_POLYGON_STIPPLE:
+ /* The stipple command worked on my 855GM box, but not my 845G.
+ * I'll do more testing later to find out exactly which hardware
+ * supports it. Disabled for now.
+ */
+ if (i830->intel.hw_stipple &&
+ i830->intel.reduced_primitive == GL_TRIANGLES)
+ {
+ I830_STATECHANGE(i830, I830_UPLOAD_STIPPLE);
+ i830->state.Stipple[I830_STPREG_ST1] &= ~ST1_ENABLE;
+ if (state)
+ i830->state.Stipple[I830_STPREG_ST1] |= ST1_ENABLE;
+ }
+ break;
+
+ default:
+ ;
+ }
+}
+
+
+static void i830_init_packets( i830ContextPtr i830 )
+{
+ intelScreenPrivate *screen = i830->intel.intelScreen;
+
+ /* Zero all state */
+ memset(&i830->state, 0, sizeof(i830->state));
+
+ /* Set default blend state */
+ i830->state.TexBlend[0][0] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXOP_LAST_STAGE |
+ TEXBLENDOP_ARG1);
+ i830->state.TexBlend[0][1] = (_3DSTATE_MAP_BLEND_OP_CMD(0) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ i830->state.TexBlend[0][2] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_DIFFUSE);
+ i830->state.TexBlend[0][3] = (_3DSTATE_MAP_BLEND_ARG_CMD(0) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_DIFFUSE);
+
+ i830->state.TexBlendWordsUsed[0] = 4;
+
+
+ i830->state.Ctx[I830_CTXREG_VF] = 0;
+ i830->state.Ctx[I830_CTXREG_VF2] = 0;
+
+ i830->state.Ctx[I830_CTXREG_AA] = (_3DSTATE_AA_CMD |
+ AA_LINE_ECAAR_WIDTH_ENABLE |
+ AA_LINE_ECAAR_WIDTH_1_0 |
+ AA_LINE_REGION_WIDTH_ENABLE |
+ AA_LINE_REGION_WIDTH_1_0 |
+ AA_LINE_DISABLE);
+
+ i830->state.Ctx[I830_CTXREG_ENABLES_1] = (_3DSTATE_ENABLES_1_CMD |
+ DISABLE_LOGIC_OP |
+ DISABLE_STENCIL_TEST |
+ DISABLE_DEPTH_BIAS |
+ DISABLE_SPEC_ADD |
+ DISABLE_FOG |
+ DISABLE_ALPHA_TEST |
+ DISABLE_COLOR_BLEND |
+ DISABLE_DEPTH_TEST);
+
+ if (i830->intel.hw_stencil) {
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
+ ENABLE_STENCIL_WRITE |
+ ENABLE_TEX_CACHE |
+ ENABLE_DITHER |
+ ENABLE_COLOR_MASK |
+ /* set no color comps disabled */
+ ENABLE_COLOR_WRITE |
+ ENABLE_DEPTH_WRITE);
+ } else {
+ i830->state.Ctx[I830_CTXREG_ENABLES_2] = (_3DSTATE_ENABLES_2_CMD |
+ DISABLE_STENCIL_WRITE |
+ ENABLE_TEX_CACHE |
+ ENABLE_DITHER |
+ ENABLE_COLOR_MASK |
+ /* set no color comps disabled */
+ ENABLE_COLOR_WRITE |
+ ENABLE_DEPTH_WRITE);
+ }
+
+ i830->state.Ctx[I830_CTXREG_STATE1] = (_3DSTATE_MODES_1_CMD |
+ ENABLE_COLR_BLND_FUNC |
+ BLENDFUNC_ADD |
+ ENABLE_SRC_BLND_FACTOR |
+ SRC_BLND_FACT(BLENDFACT_ONE) |
+ ENABLE_DST_BLND_FACTOR |
+ DST_BLND_FACT(BLENDFACT_ZERO) );
+
+ i830->state.Ctx[I830_CTXREG_STATE2] = (_3DSTATE_MODES_2_CMD |
+ ENABLE_GLOBAL_DEPTH_BIAS |
+ GLOBAL_DEPTH_BIAS(0) |
+ ENABLE_ALPHA_TEST_FUNC |
+ ALPHA_TEST_FUNC(COMPAREFUNC_ALWAYS) |
+ ALPHA_REF_VALUE(0) );
+
+ i830->state.Ctx[I830_CTXREG_STATE3] = (_3DSTATE_MODES_3_CMD |
+ ENABLE_DEPTH_TEST_FUNC |
+ DEPTH_TEST_FUNC(COMPAREFUNC_LESS) |
+ ENABLE_ALPHA_SHADE_MODE |
+ ALPHA_SHADE_MODE(SHADE_MODE_LINEAR) |
+ ENABLE_FOG_SHADE_MODE |
+ FOG_SHADE_MODE(SHADE_MODE_LINEAR) |
+ ENABLE_SPEC_SHADE_MODE |
+ SPEC_SHADE_MODE(SHADE_MODE_LINEAR) |
+ ENABLE_COLOR_SHADE_MODE |
+ COLOR_SHADE_MODE(SHADE_MODE_LINEAR) |
+ ENABLE_CULL_MODE |
+ CULLMODE_NONE);
+
+ i830->state.Ctx[I830_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
+ ENABLE_LOGIC_OP_FUNC |
+ LOGIC_OP_FUNC(LOGICOP_COPY) |
+ ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(0xff) |
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(0xff));
+
+ i830->state.Ctx[I830_CTXREG_STENCILTST] = (_3DSTATE_STENCIL_TEST_CMD |
+ ENABLE_STENCIL_PARMS |
+ STENCIL_FAIL_OP(STENCILOP_KEEP) |
+ STENCIL_PASS_DEPTH_FAIL_OP(STENCILOP_KEEP) |
+ STENCIL_PASS_DEPTH_PASS_OP(STENCILOP_KEEP) |
+ ENABLE_STENCIL_TEST_FUNC |
+ STENCIL_TEST_FUNC(COMPAREFUNC_ALWAYS) |
+ ENABLE_STENCIL_REF_VALUE |
+ STENCIL_REF_VALUE(0) );
+
+ i830->state.Ctx[I830_CTXREG_STATE5] = (_3DSTATE_MODES_5_CMD |
+ FLUSH_TEXTURE_CACHE |
+ ENABLE_SPRITE_POINT_TEX |
+ SPRITE_POINT_TEX_OFF |
+ ENABLE_FIXED_LINE_WIDTH |
+ FIXED_LINE_WIDTH(0x2) | /* 1.0 */
+ ENABLE_FIXED_POINT_WIDTH |
+ FIXED_POINT_WIDTH(1) );
+
+ i830->state.Ctx[I830_CTXREG_IALPHAB] = (_3DSTATE_INDPT_ALPHA_BLEND_CMD |
+ DISABLE_INDPT_ALPHA_BLEND |
+ ENABLE_ALPHA_BLENDFUNC |
+ ABLENDFUNC_ADD);
+
+ i830->state.Ctx[I830_CTXREG_FOGCOLOR] = (_3DSTATE_FOG_COLOR_CMD |
+ FOG_COLOR_RED(0) |
+ FOG_COLOR_GREEN(0) |
+ FOG_COLOR_BLUE(0));
+
+ i830->state.Ctx[I830_CTXREG_BLENDCOLOR0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
+ i830->state.Ctx[I830_CTXREG_BLENDCOLOR1] = 0;
+
+ i830->state.Ctx[I830_CTXREG_MCSB0] = _3DSTATE_MAP_COORD_SETBIND_CMD;
+ i830->state.Ctx[I830_CTXREG_MCSB1] = (TEXBIND_SET3(TEXCOORDSRC_VTXSET_3) |
+ TEXBIND_SET2(TEXCOORDSRC_VTXSET_2) |
+ TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
+ TEXBIND_SET0(TEXCOORDSRC_VTXSET_0));
+
+
+ i830->state.Stipple[I830_STPREG_ST0] = _3DSTATE_STIPPLE;
+
+ i830->state.Buffer[I830_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
+ i830->state.Buffer[I830_DESTREG_CBUFADDR1] =
+ (BUF_3D_ID_COLOR_BACK |
+ BUF_3D_PITCH(screen->frontPitch * screen->cpp) |
+ BUF_3D_USE_FENCE);
+
+
+ i830->state.Buffer[I830_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
+ i830->state.Buffer[I830_DESTREG_DBUFADDR1] =
+ (BUF_3D_ID_DEPTH |
+ BUF_3D_PITCH(screen->depthPitch * screen->cpp) |
+ BUF_3D_USE_FENCE);
+ i830->state.Buffer[I830_DESTREG_DBUFADDR2] = screen->depthOffset;
+
+
+ i830->state.Buffer[I830_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
+
+ switch (screen->fbFormat) {
+ case DV_PF_555:
+ case DV_PF_565:
+ i830->state.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ screen->fbFormat |
+ DEPTH_IS_Z |
+ DEPTH_FRMT_16_FIXED);
+ break;
+ case DV_PF_8888:
+ i830->state.Buffer[I830_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ screen->fbFormat |
+ DEPTH_IS_Z |
+ DEPTH_FRMT_24_FIXED_8_OTHER);
+ break;
+ }
+
+ i830->state.Buffer[I830_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
+ DISABLE_SCISSOR_RECT);
+ i830->state.Buffer[I830_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
+ i830->state.Buffer[I830_DESTREG_SR1] = 0;
+ i830->state.Buffer[I830_DESTREG_SR2] = 0;
+}
+
+
+void i830InitStateFuncs( struct dd_function_table *functions )
+{
+ functions->AlphaFunc = i830AlphaFunc;
+ functions->BlendColor = i830BlendColor;
+ functions->BlendEquationSeparate = i830BlendEquationSeparate;
+ functions->BlendFuncSeparate = i830BlendFuncSeparate;
+ functions->ColorMask = i830ColorMask;
+ functions->CullFace = i830CullFaceFrontFace;
+ functions->DepthFunc = i830DepthFunc;
+ functions->DepthMask = i830DepthMask;
+ functions->Enable = i830Enable;
+ functions->Fogfv = i830Fogfv;
+ functions->FrontFace = i830CullFaceFrontFace;
+ functions->LightModelfv = i830LightModelfv;
+ functions->LineWidth = i830LineWidth;
+ functions->LogicOpcode = i830LogicOp;
+ functions->PointSize = i830PointSize;
+ functions->PolygonStipple = i830PolygonStipple;
+ functions->Scissor = i830Scissor;
+ functions->ShadeModel = i830ShadeModel;
+ functions->StencilFunc = i830StencilFunc;
+ functions->StencilMask = i830StencilMask;
+ functions->StencilOp = i830StencilOp;
+}
+
+void i830InitState( i830ContextPtr i830 )
+{
+ GLcontext *ctx = &i830->intel.ctx;
+
+ i830_init_packets( i830 );
+
+ intelInitState( ctx );
+
+ memcpy( &i830->initial, &i830->state, sizeof(i830->state) );
+
+ i830->current = &i830->state;
+ i830->state.emitted = 0;
+ i830->state.active = (I830_UPLOAD_TEXBLEND(0) |
+ I830_UPLOAD_STIPPLE |
+ I830_UPLOAD_CTX |
+ I830_UPLOAD_BUFFERS);
+}
+
+
+
+
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "image.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "texmem.h"
+#include "swrast/swrast.h"
+
+#include "mm.h"
+
+#include "intel_ioctl.h"
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+
+
+
+/**
+ * Set the texture wrap modes.
+ *
+ * The i830M (and related graphics cores) do not support GL_CLAMP. The Intel
+ * drivers for "other operating systems" implement GL_CLAMP as
+ * GL_CLAMP_TO_EDGE, so the same is done here.
+ *
+ * \param t Texture object whose wrap modes are to be set
+ * \param swrap Wrap mode for the \a s texture coordinate
+ * \param twrap Wrap mode for the \a t texture coordinate
+ */
+static void i830SetTexWrapping(i830TextureObjectPtr tex,
+ GLenum swrap,
+ GLenum twrap)
+{
+ tex->Setup[I830_TEXREG_MCS] &= ~(TEXCOORD_ADDR_U_MASK|TEXCOORD_ADDR_V_MASK);
+
+ switch( swrap ) {
+ case GL_REPEAT:
+ tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP);
+ break;
+ case GL_CLAMP:
+ case GL_CLAMP_TO_EDGE:
+ tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP);
+ break;
+ case GL_CLAMP_TO_BORDER:
+ tex->Setup[I830_TEXREG_MCS] |=
+ TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP_BORDER);
+ break;
+ case GL_MIRRORED_REPEAT:
+ tex->Setup[I830_TEXREG_MCS] |=
+ TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_MIRROR);
+ break;
+ default:
+ break;
+ }
+
+ switch( twrap ) {
+ case GL_REPEAT:
+ tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP);
+ break;
+ case GL_CLAMP:
+ case GL_CLAMP_TO_EDGE:
+ tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP);
+ break;
+ case GL_CLAMP_TO_BORDER:
+ tex->Setup[I830_TEXREG_MCS] |=
+ TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP_BORDER);
+ break;
+ case GL_MIRRORED_REPEAT:
+ tex->Setup[I830_TEXREG_MCS] |=
+ TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_MIRROR);
+ break;
+ default:
+ break;
+ }
+}
+
+
+/**
+ * Set the texture magnification and minification modes.
+ *
+ * \param t Texture whose filter modes are to be set
+ * \param minf Texture minification mode
+ * \param magf Texture magnification mode
+ * \param bias LOD bias for this texture unit.
+ */
+
+static void i830SetTexFilter( i830TextureObjectPtr t, GLenum minf, GLenum magf,
+ GLfloat maxanisotropy )
+{
+ int minFilt = 0, mipFilt = 0, magFilt = 0;
+
+ if(INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if ( maxanisotropy > 1.0 ) {
+ minFilt = FILTER_ANISOTROPIC;
+ magFilt = FILTER_ANISOTROPIC;
+ }
+ else {
+ switch (minf) {
+ case GL_NEAREST:
+ minFilt = FILTER_NEAREST;
+ mipFilt = MIPFILTER_NONE;
+ break;
+ case GL_LINEAR:
+ minFilt = FILTER_LINEAR;
+ mipFilt = MIPFILTER_NONE;
+ break;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ minFilt = FILTER_NEAREST;
+ mipFilt = MIPFILTER_NEAREST;
+ break;
+ case GL_LINEAR_MIPMAP_NEAREST:
+ minFilt = FILTER_LINEAR;
+ mipFilt = MIPFILTER_NEAREST;
+ break;
+ case GL_NEAREST_MIPMAP_LINEAR:
+ minFilt = FILTER_NEAREST;
+ mipFilt = MIPFILTER_LINEAR;
+ break;
+ case GL_LINEAR_MIPMAP_LINEAR:
+ minFilt = FILTER_LINEAR;
+ mipFilt = MIPFILTER_LINEAR;
+ break;
+ default:
+ break;
+ }
+
+ switch (magf) {
+ case GL_NEAREST:
+ magFilt = FILTER_NEAREST;
+ break;
+ case GL_LINEAR:
+ magFilt = FILTER_LINEAR;
+ break;
+ default:
+ break;
+ }
+ }
+
+ t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIN_FILTER_MASK;
+ t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIP_FILTER_MASK;
+ t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MAG_FILTER_MASK;
+ t->Setup[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) |
+ (mipFilt << TM0S3_MIP_FILTER_SHIFT) |
+ (magFilt << TM0S3_MAG_FILTER_SHIFT));
+}
+
+static void i830SetTexBorderColor(i830TextureObjectPtr t, GLubyte color[4])
+{
+ if(INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ t->Setup[I830_TEXREG_TM0S4] =
+ INTEL_PACKCOLOR8888(color[0],color[1],color[2],color[3]);
+}
+
+
+/**
+ * Allocate space for and load the mesa images into the texture memory block.
+ * This will happen before drawing with a new texture, or drawing with a
+ * texture after it was swapped out or teximaged again.
+ */
+
+intelTextureObjectPtr i830AllocTexObj( struct gl_texture_object *texObj )
+{
+ i830TextureObjectPtr t = CALLOC_STRUCT( i830_texture_object );
+ if ( !t )
+ return NULL;
+
+ texObj->DriverData = t;
+ t->intel.base.tObj = texObj;
+ t->intel.dirty = I830_UPLOAD_TEX_ALL;
+ make_empty_list( &t->intel.base );
+
+ t->Setup[I830_TEXREG_TM0LI] = 0; /* not used */
+ t->Setup[I830_TEXREG_TM0S0] = 0;
+ t->Setup[I830_TEXREG_TM0S1] = 0;
+ t->Setup[I830_TEXREG_TM0S2] = 0;
+ t->Setup[I830_TEXREG_TM0S3] = 0;
+ t->Setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
+ MAP_UNIT(0) |
+ ENABLE_TEXCOORD_PARAMS |
+ TEXCOORDS_ARE_NORMAL |
+ TEXCOORDTYPE_CARTESIAN |
+ ENABLE_ADDR_V_CNTL |
+ TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) |
+ ENABLE_ADDR_U_CNTL |
+ TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP));
+
+
+ i830SetTexWrapping( t, texObj->WrapS, texObj->WrapT );
+ i830SetTexFilter( t, texObj->MinFilter, texObj->MagFilter,
+ texObj->MaxAnisotropy );
+ i830SetTexBorderColor( t, texObj->_BorderChan );
+
+ return &t->intel;
+}
+
+
+static void i830TexParameter( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *tObj,
+ GLenum pname, const GLfloat *params )
+{
+ i830TextureObjectPtr t = (i830TextureObjectPtr) tObj->DriverData;
+ if (!t)
+ return;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ i830SetTexFilter( t, tObj->MinFilter, tObj->MagFilter,
+ tObj->MaxAnisotropy);
+ break;
+
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ i830SetTexWrapping( t, tObj->WrapS, tObj->WrapT );
+ break;
+
+ case GL_TEXTURE_BORDER_COLOR:
+ i830SetTexBorderColor( t, tObj->_BorderChan );
+ break;
+
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ /* The i830 and its successors can do a lot of this without
+ * reloading the textures. A project for someone?
+ */
+ intelFlush( ctx );
+ driSwapOutTextureObject( (driTextureObject *) t );
+ break;
+
+ default:
+ return;
+ }
+
+ t->intel.dirty = I830_UPLOAD_TEX_ALL;
+}
+
+
+static void i830TexEnv( GLcontext *ctx, GLenum target,
+ GLenum pname, const GLfloat *param )
+{
+ i830ContextPtr i830 = I830_CONTEXT( ctx );
+ GLuint unit = ctx->Texture.CurrentUnit;
+
+ switch (pname) {
+ case GL_TEXTURE_ENV_COLOR:
+#if 0
+ {
+ GLubyte r, g, b, a;
+ GLuint col;
+
+ UNCLAMPED_FLOAT_TO_UBYTE(r, param[RCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, param[GCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, param[BCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(a, param[ACOMP]);
+
+ col = ((a << 24) | (r << 16) | (g << 8) | b);
+
+ if (col != i830->state.TexEnv[unit][I830_TEXENVREG_COL1]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_TEXENV);
+ i830->state.TexEnv[unit][I830_TEXENVREG_COL1] = col;
+ }
+
+ break;
+ }
+#endif
+ case GL_TEXTURE_ENV_MODE:
+ case GL_COMBINE_RGB:
+ case GL_COMBINE_ALPHA:
+ case GL_SOURCE0_RGB:
+ case GL_SOURCE1_RGB:
+ case GL_SOURCE2_RGB:
+ case GL_SOURCE0_ALPHA:
+ case GL_SOURCE1_ALPHA:
+ case GL_SOURCE2_ALPHA:
+ case GL_OPERAND0_RGB:
+ case GL_OPERAND1_RGB:
+ case GL_OPERAND2_RGB:
+ case GL_OPERAND0_ALPHA:
+ case GL_OPERAND1_ALPHA:
+ case GL_OPERAND2_ALPHA:
+ case GL_RGB_SCALE:
+ case GL_ALPHA_SCALE:
+ break;
+
+ case GL_TEXTURE_LOD_BIAS: {
+ int b = (int) ((*param) * 16.0);
+ if (b > 63) b = 63;
+ if (b < -64) b = -64;
+ I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
+ i830->state.Tex[unit][I830_TEXREG_TM0S3] &= ~TM0S3_LOD_BIAS_MASK;
+ i830->state.Tex[unit][I830_TEXREG_TM0S3] |=
+ ((b << TM0S3_LOD_BIAS_SHIFT) & TM0S3_LOD_BIAS_MASK);
+ break;
+ }
+
+ default:
+ break;
+ }
+}
+
+
+
+
+void i830InitTextureFuncs( struct dd_function_table *functions )
+{
+ functions->TexEnv = i830TexEnv;
+ functions->TexParameter = i830TexParameter;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "texformat.h"
+#include "texstore.h"
+
+#include "mm.h"
+
+#include "intel_screen.h"
+#include "intel_ioctl.h"
+#include "intel_tex.h"
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+
+/* ================================================================
+ * Texture combine functions
+ */
+static GLuint pass_through( GLuint *state, GLuint blendUnit )
+{
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+
+ return 4;
+}
+
+static GLuint emit_factor( GLuint blendUnit, GLuint *state, GLuint count,
+ const GLfloat *factor )
+{
+ GLubyte r, g, b, a;
+ GLuint col;
+
+ if (0)
+ fprintf(stderr, "emit constant %d: %.2f %.2f %.2f %.2f\n",
+ blendUnit, factor[0], factor[1], factor[2], factor[3]);
+
+ UNCLAMPED_FLOAT_TO_UBYTE(r, factor[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, factor[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, factor[2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(a, factor[3]);
+
+ col = ((a << 24) | (r << 16) | (g << 8) | b);
+
+ state[count++] = _3DSTATE_COLOR_FACTOR_N_CMD(blendUnit);
+ state[count++] = col;
+
+ return count;
+}
+
+
+static __inline__ GLuint GetTexelOp(GLint unit)
+{
+ switch(unit) {
+ case 0: return TEXBLENDARG_TEXEL0;
+ case 1: return TEXBLENDARG_TEXEL1;
+ case 2: return TEXBLENDARG_TEXEL2;
+ case 3: return TEXBLENDARG_TEXEL3;
+ default: return TEXBLENDARG_TEXEL0;
+ }
+}
+
+
+GLuint i830SetBlend_GL1_2(i830ContextPtr i830, int blendUnit,
+ GLenum envMode, GLenum format, GLuint texel_op,
+ GLuint *state, const GLfloat *factor)
+{
+ if(INTEL_DEBUG&DEBUG_TEXTURE)
+ fprintf(stderr, "%s %s %s texel_op(0x%x)\n",
+ __FUNCTION__,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(envMode),
+ texel_op);
+
+ switch(envMode) {
+ case GL_REPLACE:
+ switch(format) {
+ case GL_ALPHA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ return 4;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 4;
+
+ case GL_INTENSITY:
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ return 4;
+
+ default:
+ /* Always set to passthru if something is funny */
+ return pass_through( state, blendUnit );
+ }
+
+ case GL_MODULATE:
+ switch(format) {
+ case GL_ALPHA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 5;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 5;
+
+ case GL_INTENSITY:
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 6;
+
+ default:
+ /* Always set to passthru if something is funny */
+ return pass_through( state, blendUnit );
+ }
+
+ case GL_DECAL:
+ switch(format) {
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 4;
+
+ case GL_RGBA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_BLEND);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_REPLICATE_ALPHA |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 6;
+ default:
+ /* Always set to passthru if something is funny */
+ return pass_through( state, blendUnit );
+ }
+
+ case GL_BLEND:
+ switch(format) {
+ case GL_ALPHA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 5;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_BLEND);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_FACTOR_N);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return emit_factor( blendUnit, state, 6, factor );
+
+ case GL_INTENSITY:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_BLEND);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_BLEND);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_FACTOR_N);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[6] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_FACTOR_N);
+ state[7] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return emit_factor( blendUnit, state, 8, factor );
+
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_BLEND);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_FACTOR_N);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[6] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return emit_factor( blendUnit, state, 7, factor );
+
+ default:
+ /* Always set to passthru if something is funny */
+ return pass_through( state, blendUnit );
+ }
+
+ case GL_ADD:
+ switch(format) {
+ case GL_ALPHA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 5;
+
+ case GL_LUMINANCE:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ADD);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 5;
+
+ case GL_INTENSITY:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ADD);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ADD);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 6;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ADD);
+ state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_MODULATE);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ state[4] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ texel_op);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ return 6;
+
+ default:
+ /* Always set to passthru if something is funny */
+ return pass_through( state, blendUnit );
+ }
+
+ default:
+ /* Always set to passthru if something is funny */
+ return pass_through( state, blendUnit );
+ }
+}
+
+static GLuint i830SetTexEnvCombine(i830ContextPtr i830,
+ const struct gl_texture_unit *texUnit,
+ GLint blendUnit,
+ GLuint texel_op,
+ GLuint *state,
+ const GLfloat *factor )
+{
+ GLuint blendop;
+ GLuint ablendop;
+ GLuint args_RGB[3];
+ GLuint args_A[3];
+ GLuint rgb_shift;
+ GLuint alpha_shift;
+ GLboolean need_factor = 0;
+ int i;
+
+ if(INTEL_DEBUG&DEBUG_TEXTURE)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+
+ /* The EXT version of the DOT3 extension does not support the
+ * scale factor, but the ARB version (and the version in OpenGL
+ * 1.3) does.
+ */
+ switch (texUnit->Combine.ModeRGB) {
+ case GL_DOT3_RGB_EXT:
+ alpha_shift = texUnit->Combine.ScaleShiftA;
+ rgb_shift = 0;
+ break;
+
+ case GL_DOT3_RGBA_EXT:
+ alpha_shift = 0;
+ rgb_shift = 0;
+ break;
+
+ default:
+ rgb_shift = texUnit->Combine.ScaleShiftRGB;
+ alpha_shift = texUnit->Combine.ScaleShiftA;
+ break;
+ }
+
+
+ switch(texUnit->Combine.ModeRGB) {
+ case GL_REPLACE:
+ blendop = TEXBLENDOP_ARG1;
+ break;
+ case GL_MODULATE:
+ blendop = TEXBLENDOP_MODULATE;
+ break;
+ case GL_ADD:
+ blendop = TEXBLENDOP_ADD;
+ break;
+ case GL_ADD_SIGNED:
+ blendop = TEXBLENDOP_ADDSIGNED;
+ break;
+ case GL_INTERPOLATE:
+ blendop = TEXBLENDOP_BLEND;
+ break;
+ case GL_SUBTRACT:
+ blendop = TEXBLENDOP_SUBTRACT;
+ break;
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGB:
+ blendop = TEXBLENDOP_DOT3;
+ break;
+ case GL_DOT3_RGBA_EXT:
+ case GL_DOT3_RGBA:
+ blendop = TEXBLENDOP_DOT3;
+ break;
+ default:
+ return pass_through( state, blendUnit );
+ }
+
+ blendop |= (rgb_shift << TEXOP_SCALE_SHIFT);
+
+
+ /* Handle RGB args */
+ for(i = 0; i < 3; i++) {
+ switch(texUnit->Combine.SourceRGB[i]) {
+ case GL_TEXTURE:
+ args_RGB[i] = texel_op;
+ break;
+ case GL_CONSTANT:
+ args_RGB[i] = TEXBLENDARG_FACTOR_N;
+ need_factor = 1;
+ break;
+ case GL_PRIMARY_COLOR:
+ args_RGB[i] = TEXBLENDARG_DIFFUSE;
+ break;
+ case GL_PREVIOUS:
+ args_RGB[i] = TEXBLENDARG_CURRENT;
+ break;
+ default:
+ return pass_through( state, blendUnit );
+ }
+
+ switch(texUnit->Combine.OperandRGB[i]) {
+ case GL_SRC_COLOR:
+ args_RGB[i] |= 0;
+ break;
+ case GL_ONE_MINUS_SRC_COLOR:
+ args_RGB[i] |= TEXBLENDARG_INV_ARG;
+ break;
+ case GL_SRC_ALPHA:
+ args_RGB[i] |= TEXBLENDARG_REPLICATE_ALPHA;
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ args_RGB[i] |= (TEXBLENDARG_REPLICATE_ALPHA |
+ TEXBLENDARG_INV_ARG);
+ break;
+ default:
+ return pass_through( state, blendUnit );
+ }
+ }
+
+
+ /* Need to knobble the alpha calculations of TEXBLENDOP_DOT4 to
+ * match the spec. Can't use DOT3 as it won't propogate values
+ * into alpha as required:
+ *
+ * Note - the global factor is set up with alpha == .5, so
+ * the alpha part of the DOT4 calculation should be zero.
+ */
+ if ( texUnit->Combine.ModeRGB == GL_DOT3_RGBA_EXT ||
+ texUnit->Combine.ModeRGB == GL_DOT3_RGBA ) {
+ ablendop = TEXBLENDOP_DOT4;
+ args_A[0] = TEXBLENDARG_FACTOR; /* the global factor */
+ args_A[1] = TEXBLENDARG_FACTOR;
+ args_A[2] = TEXBLENDARG_FACTOR;
+ }
+ else {
+ switch(texUnit->Combine.ModeA) {
+ case GL_REPLACE:
+ ablendop = TEXBLENDOP_ARG1;
+ break;
+ case GL_MODULATE:
+ ablendop = TEXBLENDOP_MODULATE;
+ break;
+ case GL_ADD:
+ ablendop = TEXBLENDOP_ADD;
+ break;
+ case GL_ADD_SIGNED:
+ ablendop = TEXBLENDOP_ADDSIGNED;
+ break;
+ case GL_INTERPOLATE:
+ ablendop = TEXBLENDOP_BLEND;
+ break;
+ case GL_SUBTRACT:
+ ablendop = TEXBLENDOP_SUBTRACT;
+ break;
+ default:
+ return pass_through( state, blendUnit );
+ }
+
+
+ ablendop |= (alpha_shift << TEXOP_SCALE_SHIFT);
+
+ /* Handle A args */
+ for(i = 0; i < 3; i++) {
+ switch(texUnit->Combine.SourceA[i]) {
+ case GL_TEXTURE:
+ args_A[i] = texel_op;
+ break;
+ case GL_CONSTANT:
+ args_A[i] = TEXBLENDARG_FACTOR_N;
+ need_factor = 1;
+ break;
+ case GL_PRIMARY_COLOR:
+ args_A[i] = TEXBLENDARG_DIFFUSE;
+ break;
+ case GL_PREVIOUS:
+ args_A[i] = TEXBLENDARG_CURRENT;
+ break;
+ default:
+ return pass_through( state, blendUnit );
+ }
+
+ switch(texUnit->Combine.OperandA[i]) {
+ case GL_SRC_ALPHA:
+ args_A[i] |= 0;
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ args_A[i] |= TEXBLENDARG_INV_ARG;
+ break;
+ default:
+ return pass_through( state, blendUnit );
+ }
+ }
+ }
+
+
+
+ /* Native Arg1 == Arg0 in GL_EXT_texture_env_combine spec */
+ /* Native Arg2 == Arg1 in GL_EXT_texture_env_combine spec */
+ /* Native Arg0 == Arg2 in GL_EXT_texture_env_combine spec */
+
+ /* When we render we need to figure out which is the last really enabled
+ * tex unit, and put last stage on it
+ */
+
+
+ /* Build color pipeline */
+
+ state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_MODIFY_PARMS |
+ blendop);
+ state[1] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ args_RGB[0]);
+ state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ args_RGB[1]);
+ state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ args_RGB[2]);
+
+ /* Build Alpha pipeline */
+ state[4] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_MODIFY_PARMS |
+ ablendop);
+ state[5] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ args_A[0]);
+ state[6] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG2 |
+ TEXBLENDARG_MODIFY_PARMS |
+ args_A[1]);
+ state[7] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG0 |
+ TEXBLENDARG_MODIFY_PARMS |
+ args_A[2]);
+
+
+ if (need_factor)
+ return emit_factor( blendUnit, state, 8, factor );
+ else
+ return 8;
+}
+
+
+static void emit_texblend( i830ContextPtr i830, GLuint unit, GLuint blendUnit,
+ GLboolean last_stage )
+{
+ struct gl_texture_unit *texUnit = &i830->intel.ctx.Texture.Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ i830TextureObjectPtr t = (i830TextureObjectPtr)tObj->DriverData;
+ GLuint tmp[I830_TEXBLEND_SIZE], tmp_sz;
+
+
+ if (0) fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit);
+
+ /* Update i830->state.TexBlend
+ */
+ if (texUnit->EnvMode == GL_COMBINE) {
+ tmp_sz = i830SetTexEnvCombine(i830, texUnit, blendUnit,
+ GetTexelOp(unit), tmp,
+ texUnit->EnvColor );
+ }
+ else {
+ tmp_sz = i830SetBlend_GL1_2(i830, blendUnit, texUnit->EnvMode,
+ t->intel.image[0][0].internalFormat,
+ GetTexelOp(unit), tmp,
+ texUnit->EnvColor );
+ }
+
+ if (last_stage)
+ tmp[0] |= TEXOP_LAST_STAGE;
+
+ if (tmp_sz != i830->state.TexBlendWordsUsed[blendUnit] ||
+ memcmp( tmp, i830->state.TexBlend[blendUnit], tmp_sz * sizeof(GLuint))) {
+
+ I830_STATECHANGE( i830, I830_UPLOAD_TEXBLEND(blendUnit) );
+ memcpy( i830->state.TexBlend[blendUnit], tmp, tmp_sz * sizeof(GLuint));
+ i830->state.TexBlendWordsUsed[blendUnit] = tmp_sz;
+ }
+
+ I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(blendUnit), GL_TRUE);
+}
+
+static void emit_passthrough( i830ContextPtr i830 )
+{
+ GLuint tmp[I830_TEXBLEND_SIZE], tmp_sz;
+ GLuint unit = 0;
+
+ tmp_sz = pass_through( tmp, unit );
+ tmp[0] |= TEXOP_LAST_STAGE;
+
+ if (tmp_sz != i830->state.TexBlendWordsUsed[unit] ||
+ memcmp( tmp, i830->state.TexBlend[unit], tmp_sz * sizeof(GLuint))) {
+
+ I830_STATECHANGE( i830, I830_UPLOAD_TEXBLEND(unit) );
+ memcpy( i830->state.TexBlend[unit], tmp, tmp_sz * sizeof(GLuint));
+ i830->state.TexBlendWordsUsed[unit] = tmp_sz;
+ }
+
+ I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(unit), GL_TRUE);
+}
+
+void i830EmitTextureBlend( i830ContextPtr i830 )
+{
+ GLcontext *ctx = &i830->intel.ctx;
+ GLuint unit, last_stage = 0, blendunit = 0;
+
+ I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND_ALL, GL_FALSE);
+
+ if (ctx->Texture._EnabledUnits) {
+ for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
+ if (ctx->Texture.Unit[unit]._ReallyEnabled)
+ last_stage = unit;
+
+ for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
+ if (ctx->Texture.Unit[unit]._ReallyEnabled)
+ emit_texblend( i830, unit, blendunit++, last_stage == unit );
+ }
+ else {
+ emit_passthrough( i830 );
+ }
+}
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "texformat.h"
+#include "texstore.h"
+
+#include "mm.h"
+
+#include "intel_screen.h"
+#include "intel_ioctl.h"
+#include "intel_tex.h"
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+
+#define I830_TEX_UNIT_ENABLED(unit) (1<<unit)
+
+static GLboolean i830SetTexImages( i830ContextPtr i830,
+ struct gl_texture_object *tObj )
+{
+ GLuint total_height, pitch, i, textureFormat;
+ i830TextureObjectPtr t = (i830TextureObjectPtr) tObj->DriverData;
+ const struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
+ GLint firstLevel, lastLevel, numLevels;
+
+ switch( baseImage->TexFormat->MesaFormat ) {
+ case MESA_FORMAT_L8:
+ t->intel.texelBytes = 1;
+ textureFormat = MAPSURF_8BIT | MT_8BIT_L8;
+ break;
+
+ case MESA_FORMAT_I8:
+ t->intel.texelBytes = 1;
+ textureFormat = MAPSURF_8BIT | MT_8BIT_I8;
+ break;
+
+ case MESA_FORMAT_A8:
+ t->intel.texelBytes = 1;
+ textureFormat = MAPSURF_8BIT | MT_8BIT_I8; /* Kludge -- check with conform, glean */
+ break;
+
+ case MESA_FORMAT_AL88:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_AY88;
+ break;
+
+ case MESA_FORMAT_RGB565:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
+ break;
+
+ case MESA_FORMAT_ARGB1555:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
+ break;
+
+ case MESA_FORMAT_ARGB4444:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB4444;
+ break;
+
+ case MESA_FORMAT_ARGB8888:
+ t->intel.texelBytes = 4;
+ textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
+ break;
+
+ case MESA_FORMAT_YCBCR_REV:
+ t->intel.texelBytes = 2;
+ textureFormat = (MAPSURF_422 | MT_422_YCRCB_NORMAL |
+ TM0S1_COLORSPACE_CONVERSION);
+ break;
+
+ case MESA_FORMAT_YCBCR:
+ t->intel.texelBytes = 2;
+ textureFormat = (MAPSURF_422 | MT_422_YCRCB_SWAPY | /* ??? */
+ TM0S1_COLORSPACE_CONVERSION);
+ break;
+
+ default:
+ fprintf(stderr, "%s: bad image format\n", __FUNCTION__);
+ abort();
+ }
+
+ /* Compute which mipmap levels we really want to send to the hardware.
+ * This depends on the base image size, GL_TEXTURE_MIN_LOD,
+ * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL.
+ * Yes, this looks overly complicated, but it's all needed.
+ */
+ driCalculateTextureFirstLastLevel( (driTextureObject *) t );
+
+
+ /* Figure out the amount of memory required to hold all the mipmap
+ * levels. Choose the smallest pitch to accomodate the largest
+ * mipmap:
+ */
+ firstLevel = t->intel.base.firstLevel;
+ lastLevel = t->intel.base.lastLevel;
+ numLevels = lastLevel - firstLevel + 1;
+
+ /* Pitch would be subject to additional rules if texture memory were
+ * tiled. Currently it isn't.
+ */
+ if (0) {
+ pitch = 128;
+ while (pitch < tObj->Image[0][firstLevel]->Width * t->intel.texelBytes)
+ pitch *= 2;
+ }
+ else {
+ pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes;
+ pitch = (pitch + 3) & ~3;
+ }
+
+
+ /* All images must be loaded at this pitch. Count the number of
+ * lines required:
+ */
+ for ( total_height = i = 0 ; i < numLevels ; i++ ) {
+ t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
+ if (!t->intel.image[0][i].image)
+ break;
+
+ t->intel.image[0][i].offset = total_height * pitch;
+ t->intel.image[0][i].internalFormat = baseImage->Format;
+ total_height += MAX2(2, t->intel.image[0][i].image->Height);
+ }
+
+ t->intel.Pitch = pitch;
+ t->intel.base.totalSize = total_height*pitch;
+ t->intel.max_level = i-1;
+ t->Setup[I830_TEXREG_TM0S1] =
+ (((tObj->Image[0][firstLevel]->Height - 1) << TM0S1_HEIGHT_SHIFT) |
+ ((tObj->Image[0][firstLevel]->Width - 1) << TM0S1_WIDTH_SHIFT) |
+ textureFormat);
+ t->Setup[I830_TEXREG_TM0S2] =
+ (((pitch / 4) - 1) << TM0S2_PITCH_SHIFT);
+ t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MAX_MIP_MASK;
+ t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIN_MIP_MASK;
+ t->Setup[I830_TEXREG_TM0S3] |= ((numLevels - 1)*4) << TM0S3_MIN_MIP_SHIFT;
+ t->intel.dirty = I830_UPLOAD_TEX_ALL;
+
+ return intelUploadTexImages( &i830->intel, &t->intel, 0 );
+}
+
+
+static void i830_import_tex_unit( i830ContextPtr i830,
+ i830TextureObjectPtr t,
+ GLuint unit )
+{
+ if(INTEL_DEBUG&DEBUG_TEXTURE)
+ fprintf(stderr, "%s unit(%d)\n", __FUNCTION__, unit);
+
+ if (i830->intel.CurrentTexObj[unit])
+ i830->intel.CurrentTexObj[unit]->base.bound &= ~(1U << unit);
+
+ i830->intel.CurrentTexObj[unit] = (intelTextureObjectPtr)t;
+ t->intel.base.bound |= (1 << unit);
+
+ I830_STATECHANGE( i830, I830_UPLOAD_TEX(unit) );
+
+ i830->state.Tex[unit][I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
+ (LOAD_TEXTURE_MAP0 << unit) | 4);
+ i830->state.Tex[unit][I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE |
+ t->intel.TextureOffset);
+
+ i830->state.Tex[unit][I830_TEXREG_TM0S1] = t->Setup[I830_TEXREG_TM0S1];
+ i830->state.Tex[unit][I830_TEXREG_TM0S2] = t->Setup[I830_TEXREG_TM0S2];
+
+ i830->state.Tex[unit][I830_TEXREG_TM0S3] &= TM0S3_LOD_BIAS_MASK;
+ i830->state.Tex[unit][I830_TEXREG_TM0S3] |= (t->Setup[I830_TEXREG_TM0S3] &
+ ~TM0S3_LOD_BIAS_MASK);
+
+ i830->state.Tex[unit][I830_TEXREG_TM0S4] = t->Setup[I830_TEXREG_TM0S4];
+ i830->state.Tex[unit][I830_TEXREG_MCS] = (t->Setup[I830_TEXREG_MCS] &
+ ~MAP_UNIT_MASK);
+ i830->state.Tex[unit][I830_TEXREG_MCS] |= MAP_UNIT(unit);
+
+ t->intel.dirty &= ~I830_UPLOAD_TEX(unit);
+}
+
+
+
+static GLboolean enable_tex_common( GLcontext *ctx, GLuint unit )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ i830TextureObjectPtr t = (i830TextureObjectPtr)tObj->DriverData;
+
+ if (0) fprintf(stderr, "%s\n", __FUNCTION__);
+
+ /* Fallback if there's a texture border */
+ if ( tObj->Image[0][tObj->BaseLevel]->Border > 0 ) {
+ fprintf(stderr, "Texture border\n");
+ return GL_FALSE;
+ }
+
+ /* Upload teximages (not pipelined)
+ */
+ if (t->intel.base.dirty_images[0]) {
+ if (!i830SetTexImages( i830, tObj )) {
+ return GL_FALSE;
+ }
+ }
+
+ /* Update state if this is a different texture object to last
+ * time.
+ */
+ if (i830->intel.CurrentTexObj[unit] != &t->intel ||
+ (t->intel.dirty & I830_UPLOAD_TEX(unit))) {
+ i830_import_tex_unit( i830, t, unit);
+ }
+
+ I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE);
+
+ return GL_TRUE;
+}
+
+static GLboolean enable_tex_rect( GLcontext *ctx, GLuint unit )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ GLuint mcs = i830->state.Tex[unit][I830_TEXREG_MCS];
+
+ mcs &= ~TEXCOORDS_ARE_NORMAL;
+ mcs |= TEXCOORDS_ARE_IN_TEXELUNITS;
+
+ if (mcs != i830->state.Tex[unit][I830_TEXREG_MCS]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
+ i830->state.Tex[unit][I830_TEXREG_MCS] = mcs;
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLboolean enable_tex_2d( GLcontext *ctx, GLuint unit )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+ GLuint mcs = i830->state.Tex[unit][I830_TEXREG_MCS];
+
+ mcs &= ~TEXCOORDS_ARE_IN_TEXELUNITS;
+ mcs |= TEXCOORDS_ARE_NORMAL;
+
+ if (mcs != i830->state.Tex[unit][I830_TEXREG_MCS]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
+ i830->state.Tex[unit][I830_TEXREG_MCS] = mcs;
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLboolean disable_tex( GLcontext *ctx, GLuint unit )
+{
+ i830ContextPtr i830 = I830_CONTEXT(ctx);
+
+ /* This is happening too often. I need to conditionally send diffuse
+ * state to the card. Perhaps a diffuse dirty flag of some kind.
+ * Will need to change this logic if more than 2 texture units are
+ * used. We need to only do this up to the last unit enabled, or unit
+ * one if nothing is enabled.
+ */
+
+ if ( i830->intel.CurrentTexObj[unit] != NULL ) {
+ /* The old texture is no longer bound to this texture unit.
+ * Mark it as such.
+ */
+
+ i830->intel.CurrentTexObj[unit]->base.bound &= ~(1U << 0);
+ i830->intel.CurrentTexObj[unit] = NULL;
+ }
+
+ return GL_TRUE;
+}
+
+static GLboolean i830UpdateTexUnit( GLcontext *ctx, GLuint unit )
+{
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+ if (texUnit->_ReallyEnabled &&
+ INTEL_CONTEXT(ctx)->intelScreen->textureSize < 2048 * 1024)
+ return GL_FALSE;
+
+ if (texUnit->_ReallyEnabled == TEXTURE_1D_BIT ||
+ texUnit->_ReallyEnabled == TEXTURE_2D_BIT) {
+ return (enable_tex_common( ctx, unit ) &&
+ enable_tex_2d( ctx, unit ));
+ }
+ else if (texUnit->_ReallyEnabled == TEXTURE_RECT_BIT) {
+ return (enable_tex_common( ctx, unit ) &&
+ enable_tex_rect( ctx, unit ));
+ }
+ else if (texUnit->_ReallyEnabled) {
+ return GL_FALSE;
+ }
+ else {
+ return disable_tex( ctx, unit );
+ }
+}
+
+
+void i830UpdateTextureState( intelContextPtr intel )
+{
+ i830ContextPtr i830 = I830_CONTEXT(intel);
+ GLcontext *ctx = &intel->ctx;
+ GLboolean ok;
+
+ if (0) fprintf(stderr, "%s\n", __FUNCTION__);
+
+ I830_ACTIVESTATE(i830, I830_UPLOAD_TEX_ALL, GL_FALSE);
+
+ ok = (i830UpdateTexUnit( ctx, 0 ) &&
+ i830UpdateTexUnit( ctx, 1 ) &&
+ i830UpdateTexUnit( ctx, 2 ) &&
+ i830UpdateTexUnit( ctx, 3 ));
+
+ FALLBACK( intel, I830_FALLBACK_TEXTURE, !ok );
+
+ if (ok)
+ i830EmitTextureBlend( i830 );
+}
+
+
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include "i830_context.h"
+#include "i830_reg.h"
+
+#include "intel_batchbuffer.h"
+
+#include "tnl/t_context.h"
+#include "tnl/t_vertex.h"
+
+static GLboolean i830_check_vertex_size( intelContextPtr intel,
+ GLuint expected );
+
+#define SZ_TO_HW(sz) ((sz-2)&0x3)
+#define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
+#define EMIT_ATTR( ATTR, STYLE, V0 ) \
+do { \
+ intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
+ intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
+ intel->vertex_attr_count++; \
+ v0 |= V0; \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
+ intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
+ intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
+ intel->vertex_attr_count++; \
+} while (0)
+
+
+#define VRTX_TEX_SET_FMT(n, x) ((x)<<((n)*2))
+#define TEXBIND_SET(n, x) ((x)<<((n)*4))
+
+static void i830_render_start( intelContextPtr intel )
+{
+ GLcontext *ctx = &intel->ctx;
+ i830ContextPtr i830 = I830_CONTEXT(intel);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint index = tnl->render_inputs;
+ GLuint v0 = _3DSTATE_VFT0_CMD;
+ GLuint v2 = _3DSTATE_VFT1_CMD;
+ GLuint mcsb1 = 0;
+
+ /* Important:
+ */
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+ intel->vertex_attr_count = 0;
+
+ /* EMIT_ATTR's must be in order as they tell t_vertex.c how to
+ * build up a hardware vertex.
+ */
+ if (index & _TNL_BITS_TEX_ANY) {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, VFT0_XYZW );
+ intel->coloroffset = 4;
+ }
+ else {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, VFT0_XYZ );
+ intel->coloroffset = 3;
+ }
+
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, VFT0_DIFFUSE );
+
+ intel->specoffset = 0;
+ if (index & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) {
+ if (index & _TNL_BIT_COLOR1) {
+ intel->specoffset = intel->coloroffset + 1;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, VFT0_SPEC );
+ }
+ else
+ EMIT_PAD( 3 );
+
+ if (index & _TNL_BIT_FOG)
+ EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, VFT0_SPEC );
+ else
+ EMIT_PAD( 1 );
+ }
+
+ if (index & _TNL_BITS_TEX_ANY) {
+ int i, count = 0;
+
+ for (i = 0; i < I830_TEX_UNITS; i++) {
+ if (index & _TNL_BIT_TEX(i)) {
+ GLuint sz = VB->TexCoordPtr[i]->size;
+ GLuint emit;
+ GLuint mcs = (i830->state.Tex[i][I830_TEXREG_MCS] &
+ ~TEXCOORDTYPE_MASK);
+
+ switch (sz) {
+ case 1:
+ case 2:
+ case 3: /* XXX: fix for CUBE/VOLUME textures */
+ emit = EMIT_2F;
+ sz = 2;
+ mcs |= TEXCOORDTYPE_CARTESIAN;
+ break;
+ case 4:
+ emit = EMIT_3F_XYW;
+ sz = 3;
+ mcs |= TEXCOORDTYPE_HOMOGENEOUS;
+ break;
+ default:
+ continue;
+ };
+
+
+ EMIT_ATTR( _TNL_ATTRIB_TEX0+i, emit, 0 );
+ v2 |= VRTX_TEX_SET_FMT(count, SZ_TO_HW(sz));
+ mcsb1 |= (count+8)<<(i*4);
+
+ if (mcs != i830->state.Tex[i][I830_TEXREG_MCS]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_TEX(i));
+ i830->state.Tex[i][I830_TEXREG_MCS] = mcs;
+ }
+
+ count++;
+ }
+ }
+
+ v0 |= VFT0_TEX_COUNT(count);
+ }
+
+ /* Only need to change the vertex emit code if there has been a
+ * statechange to a new hardware vertex format:
+ */
+ if (v0 != i830->state.Ctx[I830_CTXREG_VF] ||
+ v2 != i830->state.Ctx[I830_CTXREG_VF2] ||
+ mcsb1 != i830->state.Ctx[I830_CTXREG_MCSB1] ||
+ index != i830->last_index) {
+
+ I830_STATECHANGE( i830, I830_UPLOAD_CTX );
+
+ /* Must do this *after* statechange, so as not to affect
+ * buffered vertices reliant on the old state:
+ */
+ intel->vertex_size =
+ _tnl_install_attrs( ctx,
+ intel->vertex_attrs,
+ intel->vertex_attr_count,
+ intel->ViewportMatrix.m, 0 );
+
+ intel->vertex_size >>= 2;
+
+ i830->state.Ctx[I830_CTXREG_VF] = v0;
+ i830->state.Ctx[I830_CTXREG_VF2] = v2;
+ i830->state.Ctx[I830_CTXREG_MCSB1] = mcsb1;
+ i830->last_index = index;
+
+ assert(i830_check_vertex_size( intel, intel->vertex_size ));
+ }
+}
+
+static void i830_reduced_primitive_state( intelContextPtr intel,
+ GLenum rprim )
+{
+ i830ContextPtr i830 = I830_CONTEXT(intel);
+ GLuint st1 = i830->state.Stipple[I830_STPREG_ST1];
+
+ st1 &= ~ST1_ENABLE;
+
+ switch (rprim) {
+ case GL_TRIANGLES:
+ if (intel->ctx.Polygon.StippleFlag &&
+ intel->hw_stipple)
+ st1 |= ST1_ENABLE;
+ break;
+ case GL_LINES:
+ case GL_POINTS:
+ default:
+ break;
+ }
+
+ i830->intel.reduced_primitive = rprim;
+
+ if (st1 != i830->state.Stipple[I830_STPREG_ST1]) {
+ I830_STATECHANGE(i830, I830_UPLOAD_STIPPLE);
+ i830->state.Stipple[I830_STPREG_ST1] = st1;
+ }
+}
+
+/* Pull apart the vertex format registers and figure out how large a
+ * vertex is supposed to be.
+ */
+static GLboolean i830_check_vertex_size( intelContextPtr intel,
+ GLuint expected )
+{
+ i830ContextPtr i830 = I830_CONTEXT(intel);
+ int vft0 = i830->current->Ctx[I830_CTXREG_VF];
+ int vft1 = i830->current->Ctx[I830_CTXREG_VF2];
+ int nrtex = (vft0 & VFT0_TEX_COUNT_MASK) >> VFT0_TEX_COUNT_SHIFT;
+ int i, sz = 0;
+
+ switch (vft0 & VFT0_XYZW_MASK) {
+ case VFT0_XY: sz = 2; break;
+ case VFT0_XYZ: sz = 3; break;
+ case VFT0_XYW: sz = 3; break;
+ case VFT0_XYZW: sz = 4; break;
+ default:
+ fprintf(stderr, "no xyzw specified\n");
+ return 0;
+ }
+
+ if (vft0 & VFT0_SPEC) sz++;
+ if (vft0 & VFT0_DIFFUSE) sz++;
+ if (vft0 & VFT0_DEPTH_OFFSET) sz++;
+ if (vft0 & VFT0_POINT_WIDTH) sz++;
+
+ for (i = 0 ; i < nrtex ; i++) {
+ switch (vft1 & VFT1_TEX0_MASK) {
+ case TEXCOORDFMT_2D: sz += 2; break;
+ case TEXCOORDFMT_3D: sz += 3; break;
+ case TEXCOORDFMT_4D: sz += 4; break;
+ case TEXCOORDFMT_1D: sz += 1; break;
+ }
+ vft1 >>= VFT1_TEX1_SHIFT;
+ }
+
+ if (sz != expected)
+ fprintf(stderr, "vertex size mismatch %d/%d\n", sz, expected);
+
+ return sz == expected;
+}
+
+static void i830_emit_invarient_state( intelContextPtr intel )
+{
+ BATCH_LOCALS;
+
+ BEGIN_BATCH( 200 );
+
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(0));
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(1));
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(2));
+ OUT_BATCH(_3DSTATE_MAP_CUBE | MAP_UNIT(3));
+
+ OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_FOG_MODE_CMD);
+ OUT_BATCH(FOGFUNC_ENABLE |
+ FOG_LINEAR_CONST |
+ FOGSRC_INDEX_Z |
+ ENABLE_FOG_DENSITY);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+
+
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(0) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(0) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(0));
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(1) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(1) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(1));
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(2) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(2) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(2));
+ OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD |
+ MAP_UNIT(3) |
+ DISABLE_TEX_STREAM_BUMP |
+ ENABLE_TEX_STREAM_COORD_SET |
+ TEX_STREAM_COORD_SET(3) |
+ ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(3));
+
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(0));
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(1));
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(2));
+ OUT_BATCH(_3DSTATE_MAP_COORD_TRANSFORM);
+ OUT_BATCH(DISABLE_TEX_TRANSFORM | TEXTURE_SET(3));
+
+ OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
+ ENABLE_POINT_RASTER_RULE |
+ OGL_POINT_RASTER_RULE |
+ ENABLE_LINE_STRIP_PROVOKE_VRTX |
+ ENABLE_TRI_FAN_PROVOKE_VRTX |
+ ENABLE_TRI_STRIP_PROVOKE_VRTX |
+ LINE_STRIP_PROVOKE_VRTX(1) |
+ TRI_FAN_PROVOKE_VRTX(2) |
+ TRI_STRIP_PROVOKE_VRTX(2));
+
+ OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD |
+ DISABLE_SCISSOR_RECT);
+
+ OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_VERTEX_TRANSFORM);
+ OUT_BATCH(DISABLE_VIEWPORT_TRANSFORM | DISABLE_PERSPECTIVE_DIVIDE);
+
+ OUT_BATCH(_3DSTATE_W_STATE_CMD);
+ OUT_BATCH(MAGIC_W_STATE_DWORD1);
+ OUT_BATCH(0x3f800000 /* 1.0 in IEEE float */ );
+
+
+ OUT_BATCH(_3DSTATE_COLOR_FACTOR_CMD);
+ OUT_BATCH(0x80808080); /* .5 required in alpha for GL_DOT3_RGBA_EXT */
+
+ ADVANCE_BATCH();
+}
+
+
+#define emit( intel, state, size ) \
+do { \
+ int k; \
+ BEGIN_BATCH( size / sizeof(GLuint)); \
+ for (k = 0 ; k < size / sizeof(GLuint) ; k++) \
+ OUT_BATCH(state[k]); \
+ ADVANCE_BATCH(); \
+} while (0);
+
+
+/* Push the state into the sarea and/or texture memory.
+ */
+static void i830_emit_state( intelContextPtr intel )
+{
+ i830ContextPtr i830 = I830_CONTEXT(intel);
+ struct i830_hw_state *state = i830->current;
+ BATCH_LOCALS;
+ int i;
+ GLuint dirty = state->active & ~state->emitted;
+
+ if (dirty & I830_UPLOAD_CTX) {
+ if (VERBOSE) fprintf(stderr, "I830_UPLOAD_CTX:\n");
+ emit( i830, state->Ctx, sizeof(state->Ctx) );
+ }
+
+ if (dirty & I830_UPLOAD_BUFFERS) {
+ if (VERBOSE) fprintf(stderr, "I830_UPLOAD_BUFFERS:\n");
+ emit( i830, state->Buffer, sizeof(state->Buffer) );
+ }
+
+ if (dirty & I830_UPLOAD_STIPPLE) {
+ if (VERBOSE) fprintf(stderr, "I830_UPLOAD_STIPPLE:\n");
+ emit( i830, state->Stipple, sizeof(state->Stipple) );
+ }
+
+ for (i = 0; i < I830_TEX_UNITS; i++) {
+ if ((dirty & I830_UPLOAD_TEX(i))) {
+ if (VERBOSE) fprintf(stderr, "I830_UPLOAD_TEX(%d):\n", i);
+ emit( i830, state->Tex[i], sizeof(state->Tex[i]));
+ }
+
+ if (dirty & I830_UPLOAD_TEXBLEND(i)) {
+ if (VERBOSE) fprintf(stderr, "I830_UPLOAD_TEXBLEND(%d):\n", i);
+ emit( i830, state->TexBlend[i],
+ state->TexBlendWordsUsed[i] * 4 );
+ }
+ }
+
+ state->emitted |= dirty;
+}
+
+static void i830_destroy_context( intelContextPtr intel )
+{
+ _tnl_free_vertices(&intel->ctx);
+}
+
+static void i830_set_draw_offset( intelContextPtr intel, int offset )
+{
+ i830ContextPtr i830 = I830_CONTEXT(intel);
+ I830_STATECHANGE( i830, I830_UPLOAD_BUFFERS );
+ i830->state.Buffer[I830_DESTREG_CBUFADDR2] = offset;
+}
+
+/* This isn't really handled at the moment.
+ */
+static void i830_lost_hardware( intelContextPtr intel )
+{
+ I830_CONTEXT(intel)->state.emitted = 0;
+}
+
+
+
+static void i830_emit_flush( intelContextPtr intel )
+{
+ BATCH_LOCALS;
+
+ BEGIN_BATCH(2);
+ OUT_BATCH( MI_FLUSH | FLUSH_MAP_CACHE );
+ OUT_BATCH( 0 );
+ ADVANCE_BATCH();
+}
+
+
+
+
+void i830InitVtbl( i830ContextPtr i830 )
+{
+ i830->intel.vtbl.alloc_tex_obj = i830AllocTexObj;
+ i830->intel.vtbl.check_vertex_size = i830_check_vertex_size;
+ i830->intel.vtbl.clear_with_tris = i830ClearWithTris;
+ i830->intel.vtbl.destroy = i830_destroy_context;
+ i830->intel.vtbl.emit_invarient_state = i830_emit_invarient_state;
+ i830->intel.vtbl.emit_state = i830_emit_state;
+ i830->intel.vtbl.lost_hardware = i830_lost_hardware;
+ i830->intel.vtbl.reduced_primitive_state = i830_reduced_primitive_state;
+ i830->intel.vtbl.set_draw_offset = i830_set_draw_offset;
+ i830->intel.vtbl.update_texture_state = i830UpdateTextureState;
+ i830->intel.vtbl.emit_flush = i830_emit_flush;
+ i830->intel.vtbl.render_start = i830_render_start;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "i915_context.h"
+#include "imports.h"
+#include "intel_tex.h"
+#include "intel_tris.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+#include "tnl/t_vertex.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/tnl.h"
+#include "array_cache/acache.h"
+
+#include "utils.h"
+#include "i915_reg.h"
+
+/***************************************
+ * Mesa's Driver Functions
+ ***************************************/
+
+
+static const char * const card_extensions[] =
+{
+ "GL_ARB_fragment_program",
+ "GL_ARB_texture_cube_map",
+ "GL_EXT_blend_equation_separate",
+ "GL_ATI_blend_equation_separate",
+ "GL_ARB_point_parameters",
+ NULL
+};
+
+/* Override intel default.
