1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef I915CONTEXT_INC
29 #define I915CONTEXT_INC
31 #include "intel_context.h"
33 #define I915_FALLBACK_TEXTURE 0x1000
34 #define I915_FALLBACK_COLORMASK 0x2000
35 #define I915_FALLBACK_STENCIL 0x4000
36 #define I915_FALLBACK_STIPPLE 0x8000
37 #define I915_FALLBACK_PROGRAM 0x10000
38 #define I915_FALLBACK_LOGICOP 0x20000
39 #define I915_FALLBACK_POLYGON_SMOOTH 0x40000
40 #define I915_FALLBACK_POINT_SMOOTH 0x80000
41 #define I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN 0x100000
42 #define I915_FALLBACK_DRAW_OFFSET 0x200000
44 #define I915_UPLOAD_CTX 0x1
45 #define I915_UPLOAD_BUFFERS 0x2
46 #define I915_UPLOAD_STIPPLE 0x4
47 #define I915_UPLOAD_PROGRAM 0x8
48 #define I915_UPLOAD_CONSTANTS 0x10
49 #define I915_UPLOAD_INVARIENT 0x40
50 #define I915_UPLOAD_DEFAULTS 0x80
51 #define I915_UPLOAD_RASTER_RULES 0x100
52 #define I915_UPLOAD_BLEND 0x200
53 #define I915_UPLOAD_TEX(i) (0x00010000<<(i))
54 #define I915_UPLOAD_TEX_ALL (0x00ff0000)
55 #define I915_UPLOAD_TEX_0_SHIFT 16
58 /* State structure offsets - these will probably disappear.
60 #define I915_DESTREG_CBUFADDR0 0
61 #define I915_DESTREG_CBUFADDR1 1
62 #define I915_DESTREG_DBUFADDR0 3
63 #define I915_DESTREG_DBUFADDR1 4
64 #define I915_DESTREG_DV0 6
65 #define I915_DESTREG_DV1 7
66 #define I915_DESTREG_SENABLE 8
67 #define I915_DESTREG_SR0 9
68 #define I915_DESTREG_SR1 10
69 #define I915_DESTREG_SR2 11
70 #define I915_DESTREG_DRAWRECT0 12
71 #define I915_DESTREG_DRAWRECT1 13
72 #define I915_DESTREG_DRAWRECT2 14
73 #define I915_DESTREG_DRAWRECT3 15
74 #define I915_DESTREG_DRAWRECT4 16
75 #define I915_DESTREG_DRAWRECT5 17
76 #define I915_DEST_SETUP_SIZE 18
78 #define I915_CTXREG_STATE4 0
79 #define I915_CTXREG_LI 1
80 #define I915_CTXREG_LIS2 2
81 #define I915_CTXREG_LIS4 3
82 #define I915_CTXREG_LIS5 4
83 #define I915_CTXREG_LIS6 5
84 #define I915_CTXREG_BF_STENCIL_OPS 6
85 #define I915_CTXREG_BF_STENCIL_MASKS 7
86 #define I915_CTX_SETUP_SIZE 8
88 #define I915_BLENDREG_IAB 0
89 #define I915_BLENDREG_BLENDCOLOR0 1
90 #define I915_BLENDREG_BLENDCOLOR1 2
91 #define I915_BLEND_SETUP_SIZE 3
93 #define I915_STPREG_ST0 0
94 #define I915_STPREG_ST1 1
95 #define I915_STP_SETUP_SIZE 2
97 #define I915_TEXREG_MS3 1
98 #define I915_TEXREG_MS4 2
99 #define I915_TEXREG_SS2 3
100 #define I915_TEXREG_SS3 4
101 #define I915_TEXREG_SS4 5
102 #define I915_TEX_SETUP_SIZE 6
104 #define I915_DEFREG_C0 0
105 #define I915_DEFREG_C1 1
106 #define I915_DEFREG_S0 2
107 #define I915_DEFREG_S1 3
108 #define I915_DEFREG_Z0 4
109 #define I915_DEFREG_Z1 5
110 #define I915_DEF_SETUP_SIZE 6
114 I915_RASTER_RULES_SETUP_SIZE,
117 #define I915_MAX_CONSTANT 32
118 #define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
120 #define I915_MAX_TEX_INDIRECT 4
121 #define I915_MAX_TEX_INSN 32
122 #define I915_MAX_ALU_INSN 64
123 #define I915_MAX_DECL_INSN 27
124 #define I915_MAX_TEMPORARY 16
126 #define I915_MAX_INSN (I915_MAX_DECL_INSN + \
127 I915_MAX_TEX_INSN + \
130 /* Maximum size of the program packet, which matches the limits on
131 * decl, tex, and ALU instructions.
133 #define I915_PROGRAM_SIZE (I915_MAX_INSN * 3 + 1)
135 /* Hardware version of a parsed fragment program. "Derived" from the
136 * mesa fragment_program struct.
138 struct i915_fragment_program
140 struct gl_fragment_program FragProg;
142 GLboolean translated;
143 GLboolean params_uptodate;
144 GLboolean on_hardware;
145 GLboolean error; /* If program is malformed for any reason. */
147 /** Record of which phases R registers were last written in. */
148 GLuint register_phases[16];
150 GLuint nr_tex_indirect;
158 /* TODO: split between the stored representation of a program and
159 * the state used to build that representation.