+ */
+static void i915InvalidateState( GLcontext *ctx, GLuint new_state )
+{
+ _swrast_InvalidateState( ctx, new_state );
+ _swsetup_InvalidateState( ctx, new_state );
+ _ac_InvalidateState( ctx, new_state );
+ _tnl_InvalidateState( ctx, new_state );
+ _tnl_invalidate_vertex_state( ctx, new_state );
+ INTEL_CONTEXT(ctx)->NewGLState |= new_state;
+
+ /* Todo: gather state values under which tracked parameters become
+ * invalidated, add callbacks for things like
+ * ProgramLocalParameters, etc.
+ */
+ {
+ struct i915_fragment_program *p =
+ (struct i915_fragment_program *)ctx->FragmentProgram.Current;
+ if (p->nr_params)
+ p->params_uptodate = 0;
+ }
+
+}
+
+/* This is the extension list explicitly enabled by the client and
+ * excludes functionality available in Mesa and also excludes legacy
+ * extensions. It is recognized that in an open source driver, those
+ * extensions will probably be re-enabled.
+ */
+static const GLubyte *i915GetString( GLcontext *ctx, GLenum name )
+{
+ if (name == GL_EXTENSIONS)
+ return
+ "GL_ARB_fragment_program "
+ "GL_ARB_multitexture "
+ "GL_ARB_point_parameters "
+ "GL_ARB_texture_border_clamp "
+ "GL_ARB_texture_compression "
+ "GL_ARB_texture_cube_map "
+ "GL_ARB_texture_env_add "
+ "GL_ARB_texture_env_combine "
+ "GL_ARB_texture_env_dot3 "
+ "GL_ARB_texture_mirrored_repeat "
+ "GL_ARB_transpose_matrix "
+ "GL_ARB_vertex_buffer_object "
+ "GL_ARB_vertex_program "
+ "GL_ARB_window_pos "
+ "GL_EXT_abgr "
+ "GL_EXT_bgra "
+ "GL_EXT_blend_color "
+ "GL_EXT_blend_func_separate "
+ "GL_EXT_blend_minmax "
+ "GL_EXT_blend_subtract "
+ "GL_EXT_clip_volume_hint "
+ "GL_EXT_compiled_vertex_array "
+ "GL_EXT_draw_range_elements "
+ "GL_EXT_fog_coord "
+ "GL_EXT_multi_draw_arrays "
+ "GL_EXT_packed_pixels "
+ "GL_EXT_rescale_normal "
+ "GL_EXT_secondary_color "
+ "GL_EXT_separate_specular_color "
+ "GL_EXT_stencil_wrap "
+ "GL_EXT_texture3D "
+ "GL_EXT_texture_env_add "
+ "GL_EXT_texture_env_combine "
+ "GL_EXT_texture_filter_anisotropic "
+ "GL_IBM_texture_mirrored_repeat "
+ "GL_MESA_ycbcr_texture "
+ "GL_MESA_window_pos "
+ "GL_NV_texgen_reflection "
+ "GL_SGIS_generate_mipmap";
+
+ return intelGetString( ctx, name );
+}
+
+
+static void i915InitDriverFunctions( struct dd_function_table *functions )
+{
+ intelInitDriverFunctions( functions );
+ i915InitStateFunctions( functions );
+ i915InitTextureFuncs( functions );
+ i915InitFragProgFuncs( functions );
+ functions->UpdateState = i915InvalidateState;
+ functions->GetString = i915GetString;
+}
+
+
+
+GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate)
+{
+ struct dd_function_table functions;
+ i915ContextPtr i915 = (i915ContextPtr) CALLOC_STRUCT(i915_context);
+ intelContextPtr intel = &i915->intel;
+ GLcontext *ctx = &intel->ctx;
+
+ if (!i915) return GL_FALSE;
+
+ i915InitVtbl( i915 );
+
+ i915InitDriverFunctions( &functions );
+
+ if (!intelInitContext( intel, mesaVis, driContextPriv,
+ sharedContextPrivate, &functions )) {
+ FREE(i915);
+ return GL_FALSE;
+ }
+
+ ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
+ ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS;
+ ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS;
+
+ intel->nr_heaps = 1;
+ intel->texture_heaps[0] =
+ driCreateTextureHeap( 0, intel,
+ intel->intelScreen->textureSize,
+ 12,
+ I830_NR_TEX_REGIONS,
+ intel->sarea->texList,
+ & intel->sarea->texAge,
+ & intel->swapped,
+ sizeof( struct i915_texture_object ),
+ (destroy_texture_object_t *)intelDestroyTexObj );
+
+ /* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are tightly
+ * FIXME: packed, but they're not in Intel graphics hardware.
+ */
+ ctx->Const.MaxTextureUnits = 1;
+ driCalculateMaxTextureLevels( intel->texture_heaps,
+ intel->nr_heaps,
+ &intel->ctx.Const,
+ 4,
+ 11, /* max 2D texture size is 2048x2048 */
+ 8, /* 3D texture */
+ 11, /* cube texture. */
+ 0, /* max RECT. supported, but not enabled */
+ 12,
+ GL_FALSE );
+ ctx->Const.MaxTextureUnits = I915_TEX_UNITS;
+
+ /* GL_ARB_fragment_program limits - don't think Mesa actually
+ * validates programs against these, and in any case one ARB
+ * instruction can translate to more than one HW instruction, so
+ * we'll still have to check and fallback each time.
+ */
+
+ ctx->Const.MaxFragmentProgramTemps = I915_MAX_TEMPORARY;
+ ctx->Const.MaxFragmentProgramAttribs = 11; /* 8 tex, 2 color, fog */
+ ctx->Const.MaxFragmentProgramLocalParams = I915_MAX_CONSTANT;
+ ctx->Const.MaxFragmentProgramEnvParams = I915_MAX_CONSTANT;
+ ctx->Const.MaxFragmentProgramAluInstructions = I915_MAX_ALU_INSN;
+ ctx->Const.MaxFragmentProgramTexInstructions = I915_MAX_TEX_INSN;
+ ctx->Const.MaxFragmentProgramInstructions = (I915_MAX_ALU_INSN +
+ I915_MAX_TEX_INSN);
+ ctx->Const.MaxFragmentProgramTexIndirections = I915_MAX_TEX_INDIRECT;
+ ctx->Const.MaxFragmentProgramAddressRegs = 0; /* I don't think we have one */
+
+
+ driInitExtensions( ctx, card_extensions, GL_FALSE );
+
+
+ _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
+ 36 * sizeof(GLfloat) );
+
+ intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf;
+
+ i915InitState( i915 );
+
+ return GL_TRUE;
+}
+
--- /dev/null
+ /**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef I915CONTEXT_INC
+#define I915CONTEXT_INC
+
+#include "intel_context.h"
+
+#define I915_FALLBACK_TEXTURE 0x1000
+#define I915_FALLBACK_COLORMASK 0x2000
+#define I915_FALLBACK_STENCIL 0x4000
+#define I915_FALLBACK_STIPPLE 0x8000
+#define I915_FALLBACK_PROGRAM 0x10000
+#define I915_FALLBACK_LOGICOP 0x20000
+
+#define I915_UPLOAD_CTX 0x1
+#define I915_UPLOAD_BUFFERS 0x2
+#define I915_UPLOAD_STIPPLE 0x4
+#define I915_UPLOAD_PROGRAM 0x8
+#define I915_UPLOAD_CONSTANTS 0x10
+#define I915_UPLOAD_FOG 0x20
+#define I915_UPLOAD_TEX(i) (0x00010000<<(i))
+#define I915_UPLOAD_TEX_ALL (0x00ff0000)
+#define I915_UPLOAD_TEX_0_SHIFT 16
+
+
+/* State structure offsets - these will probably disappear.
+ */
+#define I915_DESTREG_CBUFADDR0 0
+#define I915_DESTREG_CBUFADDR1 1
+#define I915_DESTREG_CBUFADDR2 2
+#define I915_DESTREG_DBUFADDR0 3
+#define I915_DESTREG_DBUFADDR1 4
+#define I915_DESTREG_DBUFADDR2 5
+#define I915_DESTREG_DV0 6
+#define I915_DESTREG_DV1 7
+#define I915_DESTREG_SENABLE 8
+#define I915_DESTREG_SR0 9
+#define I915_DESTREG_SR1 10
+#define I915_DESTREG_SR2 11
+#define I915_DEST_SETUP_SIZE 12
+
+#define I915_CTXREG_STATE4 0
+#define I915_CTXREG_LI 1
+#define I915_CTXREG_LIS2 2
+#define I915_CTXREG_LIS4 3
+#define I915_CTXREG_LIS5 4
+#define I915_CTXREG_LIS6 5
+#define I915_CTXREG_IAB 6
+#define I915_CTXREG_BLENDCOLOR0 7
+#define I915_CTXREG_BLENDCOLOR1 8
+#define I915_CTX_SETUP_SIZE 9
+
+#define I915_FOGREG_COLOR 0
+#define I915_FOGREG_MODE0 1
+#define I915_FOGREG_MODE1 2
+#define I915_FOGREG_MODE2 3
+#define I915_FOGREG_MODE3 4
+#define I915_FOG_SETUP_SIZE 5
+
+#define I915_STPREG_ST0 0
+#define I915_STPREG_ST1 1
+#define I915_STP_SETUP_SIZE 2
+
+#define I915_TEXREG_MS2 0
+#define I915_TEXREG_MS3 1
+#define I915_TEXREG_MS4 2
+#define I915_TEXREG_SS2 3
+#define I915_TEXREG_SS3 4
+#define I915_TEXREG_SS4 5
+#define I915_TEX_SETUP_SIZE 6
+
+#define I915_MAX_CONSTANT 32
+#define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
+
+
+#define I915_PROGRAM_SIZE 192
+
+
+/* Hardware version of a parsed fragment program. "Derived" from the
+ * mesa fragment_program struct.
+ */
+struct i915_fragment_program {
+ struct fragment_program FragProg;
+
+ GLboolean translated;
+ GLboolean params_uptodate;
+ GLboolean on_hardware;
+ GLboolean error; /* If program is malformed for any reason. */
+
+ GLuint nr_tex_indirect;
+ GLuint nr_tex_insn;
+ GLuint nr_alu_insn;
+ GLuint nr_decl_insn;
+
+
+
+
+ /* TODO: split between the stored representation of a program and
+ * the state used to build that representation.
+ */
+ GLcontext *ctx;
+
+ GLuint declarations[I915_PROGRAM_SIZE];
+ GLuint program[I915_PROGRAM_SIZE];
+
+ GLfloat constant[I915_MAX_CONSTANT][4];
+ GLuint constant_flags[I915_MAX_CONSTANT];
+ GLuint nr_constants;
+
+ GLuint *csr; /* Cursor, points into program.
+ */
+
+ GLuint *decl; /* Cursor, points into declarations.
+ */
+
+ GLuint decl_s; /* flags for which s regs need to be decl'd */
+ GLuint decl_t; /* flags for which t regs need to be decl'd */
+
+ GLuint temp_flag; /* Tracks temporary regs which are in
+ * use.
+ */
+
+ GLuint utemp_flag; /* Tracks TYPE_U temporary regs which are in
+ * use.
+ */
+
+
+
+ /* Helpers for i915_fragprog.c:
+ */
+ GLuint wpos_tex;
+ GLboolean depth_written;
+
+ struct {
+ GLuint reg; /* Hardware constant idx */
+ const GLfloat *values; /* Pointer to tracked values */
+ } param[I915_MAX_CONSTANT];
+ GLuint nr_params;
+
+
+
+
+ /* Helpers for i915_texprog.c:
+ */
+ GLuint src_texture; /* Reg containing sampled texture color,
+ * else UREG_BAD.
+ */
+
+ GLuint src_previous; /* Reg containing color from previous
+ * stage. May need to be decl'd.
+ */
+
+ GLuint last_tex_stage; /* Number of last enabled texture unit */
+
+ struct vertex_buffer *VB;
+};
+
+
+
+
+
+
+struct i915_texture_object
+{
+ struct intel_texture_object intel;
+ GLenum lastTarget;
+ GLboolean refs_border_color;
+ GLuint Setup[I915_TEX_SETUP_SIZE];
+};
+
+#define I915_TEX_UNITS 8
+
+
+struct i915_hw_state {
+ GLuint Ctx[I915_CTX_SETUP_SIZE];
+ GLuint Buffer[I915_DEST_SETUP_SIZE];
+ GLuint Stipple[I915_STP_SETUP_SIZE];
+ GLuint Fog[I915_FOG_SETUP_SIZE];
+ GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
+ GLuint Constant[I915_CONSTANT_SIZE];
+ GLuint ConstantSize;
+ GLuint Program[I915_PROGRAM_SIZE];
+ GLuint ProgramSize;
+ GLuint active; /* I915_UPLOAD_* */
+ GLuint emitted; /* I915_UPLOAD_* */
+};
+
+#define I915_FOG_PIXEL 2
+#define I915_FOG_VERTEX 1
+#define I915_FOG_NONE 0
+
+struct i915_context
+{
+ struct intel_context intel;
+
+ GLuint last_ReallyEnabled;
+ GLuint vertex_fog;
+
+ struct i915_fragment_program tex_program;
+ struct i915_fragment_program *current_program;
+
+ struct i915_hw_state meta, initial, state, *current;
+};
+
+
+typedef struct i915_context *i915ContextPtr;
+typedef struct i915_texture_object *i915TextureObjectPtr;
+
+#define I915_CONTEXT(ctx) ((i915ContextPtr)(ctx))
+
+
+
+#define I915_STATECHANGE(i915, flag) \
+do { \
+ if (0) fprintf(stderr, "I915_STATECHANGE %x in %s\n", flag, __FUNCTION__); \
+ INTEL_FIREVERTICES( &(i915)->intel ); \
+ (i915)->state.emitted &= ~(flag); \
+} while (0)
+
+#define I915_ACTIVESTATE(i915, flag, mode) \
+do { \
+ if (0) fprintf(stderr, "I915_ACTIVESTATE %x %d in %s\n", \
+ flag, mode, __FUNCTION__); \
+ INTEL_FIREVERTICES( &(i915)->intel ); \
+ if (mode) \
+ (i915)->state.active |= (flag); \
+ else \
+ (i915)->state.active &= ~(flag); \
+} while (0)
+
+
+/*======================================================================
+ * i915_vtbl.c
+ */
+extern void i915InitVtbl( i915ContextPtr i915 );
+
+
+
+#define SZ_TO_HW(sz) ((sz-2)&0x3)
+#define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
+#define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
+do { \
+ intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
+ intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
+ s4 |= S4; \
+ intel->vertex_attr_count++; \
+ offset += (SZ); \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
+ intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
+ intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
+ intel->vertex_attr_count++; \
+ offset += (N); \
+} while (0)
+
+
+
+/*======================================================================
+ * i915_context.c
+ */
+extern GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate);
+
+
+/*======================================================================
+ * i915_texprog.c
+ */
+extern void i915ValidateTextureProgram( i915ContextPtr i915 );
+
+
+/*======================================================================
+ * i915_debug.c
+ */
+extern void i915_disassemble_program( const GLuint *program, GLuint sz );
+extern void i915_print_ureg( const char *msg, GLuint ureg );
+
+
+/*======================================================================
+ * i915_state.c
+ */
+extern void i915InitStateFunctions( struct dd_function_table *functions );
+extern void i915InitState( i915ContextPtr i915 );
+
+
+/*======================================================================
+ * i915_tex.c
+ */
+extern void i915UpdateTextureState( intelContextPtr intel );
+extern void i915InitTextureFuncs( struct dd_function_table *functions );
+extern intelTextureObjectPtr i915AllocTexObj( struct gl_texture_object *texObj );
+
+/*======================================================================
+ * i915_metaops.c
+ */
+extern GLboolean
+i915TryTextureReadPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *pack,
+ GLvoid *pixels );
+
+extern GLboolean
+i915TryTextureDrawPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid *pixels );
+
+extern void
+i915ClearWithTris( intelContextPtr intel, GLbitfield mask,
+ GLboolean all, GLint cx, GLint cy, GLint cw, GLint ch);
+
+
+/*======================================================================
+ * i915_fragprog.c
+ */
+extern void i915ValidateFragmentProgram( i915ContextPtr i915 );
+extern void i915InitFragProgFuncs( struct dd_function_table *functions );
+
+#endif
+
--- /dev/null
+#include "i915_reg.h"
+#include "i915_context.h"
+#include <stdio.h>
+
+
+static const char *opcodes[0x20] = {
+ "NOP",
+ "ADD",
+ "MOV",
+ "MUL",
+ "MAD",
+ "DP2ADD",
+ "DP3",
+ "DP4",
+ "FRC",
+ "RCP",
+ "RSQ",
+ "EXP",
+ "LOG",
+ "CMP",
+ "MIN",
+ "MAX",
+ "FLR",
+ "MOD",
+ "TRC",
+ "SGE",
+ "SLT",
+ "TEXLD",
+ "TEXLDP",
+ "TEXLDB",
+ "TEXKILL",
+ "DCL",
+ "0x1a",
+ "0x1b",
+ "0x1c",
+ "0x1d",
+ "0x1e",
+ "0x1f",
+};
+
+
+static const int args[0x20] = {
+ 0, /* 0 nop */
+ 2, /* 1 add */
+ 1, /* 2 mov */
+ 2, /* 3 m ul */
+ 3, /* 4 mad */
+ 3, /* 5 dp2add */
+ 2, /* 6 dp3 */
+ 2, /* 7 dp4 */
+ 1, /* 8 frc */
+ 1, /* 9 rcp */
+ 1, /* a rsq */
+ 1, /* b exp */
+ 1, /* c log */
+ 3, /* d cmp */
+ 2, /* e min */
+ 2, /* f max */
+ 1, /* 10 flr */
+ 1, /* 11 mod */
+ 1, /* 12 trc */
+ 2, /* 13 sge */
+ 2, /* 14 slt */
+ 1,
+ 1,
+ 1,
+ 1,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+};
+
+
+static const char *regname[0x8] = {
+ "R",
+ "T",
+ "CONST",
+ "S",
+ "OC",
+ "OD",
+ "U",
+ "UNKNOWN",
+};
+
+static void print_reg_type_nr( GLuint type, GLuint nr )
+{
+ switch (type) {
+ case REG_TYPE_T:
+ switch (nr) {
+ case T_DIFFUSE: fprintf(stderr, "T_DIFFUSE"); return;
+ case T_SPECULAR: fprintf(stderr, "T_SPECULAR"); return;
+ case T_FOG_W: fprintf(stderr, "T_FOG_W"); return;
+ default: fprintf(stderr, "T_TEX%d", nr); return;
+ }
+ case REG_TYPE_OC:
+ if (nr == 0) {
+ fprintf(stderr, "oC");
+ return;
+ }
+ break;
+ case REG_TYPE_OD:
+ if (nr == 0) {
+ fprintf(stderr, "oD");
+ return;
+ }
+ break;
+ default:
+ break;
+ }
+
+ fprintf(stderr, "%s[%d]", regname[type], nr);
+}
+
+#define REG_SWIZZLE_MASK 0x7777
+#define REG_NEGATE_MASK 0x8888
+
+#define REG_SWIZZLE_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) | \
+ (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) | \
+ (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) | \
+ (SRC_W << A2_SRC2_CHANNEL_W_SHIFT))
+
+
+static void print_reg_neg_swizzle( GLuint reg )
+{
+ int i;
+
+ if ((reg & REG_SWIZZLE_MASK) == REG_SWIZZLE_XYZW &&
+ (reg & REG_NEGATE_MASK) == 0)
+ return;
+
+ fprintf(stderr, ".");
+
+ for (i = 3 ; i >= 0; i--) {
+ if (reg & (1<<((i*4)+3)))
+ fprintf(stderr, "-");
+
+ switch ((reg>>(i*4)) & 0x7) {
+ case 0: fprintf(stderr, "x"); break;
+ case 1: fprintf(stderr, "y"); break;
+ case 2: fprintf(stderr, "z"); break;
+ case 3: fprintf(stderr, "w"); break;
+ case 4: fprintf(stderr, "0"); break;
+ case 5: fprintf(stderr, "1"); break;
+ default: fprintf(stderr, "?"); break;
+ }
+ }
+}
+
+
+static void print_src_reg( GLuint dword )
+{
+ GLuint nr = (dword >> A2_SRC2_NR_SHIFT) & REG_NR_MASK;
+ GLuint type = (dword >> A2_SRC2_TYPE_SHIFT) & REG_TYPE_MASK;
+ print_reg_type_nr( type, nr );
+ print_reg_neg_swizzle( dword );
+}
+
+void i915_print_ureg( const char *msg, GLuint ureg )
+{
+ fprintf(stderr, "%s: ", msg);
+ print_src_reg( ureg >> 8 );
+ fprintf(stderr, "\n");
+}
+
+static void print_dest_reg( GLuint dword )
+{
+ GLuint nr = (dword >> A0_DEST_NR_SHIFT) & REG_NR_MASK;
+ GLuint type = (dword >> A0_DEST_TYPE_SHIFT) & REG_TYPE_MASK;
+ print_reg_type_nr( type, nr );
+ if ((dword & A0_DEST_CHANNEL_ALL) == A0_DEST_CHANNEL_ALL)
+ return;
+ fprintf(stderr, ".");
+ if (dword & A0_DEST_CHANNEL_X) fprintf(stderr, "x");
+ if (dword & A0_DEST_CHANNEL_Y) fprintf(stderr, "y");
+ if (dword & A0_DEST_CHANNEL_Z) fprintf(stderr, "z");
+ if (dword & A0_DEST_CHANNEL_W) fprintf(stderr, "w");
+}
+
+
+#define GET_SRC0_REG(r0, r1) ((r0<<14)|(r1>>A1_SRC0_CHANNEL_W_SHIFT))
+#define GET_SRC1_REG(r0, r1) ((r0<<8)|(r1>>A2_SRC1_CHANNEL_W_SHIFT))
+#define GET_SRC2_REG(r) (r)
+
+
+static void print_arith_op( GLuint opcode, const GLuint *program )
+{
+ if (opcode != A0_NOP) {
+ print_dest_reg(program[0]);
+ if (program[0] & A0_DEST_SATURATE)
+ fprintf(stderr, " = SATURATE ");
+ else
+ fprintf(stderr, " = ");
+ }
+
+ fprintf(stderr, "%s ", opcodes[opcode]);
+
+ print_src_reg(GET_SRC0_REG(program[0], program[1]));
+ if (args[opcode] == 1) {
+ fprintf(stderr, "\n");
+ return;
+ }
+
+ fprintf(stderr, ", ");
+ print_src_reg(GET_SRC1_REG(program[1], program[2]));
+ if (args[opcode] == 2) {
+ fprintf(stderr, "\n");
+ return;
+ }
+
+ fprintf(stderr, ", ");
+ print_src_reg(GET_SRC2_REG(program[2]));
+ fprintf(stderr, "\n");
+ return;
+}
+
+
+static void print_tex_op( GLuint opcode, const GLuint *program )
+{
+ print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
+ fprintf(stderr, " = ");
+
+ fprintf(stderr, "%s ", opcodes[opcode]);
+
+ fprintf(stderr, "S[%d],",
+ program[0] & T0_SAMPLER_NR_MASK);
+
+ print_reg_type_nr( (program[1]>>T1_ADDRESS_REG_TYPE_SHIFT) & REG_TYPE_MASK,
+ (program[1]>>T1_ADDRESS_REG_NR_SHIFT) & REG_NR_MASK );
+ fprintf(stderr, "\n");
+}
+
+static void print_dcl_op( GLuint opcode, const GLuint *program )
+{
+ fprintf(stderr, "%s ", opcodes[opcode]);
+ print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
+ fprintf(stderr, "\n");
+}
+
+
+void i915_disassemble_program( const GLuint *program, GLuint sz )
+{
+ GLuint size = program[0] & 0x1ff;
+ GLint i;
+
+ fprintf(stderr, "BEGIN\n");
+
+ if (size+2 != sz) {
+ fprintf(stderr, "%s: program size mismatch %d/%d\n", __FUNCTION__,
+ size+2, sz);
+ exit(1);
+ }
+
+ program ++;
+ for (i = 1 ; i < sz ; i+=3, program+=3) {
+ GLuint opcode = program[0] & (0x1f<<24);
+
+ if (opcode >= A0_NOP && opcode <= A0_SLT)
+ print_arith_op(opcode >> 24, program);
+ else if (opcode >= T0_TEXLD && opcode <= T0_TEXKILL)
+ print_tex_op(opcode >> 24, program);
+ else if (opcode == D0_DCL)
+ print_dcl_op(opcode >> 24, program);
+ else
+ fprintf(stderr, "Unknown opcode 0x%x\n", opcode);
+ }
+
+ fprintf(stderr, "END\n\n");
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "macros.h"
+#include "enums.h"
+
+#include "tnl/t_context.h"
+#include "intel_batchbuffer.h"
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_program.h"
+
+#include "nvfragprog.h"
+#include "program.h"
+#include "arbfragparse.h"
+
+
+
+
+#define PI 3.141592
+
+
+/* 1, -1/3!, 1/5!, -1/7! */
+static const GLfloat sin_constants[4] = { 1.0,
+ -1.0/(3*2*1),
+ 1.0/(5*4*3*2*1),
+ -1.0/(7*6*5*4*3*2*1) };
+
+/* 1, -1/2!, 1/4!, -1/6! */
+static const GLfloat cos_constants[4] = { 1.0,
+ -1.0/(2*1),
+ 1.0/(4*3*2*1),
+ -1.0/(6*5*4*3*2*1) };
+
+/**
+ * Retrieve a ureg for the given source register. Will emit
+ * constants, apply swizzling and negation as needed.
+ */
+static GLuint src_vector( struct i915_fragment_program *p,
+ const struct fp_src_register *source,
+ const struct fragment_program *program )
+{
+ GLuint src;
+
+ switch (source->File) {
+
+ /* Registers:
+ */
+ case PROGRAM_TEMPORARY:
+ if (source->Index >= I915_MAX_TEMPORARY) {
+ i915_program_error( p, "Exceeded max temporary reg" );
+ return 0;
+ }
+ src = UREG( REG_TYPE_R, source->Index );
+ break;
+ case PROGRAM_INPUT:
+ switch (source->Index) {
+ case FRAG_ATTRIB_WPOS:
+ src = i915_emit_decl( p, REG_TYPE_T, p->wpos_tex, D0_CHANNEL_ALL );
+ break;
+ case FRAG_ATTRIB_COL0:
+ src = i915_emit_decl( p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL );
+ break;
+ case FRAG_ATTRIB_COL1:
+ src = i915_emit_decl( p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_XYZ );
+ src = swizzle( src, X, Y, Z, ONE );
+ break;
+ case FRAG_ATTRIB_FOGC:
+ src = i915_emit_decl( p, REG_TYPE_T, T_FOG_W, D0_CHANNEL_W );
+ src = swizzle( src, W, W, W, W );
+ break;
+ case FRAG_ATTRIB_TEX0:
+ case FRAG_ATTRIB_TEX1:
+ case FRAG_ATTRIB_TEX2:
+ case FRAG_ATTRIB_TEX3:
+ case FRAG_ATTRIB_TEX4:
+ case FRAG_ATTRIB_TEX5:
+ case FRAG_ATTRIB_TEX6:
+ case FRAG_ATTRIB_TEX7:
+ src = i915_emit_decl( p, REG_TYPE_T,
+ T_TEX0 + (source->Index - FRAG_ATTRIB_TEX0),
+ D0_CHANNEL_ALL );
+ break;
+
+ default:
+ i915_program_error( p, "Bad source->Index" );
+ return 0;
+ }
+ break;
+
+ /* Various paramters and env values. All emitted to
+ * hardware as program constants.
+ */
+ case PROGRAM_LOCAL_PARAM:
+ src = i915_emit_param4fv(
+ p, program->Base.LocalParams[source->Index]);
+ break;
+
+ case PROGRAM_ENV_PARAM:
+ src = i915_emit_param4fv(
+ p, p->ctx->FragmentProgram.Parameters[source->Index]);
+ break;
+
+ case PROGRAM_STATE_VAR:
+ case PROGRAM_NAMED_PARAM:
+ src = i915_emit_param4fv(
+ p, program->Parameters->Parameters[source->Index].Values );
+ break;
+
+ default:
+ i915_program_error( p, "Bad source->File" );
+ return 0;
+ }
+
+ src = swizzle(src,
+ source->Swizzle[0],
+ source->Swizzle[1],
+ source->Swizzle[2],
+ source->Swizzle[3]);
+
+ if (source->NegateBase)
+ src = negate( src, 1,1,1,1 );
+
+ return src;
+}
+
+
+static GLuint get_result_vector( struct i915_fragment_program *p,
+ const struct fp_instruction *inst )
+{
+ switch (inst->DstReg.File) {
+ case PROGRAM_OUTPUT:
+ switch (inst->DstReg.Index) {
+ case 0:
+ return UREG(REG_TYPE_OC, 0);
+ case 1:
+ p->depth_written = 1;
+ return UREG(REG_TYPE_OD, 0);
+ default:
+ i915_program_error( p, "Bad inst->DstReg.Index" );
+ return 0;
+ }
+ case PROGRAM_TEMPORARY:
+ return UREG(REG_TYPE_R, inst->DstReg.Index);
+ default:
+ i915_program_error( p, "Bad inst->DstReg.File" );
+ return 0;
+ }
+}
+
+static GLuint get_result_flags( const struct fp_instruction *inst )
+{
+ GLuint flags = 0;
+
+ if (inst->Saturate) flags |= A0_DEST_SATURATE;
+ if (inst->DstReg.WriteMask[0]) flags |= A0_DEST_CHANNEL_X;
+ if (inst->DstReg.WriteMask[1]) flags |= A0_DEST_CHANNEL_Y;
+ if (inst->DstReg.WriteMask[2]) flags |= A0_DEST_CHANNEL_Z;
+ if (inst->DstReg.WriteMask[3]) flags |= A0_DEST_CHANNEL_W;
+
+ return flags;
+}
+
+static GLuint translate_tex_src_bit( struct i915_fragment_program *p,
+ GLubyte bit )
+{
+ switch (bit) {
+ case TEXTURE_1D_BIT: return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_2D_BIT: return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_RECT_BIT: return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_3D_BIT: return D0_SAMPLE_TYPE_VOLUME;
+ case TEXTURE_CUBE_BIT: return D0_SAMPLE_TYPE_CUBE;
+ default: i915_program_error(p, "TexSrcBit"); return 0;
+ }
+}
+
+#define EMIT_TEX( OP ) \
+do { \
+ GLuint dim = translate_tex_src_bit( p, inst->TexSrcBit ); \
+ GLuint sampler = i915_emit_decl(p, REG_TYPE_S, \
+ inst->TexSrcUnit, dim); \
+ GLuint coord = src_vector( p, &inst->SrcReg[0], program); \
+ /* Texel lookup */ \
+ \
+ i915_emit_texld( p, \
+ get_result_vector( p, inst ), \
+ get_result_flags( inst ), \
+ sampler, \
+ coord, \
+ OP); \
+} while (0)
+
+#define EMIT_ARITH( OP, N ) \
+do { \
+ i915_emit_arith( p, \
+ OP, \
+ get_result_vector( p, inst ), \
+ get_result_flags( inst ), 0, \
+ (N<1)?0:src_vector( p, &inst->SrcReg[0], program), \
+ (N<2)?0:src_vector( p, &inst->SrcReg[1], program), \
+ (N<3)?0:src_vector( p, &inst->SrcReg[2], program)); \
+} while (0)
+
+#define EMIT_1ARG_ARITH( OP ) EMIT_ARITH( OP, 1 )
+#define EMIT_2ARG_ARITH( OP ) EMIT_ARITH( OP, 2 )
+#define EMIT_3ARG_ARITH( OP ) EMIT_ARITH( OP, 3 )
+
+
+/* Possible concerns:
+ *
+ * SIN, COS -- could use another taylor step?
+ * LIT -- results seem a little different to sw mesa
+ * LOG -- different to mesa on negative numbers, but this is conformant.
+ *
+ * Parse failures -- Mesa doesn't currently give a good indication
+ * internally whether a particular program string parsed or not. This
+ * can lead to confusion -- hopefully we cope with it ok now.
+ *
+ */
+static void upload_program( struct i915_fragment_program *p )
+{
+ const struct fragment_program *program = p->ctx->FragmentProgram.Current;
+ const struct fp_instruction *inst = program->Instructions;
+
+/* _mesa_debug_fp_inst(program->Base.NumInstructions, inst); */
+
+ /* Is this a parse-failed program? Ensure a valid program is
+ * loaded, as the flagging of an error isn't sufficient to stop
+ * this being uploaded to hardware.
+ */
+ if (inst[0].Opcode == FP_OPCODE_END) {
+ GLuint tmp = i915_get_utemp( p );
+ i915_emit_arith( p,
+ A0_MOV,
+ UREG(REG_TYPE_OC, 0),
+ A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp,ONE,ZERO,ONE,ONE), 0, 0);
+ return;
+ }
+
+ while (1) {
+ GLuint src0, src1, src2, flags;
+ GLuint tmp = 0;
+
+ switch (inst->Opcode) {
+ case FP_OPCODE_ABS:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ i915_emit_arith( p,
+ A0_MAX,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ src0, negate(src0, 1,1,1,1), 0);
+ break;
+
+ case FP_OPCODE_ADD:
+ EMIT_2ARG_ARITH( A0_ADD );
+ break;
+
+ case FP_OPCODE_CMP:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+ src2 = src_vector( p, &inst->SrcReg[2], program);
+ i915_emit_arith( p,
+ A0_CMP,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ src0, src2, src1); /* NOTE: order of src2, src1 */
+ break;
+
+ case FP_OPCODE_COS:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp( p );
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ src0,
+ i915_emit_const1f(p, 1.0/(PI * 2)),
+ 0);
+
+ i915_emit_arith( p,
+ A0_MOD,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ 0, 0 );
+
+ /* By choosing different taylor constants, could get rid of this mul:
+ */
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ i915_emit_const1f(p, (PI * 2)),
+ 0);
+
+ /*
+ * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
+ * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, 1
+ * t0 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
+ * result = DP4 t0, cos_constants
+ */
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XY, 0,
+ swizzle(tmp, X,X,ONE,ONE),
+ swizzle(tmp, X,ONE,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XYZ, 0,
+ swizzle(tmp, X,Y,X,ONE),
+ swizzle(tmp, X,X,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XYZ, 0,
+ swizzle(tmp, X,X,Z,ONE),
+ swizzle(tmp, Z,ONE,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_DP4,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(tmp, ONE,Z,Y,X),
+ i915_emit_const4fv( p, cos_constants ), 0);
+
+ break;
+
+ case FP_OPCODE_DP3:
+ EMIT_2ARG_ARITH( A0_DP3 );
+ break;
+
+ case FP_OPCODE_DP4:
+ EMIT_2ARG_ARITH( A0_DP4 );
+ break;
+
+ case FP_OPCODE_DPH:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+
+ i915_emit_arith( p,
+ A0_DP4,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0, X,Y,Z,ONE), src1, 0);
+ break;
+
+ case FP_OPCODE_DST:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+
+ /* result[0] = 1 * 1;
+ * result[1] = a[1] * b[1];
+ * result[2] = a[2] * 1;
+ * result[3] = 1 * b[3];
+ */
+ i915_emit_arith( p,
+ A0_MUL,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0, ONE, Y, Z, ONE),
+ swizzle(src1, ONE, Y, ONE, W ),
+ 0);
+ break;
+
+ case FP_OPCODE_EX2:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+
+ i915_emit_arith( p,
+ A0_EXP,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0,X,X,X,X), 0, 0);
+ break;
+
+ case FP_OPCODE_FLR:
+ EMIT_1ARG_ARITH( A0_FLR );
+ break;
+
+ case FP_OPCODE_FRC:
+ EMIT_1ARG_ARITH( A0_FRC );
+ break;
+
+ case FP_OPCODE_KIL:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp( p );
+
+ i915_emit_texld( p,
+ tmp, A0_DEST_CHANNEL_ALL, /* use a dummy dest reg */
+ 0,
+ src0,
+ T0_TEXKILL );
+ break;
+
+ case FP_OPCODE_LG2:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+
+ i915_emit_arith( p,
+ A0_LOG,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0,X,X,X,X), 0, 0);
+ break;
+
+ case FP_OPCODE_LIT:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp( p );
+
+ /* tmp = max( a.xyzw, a.00zw )
+ * XXX: Clamp tmp.w to -128..128
+ * tmp.y = log(tmp.y)
+ * tmp.y = tmp.w * tmp.y
+ * tmp.y = exp(tmp.y)
+ * result = cmp (a.11-x1, a.1x01, a.1xy1 )
+ */
+ i915_emit_arith( p, A0_MAX, tmp, A0_DEST_CHANNEL_ALL, 0,
+ src0, swizzle(src0, ZERO, ZERO, Z, W), 0 );
+
+ i915_emit_arith( p, A0_LOG, tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, Y, Y, Y, Y), 0, 0 );
+
+ i915_emit_arith( p, A0_MUL, tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, ZERO, Y, ZERO, ZERO),
+ swizzle(tmp, ZERO, W, ZERO, ZERO), 0 );
+
+ i915_emit_arith( p, A0_EXP, tmp, A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp, Y, Y, Y, Y), 0, 0 );
+
+ i915_emit_arith( p, A0_CMP,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ negate(swizzle(tmp, ONE, ONE, X, ONE),0,0,1,0),
+ swizzle(tmp, ONE, X, ZERO, ONE),
+ swizzle(tmp, ONE, X, Y, ONE));
+
+ break;
+
+ case FP_OPCODE_LRP:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+ src2 = src_vector( p, &inst->SrcReg[2], program);
+ flags = get_result_flags( inst );
+ tmp = i915_get_utemp( p );
+
+ /* b*a + c*(1-a)
+ *
+ * b*a + c - ca
+ *
+ * tmp = b*a + c,
+ * result = (-c)*a + tmp
+ */
+ i915_emit_arith( p, A0_MAD, tmp,
+ flags & A0_DEST_CHANNEL_ALL, 0,
+ src1, src0, src2 );
+
+ i915_emit_arith( p, A0_MAD,
+ get_result_vector( p, inst ),
+ flags, 0,
+ negate(src2, 1,1,1,1), src0, tmp );
+ break;
+
+ case FP_OPCODE_MAD:
+ EMIT_3ARG_ARITH( A0_MAD );
+ break;
+
+ case FP_OPCODE_MAX:
+ EMIT_2ARG_ARITH( A0_MAX );
+ break;
+
+ case FP_OPCODE_MIN:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+ tmp = i915_get_utemp( p );
+ flags = get_result_flags( inst );
+
+ i915_emit_arith( p,
+ A0_MAX,
+ tmp, flags & A0_DEST_CHANNEL_ALL, 0,
+ negate(src0,1,1,1,1),
+ negate(src1,1,1,1,1), 0);
+
+ i915_emit_arith( p,
+ A0_MOV,
+ get_result_vector( p, inst ),
+ flags, 0,
+ negate(tmp, 1,1,1,1), 0, 0);
+ break;
+
+ case FP_OPCODE_MOV:
+ EMIT_1ARG_ARITH( A0_MOV );
+ break;
+
+ case FP_OPCODE_MUL:
+ EMIT_2ARG_ARITH( A0_MUL );
+ break;
+
+ case FP_OPCODE_POW:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+ tmp = i915_get_utemp( p );
+ flags = get_result_flags( inst );
+
+ /* XXX: masking on intermediate values, here and elsewhere.
+ */
+ i915_emit_arith( p,
+ A0_LOG,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ swizzle(src0,X,X,X,X), 0, 0);
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp, src1, 0);
+
+
+ i915_emit_arith( p,
+ A0_EXP,
+ get_result_vector( p, inst ),
+ flags, 0,
+ swizzle(tmp,X,X,X,X), 0, 0);
+
+ break;
+
+ case FP_OPCODE_RCP:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+
+ i915_emit_arith( p,
+ A0_RCP,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0,X,X,X,X), 0, 0);
+ break;
+
+ case FP_OPCODE_RSQ:
+
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+
+ i915_emit_arith( p,
+ A0_RSQ,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0,X,X,X,X), 0, 0);
+ break;
+
+ case FP_OPCODE_SCS:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp( p );
+
+ /*
+ * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
+ * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
+ * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
+ * scs.x = DP4 t1, sin_constants
+ * t1 = MUL t0.xxz1 t0.z111 ; x^6 x^4 x^2 1
+ * scs.y = DP4 t1, cos_constants
+ */
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XY, 0,
+ swizzle(src0, X,X,ONE,ONE),
+ swizzle(src0, X,ONE,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, X,Y,X,Y),
+ swizzle(tmp, X,X,ONE,ONE), 0);
+
+ if (inst->DstReg.WriteMask[1]) {
+ GLuint tmp1;
+
+ if (inst->DstReg.WriteMask[0])
+ tmp1 = i915_get_utemp( p );
+ else
+ tmp1 = tmp;
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp1, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, X,Y,Y,W),
+ swizzle(tmp, X,Z,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_DP4,
+ get_result_vector( p, inst ),
+ A0_DEST_CHANNEL_Y, 0,
+ swizzle(tmp1, W,Z,Y,X),
+ i915_emit_const4fv( p, sin_constants ), 0);
+ }
+
+ if (inst->DstReg.WriteMask[0]) {
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XYZ, 0,
+ swizzle(tmp, X,X,Z,ONE),
+ swizzle(tmp, Z,ONE,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_DP4,
+ get_result_vector( p, inst ),
+ A0_DEST_CHANNEL_X, 0,
+ swizzle(tmp, ONE,Z,Y,X),
+ i915_emit_const4fv( p, cos_constants ), 0);
+ }
+ break;
+
+ case FP_OPCODE_SGE:
+ EMIT_2ARG_ARITH( A0_SGE );
+ break;
+
+ case FP_OPCODE_SIN:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ tmp = i915_get_utemp( p );
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ src0,
+ i915_emit_const1f(p, 1.0/(PI * 2)),
+ 0);
+
+ i915_emit_arith( p,
+ A0_MOD,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ 0, 0 );
+
+ /* By choosing different taylor constants, could get rid of this mul:
+ */
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_X, 0,
+ tmp,
+ i915_emit_const1f(p, (PI * 2)),
+ 0);
+
+ /*
+ * t0.xy = MUL x.xx11, x.x1111 ; x^2, x, 1, 1
+ * t0 = MUL t0.xyxy t0.xx11 ; x^4, x^3, x^2, x
+ * t1 = MUL t0.xyyw t0.yz11 ; x^7 x^5 x^3 x
+ * result = DP4 t1.wzyx, sin_constants
+ */
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_XY, 0,
+ swizzle(tmp, X,X,ONE,ONE),
+ swizzle(tmp, X,ONE,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, X,Y,X,Y),
+ swizzle(tmp, X,X,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(tmp, X,Y,Y,W),
+ swizzle(tmp, X,Z,ONE,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_DP4,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(tmp, W, Z, Y, X ),
+ i915_emit_const4fv( p, sin_constants ), 0);
+ break;
+
+ case FP_OPCODE_SLT:
+ EMIT_2ARG_ARITH( A0_SLT );
+ break;
+
+ case FP_OPCODE_SUB:
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+
+ i915_emit_arith( p,
+ A0_ADD,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ src0, negate(src1, 1,1,1,1), 0);
+ break;
+
+ case FP_OPCODE_SWZ:
+ EMIT_1ARG_ARITH( A0_MOV ); /* extended swizzle handled natively */
+ break;
+
+ case FP_OPCODE_TEX:
+ EMIT_TEX( T0_TEXLD );
+ break;
+
+ case FP_OPCODE_TXB:
+ EMIT_TEX( T0_TEXLDB );
+ break;
+
+ case FP_OPCODE_TXP:
+ EMIT_TEX( T0_TEXLDP );
+ break;
+
+ case FP_OPCODE_XPD:
+ /* Cross product:
+ * result.x = src0.y * src1.z - src0.z * src1.y;
+ * result.y = src0.z * src1.x - src0.x * src1.z;
+ * result.z = src0.x * src1.y - src0.y * src1.x;
+ * result.w = undef;
+ */
+ src0 = src_vector( p, &inst->SrcReg[0], program);
+ src1 = src_vector( p, &inst->SrcReg[1], program);
+ tmp = i915_get_utemp( p );
+
+ i915_emit_arith( p,
+ A0_MUL,
+ tmp, A0_DEST_CHANNEL_ALL, 0,
+ swizzle(src0,Z,X,Y,ONE),
+ swizzle(src1,Y,Z,X,ONE), 0);
+
+ i915_emit_arith( p,
+ A0_MAD,
+ get_result_vector( p, inst ),
+ get_result_flags( inst ), 0,
+ swizzle(src0,Y,Z,X,ONE),
+ swizzle(src1,Z,X,Y,ONE),
+ negate(tmp,1,1,1,0));
+ break;
+
+ case FP_OPCODE_END:
+ return;
+
+ default:
+ i915_program_error( p, "bad opcode" );
+ return;
+ }
+
+ inst++;
+ i915_release_utemps( p );
+ }
+}
+
+/* Rather than trying to intercept and jiggle depth writes during
+ * emit, just move the value into its correct position at the end of
+ * the program:
+ */
+static void fixup_depth_write( struct i915_fragment_program *p )
+{
+ if (p->depth_written) {
+ GLuint depth = UREG(REG_TYPE_OD, 0);
+
+ i915_emit_arith( p,
+ A0_MOV,
+ depth, A0_DEST_CHANNEL_W, 0,
+ swizzle(depth,X,Y,Z,Z),
+ 0, 0);
+ }
+}
+
+
+#define FRAG_BIT_TEX(n) (FRAG_BIT_TEX0 << (n))
+
+
+static void check_wpos( struct i915_fragment_program *p )
+{
+ GLuint inputs = p->FragProg.InputsRead;
+ GLint i;
+
+ p->wpos_tex = 0;
+
+ for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
+ if (inputs & FRAG_BIT_TEX(i))
+ continue;
+ else if (inputs & FRAG_BIT_WPOS) {
+ p->wpos_tex = i;
+ inputs &= ~FRAG_BIT_WPOS;
+ }
+ }
+
+ if (inputs & FRAG_BIT_WPOS) {
+ i915_program_error(p, "No free texcoord for wpos value");
+ }
+}
+
+
+static void translate_program( struct i915_fragment_program *p )
+{
+ i915ContextPtr i915 = I915_CONTEXT(p->ctx);
+
+ i915_init_program( i915, p );
+ check_wpos( p );
+ upload_program( p );
+ fixup_depth_write( p );
+ i915_fini_program( p );
+
+ p->translated = 1;
+}
+
+
+static void track_params( struct i915_fragment_program *p )
+{
+ GLint i;
+
+ if (p->nr_params)
+ _mesa_load_state_parameters(p->ctx, p->FragProg.Parameters);
+
+ for (i = 0; i < p->nr_params; i++) {
+ GLint reg = p->param[i].reg;
+ COPY_4V( p->constant[reg], p->param[i].values );
+ }
+
+ p->params_uptodate = 1;
+ p->on_hardware = 0; /* overkill */
+}
+
+
+static void i915BindProgram( GLcontext *ctx,
+ GLenum target,
+ struct program *prog )
+{
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+
+ if (i915->current_program == p)
+ return;
+
+ if (i915->current_program) {
+ i915->current_program->on_hardware = 0;
+ i915->current_program->params_uptodate = 0;
+ }
+
+ i915->current_program = p;
+
+ assert(p->on_hardware == 0);
+ assert(p->params_uptodate == 0);
+
+ /* Hack: make sure fog is correctly enabled according to this
+ * fragment program's fog options.
+ */
+ ctx->Driver.Enable( ctx, GL_FRAGMENT_PROGRAM_ARB,
+ ctx->FragmentProgram.Enabled );
+ }
+}
+
+static struct program *i915NewProgram( GLcontext *ctx,
+ GLenum target,
+ GLuint id )
+{
+ switch (target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ return _mesa_init_vertex_program( ctx, CALLOC_STRUCT(vertex_program),
+ target, id );
+
+ case GL_FRAGMENT_PROGRAM_ARB: {
+ struct i915_fragment_program *prog = CALLOC_STRUCT(i915_fragment_program);
+ if (prog) {
+ i915_init_program( I915_CONTEXT(ctx), prog );
+
+ return _mesa_init_fragment_program( ctx, &prog->FragProg,
+ target, id );
+ }
+ else
+ return NULL;
+ }
+
+ case GL_FRAGMENT_PROGRAM_NV:
+ default:
+ _mesa_problem(ctx, "bad target in _mesa_new_program");
+ return NULL;
+ }
+}
+
+static void i915DeleteProgram( GLcontext *ctx,
+ struct program *prog )
+{
+ if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+
+ if (i915->current_program == p)
+ i915->current_program = 0;
+ }
+
+ _mesa_delete_program( ctx, prog );
+}
+
+
+static GLboolean i915IsProgramNative( GLcontext *ctx,
+ GLenum target,
+ struct program *prog )
+{
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+
+ if (!p->translated)
+ translate_program( p );
+
+ return !p->error;
+ }
+ else
+ return GL_TRUE;
+}
+
+static void i915ProgramStringNotify( GLcontext *ctx,
+ GLenum target,
+ struct program *prog )
+{
+ if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ struct i915_fragment_program *p = (struct i915_fragment_program *)prog;
+ p->translated = 0;
+
+ /* Hack: make sure fog is correctly enabled according to this
+ * fragment program's fog options.
+ */
+ ctx->Driver.Enable( ctx, GL_FRAGMENT_PROGRAM_ARB,
+ ctx->FragmentProgram.Enabled );
+ }
+}
+
+
+void i915ValidateFragmentProgram( i915ContextPtr i915 )
+{
+ GLcontext *ctx = &i915->intel.ctx;
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+
+ struct i915_fragment_program *p =
+ (struct i915_fragment_program *)ctx->FragmentProgram.Current;
+
+ GLuint inputsRead = p->FragProg.InputsRead;
+ GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
+ GLuint s2 = S2_TEXCOORD_NONE;
+ int i, offset = 0;
+
+ /* Important:
+ */
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+
+ if (!p->translated)
+ translate_program( p );
+
+ intel->vertex_attr_count = 0;
+ intel->wpos_offset = 0;
+ intel->wpos_size = 0;
+ intel->coloroffset = 0;
+ intel->specoffset = 0;
+
+ if (inputsRead & FRAG_BITS_TEX_ANY) {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16 );
+ }
+ else {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12 );
+ }
+
+ if (inputsRead & FRAG_BIT_COL0) {
+ intel->coloroffset = offset / 4;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, S4_VFMT_COLOR, 4 );
+ }
+
+ if (inputsRead & FRAG_BIT_COL1) {
+ intel->specoffset = offset / 4;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, S4_VFMT_SPEC_FOG, 3 );
+ EMIT_PAD( 1 );
+ }
+
+ if (inputsRead & FRAG_BIT_FOGC) {
+ EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, S4_VFMT_FOG_PARAM, 4 );
+ }
+
+ for (i = 0; i < p->ctx->Const.MaxTextureCoordUnits; i++) {
+ if (inputsRead & FRAG_BIT_TEX(i)) {
+ int sz = VB->TexCoordPtr[i]->size;
+
+ s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
+ s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
+
+ EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_SZ(sz), 0, sz * 4 );
+ }
+ else if (i == p->wpos_tex) {
+
+ /* If WPOS is required, duplicate the XYZ position data in an
+ * unused texture coordinate:
+ */
+ s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
+ s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(3));
+
+ intel->wpos_offset = offset;
+ intel->wpos_size = 3 * sizeof(GLuint);
+
+ EMIT_PAD( intel->wpos_size );
+ }
+ }
+
+ if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] ||
+ s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
+
+ I915_STATECHANGE( i915, I915_UPLOAD_CTX );
+
+ /* Must do this *after* statechange, so as not to affect
+ * buffered vertices reliant on the old state:
+ */
+ intel->vertex_size = _tnl_install_attrs( &intel->ctx,
+ intel->vertex_attrs,
+ intel->vertex_attr_count,
+ intel->ViewportMatrix.m, 0 );
+
+ intel->vertex_size >>= 2;
+
+ i915->state.Ctx[I915_CTXREG_LIS2] = s2;
+ i915->state.Ctx[I915_CTXREG_LIS4] = s4;
+
+ assert(intel->vtbl.check_vertex_size( intel, intel->vertex_size ));
+ }
+
+ if (!p->params_uptodate)
+ track_params( p );
+
+ if (!p->on_hardware)
+ i915_upload_program( i915, p );
+}
+
+void i915InitFragProgFuncs( struct dd_function_table *functions )
+{
+ functions->BindProgram = i915BindProgram;
+ functions->NewProgram = i915NewProgram;
+ functions->DeleteProgram = i915DeleteProgram;
+ functions->IsProgramNative = i915IsProgramNative;
+ functions->ProgramStringNotify = i915ProgramStringNotify;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "enums.h"
+#include "mtypes.h"
+#include "macros.h"
+#include "utils.h"
+
+#include "intel_screen.h"
+#include "intel_batchbuffer.h"
+#include "intel_ioctl.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+/* A large amount of state doesn't need to be uploaded.
+ */
+#define ACTIVE (I915_UPLOAD_PROGRAM | \
+ I915_UPLOAD_STIPPLE | \
+ I915_UPLOAD_CTX | \
+ I915_UPLOAD_BUFFERS | \
+ I915_UPLOAD_TEX(0))
+
+#define SET_STATE( i915, STATE ) \
+do { \
+ i915->current->emitted &= ~ACTIVE; \
+ i915->current = &i915->STATE; \
+ i915->current->emitted &= ~ACTIVE; \
+} while (0)
+
+/* Operations where the 3D engine is decoupled temporarily from the
+ * current GL state and used for other purposes than simply rendering
+ * incoming triangles.
+ */
+static void set_initial_state( i915ContextPtr i915 )
+{
+ memcpy(&i915->meta, &i915->initial, sizeof(i915->meta) );
+ i915->meta.active = ACTIVE;
+ i915->meta.emitted = 0;
+}
+
+
+static void set_no_depth_stencil_write( i915ContextPtr i915 )
+{
+ /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_FALSE )
+ */
+ i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE);
+
+ /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
+ */
+ i915->meta.Ctx[I915_CTXREG_LIS6] &= ~(S6_DEPTH_TEST_ENABLE |
+ S6_DEPTH_WRITE_ENABLE);
+
+ i915->meta.emitted &= ~I915_UPLOAD_CTX;
+}
+
+/* Set stencil unit to replace always with the reference value.
+ */
+static void set_stencil_replace( i915ContextPtr i915,
+ GLuint s_mask,
+ GLuint s_clear)
+{
+ GLuint op = STENCILOP_REPLACE;
+ GLuint func = COMPAREFUNC_ALWAYS;
+
+ /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_TRUE )
+ */
+ i915->meta.Ctx[I915_CTXREG_LIS5] |= (S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE);
+
+
+ /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
+ */
+ i915->meta.Ctx[I915_CTXREG_LIS6] &= ~(S6_DEPTH_TEST_ENABLE |
+ S6_DEPTH_WRITE_ENABLE);
+
+
+ /* ctx->Driver.StencilMask( ctx, s_mask )
+ */
+ i915->meta.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
+
+ i915->meta.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(s_mask));
+
+
+ /* ctx->Driver.StencilOp( ctx, GL_REPLACE, GL_REPLACE, GL_REPLACE )
+ */
+ i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_FAIL_MASK |
+ S5_STENCIL_PASS_Z_FAIL_MASK |
+ S5_STENCIL_PASS_Z_PASS_MASK);
+
+ i915->meta.Ctx[I915_CTXREG_LIS5] |= ((op << S5_STENCIL_FAIL_SHIFT) |
+ (op << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (op << S5_STENCIL_PASS_Z_PASS_SHIFT));
+
+
+ /* ctx->Driver.StencilFunc( ctx, GL_ALWAYS, s_ref, ~0 )
+ */
+ i915->meta.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
+ i915->meta.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(0xff));
+
+ i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_REF_MASK |
+ S5_STENCIL_TEST_FUNC_MASK);
+
+ i915->meta.Ctx[I915_CTXREG_LIS5] |= ((s_clear << S5_STENCIL_REF_SHIFT) |
+ (func << S5_STENCIL_TEST_FUNC_SHIFT));
+
+
+ i915->meta.emitted &= ~I915_UPLOAD_CTX;
+}
+
+
+static void set_color_mask( i915ContextPtr i915, GLboolean state )
+{
+ const GLuint mask = (S5_WRITEDISABLE_RED |
+ S5_WRITEDISABLE_GREEN |
+ S5_WRITEDISABLE_BLUE |
+ S5_WRITEDISABLE_ALPHA);
+
+ /* Copy colormask state from "regular" hw context.
+ */
+ if (state) {
+ i915->meta.Ctx[I915_CTXREG_LIS5] &= ~mask;
+ i915->meta.Ctx[I915_CTXREG_LIS5] |=
+ (i915->state.Ctx[I915_CTXREG_LIS5] & mask);
+ }
+ else
+ i915->meta.Ctx[I915_CTXREG_LIS5] |= mask;
+
+ i915->meta.emitted &= ~I915_UPLOAD_CTX;
+}
+
+
+
+
+#define REG( type, nr ) (((type)<<5)|(nr))
+
+#define REG_R(x) REG(REG_TYPE_R, x)
+#define REG_T(x) REG(REG_TYPE_T, x)
+#define REG_CONST(x) REG(REG_TYPE_CONST, x)
+#define REG_S(x) REG(REG_TYPE_S, x)
+#define REG_OC REG(REG_TYPE_OC, 0)
+#define REG_OD REG(REG_TYPE_OD, 0)
+#define REG_U(x) REG(REG_TYPE_U, x)
+
+#define REG_T_DIFFUSE REG(REG_TYPE_T, T_DIFFUSE)
+#define REG_T_SPECULAR REG(REG_TYPE_T, T_SPECULAR)
+#define REG_T_FOG_W REG(REG_TYPE_T, T_FOG_W)
+#define REG_T_TEX(x) REG(REG_TYPE_T, x)
+
+
+#define A0_DEST_REG( reg ) ( (reg) << A0_DEST_NR_SHIFT )
+#define A0_SRC0_REG( reg ) ( (reg) << A0_SRC0_NR_SHIFT )
+#define A1_SRC1_REG( reg ) ( (reg) << A1_SRC1_NR_SHIFT )
+#define A1_SRC2_REG( reg ) ( (reg) << A1_SRC2_NR_SHIFT )
+#define A2_SRC2_REG( reg ) ( (reg) << A2_SRC2_NR_SHIFT )
+#define D0_DECL_REG( reg ) ( (reg) << D0_NR_SHIFT )
+#define T0_DEST_REG( reg ) ( (reg) << T0_DEST_NR_SHIFT )
+
+#define T0_SAMPLER( unit ) ((unit)<<T0_SAMPLER_NR_SHIFT)
+
+#define T1_ADDRESS_REG( type, nr ) (((type)<<T1_ADDRESS_REG_TYPE_SHIFT)| \
+ ((nr)<<T1_ADDRESS_REG_NR_SHIFT))
+
+
+#define A1_SRC0_XYZW ((SRC_X << A1_SRC0_CHANNEL_X_SHIFT) | \
+ (SRC_Y << A1_SRC0_CHANNEL_Y_SHIFT) | \
+ (SRC_Z << A1_SRC0_CHANNEL_Z_SHIFT) | \
+ (SRC_W << A1_SRC0_CHANNEL_W_SHIFT))
+
+#define A1_SRC1_XY ((SRC_X << A1_SRC1_CHANNEL_X_SHIFT) | \
+ (SRC_Y << A1_SRC1_CHANNEL_Y_SHIFT))
+
+#define A2_SRC1_ZW ((SRC_Z << A2_SRC1_CHANNEL_Z_SHIFT) | \
+ (SRC_W << A2_SRC1_CHANNEL_W_SHIFT))
+
+#define A2_SRC2_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) | \
+ (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) | \
+ (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) | \
+ (SRC_W << A2_SRC2_CHANNEL_W_SHIFT))
+
+
+
+
+
+static void set_no_texture( i915ContextPtr i915 )
+{
+ static const GLuint prog[] = {
+ _3DSTATE_PIXEL_SHADER_PROGRAM,
+
+ /* Declare incoming diffuse color:
+ */
+ (D0_DCL |
+ D0_DECL_REG( REG_T_DIFFUSE ) |
+ D0_CHANNEL_ALL),
+ D1_MBZ,
+ D2_MBZ,
+
+ /* output-color = mov(t_diffuse)
+ */
+ (A0_MOV |
+ A0_DEST_REG( REG_OC ) |
+ A0_DEST_CHANNEL_ALL |
+ A0_SRC0_REG( REG_T_DIFFUSE )),
+ (A1_SRC0_XYZW),
+ 0,
+ };
+
+
+ memcpy( i915->meta.Program, prog, sizeof(prog) );
+ i915->meta.ProgramSize = sizeof(prog) / sizeof(*prog);
+ i915->meta.Program[0] |= i915->meta.ProgramSize - 2;
+ i915->meta.emitted &= ~I915_UPLOAD_PROGRAM;
+}
+
+
+static void enable_texture_blend_replace( i915ContextPtr i915 )
+{
+ static const GLuint prog[] = {
+ _3DSTATE_PIXEL_SHADER_PROGRAM,
+
+ /* Declare the sampler:
+ */
+ (D0_DCL |
+ D0_DECL_REG( REG_S(0) ) |
+ D0_SAMPLE_TYPE_2D |
+ D0_CHANNEL_NONE),
+ D1_MBZ,
+ D2_MBZ,
+
+ /* Declare the interpolated texture coordinate:
+ */
+ (D0_DCL |
+ D0_DECL_REG( REG_T_TEX(0) ) |
+ D0_CHANNEL_ALL),
+ D1_MBZ,
+ D2_MBZ,
+
+ /* output-color = texld(sample0, texcoord0)
+ */
+ (T0_TEXLD |
+ T0_DEST_REG( REG_OC ) |
+ T0_SAMPLER( 0 )),
+ T1_ADDRESS_REG(REG_TYPE_T, 0),
+ T2_MBZ
+ };
+
+ memcpy( i915->meta.Program, prog, sizeof(prog) );
+ i915->meta.ProgramSize = sizeof(prog) / sizeof(*prog);
+ i915->meta.Program[0] |= i915->meta.ProgramSize - 2;
+ i915->meta.emitted &= ~I915_UPLOAD_PROGRAM;
+}
+
+
+
+
+
+/* Set up an arbitary piece of memory as a rectangular texture
+ * (including the front or back buffer).
+ */
+static void set_tex_rect_source( i915ContextPtr i915,
+ GLuint offset,
+ GLuint width,
+ GLuint height,
+ GLuint pitch,
+ GLuint textureFormat )
+{
+ GLuint unit = 0;
+ GLint numLevels = 1;
+ GLuint *state = i915->meta.Tex[0];
+
+ pitch *= i915->intel.intelScreen->cpp;
+
+/* fprintf(stderr, "%s: offset: %x w: %d h: %d pitch %d format %x\n", */
+/* __FUNCTION__, offset, width, height, pitch, textureFormat ); */
+
+ state[I915_TEXREG_MS2] = offset;
+ state[I915_TEXREG_MS3] = (((height - 1) << MS3_HEIGHT_SHIFT) |
+ ((width - 1) << MS3_WIDTH_SHIFT) |
+ textureFormat |
+ MS3_USE_FENCE_REGS);
+
+ state[I915_TEXREG_MS4] = ((((pitch / 4) - 1) << MS4_PITCH_SHIFT) |
+ MS4_CUBE_FACE_ENA_MASK |
+ ((((numLevels-1) * 4)) << MS4_MAX_LOD_SHIFT));
+
+ state[I915_TEXREG_SS2] = ((FILTER_NEAREST << SS2_MIN_FILTER_SHIFT) |
+ (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT) |
+ (FILTER_NEAREST << SS2_MAG_FILTER_SHIFT));
+ state[I915_TEXREG_SS3] = ((TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT) |
+ (TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT) |
+ (TEXCOORDMODE_WRAP << SS3_TCZ_ADDR_MODE_SHIFT) |
+ (unit<<SS3_TEXTUREMAP_INDEX_SHIFT));
+
+ state[I915_TEXREG_SS4] = 0;
+
+ i915->meta.emitted &= ~I915_UPLOAD_TEX(0);
+}
+
+
+/* Select between front and back draw buffers.
+ */
+static void set_draw_offset( i915ContextPtr i915,
+ GLuint offset )
+{
+ i915->meta.Buffer[I915_DESTREG_CBUFADDR2] = offset;
+ i915->meta.emitted &= ~I915_UPLOAD_BUFFERS;
+}
+
+/* Setup an arbitary draw format, useful for targeting texture or agp
+ * memory.
+ */
+static void set_draw_format( i915ContextPtr i915,
+ GLuint format,
+ GLuint depth_format)
+{
+ i915->meta.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ format |
+ LOD_PRECLAMP_OGL |
+ TEX_DEFAULT_COLOR_OGL |
+ depth_format);
+
+ i915->meta.emitted &= ~I915_UPLOAD_BUFFERS;
+/* fprintf(stderr, "%s: DV1: %x\n", */
+/* __FUNCTION__, i915->meta.Buffer[I915_DESTREG_DV1]); */
+}
+
+static void set_vertex_format( i915ContextPtr i915 )
+{
+ i915->meta.Ctx[I915_CTXREG_LIS2] =
+ (S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D) |
+ S2_TEXCOORD_FMT(1, TEXCOORDFMT_NOT_PRESENT) |
+ S2_TEXCOORD_FMT(2, TEXCOORDFMT_NOT_PRESENT) |
+ S2_TEXCOORD_FMT(3, TEXCOORDFMT_NOT_PRESENT) |
+ S2_TEXCOORD_FMT(4, TEXCOORDFMT_NOT_PRESENT) |
+ S2_TEXCOORD_FMT(5, TEXCOORDFMT_NOT_PRESENT) |
+ S2_TEXCOORD_FMT(6, TEXCOORDFMT_NOT_PRESENT) |
+ S2_TEXCOORD_FMT(7, TEXCOORDFMT_NOT_PRESENT));
+
+ i915->meta.Ctx[I915_CTXREG_LIS4] &= ~S4_VFMT_MASK;
+
+ i915->meta.Ctx[I915_CTXREG_LIS4] |=
+ (S4_VFMT_COLOR |
+ S4_VFMT_SPEC_FOG |
+ S4_VFMT_XYZW);
+
+ i915->meta.emitted &= ~I915_UPLOAD_CTX;
+
+}
+
+
+static void draw_quad(i915ContextPtr i915,
+ GLfloat x0, GLfloat x1,
+ GLfloat y0, GLfloat y1,
+ GLubyte red, GLubyte green,
+ GLubyte blue, GLubyte alpha,
+ GLfloat s0, GLfloat s1,
+ GLfloat t0, GLfloat t1 )
+{
+ GLuint vertex_size = 8;
+ GLuint *vb = intelEmitInlinePrimitiveLocked( &i915->intel,
+ PRIM3D_TRIFAN,
+ 4 * vertex_size,
+ vertex_size );
+ intelVertex tmp;
+ int i;
+
+ if (0)
+ fprintf(stderr, "%s: %f,%f-%f,%f 0x%x%x%x%x %f,%f-%f,%f\n",
+ __FUNCTION__,
+ x0,y0,x1,y1,red,green,blue,alpha,s0,t0,s1,t1);
+
+
+ /* initial vertex, left bottom */
+ tmp.v.x = x0;
+ tmp.v.y = y0;
+ tmp.v.z = 1.0;
+ tmp.v.w = 1.0;
+ tmp.v.color.red = red;
+ tmp.v.color.green = green;
+ tmp.v.color.blue = blue;
+ tmp.v.color.alpha = alpha;
+ tmp.v.specular.red = 0;
+ tmp.v.specular.green = 0;
+ tmp.v.specular.blue = 0;
+ tmp.v.specular.alpha = 0;
+ tmp.v.u0 = s0;
+ tmp.v.v0 = t0;
+
+ for (i = 0 ; i < vertex_size ; i++)
+ vb[i] = tmp.ui[i];
+
+ /* right bottom */
+ vb += vertex_size;
+ tmp.v.x = x1;
+ tmp.v.u0 = s1;
+ for (i = 0 ; i < vertex_size ; i++)
+ vb[i] = tmp.ui[i];
+
+ /* right top */
+ vb += vertex_size;
+ tmp.v.y = y1;
+ tmp.v.v0 = t1;
+ for (i = 0 ; i < vertex_size ; i++)
+ vb[i] = tmp.ui[i];
+
+ /* left top */
+ vb += vertex_size;
+ tmp.v.x = x0;
+ tmp.v.u0 = s0;
+ for (i = 0 ; i < vertex_size ; i++)
+ vb[i] = tmp.ui[i];
+}
+
+void
+i915ClearWithTris(intelContextPtr intel, GLbitfield mask,
+ GLboolean all,
+ GLint cx, GLint cy, GLint cw, GLint ch)
+{
+ i915ContextPtr i915 = I915_CONTEXT( intel );
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ intelScreenPrivate *screen = intel->intelScreen;
+ int x0, y0, x1, y1;
+
+ SET_STATE( i915, meta );
+ set_initial_state( i915 );
+ set_no_texture( i915 );
+ set_vertex_format( i915 );
+
+ LOCK_HARDWARE(intel);
+
+ if(!all) {
+ x0 = cx;
+ y0 = cy;
+ x1 = x0 + cw;
+ y1 = y0 + ch;
+ } else {
+ x0 = 0;
+ y0 = 0;
+ x1 = x0 + dPriv->w;
+ y1 = y0 + dPriv->h;
+ }
+
+ /* Don't do any clipping to screen - these are window coordinates.
+ * The active cliprects will be applied as for any other geometry.
+ */
+
+ if (mask & DD_FRONT_LEFT_BIT) {
+ set_no_depth_stencil_write( i915 );
+ set_color_mask( i915, GL_TRUE );
+ set_draw_offset( i915, screen->frontOffset );
+
+ draw_quad(i915, x0, x1, y0, y1,
+ intel->clear_red, intel->clear_green,
+ intel->clear_blue, intel->clear_alpha,
+ 0, 0, 0, 0);
+ }
+
+ if(mask & DD_BACK_LEFT_BIT) {
+ set_no_depth_stencil_write( i915 );
+ set_color_mask( i915, GL_TRUE );
+ set_draw_offset( i915, screen->backOffset );
+
+ draw_quad(i915, x0, x1, y0, y1,
+ intel->clear_red, intel->clear_green,
+ intel->clear_blue, intel->clear_alpha,
+ 0, 0, 0, 0);
+ }
+
+ if(mask & DD_STENCIL_BIT) {
+ set_stencil_replace( i915,
+ intel->ctx.Stencil.WriteMask[0],
+ intel->ctx.Stencil.Clear);
+
+ set_color_mask( i915, GL_FALSE );
+ set_draw_offset( i915, screen->frontOffset ); /* could be either? */
+
+ draw_quad( i915, x0, x1, y0, y1, 0, 0, 0, 0, 0, 0, 0, 0 );
+ }
+
+ UNLOCK_HARDWARE(intel);
+
+ SET_STATE( i915, state );
+}
+
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include <strings.h>
+
+#include "glheader.h"
+#include "macros.h"
+#include "enums.h"
+
+#include "tnl/t_context.h"
+#include "intel_batchbuffer.h"
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_program.h"
+
+
+#define A0_DEST( reg ) (((reg)&UREG_TYPE_NR_MASK)>>UREG_A0_DEST_SHIFT_LEFT)
+#define D0_DEST( reg ) (((reg)&UREG_TYPE_NR_MASK)>>UREG_A0_DEST_SHIFT_LEFT)
+#define T0_DEST( reg ) (((reg)&UREG_TYPE_NR_MASK)>>UREG_A0_DEST_SHIFT_LEFT)
+#define A0_SRC0( reg ) (((reg)&UREG_MASK)>>UREG_A0_SRC0_SHIFT_LEFT)
+#define A1_SRC0( reg ) (((reg)&UREG_MASK)<<UREG_A1_SRC0_SHIFT_RIGHT)
+#define A1_SRC1( reg ) (((reg)&UREG_MASK)>>UREG_A1_SRC1_SHIFT_LEFT)
+#define A2_SRC1( reg ) (((reg)&UREG_MASK)<<UREG_A2_SRC1_SHIFT_RIGHT)
+#define A2_SRC2( reg ) (((reg)&UREG_MASK)>>UREG_A2_SRC2_SHIFT_LEFT)
+
+/* These are special, and don't have swizzle/negate bits.
+ */
+#define T0_SAMPLER( reg ) (GET_UREG_NR(reg)<<T0_SAMPLER_NR_SHIFT)
+#define T1_ADDRESS_REG( reg ) ((GET_UREG_NR(reg)<<T1_ADDRESS_REG_NR_SHIFT) | \
+ (GET_UREG_TYPE(reg)<<T1_ADDRESS_REG_TYPE_SHIFT))
+
+
+/* Macros for translating UREG's into the various register fields used
+ * by the I915 programmable unit.
+ */
+#define UREG_A0_DEST_SHIFT_LEFT (UREG_TYPE_SHIFT - A0_DEST_TYPE_SHIFT)
+#define UREG_A0_SRC0_SHIFT_LEFT (UREG_TYPE_SHIFT - A0_SRC0_TYPE_SHIFT)
+#define UREG_A1_SRC0_SHIFT_RIGHT (A1_SRC0_CHANNEL_W_SHIFT - UREG_CHANNEL_W_SHIFT)
+#define UREG_A1_SRC1_SHIFT_LEFT (UREG_TYPE_SHIFT - A1_SRC1_TYPE_SHIFT)
+#define UREG_A2_SRC1_SHIFT_RIGHT (A2_SRC1_CHANNEL_W_SHIFT - UREG_CHANNEL_W_SHIFT)
+#define UREG_A2_SRC2_SHIFT_LEFT (UREG_TYPE_SHIFT - A2_SRC2_TYPE_SHIFT)
+
+#define UREG_MASK 0xffffff00
+#define UREG_TYPE_NR_MASK ((REG_TYPE_MASK << UREG_TYPE_SHIFT) | \
+ (REG_NR_MASK << UREG_NR_SHIFT))
+
+
+#define I915_CONSTFLAG_PARAM 0x1f
+
+GLuint i915_get_temp( struct i915_fragment_program *p )
+{
+ int bit = ffs( ~p->temp_flag );
+ if (!bit) {
+ fprintf(stderr, "%s: out of temporaries\n", __FILE__);
+ exit(1);
+ }
+
+ p->temp_flag |= 1<<(bit-1);
+ return UREG(REG_TYPE_R, (bit-1));
+}
+
+
+GLuint i915_get_utemp( struct i915_fragment_program *p )
+{
+ int bit = ffs( ~p->utemp_flag );
+ if (!bit) {
+ fprintf(stderr, "%s: out of temporaries\n", __FILE__);
+ exit(1);
+ }
+
+ p->utemp_flag |= 1<<(bit-1);
+ return UREG(REG_TYPE_U, (bit-1));
+}
+
+void i915_release_utemps( struct i915_fragment_program *p )
+{
+ p->utemp_flag = ~0x7;
+}
+
+
+GLuint i915_emit_decl( struct i915_fragment_program *p,
+ GLuint type, GLuint nr, GLuint d0_flags )
+{
+ GLuint reg = UREG(type, nr);
+
+ if (type == REG_TYPE_T) {
+ if (p->decl_t & (1<<nr))
+ return reg;
+
+ p->decl_t |= (1<<nr);
+ }
+ else if (type == REG_TYPE_S) {
+ if (p->decl_s & (1<<nr))
+ return reg;
+
+ p->decl_s |= (1<<nr);
+ }
+ else
+ return reg;
+
+ *(p->decl++) = (D0_DCL | D0_DEST( reg ) | d0_flags);
+ *(p->decl++) = D1_MBZ;
+ *(p->decl++) = D2_MBZ;
+
+ p->nr_decl_insn++;
+ return reg;
+}
+
+GLuint i915_emit_arith( struct i915_fragment_program *p,
+ GLuint op,
+ GLuint dest,
+ GLuint mask,
+ GLuint saturate,
+ GLuint src0,
+ GLuint src1,
+ GLuint src2 )
+{
+ GLuint c[3];
+ GLuint nr_const = 0;
+
+ assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST);
+ assert(dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(dest)));
+
+ if (GET_UREG_TYPE(src0) == REG_TYPE_CONST) c[nr_const++] = 0;
+ if (GET_UREG_TYPE(src1) == REG_TYPE_CONST) c[nr_const++] = 1;
+ if (GET_UREG_TYPE(src2) == REG_TYPE_CONST) c[nr_const++] = 2;
+
+ /* Recursively call this function to MOV additional const values
+ * into temporary registers. Use utemp registers for this -
+ * currently shouldn't be possible to run out, but keep an eye on
+ * this.
+ */
+ if (nr_const > 1) {
+ GLuint s[3], first, i, old_utemp_flag;
+
+ s[0] = src0;
+ s[1] = src1;
+ s[2] = src2;
+ old_utemp_flag = p->utemp_flag;
+
+ first = GET_UREG_NR(s[c[0]]);
+ for (i = 1 ; i < nr_const ; i++) {
+ if (GET_UREG_NR(s[c[i]]) != first) {
+ GLuint tmp = i915_get_utemp(p);
+
+ i915_emit_arith( p, A0_MOV, tmp, A0_DEST_CHANNEL_ALL, 0,
+ s[c[i]], 0, 0 );
+ s[c[i]] = tmp;
+ }
+ }
+
+ src0 = s[0];
+ src1 = s[1];
+ src2 = s[2];
+ p->utemp_flag = old_utemp_flag; /* restore */
+ }
+
+ *(p->csr++) = (op |
+ A0_DEST( dest ) |
+ mask |
+ saturate |
+ A0_SRC0( src0 ));
+ *(p->csr++) = (A1_SRC0( src0 ) |
+ A1_SRC1( src1 ));
+ *(p->csr++) = (A2_SRC1( src1 ) |
+ A2_SRC2( src2 ));
+
+ p->nr_alu_insn++;
+ return dest;
+}
+
+GLuint i915_emit_texld( struct i915_fragment_program *p,
+ GLuint dest,
+ GLuint destmask,
+ GLuint sampler,
+ GLuint coord,
+ GLuint op )
+{
+ assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST);
+ assert(dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(dest)));
+
+ if (GET_UREG_TYPE(coord) != REG_TYPE_T) {
+ p->nr_tex_indirect++;
+ }
+
+ *(p->csr++) = (op |
+ T0_DEST( dest ) |
+ destmask |
+ T0_SAMPLER( sampler ));
+
+ *(p->csr++) = T1_ADDRESS_REG( coord );
+ *(p->csr++) = T2_MBZ;
+
+ p->nr_tex_insn++;
+ return dest;
+}
+
+
+GLuint i915_emit_const1f( struct i915_fragment_program *p, GLfloat c0 )
+{
+ GLint reg, idx;
+
+ if (c0 == 0.0) return swizzle(UREG(REG_TYPE_R, 0), ZERO, ZERO, ZERO, ZERO);
+ if (c0 == 1.0) return swizzle(UREG(REG_TYPE_R, 0), ONE, ONE, ONE, ONE );
+
+ for (reg = 0; reg < I915_MAX_CONSTANT; reg++) {
+ if (p->constant_flags[reg] == I915_CONSTFLAG_PARAM)
+ continue;
+ for (idx = 0; idx < 4; idx++) {
+ if (!(p->constant_flags[reg] & (1<<idx)) ||
+ p->constant[reg][idx] == c0) {
+ p->constant[reg][idx] = c0;
+ p->constant_flags[reg] |= 1<<idx;
+ if (reg+1 > p->nr_constants) p->nr_constants = reg+1;
+ return swizzle(UREG(REG_TYPE_CONST, reg),idx,ZERO,ZERO,ONE);
+ }
+ }
+ }
+
+ fprintf(stderr, "%s: out of constants\n", __FUNCTION__);
+ p->error = 1;
+ return 0;
+}
+
+GLuint i915_emit_const2f( struct i915_fragment_program *p,
+ GLfloat c0, GLfloat c1 )
+{
+ GLint reg, idx;
+
+ if (c0 == 0.0) return swizzle(i915_emit_const1f(p, c1), ZERO, X, Z, W);
+ if (c0 == 1.0) return swizzle(i915_emit_const1f(p, c1), ONE, X, Z, W);
+
+ if (c1 == 0.0) return swizzle(i915_emit_const1f(p, c0), X, ZERO, Z, W);
+ if (c1 == 1.0) return swizzle(i915_emit_const1f(p, c0), X, ONE, Z, W);
+
+ for (reg = 0; reg < I915_MAX_CONSTANT; reg++) {
+ if (p->constant_flags[reg] == 0xf ||
+ p->constant_flags[reg] == I915_CONSTFLAG_PARAM)
+ continue;
+ for (idx = 0; idx < 3; idx++) {
+ if (!(p->constant_flags[reg] & (3<<idx))) {
+ p->constant[reg][idx] = c0;
+ p->constant[reg][idx+1] = c1;
+ p->constant_flags[reg] |= 3<<idx;
+ if (reg+1 > p->nr_constants) p->nr_constants = reg+1;
+ return swizzle(UREG(REG_TYPE_CONST, reg),idx,idx+1,ZERO,ONE);
+ }
+ }
+ }
+
+ fprintf(stderr, "%s: out of constants\n", __FUNCTION__);
+ p->error = 1;
+ return 0;
+}
+
+
+
+GLuint i915_emit_const4f( struct i915_fragment_program *p,
+ GLfloat c0, GLfloat c1, GLfloat c2, GLfloat c3 )
+{
+ GLint reg;
+
+ for (reg = 0; reg < I915_MAX_CONSTANT; reg++) {
+ if (p->constant_flags[reg] == 0xf &&
+ p->constant[reg][0] == c0 &&
+ p->constant[reg][1] == c1 &&
+ p->constant[reg][2] == c2 &&
+ p->constant[reg][3] == c3) {
+ return UREG(REG_TYPE_CONST, reg);
+ }
+ else if (p->constant_flags[reg] == 0) {
+ p->constant[reg][0] = c0;
+ p->constant[reg][1] = c1;
+ p->constant[reg][2] = c2;
+ p->constant[reg][3] = c3;
+ p->constant_flags[reg] = 0xf;
+ if (reg+1 > p->nr_constants) p->nr_constants = reg+1;
+ return UREG(REG_TYPE_CONST, reg);
+ }
+ }
+
+ fprintf(stderr, "%s: out of constants\n", __FUNCTION__);
+ p->error = 1;
+ return 0;
+}
+
+
+GLuint i915_emit_const4fv( struct i915_fragment_program *p, const GLfloat *c )
+{
+ return i915_emit_const4f( p, c[0], c[1], c[2], c[3] );
+}
+
+
+GLuint i915_emit_param4fv( struct i915_fragment_program *p,
+ const GLfloat *values )
+{
+ GLint reg, i;
+
+ for (i = 0; i < p->nr_params; i++) {
+ if (p->param[i].values == values)
+ return UREG(REG_TYPE_CONST, p->param[i].reg);
+ }
+
+
+ for (reg = 0; reg < I915_MAX_CONSTANT; reg++) {
+ if (p->constant_flags[reg] == 0) {
+ p->constant_flags[reg] = I915_CONSTFLAG_PARAM;
+ i = p->nr_params++;
+
+ p->param[i].values = values;
+ p->param[i].reg = reg;
+ p->params_uptodate = 0;
+
+ if (reg+1 > p->nr_constants) p->nr_constants = reg+1;
+ return UREG(REG_TYPE_CONST, reg);
+ }
+ }
+
+ fprintf(stderr, "%s: out of constants\n", __FUNCTION__);
+ p->error = 1;
+ return 0;
+}
+
+
+
+
+void i915_program_error( struct i915_fragment_program *p, const GLubyte *msg )
+{
+ fprintf(stderr, "%s\n", msg);
+ p->error = 1;
+}
+
+void i915_init_program( i915ContextPtr i915, struct i915_fragment_program *p )
+{
+ GLcontext *ctx = &i915->intel.ctx;
+ TNLcontext *tnl = TNL_CONTEXT( ctx );
+
+ p->translated = 0;
+ p->params_uptodate = 0;
+ p->on_hardware = 0;
+ p->error = 0;
+
+ p->nr_tex_indirect = 1; /* correct? */
+ p->nr_tex_insn = 0;
+ p->nr_alu_insn = 0;
+ p->nr_decl_insn = 0;
+
+ p->ctx = ctx;
+ memset( p->constant_flags, 0, sizeof(p->constant_flags) );
+
+ p->nr_constants = 0;
+ p->csr = p->program;
+ p->decl = p->declarations;
+ p->decl_s = 0;
+ p->decl_t = 0;
+ p->temp_flag = 0xffff000;
+ p->utemp_flag = ~0x7;
+ p->wpos_tex = 0;
+ p->depth_written = 0;
+ p->nr_params = 0;
+
+ p->src_texture = UREG_BAD;
+ p->src_previous = UREG(REG_TYPE_T, T_DIFFUSE);
+ p->last_tex_stage = 0;
+ p->VB = &tnl->vb;
+
+ *(p->decl++) = _3DSTATE_PIXEL_SHADER_PROGRAM;
+}
+
+
+void i915_fini_program( struct i915_fragment_program *p )
+{
+ GLuint program_size = p->csr - p->program;
+ GLuint decl_size = p->decl - p->declarations;
+
+ if (p->nr_tex_indirect > I915_MAX_TEX_INDIRECT)
+ i915_program_error(p, "Exceeded max nr indirect texture lookups");
+
+ if (p->nr_tex_insn > I915_MAX_TEX_INSN)
+ i915_program_error(p, "Exceeded max TEX instructions");
+
+ if (p->nr_alu_insn > I915_MAX_ALU_INSN)
+ i915_program_error(p, "Exceeded max ALU instructions");
+
+ if (p->nr_decl_insn > I915_MAX_DECL_INSN)
+ i915_program_error(p, "Exceeded max DECL instructions");
+
+ p->declarations[0] |= program_size + decl_size - 2;
+}
+
+void i915_upload_program( i915ContextPtr i915, struct i915_fragment_program *p )
+{
+ GLuint program_size = p->csr - p->program;
+ GLuint decl_size = p->decl - p->declarations;
+
+ FALLBACK( &i915->intel, I915_FALLBACK_PROGRAM, p->error );
+
+ /* Could just go straight to the batchbuffer from here:
+ */
+ if (i915->state.ProgramSize != (program_size + decl_size) ||
+ memcmp(i915->state.Program + decl_size, p->program,
+ program_size*sizeof(int)) != 0) {
+ I915_STATECHANGE( i915, I915_UPLOAD_PROGRAM );
+ memcpy(i915->state.Program, p->declarations, decl_size*sizeof(int));
+ memcpy(i915->state.Program + decl_size, p->program,
+ program_size*sizeof(int));
+ i915->state.ProgramSize = decl_size + program_size;
+ }
+
+ /* Always seemed to get a failure if I used memcmp() to
+ * shortcircuit this state upload. Needs further investigation?
+ */
+ if (p->nr_constants) {
+ GLuint nr = p->nr_constants;
+
+ I915_ACTIVESTATE( i915, I915_UPLOAD_CONSTANTS, 1 );
+ I915_STATECHANGE( i915, I915_UPLOAD_CONSTANTS );
+
+ i915->state.Constant[0] = _3DSTATE_PIXEL_SHADER_CONSTANTS | ((nr) * 4);
+ i915->state.Constant[1] = (1<<(nr-1)) | ((1<<(nr-1))-1);
+
+ memcpy(&i915->state.Constant[2], p->constant, 4*sizeof(int)*(nr));
+ i915->state.ConstantSize = 2 + (nr) * 4;
+
+ if (0) {
+ GLuint i;
+ for (i = 0; i < nr; i++) {
+ fprintf(stderr, "const[%d]: %f %f %f %f\n", i,
+ p->constant[i][0],
+ p->constant[i][1],
+ p->constant[i][2],
+ p->constant[i][3]);
+ }
+ }
+ }
+ else {
+ I915_ACTIVESTATE( i915, I915_UPLOAD_CONSTANTS, 0 );
+ }
+
+ p->on_hardware = 1;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#ifndef I915_PROGRAM_H
+#define I915_PROGRAM_H
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+
+
+/* Having zero and one in here makes the definition of swizzle a lot
+ * easier.
+ */
+#define UREG_TYPE_SHIFT 29
+#define UREG_NR_SHIFT 24
+#define UREG_CHANNEL_X_NEGATE_SHIFT 23
+#define UREG_CHANNEL_X_SHIFT 20
+#define UREG_CHANNEL_Y_NEGATE_SHIFT 19
+#define UREG_CHANNEL_Y_SHIFT 16
+#define UREG_CHANNEL_Z_NEGATE_SHIFT 15
+#define UREG_CHANNEL_Z_SHIFT 12
+#define UREG_CHANNEL_W_NEGATE_SHIFT 11
+#define UREG_CHANNEL_W_SHIFT 8
+#define UREG_CHANNEL_ZERO_NEGATE_MBZ 5
+#define UREG_CHANNEL_ZERO_SHIFT 4
+#define UREG_CHANNEL_ONE_NEGATE_MBZ 1
+#define UREG_CHANNEL_ONE_SHIFT 0
+
+#define UREG_BAD 0xffffffff /* not a valid ureg */
+
+#define X SRC_X
+#define Y SRC_Y
+#define Z SRC_Z
+#define W SRC_W
+#define ZERO SRC_ZERO
+#define ONE SRC_ONE
+
+/* Construct a ureg:
+ */
+#define UREG( type, nr ) (((type)<< UREG_TYPE_SHIFT) | \
+ ((nr) << UREG_NR_SHIFT) | \
+ (X << UREG_CHANNEL_X_SHIFT) | \
+ (Y << UREG_CHANNEL_Y_SHIFT) | \
+ (Z << UREG_CHANNEL_Z_SHIFT) | \
+ (W << UREG_CHANNEL_W_SHIFT) | \
+ (ZERO << UREG_CHANNEL_ZERO_SHIFT) | \
+ (ONE << UREG_CHANNEL_ONE_SHIFT))
+
+#define GET_CHANNEL_SRC( reg, channel ) ((reg<<(channel*4)) & (0xf<<20))
+#define CHANNEL_SRC( src, channel ) (src>>(channel*4))
+
+#define GET_UREG_TYPE(reg) (((reg)>>UREG_TYPE_SHIFT)®_TYPE_MASK)
+#define GET_UREG_NR(reg) (((reg)>>UREG_NR_SHIFT)®_NR_MASK)
+
+
+
+#define UREG_XYZW_CHANNEL_MASK 0x00ffff00
+
+/* One neat thing about the UREG representation:
+ */
+static __inline int swizzle( int reg, int x, int y, int z, int w )
+{
+ return ((reg & ~UREG_XYZW_CHANNEL_MASK) |
+ CHANNEL_SRC( GET_CHANNEL_SRC( reg, x ), 0 ) |
+ CHANNEL_SRC( GET_CHANNEL_SRC( reg, y ), 1 ) |
+ CHANNEL_SRC( GET_CHANNEL_SRC( reg, z ), 2 ) |
+ CHANNEL_SRC( GET_CHANNEL_SRC( reg, w ), 3 ));
+}
+
+/* Another neat thing about the UREG representation:
+ */
+static __inline int negate( int reg, int x, int y, int z, int w )
+{
+ return reg ^ (((x&1)<<UREG_CHANNEL_X_NEGATE_SHIFT)|
+ ((y&1)<<UREG_CHANNEL_Y_NEGATE_SHIFT)|
+ ((z&1)<<UREG_CHANNEL_Z_NEGATE_SHIFT)|
+ ((w&1)<<UREG_CHANNEL_W_NEGATE_SHIFT));
+}
+
+
+extern GLuint i915_get_temp( struct i915_fragment_program *p );
+extern GLuint i915_get_utemp( struct i915_fragment_program *p );
+extern void i915_release_utemps( struct i915_fragment_program *p );
+
+
+extern GLuint i915_emit_texld( struct i915_fragment_program *p,
+ GLuint dest,
+ GLuint destmask,
+ GLuint sampler,
+ GLuint coord,
+ GLuint op );
+
+extern GLuint i915_emit_arith( struct i915_fragment_program *p,
+ GLuint op,
+ GLuint dest,
+ GLuint mask,
+ GLuint saturate,
+ GLuint src0,
+ GLuint src1,
+ GLuint src2 );
+
+extern GLuint i915_emit_decl( struct i915_fragment_program *p,
+ GLuint type, GLuint nr, GLuint d0_flags );
+
+
+extern GLuint i915_emit_const1f( struct i915_fragment_program *p,
+ GLfloat c0 );
+
+extern GLuint i915_emit_const2f( struct i915_fragment_program *p,
+ GLfloat c0, GLfloat c1 );
+
+extern GLuint i915_emit_const4fv( struct i915_fragment_program *p,
+ const GLfloat *c );
+
+extern GLuint i915_emit_const4f( struct i915_fragment_program *p,
+ GLfloat c0, GLfloat c1,
+ GLfloat c2, GLfloat c3 );
+
+
+extern GLuint i915_emit_param4fv( struct i915_fragment_program *p,
+ const GLfloat *values );
+
+extern void i915_program_error( struct i915_fragment_program *p,
+ const GLubyte *msg );
+
+extern void i915_init_program( i915ContextPtr i915,
+ struct i915_fragment_program *p );
+
+extern void i915_upload_program( i915ContextPtr i915,
+ struct i915_fragment_program *p );
+
+extern void i915_fini_program( struct i915_fragment_program *p );
+
+
+
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#ifndef _I915_REG_H_
+#define _I915_REG_H_
+
+
+#include "intel_reg.h"
+
+#define I915_SET_FIELD( var, mask, value ) (var &= ~(mask), var |= value)
+
+#define CMD_3D (0x3<<29)
+
+#define PRIM3D_INLINE (CMD_3D | (0x1f<<24))
+#define PRIM3D_TRILIST (0x0<<18)
+#define PRIM3D_TRISTRIP (0x1<<18)
+#define PRIM3D_TRISTRIP_RVRSE (0x2<<18)
+#define PRIM3D_TRIFAN (0x3<<18)
+#define PRIM3D_POLY (0x4<<18)
+#define PRIM3D_LINELIST (0x5<<18)
+#define PRIM3D_LINESTRIP (0x6<<18)
+#define PRIM3D_RECTLIST (0x7<<18)
+#define PRIM3D_POINTLIST (0x8<<18)
+#define PRIM3D_DIB (0x9<<18)
+#define PRIM3D_CLEAR_RECT (0xa<<18)
+#define PRIM3D_ZONE_INIT (0xd<<18)
+#define PRIM3D_MASK (0x1f<<18)
+
+/* p137 */
+#define _3DSTATE_AA_CMD (CMD_3D | (0x06<<24))
+#define AA_LINE_ECAAR_WIDTH_ENABLE (1<<16)
+#define AA_LINE_ECAAR_WIDTH_0_5 0
+#define AA_LINE_ECAAR_WIDTH_1_0 (1<<14)
+#define AA_LINE_ECAAR_WIDTH_2_0 (2<<14)
+#define AA_LINE_ECAAR_WIDTH_4_0 (3<<14)
+#define AA_LINE_REGION_WIDTH_ENABLE (1<<8)
+#define AA_LINE_REGION_WIDTH_0_5 0
+#define AA_LINE_REGION_WIDTH_1_0 (1<<6)
+#define AA_LINE_REGION_WIDTH_2_0 (2<<6)
+#define AA_LINE_REGION_WIDTH_4_0 (3<<6)
+
+/* 3DSTATE_BACKFACE_STENCIL_OPS, p138*/
+#define _3DSTATE_BACKFACE_STENCIL_OPS (CMD_3D | (0x8<<24))
+#define BFO_ENABLE_STENCIL_REF (1<<23)
+#define BFO_STENCIL_REF_SHIFT 15
+#define BFO_STENCIL_REF_MASK (0xff<<15)
+#define BFO_ENABLE_STENCIL_FUNCS (1<<14)
+#define BFO_STENCIL_TEST_SHIFT 11
+#define BFO_STENCIL_TEST_MASK (0x7<<11)
+#define BFO_STENCIL_FAIL_SHIFT 8
+#define BFO_STENCIL_FAIL_MASK (0x7<<8)
+#define BFO_STENCIL_PASS_Z_FAIL_SHIFT 5
+#define BFO_STENCIL_PASS_Z_FAIL_MASK (0x7<<5)
+#define BFO_STENCIL_PASS_Z_PASS_SHIFT 2
+#define BFO_STENCIL_PASS_Z_PASS_MASK (0x7<<2)
+#define BFO_ENABLE_STENCIL_TWO_SIDE (1<<1)
+#define BFO_STENCIL_TWO_SIDE (1<<0)
+
+
+/* 3DSTATE_BACKFACE_STENCIL_MASKS, p140 */
+#define _3DSTATE_BACKFACE_STENCIL_MASKS (CMD_3D | (0x9<<24))
+#define BFM_ENABLE_STENCIL_TEST_MASK (1<<17)
+#define BFM_ENABLE_STENCIL_WRITE_MASK (1<<16)
+#define BFM_STENCIL_TEST_MASK_SHIFT 8
+#define BFM_STENCIL_TEST_MASK_MASK (0xff<<8)
+#define BFM_STENCIL_WRITE_MASK_SHIFT 0
+#define BFM_STENCIL_WRITE_MASK_MASK (0xff<<0)
+
+
+
+/* 3DSTATE_BIN_CONTROL p141 */
+
+/* p143 */
+#define _3DSTATE_BUF_INFO_CMD (CMD_3D | (0x1d<<24) | (0x8e<<16) | 1)
+/* Dword 1 */
+#define BUF_3D_ID_COLOR_BACK (0x3<<24)
+#define BUF_3D_ID_DEPTH (0x7<<24)
+#define BUF_3D_USE_FENCE (1<<23)
+#define BUF_3D_TILED_SURFACE (1<<22)
+#define BUF_3D_TILE_WALK_X 0
+#define BUF_3D_TILE_WALK_Y (1<<21)
+#define BUF_3D_PITCH(x) (((x)/4)<<2)
+/* Dword 2 */
+#define BUF_3D_ADDR(x) ((x) & ~0x3)
+
+
+/* 3DSTATE_CHROMA_KEY */
+
+/* 3DSTATE_CLEAR_PARAMETERS, p150 */
+
+/* 3DSTATE_CONSTANT_BLEND_COLOR, p153 */
+#define _3DSTATE_CONST_BLEND_COLOR_CMD (CMD_3D | (0x1d<<24) | (0x88<<16))
+
+
+
+/* 3DSTATE_COORD_SET_BINDINGS, p154 */
+#define _3DSTATE_COORD_SET_BINDINGS (CMD_3D | (0x16<<24))
+#define CSB_TCB(iunit, eunit) ((eunit)<<(iunit*3))
+
+/* p156 */
+#define _3DSTATE_DFLT_DIFFUSE_CMD (CMD_3D | (0x1d<<24) | (0x99<<16))
+
+/* p157 */
+#define _3DSTATE_DFLT_SPEC_CMD (CMD_3D | (0x1d<<24) | (0x9a<<16))
+
+/* p158 */
+#define _3DSTATE_DFLT_Z_CMD (CMD_3D | (0x1d<<24) | (0x98<<16))
+
+
+/* 3DSTATE_DEPTH_OFFSET_SCALE, p159 */
+#define _3DSTATE_DEPTH_OFFSET_SCALE (CMD_3D | (0x1d<<24) | (0x97<<16))
+/* scale in dword 1 */
+
+
+/* 3DSTATE_DEPTH_SUBRECT_DISABLE, p160 */
+#define _3DSTATE_DEPTH_SUBRECT_DISABLE (CMD_3D | (0x1c<<24) | (0x11<19) | 0x2)
+
+/* p161 */
+#define _3DSTATE_DST_BUF_VARS_CMD (CMD_3D | (0x1d<<24) | (0x85<<16))
+/* Dword 1 */
+#define TEX_DEFAULT_COLOR_OGL (0<<30)
+#define TEX_DEFAULT_COLOR_D3D (1<<30)
+#define ZR_EARLY_DEPTH (1<<29)
+#define LOD_PRECLAMP_OGL (1<<28)
+#define LOD_PRECLAMP_D3D (0<<28)
+#define DITHER_FULL_ALWAYS (0<<26)
+#define DITHER_FULL_ON_FB_BLEND (1<<26)
+#define DITHER_CLAMPED_ALWAYS (2<<26)
+#define LINEAR_GAMMA_BLEND_32BPP (1<<25)
+#define DEBUG_DISABLE_ENH_DITHER (1<<24)
+#define DSTORG_HORT_BIAS(x) ((x)<<20)
+#define DSTORG_VERT_BIAS(x) ((x)<<16)
+#define COLOR_4_2_2_CHNL_WRT_ALL 0
+#define COLOR_4_2_2_CHNL_WRT_Y (1<<12)
+#define COLOR_4_2_2_CHNL_WRT_CR (2<<12)
+#define COLOR_4_2_2_CHNL_WRT_CB (3<<12)
+#define COLOR_4_2_2_CHNL_WRT_CRCB (4<<12)
+#define COLR_BUF_8BIT 0
+#define COLR_BUF_RGB555 (1<<8)
+#define COLR_BUF_RGB565 (2<<8)
+#define COLR_BUF_ARGB8888 (3<<8)
+#define DEPTH_FRMT_16_FIXED 0
+#define DEPTH_FRMT_16_FLOAT (1<<2)
+#define DEPTH_FRMT_24_FIXED_8_OTHER (2<<2)
+#define VERT_LINE_STRIDE_1 (1<<1)
+#define VERT_LINE_STRIDE_0 (0<<1)
+#define VERT_LINE_STRIDE_OFS_1 1
+#define VERT_LINE_STRIDE_OFS_0 0
+
+/* p166 */
+#define _3DSTATE_DRAW_RECT_CMD (CMD_3D|(0x1d<<24)|(0x80<<16)|3)
+/* Dword 1 */
+#define DRAW_RECT_DIS_DEPTH_OFS (1<<30)
+#define DRAW_DITHER_OFS_X(x) ((x)<<26)
+#define DRAW_DITHER_OFS_Y(x) ((x)<<24)
+/* Dword 2 */
+#define DRAW_YMIN(x) ((x)<<16)
+#define DRAW_XMIN(x) (x)
+/* Dword 3 */
+#define DRAW_YMAX(x) ((x)<<16)
+#define DRAW_XMAX(x) (x)
+/* Dword 4 */
+#define DRAW_YORG(x) ((x)<<16)
+#define DRAW_XORG(x) (x)
+
+
+/* 3DSTATE_FILTER_COEFFICIENTS_4X4, p170 */
+
+/* 3DSTATE_FILTER_COEFFICIENTS_6X5, p172 */
+
+
+/* _3DSTATE_FOG_COLOR, p173 */
+#define _3DSTATE_FOG_COLOR_CMD (CMD_3D|(0x15<<24))
+#define FOG_COLOR_RED(x) ((x)<<16)
+#define FOG_COLOR_GREEN(x) ((x)<<8)
+#define FOG_COLOR_BLUE(x) (x)
+
+/* _3DSTATE_FOG_MODE, p174 */
+#define _3DSTATE_FOG_MODE_CMD (CMD_3D|(0x1d<<24)|(0x89<<16)|2)
+/* Dword 1 */
+#define FMC1_FOGFUNC_MODIFY_ENABLE (1<<31)
+#define FMC1_FOGFUNC_VERTEX (0<<28)
+#define FMC1_FOGFUNC_PIXEL_EXP (1<<28)
+#define FMC1_FOGFUNC_PIXEL_EXP2 (2<<28)
+#define FMC1_FOGFUNC_PIXEL_LINEAR (3<<28)
+#define FMC1_FOGFUNC_MASK (3<<28)
+#define FMC1_FOGINDEX_MODIFY_ENABLE (1<<27)
+#define FMC1_FOGINDEX_Z (0<<25)
+#define FMC1_FOGINDEX_W (1<<25)
+#define FMC1_C1_C2_MODIFY_ENABLE (1<<24)
+#define FMC1_DENSITY_MODIFY_ENABLE (1<<23)
+#define FMC1_C1_ONE (1<<13)
+#define FMC1_C1_MASK (0xffff<<4)
+/* Dword 2 */
+#define FMC2_C2_ONE (1<<16)
+/* Dword 3 */
+#define FMC3_D_ONE (1<<16)
+
+
+
+/* _3DSTATE_INDEPENDENT_ALPHA_BLEND, p177 */
+#define _3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD (CMD_3D|(0x0b<<24))
+#define IAB_MODIFY_ENABLE (1<<23)
+#define IAB_ENABLE (1<<22)
+#define IAB_MODIFY_FUNC (1<<21)
+#define IAB_FUNC_SHIFT 16
+#define IAB_MODIFY_SRC_FACTOR (1<<11)
+#define IAB_SRC_FACTOR_SHIFT 6
+#define IAB_SRC_FACTOR_MASK (BLENDFACT_MASK<<6)
+#define IAB_MODIFY_DST_FACTOR (1<<5)
+#define IAB_DST_FACTOR_SHIFT 0
+#define IAB_DST_FACTOR_MASK (BLENDFACT_MASK<<0)
+
+#define BLENDFACT_ZERO 0x01
+#define BLENDFACT_ONE 0x02
+#define BLENDFACT_SRC_COLR 0x03
+#define BLENDFACT_INV_SRC_COLR 0x04
+#define BLENDFACT_SRC_ALPHA 0x05
+#define BLENDFACT_INV_SRC_ALPHA 0x06
+#define BLENDFACT_DST_ALPHA 0x07
+#define BLENDFACT_INV_DST_ALPHA 0x08
+#define BLENDFACT_DST_COLR 0x09
+#define BLENDFACT_INV_DST_COLR 0x0a
+#define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
+#define BLENDFACT_CONST_COLOR 0x0c
+#define BLENDFACT_INV_CONST_COLOR 0x0d
+#define BLENDFACT_CONST_ALPHA 0x0e
+#define BLENDFACT_INV_CONST_ALPHA 0x0f
+#define BLENDFACT_MASK 0x0f
+
+
+#define BLENDFUNC_ADD 0x0
+#define BLENDFUNC_SUBTRACT 0x1
+#define BLENDFUNC_REVERSE_SUBTRACT 0x2
+#define BLENDFUNC_MIN 0x3
+#define BLENDFUNC_MAX 0x4
+#define BLENDFUNC_MASK 0x7
+
+/* 3DSTATE_LOAD_INDIRECT, p180 */
+
+#define _3DSTATE_LOAD_INDIRECT (CMD_3D|(0x1d<<24)|(0x7<<16))
+#define LI0_STATE_STATIC_INDIRECT (0x01<<8)
+#define LI0_STATE_DYNAMIC_INDIRECT (0x02<<8)
+#define LI0_STATE_SAMPLER (0x04<<8)
+#define LI0_STATE_MAP (0x08<<8)
+#define LI0_STATE_PROGRAM (0x10<<8)
+#define LI0_STATE_CONSTANTS (0x20<<8)
+
+#define SIS0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define SIS0_FORCE_LOAD (1<<1)
+#define SIS0_BUFFER_VALID (1<<0)
+#define SIS1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define DIS0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define DIS0_BUFFER_RESET (1<<1)
+#define DIS0_BUFFER_VALID (1<<0)
+
+#define SSB0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define SSB0_FORCE_LOAD (1<<1)
+#define SSB0_BUFFER_VALID (1<<0)
+#define SSB1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define MSB0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define MSB0_FORCE_LOAD (1<<1)
+#define MSB0_BUFFER_VALID (1<<0)
+#define MSB1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define PSP0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define PSP0_FORCE_LOAD (1<<1)
+#define PSP0_BUFFER_VALID (1<<0)
+#define PSP1_BUFFER_LENGTH(x) ((x)&0xff)
+
+#define PSC0_BUFFER_ADDRESS(x) ((x)&~0x3)
+#define PSC0_FORCE_LOAD (1<<1)
+#define PSC0_BUFFER_VALID (1<<0)
+#define PSC1_BUFFER_LENGTH(x) ((x)&0xff)
+
+
+
+
+
+/* _3DSTATE_RASTERIZATION_RULES */
+#define _3DSTATE_RASTER_RULES_CMD (CMD_3D|(0x07<<24))
+#define ENABLE_POINT_RASTER_RULE (1<<15)
+#define OGL_POINT_RASTER_RULE (1<<13)
+#define ENABLE_TEXKILL_3D_4D (1<<10)
+#define TEXKILL_3D (0<<9)
+#define TEXKILL_4D (1<<9)
+#define ENABLE_LINE_STRIP_PROVOKE_VRTX (1<<8)
+#define ENABLE_TRI_FAN_PROVOKE_VRTX (1<<5)
+#define LINE_STRIP_PROVOKE_VRTX(x) ((x)<<6)
+#define TRI_FAN_PROVOKE_VRTX(x) ((x)<<3)
+
+/* _3DSTATE_SCISSOR_ENABLE, p256 */
+#define _3DSTATE_SCISSOR_ENABLE_CMD (CMD_3D|(0x1c<<24)|(0x10<<19))
+#define ENABLE_SCISSOR_RECT ((1<<1) | 1)
+#define DISABLE_SCISSOR_RECT (1<<1)
+
+/* _3DSTATE_SCISSOR_RECTANGLE_0, p257 */
+#define _3DSTATE_SCISSOR_RECT_0_CMD (CMD_3D|(0x1d<<24)|(0x81<<16)|1)
+/* Dword 1 */
+#define SCISSOR_RECT_0_YMIN(x) ((x)<<16)
+#define SCISSOR_RECT_0_XMIN(x) (x)
+/* Dword 2 */
+#define SCISSOR_RECT_0_YMAX(x) ((x)<<16)
+#define SCISSOR_RECT_0_XMAX(x) (x)
+
+/* p189 */
+#define _3DSTATE_LOAD_STATE_IMMEDIATE_1 ((0x3<<29)|(0x1d<<24)|(0x04<<16))
+#define I1_LOAD_S(n) (1<<(4+n))
+
+#define S0_VB_OFFSET_MASK 0xffffffc
+#define S0_AUTO_CACHE_INV_DISABLE (1<<0)
+
+#define S1_VERTEX_WIDTH_SHIFT 24
+#define S1_VERTEX_WIDTH_MASK (0x3f<<24)
+#define S1_VERTEX_PITCH_SHIFT 16
+#define S1_VERTEX_PITCH_MASK (0x3f<<16)
+
+#define TEXCOORDFMT_2D 0x0
+#define TEXCOORDFMT_3D 0x1
+#define TEXCOORDFMT_4D 0x2
+#define TEXCOORDFMT_1D 0x3
+#define TEXCOORDFMT_2D_16 0x4
+#define TEXCOORDFMT_4D_16 0x5
+#define TEXCOORDFMT_NOT_PRESENT 0xf
+#define S2_TEXCOORD_FMT0_MASK 0xf
+#define S2_TEXCOORD_FMT1_SHIFT 4
+#define S2_TEXCOORD_FMT(unit, type) ((type)<<(unit*4))
+#define S2_TEXCOORD_NONE (~0)
+
+/* S3 not interesting */
+
+#define S4_POINT_WIDTH_SHIFT 23
+#define S4_POINT_WIDTH_MASK (0x1ff<<23)
+#define S4_LINE_WIDTH_SHIFT 19
+#define S4_LINE_WIDTH_ONE (0x2<<19)
+#define S4_LINE_WIDTH_MASK (0xf<<19)
+#define S4_FLATSHADE_ALPHA (1<<18)
+#define S4_FLATSHADE_FOG (1<<17)
+#define S4_FLATSHADE_SPECULAR (1<<16)
+#define S4_FLATSHADE_COLOR (1<<15)
+#define S4_CULLMODE_BOTH (0<<13)
+#define S4_CULLMODE_NONE (1<<13)
+#define S4_CULLMODE_CW (2<<13)
+#define S4_CULLMODE_CCW (3<<13)
+#define S4_CULLMODE_MASK (3<<13)
+#define S4_VFMT_POINT_WIDTH (1<<12)
+#define S4_VFMT_SPEC_FOG (1<<11)
+#define S4_VFMT_COLOR (1<<10)
+#define S4_VFMT_DEPTH_OFFSET (1<<9)
+#define S4_VFMT_XYZ (1<<6)
+#define S4_VFMT_XYZW (2<<6)
+#define S4_VFMT_XY (3<<6)
+#define S4_VFMT_XYW (4<<6)
+#define S4_VFMT_XYZW_MASK (7<<6)
+#define S4_FORCE_DEFAULT_DIFFUSE (1<<5)
+#define S4_FORCE_DEFAULT_SPECULAR (1<<4)
+#define S4_LOCAL_DEPTH_OFFSET_ENABLE (1<<3)
+#define S4_VFMT_FOG_PARAM (1<<2)
+#define S4_SPRITE_POINT_ENABLE (1<<1)
+#define S4_LINE_ANTIALIAS_ENABLE (1<<0)
+
+#define S4_VFMT_MASK (S4_VFMT_POINT_WIDTH | \
+ S4_VFMT_SPEC_FOG | \
+ S4_VFMT_COLOR | \
+ S4_VFMT_DEPTH_OFFSET | \
+ S4_VFMT_XYZW_MASK | \
+ S4_VFMT_FOG_PARAM)
+
+#define COMPAREFUNC_ALWAYS 0
+#define COMPAREFUNC_NEVER 0x1
+#define COMPAREFUNC_LESS 0x2
+#define COMPAREFUNC_EQUAL 0x3
+#define COMPAREFUNC_LEQUAL 0x4
+#define COMPAREFUNC_GREATER 0x5
+#define COMPAREFUNC_NOTEQUAL 0x6
+#define COMPAREFUNC_GEQUAL 0x7
+
+#define STENCILOP_KEEP 0
+#define STENCILOP_ZERO 0x1
+#define STENCILOP_REPLACE 0x2
+#define STENCILOP_INCRSAT 0x3
+#define STENCILOP_DECRSAT 0x4
+#define STENCILOP_INCR 0x5
+#define STENCILOP_DECR 0x6
+#define STENCILOP_INVERT 0x7
+
+#define S5_WRITEDISABLE_ALPHA (1<<31)
+#define S5_WRITEDISABLE_RED (1<<30)
+#define S5_WRITEDISABLE_GREEN (1<<29)
+#define S5_WRITEDISABLE_BLUE (1<<28)
+#define S5_WRITEDISABLE_MASK (0xf<<28)
+#define S5_FORCE_DEFAULT_POINT_SIZE (1<<27)
+#define S5_LAST_PIXEL_ENABLE (1<<26)
+#define S5_GLOBAL_DEPTH_OFFSET_ENABLE (1<<25)
+#define S5_FOG_ENABLE (1<<24)
+#define S5_STENCIL_REF_SHIFT 16
+#define S5_STENCIL_REF_MASK (0xff<<16)
+#define S5_STENCIL_TEST_FUNC_SHIFT 13
+#define S5_STENCIL_TEST_FUNC_MASK (0x7<<13)
+#define S5_STENCIL_FAIL_SHIFT 10
+#define S5_STENCIL_FAIL_MASK (0x7<<10)
+#define S5_STENCIL_PASS_Z_FAIL_SHIFT 7
+#define S5_STENCIL_PASS_Z_FAIL_MASK (0x7<<7)
+#define S5_STENCIL_PASS_Z_PASS_SHIFT 4
+#define S5_STENCIL_PASS_Z_PASS_MASK (0x7<<4)
+#define S5_STENCIL_WRITE_ENABLE (1<<3)
+#define S5_STENCIL_TEST_ENABLE (1<<2)
+#define S5_COLOR_DITHER_ENABLE (1<<1)
+#define S5_LOGICOP_ENABLE (1<<0)
+
+
+#define S6_ALPHA_TEST_ENABLE (1<<31)
+#define S6_ALPHA_TEST_FUNC_SHIFT 28
+#define S6_ALPHA_TEST_FUNC_MASK (0x7<<28)
+#define S6_ALPHA_REF_SHIFT 20
+#define S6_ALPHA_REF_MASK (0xff<<20)
+#define S6_DEPTH_TEST_ENABLE (1<<19)
+#define S6_DEPTH_TEST_FUNC_SHIFT 16
+#define S6_DEPTH_TEST_FUNC_MASK (0x7<<16)
+#define S6_CBUF_BLEND_ENABLE (1<<15)
+#define S6_CBUF_BLEND_FUNC_SHIFT 12
+#define S6_CBUF_BLEND_FUNC_MASK (0x7<<12)
+#define S6_CBUF_SRC_BLEND_FACT_SHIFT 8
+#define S6_CBUF_SRC_BLEND_FACT_MASK (0xf<<8)
+#define S6_CBUF_DST_BLEND_FACT_SHIFT 4
+#define S6_CBUF_DST_BLEND_FACT_MASK (0xf<<4)
+#define S6_DEPTH_WRITE_ENABLE (1<<3)
+#define S6_COLOR_WRITE_ENABLE (1<<2)
+#define S6_TRISTRIP_PV_SHIFT 0
+#define S6_TRISTRIP_PV_MASK (0x3<<0)
+
+#define S7_DEPTH_OFFSET_CONST_MASK ~0
+
+/* 3DSTATE_MAP_DEINTERLACER_PARAMETERS */
+/* 3DSTATE_MAP_PALETTE_LOAD_32, p206 */
+
+
+/* _3DSTATE_MODES_4, p218 */
+#define _3DSTATE_MODES_4_CMD (CMD_3D|(0x0d<<24))
+#define ENABLE_LOGIC_OP_FUNC (1<<23)
+#define LOGIC_OP_FUNC(x) ((x)<<18)
+#define LOGICOP_MASK ((1<<18)|(1<<19)|(1<<20)|(1<<21))
+#define LOGICOP_CLEAR 0
+#define LOGICOP_NOR 0x1
+#define LOGICOP_AND_INV 0x2
+#define LOGICOP_COPY_INV 0x3
+#define LOGICOP_AND_RVRSE 0x4
+#define LOGICOP_INV 0x5
+#define LOGICOP_XOR 0x6
+#define LOGICOP_NAND 0x7
+#define LOGICOP_AND 0x8
+#define LOGICOP_EQUIV 0x9
+#define LOGICOP_NOOP 0xa
+#define LOGICOP_OR_INV 0xb
+#define LOGICOP_COPY 0xc
+#define LOGICOP_OR_RVRSE 0xd
+#define LOGICOP_OR 0xe
+#define LOGICOP_SET 0xf
+#define MODE4_ENABLE_STENCIL_TEST_MASK ((1<<17)|(0xff00))
+#define ENABLE_STENCIL_TEST_MASK (1<<17)
+#define STENCIL_TEST_MASK(x) ((x)<<8)
+#define MODE4_ENABLE_STENCIL_WRITE_MASK ((1<<16)|(0x00ff))
+#define ENABLE_STENCIL_WRITE_MASK (1<<16)
+#define STENCIL_WRITE_MASK(x) (x)
+
+/* _3DSTATE_MODES_5, p220 */
+#define _3DSTATE_MODES_5_CMD (CMD_3D|(0x0c<<24))
+#define PIPELINE_FLUSH_RENDER_CACHE (1<<18)
+#define PIPELINE_FLUSH_TEXTURE_CACHE (1<<16)
+
+
+/* p221 */
+#define _3DSTATE_PIXEL_SHADER_CONSTANTS (CMD_3D|(0x1d<<24)|(0x6<<16))
+#define PS1_REG(n) (1<<(n))
+#define PS2_CONST_X(n) (n)
+#define PS3_CONST_Y(n) (n)
+#define PS4_CONST_Z(n) (n)
+#define PS5_CONST_W(n) (n)
+
+/* p222 */
+
+
+#define I915_MAX_TEX_INDIRECT 4
+#define I915_MAX_TEX_INSN 32
+#define I915_MAX_ALU_INSN 64
+#define I915_MAX_DECL_INSN 27
+#define I915_MAX_TEMPORARY 16
+
+
+/* Each instruction is 3 dwords long, though most don't require all
+ * this space. Maximum of 123 instructions. Smaller maxes per insn
+ * type.