161 struct gl_context *ctx;
163 /* declarations contains the packet header. */
164 GLuint declarations[I915_MAX_DECL_INSN * 3 + 1];
165 GLuint program[(I915_MAX_TEX_INSN + I915_MAX_ALU_INSN) * 3];
167 GLfloat constant[I915_MAX_CONSTANT][4];
168 GLuint constant_flags[I915_MAX_CONSTANT];
171 GLuint *csr; /* Cursor, points into program.
174 GLuint *decl; /* Cursor, points into declarations.
177 GLuint decl_s; /* flags for which s regs need to be decl'd */
178 GLuint decl_t; /* flags for which t regs need to be decl'd */
180 GLuint temp_flag; /* Tracks temporary regs which are in
184 GLuint utemp_flag; /* Tracks TYPE_U temporary regs which are in
189 /* Track which R registers are "live" for each instruction.
190 * A register is live between the time it's written to and the last time
192 GLuint usedRegs[I915_MAX_INSN];
194 /* Helpers for i915_fragprog.c:
197 GLboolean depth_written;
201 GLuint reg; /* Hardware constant idx */
202 const GLfloat *values; /* Pointer to tracked values */
203 } param[I915_MAX_CONSTANT];
213 #define I915_TEX_UNITS 8
218 GLuint Ctx[I915_CTX_SETUP_SIZE];
219 GLuint Blend[I915_BLEND_SETUP_SIZE];
220 GLuint Buffer[I915_DEST_SETUP_SIZE];
221 GLuint Stipple[I915_STP_SETUP_SIZE];
222 GLuint Defaults[I915_DEF_SETUP_SIZE];
223 GLuint RasterRules[I915_RASTER_RULES_SETUP_SIZE];
224 GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
225 GLuint Constant[I915_CONSTANT_SIZE];
227 GLuint Program[I915_PROGRAM_SIZE];
230 /* Region pointers for relocation:
232 struct intel_region *draw_region;
233 struct intel_region *depth_region;
234 /* struct intel_region *tex_region[I915_TEX_UNITS]; */
236 /* Regions aren't actually that appropriate here as the memory may
237 * be from a PBO or FBO. Will have to do this for draw and depth for
240 drm_intel_bo *tex_buffer[I915_TEX_UNITS];
241 GLuint tex_offset[I915_TEX_UNITS];
244 GLuint active; /* I915_UPLOAD_* */
245 GLuint emitted; /* I915_UPLOAD_* */
250 struct intel_context intel;
252 GLuint last_ReallyEnabled;
253 GLuint lodbias_ss2[MAX_TEXTURE_UNITS];
256 struct i915_fragment_program *current_program;
258 drm_intel_bo *current_vb_bo;
259 unsigned int current_vertex_size;
261 struct i915_hw_state state;
262 uint32_t last_draw_offset;
267 #define I915_STATECHANGE(i915, flag) \
269 INTEL_FIREVERTICES( &(i915)->intel ); \
270 (i915)->state.emitted &= ~(flag); \
273 #define I915_ACTIVESTATE(i915, flag, mode) \
275 INTEL_FIREVERTICES( &(i915)->intel ); \
277 (i915)->state.active |= (flag); \
279 (i915)->state.active &= ~(flag); \
283 /*======================================================================
286 extern void i915InitVtbl(struct i915_context *i915);
289 i915_state_draw_region(struct intel_context *intel,
290 struct i915_hw_state *state,
291 struct intel_region *color_region,
292 struct intel_region *depth_region);
296 #define SZ_TO_HW(sz) ((sz-2)&0x3)
297 #define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
298 #define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
300 intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
301 intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
303 intel->vertex_attr_count++; \
307 #define EMIT_PAD( N ) \
309 intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
310 intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
311 intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
312 intel->vertex_attr_count++; \
318 /*======================================================================
321 extern GLboolean i915CreateContext(int api,
322 const struct gl_config * mesaVis,
323 __DRIcontext * driContextPriv,
324 void *sharedContextPrivate);
327 /*======================================================================
330 extern void i915_disassemble_program(const GLuint * program, GLuint sz);
331 extern void i915_print_ureg(const char *msg, GLuint ureg);
334 /*======================================================================
337 extern void i915InitStateFunctions(struct dd_function_table *functions);
338 extern void i915InitState(struct i915_context *i915);
339 extern void i915_update_stencil(struct gl_context * ctx);
340 extern void i915_update_provoking_vertex(struct gl_context *ctx);
343 /*======================================================================
346 extern void i915UpdateTextureState(struct intel_context *intel);
347 extern void i915InitTextureFuncs(struct dd_function_table *functions);
349 /*======================================================================
352 extern void i915ValidateFragmentProgram(struct i915_context *i915);
353 extern void i915InitFragProgFuncs(struct dd_function_table *functions);
355 /*======================================================================
356 * Inline conversion functions. These are better-typed than the
357 * macros used previously:
359 static INLINE struct i915_context *
360 i915_context(struct gl_context * ctx)
362 return (struct i915_context *) ctx;
367 #define I915_CONTEXT(ctx) i915_context(ctx)