+ */
+#define _3DSTATE_PIXEL_SHADER_PROGRAM (CMD_3D|(0x1d<<24)|(0x5<<16))
+
+#define REG_TYPE_R 0 /* temporary regs, no need to
+ * dcl, must be written before
+ * read -- Preserved between
+ * phases.
+ */
+#define REG_TYPE_T 1 /* Interpolated values, must be
+ * dcl'ed before use.
+ *
+ * 0..7: texture coord,
+ * 8: diffuse spec,
+ * 9: specular color,
+ * 10: fog parameter in w.
+ */
+#define REG_TYPE_CONST 2 /* Restriction: only one const
+ * can be referenced per
+ * instruction, though it may be
+ * selected for multiple inputs.
+ * Constants not initialized
+ * default to zero.
+ */
+#define REG_TYPE_S 3 /* sampler */
+#define REG_TYPE_OC 4 /* output color (rgba) */
+#define REG_TYPE_OD 5 /* output depth (w), xyz are
+ * temporaries. If not written,
+ * interpolated depth is used?
+ */
+#define REG_TYPE_U 6 /* unpreserved temporaries */
+#define REG_TYPE_MASK 0x7
+#define REG_NR_MASK 0xf
+
+
+/* REG_TYPE_T:
+ */
+#define T_TEX0 0
+#define T_TEX1 1
+#define T_TEX2 2
+#define T_TEX3 3
+#define T_TEX4 4
+#define T_TEX5 5
+#define T_TEX6 6
+#define T_TEX7 7
+#define T_DIFFUSE 8
+#define T_SPECULAR 9
+#define T_FOG_W 10 /* interpolated fog is in W coord */
+
+/* Arithmetic instructions */
+
+/* .replicate_swizzle == selection and replication of a particular
+ * scalar channel, ie., .xxxx, .yyyy, .zzzz or .wwww
+ */
+#define A0_NOP (0x0<<24) /* no operation */
+#define A0_ADD (0x1<<24) /* dst = src0 + src1 */
+#define A0_MOV (0x2<<24) /* dst = src0 */
+#define A0_MUL (0x3<<24) /* dst = src0 * src1 */
+#define A0_MAD (0x4<<24) /* dst = src0 * src1 + src2 */
+#define A0_DP2ADD (0x5<<24) /* dst.xyzw = src0.xy dot src1.xy + src2.replicate_swizzle */
+#define A0_DP3 (0x6<<24) /* dst.xyzw = src0.xyz dot src1.xyz */
+#define A0_DP4 (0x7<<24) /* dst.xyzw = src0.xyzw dot src1.xyzw */
+#define A0_FRC (0x8<<24) /* dst = src0 - floor(src0) */
+#define A0_RCP (0x9<<24) /* dst.xyzw = 1/(src0.replicate_swizzle) */
+#define A0_RSQ (0xa<<24) /* dst.xyzw = 1/(sqrt(abs(src0.replicate_swizzle))) */
+#define A0_EXP (0xb<<24) /* dst.xyzw = exp2(src0.replicate_swizzle) */
+#define A0_LOG (0xc<<24) /* dst.xyzw = log2(abs(src0.replicate_swizzle)) */
+#define A0_CMP (0xd<<24) /* dst = (src0 >= 0.0) ? src1 : src2 */
+#define A0_MIN (0xe<<24) /* dst = (src0 < src1) ? src0 : src1 */
+#define A0_MAX (0xf<<24) /* dst = (src0 >= src1) ? src0 : src1 */
+#define A0_FLR (0x10<<24) /* dst = floor(src0) */
+#define A0_MOD (0x11<<24) /* dst = src0 fmod 1.0 */
+#define A0_TRC (0x12<<24) /* dst = int(src0) */
+#define A0_SGE (0x13<<24) /* dst = src0 >= src1 ? 1.0 : 0.0 */
+#define A0_SLT (0x14<<24) /* dst = src0 < src1 ? 1.0 : 0.0 */
+#define A0_DEST_SATURATE (1<<22)
+#define A0_DEST_TYPE_SHIFT 19
+/* Allow: R, OC, OD, U */
+#define A0_DEST_NR_SHIFT 14
+/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
+#define A0_DEST_CHANNEL_X (1<<10)
+#define A0_DEST_CHANNEL_Y (2<<10)
+#define A0_DEST_CHANNEL_Z (4<<10)
+#define A0_DEST_CHANNEL_W (8<<10)
+#define A0_DEST_CHANNEL_ALL (0xf<<10)
+#define A0_DEST_CHANNEL_SHIFT 10
+#define A0_SRC0_TYPE_SHIFT 7
+#define A0_SRC0_NR_SHIFT 2
+
+#define A0_DEST_CHANNEL_XY (A0_DEST_CHANNEL_X|A0_DEST_CHANNEL_Y)
+#define A0_DEST_CHANNEL_XYZ (A0_DEST_CHANNEL_XY|A0_DEST_CHANNEL_Z)
+
+
+#define SRC_X 0
+#define SRC_Y 1
+#define SRC_Z 2
+#define SRC_W 3
+#define SRC_ZERO 4
+#define SRC_ONE 5
+
+#define A1_SRC0_CHANNEL_X_NEGATE (1<<31)
+#define A1_SRC0_CHANNEL_X_SHIFT 28
+#define A1_SRC0_CHANNEL_Y_NEGATE (1<<27)
+#define A1_SRC0_CHANNEL_Y_SHIFT 24
+#define A1_SRC0_CHANNEL_Z_NEGATE (1<<23)
+#define A1_SRC0_CHANNEL_Z_SHIFT 20
+#define A1_SRC0_CHANNEL_W_NEGATE (1<<19)
+#define A1_SRC0_CHANNEL_W_SHIFT 16
+#define A1_SRC1_TYPE_SHIFT 13
+#define A1_SRC1_NR_SHIFT 8
+#define A1_SRC1_CHANNEL_X_NEGATE (1<<7)
+#define A1_SRC1_CHANNEL_X_SHIFT 4
+#define A1_SRC1_CHANNEL_Y_NEGATE (1<<3)
+#define A1_SRC1_CHANNEL_Y_SHIFT 0
+
+#define A2_SRC1_CHANNEL_Z_NEGATE (1<<31)
+#define A2_SRC1_CHANNEL_Z_SHIFT 28
+#define A2_SRC1_CHANNEL_W_NEGATE (1<<27)
+#define A2_SRC1_CHANNEL_W_SHIFT 24
+#define A2_SRC2_TYPE_SHIFT 21
+#define A2_SRC2_NR_SHIFT 16
+#define A2_SRC2_CHANNEL_X_NEGATE (1<<15)
+#define A2_SRC2_CHANNEL_X_SHIFT 12
+#define A2_SRC2_CHANNEL_Y_NEGATE (1<<11)
+#define A2_SRC2_CHANNEL_Y_SHIFT 8
+#define A2_SRC2_CHANNEL_Z_NEGATE (1<<7)
+#define A2_SRC2_CHANNEL_Z_SHIFT 4
+#define A2_SRC2_CHANNEL_W_NEGATE (1<<3)
+#define A2_SRC2_CHANNEL_W_SHIFT 0
+
+
+
+/* Texture instructions */
+#define T0_TEXLD (0x15<<24) /* Sample texture using predeclared
+ * sampler and address, and output
+ * filtered texel data to destination
+ * register */
+#define T0_TEXLDP (0x16<<24) /* Same as texld but performs a
+ * perspective divide of the texture
+ * coordinate .xyz values by .w before
+ * sampling. */
+#define T0_TEXLDB (0x17<<24) /* Same as texld but biases the
+ * computed LOD by w. Only S4.6 two's
+ * comp is used. This implies that a
+ * float to fixed conversion is
+ * done. */
+#define T0_TEXKILL (0x18<<24) /* Does not perform a sampling
+ * operation. Simply kills the pixel
+ * if any channel of the address
+ * register is < 0.0. */
+#define T0_DEST_TYPE_SHIFT 19
+/* Allow: R, OC, OD, U */
+/* Note: U (unpreserved) regs do not retain their values between
+ * phases (cannot be used for feedback)
+ *
+ * Note: oC and OD registers can only be used as the destination of a
+ * texture instruction once per phase (this is an implementation
+ * restriction).
+ */
+#define T0_DEST_NR_SHIFT 14
+/* Allow R: 0..15, OC,OD: 0..0, U: 0..2 */
+#define T0_SAMPLER_NR_SHIFT 0 /* This field ignored for TEXKILL */
+#define T0_SAMPLER_NR_MASK (0xf<<0)
+
+#define T1_ADDRESS_REG_TYPE_SHIFT 24 /* Reg to use as texture coord */
+/* Allow R, T, OC, OD -- R, OC, OD are 'dependent' reads, new program phase */
+#define T1_ADDRESS_REG_NR_SHIFT 17
+#define T2_MBZ 0
+
+/* Declaration instructions */
+#define D0_DCL (0x19<<24) /* Declare a t (interpolated attrib)
+ * register or an s (sampler)
+ * register. */
+#define D0_SAMPLE_TYPE_SHIFT 22
+#define D0_SAMPLE_TYPE_2D (0x0<<22)
+#define D0_SAMPLE_TYPE_CUBE (0x1<<22)
+#define D0_SAMPLE_TYPE_VOLUME (0x2<<22)
+#define D0_SAMPLE_TYPE_MASK (0x3<<22)
+
+#define D0_TYPE_SHIFT 19
+/* Allow: T, S */
+#define D0_NR_SHIFT 14
+/* Allow T: 0..10, S: 0..15 */
+#define D0_CHANNEL_X (1<<10)
+#define D0_CHANNEL_Y (2<<10)
+#define D0_CHANNEL_Z (4<<10)
+#define D0_CHANNEL_W (8<<10)
+#define D0_CHANNEL_ALL (0xf<<10)
+#define D0_CHANNEL_NONE (0<<10)
+
+#define D0_CHANNEL_XY (D0_CHANNEL_X|D0_CHANNEL_Y)
+#define D0_CHANNEL_XYZ (D0_CHANNEL_XY|D0_CHANNEL_Z)
+
+/* I915 Errata: Do not allow (xz), (xw), (xzw) combinations for diffuse
+ * or specular declarations.
+ *
+ * For T dcls, only allow: (x), (xy), (xyz), (w), (xyzw)
+ *
+ * Must be zero for S (sampler) dcls
+ */
+#define D1_MBZ 0
+#define D2_MBZ 0
+
+
+
+/* p207 */
+#define _3DSTATE_MAP_STATE (CMD_3D|(0x1d<<24)|(0x0<<16))
+
+#define MS1_MAPMASK_SHIFT 0
+#define MS1_MAPMASK_MASK (0x8fff<<0)
+
+#define MS2_UNTRUSTED_SURFACE (1<<31)
+#define MS2_ADDRESS_MASK 0xfffffffc
+#define MS2_VERTICAL_LINE_STRIDE (1<<1)
+#define MS2_VERTICAL_OFFSET (1<<1)
+
+#define MS3_HEIGHT_SHIFT 21
+#define MS3_WIDTH_SHIFT 10
+#define MS3_PALETTE_SELECT (1<<9)
+#define MS3_MAPSURF_FORMAT_SHIFT 7
+#define MS3_MAPSURF_FORMAT_MASK (0x7<<7)
+#define MAPSURF_8BIT (1<<7)
+#define MAPSURF_16BIT (2<<7)
+#define MAPSURF_32BIT (3<<7)
+#define MAPSURF_422 (5<<7)
+#define MAPSURF_COMPRESSED (6<<7)
+#define MAPSURF_4BIT_INDEXED (7<<7)
+#define MS3_MT_FORMAT_MASK (0x7 << 3)
+#define MS3_MT_FORMAT_SHIFT 3
+#define MT_4BIT_IDX_ARGB8888 (7<<3) /* SURFACE_4BIT_INDEXED */
+#define MT_8BIT_I8 (0<<3) /* SURFACE_8BIT */
+#define MT_8BIT_L8 (1<<3)
+#define MT_8BIT_A8 (4<<3)
+#define MT_8BIT_MONO8 (5<<3)
+#define MT_16BIT_RGB565 (0<<3) /* SURFACE_16BIT */
+#define MT_16BIT_ARGB1555 (1<<3)
+#define MT_16BIT_ARGB4444 (2<<3)
+#define MT_16BIT_AY88 (3<<3)
+#define MT_16BIT_88DVDU (5<<3)
+#define MT_16BIT_BUMP_655LDVDU (6<<3)
+#define MT_16BIT_I16 (7<<3)
+#define MT_16BIT_L16 (8<<3)
+#define MT_16BIT_A16 (9<<3)
+#define MT_32BIT_ARGB8888 (0<<3) /* SURFACE_32BIT */
+#define MT_32BIT_ABGR8888 (1<<3)
+#define MT_32BIT_XRGB8888 (2<<3)
+#define MT_32BIT_XBGR8888 (3<<3)
+#define MT_32BIT_QWVU8888 (4<<3)
+#define MT_32BIT_AXVU8888 (5<<3)
+#define MT_32BIT_LXVU8888 (6<<3)
+#define MT_32BIT_XLVU8888 (7<<3)
+#define MT_32BIT_ARGB2101010 (8<<3)
+#define MT_32BIT_ABGR2101010 (9<<3)
+#define MT_422_YCRCB_SWAPY (0<<3) /* SURFACE_422 */
+#define MT_422_YCRCB_NORMAL (1<<3)
+#define MT_422_YCRCB_SWAPUV (2<<3)
+#define MT_422_YCRCB_SWAPUVY (3<<3)
+#define MT_COMPRESS_DXT1 (0<<3) /* SURFACE_COMPRESSED */
+#define MT_COMPRESS_DXT2_3 (1<<3)
+#define MT_COMPRESS_DXT4_5 (2<<3)
+#define MT_COMPRESS_FXT1 (3<<3)
+#define MT_COMPRESS_DXT1_RGB (4<<3)
+#define MS3_USE_FENCE_REGS (1<<2)
+#define MS3_TILED_SURFACE (1<<1)
+#define MS3_TILE_WALK (1<<0)
+
+#define MS4_PITCH_SHIFT 21
+#define MS4_CUBE_FACE_ENA_NEGX (1<<20)
+#define MS4_CUBE_FACE_ENA_POSX (1<<19)
+#define MS4_CUBE_FACE_ENA_NEGY (1<<18)
+#define MS4_CUBE_FACE_ENA_POSY (1<<17)
+#define MS4_CUBE_FACE_ENA_NEGZ (1<<16)
+#define MS4_CUBE_FACE_ENA_POSZ (1<<15)
+#define MS4_CUBE_FACE_ENA_MASK (0x3f<<15)
+#define MS4_MAX_LOD_SHIFT 9
+#define MS4_MAX_LOD_MASK (0x3f<<9)
+#define MS4_VOLUME_DEPTH_SHIFT 0
+#define MS4_VOLUME_DEPTH_MASK (0xff<<0)
+
+/* p244 */
+#define _3DSTATE_SAMPLER_STATE (CMD_3D|(0x1d<<24)|(0x1<<16))
+
+#define SS1_MAPMASK_SHIFT 0
+#define SS1_MAPMASK_MASK (0x8fff<<0)
+
+#define SS2_REVERSE_GAMMA_ENABLE (1<<31)
+#define SS2_PACKED_TO_PLANAR_ENABLE (1<<30)
+#define SS2_COLORSPACE_CONVERSION (1<<29)
+#define SS2_CHROMAKEY_SHIFT 27
+#define SS2_BASE_MIP_LEVEL_SHIFT 22
+#define SS2_BASE_MIP_LEVEL_MASK (0x1f<<22)
+#define SS2_MIP_FILTER_SHIFT 20
+#define SS2_MIP_FILTER_MASK (0x3<<20)
+#define MIPFILTER_NONE 0
+#define MIPFILTER_NEAREST 1
+#define MIPFILTER_LINEAR 3
+#define SS2_MAG_FILTER_SHIFT 17
+#define SS2_MAG_FILTER_MASK (0x7<<17)
+#define FILTER_NEAREST 0
+#define FILTER_LINEAR 1
+#define FILTER_ANISOTROPIC 2
+#define FILTER_4X4_1 3
+#define FILTER_4X4_2 4
+#define FILTER_4X4_FLAT 5
+#define FILTER_6X5_MONO 6 /* XXX - check */
+#define SS2_MIN_FILTER_SHIFT 14
+#define SS2_MIN_FILTER_MASK (0x7<<14)
+#define SS2_LOD_BIAS_SHIFT 5
+#define SS2_LOD_BIAS_ONE (0x10<<5)
+#define SS2_LOD_BIAS_MASK (0x1ff<<5)
+#define SS2_SHADOW_ENABLE (1<<4)
+#define SS2_MAX_ANISO_MASK (1<<3)
+#define SS2_MAX_ANISO_2 (0<<3)
+#define SS2_MAX_ANISO_4 (1<<3)
+#define SS2_SHADOW_FUNC_SHIFT 0
+#define SS2_SHADOW_FUNC_MASK (0x7<<0)
+#define SHADOWOP_ALWAYS 0
+#define SHADOWOP_NEVER 1
+#define SHADOWOP_LESS 2
+#define SHADOWOP_EQUAL 3
+#define SHADOWOP_LEQUAL 4
+#define SHADOWOP_GREATER 5
+#define SHADOWOP_NOTEQUAL 6
+#define SHADOWOP_GEQUAL 7
+
+#define SS3_MIN_LOD_SHIFT 24
+#define SS3_MIN_LOD_ONE (0x10<<24)
+#define SS3_MIN_LOD_MASK (0xff<<24)
+#define SS3_KILL_PIXEL_ENABLE (1<<17)
+#define SS3_TCX_ADDR_MODE_SHIFT 12
+#define SS3_TCX_ADDR_MODE_MASK (0x7<<12)
+#define TEXCOORDMODE_WRAP 0
+#define TEXCOORDMODE_MIRROR 1
+#define TEXCOORDMODE_CLAMP_EDGE 2
+#define TEXCOORDMODE_CUBE 3
+#define TEXCOORDMODE_CLAMP_BORDER 4
+#define TEXCOORDMODE_MIRROR_ONCE 5
+#define SS3_TCY_ADDR_MODE_SHIFT 9
+#define SS3_TCY_ADDR_MODE_MASK (0x7<<9)
+#define SS3_TCZ_ADDR_MODE_SHIFT 6
+#define SS3_TCZ_ADDR_MODE_MASK (0x7<<6)
+#define SS3_NORMALIZED_COORDS (1<<5)
+#define SS3_TEXTUREMAP_INDEX_SHIFT 1
+#define SS3_TEXTUREMAP_INDEX_MASK (0xf<<1)
+#define SS3_DEINTERLACER_ENABLE (1<<0)
+
+#define SS4_BORDER_COLOR_MASK (~0)
+
+/* 3DSTATE_SPAN_STIPPLE, p258
+ */
+#define _3DSTATE_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define ST1_ENABLE (1<<16)
+#define ST1_MASK (0xffff)
+
+
+#define MI_FLUSH ((0<<29)|(4<<23))
+#define FLUSH_MAP_CACHE (1<<0)
+#define FLUSH_RENDER_CACHE (1<<1)
+
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "enums.h"
+#include "dd.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+
+#include "texmem.h"
+
+#include "intel_screen.h"
+#include "intel_batchbuffer.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+static int translate_compare_func( GLenum func )
+{
+ switch(func) {
+ case GL_NEVER:
+ return COMPAREFUNC_NEVER;
+ case GL_LESS:
+ return COMPAREFUNC_LESS;
+ case GL_LEQUAL:
+ return COMPAREFUNC_LEQUAL;
+ case GL_GREATER:
+ return COMPAREFUNC_GREATER;
+ case GL_GEQUAL:
+ return COMPAREFUNC_GEQUAL;
+ case GL_NOTEQUAL:
+ return COMPAREFUNC_NOTEQUAL;
+ case GL_EQUAL:
+ return COMPAREFUNC_EQUAL;
+ case GL_ALWAYS:
+ default:
+ return COMPAREFUNC_ALWAYS;
+ }
+}
+
+
+static void i915StencilFunc(GLcontext *ctx, GLenum func, GLint ref,
+ GLuint mask)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ int test = translate_compare_func( func );
+
+ mask = mask & 0xff;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s : func: %s, ref : 0x%x, mask: 0x%x\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(func), ref, mask);
+
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
+ i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(mask));
+
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_REF_MASK |
+ S5_STENCIL_TEST_FUNC_MASK);
+
+ i915->state.Ctx[I915_CTXREG_LIS5] |= ((ref << S5_STENCIL_REF_SHIFT) |
+ (test << S5_STENCIL_TEST_FUNC_SHIFT));
+}
+
+static void i915StencilMask(GLcontext *ctx, GLuint mask)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s : mask 0x%x\n", __FUNCTION__, mask);
+
+ mask = mask & 0xff;
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
+ i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(mask));
+}
+
+static int translate_stencil_op( GLenum op )
+{
+ switch(op) {
+ case GL_KEEP:
+ return STENCILOP_KEEP;
+ case GL_ZERO:
+ return STENCILOP_ZERO;
+ case GL_REPLACE:
+ return STENCILOP_REPLACE;
+ case GL_INCR:
+ return STENCILOP_INCRSAT;
+ case GL_DECR:
+ return STENCILOP_DECRSAT;
+ case GL_INCR_WRAP:
+ return STENCILOP_INCR;
+ case GL_DECR_WRAP:
+ return STENCILOP_DECR;
+ case GL_INVERT:
+ return STENCILOP_INVERT;
+ default:
+ return 0;
+ }
+}
+
+static void i915StencilOp(GLcontext *ctx, GLenum fail, GLenum zfail,
+ GLenum zpass)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ int fop = translate_stencil_op(fail);
+ int dfop = translate_stencil_op(zfail);
+ int dpop = translate_stencil_op(zpass);
+
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s: fail : %s, zfail: %s, zpass : %s\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(fail),
+ _mesa_lookup_enum_by_nr(zfail),
+ _mesa_lookup_enum_by_nr(zpass));
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_FAIL_MASK |
+ S5_STENCIL_PASS_Z_FAIL_MASK |
+ S5_STENCIL_PASS_Z_PASS_MASK);
+
+ i915->state.Ctx[I915_CTXREG_LIS5] |= ((fop << S5_STENCIL_FAIL_SHIFT) |
+ (dfop << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (dpop << S5_STENCIL_PASS_Z_PASS_SHIFT));
+}
+
+static void i915AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ int test = translate_compare_func( func );
+ GLubyte refByte;
+
+ UNCLAMPED_FLOAT_TO_UBYTE(refByte, ref);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~(S6_ALPHA_TEST_FUNC_MASK |
+ S6_ALPHA_REF_MASK);
+ i915->state.Ctx[I915_CTXREG_LIS6] |= ((test << S6_ALPHA_TEST_FUNC_SHIFT) |
+ (((GLuint)refByte) << S6_ALPHA_REF_SHIFT));
+}
+
+/* This function makes sure that the proper enables are
+ * set for LogicOp, Independant Alpha Blend, and Blending.
+ * It needs to be called from numerous places where we
+ * could change the LogicOp or Independant Alpha Blend without subsequent
+ * calls to glEnable.
+ */
+static void i915EvalLogicOpBlendState(GLcontext *ctx)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+
+ if (ctx->Color._LogicOpEnabled) {
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_LOGICOP_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_CBUF_BLEND_ENABLE;
+ } else {
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_LOGICOP_ENABLE;
+
+ if (ctx->Color.BlendEnabled) {
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_CBUF_BLEND_ENABLE;
+ } else {
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_CBUF_BLEND_ENABLE;
+ }
+ }
+}
+
+static void i915BlendColor(GLcontext *ctx, const GLfloat color[4])
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ GLubyte r, g, b, a;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ UNCLAMPED_FLOAT_TO_UBYTE(r, color[RCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(g, color[GCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(b, color[BCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(a, color[ACOMP]);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = (a<<24) | (r<<16) | (g<<8) | b;
+}
+
+static int translate_blend_factor( GLenum factor )
+{
+ switch(factor) {
+ case GL_ZERO:
+ return BLENDFACT_ZERO;
+ case GL_SRC_ALPHA:
+ return BLENDFACT_SRC_ALPHA;
+ case GL_ONE:
+ return BLENDFACT_ONE;
+ case GL_SRC_COLOR:
+ return BLENDFACT_SRC_COLR;
+ case GL_ONE_MINUS_SRC_COLOR:
+ return BLENDFACT_INV_SRC_COLR;
+ case GL_DST_COLOR:
+ return BLENDFACT_DST_COLR;
+ case GL_ONE_MINUS_DST_COLOR:
+ return BLENDFACT_INV_DST_COLR;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ return BLENDFACT_INV_SRC_ALPHA;
+ case GL_DST_ALPHA:
+ return BLENDFACT_DST_ALPHA;
+ case GL_ONE_MINUS_DST_ALPHA:
+ return BLENDFACT_INV_DST_ALPHA;
+ case GL_SRC_ALPHA_SATURATE:
+ return BLENDFACT_SRC_ALPHA_SATURATE;
+ case GL_CONSTANT_COLOR:
+ return BLENDFACT_CONST_COLOR;
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ return BLENDFACT_INV_CONST_COLOR;
+ case GL_CONSTANT_ALPHA:
+ return BLENDFACT_CONST_ALPHA;
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ return BLENDFACT_INV_CONST_ALPHA;
+ default:
+ return BLENDFACT_ZERO;
+ }
+}
+
+#define DST_BLND_FACT(f) ((f)<<S6_CBUF_DST_BLEND_FACT_SHIFT)
+#define SRC_BLND_FACT(f) ((f)<<S6_CBUF_SRC_BLEND_FACT_SHIFT)
+#define DST_ABLND_FACT(f) ((f)<<IAB_DST_FACTOR_SHIFT)
+#define SRC_ABLND_FACT(f) ((f)<<IAB_SRC_FACTOR_SHIFT)
+
+
+
+static GLuint translate_blend_equation( GLenum mode )
+{
+ switch (mode) {
+ case GL_FUNC_ADD: return BLENDFUNC_ADD;
+ case GL_MIN: return BLENDFUNC_MIN;
+ case GL_MAX: return BLENDFUNC_MAX;
+ case GL_FUNC_SUBTRACT: return BLENDFUNC_SUBTRACT;
+ case GL_FUNC_REVERSE_SUBTRACT: return BLENDFUNC_REVERSE_SUBTRACT;
+ default: return 0;
+ }
+}
+
+static void i915UpdateBlendState( GLcontext *ctx )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ GLuint iab = (i915->state.Ctx[I915_CTXREG_IAB] &
+ ~(IAB_SRC_FACTOR_MASK |
+ IAB_DST_FACTOR_MASK |
+ (BLENDFUNC_MASK << IAB_FUNC_SHIFT) |
+ IAB_ENABLE));
+
+ GLuint lis6 = (i915->state.Ctx[I915_CTXREG_LIS6] &
+ ~(S6_CBUF_SRC_BLEND_FACT_MASK |
+ S6_CBUF_DST_BLEND_FACT_MASK |
+ S6_CBUF_BLEND_FUNC_MASK));
+
+ GLuint eqRGB = ctx->Color.BlendEquationRGB;
+ GLuint eqA = ctx->Color.BlendEquationA;
+ GLuint srcRGB = ctx->Color.BlendSrcRGB;
+ GLuint dstRGB = ctx->Color.BlendDstRGB;
+ GLuint srcA = ctx->Color.BlendSrcA;
+ GLuint dstA = ctx->Color.BlendDstA;
+
+ if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
+ srcRGB = dstRGB = GL_ONE;
+ }
+
+ if (eqA == GL_MIN || eqA == GL_MAX) {
+ srcA = dstA = GL_ONE;
+ }
+
+ lis6 |= SRC_BLND_FACT(translate_blend_factor(srcRGB));
+ lis6 |= DST_BLND_FACT(translate_blend_factor(dstRGB));
+ lis6 |= translate_blend_equation( eqRGB ) << S6_CBUF_BLEND_FUNC_SHIFT;
+
+ iab |= SRC_ABLND_FACT(translate_blend_factor(srcA));
+ iab |= DST_ABLND_FACT(translate_blend_factor(dstA));
+ iab |= translate_blend_equation( eqA ) << IAB_FUNC_SHIFT;
+
+ if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB)
+ iab |= IAB_ENABLE;
+
+ if (iab != i915->state.Ctx[I915_CTXREG_IAB] ||
+ lis6 != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_IAB] = iab;
+ i915->state.Ctx[I915_CTXREG_LIS6] = lis6;
+ }
+
+ /* This will catch a logicop blend equation */
+ i915EvalLogicOpBlendState(ctx);
+}
+
+
+static void i915BlendFuncSeparate(GLcontext *ctx, GLenum srcRGB,
+ GLenum dstRGB, GLenum srcA,
+ GLenum dstA )
+{
+ i915UpdateBlendState( ctx );
+}
+
+
+static void i915BlendEquationSeparate(GLcontext *ctx, GLenum eqRGB,
+ GLenum eqA)
+{
+ i915UpdateBlendState( ctx );
+}
+
+
+static void i915DepthFunc(GLcontext *ctx, GLenum func)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ int test = translate_compare_func( func );
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_FUNC_MASK;
+ i915->state.Ctx[I915_CTXREG_LIS6] |= test << S6_DEPTH_TEST_FUNC_SHIFT;
+}
+
+static void i915DepthMask(GLcontext *ctx, GLboolean flag)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s flag (%d)\n", __FUNCTION__, flag);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+
+ if (flag && ctx->Depth.Test)
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_DEPTH_WRITE_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_WRITE_ENABLE;
+}
+
+/* =============================================================
+ * Polygon stipple
+ *
+ * The i915 supports a 4x4 stipple natively, GL wants 32x32.
+ * Fortunately stipple is usually a repeating pattern.
+ */
+static void i915PolygonStipple( GLcontext *ctx, const GLubyte *mask )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ const GLubyte *m = mask;
+ GLubyte p[4];
+ int i,j,k;
+ int active = (ctx->Polygon.StippleFlag &&
+ i915->intel.reduced_primitive == GL_TRIANGLES);
+ GLuint newMask;
+
+ if (active) {
+ I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
+ i915->state.Stipple[I915_STPREG_ST1] &= ~ST1_ENABLE;
+ }
+
+ p[0] = mask[12] & 0xf; p[0] |= p[0] << 4;
+ p[1] = mask[8] & 0xf; p[1] |= p[1] << 4;
+ p[2] = mask[4] & 0xf; p[2] |= p[2] << 4;
+ p[3] = mask[0] & 0xf; p[3] |= p[3] << 4;
+
+ for (k = 0 ; k < 8 ; k++)
+ for (j = 3 ; j >= 0; j--)
+ for (i = 0 ; i < 4 ; i++, m++)
+ if (*m != p[j]) {
+ i915->intel.hw_stipple = 0;
+ return;
+ }
+
+ newMask = (((p[0] & 0xf) << 0) |
+ ((p[1] & 0xf) << 4) |
+ ((p[2] & 0xf) << 8) |
+ ((p[3] & 0xf) << 12));
+
+
+ if (newMask == 0xffff || newMask == 0x0) {
+ /* this is needed to make conform pass */
+ i915->intel.hw_stipple = 0;
+ return;
+ }
+
+ i915->state.Stipple[I915_STPREG_ST1] &= ~0xffff;
+ i915->state.Stipple[I915_STPREG_ST1] |= newMask;
+ i915->intel.hw_stipple = 1;
+
+ if (active)
+ i915->state.Stipple[I915_STPREG_ST1] |= ST1_ENABLE;
+}
+
+
+/* =============================================================
+ * Hardware clipping
+ */
+static void i915Scissor(GLcontext *ctx, GLint x, GLint y,
+ GLsizei w, GLsizei h)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ intelScreenPrivate *screen = i915->intel.intelScreen;
+ int x1, y1, x2, y2;
+
+ if (!i915->intel.driDrawable)
+ return;
+
+ x1 = x;
+ y1 = i915->intel.driDrawable->h - (y + h);
+ x2 = x + w - 1;
+ y2 = y1 + h - 1;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "[%s] x(%d) y(%d) w(%d) h(%d)\n", __FUNCTION__,
+ x, y, w, h);
+
+ if (x1 < 0) x1 = 0;
+ if (y1 < 0) y1 = 0;
+ if (x2 < 0) x2 = 0;
+ if (y2 < 0) y2 = 0;
+
+ if (x2 >= screen->width) x2 = screen->width-1;
+ if (y2 >= screen->height) y2 = screen->height-1;
+ if (x1 >= screen->width) x1 = screen->width-1;
+ if (y1 >= screen->height) y1 = screen->height-1;
+
+
+ I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
+ i915->state.Buffer[I915_DESTREG_SR1] = (y1 << 16) | (x1 & 0xffff);
+ i915->state.Buffer[I915_DESTREG_SR2] = (y2 << 16) | (x2 & 0xffff);
+}
+
+static void i915LogicOp(GLcontext *ctx, GLenum opcode)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ int tmp = 0;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ switch(opcode) {
+ case GL_CLEAR:
+ tmp = LOGICOP_CLEAR;
+ break;
+ case GL_AND:
+ tmp = LOGICOP_AND;
+ break;
+ case GL_AND_REVERSE:
+ tmp = LOGICOP_AND_RVRSE;
+ break;
+ case GL_COPY:
+ tmp = LOGICOP_COPY;
+ break;
+ case GL_COPY_INVERTED:
+ tmp = LOGICOP_COPY_INV;
+ break;
+ case GL_AND_INVERTED:
+ tmp = LOGICOP_AND_INV;
+ break;
+ case GL_NOOP:
+ tmp = LOGICOP_NOOP;
+ break;
+ case GL_XOR:
+ tmp = LOGICOP_XOR;
+ break;
+ case GL_OR:
+ tmp = LOGICOP_OR;
+ break;
+ case GL_OR_INVERTED:
+ tmp = LOGICOP_OR_INV;
+ break;
+ case GL_NOR:
+ tmp = LOGICOP_NOR;
+ break;
+ case GL_EQUIV:
+ tmp = LOGICOP_EQUIV;
+ break;
+ case GL_INVERT:
+ tmp = LOGICOP_INV;
+ break;
+ case GL_OR_REVERSE:
+ tmp = LOGICOP_OR_RVRSE;
+ break;
+ case GL_NAND:
+ tmp = LOGICOP_NAND;
+ break;
+ case GL_SET:
+ tmp = LOGICOP_SET;
+ break;
+ default:
+ return;
+ }
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_STATE4] &= ~LOGICOP_MASK;
+ i915->state.Ctx[I915_CTXREG_STATE4] |= LOGIC_OP_FUNC(tmp);
+}
+
+
+
+static void i915CullFaceFrontFace(GLcontext *ctx, GLenum unused)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ GLuint mode;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (!ctx->Polygon.CullFlag) {
+ mode = S4_CULLMODE_NONE;
+ }
+ else if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) {
+ mode = S4_CULLMODE_CW;
+
+ if (ctx->Polygon.CullFaceMode == GL_FRONT)
+ mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
+ if (ctx->Polygon.FrontFace != GL_CCW)
+ mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
+ }
+ else {
+ mode = S4_CULLMODE_BOTH;
+ }
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_CULLMODE_MASK;
+ i915->state.Ctx[I915_CTXREG_LIS4] |= mode;
+}
+
+static void i915LineWidth( GLcontext *ctx, GLfloat widthf )
+{
+ i915ContextPtr i915 = I915_CONTEXT( ctx );
+ int lis4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_LINE_WIDTH_MASK;
+ int width;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ width = (int)(widthf * 2);
+ CLAMP_SELF(width, 1, 0xf);
+ lis4 |= width << S4_LINE_WIDTH_SHIFT;
+
+ if (lis4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS4] = lis4;
+ }
+}
+
+static void i915PointSize(GLcontext *ctx, GLfloat size)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ int lis4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_POINT_WIDTH_MASK;
+ GLint point_size = (int)size;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ CLAMP_SELF(point_size, 1, 255);
+ lis4 |= point_size << S4_POINT_WIDTH_SHIFT;
+
+ if (lis4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS4] = lis4;
+ }
+}
+
+
+/* =============================================================
+ * Color masks
+ */
+
+static void i915ColorMask(GLcontext *ctx,
+ GLboolean r, GLboolean g,
+ GLboolean b, GLboolean a)
+{
+ i915ContextPtr i915 = I915_CONTEXT( ctx );
+ GLuint tmp = i915->state.Ctx[I915_CTXREG_LIS5] & ~S5_WRITEDISABLE_MASK;
+
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s r(%d) g(%d) b(%d) a(%d)\n", __FUNCTION__, r, g, b, a);
+
+ if (!r) tmp |= S5_WRITEDISABLE_RED;
+ if (!g) tmp |= S5_WRITEDISABLE_GREEN;
+ if (!b) tmp |= S5_WRITEDISABLE_BLUE;
+ if (!a) tmp |= S5_WRITEDISABLE_ALPHA;
+
+ if (tmp != i915->state.Ctx[I915_CTXREG_LIS5]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS5] = tmp;
+ }
+}
+
+static void update_specular( GLcontext *ctx )
+{
+ /* A hack to trigger the rebuild of the fragment program.
+ */
+ INTEL_CONTEXT(ctx)->NewGLState |= _NEW_TEXTURE;
+ I915_CONTEXT(ctx)->tex_program.translated = 0;
+}
+
+static void i915LightModelfv(GLcontext *ctx, GLenum pname,
+ const GLfloat *param)
+{
+ if (INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) {
+ update_specular( ctx );
+ }
+}
+
+static void i915ShadeModel(GLcontext *ctx, GLenum mode)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+
+ if (mode == GL_SMOOTH) {
+ i915->state.Ctx[I915_CTXREG_LIS4] &= ~(S4_FLATSHADE_ALPHA |
+ S4_FLATSHADE_COLOR |
+ S4_FLATSHADE_SPECULAR);
+ } else {
+ i915->state.Ctx[I915_CTXREG_LIS4] |= (S4_FLATSHADE_ALPHA |
+ S4_FLATSHADE_COLOR |
+ S4_FLATSHADE_SPECULAR);
+ }
+}
+
+/* =============================================================
+ * Fog
+ */
+static void update_fog( GLcontext *ctx )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ GLenum mode;
+ GLboolean enabled;
+ GLboolean try_pixel_fog;
+
+ if (ctx->FragmentProgram.Enabled && ctx->FragmentProgram.Current) {
+ /* Pull in static fog state from program */
+
+ mode = ctx->FragmentProgram.Current->FogOption;
+ enabled = (mode != GL_NONE);
+ try_pixel_fog = 1;
+ }
+ else {
+ enabled = ctx->Fog.Enabled;
+ mode = ctx->Fog.Mode;
+
+ try_pixel_fog = (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT &&
+ ctx->Hint.Fog == GL_NICEST &&
+ 0); /* XXX - DISABLE -- Need ortho fallback */
+ }
+
+ if (!enabled) {
+ i915->vertex_fog = I915_FOG_NONE;
+ }
+ else if (try_pixel_fog) {
+
+ I915_STATECHANGE(i915, I915_UPLOAD_FOG);
+ i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_FOGFUNC_MASK;
+ i915->vertex_fog = I915_FOG_PIXEL;
+
+ switch (mode) {
+ case GL_LINEAR:
+ if (ctx->Fog.End <= ctx->Fog.Start) {
+ /* XXX - this won't work with fragment programs. Need to
+ * either fallback or append fog instructions to end of
+ * program in the case of linear fog.
+ */
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
+ i915->vertex_fog = I915_FOG_VERTEX;
+ }
+ else {
+ GLfloat c1 = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start);
+ GLfloat c2 = 1.0/(ctx->Fog.End-ctx->Fog.Start);
+
+ i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_C1_MASK;
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_LINEAR;
+ i915->state.Fog[I915_FOGREG_MODE1] |=
+ ((GLuint)(c1 * FMC1_C1_ONE)) & FMC1_C1_MASK;
+
+ if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
+ i915->state.Fog[I915_FOGREG_MODE2] = (GLuint)(c2 * FMC2_C2_ONE);
+ }
+ else {
+ union { float f; int i; } fi;
+ fi.f = c2;
+ i915->state.Fog[I915_FOGREG_MODE2] = fi.i;
+ }
+ }
+ break;
+ case GL_EXP:
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP;
+ break;
+ case GL_EXP2:
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP2;
+ break;
+ default:
+ break;
+ }
+ }
+ else /* if (i915->vertex_fog != I915_FOG_VERTEX) */ {
+ I915_STATECHANGE(i915, I915_UPLOAD_FOG);
+ i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_FOGFUNC_MASK;
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
+ i915->vertex_fog = I915_FOG_VERTEX;
+ }
+
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ I915_ACTIVESTATE(i915, I915_UPLOAD_FOG, enabled);
+ if (enabled)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_FOG_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_FOG_ENABLE;
+ }
+
+ if (enabled) {
+ _tnl_allow_vertex_fog( ctx, (i915->vertex_fog == I915_FOG_VERTEX) );
+ _tnl_allow_pixel_fog( ctx, (i915->vertex_fog != I915_FOG_VERTEX) );
+ }
+}
+
+static void i915Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *param)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+
+ switch (pname) {
+ case GL_FOG_COORDINATE_SOURCE_EXT:
+ case GL_FOG_MODE:
+ case GL_FOG_START:
+ case GL_FOG_END:
+ update_fog( ctx );
+ break;
+
+ case GL_FOG_DENSITY:
+ I915_STATECHANGE(i915, I915_UPLOAD_FOG);
+
+ if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
+ i915->state.Fog[I915_FOGREG_MODE3] = (GLuint)(ctx->Fog.Density *
+ FMC3_D_ONE);
+ }
+ else {
+ union { float f; int i; } fi;
+ fi.f = ctx->Fog.Density;
+ i915->state.Fog[I915_FOGREG_MODE3] = fi.i;
+ }
+ break;
+
+ case GL_FOG_COLOR:
+ I915_STATECHANGE(i915, I915_UPLOAD_FOG);
+ i915->state.Fog[I915_FOGREG_COLOR] =
+ (_3DSTATE_FOG_COLOR_CMD |
+ ((GLubyte)(ctx->Fog.Color[0]*255.0F) << 16) |
+ ((GLubyte)(ctx->Fog.Color[1]*255.0F) << 8) |
+ ((GLubyte)(ctx->Fog.Color[2]*255.0F) << 0));
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void i915Hint(GLcontext *ctx, GLenum target, GLenum state)
+{
+ switch (target) {
+ case GL_FOG_HINT:
+ update_fog( ctx );
+ break;
+ default:
+ break;
+ }
+}
+
+/* =============================================================
+ */
+
+static void i915Enable(GLcontext *ctx, GLenum cap, GLboolean state)
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+
+ switch(cap) {
+ case GL_TEXTURE_2D:
+ break;
+
+ case GL_LIGHTING:
+ case GL_COLOR_SUM:
+ update_specular( ctx );
+ break;
+
+ case GL_ALPHA_TEST:
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_ALPHA_TEST_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_ALPHA_TEST_ENABLE;
+ break;
+
+ case GL_BLEND:
+ i915EvalLogicOpBlendState(ctx);
+ break;
+
+ case GL_COLOR_LOGIC_OP:
+ i915EvalLogicOpBlendState(ctx);
+
+ /* Logicop doesn't seem to work at 16bpp:
+ */
+ if (i915->intel.intelScreen->cpp == 2)
+ FALLBACK( &i915->intel, I915_FALLBACK_LOGICOP, state );
+ break;
+
+ case GL_FRAGMENT_PROGRAM_ARB:
+ update_fog( ctx );
+ break;
+
+ case GL_DITHER:
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_COLOR_DITHER_ENABLE;
+ break;
+
+ case GL_DEPTH_TEST:
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_DEPTH_TEST_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_ENABLE;
+
+ i915DepthMask( ctx, ctx->Depth.Mask );
+ break;
+
+ case GL_SCISSOR_TEST:
+ I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
+ if (state)
+ i915->state.Buffer[I915_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
+ ENABLE_SCISSOR_RECT);
+ else
+ i915->state.Buffer[I915_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
+ DISABLE_SCISSOR_RECT);
+ break;
+
+ case GL_LINE_SMOOTH:
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS4] |= S4_LINE_ANTIALIAS_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_LINE_ANTIALIAS_ENABLE;
+ break;
+
+ case GL_FOG:
+ update_fog( ctx );
+ break;
+
+ case GL_CULL_FACE:
+ i915CullFaceFrontFace(ctx, 0);
+ break;
+
+ case GL_STENCIL_TEST:
+ if (i915->intel.hw_stencil) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= (S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE);
+ else
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE);
+ } else {
+ FALLBACK( &i915->intel, I915_FALLBACK_STENCIL, state );
+ }
+ break;
+
+ case GL_POLYGON_STIPPLE:
+ /* The stipple command worked on my 855GM box, but not my 845G.
+ * I'll do more testing later to find out exactly which hardware
+ * supports it. Disabled for now.
+ */
+ if (i915->intel.hw_stipple &&
+ i915->intel.reduced_primitive == GL_TRIANGLES)
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
+ if (state)
+ i915->state.Stipple[I915_STPREG_ST1] |= ST1_ENABLE;
+ else
+ i915->state.Stipple[I915_STPREG_ST1] &= ~ST1_ENABLE;
+ }
+ break;
+
+ default:
+ ;
+ }
+}
+
+
+static void i915_init_packets( i915ContextPtr i915 )
+{
+ intelScreenPrivate *screen = i915->intel.intelScreen;
+
+ /* Zero all state */
+ memset(&i915->state, 0, sizeof(i915->state));
+
+
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ /* Probably don't want to upload all this stuff every time one
+ * piece changes.
+ */
+ i915->state.Ctx[I915_CTXREG_LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
+ I1_LOAD_S(2) |
+ I1_LOAD_S(4) |
+ I1_LOAD_S(5) |
+ I1_LOAD_S(6) |
+ (4));
+ i915->state.Ctx[I915_CTXREG_LIS2] = 0;
+ i915->state.Ctx[I915_CTXREG_LIS4] = 0;
+ i915->state.Ctx[I915_CTXREG_LIS5] = 0;
+
+ if (screen->cpp == 2)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
+
+
+ i915->state.Ctx[I915_CTXREG_LIS6] = (S6_COLOR_WRITE_ENABLE |
+ (2 << S6_TRISTRIP_PV_SHIFT));
+
+ i915->state.Ctx[I915_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
+ ENABLE_LOGIC_OP_FUNC |
+ LOGIC_OP_FUNC(LOGICOP_COPY) |
+ ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(0xff) |
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(0xff));
+
+
+ i915->state.Ctx[I915_CTXREG_IAB] = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
+ IAB_MODIFY_ENABLE |
+ IAB_MODIFY_FUNC |
+ IAB_MODIFY_SRC_FACTOR |
+ IAB_MODIFY_DST_FACTOR);
+
+ i915->state.Ctx[I915_CTXREG_BLENDCOLOR0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
+ i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = 0;
+
+ }
+
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
+ i915->state.Stipple[I915_STPREG_ST0] = _3DSTATE_STIPPLE;
+ }
+
+
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_FOG);
+ i915->state.Fog[I915_FOGREG_MODE0] = _3DSTATE_FOG_MODE_CMD;
+ i915->state.Fog[I915_FOGREG_MODE1] = (FMC1_FOGFUNC_MODIFY_ENABLE |
+ FMC1_FOGFUNC_VERTEX |
+ FMC1_FOGINDEX_MODIFY_ENABLE |
+ FMC1_FOGINDEX_W |
+ FMC1_C1_C2_MODIFY_ENABLE |
+ FMC1_DENSITY_MODIFY_ENABLE);
+ i915->state.Fog[I915_FOGREG_COLOR] = _3DSTATE_FOG_COLOR_CMD;
+ }
+
+
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
+ i915->state.Buffer[I915_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
+ i915->state.Buffer[I915_DESTREG_CBUFADDR1] =
+ (BUF_3D_ID_COLOR_BACK |
+ BUF_3D_PITCH(screen->frontPitch * screen->cpp) |
+ BUF_3D_USE_FENCE);
+
+
+ i915->state.Buffer[I915_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
+ i915->state.Buffer[I915_DESTREG_DBUFADDR1] =
+ (BUF_3D_ID_DEPTH |
+ BUF_3D_PITCH(screen->depthPitch * screen->cpp) |
+ BUF_3D_USE_FENCE);
+ i915->state.Buffer[I915_DESTREG_DBUFADDR2] = screen->depthOffset;
+
+
+ i915->state.Buffer[I915_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
+
+ switch (screen->fbFormat) {
+ case DV_PF_555:
+ case DV_PF_565:
+ i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ LOD_PRECLAMP_OGL |
+ TEX_DEFAULT_COLOR_OGL |
+ DITHER_FULL_ALWAYS |
+ screen->fbFormat |
+ DEPTH_FRMT_16_FIXED);
+ break;
+ case DV_PF_8888:
+ i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
+ DSTORG_VERT_BIAS(0x8) | /* .5 */
+ LOD_PRECLAMP_OGL |
+ TEX_DEFAULT_COLOR_OGL |
+ screen->fbFormat |
+ DEPTH_FRMT_24_FIXED_8_OTHER);
+ break;
+ }
+ i915->state.Buffer[I915_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
+ DISABLE_SCISSOR_RECT);
+ i915->state.Buffer[I915_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
+ i915->state.Buffer[I915_DESTREG_SR1] = 0;
+ i915->state.Buffer[I915_DESTREG_SR2] = 0;
+ }
+
+
+ /* These will be emitted every at the head of every buffer, unless
+ * we get hardware contexts working.
+ */
+ i915->state.active = (I915_UPLOAD_PROGRAM |
+ I915_UPLOAD_STIPPLE |
+ I915_UPLOAD_CTX |
+ I915_UPLOAD_BUFFERS);
+}
+
+void i915InitStateFunctions( struct dd_function_table *functions )
+{
+ functions->AlphaFunc = i915AlphaFunc;
+ functions->BlendColor = i915BlendColor;
+ functions->BlendEquationSeparate = i915BlendEquationSeparate;
+ functions->BlendFuncSeparate = i915BlendFuncSeparate;
+ functions->ColorMask = i915ColorMask;
+ functions->CullFace = i915CullFaceFrontFace;
+ functions->DepthFunc = i915DepthFunc;
+ functions->DepthMask = i915DepthMask;
+ functions->Enable = i915Enable;
+ functions->Fogfv = i915Fogfv;
+ functions->FrontFace = i915CullFaceFrontFace;
+ functions->Hint = i915Hint;
+ functions->LightModelfv = i915LightModelfv;
+ functions->LineWidth = i915LineWidth;
+ functions->LogicOpcode = i915LogicOp;
+ functions->PointSize = i915PointSize;
+ functions->PolygonStipple = i915PolygonStipple;
+ functions->Scissor = i915Scissor;
+ functions->ShadeModel = i915ShadeModel;
+ functions->StencilFunc = i915StencilFunc;
+ functions->StencilMask = i915StencilMask;
+ functions->StencilOp = i915StencilOp;
+}
+
+
+void i915InitState( i915ContextPtr i915 )
+{
+ GLcontext *ctx = &i915->intel.ctx;
+
+ i915_init_packets( i915 );
+
+ intelInitState( ctx );
+
+ memcpy( &i915->initial, &i915->state, sizeof(i915->state) );
+ i915->current = &i915->state;
+}
+
+
+
+
+
+
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "image.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "texmem.h"
+#include "swrast/swrast.h"
+
+#include "mm.h"
+
+#include "intel_ioctl.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+
+
+
+
+
+/**
+ * Allocate space for and load the mesa images into the texture memory block.
+ * This will happen before drawing with a new texture, or drawing with a
+ * texture after it was swapped out or teximaged again.
+ */
+
+intelTextureObjectPtr i915AllocTexObj( struct gl_texture_object *texObj )
+{
+ i915TextureObjectPtr t = CALLOC_STRUCT( i915_texture_object );
+ if ( !t )
+ return NULL;
+
+ texObj->DriverData = t;
+ t->intel.base.tObj = texObj;
+ t->intel.dirty = I915_UPLOAD_TEX_ALL;
+ make_empty_list( &t->intel.base );
+ return &t->intel;
+}
+
+
+static void i915TexParameter( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *tObj,
+ GLenum pname, const GLfloat *params )
+{
+ i915TextureObjectPtr t = (i915TextureObjectPtr) tObj->DriverData;
+
+ switch (pname) {
+ case GL_TEXTURE_MIN_FILTER:
+ case GL_TEXTURE_MAG_FILTER:
+ case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+ case GL_TEXTURE_WRAP_S:
+ case GL_TEXTURE_WRAP_T:
+ case GL_TEXTURE_WRAP_R:
+ case GL_TEXTURE_BORDER_COLOR:
+ t->intel.dirty = I915_UPLOAD_TEX_ALL;
+ break;
+
+ case GL_TEXTURE_BASE_LEVEL:
+ case GL_TEXTURE_MAX_LEVEL:
+ case GL_TEXTURE_MIN_LOD:
+ case GL_TEXTURE_MAX_LOD:
+ /* The i915 and its successors can do a lot of this without
+ * reloading the textures. A project for someone?
+ */
+ intelFlush( ctx );
+ driSwapOutTextureObject( (driTextureObject *) t );
+ t->intel.dirty = I915_UPLOAD_TEX_ALL;
+ break;
+
+ default:
+ return;
+ }
+}
+
+
+static void i915TexEnv( GLcontext *ctx, GLenum target,
+ GLenum pname, const GLfloat *param )
+{
+ i915ContextPtr i915 = I915_CONTEXT( ctx );
+ GLuint unit = ctx->Texture.CurrentUnit;
+
+ switch (pname) {
+ case GL_TEXTURE_ENV_COLOR: /* Should be a tracked param */
+ case GL_TEXTURE_ENV_MODE:
+ case GL_COMBINE_RGB:
+ case GL_COMBINE_ALPHA:
+ case GL_SOURCE0_RGB:
+ case GL_SOURCE1_RGB:
+ case GL_SOURCE2_RGB:
+ case GL_SOURCE0_ALPHA:
+ case GL_SOURCE1_ALPHA:
+ case GL_SOURCE2_ALPHA:
+ case GL_OPERAND0_RGB:
+ case GL_OPERAND1_RGB:
+ case GL_OPERAND2_RGB:
+ case GL_OPERAND0_ALPHA:
+ case GL_OPERAND1_ALPHA:
+ case GL_OPERAND2_ALPHA:
+ case GL_RGB_SCALE:
+ case GL_ALPHA_SCALE:
+ i915->tex_program.translated = 0;
+ break;
+
+ case GL_TEXTURE_LOD_BIAS: {
+ int b = (int) ((*param) * 16.0);
+ if (b > 255) b = 255;
+ if (b < -256) b = -256;
+ I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
+ i915->state.Tex[unit][I915_TEXREG_SS2] &= ~SS2_LOD_BIAS_MASK;
+ i915->state.Tex[unit][I915_TEXREG_SS2] |=
+ ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
+ break;
+ }
+
+ default:
+ break;
+ }
+}
+
+
+static void i915BindTexture( GLcontext *ctx, GLenum target,
+ struct gl_texture_object *texObj )
+{
+ i915TextureObjectPtr tex = (i915TextureObjectPtr)texObj->DriverData;
+
+ if (tex->lastTarget != texObj->Target) {
+ tex->intel.dirty = I915_UPLOAD_TEX_ALL;
+ tex->lastTarget = texObj->Target;
+ }
+
+ /* Need this if image format changes between bound textures.
+ * Could try and shortcircuit by checking for differences in
+ * state between incoming and outgoing textures:
+ */
+ I915_CONTEXT(ctx)->tex_program.translated = 0;
+}
+
+
+
+void i915InitTextureFuncs( struct dd_function_table *functions )
+{
+ functions->BindTexture = i915BindTexture;
+ functions->TexEnv = i915TexEnv;
+ functions->TexParameter = i915TexParameter;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include <strings.h>
+
+#include "glheader.h"
+#include "macros.h"
+#include "enums.h"
+
+#include "tnl/t_context.h"
+#include "intel_batchbuffer.h"
+
+#include "i915_reg.h"
+#include "i915_context.h"
+#include "i915_program.h"
+
+static GLuint translate_tex_src_bit( struct i915_fragment_program *p,
+ GLubyte bit )
+{
+ switch (bit) {
+ case TEXTURE_1D_BIT: return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_2D_BIT: return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_RECT_BIT: return D0_SAMPLE_TYPE_2D;
+ case TEXTURE_3D_BIT: return D0_SAMPLE_TYPE_VOLUME;
+ case TEXTURE_CUBE_BIT: return D0_SAMPLE_TYPE_CUBE;
+ default: i915_program_error(p, "TexSrcBit"); return 0;
+ }
+}
+
+static GLuint get_source( struct i915_fragment_program *p,
+ GLenum src, GLuint unit )
+{
+ switch (src) {
+ case GL_TEXTURE:
+ if (p->src_texture == UREG_BAD) {
+
+ /* TODO: Use D0_CHANNEL_XY where possible.
+ */
+ GLuint dim = translate_tex_src_bit( p, p->ctx->Texture.Unit[unit]._ReallyEnabled);
+ GLuint sampler = i915_emit_decl(p, REG_TYPE_S, unit, dim);
+ GLuint texcoord = i915_emit_decl(p, REG_TYPE_T, unit, D0_CHANNEL_ALL);
+ GLuint tmp = i915_get_temp( p );
+ GLuint op = T0_TEXLD;
+
+ if (p->VB->TexCoordPtr[unit]->size == 4)
+ op = T0_TEXLDP;
+
+ p->src_texture = i915_emit_texld( p, tmp, A0_DEST_CHANNEL_ALL,
+ sampler, texcoord, op );
+ }
+
+ return p->src_texture;
+ case GL_CONSTANT:
+ return i915_emit_const4fv( p, p->ctx->Texture.Unit[unit].EnvColor );
+ case GL_PRIMARY_COLOR:
+ return i915_emit_decl(p, REG_TYPE_T, T_DIFFUSE, D0_CHANNEL_ALL);
+ case GL_PREVIOUS:
+ default:
+ i915_emit_decl(p,
+ GET_UREG_TYPE(p->src_previous),
+ GET_UREG_NR(p->src_previous), D0_CHANNEL_ALL);
+ return p->src_previous;
+ }
+}
+
+
+static GLuint emit_combine_source( struct i915_fragment_program *p,
+ GLuint mask,
+ GLuint unit,
+ GLenum source,
+ GLenum operand )
+{
+ GLuint arg, src;
+
+ src = get_source(p, source, unit);
+
+ switch (operand) {
+ case GL_ONE_MINUS_SRC_COLOR:
+ /* Get unused tmp,
+ * Emit tmp = 1.0 + arg.-x-y-z-w
+ */
+ arg = i915_get_temp( p );
+ return i915_emit_arith( p, A0_ADD, arg, mask, 0,
+ swizzle(src, ONE, ONE, ONE, ONE ),
+ negate(src, 1,1,1,1), 0);
+
+ case GL_SRC_ALPHA:
+ if (mask == A0_DEST_CHANNEL_W)
+ return src;
+ else
+ return swizzle( src, W, W, W, W );
+ case GL_ONE_MINUS_SRC_ALPHA:
+ /* Get unused tmp,
+ * Emit tmp = 1.0 + arg.-w-w-w-w
+ */
+ arg = i915_get_temp( p );
+ return i915_emit_arith( p, A0_ADD, arg, mask, 0,
+ swizzle(src, ONE, ONE, ONE, ONE ),
+ negate( swizzle(src,W,W,W,W), 1,1,1,1), 0);
+ case GL_SRC_COLOR:
+ default:
+ return src;
+ }
+}
+
+
+
+static int nr_args( GLenum mode )
+{
+ switch (mode) {
+ case GL_REPLACE: return 1;
+ case GL_MODULATE: return 2;
+ case GL_ADD: return 2;
+ case GL_ADD_SIGNED: return 2;
+ case GL_INTERPOLATE: return 3;
+ case GL_SUBTRACT: return 2;
+ case GL_DOT3_RGB_EXT: return 2;
+ case GL_DOT3_RGBA_EXT: return 2;
+ case GL_DOT3_RGB: return 2;
+ case GL_DOT3_RGBA: return 2;
+ default: return 0;
+ }
+}
+
+
+static GLboolean args_match( struct gl_texture_unit *texUnit )
+{
+ int i, nr = nr_args(texUnit->Combine.ModeRGB);
+
+ for (i = 0 ; i < nr ; i++) {
+ if (texUnit->Combine.SourceA[i] != texUnit->Combine.SourceRGB[i])
+ return GL_FALSE;
+
+ switch(texUnit->Combine.OperandA[i]) {
+ case GL_SRC_ALPHA:
+ switch(texUnit->Combine.OperandRGB[i]) {
+ case GL_SRC_COLOR:
+ case GL_SRC_ALPHA:
+ break;
+ default:
+ return GL_FALSE;
+ }
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ switch(texUnit->Combine.OperandRGB[i]) {
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ break;
+ default:
+ return GL_FALSE;
+ }
+ break;
+ default:
+ return GL_FALSE; /* impossible */
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLuint emit_combine( struct i915_fragment_program *p,
+ GLuint dest,
+ GLuint mask,
+ GLuint saturate,
+ GLuint unit,
+ GLenum mode,
+ const GLenum *source,
+ const GLenum *operand)
+{
+ int tmp, src[3], nr = nr_args(mode);
+ int i;
+
+ for (i = 0; i < nr; i++)
+ src[i] = emit_combine_source( p, mask, unit, source[i], operand[i] );
+
+ switch (mode) {
+ case GL_REPLACE:
+ if (mask == A0_DEST_CHANNEL_ALL && !saturate)
+ return src[0];
+ else
+ return i915_emit_arith( p, A0_MOV, dest, mask, saturate, src[0], 0, 0 );
+ case GL_MODULATE:
+ return i915_emit_arith( p, A0_MUL, dest, mask, saturate,
+ src[0], src[1], 0 );
+ case GL_ADD:
+ return i915_emit_arith( p, A0_ADD, dest, mask, saturate,
+ src[0], src[1], 0 );
+ case GL_ADD_SIGNED:
+ /* tmp = arg0 + arg1
+ * result = tmp + -.5
+ */
+ tmp = i915_emit_const1f(p, .5);
+ tmp = negate(swizzle(tmp,X,X,X,X),1,1,1,1);
+ i915_emit_arith( p, A0_ADD, dest, mask, 0, src[0], src[1], 0 );
+ i915_emit_arith( p, A0_ADD, dest, mask, saturate, dest, tmp, 0 );
+ return dest;
+ case GL_INTERPOLATE: /* TWO INSTRUCTIONS */
+ /* Arg0 * (Arg2) + Arg1 * (1-Arg2)
+ *
+ * Arg0*Arg2 + Arg1 - Arg1Arg2
+ *
+ * tmp = Arg0*Arg2 + Arg1,
+ * result = (-Arg1)Arg2 + tmp
+ */
+ tmp = i915_get_temp( p );
+ i915_emit_arith( p, A0_MAD, tmp, mask, 0, src[0], src[2], src[1] );
+ i915_emit_arith( p, A0_MAD, dest, mask, saturate,
+ negate(src[1], 1,1,1,1), src[2], tmp );
+ return dest;
+ case GL_SUBTRACT:
+ /* negate src[1] */
+ return i915_emit_arith( p, A0_ADD, dest, mask, saturate, src[0],
+ negate(src[1],1,1,1,1), 0 );
+
+ case GL_DOT3_RGBA:
+ case GL_DOT3_RGBA_EXT:
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGB: {
+ GLuint tmp0 = i915_get_temp( p );
+ GLuint tmp1 = i915_get_temp( p );
+ GLuint neg1 = negate(swizzle(i915_emit_const1f(p, 1),X,X,X,X), 1,1,1,1);
+ GLuint two = swizzle(i915_emit_const1f(p, 2),X,X,X,X);
+ i915_emit_arith( p, A0_MAD, tmp0, A0_DEST_CHANNEL_ALL, 0,
+ two, src[0], neg1);
+ if (src[0] == src[1])
+ tmp1 = tmp0;
+ else
+ i915_emit_arith( p, A0_MAD, tmp1, A0_DEST_CHANNEL_ALL, 0,
+ two, src[1], neg1);
+ i915_emit_arith( p, A0_DP3, dest, mask, saturate, tmp0, tmp1, 0);
+ return dest;
+ }
+
+ default:
+ return src[0];
+ }
+}
+
+static GLuint get_dest( struct i915_fragment_program *p, int unit )
+{
+ if (p->ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+ return i915_get_temp( p );
+ else if (unit != p->last_tex_stage)
+ return i915_get_temp( p );
+ else
+ return UREG(REG_TYPE_OC, 0);
+}
+
+
+
+static GLuint emit_texenv( struct i915_fragment_program *p, int unit )
+{
+ struct gl_texture_unit *texUnit = &p->ctx->Texture.Unit[unit];
+ GLenum envMode = texUnit->EnvMode;
+ struct gl_texture_object *tObj = texUnit->_Current;
+ GLenum format = tObj->Image[0][tObj->BaseLevel]->Format;
+ GLuint saturate = unit < p->last_tex_stage ? A0_DEST_SATURATE : 0;
+
+ switch(envMode) {
+ case GL_BLEND: {
+ const int cf = get_source(p, GL_PREVIOUS, unit);
+ const int cc = get_source(p, GL_CONSTANT, unit);
+ const int cs = get_source(p, GL_TEXTURE, unit);
+ const int out = get_dest(p, unit);
+
+ if (format == GL_INTENSITY) {
+ /* cv = cf(1 - cs) + cc.cs
+ * cv = cf - cf.cs + cc.cs
+ */
+ /* u[2] = MAD( -cf * cs + cf )
+ * cv = MAD( cc * cs + u[2] )
+ */
+
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, 0,
+ negate(cf,1,1,1,1), cs, cf );
+
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, saturate,
+ cc, cs, out );
+
+ return out;
+ } else {
+ /* cv = cf(1 - cs) + cc.cs
+ * cv = cf - cf.cs + cc.cs
+ * av = af.as
+ */
+ /* u[2] = MAD( cf.-x-y-zw * cs.xyzw + cf.xyz0 )
+ * oC = MAD( cc.xyz0 * cs.xyz0 + u[2].xyzw )
+ */
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, 0,
+ negate(cf,1,1,1,0),
+ cs,
+ swizzle(cf,X,Y,Z,ZERO) );
+
+
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, saturate,
+ swizzle(cc,X,Y,Z,ZERO),
+ swizzle(cs,X,Y,Z,ZERO),
+ out );
+
+ return out;
+ }
+ }
+
+ case GL_DECAL: {
+ if (format == GL_RGB ||
+ format == GL_RGBA) {
+ int cf = get_source( p, GL_PREVIOUS, unit );
+ int cs = get_source( p, GL_TEXTURE, unit );
+ int out = get_dest(p, unit);
+
+ /* cv = cf(1-as) + cs.as
+ * cv = cf.(-as) + cf + cs.as
+ * av = af
+ */
+
+ /* u[2] = mad( cf.xyzw * cs.-w-w-w1 + cf.xyz0 )
+ * oc = mad( cs.xyz0 * cs.www0 + u[2].xyzw )
+ */
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, 0,
+ cf,
+ negate(swizzle(cs,W,W,W,ONE),1,1,1,0),
+ swizzle(cf,X,Y,Z,ZERO) );
+
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, saturate,
+ swizzle(cs,X,Y,Z,ZERO),
+ swizzle(cs,W,W,W,ZERO),
+ out );
+ return out;
+ }
+ else {
+ return get_source( p, GL_PREVIOUS, unit );
+ }
+ }
+
+ case GL_REPLACE: {
+ const int cs = get_source( p, GL_TEXTURE, unit ); /* saturated */
+ switch (format) {
+ case GL_ALPHA: {
+ const int cf = get_source( p, GL_PREVIOUS, unit ); /* saturated */
+ i915_emit_arith( p, A0_MOV, cs, A0_DEST_CHANNEL_XYZ, 0, cf, 0, 0 );
+ return cs;
+ }
+ case GL_RGB:
+ case GL_LUMINANCE: {
+ const int cf = get_source( p, GL_PREVIOUS, unit ); /* saturated */
+ i915_emit_arith( p, A0_MOV, cs, A0_DEST_CHANNEL_W, 0, cf, 0, 0 );
+ return cs;
+ }
+ default:
+ return cs;
+ }
+ }
+
+ case GL_MODULATE: {
+ const int cf = get_source( p, GL_PREVIOUS, unit );
+ const int cs = get_source( p, GL_TEXTURE, unit );
+ const int out = get_dest(p, unit);
+ switch (format) {
+ case GL_ALPHA:
+ i915_emit_arith( p, A0_MUL, out, A0_DEST_CHANNEL_ALL, saturate,
+ swizzle(cs, ONE, ONE, ONE, W), cf, 0 );
+ break;
+ default:
+ i915_emit_arith( p, A0_MUL, out, A0_DEST_CHANNEL_ALL, saturate,
+ cs, cf, 0 );
+ break;
+ }
+ return out;
+ }
+ case GL_ADD: {
+ int cf = get_source( p, GL_PREVIOUS, unit );
+ int cs = get_source( p, GL_TEXTURE, unit );
+ const int out = get_dest( p, unit );
+
+ if (format == GL_INTENSITY) {
+ /* output-color.rgba = add( incoming, u[1] )
+ */
+ i915_emit_arith( p, A0_ADD, out, A0_DEST_CHANNEL_ALL, saturate,
+ cs, cf, 0 );
+ return out;
+ }
+ else {
+ /* cv.xyz = cf.xyz + cs.xyz
+ * cv.w = cf.w * cs.w
+ *
+ * cv.xyzw = MAD( cf.111w * cs.xyzw + cf.xyz0 )
+ */
+ i915_emit_arith( p, A0_MAD, out, A0_DEST_CHANNEL_ALL, saturate,
+ swizzle(cf,ONE,ONE,ONE,W),
+ cs,
+ swizzle(cf,X,Y,Z,ZERO) );
+ return out;
+ }
+ break;
+ }
+ case GL_COMBINE: {
+ GLuint rgb_shift, alpha_shift, out, shift;
+ GLuint dest = get_dest(p, unit);
+
+ /* The EXT version of the DOT3 extension does not support the
+ * scale factor, but the ARB version (and the version in OpenGL
+ * 1.3) does.
+ */
+ switch (texUnit->Combine.ModeRGB) {
+ case GL_DOT3_RGB_EXT:
+ alpha_shift = texUnit->Combine.ScaleShiftA;
+ rgb_shift = 0;
+ break;
+
+ case GL_DOT3_RGBA_EXT:
+ alpha_shift = 0;
+ rgb_shift = 0;
+ break;
+
+ default:
+ rgb_shift = texUnit->Combine.ScaleShiftRGB;
+ alpha_shift = texUnit->Combine.ScaleShiftA;
+ break;
+ }
+
+
+ /* Emit the RGB and A combine ops
+ */
+ if (texUnit->Combine.ModeRGB == texUnit->Combine.ModeA &&
+ args_match( texUnit )) {
+ out = emit_combine( p, dest, A0_DEST_CHANNEL_ALL, saturate,
+ unit,
+ texUnit->Combine.ModeRGB,
+ texUnit->Combine.SourceRGB,
+ texUnit->Combine.OperandRGB );
+ }
+ else if (texUnit->Combine.ModeRGB == GL_DOT3_RGBA_EXT ||
+ texUnit->Combine.ModeRGB == GL_DOT3_RGBA) {
+
+ out = emit_combine( p, dest, A0_DEST_CHANNEL_ALL, saturate,
+ unit,
+ texUnit->Combine.ModeRGB,
+ texUnit->Combine.SourceRGB,
+ texUnit->Combine.OperandRGB );
+ }
+ else {
+ /* Need to do something to stop from re-emitting identical
+ * argument calculations here:
+ */
+ out = emit_combine( p, dest, A0_DEST_CHANNEL_XYZ, saturate,
+ unit,
+ texUnit->Combine.ModeRGB,
+ texUnit->Combine.SourceRGB,
+ texUnit->Combine.OperandRGB );
+ out = emit_combine( p, dest, A0_DEST_CHANNEL_W, saturate,
+ unit,
+ texUnit->Combine.ModeA,
+ texUnit->Combine.SourceA,
+ texUnit->Combine.OperandA );
+ }
+
+ /* Deal with the final shift:
+ */
+ if (alpha_shift || rgb_shift) {
+ if (rgb_shift == alpha_shift) {
+ shift = i915_emit_const1f(p, 1<<rgb_shift);
+ shift = swizzle(shift,X,X,X,X);
+ }
+ else {
+ shift = i915_emit_const2f(p, 1<<rgb_shift, 1<<alpha_shift);
+ shift = swizzle(shift,X,X,X,Y);
+ }
+ return i915_emit_arith( p, A0_MUL, dest, A0_DEST_CHANNEL_ALL,
+ saturate, out, shift, 0 );
+ }
+
+ return out;
+ }
+
+ default:
+ return get_source(p, GL_PREVIOUS, 0);
+ }
+}
+
+static void emit_program_fini( struct i915_fragment_program *p )
+{
+ int cf = get_source( p, GL_PREVIOUS, 0 );
+ int out = UREG( REG_TYPE_OC, 0 );
+
+ if (p->ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
+ /* Emit specular add.
+ */
+ GLuint s = i915_emit_decl(p, REG_TYPE_T, T_SPECULAR, D0_CHANNEL_ALL);
+ i915_emit_arith( p, A0_ADD, out, A0_DEST_CHANNEL_ALL, 0, cf,
+ swizzle(s, X,Y,Z,ZERO), 0 );
+ }
+ else if (cf != out) {
+ /* Will wind up in here if no texture enabled or a couple of
+ * other scenarios (GL_REPLACE for instance).
+ */
+ i915_emit_arith( p, A0_MOV, out, A0_DEST_CHANNEL_ALL, 0, cf, 0, 0 );
+ }
+}
+
+
+static void i915EmitTextureProgram( i915ContextPtr i915 )
+{
+ GLcontext *ctx = &i915->intel.ctx;
+ struct i915_fragment_program *p = &i915->tex_program;
+ GLuint unit;
+
+ if (0) fprintf(stderr, "%s\n", __FUNCTION__);
+
+ i915_init_program( i915, p );
+
+ if (ctx->Texture._EnabledUnits) {
+ for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
+ if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+ p->last_tex_stage = unit;
+ }
+
+ for (unit = 0 ; unit < ctx->Const.MaxTextureUnits; unit++)
+ if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+ p->src_previous = emit_texenv( p, unit );
+ p->src_texture = UREG_BAD;
+ p->temp_flag = 0xffff000;
+ p->temp_flag |= 1 << GET_UREG_NR(p->src_previous);
+ }
+ }
+
+ emit_program_fini( p );
+
+ i915_fini_program( p );
+ i915_upload_program( i915, p );
+
+ p->translated = 1;
+}
+
+
+void i915ValidateTextureProgram( i915ContextPtr i915 )
+{
+ intelContextPtr intel = &i915->intel;
+ GLcontext *ctx = &intel->ctx;
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint index = tnl->render_inputs;
+ int i, offset;
+ GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
+ GLuint s2 = S2_TEXCOORD_NONE;
+
+ /* Important:
+ */
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+ intel->vertex_attr_count = 0;
+ intel->coloroffset = 0;
+ intel->specoffset = 0;
+ offset = 0;
+
+ if (i915->vertex_fog == I915_FOG_PIXEL) {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16 );
+ index &= ~_TNL_BIT_FOG;
+ }
+ else if (index & _TNL_BITS_TEX_ANY) {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, S4_VFMT_XYZW, 16 );
+ }
+ else {
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, S4_VFMT_XYZ, 12 );
+ }
+
+ /* How undefined is undefined? */
+ if (index & _TNL_BIT_POINTSIZE) {
+ EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, S4_VFMT_POINT_WIDTH, 4 );
+ }
+
+ intel->coloroffset = offset / 4;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, S4_VFMT_COLOR, 4 );
+
+ if (index & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) {
+ if (index & _TNL_BIT_COLOR1) {
+ intel->specoffset = offset / 4;
+ EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, S4_VFMT_SPEC_FOG, 3 );
+ } else
+ EMIT_PAD( 3 );
+
+ if (index & _TNL_BIT_FOG)
+ EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, S4_VFMT_SPEC_FOG, 1 );
+ else
+ EMIT_PAD( 1 );
+ }
+
+ if (index & _TNL_BITS_TEX_ANY) {
+ for (i = 0; i < 8; i++) {
+ if (index & _TNL_BIT_TEX(i)) {
+ int sz = VB->TexCoordPtr[i]->size;
+
+ s2 &= ~S2_TEXCOORD_FMT(i, S2_TEXCOORD_FMT0_MASK);
+ s2 |= S2_TEXCOORD_FMT(i, SZ_TO_HW(sz));
+
+ EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_SZ(sz), 0, sz * 4 );
+ }
+ }
+ }
+
+ /* Only need to change the vertex emit code if there has been a
+ * statechange to a new hardware vertex format:
+ */
+ if (s2 != i915->state.Ctx[I915_CTXREG_LIS2] ||
+ s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
+
+ I915_STATECHANGE( i915, I915_UPLOAD_CTX );
+
+ i915->tex_program.translated = 0;
+
+ /* Must do this *after* statechange, so as not to affect
+ * buffered vertices reliant on the old state:
+ */
+ intel->vertex_size = _tnl_install_attrs( ctx,
+ intel->vertex_attrs,
+ intel->vertex_attr_count,
+ intel->ViewportMatrix.m, 0 );
+
+ intel->vertex_size >>= 2;
+
+ i915->state.Ctx[I915_CTXREG_LIS2] = s2;
+ i915->state.Ctx[I915_CTXREG_LIS4] = s4;
+
+ assert(intel->vtbl.check_vertex_size( intel, intel->vertex_size ));
+ }
+
+ if (!i915->tex_program.translated ||
+ i915->last_ReallyEnabled != ctx->Texture._EnabledUnits) {
+ i915EmitTextureProgram( i915 );
+ i915->last_ReallyEnabled = ctx->Texture._EnabledUnits;
+ }
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "texformat.h"
+#include "texstore.h"
+
+#include "mm.h"
+
+#include "intel_screen.h"
+#include "intel_ioctl.h"
+#include "intel_tex.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+static GLint initial_offsets[6][2] = { {0,0},
+ {0,2},
+ {1,0},
+ {1,2},
+ {1,1},
+ {1,3} };
+
+
+static GLint step_offsets[6][2] = { {0,2},
+ {0,2},
+ {-1,2},
+ {-1,2},
+ {-1,1},
+ {-1,1} };
+
+
+#define I915_TEX_UNIT_ENABLED(unit) (1<<unit)
+
+static void i915SetTexImages( i915ContextPtr i915,
+ struct gl_texture_object *tObj )
+{
+ GLuint total_height, pitch, i, textureFormat;
+ i915TextureObjectPtr t = (i915TextureObjectPtr) tObj->DriverData;
+ const struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
+ GLint firstLevel, lastLevel, numLevels;
+ GLint ss2 = 0;
+
+ switch( baseImage->TexFormat->MesaFormat ) {
+ case MESA_FORMAT_L8:
+ t->intel.texelBytes = 1;
+ textureFormat = MAPSURF_8BIT | MT_8BIT_L8;
+ break;
+
+ case MESA_FORMAT_I8:
+ t->intel.texelBytes = 1;
+ textureFormat = MAPSURF_8BIT | MT_8BIT_I8;
+ break;
+
+ case MESA_FORMAT_A8:
+ t->intel.texelBytes = 1;
+ textureFormat = MAPSURF_8BIT | MT_8BIT_A8;
+ break;
+
+ case MESA_FORMAT_AL88:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_AY88;
+ break;
+
+ case MESA_FORMAT_RGB565:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
+ break;
+
+ case MESA_FORMAT_ARGB1555:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
+ break;
+
+ case MESA_FORMAT_ARGB4444:
+ t->intel.texelBytes = 2;
+ textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB4444;
+ break;
+
+ case MESA_FORMAT_ARGB8888:
+ t->intel.texelBytes = 4;
+ textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
+ break;
+
+ case MESA_FORMAT_YCBCR_REV:
+ t->intel.texelBytes = 2;
+ textureFormat = (MAPSURF_422 | MT_422_YCRCB_NORMAL);
+ ss2 |= SS2_COLORSPACE_CONVERSION;
+ break;
+
+ case MESA_FORMAT_YCBCR:
+ t->intel.texelBytes = 2;
+ textureFormat = (MAPSURF_422 | MT_422_YCRCB_SWAPY);
+ ss2 |= SS2_COLORSPACE_CONVERSION;
+ break;
+
+ default:
+ fprintf(stderr, "%s: bad image format\n", __FUNCTION__);
+ abort();
+ }
+
+ /* Compute which mipmap levels we really want to send to the hardware.
+ */
+ driCalculateTextureFirstLastLevel( (driTextureObject *) t );
+
+
+ /* Figure out the amount of memory required to hold all the mipmap
+ * levels. Choose the smallest pitch to accomodate the largest
+ * mipmap:
+ */
+ firstLevel = t->intel.base.firstLevel;
+ lastLevel = t->intel.base.lastLevel;
+ numLevels = lastLevel - firstLevel + 1;
+
+
+
+ /* All images must be loaded at this pitch. Count the number of
+ * lines required:
+ */
+ switch (tObj->Target) {
+ case GL_TEXTURE_CUBE_MAP: {
+ const GLuint dim = tObj->Image[0][firstLevel]->Width;
+ GLuint face;
+
+ pitch = dim * t->intel.texelBytes;
+ pitch *= 2; /* double pitch for cube layouts */
+ pitch = (pitch + 3) & ~3;
+
+ total_height = dim * 4;
+
+ for ( face = 0 ; face < 6 ; face++) {
+ GLuint x = initial_offsets[face][0] * dim;
+ GLuint y = initial_offsets[face][1] * dim;
+ GLuint d = dim;
+
+ t->intel.base.dirty_images[face] = ~0;
+
+ assert(tObj->Image[face][firstLevel]->Width == dim);
+ assert(tObj->Image[face][firstLevel]->Height == dim);
+
+ for (i = 0; i < numLevels; i++) {
+ t->intel.image[face][i].image = tObj->Image[face][firstLevel + i];
+ if (!t->intel.image[face][i].image) {
+ fprintf(stderr, "no image %d %d\n", face, i);
+ break; /* can't happen */
+ }
+
+ t->intel.image[face][i].offset =
+ y * pitch + x * t->intel.texelBytes;
+ t->intel.image[face][i].internalFormat = baseImage->Format;
+
+ d >>= 1;
+ x += step_offsets[face][0] * d;
+ y += step_offsets[face][1] * d;
+ }
+ }
+ break;
+ }
+ case GL_TEXTURE_3D: {
+ GLuint virtual_height;
+ GLuint tmp_numLevels = numLevels;
+ pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes;
+ pitch = (pitch + 3) & ~3;
+ t->intel.base.dirty_images[0] = ~0;
+
+ /* Calculate the size of a single slice. Hardware demands a
+ * minimum of 8 mipmaps, some of which might ultimately not be
+ * used:
+ */
+ if (tmp_numLevels < 9)
+ tmp_numLevels = 9;
+
+ virtual_height = tObj->Image[0][firstLevel]->Height;
+
+ for ( total_height = i = 0 ; i < tmp_numLevels ; i++ ) {
+ t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
+ if (t->intel.image[0][i].image) {
+ t->intel.image[0][i].offset = total_height * pitch;
+ t->intel.image[0][i].internalFormat = baseImage->Format;
+ }
+
+ total_height += MAX2(2, virtual_height);
+ virtual_height >>= 1;
+ }
+
+ t->intel.depth_pitch = total_height * pitch;
+
+ /* Multiply slice size by texture depth for total size. It's
+ * remarkable how wasteful of memory all the i8x0 texture
+ * layouts are.
+ */
+ total_height *= t->intel.image[0][0].image->Depth;
+ break;
+ }
+ default:
+ pitch = tObj->Image[0][firstLevel]->Width * t->intel.texelBytes;
+ pitch = (pitch + 3) & ~3;
+ t->intel.base.dirty_images[0] = ~0;
+
+ for ( total_height = i = 0 ; i < numLevels ; i++ ) {
+ t->intel.image[0][i].image = tObj->Image[0][firstLevel + i];
+ if (!t->intel.image[0][i].image)
+ break;
+
+ t->intel.image[0][i].offset = total_height * pitch;
+ t->intel.image[0][i].internalFormat = baseImage->Format;
+ total_height += MAX2(2, t->intel.image[0][i].image->Height);
+ }
+ break;
+ }
+
+ t->intel.Pitch = pitch;
+ t->intel.base.totalSize = total_height*pitch;
+ t->intel.max_level = numLevels-1;
+ t->Setup[I915_TEXREG_MS3] =
+ (((tObj->Image[0][firstLevel]->Height - 1) << MS3_HEIGHT_SHIFT) |
+ ((tObj->Image[0][firstLevel]->Width - 1) << MS3_WIDTH_SHIFT) |
+ textureFormat |
+ MS3_USE_FENCE_REGS);
+ t->Setup[I915_TEXREG_MS4] =
+ ((((pitch / 4) - 1) << MS4_PITCH_SHIFT) |
+ MS4_CUBE_FACE_ENA_MASK |
+ (((t->intel.max_level * 4)) << MS4_MAX_LOD_SHIFT) |
+ ((tObj->Image[0][firstLevel]->Depth - 1) << MS4_VOLUME_DEPTH_SHIFT));
+
+ t->Setup[I915_TEXREG_SS2] &= ~SS2_COLORSPACE_CONVERSION;
+ t->Setup[I915_TEXREG_SS2] |= ss2;
+
+ t->intel.dirty = I915_UPLOAD_TEX_ALL;
+}
+
+
+/* The i915 (and related graphics cores) do not support GL_CLAMP. The
+ * Intel drivers for "other operating systems" implement GL_CLAMP as
+ * GL_CLAMP_TO_EDGE, so the same is done here.
+ */
+static GLuint translate_wrap_mode( GLenum wrap )
+{
+ switch( wrap ) {
+ case GL_REPEAT: return TEXCOORDMODE_WRAP;
+ case GL_CLAMP: return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */
+ case GL_CLAMP_TO_EDGE: return TEXCOORDMODE_CLAMP_EDGE;
+ case GL_CLAMP_TO_BORDER: return TEXCOORDMODE_CLAMP_BORDER;
+ case GL_MIRRORED_REPEAT: return TEXCOORDMODE_MIRROR;
+ default: return TEXCOORDMODE_WRAP;
+ }
+}
+
+
+/**
+ */
+static void i915ImportTexObjState( struct gl_texture_object *texObj )
+{
+ i915TextureObjectPtr t = (i915TextureObjectPtr)texObj->DriverData;
+ int minFilt = 0, mipFilt = 0, magFilt = 0;
+
+ if(INTEL_DEBUG&DEBUG_DRI)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ switch (texObj->MinFilter) {
+ case GL_NEAREST:
+ minFilt = FILTER_NEAREST;
+ mipFilt = MIPFILTER_NONE;
+ break;
+ case GL_LINEAR:
+ minFilt = FILTER_LINEAR;
+ mipFilt = MIPFILTER_NONE;
+ break;
+ case GL_NEAREST_MIPMAP_NEAREST:
+ minFilt = FILTER_NEAREST;
+ mipFilt = MIPFILTER_NEAREST;
+ break;
+ case GL_LINEAR_MIPMAP_NEAREST:
+ minFilt = FILTER_LINEAR;
+ mipFilt = MIPFILTER_NEAREST;
+ break;
+ case GL_NEAREST_MIPMAP_LINEAR:
+ minFilt = FILTER_NEAREST;
+ mipFilt = MIPFILTER_LINEAR;
+ break;
+ case GL_LINEAR_MIPMAP_LINEAR:
+ minFilt = FILTER_LINEAR;
+ mipFilt = MIPFILTER_LINEAR;
+ break;
+ default:
+ break;
+ }
+
+ if ( texObj->MaxAnisotropy > 1.0 ) {
+ minFilt = FILTER_ANISOTROPIC;
+ magFilt = FILTER_ANISOTROPIC;
+ }
+ else {
+ switch (texObj->MagFilter) {
+ case GL_NEAREST:
+ magFilt = FILTER_NEAREST;
+ break;
+ case GL_LINEAR:
+ magFilt = FILTER_LINEAR;
+ break;
+ default:
+ break;
+ }
+ }
+
+ t->Setup[I915_TEXREG_SS2] &= ~SS2_MIN_FILTER_MASK;
+ t->Setup[I915_TEXREG_SS2] &= ~SS2_MIP_FILTER_MASK;
+ t->Setup[I915_TEXREG_SS2] &= ~SS2_MAG_FILTER_MASK;
+ t->Setup[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
+ (mipFilt << SS2_MIP_FILTER_SHIFT) |
+ (magFilt << SS2_MAG_FILTER_SHIFT));
+
+ {
+ GLuint ss3 = t->Setup[I915_TEXREG_SS3] & ~(SS3_TCX_ADDR_MODE_MASK |
+ SS3_TCY_ADDR_MODE_MASK |
+ SS3_TCZ_ADDR_MODE_MASK);
+ GLenum ws = texObj->WrapS;
+ GLenum wt = texObj->WrapT;
+ GLenum wr = texObj->WrapR;
+
+ t->refs_border_color = 0;
+
+ if (texObj->Target == GL_TEXTURE_3D &&
+ (texObj->MinFilter != GL_NEAREST ||
+ texObj->MagFilter != GL_NEAREST)) {
+
+ /* Try to mimic GL_CLAMP functionality a little better -
+ * switch to CLAMP_TO_BORDER whenever a non-NEAREST filter is
+ * in use. Only do this for 3D textures at the moment --
+ * doing it universally would fix the conform texbc.c
+ * failure, though.
+ */
+ if (ws == GL_CLAMP) ws = GL_CLAMP_TO_BORDER;
+ if (wt == GL_CLAMP) wt = GL_CLAMP_TO_BORDER;
+ if (wr == GL_CLAMP) wr = GL_CLAMP_TO_BORDER;
+
+ /* 3D textures don't seem to respect the border color.
+ * Fallback if there's ever a danger that they might refer to
+ * it.
+ */
+ if (ws == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
+ if (wt == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
+ if (wr == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
+ }
+
+ ss3 |= translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT;
+ ss3 |= translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT;
+ ss3 |= translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT;
+
+ if (ss3 != t->Setup[I915_TEXREG_SS3]) {
+ t->intel.dirty = I915_UPLOAD_TEX_ALL;
+ t->Setup[I915_TEXREG_SS3] = ss3;
+ }
+ }
+
+ {
+ const GLubyte *color = texObj->_BorderChan;
+
+ t->Setup[I915_TEXREG_SS4] = INTEL_PACKCOLOR8888(color[0],color[1],
+ color[2],color[3]);
+ }
+}
+
+
+
+static void i915_import_tex_unit( i915ContextPtr i915,
+ i915TextureObjectPtr t,
+ GLuint unit )
+{
+ GLuint state[I915_TEX_SETUP_SIZE];
+
+ if(INTEL_DEBUG&DEBUG_TEXTURE)
+ fprintf(stderr, "%s unit(%d)\n", __FUNCTION__, unit);
+
+ if (i915->intel.CurrentTexObj[unit])
+ i915->intel.CurrentTexObj[unit]->base.bound &= ~(1U << unit);
+
+ i915->intel.CurrentTexObj[unit] = (intelTextureObjectPtr)t;
+ t->intel.base.bound |= (1 << unit);
+
+ if (t->intel.dirty & I915_UPLOAD_TEX(unit)) {
+ i915ImportTexObjState( t->intel.base.tObj );
+ t->intel.dirty &= ~I915_UPLOAD_TEX(unit);
+ }
+
+ state[I915_TEXREG_MS2] = t->intel.TextureOffset;
+ state[I915_TEXREG_MS3] = t->Setup[I915_TEXREG_MS3];
+ state[I915_TEXREG_MS4] = t->Setup[I915_TEXREG_MS4];
+
+ state[I915_TEXREG_SS2] = (i915->state.Tex[unit][I915_TEXREG_SS2] &
+ SS2_LOD_BIAS_MASK);
+ state[I915_TEXREG_SS2] |= (t->Setup[I915_TEXREG_SS2] & ~SS2_LOD_BIAS_MASK);
+
+ state[I915_TEXREG_SS3] = (i915->state.Tex[unit][I915_TEXREG_SS3] &
+ SS3_NORMALIZED_COORDS);
+ state[I915_TEXREG_SS3] |= (t->Setup[I915_TEXREG_SS3] &
+ ~(SS3_NORMALIZED_COORDS|
+ SS3_TEXTUREMAP_INDEX_MASK));
+
+ state[I915_TEXREG_SS3] |= (unit<<SS3_TEXTUREMAP_INDEX_SHIFT);
+
+ state[I915_TEXREG_SS4] = t->Setup[I915_TEXREG_SS4];
+
+
+ if (memcmp(state, i915->state.Tex[unit], sizeof(state)) != 0) {
+ I915_STATECHANGE( i915, I915_UPLOAD_TEX(unit) );
+ memcpy(i915->state.Tex[unit], state, sizeof(state));
+ }
+}
+
+
+
+static GLboolean enable_tex_common( GLcontext *ctx, GLuint unit )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
+
+ if (0) fprintf(stderr, "%s %d\n", __FUNCTION__, unit);
+
+ if (!(i915->state.active & I915_UPLOAD_TEX(unit))) {
+ I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(unit), GL_TRUE);
+ }
+
+ /* Fallback if there's a texture border */
+ if ( tObj->Image[0][tObj->BaseLevel]->Border > 0 ) {
+ return GL_FALSE;
+ }
+
+
+ /* Update state if this is a different texture object to last
+ * time.
+ */
+ if (i915->intel.CurrentTexObj[unit] != &t->intel ||
+ (t->intel.dirty & I915_UPLOAD_TEX(unit))) {
+ i915_import_tex_unit( i915, t, unit);
+ i915->tex_program.translated = 0;
+ }
+
+ return GL_TRUE;
+}
+
+static GLboolean enable_tex_rect( GLcontext *ctx, GLuint unit )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
+ GLuint ss3 = i915->state.Tex[unit][I915_TEXREG_SS3];
+
+ ss3 &= ~SS3_NORMALIZED_COORDS;
+
+ if (ss3 != i915->state.Tex[unit][I915_TEXREG_SS3]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
+ i915->state.Tex[unit][I915_TEXREG_SS3] = ss3;
+ }
+
+ /* Upload teximages (not pipelined)
+ */
+ if (t->intel.base.dirty_images[0]) {
+ i915SetTexImages( i915, tObj );
+ if (!intelUploadTexImages( &i915->intel, &t->intel, 0 )) {
+ return GL_FALSE;
+ }
+ }
+
+ return GL_TRUE;
+}
+
+
+static GLboolean enable_tex_2d( GLcontext *ctx, GLuint unit )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
+ GLuint ss3 = i915->state.Tex[unit][I915_TEXREG_SS3];
+
+ ss3 |= SS3_NORMALIZED_COORDS;
+
+ if (ss3 != i915->state.Tex[unit][I915_TEXREG_SS3]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
+ i915->state.Tex[unit][I915_TEXREG_SS3] = ss3;
+ }
+
+ /* Upload teximages (not pipelined)
+ */
+ if (t->intel.base.dirty_images[0]) {
+ i915SetTexImages( i915, tObj );
+ if (!intelUploadTexImages( &i915->intel, &t->intel, 0 )) {
+ return GL_FALSE;
+ }
+ }
+
+ return GL_TRUE;
+}
+
+static GLboolean enable_tex_cube( GLcontext *ctx, GLuint unit )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ struct gl_texture_object *tObj = texUnit->_Current;
+ i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
+ GLuint ss3 = i915->state.Tex[unit][I915_TEXREG_SS3];
+ GLuint face;
+
+ ss3 |= SS3_NORMALIZED_COORDS;
+
+ if (ss3 != i915->state.Tex[unit][I915_TEXREG_SS3]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
+ i915->state.Tex[unit][I915_TEXREG_SS3] = ss3;
+ }
+
+ /* Upload teximages (not pipelined)
+ */
+ if ( t->intel.base.dirty_images[0] || t->intel.base.dirty_images[1] ||
+ t->intel.base.dirty_images[2] || t->intel.base.dirty_images[3] ||
+ t->intel.base.dirty_images[4] || t->intel.base.dirty_images[5] ) {
+ i915SetTexImages( i915, tObj );
+ }
+
+ /* upload (per face) */
+ for (face = 0; face < 6; face++) {
+ if (t->intel.base.dirty_images[face]) {
+ if (!intelUploadTexImages( &i915->intel, &t->intel, face )) {
+ return GL_FALSE;
+ }
+ }
+ }
+
+
+ return GL_TRUE;
+}
+
+static GLboolean enable_tex_3d( GLcontext *ctx, GLuint unit )
+{
+ struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
+ i915TextureObjectPtr t = (i915TextureObjectPtr)tObj->DriverData;
+
+ /* 3D textures on I915 seem to get bogus border colors, hence this
+ * fallback:
+ */
+ if (t->refs_border_color)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+
+
+static GLboolean disable_tex( GLcontext *ctx, GLuint unit )
+{
+ i915ContextPtr i915 = I915_CONTEXT(ctx);
+
+ if (i915->state.active & I915_UPLOAD_TEX(unit)) {
+ I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(unit), GL_FALSE);
+ }
+
+ /* The old texture is no longer bound to this texture unit.
+ * Mark it as such.
+ */
+ if ( i915->intel.CurrentTexObj[unit] != NULL ) {
+ i915->intel.CurrentTexObj[unit]->base.bound &= ~(1U << 0);
+ i915->intel.CurrentTexObj[unit] = NULL;
+ }
+
+ return GL_TRUE;
+}
+
+static GLboolean i915UpdateTexUnit( GLcontext *ctx, GLuint unit )
+{
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+ if (texUnit->_ReallyEnabled &&
+ INTEL_CONTEXT(ctx)->intelScreen->textureSize < 2048 * 1024)
+ return GL_FALSE;
+
+ switch (texUnit->_ReallyEnabled) {
+ case TEXTURE_1D_BIT:
+ case TEXTURE_2D_BIT:
+ return (enable_tex_2d( ctx, unit ) &&
+ enable_tex_common( ctx, unit ));
+ case TEXTURE_RECT_BIT:
+ return (enable_tex_rect( ctx, unit ) &&
+ enable_tex_common( ctx, unit ));
+ case TEXTURE_CUBE_BIT:
+ return (enable_tex_cube( ctx, unit ) &&
+ enable_tex_common( ctx, unit ));
+ case TEXTURE_3D_BIT:
+ return (enable_tex_2d( ctx, unit ) &&
+ enable_tex_common( ctx, unit ) &&
+ enable_tex_3d( ctx, unit));
+ case 0:
+ return disable_tex( ctx, unit );
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+void i915UpdateTextureState( intelContextPtr intel )
+{
+ GLcontext *ctx = &intel->ctx;
+ GLboolean ok = GL_TRUE;
+ GLuint i;
+
+ for (i = 0 ; i < I915_TEX_UNITS && ok ; i++) {
+ ok = i915UpdateTexUnit( ctx, i );
+ }
+
+ FALLBACK( intel, I915_FALLBACK_TEXTURE, !ok );
+}
+
+
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "macros.h"
+#include "colormac.h"
+
+#include "tnl/t_context.h"
+#include "tnl/t_vertex.h"
+
+#include "intel_batchbuffer.h"
+
+#include "i915_reg.h"
+#include "i915_context.h"
+
+static void i915_render_start( intelContextPtr intel )
+{
+ GLcontext *ctx = &intel->ctx;
+ i915ContextPtr i915 = I915_CONTEXT(intel);
+
+ if (ctx->FragmentProgram.Enabled && ctx->FragmentProgram.Current)
+ i915ValidateFragmentProgram( i915 );
+ else
+ i915ValidateTextureProgram( i915 );
+}
+
+
+static void i915_reduced_primitive_state( intelContextPtr intel,
+ GLenum rprim )
+{
+ i915ContextPtr i915 = I915_CONTEXT(intel);
+ GLuint st1 = i915->state.Stipple[I915_STPREG_ST1];
+
+ st1 &= ~ST1_ENABLE;
+
+ switch (rprim) {
+ case GL_TRIANGLES:
+ if (intel->ctx.Polygon.StippleFlag &&
+ intel->hw_stipple)
+ st1 |= ST1_ENABLE;
+ break;
+ case GL_LINES:
+ case GL_POINTS:
+ default:
+ break;
+ }
+
+ i915->intel.reduced_primitive = rprim;
+
+ if (st1 != i915->state.Stipple[I915_STPREG_ST1]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
+ i915->state.Stipple[I915_STPREG_ST1] = st1;
+ }
+}
+
+
+/* Pull apart the vertex format registers and figure out how large a
+ * vertex is supposed to be.
+ */
+static GLboolean i915_check_vertex_size( intelContextPtr intel,
+ GLuint expected )
+{
+ i915ContextPtr i915 = I915_CONTEXT(intel);
+ int lis2 = i915->current->Ctx[I915_CTXREG_LIS2];
+ int lis4 = i915->current->Ctx[I915_CTXREG_LIS4];
+ int i, sz = 0;
+
+ switch (lis4 & S4_VFMT_XYZW_MASK) {
+ case S4_VFMT_XY: sz = 2; break;
+ case S4_VFMT_XYZ: sz = 3; break;
+ case S4_VFMT_XYW: sz = 3; break;
+ case S4_VFMT_XYZW: sz = 4; break;
+ default:
+ fprintf(stderr, "no xyzw specified\n");
+ return 0;
+ }
+
+ if (lis4 & S4_VFMT_SPEC_FOG) sz++;
+ if (lis4 & S4_VFMT_COLOR) sz++;
+ if (lis4 & S4_VFMT_DEPTH_OFFSET) sz++;
+ if (lis4 & S4_VFMT_POINT_WIDTH) sz++;
+
+ for (i = 0 ; i < 8 ; i++) {
+ switch (lis2 & S2_TEXCOORD_FMT0_MASK) {
+ case TEXCOORDFMT_2D: sz += 2; break;
+ case TEXCOORDFMT_3D: sz += 3; break;
+ case TEXCOORDFMT_4D: sz += 4; break;
+ case TEXCOORDFMT_1D: sz += 1; break;
+ case TEXCOORDFMT_2D_16: sz += 1; break;
+ case TEXCOORDFMT_4D_16: sz += 2; break;
+ case TEXCOORDFMT_NOT_PRESENT: break;
+ default:
+ fprintf(stderr, "bad texcoord fmt %d\n", i);
+ return GL_FALSE;
+ }
+ lis2 >>= S2_TEXCOORD_FMT1_SHIFT;
+ }
+
+ if (sz != expected)
+ fprintf(stderr, "vertex size mismatch %d/%d\n", sz, expected);
+
+ return sz == expected;
+}
+
+
+static void i915_emit_invarient_state( intelContextPtr intel )
+{
+ BATCH_LOCALS;
+
+ BEGIN_BATCH( 200 );
+
+ OUT_BATCH(_3DSTATE_AA_CMD |
+ AA_LINE_ECAAR_WIDTH_ENABLE |
+ AA_LINE_ECAAR_WIDTH_1_0 |
+ AA_LINE_REGION_WIDTH_ENABLE |
+ AA_LINE_REGION_WIDTH_1_0);
+
+ OUT_BATCH(_3DSTATE_DFLT_DIFFUSE_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_SPEC_CMD);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DFLT_Z_CMD);
+ OUT_BATCH(0);
+
+ /* Don't support texture crossbar yet */
+ OUT_BATCH(_3DSTATE_COORD_SET_BINDINGS |
+ CSB_TCB(0, 0) |
+ CSB_TCB(1, 1) |
+ CSB_TCB(2, 2) |
+ CSB_TCB(3, 3) |
+ CSB_TCB(4, 4) |
+ CSB_TCB(5, 5) |
+ CSB_TCB(6, 6) |
+ CSB_TCB(7, 7));
+
+ OUT_BATCH(_3DSTATE_RASTER_RULES_CMD |
+ ENABLE_POINT_RASTER_RULE |
+ OGL_POINT_RASTER_RULE |
+ ENABLE_LINE_STRIP_PROVOKE_VRTX |
+ ENABLE_TRI_FAN_PROVOKE_VRTX |
+ LINE_STRIP_PROVOKE_VRTX(1) |
+ TRI_FAN_PROVOKE_VRTX(2) |
+ ENABLE_TEXKILL_3D_4D |
+ TEXKILL_4D);
+
+ /* Need to initialize this to zero.
+ */
+ OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
+ I1_LOAD_S(3) |
+ (1));
+ OUT_BATCH(0);
+
+ /* XXX: Use this */
+ OUT_BATCH(_3DSTATE_SCISSOR_ENABLE_CMD |
+ DISABLE_SCISSOR_RECT);
+
+ OUT_BATCH(_3DSTATE_SCISSOR_RECT_0_CMD);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+
+ OUT_BATCH(_3DSTATE_DEPTH_SUBRECT_DISABLE);
+
+ OUT_BATCH(_3DSTATE_LOAD_INDIRECT | 0); /* disable indirect state */
+ OUT_BATCH(0);
+
+
+ /* Don't support twosided stencil yet */
+ OUT_BATCH(_3DSTATE_BACKFACE_STENCIL_OPS |
+ BFO_ENABLE_STENCIL_TWO_SIDE |
+ 0 );
+
+ ADVANCE_BATCH();
+}
+
+
+#define emit( intel, state, size ) \
+do { \
+ int k; \
+ BEGIN_BATCH( (size) / sizeof(GLuint)); \
+ for (k = 0 ; k < (size) / sizeof(GLuint) ; k++) \
+ OUT_BATCH((state)[k]); \
+ ADVANCE_BATCH(); \
+} while (0);
+
+
+/* Push the state into the sarea and/or texture memory.
+ */
+static void i915_emit_state( intelContextPtr intel )
+{
+ i915ContextPtr i915 = I915_CONTEXT(intel);
+ struct i915_hw_state *state = i915->current;
+ BATCH_LOCALS;
+ int i;
+ GLuint dirty;
+
+ /* More to workaround the multitex hang - if one texture unit state
+ * is modified, emit all texture units.
+ */
+ dirty = state->active & ~state->emitted;
+ if (dirty & I915_UPLOAD_TEX_ALL)
+ state->emitted &= ~I915_UPLOAD_TEX_ALL;
+ dirty = state->active & ~state->emitted;
+
+
+ if (VERBOSE)
+ fprintf(stderr, "%s dirty: %x\n", __FUNCTION__, dirty);
+
+ if (dirty & I915_UPLOAD_CTX) {
+ if (VERBOSE) fprintf(stderr, "I915_UPLOAD_CTX:\n");
+ emit( i915, state->Ctx, sizeof(state->Ctx) );
+ }
+
+ if (dirty & I915_UPLOAD_BUFFERS) {
+ if (VERBOSE) fprintf(stderr, "I915_UPLOAD_BUFFERS:\n");
+ emit( i915, state->Buffer, sizeof(state->Buffer) );
+ }
+
+ if (dirty & I915_UPLOAD_STIPPLE) {
+ if (VERBOSE) fprintf(stderr, "I915_UPLOAD_STIPPLE:\n");
+ emit( i915, state->Stipple, sizeof(state->Stipple) );
+ }
+
+ if (dirty & I915_UPLOAD_FOG) {
+ if (VERBOSE) fprintf(stderr, "I915_UPLOAD_FOG:\n");
+ emit( i915, state->Fog, sizeof(state->Fog) );
+ }
+
+ /* Combine all the dirty texture state into a single command to
+ * avoid lockups on I915 hardware.
+ */
+ if (dirty & I915_UPLOAD_TEX_ALL) {
+ int nr = 0;
+
+ for (i = 0; i < I915_TEX_UNITS; i++)
+ if (dirty & I915_UPLOAD_TEX(i))
+ nr++;
+
+ BEGIN_BATCH(2+nr*3);
+ OUT_BATCH(_3DSTATE_MAP_STATE | (3*nr));
+ OUT_BATCH((dirty & I915_UPLOAD_TEX_ALL) >> I915_UPLOAD_TEX_0_SHIFT);
+ for (i = 0 ; i < I915_TEX_UNITS ; i++)
+ if (dirty & I915_UPLOAD_TEX(i)) {
+ OUT_BATCH(state->Tex[i][I915_TEXREG_MS2]);
+ OUT_BATCH(state->Tex[i][I915_TEXREG_MS3]);
+ OUT_BATCH(state->Tex[i][I915_TEXREG_MS4]);
+ }
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(2+nr*3);
+ OUT_BATCH(_3DSTATE_SAMPLER_STATE | (3*nr));
+ OUT_BATCH((dirty & I915_UPLOAD_TEX_ALL) >> I915_UPLOAD_TEX_0_SHIFT);
+ for (i = 0 ; i < I915_TEX_UNITS ; i++)
+ if (dirty & I915_UPLOAD_TEX(i)) {
+ OUT_BATCH(state->Tex[i][I915_TEXREG_SS2]);
+ OUT_BATCH(state->Tex[i][I915_TEXREG_SS3]);
+ OUT_BATCH(state->Tex[i][I915_TEXREG_SS4]);
+ }
+ ADVANCE_BATCH();
+ }
+
+ if (dirty & I915_UPLOAD_CONSTANTS) {
+ if (VERBOSE) fprintf(stderr, "I915_UPLOAD_CONSTANTS:\n");
+ emit( i915, state->Constant, state->ConstantSize * sizeof(GLuint) );
+ }
+
+ if (dirty & I915_UPLOAD_PROGRAM) {
+ if (VERBOSE) fprintf(stderr, "I915_UPLOAD_PROGRAM:\n");
+
+ assert((state->Program[0] & 0x1ff)+2 == state->ProgramSize);
+
+ emit( i915, state->Program, state->ProgramSize * sizeof(GLuint) );
+ if (VERBOSE)
+ i915_disassemble_program( state->Program, state->ProgramSize );
+ }
+
+ state->emitted |= dirty;
+}
+
+static void i915_destroy_context( intelContextPtr intel )
+{
+ _tnl_free_vertices(&intel->ctx);
+}
+
+static void i915_set_draw_offset( intelContextPtr intel, int offset )
+{
+ i915ContextPtr i915 = I915_CONTEXT(intel);
+ I915_STATECHANGE( i915, I915_UPLOAD_BUFFERS );
+ i915->state.Buffer[I915_DESTREG_CBUFADDR2] = offset;
+}
+
+static void i915_lost_hardware( intelContextPtr intel )
+{
+ I915_CONTEXT(intel)->state.emitted = 0;
+}
+
+static void i915_emit_flush( intelContextPtr intel )
+{
+ BATCH_LOCALS;
+
+ BEGIN_BATCH(2);
+ OUT_BATCH( MI_FLUSH | FLUSH_MAP_CACHE | FLUSH_RENDER_CACHE );
+ OUT_BATCH( 0 );
+ ADVANCE_BATCH();
+}
+
+
+void i915InitVtbl( i915ContextPtr i915 )
+{
+ i915->intel.vtbl.alloc_tex_obj = i915AllocTexObj;
+ i915->intel.vtbl.check_vertex_size = i915_check_vertex_size;
+ i915->intel.vtbl.clear_with_tris = i915ClearWithTris;
+ i915->intel.vtbl.destroy = i915_destroy_context;
+ i915->intel.vtbl.emit_invarient_state = i915_emit_invarient_state;
+ i915->intel.vtbl.emit_state = i915_emit_state;
+ i915->intel.vtbl.lost_hardware = i915_lost_hardware;
+ i915->intel.vtbl.reduced_primitive_state = i915_reduced_primitive_state;
+ i915->intel.vtbl.render_start = i915_render_start;
+ i915->intel.vtbl.set_draw_offset = i915_set_draw_offset;
+ i915->intel.vtbl.update_texture_state = i915UpdateTextureState;
+ i915->intel.vtbl.emit_flush = i915_emit_flush;
+}
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "mtypes.h"
+#include "context.h"
+#include "enums.h"
+
+#include "intel_reg.h"
+#include "intel_batchbuffer.h"
+#include "intel_context.h"
+
+
+
+
+/* ================================================================
+ * Performance monitoring functions
+ */
+
+static void intel_fill_box( intelContextPtr intel,
+ GLshort x, GLshort y,
+ GLshort w, GLshort h,
+ GLubyte r, GLubyte g, GLubyte b )
+{
+ intelEmitFillBlitLocked( intel,
+ intel->intelScreen->cpp,
+ intel->intelScreen->backPitch,
+ intel->intelScreen->frontOffset,
+ x, y, w, h,
+ INTEL_PACKCOLOR(intel->intelScreen->fbFormat,
+ r,g,b,0xff));
+}
+
+static void intel_draw_performance_boxes( intelContextPtr intel )
+{
+ /* Purple box for page flipping
+ */
+ if ( intel->perf_boxes & I830_BOX_FLIP )
+ intel_fill_box( intel, 4, 4, 8, 8, 255, 0, 255 );
+
+ /* Red box if we have to wait for idle at any point
+ */
+ if ( intel->perf_boxes & I830_BOX_WAIT )
+ intel_fill_box( intel, 16, 4, 8, 8, 255, 0, 0 );
+
+ /* Blue box: lost context?
+ */
+ if ( intel->perf_boxes & I830_BOX_LOST_CONTEXT )
+ intel_fill_box( intel, 28, 4, 8, 8, 0, 0, 255 );
+
+ /* Yellow box for texture swaps
+ */
+ if ( intel->perf_boxes & I830_BOX_TEXTURE_LOAD )
+ intel_fill_box( intel, 40, 4, 8, 8, 255, 255, 0 );
+
+ /* Green box if hardware never idles (as far as we can tell)
+ */
+ if ( !(intel->perf_boxes & I830_BOX_RING_EMPTY) )
+ intel_fill_box( intel, 64, 4, 8, 8, 0, 255, 0 );
+
+
+ /* Draw bars indicating number of buffers allocated
+ * (not a great measure, easily confused)
+ */
+#if 0
+ if (intel->dma_used) {
+ int bar = intel->dma_used / 10240;
+ if (bar > 100) bar = 100;
+ if (bar < 1) bar = 1;
+ intel_fill_box( intel, 4, 16, bar, 4, 196, 128, 128 );
+ intel->dma_used = 0;
+ }
+#endif
+
+ intel->perf_boxes = 0;
+}
+
+
+
+
+
+
+static int bad_prim_vertex_nr( int primitive, int nr )
+{
+ switch (primitive & PRIM3D_MASK) {
+ case PRIM3D_POINTLIST:
+ return nr < 1;
+ case PRIM3D_LINELIST:
+ return (nr & 1) || nr == 0;
+ case PRIM3D_LINESTRIP:
+ return nr < 2;
+ case PRIM3D_TRILIST:
+ case PRIM3D_RECTLIST:
+ return nr % 3 || nr == 0;
+ case PRIM3D_POLY:
+ case PRIM3D_TRIFAN:
+ case PRIM3D_TRISTRIP:
+ case PRIM3D_TRISTRIP_RVRSE:
+ return nr < 3;
+ default:
+ return 1;
+ }
+}
+
+static void intel_flush_inline_primitive( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ GLuint used = intel->batch.ptr - intel->prim.start_ptr;
+ GLuint vertcount;
+
+ assert(intel->prim.primitive != ~0);
+
+ if (1) {
+ /* Check vertex size against the vertex we're specifying to
+ * hardware. If it's wrong, ditch the primitive.
+ */
+ if (!intel->vtbl.check_vertex_size( intel, intel->vertex_size ))
+ goto do_discard;
+
+ vertcount = (used - 4)/ (intel->vertex_size * 4);
+
+ if (!vertcount)
+ goto do_discard;
+
+ if (vertcount * intel->vertex_size * 4 != used - 4) {
+ fprintf(stderr, "vertex size confusion %d %d\n", used,
+ intel->vertex_size * vertcount * 4);
+ goto do_discard;
+ }
+
+ if (bad_prim_vertex_nr( intel->prim.primitive, vertcount )) {
+ fprintf(stderr, "bad_prim_vertex_nr %x %d\n", intel->prim.primitive,
+ vertcount);
+ goto do_discard;
+ }
+ }
+
+ if (used < 8)
+ goto do_discard;
+
+ *(int *)intel->prim.start_ptr = (_3DPRIMITIVE |
+ intel->prim.primitive |
+ (used/4-2));
+
+ goto finished;
+
+ do_discard:
+ intel->batch.ptr -= used;
+ intel->batch.space += used;
+ assert(intel->batch.space >= 0);
+
+ finished:
+ intel->prim.primitive = ~0;
+ intel->prim.start_ptr = 0;
+ intel->prim.flush = 0;
+}
+
+
+/* Emit a primitive referencing vertices in a vertex buffer.
+ */
+void intelStartInlinePrimitive( intelContextPtr intel, GLuint prim )
+{
+ BATCH_LOCALS;
+
+ if (0)
+ fprintf(stderr, "%s %x\n", __FUNCTION__, prim);
+
+
+ /* Finish any in-progress primitive:
+ */
+ INTEL_FIREVERTICES( intel );
+
+ /* Emit outstanding state:
+ */
+ intel->vtbl.emit_state( intel );
+
+ /* Make sure there is some space in this buffer:
+ */
+ if (intel->vertex_size * 10 * sizeof(GLuint) >= intel->batch.space)
+ intelFlushBatch(intel, GL_TRUE);
+
+
+#if 1
+ if (((int)intel->batch.ptr) & 0x4) {
+ BEGIN_BATCH(1);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+#endif
+
+ /* Emit a slot which will be filled with the inline primitive
+ * command later.
+ */
+ BEGIN_BATCH(2);
+ OUT_BATCH( 0 );
+
+ intel->prim.start_ptr = batch_ptr;
+ intel->prim.primitive = prim;
+ intel->prim.flush = intel_flush_inline_primitive;
+
+ OUT_BATCH( 0 );
+ ADVANCE_BATCH();
+}
+
+
+void intelRestartInlinePrimitive( intelContextPtr intel )
+{
+ GLuint prim = intel->prim.primitive;
+
+ intel_flush_inline_primitive( &intel->ctx );
+ if (1) intelFlushBatch(intel, GL_TRUE); /* GL_TRUE - is critical */
+ intelStartInlinePrimitive( intel, prim );
+}
+
+
+
+void intelWrapInlinePrimitive( intelContextPtr intel )
+{
+ GLuint prim = intel->prim.primitive;
+
+ if (0)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+ intel_flush_inline_primitive( &intel->ctx );
+ intelFlushBatch(intel, GL_TRUE);
+ intelStartInlinePrimitive( intel, prim );
+}
+
+
+/* Emit a primitive with space for inline vertices.
+ */
+GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel,
+ int primitive,
+ int dwords,
+ int vertex_size )
+{
+ GLuint *tmp = 0;
+ BATCH_LOCALS;
+
+ if (0)
+ fprintf(stderr, "%s 0x%x %d\n", __FUNCTION__, primitive, dwords);
+
+ /* Emit outstanding state:
+ */
+ intel->vtbl.emit_state( intel );
+
+
+ if (1) {
+ int used = dwords * 4;
+ int vertcount;
+
+ /* Check vertex size against the vertex we're specifying to
+ * hardware. If it's wrong, ditch the primitive.
+ */
+ if (!intel->vtbl.check_vertex_size( intel, vertex_size ))
+ goto do_discard;
+
+ vertcount = dwords / vertex_size;
+
+ if (dwords % vertex_size) {
+ fprintf(stderr, "did not request a whole number of vertices\n");
+ goto do_discard;
+ }
+
+ if (bad_prim_vertex_nr( primitive, vertcount )) {
+ fprintf(stderr, "bad_prim_vertex_nr %x %d\n", primitive, vertcount);
+ goto do_discard;
+ }
+
+ if (used < 8)
+ goto do_discard;
+ }
+
+ /* Emit 3D_PRIMITIVE commands:
+ */
+ BEGIN_BATCH(1 + dwords);
+ OUT_BATCH( _3DPRIMITIVE |
+ primitive |
+ (dwords-1) );
+
+ tmp = (GLuint *)batch_ptr;
+ batch_ptr += dwords * 4;
+
+ ADVANCE_BATCH();
+
+ do_discard:
+ return tmp;
+}
+
+
+
+/*
+ * Copy the back buffer to the front buffer.
+ */
+void intelCopyBuffer( const __DRIdrawablePrivate *dPriv )
+{
+ intelContextPtr intel;
+
+ if (0)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
+
+ intelFlush( &intel->ctx );
+ LOCK_HARDWARE( intel );
+ {
+ intelScreenPrivate *intelScreen = intel->intelScreen;
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ int nbox = dPriv->numClipRects;
+ drm_clip_rect_t *pbox = dPriv->pClipRects;
+ int pitch = intelScreen->frontPitch;
+ int cpp = intelScreen->cpp;
+ int i;
+ GLuint CMD, BR13;
+ BATCH_LOCALS;
+
+ switch(cpp) {
+ case 2:
+ BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ case 4:
+ BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25);
+ CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ break;
+ default:
+ BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ }
+
+ if (0)
+ intel_draw_performance_boxes( intel );
+
+ for (i = 0 ; i < nbox; i++, pbox++)
+ {
+ if (pbox->x1 > pbox->x2 ||
+ pbox->y1 > pbox->y2 ||
+ pbox->x2 > intelScreen->width ||
+ pbox->y2 > intelScreen->height)
+ continue;
+
+ BEGIN_BATCH( 8);
+ OUT_BATCH( CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (pbox->y1 << 16) | pbox->x1 );
+ OUT_BATCH( (pbox->y2 << 16) | pbox->x2 );
+
+ if (intel->sarea->pf_current_page == 0)
+ OUT_BATCH( intelScreen->frontOffset );
+ else
+ OUT_BATCH( intelScreen->backOffset );
+
+ OUT_BATCH( (pbox->y1 << 16) | pbox->x1 );
+ OUT_BATCH( BR13 & 0xffff );
+
+ if (intel->sarea->pf_current_page == 0)
+ OUT_BATCH( intelScreen->backOffset );
+ else
+ OUT_BATCH( intelScreen->frontOffset );
+
+ ADVANCE_BATCH();
+ }
+ }
+ intelFlushBatchLocked( intel, GL_TRUE, GL_TRUE, GL_TRUE );
+ UNLOCK_HARDWARE( intel );
+}
+
+
+
+
+void intelEmitFillBlitLocked( intelContextPtr intel,
+ GLuint cpp,
+ GLshort dst_pitch,
+ GLuint dst_offset,
+ GLshort x, GLshort y,
+ GLshort w, GLshort h,
+ GLuint color )
+{
+ GLuint BR13, CMD;
+ BATCH_LOCALS;
+
+ dst_pitch *= cpp;
+
+ switch(cpp) {
+ case 1:
+ case 2:
+ case 3:
+ BR13 = dst_pitch | (0xF0 << 16) | (1<<24);
+ CMD = XY_COLOR_BLT_CMD;
+ break;
+ case 4:
+ BR13 = dst_pitch | (0xF0 << 16) | (1<<24) | (1<<25);
+ CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
+ XY_COLOR_BLT_WRITE_RGB);
+ break;
+ default:
+ return;
+ }
+
+ BEGIN_BATCH( 6);
+ OUT_BATCH( CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (y << 16) | x );
+ OUT_BATCH( ((y+h) << 16) | (x+w) );
+ OUT_BATCH( dst_offset );
+ OUT_BATCH( color );
+ ADVANCE_BATCH();
+}
+
+
+/* Copy BitBlt
+ */
+void intelEmitCopyBlitLocked( intelContextPtr intel,
+ GLuint cpp,
+ GLshort src_pitch,
+ GLuint src_offset,
+ GLshort dst_pitch,
+ GLuint dst_offset,
+ GLshort src_x, GLshort src_y,
+ GLshort dst_x, GLshort dst_y,
+ GLshort w, GLshort h )
+{
+ GLuint CMD, BR13;
+ int dst_y2 = dst_y + h;
+ int dst_x2 = dst_x + w;
+ BATCH_LOCALS;
+
+ src_pitch *= cpp;
+ dst_pitch *= cpp;
+
+ switch(cpp) {
+ case 1:
+ case 2:
+ case 3:
+ BR13 = dst_pitch | (0xCC << 16) | (1<<24);
+ CMD = XY_SRC_COPY_BLT_CMD;
+ break;
+ case 4:
+ BR13 = dst_pitch | (0xCC << 16) | (1<<24) | (1<<25);
+ CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
+ XY_SRC_COPY_BLT_WRITE_RGB);
+ break;
+ default:
+ return;
+ }
+
+ if (dst_y2 < dst_y ||
+ dst_x2 < dst_x) {
+ return;
+ }
+
+ BEGIN_BATCH( 12);
+ OUT_BATCH( CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (dst_y << 16) | dst_x );
+ OUT_BATCH( (dst_y2 << 16) | dst_x2 );
+ OUT_BATCH( dst_offset );
+ OUT_BATCH( (src_y << 16) | src_x );
+ OUT_BATCH( src_pitch );
+ OUT_BATCH( src_offset );
+ ADVANCE_BATCH();
+}
+
+
+
+void intelClearWithBlit(GLcontext *ctx, GLbitfield flags, GLboolean all,
+ GLint cx1, GLint cy1, GLint cw, GLint ch)
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ intelScreenPrivate *intelScreen = intel->intelScreen;
+ GLuint clear_depth, clear_color;
+ GLint cx, cy;
+ GLint pitch = intelScreen->frontPitch;
+ GLint cpp = intelScreen->cpp;
+ GLint i;
+ GLuint BR13, CMD, D_CMD;
+ BATCH_LOCALS;
+
+
+ clear_color = intel->ClearColor;
+ clear_depth = 0;
+
+ if (flags & DD_DEPTH_BIT) {
+ clear_depth = (GLuint)(ctx->Depth.Clear * intel->ClearDepth);
+ }
+
+ if (flags & DD_STENCIL_BIT) {
+ clear_depth |= (ctx->Stencil.Clear & 0xff) << 24;
+ }
+
+ switch(cpp) {
+ case 2:
+ BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
+ D_CMD = CMD = XY_COLOR_BLT_CMD;
+ break;
+ case 4:
+ BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25);
+ CMD = (XY_COLOR_BLT_CMD |
+ XY_COLOR_BLT_WRITE_ALPHA |
+ XY_COLOR_BLT_WRITE_RGB);
+ D_CMD = XY_COLOR_BLT_CMD;
+ if (flags & DD_DEPTH_BIT) D_CMD |= XY_COLOR_BLT_WRITE_RGB;
+ if (flags & DD_STENCIL_BIT) D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
+ break;
+ default:
+ BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
+ D_CMD = CMD = XY_COLOR_BLT_CMD;
+ break;
+ }
+
+ intelFlush( &intel->ctx );
+ LOCK_HARDWARE( intel );
+ {
+ /* flip top to bottom */
+ cy = intel->driDrawable->h-cy1-ch;
+ cx = cx1 + intel->drawX;
+ cy += intel->drawY;
+
+ /* adjust for page flipping */
+ if ( intel->sarea->pf_current_page == 1 ) {
+ GLuint tmp = flags;
+
+ flags &= ~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT);
+ if ( tmp & DD_FRONT_LEFT_BIT ) flags |= DD_BACK_LEFT_BIT;
+ if ( tmp & DD_BACK_LEFT_BIT ) flags |= DD_FRONT_LEFT_BIT;
+ }
+
+ for (i = 0 ; i < intel->numClipRects ; i++)
+ {
+ drm_clip_rect_t *box = &intel->pClipRects[i];
+ drm_clip_rect_t b;
+
+ if (!all) {
+ GLint x = box[i].x1;
+ GLint y = box[i].y1;
+ GLint w = box[i].x2 - x;
+ GLint h = box[i].y2 - y;
+
+ if (x < cx) w -= cx - x, x = cx;
+ if (y < cy) h -= cy - y, y = cy;
+ if (x + w > cx + cw) w = cx + cw - x;
+ if (y + h > cy + ch) h = cy + ch - y;
+ if (w <= 0) continue;
+ if (h <= 0) continue;
+
+ b.x1 = x;
+ b.y1 = y;
+ b.x2 = x + w;
+ b.y2 = y + h;
+ } else {
+ b = *box;
+ }
+
+
+ if (b.x1 > b.x2 ||
+ b.y1 > b.y2 ||
+ b.x2 > intelScreen->width ||
+ b.y2 > intelScreen->height)
+ continue;
+
+ if ( flags & DD_FRONT_LEFT_BIT ) {
+ BEGIN_BATCH( 6);
+ OUT_BATCH( CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (b.y1 << 16) | b.x1 );
+ OUT_BATCH( (b.y2 << 16) | b.x2 );
+ OUT_BATCH( intelScreen->frontOffset );
+ OUT_BATCH( clear_color );
+ ADVANCE_BATCH();
+ }
+
+ if ( flags & DD_BACK_LEFT_BIT ) {
+ BEGIN_BATCH( 6);
+ OUT_BATCH( CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (b.y1 << 16) | b.x1 );
+ OUT_BATCH( (b.y2 << 16) | b.x2 );
+ OUT_BATCH( intelScreen->backOffset );
+ OUT_BATCH( clear_color );
+ ADVANCE_BATCH();
+ }
+
+ if ( flags & (DD_STENCIL_BIT | DD_DEPTH_BIT) ) {
+ BEGIN_BATCH( 6);
+ OUT_BATCH( D_CMD );
+ OUT_BATCH( BR13 );
+ OUT_BATCH( (b.y1 << 16) | b.x1 );
+ OUT_BATCH( (b.y2 << 16) | b.x2 );
+ OUT_BATCH( intelScreen->depthOffset );
+ OUT_BATCH( clear_depth );
+ ADVANCE_BATCH();
+ }
+ }
+ }
+ intelFlushBatchLocked( intel, GL_TRUE, GL_FALSE, GL_TRUE );
+ UNLOCK_HARDWARE( intel );
+}
+
+
+
+
+void intelDestroyBatchBuffer( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ if (intel->alloc.ptr) {
+ intelFreeAGP( intel, intel->alloc.ptr );
+ intel->alloc.ptr = 0;
+ }
+}
+
+
+void intelInitBatchBuffer( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ if (!intel->intelScreen->allow_batchbuffer || getenv("INTEL_NO_BATCH")) {
+ intel->alloc.size = 8 * 1024;
+ intel->alloc.ptr = malloc( intel->alloc.size );
+ intel->alloc.offset = 0;
+ }
+ else {
+ switch (intel->intelScreen->deviceID) {
+ case PCI_CHIP_I865_G:
+ /* HW bug? Seems to crash if batchbuffer crosses 4k boundary.
+ */
+ intel->alloc.size = 8 * 1024;
+ break;
+ default:
+ /* This is the smallest amount of memory the kernel deals with.
+ * We'd ideally like to make this smaller.
+ */
+ intel->alloc.size = 1 << intel->intelScreen->logTextureGranularity;
+ break;
+ }
+
+ intel->alloc.ptr = intelAllocateAGP( intel, intel->alloc.size );
+ if (intel->alloc.ptr)
+ intel->alloc.offset =
+ intelAgpOffsetFromVirtual( intel, intel->alloc.ptr );
+ }
+
+ if (!intel->alloc.ptr) {
+ FALLBACK(intel, INTEL_FALLBACK_NO_BATCHBUFFER, 1);
+ }
+ else {
+ intel->prim.flush = 0;
+ intel->vtbl.emit_invarient_state( intel );
+
+ /* Make sure this gets to the hardware, even if we have no cliprects:
+ */
+ LOCK_HARDWARE( intel );
+ intelFlushBatchLocked( intel, GL_TRUE, GL_FALSE, GL_TRUE );
+ UNLOCK_HARDWARE( intel );
+ }
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_BATCHBUFFER_H
+#define INTEL_BATCHBUFFER_H
+
+#include "intel_context.h"
+#include "intel_ioctl.h"
+
+
+#define BATCH_LOCALS GLubyte *batch_ptr;
+
+/* #define VERBOSE 0 */
+#ifndef VERBOSE
+extern int VERBOSE;
+#endif
+
+
+#define BEGIN_BATCH(n) \
+do { \
+ if (VERBOSE) fprintf(stderr, \
+ "BEGIN_BATCH(%d) in %s, %d dwords free\n", \
+ (n), __FUNCTION__, intel->batch.space/4); \
+ if (intel->batch.space < (n)*4) \
+ intelFlushBatch(intel, GL_TRUE); \
+ batch_ptr = intel->batch.ptr; \
+} while (0)
+
+#define OUT_BATCH(n) \
+do { \
+ *(GLuint *)batch_ptr = (n); \
+ if (VERBOSE) fprintf(stderr, " -- %08x at %s/%d\n", (n), __FILE__, __LINE__); \
+ batch_ptr += 4; \
+} while (0)
+
+#define ADVANCE_BATCH() \
+do { \
+ if (VERBOSE) fprintf(stderr, "ADVANCE_BATCH()\n"); \
+ intel->batch.space -= (batch_ptr - intel->batch.ptr); \
+ intel->batch.ptr = batch_ptr; \
+ assert(intel->batch.space >= 0); \
+} while(0)
+
+extern void intelInitBatchBuffer( GLcontext *ctx );
+extern void intelDestroyBatchBuffer( GLcontext *ctx );
+
+extern void intelStartInlinePrimitive( intelContextPtr intel, GLuint prim );
+extern void intelWrapInlinePrimitive( intelContextPtr intel );
+extern void intelRestartInlinePrimitive( intelContextPtr intel );
+extern GLuint *intelEmitInlinePrimitiveLocked(intelContextPtr intel,
+ int primitive, int dwords,
+ int vertex_size);
+extern void intelCopyBuffer( const __DRIdrawablePrivate *dpriv );
+extern void intelClearWithBlit(GLcontext *ctx, GLbitfield mask, GLboolean all,
+ GLint cx1, GLint cy1, GLint cw, GLint ch);
+
+extern void intelEmitCopyBlitLocked( intelContextPtr intel,
+ GLuint cpp,
+ GLshort src_pitch,
+ GLuint src_offset,
+ GLshort dst_pitch,
+ GLuint dst_offset,
+ GLshort srcx, GLshort srcy,
+ GLshort dstx, GLshort dsty,
+ GLshort w, GLshort h );
+
+extern void intelEmitFillBlitLocked( intelContextPtr intel,
+ GLuint cpp,
+ GLshort dst_pitch,
+ GLuint dst_offset,
+ GLshort x, GLshort y,
+ GLshort w, GLshort h,
+ GLuint color );
+
+
+
+
+static __inline GLuint *intelExtendInlinePrimitive( intelContextPtr intel,
+ GLuint dwords )
+{
+ GLuint sz = dwords * sizeof(GLuint);
+ GLuint *ptr;
+
+ if (intel->batch.space < sz) {
+ intelWrapInlinePrimitive( intel );
+/* assert(intel->batch.space >= sz); */
+ }
+
+/* assert(intel->prim.primitive != ~0); */
+ ptr = (GLuint *)intel->batch.ptr;
+ intel->batch.ptr += sz;
+ intel->batch.space -= sz;
+
+ return ptr;
+}
+
+
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include "glheader.h"
+#include "context.h"
+#include "matrix.h"
+#include "simple_list.h"
+#include "extensions.h"
+#include "imports.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/tnl.h"
+#include "array_cache/acache.h"
+
+#include "tnl/t_pipeline.h"
+#include "tnl/t_vertex.h"
+
+#include "drivers/common/driverfuncs.h"
+
+#include "intel_screen.h"
+
+#include "i830_dri.h"
+#include "i830_common.h"
+
+#include "intel_tex.h"
+#include "intel_span.h"
+#include "intel_tris.h"
+#include "intel_ioctl.h"
+#include "intel_batchbuffer.h"
+
+#include "utils.h"
+#ifndef INTEL_DEBUG
+int INTEL_DEBUG = (0);
+#endif
+
+#ifndef VERBOSE
+int VERBOSE = 0;
+#endif
+
+#if DEBUG_LOCKING
+char *prevLockFile;
+int prevLockLine;
+#endif
+
+const char __driConfigOptions[] = { 0 };
+const GLuint __driNConfigOptions = 0;
+
+/***************************************
+ * Mesa's Driver Functions
+ ***************************************/
+
+#define DRIVER_DATE "20040528"
+
+const GLubyte *intelGetString( GLcontext *ctx, GLenum name )
+{
+ const char * chipset;
+ static char buffer[128];
+
+ switch (name) {
+ case GL_VENDOR:
+ return (GLubyte *)"Tungsten Graphics, Inc";
+ break;
+
+ case GL_RENDERER:
+ switch (INTEL_CONTEXT(ctx)->intelScreen->deviceID) {
+ case PCI_CHIP_845_G:
+ chipset = "Intel(R) 845G"; break;
+ case PCI_CHIP_I830_M:
+ chipset = "Intel(R) 830M"; break;
+ case PCI_CHIP_I855_GM:
+ chipset = "Intel(R) 852GM/855GM"; break;
+ case PCI_CHIP_I865_G:
+ chipset = "Intel(R) 865G"; break;
+ case PCI_CHIP_I915_G:
+ chipset = "Intel(R) 915G"; break;
+ default:
+ chipset = "Unknown Intel Chipset"; break;
+ }
+
+ (void) driGetRendererString( buffer, chipset, DRIVER_DATE, 0 );
+ return (GLubyte *) buffer;
+
+ default:
+ return NULL;
+ }
+}
+
+static void intelBufferSize(GLframebuffer *buffer,
+ GLuint *width, GLuint *height)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ /* Need to lock to make sure the driDrawable is uptodate. This
+ * information is used to resize Mesa's software buffers, so it has
+ * to be correct.
+ */
+ LOCK_HARDWARE(intel);
+ *width = intel->driDrawable->w;
+ *height = intel->driDrawable->h;
+ UNLOCK_HARDWARE(intel);
+}
+
+
+
+/* Extension strings exported by the intel driver.
+ *
+ * NOTE: See implementation of glGetString in each hw_context.c file:
+ * This set of extensions is overridden and many are not actually
+ * exported to the driver. They are however enabled internally as
+ * Mesa requires this when calculating things like GL version number.
+ */
+static const char * const card_extensions[] =
+{
+ "GL_APPLE_client_storage",
+ "GL_ARB_multisample",
+ "GL_ARB_multitexture",
+ "GL_ARB_texture_border_clamp",
+ "GL_ARB_texture_compression",
+ "GL_ARB_texture_env_add",
+ "GL_ARB_texture_env_combine",
+ "GL_ARB_texture_env_dot3",
+ "GL_ARB_texture_mirrored_repeat",
+ "GL_ARB_vertex_program",
+ "GL_EXT_blend_color",
+ "GL_EXT_blend_func_separate",
+ "GL_EXT_blend_minmax",
+ "GL_EXT_blend_subtract",
+ "GL_EXT_fog_coord",
+ "GL_EXT_secondary_color",
+ "GL_EXT_stencil_wrap",
+ "GL_EXT_texture_edge_clamp",
+ "GL_EXT_texture_env_add",
+ "GL_EXT_texture_env_combine",
+ "GL_EXT_texture_env_dot3",
+ "GL_EXT_texture_filter_anisotropic",
+ "GL_EXT_texture_lod_bias",
+ "GL_IBM_texture_mirrored_repeat",
+ "GL_INGR_blend_func_separate",
+ "GL_MESA_pack_invert",
+ "GL_MESA_ycbcr_texture",
+ "GL_NV_texture_rectangle",
+ "GL_NV_vertex_program",
+
+/* New in final:
+ */
+ "GL_ARB_vertex_buffer_object",
+ "GL_ARB_window_pos",
+ "GL_EXT_multi_draw_arrays",
+ "GL_EXT_abgr",
+ "GL_EXT_bgra",
+
+
+ "GL_SGIS_generate_mipmap",
+ "GL_SGIS_texture_border_clamp",
+ "GL_SGIS_texture_edge_clamp",
+ NULL
+};
+
+
+extern const struct tnl_pipeline_stage _intel_render_stage;
+
+static const struct tnl_pipeline_stage *intel_pipeline[] = {
+ &_tnl_vertex_transform_stage,
+ &_tnl_normal_transform_stage,
+ &_tnl_lighting_stage,
+ &_tnl_fog_coordinate_stage,
+ &_tnl_texgen_stage,
+ &_tnl_texture_transform_stage,
+ &_tnl_point_attenuation_stage,
+ &_tnl_vertex_program_stage,
+#if 1
+ &_intel_render_stage, /* ADD: unclipped rastersetup-to-dma */
+#endif
+ &_tnl_render_stage,
+ 0,
+};
+
+
+static const struct dri_debug_control debug_control[] =
+{
+ { "fall", DEBUG_FALLBACKS },
+ { "tex", DEBUG_TEXTURE },
+ { "ioctl", DEBUG_IOCTL },
+ { "prim", DEBUG_PRIMS },
+ { "vert", DEBUG_VERTS },
+ { "state", DEBUG_STATE },
+ { "verb", DEBUG_VERBOSE },
+ { "dri", DEBUG_DRI },
+ { "dma", DEBUG_DMA },
+ { "san", DEBUG_SANITY },
+ { "sync", DEBUG_SYNC },
+ { "sleep", DEBUG_SLEEP },
+ { "pix", DEBUG_PIXEL },
+ { NULL, 0 }
+};
+
+
+static void intelInvalidateState( GLcontext *ctx, GLuint new_state )
+{
+ _swrast_InvalidateState( ctx, new_state );
+ _swsetup_InvalidateState( ctx, new_state );
+ _ac_InvalidateState( ctx, new_state );
+ _tnl_InvalidateState( ctx, new_state );
+ _tnl_invalidate_vertex_state( ctx, new_state );
+ INTEL_CONTEXT(ctx)->NewGLState |= new_state;
+}
+
+
+void intelInitDriverFunctions( struct dd_function_table *functions )
+{
+ _mesa_init_driver_functions( functions );
+
+ functions->Flush = intelFlush;
+ functions->Clear = intelClear;
+ functions->Finish = intelFinish;
+ functions->GetBufferSize = intelBufferSize;
+ functions->ResizeBuffers = _swrast_alloc_buffers;
+ functions->GetString = intelGetString;
+ functions->UpdateState = intelInvalidateState;
+ functions->CopyColorTable = _swrast_CopyColorTable;
+ functions->CopyColorSubTable = _swrast_CopyColorSubTable;
+ functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
+ functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
+
+ intelInitTextureFuncs( functions );
+ intelInitPixelFuncs( functions );
+ intelInitStateFuncs( functions );
+}
+
+
+
+GLboolean intelInitContext( intelContextPtr intel,
+ const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate,
+ struct dd_function_table *functions )
+{
+ GLcontext *ctx = &intel->ctx;
+ GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
+ __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+ intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
+ drmI830Sarea *saPriv = (drmI830Sarea *)
+ (((GLubyte *)sPriv->pSAREA)+intelScreen->sarea_priv_offset);
+
+ if (!_mesa_initialize_context(&intel->ctx,
+ mesaVis, shareCtx,
+ functions,
+ (void*) intel))
+ return GL_FALSE;
+
+ driContextPriv->driverPrivate = intel;
+ intel->intelScreen = intelScreen;
+ intel->driScreen = sPriv;
+ intel->sarea = saPriv;
+
+
+ (void) memset( intel->texture_heaps, 0, sizeof( intel->texture_heaps ) );
+ make_empty_list( & intel->swapped );
+
+ ctx->Const.MaxTextureMaxAnisotropy = 2.0;
+
+ ctx->Const.MinLineWidth = 1.0;
+ ctx->Const.MinLineWidthAA = 1.0;
+ ctx->Const.MaxLineWidth = 3.0;
+ ctx->Const.MaxLineWidthAA = 3.0;
+ ctx->Const.LineWidthGranularity = 1.0;
+
+ ctx->Const.MinPointSize = 1.0;
+ ctx->Const.MinPointSizeAA = 1.0;
+ ctx->Const.MaxPointSize = 255.0;
+ ctx->Const.MaxPointSizeAA = 3.0;
+ ctx->Const.PointSizeGranularity = 1.0;
+
+ /* Initialize the software rasterizer and helper modules. */
+ _swrast_CreateContext( ctx );
+ _ac_CreateContext( ctx );
+ _tnl_CreateContext( ctx );
+ _swsetup_CreateContext( ctx );
+
+ /* Install the customized pipeline: */
+ _tnl_destroy_pipeline( ctx );
+ _tnl_install_pipeline( ctx, intel_pipeline );
+
+ /* Configure swrast to match hardware characteristics: */
+ _swrast_allow_pixel_fog( ctx, GL_FALSE );
+ _swrast_allow_vertex_fog( ctx, GL_TRUE );
+
+ /* Dri stuff */
+ intel->hHWContext = driContextPriv->hHWContext;
+ intel->driFd = sPriv->fd;
+ intel->driHwLock = (drmLock *) &sPriv->pSAREA->lock;
+
+ intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
+ intel->hw_stipple = 1;
+
+ switch(mesaVis->depthBits) {
+ case 0: /* what to do in this case? */
+ case 16:
+ intel->depth_scale = 1.0/0xffff;
+ intel->polygon_offset_scale = 1.0/0xffff;
+ intel->depth_clear_mask = ~0;
+ intel->ClearDepth = 0xffff;
+ break;
+ case 24:
+ intel->depth_scale = 1.0/0xffffff;
+ intel->polygon_offset_scale = 2.0/0xffffff; /* req'd to pass glean */
+ intel->depth_clear_mask = 0x00ffffff;
+ intel->stencil_clear_mask = 0xff000000;
+ intel->ClearDepth = 0x00ffffff;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ /* Initialize swrast, tnl driver tables: */
+ intelInitSpanFuncs( ctx );
+ intelInitTriFuncs( ctx );
+
+
+ intel->RenderIndex = ~0;
+
+ intel->do_irqs = (intel->intelScreen->irq_active &&
+ !getenv("INTEL_NO_IRQS"));
+
+ _math_matrix_ctr (&intel->ViewportMatrix);
+
+ driInitExtensions( ctx, card_extensions, GL_TRUE );
+
+/* driInitTextureObjects( ctx, & intel->swapped, */
+/* DRI_TEXMGR_DO_TEXTURE_1D | */
+/* DRI_TEXMGR_DO_TEXTURE_2D | */
+/* DRI_TEXMGR_DO_TEXTURE_RECT ); */
+
+
+ intel->prim.flush = intelInitBatchBuffer;
+ intel->prim.primitive = ~0;
+
+
+#if DO_DEBUG
+ INTEL_DEBUG = driParseDebugString( getenv( "INTEL_DEBUG" ),
+ debug_control );
+ INTEL_DEBUG |= driParseDebugString( getenv( "INTEL_DEBUG" ),
+ debug_control );
+#endif
+
+#ifndef VERBOSE
+ if (getenv("INTEL_VERBOSE"))
+ VERBOSE=1;
+#endif
+
+ if (getenv("INTEL_NO_RAST") ||
+ getenv("INTEL_NO_RAST")) {
+ fprintf(stderr, "disabling 3D rasterization\n");
+ FALLBACK(intel, INTEL_FALLBACK_USER, 1);
+ }
+
+ return GL_TRUE;
+}
+
+void intelDestroyContext(__DRIcontextPrivate *driContextPriv)
+{
+ intelContextPtr intel = (intelContextPtr) driContextPriv->driverPrivate;
+
+ assert(intel); /* should never be null */
+ if (intel) {
+ GLboolean release_texture_heaps;
+
+
+ intel->vtbl.destroy( intel );
+
+ release_texture_heaps = (intel->ctx.Shared->RefCount == 1);
+ _swsetup_DestroyContext (&intel->ctx);
+ _tnl_DestroyContext (&intel->ctx);
+ _ac_DestroyContext (&intel->ctx);
+
+ _swrast_DestroyContext (&intel->ctx);
+ intel->Fallback = 0; /* don't call _swrast_Flush later */
+
+ intelDestroyBatchBuffer(&intel->ctx);
+
+
+ if ( release_texture_heaps ) {
+ /* This share group is about to go away, free our private
+ * texture object data.
+ */
+ int i;
+
+ for ( i = 0 ; i < intel->nr_heaps ; i++ ) {
+ driDestroyTextureHeap( intel->texture_heaps[ i ] );
+ intel->texture_heaps[ i ] = NULL;
+ }
+
+ assert( is_empty_list( & intel->swapped ) );
+ }
+
+ /* free the Mesa context */
+ _mesa_destroy_context(&intel->ctx);
+ }
+}
+
+void intelSetFrontClipRects( intelContextPtr intel )
+{
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+
+ if (!dPriv) return;
+
+ intel->numClipRects = dPriv->numClipRects;
+ intel->pClipRects = dPriv->pClipRects;
+ intel->drawX = dPriv->x;
+ intel->drawY = dPriv->y;
+}
+
+
+void intelSetBackClipRects( intelContextPtr intel )
+{
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+
+ if (!dPriv) return;
+
+ if (intel->sarea->pf_enabled == 0 && dPriv->numBackClipRects == 0) {
+ intel->numClipRects = dPriv->numClipRects;
+ intel->pClipRects = dPriv->pClipRects;
+ intel->drawX = dPriv->x;
+ intel->drawY = dPriv->y;
+ } else {
+ intel->numClipRects = dPriv->numBackClipRects;
+ intel->pClipRects = dPriv->pBackClipRects;
+ intel->drawX = dPriv->backX;
+ intel->drawY = dPriv->backY;
+
+ if (dPriv->numBackClipRects == 1 &&
+ dPriv->x == dPriv->backX &&
+ dPriv->y == dPriv->backY) {
+
+ /* Repeat the calculation of the back cliprect dimensions here
+ * as early versions of dri.a in the Xserver are incorrect. Try
+ * very hard not to restrict future versions of dri.a which
+ * might eg. allocate truly private back buffers.
+ */
+ int x1, y1;
+ int x2, y2;
+
+ x1 = dPriv->x;
+ y1 = dPriv->y;
+ x2 = dPriv->x + dPriv->w;
+ y2 = dPriv->y + dPriv->h;
+
+ if (x1 < 0) x1 = 0;
+ if (y1 < 0) y1 = 0;
+ if (x2 > intel->intelScreen->width) x2 = intel->intelScreen->width;
+ if (y2 > intel->intelScreen->height) y2 = intel->intelScreen->height;
+
+ if (x1 == dPriv->pBackClipRects[0].x1 &&
+ y1 == dPriv->pBackClipRects[0].y1) {
+
+ dPriv->pBackClipRects[0].x2 = x2;
+ dPriv->pBackClipRects[0].y2 = y2;
+ }
+ }
+ }
+}
+
+
+void intelWindowMoved( intelContextPtr intel )
+{
+ switch (intel->ctx.Color._DrawDestMask) {
+ case DD_FRONT_LEFT_BIT:
+ intelSetFrontClipRects( intel );
+ break;
+ case DD_BACK_LEFT_BIT:
+ intelSetBackClipRects( intel );
+ break;
+ default:
+ /* glDrawBuffer(GL_NONE or GL_FRONT_AND_BACK): software fallback */
+ intelSetFrontClipRects( intel );
+ }
+}
+
+GLboolean intelUnbindContext(__DRIcontextPrivate *driContextPriv)
+{
+ return GL_TRUE;
+}
+
+GLboolean intelMakeCurrent(__DRIcontextPrivate *driContextPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ __DRIdrawablePrivate *driReadPriv)
+{
+
+ if (driContextPriv) {
+ intelContextPtr intel = (intelContextPtr) driContextPriv->driverPrivate;
+
+ if ( intel->driDrawable != driDrawPriv ) {
+ /* Shouldn't the readbuffer be stored also? */
+ intel->driDrawable = driDrawPriv;
+ intelWindowMoved( intel );
+ }
+
+ _mesa_make_current2(&intel->ctx,
+ (GLframebuffer *) driDrawPriv->driverPrivate,
+ (GLframebuffer *) driReadPriv->driverPrivate);
+
+ if (!intel->ctx.Viewport.Width)
+ _mesa_set_viewport(&intel->ctx, 0, 0, driDrawPriv->w, driDrawPriv->h);
+ } else {
+ _mesa_make_current(0,0);
+ }
+
+ return GL_TRUE;
+}
+
+void intelGetLock( intelContextPtr intel, GLuint flags )
+{
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ __DRIscreenPrivate *sPriv = intel->driScreen;
+ drmI830Sarea * sarea = intel->sarea;
+ int me = intel->hHWContext;
+ unsigned i;
+
+ drmGetLock(intel->driFd, intel->hHWContext, flags);
+
+ /* If the window moved, may need to set a new cliprect now.
+ *
+ * NOTE: This releases and regains the hw lock, so all state
+ * checking must be done *after* this call:
+ */
+ if (dPriv)
+ DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
+
+ /* If we lost context, need to dump all registers to hardware.
+ * Note that we don't care about 2d contexts, even if they perform
+ * accelerated commands, so the DRI locking in the X server is even
+ * more broken than usual.
+ */
+
+ if (sarea->ctxOwner != me) {
+ intel->perf_boxes |= I830_BOX_LOST_CONTEXT;
+ sarea->ctxOwner = me;
+ }
+
+ /* Shared texture managment - if another client has played with
+ * texture space, figure out which if any of our textures have been
+ * ejected, and update our global LRU.
+ */
+
+ for ( i = 0 ; i < intel->nr_heaps ; i++ ) {
+ DRI_AGE_TEXTURES( intel->texture_heaps[ i ] );
+ }
+
+ if (dPriv && intel->lastStamp != dPriv->lastStamp) {
+ intelWindowMoved( intel );
+ intel->lastStamp = dPriv->lastStamp;
+ }
+}
+
+void intelSwapBuffers( __DRIdrawablePrivate *dPriv )
+{
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ intelContextPtr intel;
+ GLcontext *ctx;
+ intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
+ ctx = &intel->ctx;
+ if (ctx->Visual.doubleBufferMode) {
+ _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
+ if ( 0 /*intel->doPageFlip*/ ) { /* doPageFlip is never set !!! */
+ intelPageFlip( dPriv );
+ } else {
+ intelCopyBuffer( dPriv );
+ }
+ }
+ } else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
+ }
+}
+
+
+void intelInitState( GLcontext *ctx )
+{
+ /* Mesa should do this for us:
+ */
+ ctx->Driver.AlphaFunc( ctx,
+ ctx->Color.AlphaFunc,
+ ctx->Color.AlphaRef);
+
+ ctx->Driver.BlendColor( ctx,
+ ctx->Color.BlendColor );
+
+ ctx->Driver.BlendEquationSeparate( ctx,
+ ctx->Color.BlendEquationRGB,
+ ctx->Color.BlendEquationA);
+
+ ctx->Driver.BlendFuncSeparate( ctx,
+ ctx->Color.BlendSrcRGB,
+ ctx->Color.BlendDstRGB,
+ ctx->Color.BlendSrcA,
+ ctx->Color.BlendDstA);
+
+ ctx->Driver.ColorMask( ctx,
+ ctx->Color.ColorMask[RCOMP],
+ ctx->Color.ColorMask[GCOMP],
+ ctx->Color.ColorMask[BCOMP],
+ ctx->Color.ColorMask[ACOMP]);
+
+ ctx->Driver.CullFace( ctx, ctx->Polygon.CullFaceMode );
+ ctx->Driver.DepthFunc( ctx, ctx->Depth.Func );
+ ctx->Driver.DepthMask( ctx, ctx->Depth.Mask );
+
+ ctx->Driver.Enable( ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled );
+ ctx->Driver.Enable( ctx, GL_BLEND, ctx->Color.BlendEnabled );
+ ctx->Driver.Enable( ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled );
+ ctx->Driver.Enable( ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled );
+ ctx->Driver.Enable( ctx, GL_CULL_FACE, ctx->Polygon.CullFlag );
+ ctx->Driver.Enable( ctx, GL_DEPTH_TEST, ctx->Depth.Test );
+ ctx->Driver.Enable( ctx, GL_DITHER, ctx->Color.DitherFlag );
+ ctx->Driver.Enable( ctx, GL_FOG, ctx->Fog.Enabled );
+ ctx->Driver.Enable( ctx, GL_LIGHTING, ctx->Light.Enabled );
+ ctx->Driver.Enable( ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag );
+ ctx->Driver.Enable( ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag );
+ ctx->Driver.Enable( ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled );
+ ctx->Driver.Enable( ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled );
+ ctx->Driver.Enable( ctx, GL_TEXTURE_1D, GL_FALSE );
+ ctx->Driver.Enable( ctx, GL_TEXTURE_2D, GL_FALSE );
+ ctx->Driver.Enable( ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE );
+ ctx->Driver.Enable( ctx, GL_TEXTURE_3D, GL_FALSE );
+ ctx->Driver.Enable( ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE );
+
+ ctx->Driver.Fogfv( ctx, GL_FOG_COLOR, ctx->Fog.Color );
+ ctx->Driver.Fogfv( ctx, GL_FOG_MODE, 0 );
+ ctx->Driver.Fogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
+ ctx->Driver.Fogfv( ctx, GL_FOG_START, &ctx->Fog.Start );
+ ctx->Driver.Fogfv( ctx, GL_FOG_END, &ctx->Fog.End );
+
+ ctx->Driver.FrontFace( ctx, ctx->Polygon.FrontFace );
+
+ {
+ GLfloat f = (GLfloat)ctx->Light.Model.ColorControl;
+ ctx->Driver.LightModelfv( ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f );
+ }
+
+ ctx->Driver.LineWidth( ctx, ctx->Line.Width );
+ ctx->Driver.LogicOpcode( ctx, ctx->Color.LogicOp );
+ ctx->Driver.PointSize( ctx, ctx->Point.Size );
+ ctx->Driver.PolygonStipple( ctx, (const GLubyte *)ctx->PolygonStipple );
+ ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
+ ctx->Scissor.Width, ctx->Scissor.Height );
+ ctx->Driver.ShadeModel( ctx, ctx->Light.ShadeModel );
+ ctx->Driver.StencilFunc( ctx,
+ ctx->Stencil.Function[0],
+ ctx->Stencil.Ref[0],
+ ctx->Stencil.ValueMask[0] );
+ ctx->Driver.StencilMask( ctx, ctx->Stencil.WriteMask[0] );
+ ctx->Driver.StencilOp( ctx,
+ ctx->Stencil.FailFunc[0],
+ ctx->Stencil.ZFailFunc[0],
+ ctx->Stencil.ZPassFunc[0]);
+
+
+ ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer );
+}
--- /dev/null
+
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef INTELCONTEXT_INC
+#define INTELCONTEXT_INC
+
+
+
+#include "mtypes.h"
+#include "drm.h"
+#include "mm.h"
+#include "texmem.h"
+
+#include "intel_screen.h"
+#include "i830_common.h"
+#include "tnl/t_vertex.h"
+
+#define TAG(x) intel##x
+#include "tnl_dd/t_dd_vertex.h"
+#undef TAG
+
+#define DV_PF_555 (1<<8)
+#define DV_PF_565 (2<<8)
+#define DV_PF_8888 (3<<8)
+
+#define INTEL_CONTEXT(ctx) ((intelContextPtr)(ctx))
+
+typedef struct intel_context intelContext;
+typedef struct intel_context *intelContextPtr;
+typedef struct intel_texture_object *intelTextureObjectPtr;
+
+typedef void (*intel_tri_func)(intelContextPtr, intelVertex *, intelVertex *,
+ intelVertex *);
+typedef void (*intel_line_func)(intelContextPtr, intelVertex *, intelVertex *);
+typedef void (*intel_point_func)(intelContextPtr, intelVertex *);
+
+#define INTEL_FALLBACK_DRAW_BUFFER 0x1
+#define INTEL_FALLBACK_READ_BUFFER 0x2
+#define INTEL_FALLBACK_USER 0x4
+#define INTEL_FALLBACK_NO_BATCHBUFFER 0x8
+#define INTEL_FALLBACK_NO_TEXMEM 0x10
+#define INTEL_FALLBACK_RENDERMODE 0x20
+
+extern void intelFallback( intelContextPtr intel, GLuint bit, GLboolean mode );
+#define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
+
+
+#define INTEL_TEX_MAXLEVELS 10
+
+
+struct intel_texture_object
+{
+ driTextureObject base; /* the parent class */
+
+ GLuint texelBytes;
+ GLuint age;
+ GLuint Pitch;
+ GLuint Height;
+ GLuint TextureOffset;
+ GLubyte *BufAddr;
+
+ GLuint min_level;
+ GLuint max_level;
+ GLuint depth_pitch;
+
+ struct {
+ const struct gl_texture_image *image;
+ GLuint offset; /* into BufAddr */
+ GLuint height;
+ GLuint internalFormat;
+ } image[6][INTEL_TEX_MAXLEVELS];
+
+ GLuint dirty;
+ GLuint firstLevel,lastLevel;
+};
+
+
+struct intel_context
+{
+ GLcontext ctx; /* the parent class */
+
+ struct {
+ void (*destroy)( intelContextPtr intel );
+ void (*emit_state)( intelContextPtr intel );
+ void (*emit_invarient_state)( intelContextPtr intel );
+ void (*lost_hardware)( intelContextPtr intel );
+ void (*update_texture_state)( intelContextPtr intel );
+
+ void (*render_start)( intelContextPtr intel );
+ void (*set_draw_offset)( intelContextPtr intel, int offset );
+ void (*emit_flush)( intelContextPtr intel );
+
+ void (*reduced_primitive_state)( intelContextPtr intel, GLenum rprim );
+
+ GLboolean (*check_vertex_size)( intelContextPtr intel, GLuint expected );
+
+ void (*clear_with_tris)( intelContextPtr intel, GLbitfield mask,
+ GLboolean all,
+ GLint cx, GLint cy, GLint cw, GLint ch);
+
+ intelTextureObjectPtr (*alloc_tex_obj)( struct gl_texture_object *tObj );
+
+ } vtbl;
+
+ GLint refcount;
+ GLuint Fallback;
+ GLuint NewGLState;
+
+ struct {
+ GLuint start_offset;
+ GLint size;
+ GLint space;
+ GLubyte *ptr;
+ } batch;
+
+ struct {
+ void *ptr;
+ GLint size;
+ GLuint offset;
+ GLuint active_buf;
+ GLuint irq_emitted;
+ } alloc;
+
+ struct {
+ GLuint primitive;
+ GLubyte *start_ptr;
+ void (*flush)( GLcontext * );
+ } prim;
+
+ GLboolean locked;
+
+ GLubyte clear_red;
+ GLubyte clear_green;
+ GLubyte clear_blue;
+ GLubyte clear_alpha;
+ GLuint ClearColor;
+ GLuint ClearDepth;
+
+ GLuint coloroffset;
+ GLuint specoffset;
+
+ /* Support for duplicating XYZW as WPOS parameter (crutch for I915).
+ */
+ GLuint wpos_offset;
+ GLuint wpos_size;
+
+ struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
+ GLuint vertex_attr_count;
+
+ GLfloat depth_scale;
+ GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
+ GLuint depth_clear_mask;
+ GLuint stencil_clear_mask;
+
+ GLboolean hw_stencil;
+ GLboolean hw_stipple;
+
+ /* Texture object bookkeeping
+ */
+ GLuint nr_heaps;
+ driTexHeap * texture_heaps[1];
+ driTextureObject swapped;
+ GLuint lastStamp;
+
+ struct intel_texture_object *CurrentTexObj[MAX_TEXTURE_UNITS];
+
+ /* State for intelvb.c and inteltris.c.
+ */
+ GLuint RenderIndex;
+ GLmatrix ViewportMatrix;
+ GLenum render_primitive;
+ GLenum reduced_primitive;
+ GLuint vertex_size;
+ char *verts; /* points to tnl->clipspace.vertex_buf */
+
+
+ /* Fallback rasterization functions
+ */
+ intel_point_func draw_point;
+ intel_line_func draw_line;
+ intel_tri_func draw_tri;
+
+ /* These refer to the current draw (front vs. back) buffer:
+ */
+ char *drawMap; /* draw buffer address in virtual mem */
+ char *readMap;
+ GLuint drawOffset; /* agp offset of drawbuffer */
+ int drawX; /* origin of drawable in draw buffer */
+ int drawY;
+ GLuint numClipRects; /* cliprects for that buffer */
+ drm_clip_rect_t *pClipRects;
+
+ int dirtyAge;
+ int perf_boxes;
+ int do_irqs;
+
+ GLboolean scissor;
+ drm_clip_rect_t draw_rect;
+ drm_clip_rect_t scissor_rect;
+
+ drm_context_t hHWContext;
+ drmLock *driHwLock;
+ int driFd;
+
+ __DRIdrawablePrivate *driDrawable;
+ __DRIscreenPrivate *driScreen;
+ intelScreenPrivate *intelScreen;
+ drmI830Sarea *sarea;
+};
+
+
+#define DEBUG_LOCKING 1
+
+#if DEBUG_LOCKING
+extern char *prevLockFile;
+extern int prevLockLine;
+
+#define DEBUG_LOCK() \
+ do { \
+ prevLockFile = (__FILE__); \
+ prevLockLine = (__LINE__); \
+ } while (0)
+
+#define DEBUG_RESET() \
+ do { \
+ prevLockFile = 0; \
+ prevLockLine = 0; \
+ } while (0)
+
+/* Slightly less broken way of detecting recursive locking in a
+ * threaded environment. The right way to do this would be to make
+ * prevLockFile, prevLockLine thread-local.
+ *
+ * This technique instead checks to see if the same context is
+ * requesting the lock twice -- this will not catch application
+ * breakages where the same context is active in two different threads
+ * at once, but it will catch driver breakages (recursive locking) in
+ * threaded apps.
+ */
+#define DEBUG_CHECK_LOCK() \
+ do { \
+ if ( *((volatile int *)intel->driHwLock) == \
+ (DRM_LOCK_HELD | intel->hHWContext) ) { \
+ fprintf( stderr, \
+ "LOCK SET!\n\tPrevious %s:%d\n\tCurrent: %s:%d\n", \
+ prevLockFile, prevLockLine, __FILE__, __LINE__ ); \
+ abort(); \
+ } \
+ } while (0)
+
+#else
+
+#define DEBUG_LOCK()
+#define DEBUG_RESET()
+#define DEBUG_CHECK_LOCK()
+
+#endif
+
+
+
+
+/* Lock the hardware and validate our state.
+ */
+#define LOCK_HARDWARE( intel ) \
+do { \
+ char __ret=0; \
+ DEBUG_CHECK_LOCK(); \
+ assert(!(intel)->locked); \
+ DRM_CAS((intel)->driHwLock, (intel)->hHWContext, \
+ (DRM_LOCK_HELD|(intel)->hHWContext), __ret); \
+ if (__ret) \
+ intelGetLock( (intel), 0 ); \
+ DEBUG_LOCK(); \
+ (intel)->locked = 1; \
+}while (0)
+
+
+ /* Unlock the hardware using the global current context
+ */
+#define UNLOCK_HARDWARE(intel) \
+do { \
+ intel->locked = 0; \
+ if (0) { \
+ intel->perf_boxes |= intel->sarea->perf_boxes; \
+ intel->sarea->perf_boxes = 0; \
+ } \
+ DRM_UNLOCK((intel)->driFd, (intel)->driHwLock, (intel)->hHWContext); \
+ DEBUG_RESET(); \
+} while (0)
+
+
+#define SUBPIXEL_X 0.125
+#define SUBPIXEL_Y 0.125
+
+#define INTEL_FIREVERTICES(intel) \
+do { \
+ if ((intel)->prim.flush) \
+ (intel)->prim.flush(&(intel)->ctx); \
+} while (0)
+
+/* ================================================================
+ * Color packing:
+ */
+
+#define INTEL_PACKCOLOR4444(r,g,b,a) \
+ ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
+
+#define INTEL_PACKCOLOR1555(r,g,b,a) \
+ ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
+ ((a) ? 0x8000 : 0))
+
+#define INTEL_PACKCOLOR565(r,g,b) \
+ ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
+
+#define INTEL_PACKCOLOR8888(r,g,b,a) \
+ ((a<<24) | (r<<16) | (g<<8) | b)
+
+
+#define INTEL_PACKCOLOR(format, r, g, b, a) \
+(format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \
+ (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \
+ (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \
+ 0)))
+
+
+
+/* ================================================================
+ * From linux kernel i386 header files, copes with odd sizes better
+ * than COPY_DWORDS would:
+ */
+static __inline__ void * __memcpy(void * to, const void * from, size_t n)
+{
+ int d0, d1, d2;
+ __asm__ __volatile__(
+ "rep ; movsl\n\t"
+ "testb $2,%b4\n\t"
+ "je 1f\n\t"
+ "movsw\n"
+ "1:\ttestb $1,%b4\n\t"
+ "je 2f\n\t"
+ "movsb\n"
+ "2:"
+ : "=&c" (d0), "=&D" (d1), "=&S" (d2)
+ :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
+ : "memory");
+ return (to);
+}
+
+
+
+/* ================================================================
+ * Debugging:
+ */
+#define DO_DEBUG 1
+#if DO_DEBUG
+extern int INTEL_DEBUG;
+#else
+#define INTEL_DEBUG 0
+#endif
+
+#define DEBUG_TEXTURE 0x1
+#define DEBUG_STATE 0x2
+#define DEBUG_IOCTL 0x4
+#define DEBUG_PRIMS 0x8
+#define DEBUG_VERTS 0x10
+#define DEBUG_FALLBACKS 0x20
+#define DEBUG_VERBOSE 0x40
+#define DEBUG_DRI 0x80
+#define DEBUG_DMA 0x100
+#define DEBUG_SANITY 0x200
+#define DEBUG_SYNC 0x400
+#define DEBUG_SLEEP 0x800
+#define DEBUG_PIXEL 0x1000
+
+
+#define PCI_CHIP_845_G 0x2562
+#define PCI_CHIP_I830_M 0x3577
+#define PCI_CHIP_I855_GM 0x3582
+#define PCI_CHIP_I865_G 0x2572
+#define PCI_CHIP_I915_G 0x2582
+
+
+/* ================================================================
+ * intel_context.c:
+ */
+
+extern void intelInitDriverFunctions( struct dd_function_table *functions );
+
+extern GLboolean intelInitContext( intelContextPtr intel,
+ const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate,
+ struct dd_function_table *functions );
+
+extern void intelGetLock(intelContextPtr intel, GLuint flags);
+extern void intelSetBackClipRects(intelContextPtr intel);
+extern void intelSetFrontClipRects(intelContextPtr intel);
+extern void intelWindowMoved( intelContextPtr intel );
+
+extern void intelInitState( GLcontext *ctx );
+extern const GLubyte *intelGetString( GLcontext *ctx, GLenum name );
+
+
+/* ================================================================
+ * intel_state.c:
+ */
+extern void intelInitStateFuncs( struct dd_function_table *functions );
+
+
+/* ================================================================
+ * intel_ioctl.c:
+ */
+extern void intel_dump_batchbuffer( long offset,
+ int *ptr,
+ int count );
+
+
+/* ================================================================
+ * intel_pixel.c:
+ */
+extern void intelInitPixelFuncs( struct dd_function_table *functions );
+
+
+
+#endif
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "mtypes.h"
+#include "context.h"
+#include "swrast/swrast.h"
+
+#include "intel_context.h"
+#include "intel_ioctl.h"
+#include "intel_batchbuffer.h"
+#include "drm.h"
+
+
+
+static int intelEmitIrqLocked( intelContextPtr intel )
+{
+ drmI830IrqEmit ie;
+ int ret, seq;
+
+ assert(((*(int *)intel->driHwLock) & ~DRM_LOCK_CONT) ==
+ (DRM_LOCK_HELD|intel->hHWContext));
+
+ ie.irq_seq = &seq;
+
+ ret = drmCommandWriteRead( intel->driFd, DRM_I830_IRQ_EMIT,
+ &ie, sizeof(ie) );
+ if ( ret ) {
+ fprintf( stderr, "%s: drmI830IrqEmit: %d\n", __FUNCTION__, ret );
+ exit(1);
+ }
+
+ if (0)
+ fprintf(stderr, "%s --> %d\n", __FUNCTION__, seq );
+
+ return seq;
+}
+
+static void intelWaitIrq( intelContextPtr intel, int seq )
+{
+ drmI830IrqWait iw;
+ int ret;
+
+ if (0)
+ fprintf(stderr, "%s %d\n", __FUNCTION__, seq );
+
+ iw.irq_seq = seq;
+
+ do {
+ ret = drmCommandWrite( intel->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw) );
+ } while (ret == -EAGAIN || ret == -EINTR);
+
+ if ( ret ) {
+ fprintf( stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret );
+ if (0)
+ intel_dump_batchbuffer( intel->alloc.offset,
+ intel->alloc.ptr,
+ intel->alloc.size );
+ exit(1);
+ }
+}
+
+
+
+static void age_intel( intelContextPtr intel, int age )
+{
+ GLuint i;
+
+ for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++)
+ if (intel->CurrentTexObj[i])
+ intel->CurrentTexObj[i]->age = age;
+}
+
+void intel_dump_batchbuffer( long offset,
+ int *ptr,
+ int count )
+{
+ int i;
+ fprintf(stderr, "\n\n\nSTART BATCH (%d dwords):\n", count);
+ for (i = 0; i < count/4; i += 4)
+ fprintf(stderr, "\t0x%x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
+ offset + i*4, ptr[i], ptr[i+1], ptr[i+2], ptr[i+3]);
+ fprintf(stderr, "END BATCH\n\n\n");
+}
+
+void intelRefillBatchLocked( intelContextPtr intel, GLboolean allow_unlock )
+{
+ GLuint last_irq = intel->alloc.irq_emitted;
+ GLuint half = intel->alloc.size / 2;
+ GLuint buf = (intel->alloc.active_buf ^= 1);
+
+ intel->alloc.irq_emitted = intelEmitIrqLocked( intel );
+
+ if (last_irq) {
+ if (allow_unlock) UNLOCK_HARDWARE( intel );
+ intelWaitIrq( intel, last_irq );
+ if (allow_unlock) LOCK_HARDWARE( intel );
+ }
+
+ if (0)
+ fprintf(stderr, "%s: now using half %d\n", __FUNCTION__, buf);
+
+ intel->batch.start_offset = intel->alloc.offset + buf * half;
+ intel->batch.ptr = (char *)intel->alloc.ptr + buf * half;
+ intel->batch.size = half - 8;
+ intel->batch.space = half - 8;
+ assert(intel->batch.space >= 0);
+}
+
+#define MI_BATCH_BUFFER_END (0xA<<23)
+
+
+void intelFlushBatchLocked( intelContextPtr intel,
+ GLboolean ignore_cliprects,
+ GLboolean refill,
+ GLboolean allow_unlock)
+{
+ drmI830BatchBuffer batch;
+
+ assert(intel->locked);
+
+ if (0)
+ fprintf(stderr, "%s used %d of %d offset %x..%x refill %d\n",
+ __FUNCTION__,
+ (intel->batch.size - intel->batch.space),
+ intel->batch.size,
+ intel->batch.start_offset,
+ intel->batch.start_offset +
+ (intel->batch.size - intel->batch.space),
+ refill);
+
+ /* Throw away non-effective packets. Won't work once we have
+ * hardware contexts which would preserve statechanges beyond a
+ * single buffer.
+ */
+ if (intel->numClipRects == 0 && !ignore_cliprects) {
+ intel->batch.space = intel->batch.size;
+
+ /* Without this yeild, an application with no cliprects can hog
+ * the hardware. Without unlocking, the effect is much worse -
+ * effectively a lock-out of other contexts.
+ */
+ if (allow_unlock) {
+ UNLOCK_HARDWARE( intel );
+ sched_yield();
+ LOCK_HARDWARE( intel );
+ }
+
+ /* Note that any state thought to have been emitted actually
+ * hasn't:
+ */
+ intel->vtbl.lost_hardware( intel );
+ }
+
+ if (intel->batch.space != intel->batch.size) {
+ batch.start = intel->batch.start_offset;
+ batch.used = intel->batch.size - intel->batch.space;
+ batch.cliprects = intel->pClipRects;
+ batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects;
+ batch.DR1 = 0;
+ batch.DR4 = ((((GLuint)intel->drawX) & 0xffff) |
+ (((GLuint)intel->drawY) << 16));
+
+ if (intel->alloc.offset) {
+ if ((batch.used & 0x4) == 0) {
+ ((int *)intel->batch.ptr)[0] = 0;
+ ((int *)intel->batch.ptr)[1] = MI_BATCH_BUFFER_END;
+ batch.used += 0x8;
+ intel->batch.ptr += 0x8;
+ }
+ else {
+ ((int *)intel->batch.ptr)[0] = MI_BATCH_BUFFER_END;
+ batch.used += 0x4;
+ intel->batch.ptr += 0x4;
+ }
+ }
+
+ if (0)
+ intel_dump_batchbuffer( batch.start,
+ (int *)(intel->batch.ptr - batch.used),
+ batch.used );
+
+ if (0)
+ fprintf(stderr, "%s: 0x%x..0x%x DR4: %x cliprects: %d\n",
+ __FUNCTION__,
+ batch.start,
+ batch.start + batch.used,
+ batch.DR4, batch.num_cliprects);
+
+ intel->batch.start_offset += batch.used;
+ intel->batch.size -= batch.used;
+
+ if (intel->batch.size < 8) {
+ refill = GL_TRUE;
+ intel->batch.space = intel->batch.size = 0;
+ }
+ else {
+ intel->batch.size -= 8;
+ intel->batch.space = intel->batch.size;
+ }
+
+
+ assert(intel->batch.space >= 0);
+ assert(batch.start >= intel->alloc.offset);
+ assert(batch.start < intel->alloc.offset + intel->alloc.size);
+ assert(batch.start + batch.used > intel->alloc.offset);
+ assert(batch.start + batch.used <=
+ intel->alloc.offset + intel->alloc.size);
+
+
+ if (intel->alloc.offset) {
+ if (drmCommandWrite (intel->driFd, DRM_I830_BATCHBUFFER, &batch,
+ sizeof(batch))) {
+ fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno);
+ UNLOCK_HARDWARE(intel);
+ exit(1);
+ }
+ } else {
+ drmI830CmdBuffer cmd;
+ cmd.buf = intel->alloc.ptr + batch.start;
+ cmd.sz = batch.used;
+ cmd.DR1 = batch.DR1;
+ cmd.DR4 = batch.DR4;
+ cmd.num_cliprects = batch.num_cliprects;
+ cmd.cliprects = batch.cliprects;
+
+ if (drmCommandWrite (intel->driFd, DRM_I830_CMDBUFFER, &cmd,
+ sizeof(cmd))) {
+ fprintf(stderr, "DRM_I830_CMDBUFFER: %d\n", -errno);
+ UNLOCK_HARDWARE(intel);
+ exit(1);
+ }
+ }
+
+
+ age_intel(intel, intel->sarea->last_enqueue);
+
+ /* FIXME: use hardware contexts to avoid 'losing' hardware after
+ * each buffer flush.
+ */
+ intel->vtbl.lost_hardware( intel );
+ }
+
+ if (refill)
+ intelRefillBatchLocked( intel, allow_unlock );
+}
+
+void intelFlushBatch( intelContextPtr intel, GLboolean refill )
+{
+ if (intel->locked) {
+ intelFlushBatchLocked( intel, GL_FALSE, refill, GL_FALSE );
+ }
+ else {
+ LOCK_HARDWARE(intel);
+ intelFlushBatchLocked( intel, GL_FALSE, refill, GL_TRUE );
+ UNLOCK_HARDWARE(intel);
+ }
+}
+
+
+
+
+
+
+
+void intelWaitForIdle( intelContextPtr intel )
+{
+ if (0)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ intel->vtbl.emit_flush( intel );
+ intelFlushBatch( intel, GL_TRUE );
+
+ /* Use an irq to wait for dma idle -- Need to track lost contexts
+ * to shortcircuit consecutive calls to this function:
+ */
+ intelWaitIrq( intel, intel->alloc.irq_emitted );
+ intel->alloc.irq_emitted = 0;
+}
+
+
+
+void intelFlush( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+
+ if (intel->Fallback)
+ _swrast_flush( ctx );
+
+ INTEL_FIREVERTICES( intel );
+
+ if (intel->batch.size != intel->batch.space)
+ intelFlushBatch( intel, GL_FALSE );
+}
+
+void intelFinish( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ intelFlush( ctx );
+ intelWaitForIdle( intel );
+}
+
+
+void intelClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
+ GLint cx, GLint cy, GLint cw, GLint ch)
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ const GLuint colorMask = *((GLuint *) &ctx->Color.ColorMask);
+ GLbitfield tri_mask = 0;
+ GLbitfield blit_mask = 0;
+ GLbitfield swrast_mask = 0;
+
+ if (0)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ /* Take care of cliprects, which are handled differently for
+ * clears, etc.
+ */
+ intelFlush( &intel->ctx );
+
+ if (mask & DD_FRONT_LEFT_BIT) {
+ if (colorMask == ~0) {
+ blit_mask |= DD_FRONT_LEFT_BIT;
+ }
+ else {
+ tri_mask |= DD_FRONT_LEFT_BIT;
+ }
+ }
+
+ if (mask & DD_BACK_LEFT_BIT) {
+ if (colorMask == ~0) {
+ blit_mask |= DD_BACK_LEFT_BIT;
+ }
+ else {
+ tri_mask |= DD_BACK_LEFT_BIT;
+ }
+ }
+
+ if (mask & DD_DEPTH_BIT) {
+ blit_mask |= DD_DEPTH_BIT;
+ }
+
+ if (mask & DD_STENCIL_BIT) {
+ if (!intel->hw_stencil) {
+ swrast_mask |= DD_STENCIL_BIT;
+ }
+ else if (ctx->Stencil.WriteMask[0] != 0xff) {
+ tri_mask |= DD_STENCIL_BIT;
+ }
+ else {
+ blit_mask |= DD_STENCIL_BIT;
+ }
+ }
+
+ swrast_mask |= (mask & DD_ACCUM_BIT);
+
+ if (blit_mask)
+ intelClearWithBlit( ctx, blit_mask, all, cx, cy, cw, ch );
+
+ if (tri_mask)
+ intel->vtbl.clear_with_tris( intel, tri_mask, all, cx, cy, cw, ch);
+
+ if (swrast_mask)
+ _swrast_Clear( ctx, swrast_mask, all, cx, cy, cw, ch );
+}
+
+
+
+void *intelAllocateAGP( intelContextPtr intel, GLsizei size )
+{
+ int region_offset;
+ drmI830MemAlloc alloc;
+ int ret;
+
+ if (0)
+ fprintf(stderr, "%s: %d bytes\n", __FUNCTION__, size);
+
+ alloc.region = I830_MEM_REGION_AGP;
+ alloc.alignment = 0;
+ alloc.size = size;
+ alloc.region_offset = ®ion_offset;
+
+ LOCK_HARDWARE(intel);
+
+ /* Make sure the global heap is initialized
+ */
+ if (intel->texture_heaps[0])
+ driAgeTextures( intel->texture_heaps[0] );
+
+
+ ret = drmCommandWriteRead( intel->driFd,
+ DRM_I830_ALLOC,
+ &alloc, sizeof(alloc));
+
+ if (ret) {
+ fprintf(stderr, "%s: DRM_I830_ALLOC ret %d\n", __FUNCTION__, ret);
+ UNLOCK_HARDWARE(intel);
+ return NULL;
+ }
+
+ if (0)
+ fprintf(stderr, "%s: allocated %d bytes\n", __FUNCTION__, size);
+
+ /* Need to propogate this information (agp memory in use) to our
+ * local texture lru. The kernel has already updated the global
+ * lru. An alternative would have been to allocate memory the
+ * usual way and then notify the kernel to pin the allocation.
+ */
+ if (intel->texture_heaps[0])
+ driAgeTextures( intel->texture_heaps[0] );
+
+ UNLOCK_HARDWARE(intel);
+
+ return (void *)((char *)intel->intelScreen->tex.map + region_offset);
+}
+
+void intelFreeAGP( intelContextPtr intel, void *pointer )
+{
+ int region_offset;
+ drmI830MemFree memfree;
+ int ret;
+
+ region_offset = (char *)pointer - (char *)intel->intelScreen->tex.map;
+
+ if (region_offset < 0 ||
+ region_offset > intel->intelScreen->tex.size) {
+ fprintf(stderr, "offset %d outside range 0..%d\n", region_offset,
+ intel->intelScreen->tex.size);
+ return;
+ }
+
+ memfree.region = I830_MEM_REGION_AGP;
+ memfree.region_offset = region_offset;
+
+ ret = drmCommandWrite( intel->driFd,
+ DRM_I830_FREE,
+ &memfree, sizeof(memfree));
+
+ if (ret)
+ fprintf(stderr, "%s: DRM_I830_FREE ret %d\n", __FUNCTION__, ret);
+}
+
+/* This version of AllocateMemoryMESA allocates only agp memory, and
+ * only does so after the point at which the driver has been
+ * initialized.
+ *
+ * Theoretically a valid context isn't required. However, in this
+ * implementation, it is, as I'm using the hardware lock to protect
+ * the kernel data structures, and the current context to get the
+ * device fd.
+ */
+void *intelAllocateMemoryMESA(__DRInativeDisplay *dpy, int scrn,
+ GLsizei size, GLfloat readfreq,
+ GLfloat writefreq, GLfloat priority)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (INTEL_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s sz %d %f/%f/%f\n", __FUNCTION__, size, readfreq,
+ writefreq, priority);
+
+ if (getenv("INTEL_NO_ALLOC"))
+ return NULL;
+
+ if (!ctx || INTEL_CONTEXT(ctx) == 0)
+ return NULL;
+
+ return intelAllocateAGP( INTEL_CONTEXT(ctx), size );
+}
+
+
+/* Called via glXFreeMemoryMESA() */
+void intelFreeMemoryMESA(__DRInativeDisplay *dpy, int scrn, GLvoid *pointer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ if (INTEL_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s %p\n", __FUNCTION__, pointer);
+
+ if (!ctx || INTEL_CONTEXT(ctx) == 0) {
+ fprintf(stderr, "%s: no context\n", __FUNCTION__);
+ return;
+ }
+
+ intelFreeAGP( INTEL_CONTEXT(ctx), pointer );
+}
+
+/* Called via glXGetMemoryOffsetMESA()
+ *
+ * Returns offset of pointer from the start of agp aperture.
+ */
+GLuint intelGetMemoryOffsetMESA(__DRInativeDisplay *dpy, int scrn,
+ const GLvoid *pointer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ intelContextPtr intel;
+
+ if (!ctx || !(intel = INTEL_CONTEXT(ctx)) ) {
+ fprintf(stderr, "%s: no context\n", __FUNCTION__);
+ return ~0;
+ }
+
+ if (!intelIsAgpMemory( intel, pointer, 0 ))
+ return ~0;
+
+ return intelAgpOffsetFromVirtual( intel, pointer );
+}
+
+
+GLboolean intelIsAgpMemory( intelContextPtr intel, const GLvoid *pointer,
+ GLint size )
+{
+ int offset = (char *)pointer - (char *)intel->intelScreen->tex.map;
+ int valid = (size >= 0 &&
+ offset >= 0 &&
+ offset + size < intel->intelScreen->tex.size);
+
+ if (INTEL_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "intelIsAgpMemory( %p ) : %d\n", pointer, valid );
+
+ return valid;
+}
+
+
+GLuint intelAgpOffsetFromVirtual( intelContextPtr intel, const GLvoid *pointer )
+{
+ int offset = (char *)pointer - (char *)intel->intelScreen->tex.map;
+
+ if (offset < 0 || offset > intel->intelScreen->tex.size)
+ return ~0;
+ else
+ return intel->intelScreen->textureOffset + offset;
+}
+
+
+
+
+
+/* Flip the front & back buffes
+ */
+void intelPageFlip( const __DRIdrawablePrivate *dPriv )
+{
+#if 0
+ intelContextPtr intel;
+ int tmp, ret;
+
+ if (INTEL_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
+
+ intelFlush( &intel->ctx );
+ LOCK_HARDWARE( intel );
+
+ if (dPriv->pClipRects) {
+ *(drm_clip_rect_t *)intel->sarea->boxes = dPriv->pClipRects[0];
+ intel->sarea->nbox = 1;
+ }
+
+ ret = drmCommandNone(intel->driFd, DRM_I830_FLIP);
+ if (ret) {
+ fprintf(stderr, "%s: %d\n", __FUNCTION__, ret);
+ UNLOCK_HARDWARE( intel );
+ exit(1);
+ }
+
+ tmp = intel->sarea->last_enqueue;
+ intelRefillBatchLocked( intel );
+ UNLOCK_HARDWARE( intel );
+
+
+ intelSetDrawBuffer( &intel->ctx, intel->ctx.Color.DriverDrawBuffer );
+#endif
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_IOCTL_H
+#define INTEL_IOCTL_H
+
+#include "intel_context.h"
+
+extern void intelWaitAgeLocked( intelContextPtr intel, int age, GLboolean unlock );
+
+extern void intelClear(GLcontext *ctx, GLbitfield mask, GLboolean all,
+ GLint cx, GLint cy, GLint cw, GLint ch);
+
+extern void intelPageFlip( const __DRIdrawablePrivate *dpriv );
+extern void intelWaitForIdle( intelContextPtr intel );
+extern void intelFlushBatch( intelContextPtr intel, GLboolean refill );
+extern void intelFlushBatchLocked( intelContextPtr intel,
+ GLboolean ignore_cliprects,
+ GLboolean refill,
+ GLboolean allow_unlock);
+extern void intelRefillBatchLocked( intelContextPtr intel, GLboolean allow_unlock );
+extern void intelFinish( GLcontext *ctx );
+extern void intelFlush( GLcontext *ctx );
+
+extern void *intelAllocateAGP( intelContextPtr intel, GLsizei size );
+extern void intelFreeAGP( intelContextPtr intel, void *pointer );
+
+extern void *intelAllocateMemoryMESA( __DRInativeDisplay *dpy, int scrn,
+ GLsizei size, GLfloat readfreq,
+ GLfloat writefreq, GLfloat priority );
+
+extern void intelFreeMemoryMESA( __DRInativeDisplay *dpy, int scrn,
+ GLvoid *pointer );
+
+extern GLuint intelGetMemoryOffsetMESA( __DRInativeDisplay *dpy, int scrn, const GLvoid *pointer );
+extern GLboolean intelIsAgpMemory( intelContextPtr intel, const GLvoid *pointer,
+ GLint size );
+
+extern GLuint intelAgpOffsetFromVirtual( intelContextPtr intel, const GLvoid *p );
+
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "enums.h"
+#include "mtypes.h"
+#include "macros.h"
+#include "swrast/swrast.h"
+
+#include "intel_screen.h"
+#include "intel_context.h"
+#include "intel_ioctl.h"
+#include "intel_batchbuffer.h"
+
+
+
+static GLboolean
+check_color( const GLcontext *ctx, GLenum type, GLenum format,
+ const struct gl_pixelstore_attrib *packing,
+ const void *pixels, GLint sz, GLint pitch )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ GLuint cpp = intel->intelScreen->cpp;
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if ( (pitch & 63) ||
+ ctx->_ImageTransferState ||
+ packing->SwapBytes ||
+ packing->LsbFirst) {
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: failed 1\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ if ( type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+ cpp == 4 &&
+ format == GL_BGRA ) {
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: passed 2\n", __FUNCTION__);
+ return GL_TRUE;
+ }
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: failed\n", __FUNCTION__);
+
+ return GL_FALSE;
+}
+
+static GLboolean
+check_color_per_fragment_ops( const GLcontext *ctx )
+{
+ int result;
+ result = (!( ctx->Color.AlphaEnabled ||
+ ctx->Depth.Test ||
+ ctx->Fog.Enabled ||
+ ctx->Scissor.Enabled ||
+ ctx->Stencil.Enabled ||
+ !ctx->Color.ColorMask[0] ||
+ !ctx->Color.ColorMask[1] ||
+ !ctx->Color.ColorMask[2] ||
+ !ctx->Color.ColorMask[3] ||
+ ctx->Color.ColorLogicOpEnabled ||
+ ctx->Texture._EnabledUnits ||
+ ctx->Depth.OcclusionTest
+ ) &&
+ ctx->Current.RasterPosValid);
+
+ return result;
+}
+
+
+
+static GLboolean
+clip_pixelrect( const GLcontext *ctx,
+ const GLframebuffer *buffer,
+ GLint *x, GLint *y,
+ GLsizei *width, GLsizei *height,
+ GLint *size )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ /* left clipping */
+ if (*x < buffer->_Xmin) {
+ *width -= (buffer->_Xmin - *x);
+ *x = buffer->_Xmin;
+ }
+
+ /* right clipping */
+ if (*x + *width > buffer->_Xmax)
+ *width -= (*x + *width - buffer->_Xmax - 1);
+
+ if (*width <= 0)
+ return GL_FALSE;
+
+ /* bottom clipping */
+ if (*y < buffer->_Ymin) {
+ *height -= (buffer->_Ymin - *y);
+ *y = buffer->_Ymin;
+ }
+
+ /* top clipping */
+ if (*y + *height > buffer->_Ymax)
+ *height -= (*y + *height - buffer->_Ymax - 1);
+
+ if (*height <= 0)
+ return GL_FALSE;
+
+ *size = ((*y + *height - 1) * intel->intelScreen->frontPitch +
+ (*x + *width - 1) * intel->intelScreen->cpp);
+
+ return GL_TRUE;
+}
+
+static GLboolean
+intelTryReadPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *pack,
+ GLvoid *pixels )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ GLint size;
+ GLint pitch = pack->RowLength ? pack->RowLength : width;
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ /* Only accelerate reading to agp buffers.
+ */
+ if ( !intelIsAgpMemory(intel, pixels,
+ pitch * height * intel->intelScreen->cpp ) ) {
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: dest not agp\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ /* Need GL_PACK_INVERT_MESA to cope with upsidedown results from
+ * blitter:
+ */
+ if (!pack->Invert) {
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: MESA_PACK_INVERT not set\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ if (!check_color(ctx, type, format, pack, pixels, size, pitch))
+ return GL_FALSE;
+
+ switch ( intel->intelScreen->cpp ) {
+ case 4:
+ break;
+ default:
+ return GL_FALSE;
+ }
+
+
+ /* Although the blits go on the command buffer, need to do this and
+ * fire with lock held to guarentee cliprects and drawOffset are
+ * correct.
+ *
+ * This is an unusual situation however, as the code which flushes
+ * a full command buffer expects to be called unlocked. As a
+ * workaround, immediately flush the buffer on aquiring the lock.
+ */
+ intelFlush( &intel->ctx );
+ LOCK_HARDWARE( intel );
+ {
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ int nbox = dPriv->numClipRects;
+ int src_offset = intel->drawOffset;
+ int src_pitch = intel->intelScreen->frontPitch;
+ int dst_offset = intelAgpOffsetFromVirtual( intel, pixels);
+ drm_clip_rect_t *box = dPriv->pClipRects;
+ int i;
+
+ if (!clip_pixelrect(ctx, ctx->ReadBuffer, &x, &y, &width, &height,
+ &size)) {
+ UNLOCK_HARDWARE( intel );
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s totally clipped -- nothing to do\n",
+ __FUNCTION__);
+ return GL_TRUE;
+ }
+
+
+ y = dPriv->h - y - height;
+ x += dPriv->x;
+ y += dPriv->y;
+
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "readpixel blit src_pitch %d dst_pitch %d\n",
+ src_pitch, pitch);
+
+ for (i = 0 ; i < nbox ; i++)
+ {
+ GLint bx = box[i].x1;
+ GLint by = box[i].y1;
+ GLint bw = box[i].x2 - bx;
+ GLint bh = box[i].y2 - by;
+
+ if (bx < x) bw -= x - bx, bx = x;
+ if (by < y) bh -= y - by, by = y;
+ if (bx + bw > x + width) bw = x + width - bx;
+ if (by + bh > y + height) bh = y + height - by;
+ if (bw <= 0) continue;
+ if (bh <= 0) continue;
+
+ intelEmitCopyBlitLocked( intel,
+ intel->intelScreen->cpp,
+ src_pitch, src_offset,
+ pitch, dst_offset,
+ bx, by,
+ bx - x, by - y,
+ bw, bh );
+ }
+ }
+ UNLOCK_HARDWARE( intel );
+ intelFinish( &intel->ctx );
+
+ return GL_TRUE;
+}
+
+static void
+intelReadPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *pack,
+ GLvoid *pixels )
+{
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (!intelTryReadPixels( ctx, x, y, width, height, format, type, pack,
+ pixels))
+ _swrast_ReadPixels( ctx, x, y, width, height, format, type, pack,
+ pixels);
+}
+
+
+
+
+static void do_draw_pix( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLint pitch,
+ const void *pixels,
+ GLuint dest )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ drm_clip_rect_t *box = dPriv->pClipRects;
+ int nbox = dPriv->numClipRects;
+ int i;
+ int size;
+ int src_offset = intelAgpOffsetFromVirtual( intel, pixels);
+ int src_pitch = pitch;
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ intelFlush( &intel->ctx );
+ LOCK_HARDWARE( intel );
+ {
+ y -= height; /* cope with pixel zoom */
+
+ if (!clip_pixelrect(ctx, ctx->DrawBuffer,
+ &x, &y, &width, &height,
+ &size)) {
+ UNLOCK_HARDWARE( intel );
+ return;
+ }
+
+ y = dPriv->h - y - height; /* convert from gl to hardware coords */
+ x += dPriv->x;
+ y += dPriv->y;
+
+
+ for (i = 0 ; i < nbox ; i++ )
+ {
+ GLint bx = box[i].x1;
+ GLint by = box[i].y1;
+ GLint bw = box[i].x2 - bx;
+ GLint bh = box[i].y2 - by;
+
+ if (bx < x) bw -= x - bx, bx = x;
+ if (by < y) bh -= y - by, by = y;
+ if (bx + bw > x + width) bw = x + width - bx;
+ if (by + bh > y + height) bh = y + height - by;
+ if (bw <= 0) continue;
+ if (bh <= 0) continue;
+
+ intelEmitCopyBlitLocked( intel,
+ intel->intelScreen->cpp,
+ src_pitch, src_offset,
+ intel->intelScreen->frontPitch,
+ intel->drawOffset,
+ bx - x, by - y,
+ bx, by,
+ bw, bh );
+ }
+ }
+ UNLOCK_HARDWARE( intel );
+ intelFinish( &intel->ctx );
+}
+
+
+
+
+static GLboolean
+intelTryDrawPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid *pixels )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ GLint pitch = unpack->RowLength ? unpack->RowLength : width;
+ GLuint dest;
+ GLuint cpp = intel->intelScreen->cpp;
+ GLint size = width * pitch * cpp;
+
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ switch (format) {
+ case GL_RGB:
+ case GL_RGBA:
+ case GL_BGRA:
+ dest = intel->drawOffset;
+
+ /* Planemask doesn't have full support in blits.
+ */
+ if (!ctx->Color.ColorMask[RCOMP] ||
+ !ctx->Color.ColorMask[GCOMP] ||
+ !ctx->Color.ColorMask[BCOMP] ||
+ !ctx->Color.ColorMask[ACOMP]) {
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: planemask\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ /* Can't do conversions on agp reads/draws.
+ */
+ if ( !intelIsAgpMemory( intel, pixels, size ) ) {
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s: not agp memory\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ if (!check_color(ctx, type, format, unpack, pixels, size, pitch)) {
+ return GL_FALSE;
+ }
+ if (!check_color_per_fragment_ops(ctx)) {
+ return GL_FALSE;
+ }
+
+ if (ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != -1.0F)
+ return GL_FALSE;
+ break;
+
+ default:
+ return GL_FALSE;
+ }
+
+ if ( intelIsAgpMemory(intel, pixels, size) )
+ {
+ do_draw_pix( ctx, x, y, width, height, pitch, pixels,
+ dest );
+ return GL_TRUE;
+ }
+ else if (0)
+ {
+ /* Pixels is in regular memory -- get dma buffers and perform
+ * upload through them. No point doing this for regular uploads
+ * but once we remove some of the restrictions above (colormask,
+ * pixelformat conversion, zoom?, etc), this could be a win.
+ */
+ }
+ else
+ return GL_FALSE;
+}
+
+static void
+intelDrawPixels( GLcontext *ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLvoid *pixels )
+{
+ if (INTEL_DEBUG & DEBUG_PIXEL)
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (!intelTryDrawPixels( ctx, x, y, width, height, format, type,
+ unpack, pixels ))
+ _swrast_DrawPixels( ctx, x, y, width, height, format, type,
+ unpack, pixels );
+}
+
+
+
+
+/**
+ * Implement glCopyPixels for the front color buffer (or back buffer Pixmap)
+ * for the color buffer. Don't support zooming, pixel transfer, etc.
+ * We do support copying from one window to another, ala glXMakeCurrentRead.
+ */
+static void
+intelCopyPixels( GLcontext *ctx,
+ GLint srcx, GLint srcy, GLsizei width, GLsizei height,
+ GLint destx, GLint desty, GLenum type )
+{
+#if 0
+ const XMesaContext xmesa = XMESA_CONTEXT(ctx);
+ const SWcontext *swrast = SWRAST_CONTEXT( ctx );
+ XMesaDisplay *dpy = xmesa->xm_visual->display;
+ const XMesaDrawable drawBuffer = xmesa->xm_draw_buffer->buffer;
+ const XMesaDrawable readBuffer = xmesa->xm_read_buffer->buffer;
+ const XMesaGC gc = xmesa->xm_draw_buffer->gc;
+
+ ASSERT(dpy);
+ ASSERT(gc);
+
+ if (drawBuffer && /* buffer != 0 means it's a Window or Pixmap */
+ readBuffer &&
+ type == GL_COLOR &&
+ (swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */
+ ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */
+ ctx->Pixel.ZoomX == 1.0 && /* no zooming */
+ ctx->Pixel.ZoomY == 1.0) {
+ /* Note: we don't do any special clipping work here. We could,
+ * but X will do it for us.
+ */
+ srcy = FLIP(xmesa->xm_read_buffer, srcy) - height + 1;
+ desty = FLIP(xmesa->xm_draw_buffer, desty) - height + 1;
+ XCopyArea(dpy, readBuffer, drawBuffer, gc,
+ srcx, srcy, width, height, destx, desty);
+ }
+#else
+ _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type );
+#endif
+}
+
+
+
+
+void intelInitPixelFuncs( struct dd_function_table *functions )
+{
+ /* Pixel path fallbacks.
+ */
+ functions->Accum = _swrast_Accum;
+ functions->Bitmap = _swrast_Bitmap;
+ functions->CopyPixels = intelCopyPixels;
+
+ if (!getenv("INTEL_NO_BLITS")) {
+ functions->ReadPixels = intelReadPixels;
+ functions->DrawPixels = intelDrawPixels;
+ }
+ else {
+ functions->ReadPixels = _swrast_ReadPixels;
+ functions->DrawPixels = _swrast_DrawPixels;
+ }
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#ifndef _INTEL_REG_H_
+#define _INTEL_REG_H_
+
+
+
+#define CMD_3D (0x3<<29)
+
+
+#define _3DPRIMITIVE ((0x3<<29)|(0x1f<<24))
+#define PRIM_INDIRECT (1<<23)
+#define PRIM_INLINE (0<<23)
+#define PRIM_INDIRECT_SEQUENTIAL (0<<17)
+#define PRIM_INDIRECT_ELTS (1<<17)
+
+#define PRIM3D_TRILIST (0x0<<18)
+#define PRIM3D_TRISTRIP (0x1<<18)
+#define PRIM3D_TRISTRIP_RVRSE (0x2<<18)
+#define PRIM3D_TRIFAN (0x3<<18)
+#define PRIM3D_POLY (0x4<<18)
+#define PRIM3D_LINELIST (0x5<<18)
+#define PRIM3D_LINESTRIP (0x6<<18)
+#define PRIM3D_RECTLIST (0x7<<18)
+#define PRIM3D_POINTLIST (0x8<<18)
+#define PRIM3D_DIB (0x9<<18)
+#define PRIM3D_MASK (0x1f<<18)
+
+#define I915PACKCOLOR4444(r,g,b,a) \
+ ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
+
+#define I915PACKCOLOR1555(r,g,b,a) \
+ ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
+ ((a) ? 0x8000 : 0))
+
+#define I915PACKCOLOR565(r,g,b) \
+ ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
+
+#define I915PACKCOLOR8888(r,g,b,a) \
+ ((a<<24) | (r<<16) | (g<<8) | b)
+
+
+
+
+#define BR00_BITBLT_CLIENT 0x40000000
+#define BR00_OP_COLOR_BLT 0x10000000
+#define BR00_OP_SRC_COPY_BLT 0x10C00000
+#define BR13_SOLID_PATTERN 0x80000000
+
+#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4)
+#define XY_COLOR_BLT_WRITE_ALPHA (1<<21)
+#define XY_COLOR_BLT_WRITE_RGB (1<<20)
+
+#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+/*
+ * Render unclipped vertex buffers by emitting vertices directly to
+ * dma buffers. Use strip/fan hardware acceleration where possible.
+ *
+ */
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "enums.h"
+
+#include "tnl/t_context.h"
+#include "tnl/t_vertex.h"
+
+#include "intel_screen.h"
+#include "intel_context.h"
+#include "intel_tris.h"
+#include "intel_batchbuffer.h"
+#include "intel_reg.h"
+
+/*
+ * Render unclipped vertex buffers by emitting vertices directly to
+ * dma buffers. Use strip/fan hardware primitives where possible.
+ * Try to simulate missing primitives with indexed vertices.
+ */
+#define HAVE_POINTS 0 /* Has it, but can't use because subpixel has to
+ * be adjusted for points on the INTEL/I845G
+ */
+#define HAVE_LINES 1
+#define HAVE_LINE_STRIPS 1
+#define HAVE_TRIANGLES 1
+#define HAVE_TRI_STRIPS 1
+#define HAVE_TRI_STRIP_1 0 /* has it, template can't use it yet */
+#define HAVE_TRI_FANS 1
+#define HAVE_POLYGONS 1
+#define HAVE_QUADS 0
+#define HAVE_QUAD_STRIPS 0
+
+#define HAVE_ELTS 0
+
+static GLuint hw_prim[GL_POLYGON+1] = {
+ 0,
+ PRIM3D_LINELIST,
+ PRIM3D_LINESTRIP,
+ PRIM3D_LINESTRIP,
+ PRIM3D_TRILIST,
+ PRIM3D_TRISTRIP,
+ PRIM3D_TRIFAN,
+ 0,
+ 0,
+ PRIM3D_POLY
+};
+
+static const GLenum reduced_prim[GL_POLYGON+1] = {
+ GL_POINTS,
+ GL_LINES,
+ GL_LINES,
+ GL_LINES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES
+};
+
+static const int scale_prim[GL_POLYGON+1] = {
+ 0, /* fallback case */
+ 1,
+ 2,
+ 2,
+ 1,
+ 3,
+ 3,
+ 0, /* fallback case */
+ 0, /* fallback case */
+ 3
+};
+
+
+static void intelDmaPrimitive( intelContextPtr intel, GLenum prim )
+{
+ if (0) fprintf(stderr, "%s %s\n", __FUNCTION__, _mesa_lookup_enum_by_nr(prim));
+ INTEL_FIREVERTICES(intel);
+ intel->vtbl.reduced_primitive_state( intel, reduced_prim[prim] );
+ intelStartInlinePrimitive( intel, hw_prim[prim] );
+}
+
+
+#define LOCAL_VARS intelContextPtr intel = INTEL_CONTEXT(ctx)
+#define INIT( prim ) \
+do { \
+ intelDmaPrimitive( intel, prim ); \
+} while (0)
+#define FLUSH() INTEL_FIREVERTICES( intel )
+
+#define GET_SUBSEQUENT_VB_MAX_VERTS() \
+ (((intel->alloc.size / 2) - 1500) / (intel->vertex_size*4))
+#define GET_CURRENT_VB_MAX_VERTS() GET_SUBSEQUENT_VB_MAX_VERTS()
+
+#define ALLOC_VERTS( nr ) \
+ intelExtendInlinePrimitive( intel, (nr) * intel->vertex_size )
+
+#define EMIT_VERTS( ctx, j, nr, buf ) \
+ _tnl_emit_vertices_to_buffer(ctx, j, (j)+(nr), buf )
+
+#define TAG(x) intel_##x
+#include "tnl_dd/t_dd_dmatmp.h"
+
+
+/**********************************************************************/
+/* Render pipeline stage */
+/**********************************************************************/
+
+/* Heuristic to choose between the two render paths:
+ */
+static GLboolean choose_render( intelContextPtr intel,
+ struct vertex_buffer *VB )
+{
+ int vertsz = intel->vertex_size;
+ int cost_render = 0;
+ int cost_fallback = 0;
+ int nr_prims = 0;
+ int nr_rprims = 0;
+ int nr_rverts = 0;
+ int rprim = intel->reduced_primitive;
+ int i = 0;
+
+ for (i = 0 ; i < VB->PrimitiveCount ; i++) {
+ GLuint prim = VB->Primitive[i].mode;
+ GLuint length = VB->Primitive[i].count;
+
+ if (!length)
+ continue;
+
+ nr_prims++;
+ nr_rverts += length * scale_prim[prim & PRIM_MODE_MASK];
+
+ if (reduced_prim[prim & PRIM_MODE_MASK] != rprim) {
+ nr_rprims++;
+ rprim = reduced_prim[prim & PRIM_MODE_MASK];
+ }
+ }
+
+ /* One point for each generated primitive:
+ */
+ cost_render = nr_prims;
+ cost_fallback = nr_rprims;
+
+ /* One point for every 1024 dwords (4k) of dma:
+ */
+ cost_render += (vertsz * i) / 1024;
+ cost_fallback += (vertsz * nr_rverts) / 1024;
+
+ if (0)
+ fprintf(stderr, "cost render: %d fallback: %d\n",
+ cost_render, cost_fallback);
+
+ if (cost_render > cost_fallback)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+static GLboolean intel_run_render( GLcontext *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint i;
+
+ /* Don't handle clipping or indexed vertices.
+ */
+ if (intel->RenderIndex != 0 ||
+ !intel_validate_render( ctx, VB ) ||
+ !choose_render( intel, VB )) {
+ return GL_TRUE;
+ }
+
+ tnl->clipspace.new_inputs |= VERT_BIT_POS;
+
+ tnl->Driver.Render.Start( ctx );
+
+ for (i = 0 ; i < VB->PrimitiveCount ; i++)
+ {
+ GLuint prim = VB->Primitive[i].mode;
+ GLuint start = VB->Primitive[i].start;
+ GLuint length = VB->Primitive[i].count;
+
+ if (!length)
+ continue;
+
+ intel_render_tab_verts[prim & PRIM_MODE_MASK]( ctx, start, start + length,
+ prim );
+ }
+
+ tnl->Driver.Render.Finish( ctx );
+
+ return GL_FALSE; /* finished the pipe */
+}
+
+
+static void intel_check_render( GLcontext *ctx,
+ struct tnl_pipeline_stage *stage )
+{
+ stage->inputs = TNL_CONTEXT(ctx)->render_inputs;
+}
+
+static void dtr( struct tnl_pipeline_stage *stage )
+{
+ (void)stage;
+}
+
+
+const struct tnl_pipeline_stage _intel_render_stage =
+{
+ "intel render",
+ (_DD_NEW_SEPARATE_SPECULAR |
+ _NEW_TEXTURE|
+ _NEW_FOG|
+ _NEW_RENDERMODE), /* re-check (new inputs) */
+ 0, /* re-run (always runs) */
+ GL_TRUE, /* active */
+ 0, 0, /* inputs (set in check_render), outputs */
+ 0, 0, /* changed_inputs, private */
+ dtr, /* destructor */
+ intel_check_render, /* check - initially set to alloc data */
+ intel_run_render /* run */
+};
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "context.h"
+#include "matrix.h"
+#include "simple_list.h"
+#include "utils.h"
+
+
+#include "intel_screen.h"
+
+#include "intel_tex.h"
+#include "intel_span.h"
+#include "intel_tris.h"
+#include "intel_ioctl.h"
+
+
+
+#include "i830_dri.h"
+
+#ifdef USE_NEW_INTERFACE
+static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
+#endif /*USE_NEW_INTERFACE*/
+
+
+static void intelPrintDRIInfo(intelScreenPrivate *intelScreen,
+ __DRIscreenPrivate *sPriv,
+ I830DRIPtr gDRIPriv)
+{
+ fprintf(stderr, "Front size : 0x%x\n", sPriv->fbSize);
+ fprintf(stderr, "Front offset : 0x%x\n", intelScreen->frontOffset);
+ fprintf(stderr, "Back size : 0x%x\n", intelScreen->back.size);
+ fprintf(stderr, "Back offset : 0x%x\n", intelScreen->backOffset);
+ fprintf(stderr, "Depth size : 0x%x\n", intelScreen->depth.size);
+ fprintf(stderr, "Depth offset : 0x%x\n", intelScreen->depthOffset);
+ fprintf(stderr, "Texture size : 0x%x\n", intelScreen->textureSize);
+ fprintf(stderr, "Texture offset : 0x%x\n", intelScreen->textureOffset);
+ fprintf(stderr, "Memory : 0x%x\n", gDRIPriv->mem);
+}
+
+static GLboolean intelInitDriver(__DRIscreenPrivate *sPriv)
+{
+ intelScreenPrivate *intelScreen;
+ I830DRIPtr gDRIPriv = (I830DRIPtr)sPriv->pDevPriv;
+
+
+ /* Allocate the private area */
+ intelScreen = (intelScreenPrivate *)MALLOC(sizeof(intelScreenPrivate));
+ if (!intelScreen) {
+ fprintf(stderr,"\nERROR! Allocating private area failed\n");
+ return GL_FALSE;
+ }
+
+ intelScreen->driScrnPriv = sPriv;
+ sPriv->private = (void *)intelScreen;
+
+ intelScreen->deviceID = gDRIPriv->deviceID;
+ intelScreen->width = gDRIPriv->width;
+ intelScreen->height = gDRIPriv->height;
+ intelScreen->mem = gDRIPriv->mem;
+ intelScreen->cpp = gDRIPriv->cpp;
+ intelScreen->frontPitch = gDRIPriv->fbStride;
+ intelScreen->frontOffset = gDRIPriv->fbOffset;
+
+ switch (gDRIPriv->bitsPerPixel) {
+ case 15: intelScreen->fbFormat = DV_PF_555; break;
+ case 16: intelScreen->fbFormat = DV_PF_565; break;
+ case 32: intelScreen->fbFormat = DV_PF_8888; break;
+ }
+
+ intelScreen->backOffset = gDRIPriv->backOffset;
+ intelScreen->backPitch = gDRIPriv->backPitch;
+ intelScreen->depthOffset = gDRIPriv->depthOffset;
+ intelScreen->depthPitch = gDRIPriv->depthPitch;
+ intelScreen->textureOffset = gDRIPriv->textureOffset;
+ intelScreen->textureSize = gDRIPriv->textureSize;
+ intelScreen->logTextureGranularity = gDRIPriv->logTextureGranularity;
+ intelScreen->back.handle = gDRIPriv->backbuffer;
+ intelScreen->back.size = gDRIPriv->backbufferSize;
+
+ if (drmMap(sPriv->fd,
+ intelScreen->back.handle,
+ intelScreen->back.size,
+ (drmAddress *)&intelScreen->back.map) != 0) {
+ fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n",
+ __LINE__, __FUNCTION__, __FILE__);
+ FREE(intelScreen);
+ sPriv->private = NULL;
+ return GL_FALSE;
+ }
+
+ intelScreen->depth.handle = gDRIPriv->depthbuffer;
+ intelScreen->depth.size = gDRIPriv->depthbufferSize;
+
+ if (drmMap(sPriv->fd,
+ intelScreen->depth.handle,
+ intelScreen->depth.size,
+ (drmAddress *)&intelScreen->depth.map) != 0) {
+ fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n",
+ __LINE__, __FUNCTION__, __FILE__);
+ FREE(intelScreen);
+ drmUnmap(intelScreen->back.map, intelScreen->back.size);
+ sPriv->private = NULL;
+ return GL_FALSE;
+ }
+
+ intelScreen->tex.handle = gDRIPriv->textures;
+ intelScreen->tex.size = gDRIPriv->textureSize;
+
+ if (drmMap(sPriv->fd,
+ intelScreen->tex.handle,
+ intelScreen->tex.size,
+ (drmAddress *)&intelScreen->tex.map) != 0) {
+ fprintf(stderr, "\nERROR: line %d, Function %s, File %s\n",
+ __LINE__, __FUNCTION__, __FILE__);
+ FREE(intelScreen);
+ drmUnmap(intelScreen->back.map, intelScreen->back.size);
+ drmUnmap(intelScreen->depth.map, intelScreen->depth.size);
+ sPriv->private = NULL;
+ return GL_FALSE;
+ }
+
+ intelScreen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
+
+ if (0) intelPrintDRIInfo(intelScreen, sPriv, gDRIPriv);
+
+ intelScreen->drmMinor = sPriv->drmMinor;
+
+ {
+ int ret;
+ drmI830GetParam gp;
+
+ gp.param = I830_PARAM_IRQ_ACTIVE;
+ gp.value = &intelScreen->irq_active;
+
+ ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM,
+ &gp, sizeof(gp));
+ if (ret) {
+ fprintf(stderr, "drmI830GetParam: %d\n", ret);
+ return GL_FALSE;
+ }
+ }
+
+ {
+ int ret;
+ drmI830GetParam gp;
+
+ gp.param = I830_PARAM_ALLOW_BATCHBUFFER;
+ gp.value = &intelScreen->allow_batchbuffer;
+
+ ret = drmCommandWriteRead( sPriv->fd, DRM_I830_GETPARAM,
+ &gp, sizeof(gp));
+ if (ret) {
+ fprintf(stderr, "drmI830GetParam: (%d) %d\n", gp.param, ret);
+ return GL_FALSE;
+ }
+ }
+
+#ifndef _SOLO
+ if ( driCompareGLXAPIVersion( 20030813 ) >= 0 ) {
+ PFNGLXSCRENABLEEXTENSIONPROC glx_enable_extension =
+ (PFNGLXSCRENABLEEXTENSIONPROC) glXGetProcAddress( (const GLubyte *) "__glXScrEnableExtension" );
+ void * const psc = sPriv->psc->screenConfigs;
+
+ if (glx_enable_extension != NULL) {
+ (*glx_enable_extension)( psc, "GLX_SGI_make_current_read" );
+
+ if ( driCompareGLXAPIVersion( 20030915 ) >= 0 ) {
+ (*glx_enable_extension)( psc, "GLX_SGIX_fbconfig" );
+ (*glx_enable_extension)( psc, "GLX_OML_swap_method" );
+ }
+
+ if ( driCompareGLXAPIVersion( 20030818 ) >= 0 ) {
+ sPriv->psc->allocateMemory = (void *) intelAllocateMemoryMESA;
+ sPriv->psc->freeMemory = (void *) intelFreeMemoryMESA;
+ sPriv->psc->memoryOffset = (void *) intelGetMemoryOffsetMESA;
+
+ (*glx_enable_extension)( psc, "GLX_MESA_allocate_memory" );
+ }
+ }
+ }
+#endif
+
+ return GL_TRUE;
+}
+
+
+static void intelDestroyScreen(__DRIscreenPrivate *sPriv)
+{
+ intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
+
+ /* Need to unmap all the bufs and maps here:
+ */
+ drmUnmap(intelScreen->back.map, intelScreen->back.size);
+ drmUnmap(intelScreen->depth.map, intelScreen->depth.size);
+ drmUnmap(intelScreen->tex.map, intelScreen->tex.size);
+ FREE(intelScreen);
+ sPriv->private = NULL;
+}
+
+static GLboolean intelCreateBuffer( __DRIscreenPrivate *driScrnPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ const __GLcontextModes *mesaVis,
+ GLboolean isPixmap )
+{
+ if (isPixmap) {
+ return GL_FALSE; /* not implemented */
+ } else {
+ GLboolean swStencil = (mesaVis->stencilBits > 0 &&
+ mesaVis->depthBits != 24);
+
+ driDrawPriv->driverPrivate = (void *)
+ _mesa_create_framebuffer(mesaVis,
+ GL_FALSE, /* software depth buffer? */
+ swStencil,
+ mesaVis->accumRedBits > 0,
+ GL_FALSE /* s/w alpha planes */);
+
+ return (driDrawPriv->driverPrivate != NULL);
+ }
+}
+
+static void intelDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
+{
+ _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+}
+
+
+/* There are probably better ways to do this, such as an
+ * init-designated function to register chipids and createcontext
+ * functions.
+ */
+extern GLboolean i830CreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate);
+
+extern GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate);
+
+
+
+
+static GLboolean intelCreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate)
+{
+ __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
+ intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
+
+ switch (intelScreen->deviceID) {
+ case PCI_CHIP_845_G:
+ case PCI_CHIP_I830_M:
+ case PCI_CHIP_I855_GM:
+ case PCI_CHIP_I865_G:
+ return i830CreateContext( mesaVis, driContextPriv,
+ sharedContextPrivate );
+
+ case PCI_CHIP_I915_G:
+ return i915CreateContext( mesaVis, driContextPriv,
+ sharedContextPrivate );
+
+ default:
+ fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID);
+ return GL_FALSE;
+ }
+}
+
+
+static const struct __DriverAPIRec intelAPI = {
+ .InitDriver = intelInitDriver,
+ .DestroyScreen = intelDestroyScreen,
+ .CreateContext = intelCreateContext,
+ .DestroyContext = intelDestroyContext,
+ .CreateBuffer = intelCreateBuffer,
+ .DestroyBuffer = intelDestroyBuffer,
+ .SwapBuffers = intelSwapBuffers,
+ .MakeCurrent = intelMakeCurrent,
+ .UnbindContext = intelUnbindContext,
+ .GetSwapInfo = NULL,
+ .GetMSC = NULL,
+ .WaitForMSC = NULL,
+ .WaitForSBC = NULL,
+ .SwapBuffersMSC = NULL
+};
+
+/*
+ * This is the bootstrap function for the driver.
+ * The __driCreateScreen name is the symbol that libGL.so fetches.
+ * Return: pointer to a __DRIscreenPrivate.
+ */
+#if !defined(DRI_NEW_INTERFACE_ONLY)
+#ifndef _SOLO
+void *__driCreateScreen(Display *dpy, int scrn, __DRIscreen *psc,
+ int numConfigs, __GLXvisualConfig *config)
+{
+ __DRIscreenPrivate *psp;
+ psp = __driUtilCreateScreen(dpy, scrn, psc, numConfigs, config, &intelAPI);
+ return (void *) psp;
+}
+#else
+void *__driCreateScreen(struct DRIDriverRec *driver,
+ struct DRIDriverContextRec *driverContext)
+{
+ __DRIscreenPrivate *psp;
+ psp = __driUtilCreateScreen(driver, driverContext, &i830API);
+ return (void *) psp;
+}
+#endif
+#endif /* !defined(DRI_NEW_INTERFACE_ONLY) */
+
+
+/* This function is called by libGL.so as soon as libGL.so is loaded.
+ * This is where we'd register new extension functions with the dispatcher.
+ *
+ * Note: Most of these are probably already registered - just doing
+ * this for the benefit of old libGL.so's out there.
+ */
+#include "glapioffsets.h"
+
+void __driRegisterExtensions( void )
+{
+ int i;
+ static struct { const char *name; int offset; } funcs[] = {
+ { "glSecondaryColor3bEXT", _gloffset_SecondaryColor3bEXT },
+ { "glSecondaryColor3dEXT", _gloffset_SecondaryColor3dEXT },
+ { "glSecondaryColor3fEXT", _gloffset_SecondaryColor3fEXT },
+ { "glSecondaryColor3iEXT", _gloffset_SecondaryColor3iEXT },
+ { "glSecondaryColor3sEXT", _gloffset_SecondaryColor3sEXT },
+ { "glSecondaryColor3ubEXT", _gloffset_SecondaryColor3ubEXT },
+ { "glSecondaryColor3uiEXT", _gloffset_SecondaryColor3uiEXT },
+ { "glSecondaryColor3usEXT", _gloffset_SecondaryColor3usEXT },
+ { "glSecondaryColor3bvEXT", _gloffset_SecondaryColor3bvEXT },
+ { "glSecondaryColor3dvEXT", _gloffset_SecondaryColor3dvEXT },
+ { "glSecondaryColor3fvEXT", _gloffset_SecondaryColor3fvEXT },
+ { "glSecondaryColor3ivEXT", _gloffset_SecondaryColor3ivEXT },
+ { "glSecondaryColor3svEXT", _gloffset_SecondaryColor3svEXT },
+ { "glSecondaryColor3ubvEXT", _gloffset_SecondaryColor3ubvEXT },
+ { "glSecondaryColor3uivEXT", _gloffset_SecondaryColor3uivEXT },
+ { "glSecondaryColor3usvEXT", _gloffset_SecondaryColor3usvEXT },
+ { "glSecondaryColorPointerEXT", _gloffset_SecondaryColorPointerEXT }
+ };
+
+ for (i = 0 ; i < sizeof(funcs) / sizeof(*funcs) ; i++ )
+ _glapi_add_entrypoint( funcs[i].name, funcs[i].offset );
+}
+
+
+#ifdef USE_NEW_INTERFACE
+static __GLcontextModes * fill_in_modes( __GLcontextModes * modes,
+ unsigned pixel_bits,
+ unsigned depth_bits,
+ unsigned stencil_bits,
+ const GLenum * db_modes,
+ unsigned num_db_modes,
+ int visType )
+{
+ static const uint8_t bits[2][4] = {
+ { 5, 6, 5, 0 },
+ { 8, 8, 8, 8 }
+ };
+
+ static const uint32_t masks[2][4] = {
+ { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 },
+ { 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000 }
+ };
+
+ unsigned i;
+ unsigned j;
+ const unsigned index = ((pixel_bits + 15) / 16) - 1;
+
+ for ( i = 0 ; i < num_db_modes ; i++ ) {
+ for ( j = 0 ; j < 2 ; j++ ) {
+
+ modes->redBits = bits[index][0];
+ modes->greenBits = bits[index][1];
+ modes->blueBits = bits[index][2];
+ modes->alphaBits = bits[index][3];
+ modes->redMask = masks[index][0];
+ modes->greenMask = masks[index][1];
+ modes->blueMask = masks[index][2];
+ modes->alphaMask = masks[index][3];
+ modes->rgbBits = modes->redBits + modes->greenBits
+ + modes->blueBits + modes->alphaBits;
+
+ modes->accumRedBits = 16 * j;
+ modes->accumGreenBits = 16 * j;
+ modes->accumBlueBits = 16 * j;
+ modes->accumAlphaBits = (masks[index][3] != 0) ? 16 * j : 0;
+ modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG;
+
+ modes->stencilBits = stencil_bits;
+ modes->depthBits = depth_bits;
+
+ modes->visualType = visType;
+ modes->renderType = GLX_RGBA_BIT;
+ modes->drawableType = GLX_WINDOW_BIT;
+ modes->rgbMode = GL_TRUE;
+
+ if ( db_modes[i] == GLX_NONE ) {
+ modes->doubleBufferMode = GL_FALSE;
+ }
+ else {
+ modes->doubleBufferMode = GL_TRUE;
+ modes->swapMethod = db_modes[i];
+ }
+
+ modes = modes->next;
+ }
+ }
+
+ return modes;
+}
+#endif /* USE_NEW_INTERFACE */
+
+
+#ifdef USE_NEW_INTERFACE
+static __GLcontextModes *
+intelFillInModes( unsigned pixel_bits, unsigned depth_bits,
+ unsigned stencil_bits, GLboolean have_back_buffer )
+{
+ __GLcontextModes * modes;
+ __GLcontextModes * m;
+ unsigned num_modes;
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ unsigned i;
+
+ /* GLX_SWAP_COPY_OML is only supported because the MGA driver doesn't
+ * support pageflipping at all.
+ */
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+ };
+
+ int depth_buffer_modes[2][2];
+
+
+ depth_buffer_modes[0][0] = depth_bits;
+ depth_buffer_modes[1][0] = depth_bits;
+
+ /* Just like with the accumulation buffer, always provide some modes
+ * with a stencil buffer. It will be a sw fallback, but some apps won't
+ * care about that.
+ */
+ depth_buffer_modes[0][1] = 0;
+ depth_buffer_modes[1][1] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+ depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
+ back_buffer_factor = (have_back_buffer) ? 3 : 1;
+
+ num_modes = depth_buffer_factor * back_buffer_factor * 4;
+
+ modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) );
+ m = modes;
+ for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
+ m = fill_in_modes( m, pixel_bits,
+ depth_buffer_modes[i][0], depth_buffer_modes[i][1],
+ back_buffer_modes, back_buffer_factor,
+ GLX_TRUE_COLOR );
+ }
+
+ /* There's no direct color modes on intel? */
+#if 0
+ for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
+ m = fill_in_modes( m, pixel_bits,
+ depth_buffer_modes[i][0], depth_buffer_modes[i][1],
+ back_buffer_modes, back_buffer_factor,
+ GLX_DIRECT_COLOR );
+ }
+#endif
+
+ /* Mark the visual as slow if there are "fake" stencil bits.
+ */
+ for ( m = modes ; m != NULL ; m = m->next ) {
+ if ( (m->stencilBits != 0) && (m->stencilBits != stencil_bits) ) {
+ m->visualRating = GLX_SLOW_CONFIG;
+ }
+ }
+
+ return modes;
+}
+#endif /* USE_NEW_INTERFACE */
+
+
+/**
+ * This is the bootstrap function for the driver. libGL supplies all of the
+ * requisite information about the system, and the driver initializes itself.
+ * This routine also fills in the linked list pointed to by \c driver_modes
+ * with the \c __GLcontextModes that the driver can support for windows or
+ * pbuffers.
+ *
+ * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
+ * failure.
+ */
+#ifdef USE_NEW_INTERFACE
+void * __driCreateNewScreen( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
+ const __GLcontextModes * modes,
+ const __DRIversion * ddx_version,
+ const __DRIversion * dri_version,
+ const __DRIversion * drm_version,
+ const __DRIframebuffer * frame_buffer,
+ drmAddress pSAREA, int fd,
+ int internal_api_version,
+ __GLcontextModes ** driver_modes )
+
+{
+ __DRIscreenPrivate *psp;
+ static const __DRIversion ddx_expected = { 1, 0, 0 };
+ static const __DRIversion dri_expected = { 4, 0, 0 };
+ static const __DRIversion drm_expected = { 1, 1, 0 };
+
+ if ( ! driCheckDriDdxDrmVersions2( "i915",
+ dri_version, & dri_expected,
+ ddx_version, & ddx_expected,
+ drm_version, & drm_expected ) ) {
+ return NULL;
+ }
+
+ psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
+ ddx_version, dri_version, drm_version,
+ frame_buffer, pSAREA, fd,
+ internal_api_version, &intelAPI);
+ if ( psp != NULL ) {
+ create_context_modes = (PFNGLXCREATECONTEXTMODES)
+ glXGetProcAddress( (const GLubyte *) "__glXCreateContextModes" );
+ if ( create_context_modes != NULL ) {
+ I830DRIPtr dri_priv = (I830DRIPtr) psp->pDevPriv;
+ *driver_modes = intelFillInModes( dri_priv->cpp * 8,
+ (dri_priv->cpp == 2) ? 16 : 24,
+ (dri_priv->cpp == 2) ? 0 : 8,
+ (dri_priv->backOffset != dri_priv->depthOffset) );
+ }
+ }
+
+ return (void *) psp;
+}
+#endif /* USE_NEW_INTERFACE */
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef _INTEL_INIT_H_
+#define _INTEL_INIT_H_
+
+#include <sys/time.h>
+#include "dri_util.h"
+
+
+typedef struct {
+ drm_handle_t handle;
+ drmSize size;
+ char *map;
+} intelRegion;
+
+typedef struct
+{
+ intelRegion front;
+ intelRegion back;
+ intelRegion depth;
+ intelRegion tex;
+
+ int deviceID;
+ int width;
+ int height;
+ int mem;
+
+ int cpp; /* for front and back buffers */
+ int bitsPerPixel;
+
+ int fbFormat;
+
+ int frontOffset;
+ int frontPitch;
+
+ int backOffset;
+ int backPitch;
+
+ int depthOffset;
+ int depthPitch;
+
+
+ int textureOffset;
+ int textureSize;
+ int logTextureGranularity;
+
+ __DRIscreenPrivate *driScrnPriv;
+ unsigned int sarea_priv_offset;
+
+ int drmMinor;
+
+ int irq_active;
+ int allow_batchbuffer;
+} intelScreenPrivate;
+
+
+extern void
+intelDestroyContext(__DRIcontextPrivate *driContextPriv);
+
+extern GLboolean
+intelUnbindContext(__DRIcontextPrivate *driContextPriv);
+
+extern GLboolean
+intelMakeCurrent(__DRIcontextPrivate *driContextPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ __DRIdrawablePrivate *driReadPriv);
+
+extern void
+intelSwapBuffers( __DRIdrawablePrivate *dPriv);
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "colormac.h"
+
+#include "intel_screen.h"
+
+#include "intel_span.h"
+#include "intel_ioctl.h"
+#include "swrast/swrast.h"
+
+
+#define DBG 0
+
+#define LOCAL_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ intelScreenPrivate *intelScreen = intel->intelScreen; \
+ GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \
+ GLuint height = dPriv->h; \
+ char *buf = (char *)(intel->drawMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ char *read_buf = (char *)(intel->readMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ GLushort p; \
+ (void) read_buf; (void) buf; (void) p
+
+#define LOCAL_DEPTH_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ intelScreenPrivate *intelScreen = intel->intelScreen; \
+ GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \
+ GLuint height = dPriv->h; \
+ char *buf = (char *)(intelScreen->depth.map + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch)
+
+#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
+
+#define INIT_MONO_PIXEL(p,color)\
+ p = PACK_COLOR_565(color[0],color[1],color[2])
+
+#define CLIPPIXEL(_x,_y) (_x >= minx && _x < maxx && \
+ _y >= miny && _y < maxy)
+
+#define CLIPSPAN( _x, _y, _n, _x1, _n1, _i ) \
+ if ( _y < miny || _y >= maxy ) { \
+ _n1 = 0, _x1 = x; \
+ } else { \
+ _n1 = _n; \
+ _x1 = _x; \
+ if ( _x1 < minx ) _i += (minx-_x1), n1 -= (minx-_x1), _x1 = minx; \
+ if ( _x1 + _n1 >= maxx ) n1 -= (_x1 + n1 - maxx); \
+ }
+
+#define Y_FLIP(_y) (height - _y - 1)
+
+
+#define HW_LOCK()
+
+#define HW_CLIPLOOP() \
+ do { \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ int _nc = dPriv->numClipRects; \
+ while (_nc--) { \
+ int minx = dPriv->pClipRects[_nc].x1 - dPriv->x; \
+ int miny = dPriv->pClipRects[_nc].y1 - dPriv->y; \
+ int maxx = dPriv->pClipRects[_nc].x2 - dPriv->x; \
+ int maxy = dPriv->pClipRects[_nc].y2 - dPriv->y;
+
+
+#define HW_ENDCLIPLOOP() \
+ } \
+ } while (0)
+
+#define HW_UNLOCK()
+
+/* 16 bit, 565 rgb color spanline and pixel functions
+ */
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ *(GLushort *)(buf + _x*2 + _y*pitch) = ( (((int)r & 0xf8) << 8) | \
+ (((int)g & 0xfc) << 3) | \
+ (((int)b & 0xf8) >> 3))
+#define WRITE_PIXEL( _x, _y, p ) \
+ *(GLushort *)(buf + _x*2 + _y*pitch) = p
+
+#define READ_RGBA( rgba, _x, _y ) \
+do { \
+ GLushort p = *(GLushort *)(read_buf + _x*2 + _y*pitch); \
+ rgba[0] = (((p >> 11) & 0x1f) * 255) / 31; \
+ rgba[1] = (((p >> 5) & 0x3f) * 255) / 63; \
+ rgba[2] = (((p >> 0) & 0x1f) * 255) / 31; \
+ rgba[3] = 255; \
+} while(0)
+
+#define TAG(x) intel##x##_565
+#include "spantmp.h"
+
+
+
+
+/* 15 bit, 555 rgb color spanline and pixel functions
+ */
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ *(GLushort *)(buf + _x*2 + _y*pitch) = (((r & 0xf8) << 7) | \
+ ((g & 0xf8) << 3) | \
+ ((b & 0xf8) >> 3))
+
+#define WRITE_PIXEL( _x, _y, p ) \
+ *(GLushort *)(buf + _x*2 + _y*pitch) = p
+
+#define READ_RGBA( rgba, _x, _y ) \
+do { \
+ GLushort p = *(GLushort *)(read_buf + _x*2 + _y*pitch); \
+ rgba[0] = (p >> 7) & 0xf8; \
+ rgba[1] = (p >> 3) & 0xf8; \
+ rgba[2] = (p << 3) & 0xf8; \
+ rgba[3] = 255; \
+} while(0)
+
+#define TAG(x) intel##x##_555
+#include "spantmp.h"
+
+/* 16 bit depthbuffer functions.
+ */
+#define WRITE_DEPTH( _x, _y, d ) \
+ *(GLushort *)(buf + _x*2 + _y*pitch) = d;
+
+#define READ_DEPTH( d, _x, _y ) \
+ d = *(GLushort *)(buf + _x*2 + _y*pitch);
+
+
+#define TAG(x) intel##x##_16
+#include "depthtmp.h"
+
+
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ __DRIdrawablePrivate *dPriv = intel->driDrawable; \
+ intelScreenPrivate *intelScreen = intel->intelScreen; \
+ GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \
+ GLuint height = dPriv->h; \
+ char *buf = (char *)(intel->drawMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ char *read_buf = (char *)(intel->readMap + \
+ dPriv->x * intelScreen->cpp + \
+ dPriv->y * pitch); \
+ GLuint p; \
+ (void) read_buf; (void) buf; (void) p
+
+#undef INIT_MONO_PIXEL
+#define INIT_MONO_PIXEL(p,color)\
+ p = PACK_COLOR_888(color[0],color[1],color[2])
+
+/* 32 bit, 8888 argb color spanline and pixel functions
+ */
+#define WRITE_RGBA(_x, _y, r, g, b, a) \
+ *(GLuint *)(buf + _x*4 + _y*pitch) = ((r << 16) | \
+ (g << 8) | \
+ (b << 0) | \
+ (a << 24) )
+
+#define WRITE_PIXEL(_x, _y, p) \
+ *(GLuint *)(buf + _x*4 + _y*pitch) = p
+
+
+#define READ_RGBA(rgba, _x, _y) \
+ do { \
+ GLuint p = *(GLuint *)(read_buf + _x*4 + _y*pitch); \
+ rgba[0] = (p >> 16) & 0xff; \
+ rgba[1] = (p >> 8) & 0xff; \
+ rgba[2] = (p >> 0) & 0xff; \
+ rgba[3] = (p >> 24) & 0xff; \
+ } while (0)
+
+#define TAG(x) intel##x##_8888
+#include "spantmp.h"
+
+
+/* 24/8 bit interleaved depth/stencil functions
+ */
+#define WRITE_DEPTH( _x, _y, d ) { \
+ GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*pitch); \
+ tmp &= 0xff000000; \
+ tmp |= (d) & 0xffffff; \
+ *(GLuint *)(buf + (_x)*4 + (_y)*pitch) = tmp; \
+}
+
+#define READ_DEPTH( d, _x, _y ) \
+ d = *(GLuint *)(buf + (_x)*4 + (_y)*pitch) & 0xffffff;
+
+
+#define TAG(x) intel##x##_24_8
+#include "depthtmp.h"
+
+#define WRITE_STENCIL( _x, _y, d ) { \
+ GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*pitch); \
+ tmp &= 0xffffff; \
+ tmp |= ((d)<<24); \
+ *(GLuint *)(buf + (_x)*4 + (_y)*pitch) = tmp; \
+}
+
+#define READ_STENCIL( d, _x, _y ) \
+ d = *(GLuint *)(buf + (_x)*4 + (_y)*pitch) >> 24;
+
+#define TAG(x) intel##x##_24_8
+#include "stenciltmp.h"
+
+
+/*
+ * This function is called to specify which buffer to read and write
+ * for software rasterization (swrast) fallbacks. This doesn't necessarily
+ * correspond to glDrawBuffer() or glReadBuffer() calls.
+ */
+static void intelSetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer,
+ GLuint bufferBit)
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ if (bufferBit == DD_FRONT_LEFT_BIT) {
+ intel->drawMap = (char *)intel->driScreen->pFB;
+ intel->readMap = (char *)intel->driScreen->pFB;
+ } else if (bufferBit == DD_BACK_LEFT_BIT) {
+ intel->drawMap = intel->intelScreen->back.map;
+ intel->readMap = intel->intelScreen->back.map;
+ } else {
+ ASSERT(0);
+ }
+}
+
+
+/* Move locking out to get reasonable span performance.
+ */
+void intelSpanRenderStart( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ intelFlush(&intel->ctx);
+ LOCK_HARDWARE(intel);
+ intelWaitForIdle(intel);
+}
+
+void intelSpanRenderFinish( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ _swrast_flush( ctx );
+ UNLOCK_HARDWARE( intel );
+}
+
+void intelInitSpanFuncs( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ intelScreenPrivate *intelScreen = intel->intelScreen;
+
+ struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
+
+ swdd->SetBuffer = intelSetBuffer;
+
+ switch (intelScreen->fbFormat) {
+ case DV_PF_555:
+ swdd->WriteRGBASpan = intelWriteRGBASpan_555;
+ swdd->WriteRGBSpan = intelWriteRGBSpan_555;
+ swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_555;
+ swdd->WriteRGBAPixels = intelWriteRGBAPixels_555;
+ swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_555;
+ swdd->ReadRGBASpan = intelReadRGBASpan_555;
+ swdd->ReadRGBAPixels = intelReadRGBAPixels_555;
+
+ swdd->ReadDepthSpan = intelReadDepthSpan_16;
+ swdd->WriteDepthSpan = intelWriteDepthSpan_16;
+ swdd->ReadDepthPixels = intelReadDepthPixels_16;
+ swdd->WriteDepthPixels = intelWriteDepthPixels_16;
+ break;
+
+ case DV_PF_565:
+ swdd->WriteRGBASpan = intelWriteRGBASpan_565;
+ swdd->WriteRGBSpan = intelWriteRGBSpan_565;
+ swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_565;
+ swdd->WriteRGBAPixels = intelWriteRGBAPixels_565;
+ swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_565;
+ swdd->ReadRGBASpan = intelReadRGBASpan_565;
+ swdd->ReadRGBAPixels = intelReadRGBAPixels_565;
+
+ swdd->ReadDepthSpan = intelReadDepthSpan_16;
+ swdd->WriteDepthSpan = intelWriteDepthSpan_16;
+ swdd->ReadDepthPixels = intelReadDepthPixels_16;
+ swdd->WriteDepthPixels = intelWriteDepthPixels_16;
+ break;
+
+ case DV_PF_8888:
+ swdd->WriteRGBASpan = intelWriteRGBASpan_8888;
+ swdd->WriteRGBSpan = intelWriteRGBSpan_8888;
+ swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_8888;
+ swdd->WriteRGBAPixels = intelWriteRGBAPixels_8888;
+ swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_8888;
+ swdd->ReadRGBASpan = intelReadRGBASpan_8888;
+ swdd->ReadRGBAPixels = intelReadRGBAPixels_8888;
+
+ swdd->ReadDepthSpan = intelReadDepthSpan_24_8;
+ swdd->WriteDepthSpan = intelWriteDepthSpan_24_8;
+ swdd->ReadDepthPixels = intelReadDepthPixels_24_8;
+ swdd->WriteDepthPixels = intelWriteDepthPixels_24_8;
+
+ swdd->WriteStencilSpan = intelWriteStencilSpan_24_8;
+ swdd->ReadStencilSpan = intelReadStencilSpan_24_8;
+ swdd->WriteStencilPixels = intelWriteStencilPixels_24_8;
+ swdd->ReadStencilPixels = intelReadStencilPixels_24_8;
+ break;
+ }
+
+ swdd->SpanRenderStart = intelSpanRenderStart;
+ swdd->SpanRenderFinish = intelSpanRenderFinish;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef _INTEL_SPAN_H
+#define _INTEL_SPAN_H
+
+extern void intelInitSpanFuncs( GLcontext *ctx );
+
+extern void intelSpanRenderFinish( GLcontext *ctx );
+extern void intelSpanRenderStart( GLcontext *ctx );
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "enums.h"
+#include "dd.h"
+
+#include "intel_screen.h"
+#include "intel_context.h"
+#include "swrast/swrast.h"
+
+
+static void intelDrawBuffer(GLcontext *ctx, GLenum mode )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ intelScreenPrivate *screen = intel->intelScreen;
+ int front = 0;
+
+ switch ( ctx->Color._DrawDestMask ) {
+ case DD_FRONT_LEFT_BIT:
+ front = 1;
+ FALLBACK( intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE );
+ break;
+ case DD_BACK_LEFT_BIT:
+ front = 0;
+ FALLBACK( intel, INTEL_FALLBACK_DRAW_BUFFER, GL_FALSE );
+ break;
+ default:
+ FALLBACK( intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE );
+ return;
+ }
+
+ /* We want to update the s/w rast state too so that r200SetBuffer()
+ * gets called.
+ */
+ _swrast_DrawBuffer(ctx, mode);
+
+ if ( intel->sarea->pf_current_page == 1 )
+ front ^= 1;
+
+ intelSetFrontClipRects( intel );
+
+ if (front) {
+ intel->drawOffset = screen->frontOffset;
+ intel->drawMap = (char *)intel->driScreen->pFB;
+ intel->readMap = (char *)intel->driScreen->pFB;
+ } else {
+ intel->drawOffset = screen->backOffset;
+ intel->drawMap = screen->back.map;
+ intel->readMap = screen->back.map;
+ }
+
+ intel->vtbl.set_draw_offset( intel, intel->drawOffset );
+}
+
+static void intelReadBuffer( GLcontext *ctx, GLenum mode )
+{
+ /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
+}
+
+
+static void intelClearColor(GLcontext *ctx, const GLfloat color[4])
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ intelScreenPrivate *screen = intel->intelScreen;
+
+ CLAMPED_FLOAT_TO_UBYTE(intel->clear_red, color[0]);
+ CLAMPED_FLOAT_TO_UBYTE(intel->clear_green, color[1]);
+ CLAMPED_FLOAT_TO_UBYTE(intel->clear_blue, color[2]);
+ CLAMPED_FLOAT_TO_UBYTE(intel->clear_alpha, color[3]);
+
+ intel->ClearColor = INTEL_PACKCOLOR(screen->fbFormat,
+ intel->clear_red,
+ intel->clear_green,
+ intel->clear_blue,
+ intel->clear_alpha);
+}
+
+
+static void intelCalcViewport( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ const GLfloat *v = ctx->Viewport._WindowMap.m;
+ GLfloat *m = intel->ViewportMatrix.m;
+
+ /* See also intel_translate_vertex. SUBPIXEL adjustments can be done
+ * via state vars, too.
+ */
+ m[MAT_SX] = v[MAT_SX];
+ m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X;
+ m[MAT_SY] = - v[MAT_SY];
+ m[MAT_TY] = - v[MAT_TY] + intel->driDrawable->h + SUBPIXEL_Y;
+ m[MAT_SZ] = v[MAT_SZ] * intel->depth_scale;
+ m[MAT_TZ] = v[MAT_TZ] * intel->depth_scale;
+}
+
+static void intelViewport( GLcontext *ctx,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height )
+{
+ intelCalcViewport( ctx );
+}
+
+static void intelDepthRange( GLcontext *ctx,
+ GLclampd nearval, GLclampd farval )
+{
+ intelCalcViewport( ctx );
+}
+
+/* Fallback to swrast for select and feedback.
+ */
+static void intelRenderMode( GLcontext *ctx, GLenum mode )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ FALLBACK( intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER) );
+}
+
+
+void intelInitStateFuncs( struct dd_function_table *functions )
+{
+ functions->DrawBuffer = intelDrawBuffer;
+ functions->ReadBuffer = intelReadBuffer;
+ functions->RenderMode = intelRenderMode;
+ functions->Viewport = intelViewport;
+ functions->DepthRange = intelDepthRange;
+ functions->ClearColor = intelClearColor;
+}
+
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "imports.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "image.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "teximage.h"
+#include "texmem.h"
+#include "texobj.h"
+#include "swrast/swrast.h"
+
+#include "mm.h"
+
+#include "intel_screen.h"
+#include "intel_batchbuffer.h"
+#include "intel_context.h"
+#include "intel_tex.h"
+#include "intel_ioctl.h"
+
+
+
+static GLboolean
+intelValidateClientStorage( intelContextPtr intel, GLenum target,
+ GLint internalFormat,
+ GLint srcWidth, GLint srcHeight,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+
+{
+ GLcontext *ctx = &intel->ctx;
+ int texelBytes;
+
+ if (0)
+ fprintf(stderr, "intformat %s format %s type %s\n",
+ _mesa_lookup_enum_by_nr( internalFormat ),
+ _mesa_lookup_enum_by_nr( format ),
+ _mesa_lookup_enum_by_nr( type ));
+
+ if (!ctx->Unpack.ClientStorage)
+ return 0;
+
+ if (ctx->_ImageTransferState ||
+ texImage->IsCompressed ||
+ texObj->GenerateMipmap)
+ return 0;
+
+
+ /* This list is incomplete
+ */
+ switch ( internalFormat ) {
+ case GL_RGBA:
+ if ( format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV ) {
+ texImage->TexFormat = &_mesa_texformat_argb8888;
+ texelBytes = 4;
+ }
+ else
+ return 0;
+ break;
+
+ case GL_RGB:
+ if ( format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 ) {
+ texImage->TexFormat = &_mesa_texformat_rgb565;
+ texelBytes = 2;
+ }
+ else
+ return 0;
+ break;
+
+ case GL_YCBCR_MESA:
+ if ( format == GL_YCBCR_MESA &&
+ type == GL_UNSIGNED_SHORT_8_8_REV_APPLE ) {
+ texImage->TexFormat = &_mesa_texformat_ycbcr_rev;
+ texelBytes = 2;
+ }
+ else if ( format == GL_YCBCR_MESA &&
+ (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
+ type == GL_UNSIGNED_BYTE)) {
+ texImage->TexFormat = &_mesa_texformat_ycbcr;
+ texelBytes = 2;
+ }
+ else
+ return 0;
+ break;
+
+
+ default:
+ return 0;
+ }
+
+ /* Could deal with these packing issues, but currently don't:
+ */
+ if (packing->SkipPixels ||
+ packing->SkipRows ||
+ packing->SwapBytes ||
+ packing->LsbFirst) {
+ return 0;
+ }
+
+ {
+ GLint srcRowStride = _mesa_image_row_stride(packing, srcWidth,
+ format, type);
+
+
+ if (0)
+ fprintf(stderr, "%s: srcRowStride %d/%x\n",
+ __FUNCTION__, srcRowStride, srcRowStride);
+
+ /* Could check this later in upload, pitch restrictions could be
+ * relaxed, but would need to store the image pitch somewhere,
+ * as packing details might change before image is uploaded:
+ */
+ if (!intelIsAgpMemory( intel, pixels, srcHeight * srcRowStride ) ||
+ (srcRowStride & 63))
+ return 0;
+
+
+ /* Have validated that _mesa_transfer_teximage would be a straight
+ * memcpy at this point. NOTE: future calls to TexSubImage will
+ * overwrite the client data. This is explicitly mentioned in the
+ * extension spec.
+ */
+ texImage->Data = (void *)pixels;
+ texImage->IsClientData = GL_TRUE;
+ texImage->RowStride = srcRowStride / texelBytes;
+ return 1;
+ }
+}
+
+
+
+static void intelTexImage1D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+ assert(t);
+ intelFlush( ctx );
+ driSwapOutTextureObject( t );
+
+ texImage->IsClientData = GL_FALSE;
+
+ _mesa_store_teximage1d( ctx, target, level, internalFormat,
+ width, border, format, type,
+ pixels, packing, texObj, texImage );
+
+ t->dirty_images[0] |= (1 << level);
+}
+
+static void intelTexSubImage1D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset,
+ GLsizei width,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+ assert(t);
+ intelFlush( ctx );
+ driSwapOutTextureObject( t );
+
+ _mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
+ format, type, pixels, packing, texObj,
+ texImage);
+}
+
+
+/* Handles 2D, CUBE, RECT:
+ */
+static void intelTexImage2D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ driTextureObject * t = (driTextureObject *) texObj->DriverData;
+ GLuint face;
+
+ /* which cube face or ordinary 2D image */
+ switch (target) {
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ face = (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+ ASSERT(face < 6);
+ break;
+ default:
+ face = 0;
+ }
+
+ assert(t);
+ intelFlush( ctx );
+ driSwapOutTextureObject( t );
+ texImage->IsClientData = GL_FALSE;
+
+ if (intelValidateClientStorage( INTEL_CONTEXT(ctx), target,
+ internalFormat,
+ width, height,
+ format, type, pixels,
+ packing, texObj, texImage)) {
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "%s: Using client storage\n", __FUNCTION__);
+ }
+ else {
+ _mesa_store_teximage2d( ctx, target, level, internalFormat,
+ width, height, border, format, type,
+ pixels, packing, texObj, texImage );
+
+ t->dirty_images[face] |= (1 << level);
+ }
+}
+
+static void intelTexSubImage2D( GLcontext *ctx,
+ GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ driTextureObject * t = (driTextureObject *) texObj->DriverData;
+ GLuint face;
+
+ /* which cube face or ordinary 2D image */
+ switch (target) {
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ face = (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+ ASSERT(face < 6);
+ break;
+ default:
+ face = 0;
+ }
+
+ if (texImage->IsClientData &&
+ (char *)pixels == (char *)texImage->Data +
+ ((xoffset + yoffset * texImage->RowStride) *
+ texImage->TexFormat->TexelBytes)) {
+
+ /* Notification only - no upload required */
+ }
+ else {
+ assert( t ); /* this _should_ be true */
+ intelFlush( ctx );
+ driSwapOutTextureObject( t );
+
+ _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+ height, format, type, pixels, packing, texObj,
+ texImage);
+
+ t->dirty_images[face] |= (1 << level);
+ }
+}
+
+
+
+static void intelTexImage3D( GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+ assert(t);
+ driSwapOutTextureObject( t );
+ texImage->IsClientData = GL_FALSE;
+
+ _mesa_store_teximage3d(ctx, target, level, internalFormat,
+ width, height, depth, border,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
+
+ t->dirty_images[0] |= (1 << level);
+}
+
+
+static void
+intelTexSubImage3D( GLcontext *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLenum type,
+ const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage )
+{
+ driTextureObject * t = (driTextureObject *) texObj->DriverData;
+
+ assert( t ); /* this _should_ be true */
+ driSwapOutTextureObject( t );
+
+ _mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels, packing, texObj, texImage);
+
+ t->dirty_images[0] |= (1 << level);
+}
+
+
+
+
+static void intelDeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj )
+{
+ driTextureObject * t = (driTextureObject *) tObj->DriverData;
+
+ if ( t != NULL ) {
+ intelFlush( ctx );
+ driDestroyTextureObject( t );
+ }
+
+ /* Free mipmap images and the texture object itself */
+ _mesa_delete_texture_object(ctx, tObj);
+}
+
+
+static const struct gl_texture_format *
+intelChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+ GLenum format, GLenum type )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ const GLboolean do32bpt = ( intel->intelScreen->cpp == 4 &&
+ intel->intelScreen->textureSize > 4*1024*1024);
+
+ switch ( internalFormat ) {
+ case 4:
+ case GL_RGBA:
+ case GL_COMPRESSED_RGBA:
+ if ( format == GL_BGRA ) {
+ if ( type == GL_UNSIGNED_INT_8_8_8_8_REV ) {
+ return &_mesa_texformat_argb8888;
+ }
+ else if ( type == GL_UNSIGNED_SHORT_4_4_4_4_REV ) {
+ return &_mesa_texformat_argb4444;
+ }
+ else if ( type == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
+ return &_mesa_texformat_argb1555;
+ }
+ }
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+
+ case 3:
+ case GL_RGB:
+ case GL_COMPRESSED_RGB:
+ if ( format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5 ) {
+ return &_mesa_texformat_rgb565;
+ }
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
+
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444;
+
+ case GL_RGBA4:
+ case GL_RGBA2:
+ return &_mesa_texformat_argb4444;
+
+ case GL_RGB5_A1:
+ return &_mesa_texformat_argb1555;
+
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565;
+
+ case GL_RGB5:
+ case GL_RGB4:
+ case GL_R3_G3_B2:
+ return &_mesa_texformat_rgb565;
+
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ case GL_COMPRESSED_ALPHA:
+/* if (1 || intel->intelScreen->deviceID == PCI_CHIP_I915_G) */
+ return &_mesa_texformat_a8;
+/* else */
+/* return &_mesa_texformat_al88; */
+
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ case GL_COMPRESSED_LUMINANCE:
+ return &_mesa_texformat_l8;
+
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ return &_mesa_texformat_al88;
+
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ case GL_COMPRESSED_INTENSITY:
+ return &_mesa_texformat_i8;
+
+ case GL_YCBCR_MESA:
+ if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
+ type == GL_UNSIGNED_BYTE)
+ return &_mesa_texformat_ycbcr;
+ else
+ return &_mesa_texformat_ycbcr_rev;
+
+ default:
+ fprintf(stderr, "unexpected texture format in %s\n", __FUNCTION__);
+ return NULL;
+ }
+
+ return NULL; /* never get here */
+}
+
+
+
+void intelDestroyTexObj(intelContextPtr intel, intelTextureObjectPtr t)
+{
+ unsigned i;
+
+ if ( intel == NULL )
+ return;
+
+ if ( t->age > intel->dirtyAge )
+ intel->dirtyAge = t->age;
+
+ for ( i = 0 ; i < MAX_TEXTURE_UNITS ; i++ ) {
+ if ( t == intel->CurrentTexObj[ i ] )
+ intel->CurrentTexObj[ i ] = NULL;
+ }
+}
+
+
+
+/* Upload an image from mesa's internal copy. Image may be 1D, 2D or
+ * 3D. Cubemaps are expanded elsewhere.
+ */
+static void intelUploadTexImage( intelContextPtr intel,
+ intelTextureObjectPtr t,
+ const struct gl_texture_image *image,
+ const GLuint offset )
+{
+
+ if (!image || !image->Data)
+ return;
+
+ if (image->Depth == 1 && image->IsClientData) {
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "Blit uploading\n");
+
+ /* Do it with a blit.
+ */
+ intelEmitCopyBlitLocked( intel,
+ image->TexFormat->TexelBytes,
+ image->RowStride, /* ? */
+ intelGetMemoryOffsetMESA( NULL, 0, image->Data ),
+ t->Pitch / image->TexFormat->TexelBytes,
+ intelGetMemoryOffsetMESA( NULL, 0, t->BufAddr + offset ),
+ 0, 0,
+ 0, 0,
+ image->Width,
+ image->Height);
+ }
+ else {
+ GLuint row_len = image->Width * image->TexFormat->TexelBytes;
+ GLubyte *dst = (GLubyte *)(t->BufAddr + offset);
+ GLubyte *src = (GLubyte *)image->Data;
+ GLuint d, j;
+
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr,
+ "Upload image %dx%dx%d offset %xm row_len %x "
+ "pitch %x depth_pitch %x\n",
+ image->Width, image->Height, image->Depth, offset,
+ row_len, t->Pitch, t->depth_pitch);
+
+ if (row_len == t->Pitch) {
+ for (d = 0; d < image->Depth; d++) {
+ memcpy( dst, src, t->Pitch * image->Height );
+ dst += t->depth_pitch;
+ src += row_len * image->Height;
+ }
+ }
+ else {
+ for (d = 0 ; d < image->Depth ; d++) {
+ for (j = 0 ; j < image->Height ; j++) {
+ __memcpy(dst, src, row_len );
+ src += row_len;
+ dst += t->Pitch;
+ }
+
+ dst += t->depth_pitch - (t->Pitch * image->Height);
+ }
+ }
+ }
+}
+
+
+
+int intelUploadTexImages( intelContextPtr intel,
+ intelTextureObjectPtr t,
+ GLuint face)
+{
+ const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
+ const struct gl_texture_image *firstImage = t->image[face][t->base.firstLevel].image;
+ int pitch = firstImage->RowStride * firstImage->TexFormat->TexelBytes;
+
+ /* Can we texture out of the existing client data? */
+ if ( numLevels == 1 &&
+ firstImage->IsClientData &&
+ (pitch & 3) == 0) {
+
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "AGP texturing from client memory\n");
+
+ t->TextureOffset = intelAgpOffsetFromVirtual( intel, firstImage->Data );
+ t->BufAddr = 0;
+ t->dirty = ~0;
+ return GL_TRUE;
+ }
+ else {
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "Uploading client data to agp\n");
+
+ INTEL_FIREVERTICES( intel );
+ LOCK_HARDWARE( intel );
+
+ if ( t->base.memBlock == NULL ) {
+ int heap;
+
+ heap = driAllocateTexture( intel->texture_heaps, intel->nr_heaps,
+ (driTextureObject *) t );
+ if ( heap == -1 ) {
+ UNLOCK_HARDWARE( intel );
+ return GL_FALSE;
+ }
+
+ /* Set the base offset of the texture image */
+ t->BufAddr = intel->intelScreen->tex.map + t->base.memBlock->ofs;
+ t->TextureOffset = intel->intelScreen->textureOffset + t->base.memBlock->ofs;
+ t->dirty = ~0;
+ }
+
+
+ /* Let the world know we've used this memory recently.
+ */
+ driUpdateTextureLRU( (driTextureObject *) t );
+
+
+ /* Upload any images that are new */
+ if (t->base.dirty_images[face]) {
+ int i;
+
+ intelWaitForIdle( intel );
+
+ for (i = 0 ; i < numLevels ; i++) {
+ int level = i + t->base.firstLevel;
+
+ if (t->base.dirty_images[face] & (1<<level)) {
+
+ const struct gl_texture_image *image = t->image[face][i].image;
+ GLuint offset = t->image[face][i].offset;
+
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "upload level %d, offset %x\n",
+ level, offset);
+
+ intelUploadTexImage( intel, t, image, offset );
+ }
+ }
+ t->base.dirty_images[face] = 0;
+ intel->perf_boxes |= I830_BOX_TEXTURE_LOAD;
+ }
+
+ UNLOCK_HARDWARE( intel );
+ return GL_TRUE;
+ }
+}
+
+/**
+ * Allocate a new texture object.
+ * Called via ctx->Driver.NewTextureObject.
+ * Note: this function will be called during context creation to
+ * allocate the default texture objects.
+ * Note: we could use containment here to 'derive' the driver-specific
+ * texture object from the core mesa gl_texture_object. Not done at this time.
+ */
+static struct gl_texture_object *
+intelNewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
+{
+ struct gl_texture_object *obj = _mesa_new_texture_object(ctx, name, target);
+ INTEL_CONTEXT(ctx)->vtbl.alloc_tex_obj( obj );
+ return obj;
+}
+
+
+void intelInitTextureFuncs( struct dd_function_table *functions )
+{
+ functions->NewTextureObject = intelNewTextureObject;
+ functions->ChooseTextureFormat = intelChooseTextureFormat;
+ functions->TexImage1D = intelTexImage1D;
+ functions->TexImage2D = intelTexImage2D;
+ functions->TexImage3D = intelTexImage3D;
+ functions->TexSubImage1D = intelTexSubImage1D;
+ functions->TexSubImage2D = intelTexSubImage2D;
+ functions->TexSubImage3D = intelTexSubImage3D;
+ functions->CopyTexImage1D = _swrast_copy_teximage1d;
+ functions->CopyTexImage2D = _swrast_copy_teximage2d;
+ functions->CopyTexSubImage1D = _swrast_copy_texsubimage1d;
+ functions->CopyTexSubImage2D = _swrast_copy_texsubimage2d;
+ functions->CopyTexSubImage3D = _swrast_copy_texsubimage3d;
+ functions->DeleteTexture = intelDeleteTexture;
+ functions->UpdateTexturePalette = NULL;
+ functions->IsTextureResident = driIsTextureResident;
+ functions->TestProxyTexImage = _mesa_test_proxy_teximage;
+ functions->DeleteTexture = intelDeleteTexture;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef INTELTEX_INC
+#define INTELTEX_INC
+
+#include "mtypes.h"
+#include "intel_context.h"
+#include "texmem.h"
+
+
+void intelInitTextureFuncs( struct dd_function_table *functions );
+
+void intelDestroyTexObj( intelContextPtr intel, intelTextureObjectPtr t );
+int intelUploadTexImages( intelContextPtr intel, intelTextureObjectPtr t,
+ GLuint face );
+
+#endif
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "enums.h"
+#include "dd.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+#include "tnl/t_vertex.h"
+
+#include "intel_screen.h"
+#include "intel_tris.h"
+#include "intel_batchbuffer.h"
+#include "intel_reg.h"
+#include "intel_span.h"
+
+static void intelRenderPrimitive( GLcontext *ctx, GLenum prim );
+static void intelRasterPrimitive( GLcontext *ctx, GLenum rprim, GLuint hwprim );
+
+/***********************************************************************
+ * Emit primitives as inline vertices *
+ ***********************************************************************/
+
+#if 1
+#define COPY_DWORDS( j, vb, vertsize, v ) \
+do { \
+ int __tmp; \
+ __asm__ __volatile__( "rep ; movsl" \
+ : "=%c" (j), "=D" (vb), "=S" (__tmp) \
+ : "0" (vertsize), \
+ "D" ((long)vb), \
+ "S" ((long)v) ); \
+} while (0)
+#else
+#define COPY_DWORDS( j, vb, vertsize, v ) \
+do { \
+ if (1) fprintf(stderr, "\n"); \
+ for ( j = 0 ; j < vertsize ; j++ ) { \
+ if (1) fprintf(stderr, " -- v(%d): %x/%f\n",j, \
+ ((GLuint *)v)[j], \
+ ((GLfloat *)v)[j]); \
+ vb[j] = ((GLuint *)v)[j]; \
+ } \
+ vb += vertsize; \
+} while (0)
+#endif
+
+static void __inline__ intel_draw_quad( intelContextPtr intel,
+ intelVertexPtr v0,
+ intelVertexPtr v1,
+ intelVertexPtr v2,
+ intelVertexPtr v3 )
+{
+ GLuint vertsize = intel->vertex_size;
+ GLuint *vb = intelExtendInlinePrimitive( intel, 6 * vertsize );
+ int j;
+
+ COPY_DWORDS( j, vb, vertsize, v0 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+ COPY_DWORDS( j, vb, vertsize, v3 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+ COPY_DWORDS( j, vb, vertsize, v2 );
+ COPY_DWORDS( j, vb, vertsize, v3 );
+}
+
+static void __inline__ intel_draw_triangle( intelContextPtr intel,
+ intelVertexPtr v0,
+ intelVertexPtr v1,
+ intelVertexPtr v2 )
+{
+ GLuint vertsize = intel->vertex_size;
+ GLuint *vb = intelExtendInlinePrimitive( intel, 3 * vertsize );
+ int j;
+
+ COPY_DWORDS( j, vb, vertsize, v0 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+ COPY_DWORDS( j, vb, vertsize, v2 );
+}
+
+
+static __inline__ void intel_draw_line( intelContextPtr intel,
+ intelVertexPtr v0,
+ intelVertexPtr v1 )
+{
+ GLuint vertsize = intel->vertex_size;
+ GLuint *vb = intelExtendInlinePrimitive( intel, 2 * vertsize );
+ int j;
+
+ COPY_DWORDS( j, vb, vertsize, v0 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+}
+
+
+static __inline__ void intel_draw_point( intelContextPtr intel,
+ intelVertexPtr v0 )
+{
+ GLuint vertsize = intel->vertex_size;
+ GLuint *vb = intelExtendInlinePrimitive( intel, vertsize );
+ int j;
+
+ /* Adjust for sub pixel position -- still required for conform. */
+ *(float *)&vb[0] = v0->v.x - 0.125;
+ *(float *)&vb[1] = v0->v.y - 0.125;
+ for (j = 2 ; j < vertsize ; j++)
+ vb[j] = v0->ui[j];
+}
+
+
+
+/***********************************************************************
+ * Fixup for ARB_point_parameters *
+ ***********************************************************************/
+
+static void intel_atten_point( intelContextPtr intel, intelVertexPtr v0 )
+{
+ GLcontext *ctx = &intel->ctx;
+ GLfloat psz[4], col[4], restore_psz, restore_alpha;
+
+ _tnl_get_attr( ctx, v0, _TNL_ATTRIB_POINTSIZE, psz );
+ _tnl_get_attr( ctx, v0, _TNL_ATTRIB_COLOR0, col );
+
+ restore_psz = psz[0];
+ restore_alpha = col[3];
+
+ if (psz[0] >= ctx->Point.Threshold) {
+ psz[0] = MIN2(psz[0], ctx->Point.MaxSize);
+ }
+ else {
+ GLfloat dsize = psz[0] / ctx->Point.Threshold;
+ psz[0] = MAX2(ctx->Point.Threshold, ctx->Point.MinSize);
+ col[3] *= dsize * dsize;
+ }
+
+ if (psz[0] < 1.0)
+ psz[0] = 1.0;
+
+ if (restore_psz != psz[0] || restore_alpha != col[3]) {
+ _tnl_set_attr( ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
+ _tnl_set_attr( ctx, v0, _TNL_ATTRIB_COLOR0, col);
+
+ intel_draw_point( intel, v0 );
+
+ psz[0] = restore_psz;
+ col[3] = restore_alpha;
+
+ _tnl_set_attr( ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
+ _tnl_set_attr( ctx, v0, _TNL_ATTRIB_COLOR0, col);
+ }
+ else
+ intel_draw_point( intel, v0 );
+}
+
+
+
+
+
+/***********************************************************************
+ * Fixup for I915 WPOS texture coordinate *
+ ***********************************************************************/
+
+
+
+static void intel_wpos_triangle( intelContextPtr intel,
+ intelVertexPtr v0,
+ intelVertexPtr v1,
+ intelVertexPtr v2 )
+{
+ GLuint offset = intel->wpos_offset;
+ GLuint size = intel->wpos_size;
+
+ __memcpy( ((char *)v0) + offset, v0, size );
+ __memcpy( ((char *)v1) + offset, v1, size );
+ __memcpy( ((char *)v2) + offset, v2, size );
+
+ intel_draw_triangle( intel, v0, v1, v2 );
+}
+
+
+static void intel_wpos_line( intelContextPtr intel,
+ intelVertexPtr v0,
+ intelVertexPtr v1 )
+{
+ GLuint offset = intel->wpos_offset;
+ GLuint size = intel->wpos_size;
+
+ __memcpy( ((char *)v0) + offset, v0, size );
+ __memcpy( ((char *)v1) + offset, v1, size );
+
+ intel_draw_line( intel, v0, v1 );
+}
+
+
+static void intel_wpos_point( intelContextPtr intel,
+ intelVertexPtr v0 )
+{
+ GLuint offset = intel->wpos_offset;
+ GLuint size = intel->wpos_size;
+
+ __memcpy( ((char *)v0) + offset, v0, size );
+
+ intel_draw_point( intel, v0 );
+}
+
+
+
+
+
+
+/***********************************************************************
+ * Macros for t_dd_tritmp.h to draw basic primitives *
+ ***********************************************************************/
+
+#define TRI( a, b, c ) \
+do { \
+ if (DO_FALLBACK) \
+ intel->draw_tri( intel, a, b, c ); \
+ else \
+ intel_draw_triangle( intel, a, b, c ); \
+} while (0)
+
+#define QUAD( a, b, c, d ) \
+do { \
+ if (DO_FALLBACK) { \
+ intel->draw_tri( intel, a, b, d ); \
+ intel->draw_tri( intel, b, c, d ); \
+ } else \
+ intel_draw_quad( intel, a, b, c, d ); \
+} while (0)
+
+#define LINE( v0, v1 ) \
+do { \
+ if (DO_FALLBACK) \
+ intel->draw_line( intel, v0, v1 ); \
+ else \
+ intel_draw_line( intel, v0, v1 ); \
+} while (0)
+
+#define POINT( v0 ) \
+do { \
+ if (DO_FALLBACK) \
+ intel->draw_point( intel, v0 ); \
+ else \
+ intel_draw_point( intel, v0 ); \
+} while (0)
+
+
+/***********************************************************************
+ * Build render functions from dd templates *
+ ***********************************************************************/
+
+#define INTEL_OFFSET_BIT 0x01
+#define INTEL_TWOSIDE_BIT 0x02
+#define INTEL_UNFILLED_BIT 0x04
+#define INTEL_FALLBACK_BIT 0x08
+#define INTEL_MAX_TRIFUNC 0x10
+
+
+static struct {
+ points_func points;
+ line_func line;
+ triangle_func triangle;
+ quad_func quad;
+} rast_tab[INTEL_MAX_TRIFUNC];
+
+
+#define DO_FALLBACK (IND & INTEL_FALLBACK_BIT)
+#define DO_OFFSET (IND & INTEL_OFFSET_BIT)
+#define DO_UNFILLED (IND & INTEL_UNFILLED_BIT)
+#define DO_TWOSIDE (IND & INTEL_TWOSIDE_BIT)
+#define DO_FLAT 0
+#define DO_TRI 1
+#define DO_QUAD 1
+#define DO_LINE 1
+#define DO_POINTS 1
+#define DO_FULL_QUAD 1
+
+#define HAVE_RGBA 1
+#define HAVE_SPEC 1
+#define HAVE_BACK_COLORS 0
+#define HAVE_HW_FLATSHADE 1
+#define VERTEX intelVertex
+#define TAB rast_tab
+
+/* Only used to pull back colors into vertices (ie, we know color is
+ * floating point).
+ */
+#define INTEL_COLOR( dst, src ) \
+do { \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[3], (src)[3]); \
+} while (0)
+
+#define INTEL_SPEC( dst, src ) \
+do { \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]); \
+ UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]); \
+} while (0)
+
+
+#define DEPTH_SCALE intel->polygon_offset_scale
+#define UNFILLED_TRI unfilled_tri
+#define UNFILLED_QUAD unfilled_quad
+#define VERT_X(_v) _v->v.x
+#define VERT_Y(_v) _v->v.y
+#define VERT_Z(_v) _v->v.z
+#define AREA_IS_CCW( a ) (a > 0)
+#define GET_VERTEX(e) (intel->verts + (e * intel->vertex_size * sizeof(GLuint)))
+
+#define VERT_SET_RGBA( v, c ) if (coloroffset) INTEL_COLOR( v->ub4[coloroffset], c )
+#define VERT_COPY_RGBA( v0, v1 ) if (coloroffset) v0->ui[coloroffset] = v1->ui[coloroffset]
+#define VERT_SAVE_RGBA( idx ) if (coloroffset) color[idx] = v[idx]->ui[coloroffset]
+#define VERT_RESTORE_RGBA( idx ) if (coloroffset) v[idx]->ui[coloroffset] = color[idx]
+
+#define VERT_SET_SPEC( v, c ) if (specoffset) INTEL_SPEC( v->ub4[specoffset], c )
+#define VERT_COPY_SPEC( v0, v1 ) if (specoffset) COPY_3V(v0->ub4[specoffset], v1->ub4[specoffset])
+#define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
+#define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
+
+#define LOCAL_VARS(n) \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ GLuint color[n], spec[n]; \
+ GLuint coloroffset = intel->coloroffset; \
+ GLboolean specoffset = intel->specoffset; \
+ (void) color; (void) spec; (void) coloroffset; (void) specoffset;
+
+
+/***********************************************************************
+ * Helpers for rendering unfilled primitives *
+ ***********************************************************************/
+
+static const GLuint hw_prim[GL_POLYGON+1] = {
+ PRIM3D_POINTLIST,
+ PRIM3D_LINELIST,
+ PRIM3D_LINELIST,
+ PRIM3D_LINELIST,
+ PRIM3D_TRILIST,
+ PRIM3D_TRILIST,
+ PRIM3D_TRILIST,
+ PRIM3D_TRILIST,
+ PRIM3D_TRILIST,
+ PRIM3D_TRILIST
+};
+
+#define RASTERIZE(x) intelRasterPrimitive( ctx, x, hw_prim[x] )
+#define RENDER_PRIMITIVE intel->render_primitive
+#define TAG(x) x
+#define IND INTEL_FALLBACK_BIT
+#include "tnl_dd/t_dd_unfilled.h"
+#undef IND
+
+/***********************************************************************
+ * Generate GL render functions *
+ ***********************************************************************/
+
+#define IND (0)
+#define TAG(x) x
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_OFFSET_BIT)
+#define TAG(x) x##_offset
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT)
+#define TAG(x) x##_twoside
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT)
+#define TAG(x) x##_twoside_offset
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_UNFILLED_BIT)
+#define TAG(x) x##_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT)
+#define TAG(x) x##_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_UNFILLED_BIT)
+#define TAG(x) x##_twoside_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT)
+#define TAG(x) x##_twoside_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_FALLBACK_BIT)
+#define TAG(x) x##_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_OFFSET_BIT|INTEL_FALLBACK_BIT)
+#define TAG(x) x##_offset_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_FALLBACK_BIT)
+#define TAG(x) x##_twoside_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT|INTEL_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_UNFILLED_BIT|INTEL_FALLBACK_BIT)
+#define TAG(x) x##_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT|INTEL_FALLBACK_BIT)
+#define TAG(x) x##_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_UNFILLED_BIT|INTEL_FALLBACK_BIT)
+#define TAG(x) x##_twoside_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT| \
+ INTEL_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+
+static void init_rast_tab( void )
+{
+ init();
+ init_offset();
+ init_twoside();
+ init_twoside_offset();
+ init_unfilled();
+ init_offset_unfilled();
+ init_twoside_unfilled();
+ init_twoside_offset_unfilled();
+ init_fallback();
+ init_offset_fallback();
+ init_twoside_fallback();
+ init_twoside_offset_fallback();
+ init_unfilled_fallback();
+ init_offset_unfilled_fallback();
+ init_twoside_unfilled_fallback();
+ init_twoside_offset_unfilled_fallback();
+}
+
+
+/***********************************************************************
+ * Rasterization fallback helpers *
+ ***********************************************************************/
+
+
+/* This code is hit only when a mix of accelerated and unaccelerated
+ * primitives are being drawn, and only for the unaccelerated
+ * primitives.
+ */
+static void
+intel_fallback_tri( intelContextPtr intel,
+ intelVertex *v0,
+ intelVertex *v1,
+ intelVertex *v2 )
+{
+ GLcontext *ctx = &intel->ctx;
+ SWvertex v[3];
+
+ if (0)
+ fprintf(stderr, "\n%s\n", __FUNCTION__);
+
+ _swsetup_Translate( ctx, v0, &v[0] );
+ _swsetup_Translate( ctx, v1, &v[1] );
+ _swsetup_Translate( ctx, v2, &v[2] );
+ intelSpanRenderStart( ctx );
+ _swrast_Triangle( ctx, &v[0], &v[1], &v[2] );
+ intelSpanRenderFinish( ctx );
+}
+
+
+static void
+intel_fallback_line( intelContextPtr intel,
+ intelVertex *v0,
+ intelVertex *v1 )
+{
+ GLcontext *ctx = &intel->ctx;
+ SWvertex v[2];
+
+ if (0)
+ fprintf(stderr, "\n%s\n", __FUNCTION__);
+
+ _swsetup_Translate( ctx, v0, &v[0] );
+ _swsetup_Translate( ctx, v1, &v[1] );
+ intelSpanRenderStart( ctx );
+ _swrast_Line( ctx, &v[0], &v[1] );
+ intelSpanRenderFinish( ctx );
+}
+
+
+static void
+intel_fallback_point( intelContextPtr intel,
+ intelVertex *v0 )
+{
+ GLcontext *ctx = &intel->ctx;
+ SWvertex v[1];
+
+ if (0)
+ fprintf(stderr, "\n%s\n", __FUNCTION__);
+
+ _swsetup_Translate( ctx, v0, &v[0] );
+ intelSpanRenderStart( ctx );
+ _swrast_Point( ctx, &v[0] );
+ intelSpanRenderFinish( ctx );
+}
+
+
+
+/**********************************************************************/
+/* Render unclipped begin/end objects */
+/**********************************************************************/
+
+#define IND 0
+#define V(x) (intelVertex *)(vertptr + ((x)*vertsize*sizeof(GLuint)))
+#define RENDER_POINTS( start, count ) \
+ for ( ; start < count ; start++) POINT( V(ELT(start)) );
+#define RENDER_LINE( v0, v1 ) LINE( V(v0), V(v1) )
+#define RENDER_TRI( v0, v1, v2 ) TRI( V(v0), V(v1), V(v2) )
+#define RENDER_QUAD( v0, v1, v2, v3 ) QUAD( V(v0), V(v1), V(v2), V(v3) )
+#define INIT(x) intelRenderPrimitive( ctx, x )
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ intelContextPtr intel = INTEL_CONTEXT(ctx); \
+ GLubyte *vertptr = (GLubyte *)intel->verts; \
+ const GLuint vertsize = intel->vertex_size; \
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
+ (void) elt;
+#define RESET_STIPPLE
+#define RESET_OCCLUSION
+#define PRESERVE_VB_DEFS
+#define ELT(x) x
+#define TAG(x) intel_##x##_verts
+#include "tnl/t_vb_rendertmp.h"
+#undef ELT
+#undef TAG
+#define TAG(x) intel_##x##_elts
+#define ELT(x) elt[x]
+#include "tnl/t_vb_rendertmp.h"
+
+/**********************************************************************/
+/* Render clipped primitives */
+/**********************************************************************/
+
+
+
+static void intelRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
+ GLuint n )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ GLuint prim = intel->render_primitive;
+
+ /* Render the new vertices as an unclipped polygon.
+ */
+ {
+ GLuint *tmp = VB->Elts;
+ VB->Elts = (GLuint *)elts;
+ tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n,
+ PRIM_BEGIN|PRIM_END );
+ VB->Elts = tmp;
+ }
+
+ /* Restore the render primitive
+ */
+ if (prim != GL_POLYGON)
+ tnl->Driver.Render.PrimitiveNotify( ctx, prim );
+}
+
+static void intelRenderClippedLine( GLcontext *ctx, GLuint ii, GLuint jj )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ tnl->Driver.Render.Line( ctx, ii, jj );
+}
+
+static void intelFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
+ GLuint n )
+{
+ intelContextPtr intel = INTEL_CONTEXT( ctx );
+ const GLuint vertsize = intel->vertex_size;
+ GLuint *vb = intelExtendInlinePrimitive( intel, (n-2) * 3 * vertsize );
+ GLubyte *vertptr = (GLubyte *)intel->verts;
+ const GLuint *start = (const GLuint *)V(elts[0]);
+ int i,j;
+
+ for (i = 2 ; i < n ; i++) {
+ COPY_DWORDS( j, vb, vertsize, V(elts[i-1]) );
+ COPY_DWORDS( j, vb, vertsize, V(elts[i]) );
+ COPY_DWORDS( j, vb, vertsize, start );
+ }
+}
+
+/**********************************************************************/
+/* Choose render functions */
+/**********************************************************************/
+
+
+
+
+#define POINT_FALLBACK (0)
+#define LINE_FALLBACK (DD_LINE_STIPPLE)
+#define TRI_FALLBACK (0)
+#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK|\
+ DD_TRI_STIPPLE|DD_POINT_ATTEN)
+#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED)
+
+void intelChooseRenderState(GLcontext *ctx)
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+ GLuint flags = ctx->_TriangleCaps;
+ struct fragment_program *program = ctx->FragmentProgram.Current;
+ GLboolean have_wpos = (program && (program->InputsRead & FRAG_BIT_WPOS));
+ GLuint index = 0;
+
+ if (INTEL_DEBUG & DEBUG_STATE)
+ fprintf(stderr,"\n%s\n",__FUNCTION__);
+
+ if ((flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) || have_wpos) {
+
+ if (flags & ANY_RASTER_FLAGS) {
+ if (flags & DD_TRI_LIGHT_TWOSIDE) index |= INTEL_TWOSIDE_BIT;
+ if (flags & DD_TRI_OFFSET) index |= INTEL_OFFSET_BIT;
+ if (flags & DD_TRI_UNFILLED) index |= INTEL_UNFILLED_BIT;
+ }
+
+ if (have_wpos) {
+ intel->draw_point = intel_wpos_point;
+ intel->draw_line = intel_wpos_line;
+ intel->draw_tri = intel_wpos_triangle;
+
+ /* Make sure these get called:
+ */
+ index |= INTEL_FALLBACK_BIT;
+ }
+ else {
+ intel->draw_point = intel_draw_point;
+ intel->draw_line = intel_draw_line;
+ intel->draw_tri = intel_draw_triangle;
+ }
+
+ /* Hook in fallbacks for specific primitives.
+ */
+ if (flags & ANY_FALLBACK_FLAGS)
+ {
+ if (flags & POINT_FALLBACK)
+ intel->draw_point = intel_fallback_point;
+
+ if (flags & LINE_FALLBACK)
+ intel->draw_line = intel_fallback_line;
+
+ if (flags & TRI_FALLBACK)
+ intel->draw_tri = intel_fallback_tri;
+
+ if ((flags & DD_TRI_STIPPLE) && !intel->hw_stipple)
+ intel->draw_tri = intel_fallback_tri;
+
+ if (flags & DD_POINT_ATTEN)
+ intel->draw_point = intel_atten_point;
+
+ index |= INTEL_FALLBACK_BIT;
+ }
+ }
+
+ if (intel->RenderIndex != index) {
+ intel->RenderIndex = index;
+
+ tnl->Driver.Render.Points = rast_tab[index].points;
+ tnl->Driver.Render.Line = rast_tab[index].line;
+ tnl->Driver.Render.Triangle = rast_tab[index].triangle;
+ tnl->Driver.Render.Quad = rast_tab[index].quad;
+
+ if (index == 0) {
+ tnl->Driver.Render.PrimTabVerts = intel_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = intel_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = line; /* from tritmp.h */
+ tnl->Driver.Render.ClippedPolygon = intelFastRenderClippedPoly;
+ } else {
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = intelRenderClippedLine;
+ tnl->Driver.Render.ClippedPolygon = intelRenderClippedPoly;
+ }
+ }
+}
+
+static const GLenum reduced_prim[GL_POLYGON+1] = {
+ GL_POINTS,
+ GL_LINES,
+ GL_LINES,
+ GL_LINES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES,
+ GL_TRIANGLES
+};
+
+
+/**********************************************************************/
+/* High level hooks for t_vb_render.c */
+/**********************************************************************/
+
+
+
+
+static void intelRunPipeline( GLcontext *ctx )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ if (intel->NewGLState) {
+ if (intel->NewGLState & _NEW_TEXTURE) {
+ intel->vtbl.update_texture_state( intel );
+ }
+
+ if (!intel->Fallback) {
+ if (intel->NewGLState & _INTEL_NEW_RENDERSTATE)
+ intelChooseRenderState( ctx );
+ }
+
+ intel->NewGLState = 0;
+ }
+
+ _tnl_run_pipeline( ctx );
+}
+
+static void intelRenderStart( GLcontext *ctx )
+{
+ INTEL_CONTEXT(ctx)->vtbl.render_start( INTEL_CONTEXT(ctx) );
+}
+
+static void intelRenderFinish( GLcontext *ctx )
+{
+ if (INTEL_CONTEXT(ctx)->RenderIndex & INTEL_FALLBACK_BIT)
+ _swrast_flush( ctx );
+}
+
+
+
+
+ /* System to flush dma and emit state changes based on the rasterized
+ * primitive.
+ */
+static void intelRasterPrimitive( GLcontext *ctx, GLenum rprim, GLuint hwprim )
+{
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ if (0)
+ fprintf(stderr, "%s %s %x\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr(rprim), hwprim);
+
+ intel->vtbl.reduced_primitive_state( intel, rprim );
+
+ /* Start a new primitive. Arrange to have it flushed later on.
+ */
+ if (hwprim != intel->prim.primitive)
+ intelStartInlinePrimitive( intel, hwprim );
+}
+
+
+ /*
+ */
+ static void intelRenderPrimitive( GLcontext *ctx, GLenum prim )
+ {
+ intelContextPtr intel = INTEL_CONTEXT(ctx);
+
+ if (0)
+ fprintf(stderr, "%s %s\n", __FUNCTION__, _mesa_lookup_enum_by_nr(prim));
+
+ /* Let some clipping routines know which primitive they're dealing
+ * with.
+ */
+ intel->render_primitive = prim;
+
+ /* Shortcircuit this when called from t_dd_rendertmp.h for unfilled
+ * triangles. The rasterized primitive will always be reset by
+ * lower level functions in that case, potentially pingponging the
+ * state:
+ */
+ if (reduced_prim[prim] == GL_TRIANGLES &&
+ (ctx->_TriangleCaps & DD_TRI_UNFILLED))
+ return;
+
+ /* Set some primitive-dependent state and Start? a new primitive.
+ */
+ intelRasterPrimitive( ctx, reduced_prim[prim], hw_prim[prim] );
+ }
+
+
+ /**********************************************************************/
+ /* Transition to/from hardware rasterization. */
+ /**********************************************************************/
+
+ static char *fallbackStrings[] = {
+ "Texture",
+ "Draw buffer",
+ "Read buffer",
+ "Color mask",
+ "Render mode",
+ "Stencil",
+ "Stipple",
+ "User disable"
+ };
+
+
+ static char *getFallbackString(GLuint bit)
+ {
+ int i = 0;
+ while (bit > 1) {
+ i++;
+ bit >>= 1;
+ }
+ return fallbackStrings[i];
+ }
+
+
+
+ void intelFallback( intelContextPtr intel, GLuint bit, GLboolean mode )
+ {
+ GLcontext *ctx = &intel->ctx;
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ GLuint oldfallback = intel->Fallback;
+
+ if (mode) {
+ intel->Fallback |= bit;
+ if (oldfallback == 0) {
+ intelFlush(ctx);
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "ENTER FALLBACK %x: %s\n",
+ bit, getFallbackString( bit ));
+ _swsetup_Wakeup( ctx );
+ intel->RenderIndex = ~0;
+ }
+ }
+ else {
+ intel->Fallback &= ~bit;
+ if (oldfallback == bit) {
+ _swrast_flush( ctx );
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "LEAVE FALLBACK %s\n", getFallbackString( bit ));
+ tnl->Driver.Render.Start = intelRenderStart;
+ tnl->Driver.Render.PrimitiveNotify = intelRenderPrimitive;
+ tnl->Driver.Render.Finish = intelRenderFinish;
+ tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
+ tnl->Driver.Render.CopyPV = _tnl_copy_pv;
+ tnl->Driver.Render.Interp = _tnl_interp;
+
+ _tnl_invalidate_vertex_state( ctx, ~0 );
+ _tnl_invalidate_vertices( ctx, ~0 );
+ _tnl_install_attrs( ctx,
+ intel->vertex_attrs,
+ intel->vertex_attr_count,
+ intel->ViewportMatrix.m, 0 );
+
+ intel->NewGLState |= _INTEL_NEW_RENDERSTATE;
+ }
+ }
+ }
+
+
+
+
+/**********************************************************************/
+/* Initialization. */
+/**********************************************************************/
+
+
+void intelInitTriFuncs( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ static int firsttime = 1;
+
+ if (firsttime) {
+ init_rast_tab();
+ firsttime = 0;
+ }
+
+ tnl->Driver.RunPipeline = intelRunPipeline;
+ tnl->Driver.Render.Start = intelRenderStart;
+ tnl->Driver.Render.Finish = intelRenderFinish;
+ tnl->Driver.Render.PrimitiveNotify = intelRenderPrimitive;
+ tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
+ tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
+ tnl->Driver.Render.CopyPV = _tnl_copy_pv;
+ tnl->Driver.Render.Interp = _tnl_interp;
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ **************************************************************************/
+
+#ifndef INTELTRIS_INC
+#define INTELTRIS_INC
+
+#include "mtypes.h"
+
+#define _INTEL_NEW_RENDERSTATE (_DD_NEW_LINE_STIPPLE | \
+ _DD_NEW_TRI_UNFILLED | \
+ _DD_NEW_TRI_LIGHT_TWOSIDE | \
+ _DD_NEW_TRI_OFFSET | \
+ _DD_NEW_TRI_STIPPLE | \
+ _NEW_PROGRAM | \
+ _NEW_POLYGONSTIPPLE)
+
+extern void intelInitTriFuncs( GLcontext *ctx );
+
+extern void intelPrintRenderState( const char *msg, GLuint state );
+extern void intelChooseRenderState( GLcontext *ctx );
+
+#endif
--- /dev/null
+/**************************************************************************
+
+Copyright 2001 VA Linux Systems Inc., Fremont, California.
+Copyright 2002 Tungsten Graphics Inc., Cedar Park, Texas.
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i830_common.h,v 1.1 2002/09/11 00:29:32 dawes Exp $ */
+
+#ifndef _I830_COMMON_H_
+#define _I830_COMMON_H_
+
+
+#define I830_NR_TEX_REGIONS 255 /* maximum due to use of chars for next/prev */
+#define I830_LOG_MIN_TEX_REGION_SIZE 14
+
+
+/* Driver specific DRM command indices
+ * NOTE: these are not OS specific, but they are driver specific
+ */
+#define DRM_I830_INIT 0x00
+#define DRM_I830_FLUSH 0x01
+#define DRM_I830_FLIP 0x02
+#define DRM_I830_BATCHBUFFER 0x03
+#define DRM_I830_IRQ_EMIT 0x04
+#define DRM_I830_IRQ_WAIT 0x05
+#define DRM_I830_GETPARAM 0x06
+#define DRM_I830_SETPARAM 0x07
+#define DRM_I830_ALLOC 0x08
+#define DRM_I830_FREE 0x09
+#define DRM_I830_INIT_HEAP 0x0a
+#define DRM_I830_CMDBUFFER 0x0b
+
+typedef struct {
+ enum {
+ I830_INIT_DMA = 0x01,
+ I830_CLEANUP_DMA = 0x02,
+ I830_RESUME_DMA = 0x03
+ } func;
+ unsigned int mmio_offset;
+ int sarea_priv_offset;
+ unsigned int ring_start;
+ unsigned int ring_end;
+ unsigned int ring_size;
+ unsigned int front_offset;
+ unsigned int back_offset;
+ unsigned int depth_offset;
+ unsigned int w;
+ unsigned int h;
+ unsigned int pitch;
+ unsigned int pitch_bits;
+ unsigned int back_pitch;
+ unsigned int depth_pitch;
+ unsigned int cpp;
+ unsigned int chipset;
+} drmI830Init;
+
+typedef struct {
+ drmTextureRegion texList[I830_NR_TEX_REGIONS+1];
+ int last_upload; /* last time texture was uploaded */
+ int last_enqueue; /* last time a buffer was enqueued */
+ int last_dispatch; /* age of the most recently dispatched buffer */
+ int ctxOwner; /* last context to upload state */
+ int texAge;
+ int pf_enabled; /* is pageflipping allowed? */
+ int pf_active;
+ int pf_current_page; /* which buffer is being displayed? */
+ int perf_boxes; /* performance boxes to be displayed */
+} drmI830Sarea;
+
+/* Flags for perf_boxes
+ */
+#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */
+#define I830_BOX_FLIP 0x2 /* populated by kernel */
+#define I830_BOX_WAIT 0x4 /* populated by kernel & client */
+#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */
+#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */
+
+
+typedef struct {
+ int start; /* agp offset */
+ int used; /* nr bytes in use */
+ int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
+ int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/
+ int num_cliprects; /* mulitpass with multiple cliprects? */
+ drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */
+} drmI830BatchBuffer;
+
+typedef struct {
+ char *buf; /* agp offset */
+ int sz; /* nr bytes in use */
+ int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
+ int DR4; /* window origin for GFX_OP_DRAWRECT_INFO*/
+ int num_cliprects; /* mulitpass with multiple cliprects? */
+ drm_clip_rect_t *cliprects; /* pointer to userspace cliprects */
+} drmI830CmdBuffer;
+
+
+typedef struct {
+ int *irq_seq;
+} drmI830IrqEmit;
+
+typedef struct {
+ int irq_seq;
+} drmI830IrqWait;
+
+typedef struct {
+ int param;
+ int *value;
+} drmI830GetParam;
+
+#define I830_PARAM_IRQ_ACTIVE 1
+#define I830_PARAM_ALLOW_BATCHBUFFER 2
+
+typedef struct {
+ int param;
+ int value;
+} drmI830SetParam;
+
+#define I830_SETPARAM_USE_MI_BATCHBUFFER_START 1
+#define I830_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
+#define I830_SETPARAM_ALLOW_BATCHBUFFER 3
+
+
+/* A memory manager for regions of shared memory:
+ */
+#define I830_MEM_REGION_AGP 1
+
+typedef struct {
+ int region;
+ int alignment;
+ int size;
+ int *region_offset; /* offset from start of fb or agp */
+} drmI830MemAlloc;
+
+typedef struct {
+ int region;
+ int region_offset;
+} drmI830MemFree;
+
+typedef struct {
+ int region;
+ int size;
+ int start;
+} drmI830MemInitHeap;
+
+
+#endif /* _I830_DRM_H_ */
--- /dev/null
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i830_dri.h,v 1.4 2002/10/30 12:52:18 alanh Exp $ */
+
+#ifndef _I830_DRI_H
+#define _I830_DRI_H
+
+#include "xf86drm.h"
+#include "i830_common.h"
+
+#define I830_MAX_DRAWABLES 256
+
+#define I830_MAJOR_VERSION 1
+#define I830_MINOR_VERSION 3
+#define I830_PATCHLEVEL 0
+
+#define I830_REG_SIZE 0x80000
+
+/* Note: This structure has changed slightly from what is expected by
+ * the i830_drv.o driver. Maybe that should be reverted.
+ */
+typedef struct _I830DRIRec {
+ drm_handle_t regs;
+ drmSize regsSize;
+ drmAddress regsMap;
+
+ drmSize backbufferSize;
+ drm_handle_t backbuffer;
+
+ drmSize depthbufferSize;
+ drm_handle_t depthbuffer;
+
+ drm_handle_t textures;
+ int textureSize;
+
+ drm_handle_t agp_buffers;
+ drmSize agp_buf_size;
+
+ int deviceID;
+ int width;
+ int height;
+ int mem;
+ int cpp;
+ int bitsPerPixel;
+ int fbOffset;
+ int fbStride;
+
+ int backOffset;
+ int backPitch;
+
+ int depthOffset;
+ int depthPitch;
+
+ int logTextureGranularity;
+ int textureOffset;
+
+ int irq;
+ int sarea_priv_offset;
+} I830DRIRec, *I830DRIPtr;
+
+typedef struct {
+ /* Nothing here yet */
+ int dummy;
+} I830ConfigPrivRec, *I830ConfigPrivPtr;
+
+typedef struct {
+ /* Nothing here yet */
+ int dummy;
+} I830DRIContextRec, *I830DRIContextPtr;
+
+
+#endif
projects / platform / upstream / mesa.git / commitdiff