Implement rendering of (flat color) QUAD primitives as an experiment.
authorVladimir Dergachev <volodya@freedesktop.org>
Mon, 27 Dec 2004 17:18:48 +0000 (17:18 +0000)
committerVladimir Dergachev <volodya@freedesktop.org>
Mon, 27 Dec 2004 17:18:48 +0000 (17:18 +0000)
src/mesa/drivers/dri/r300/Makefile
src/mesa/drivers/dri/r300/r300_emit.h [new file with mode: 0644]
src/mesa/drivers/dri/r300/r300_render.c

index 1306ded..ef25526 100644 (file)
@@ -1,5 +1,6 @@
 # src/mesa/drivers/dri/r300/Makefile
 
+
 TOP = ../../../../..
 include $(TOP)/configs/current
 
@@ -31,6 +32,7 @@ DRIVER_SOURCES = \
                 r300_cmdbuf.c \
                 r300_state.c \
                 r300_render.c \
+                r300_lib.c \
                 \
                 r200_context.c \
                 r200_ioctl.c \
diff --git a/src/mesa/drivers/dri/r300/r300_emit.h b/src/mesa/drivers/dri/r300/r300_emit.h
new file mode 100644 (file)
index 0000000..f420cec
--- /dev/null
@@ -0,0 +1,140 @@
+#ifndef __EMIT_H__
+#define __EMIT_H__
+#include "glheader.h"
+#include "r300_context.h"
+#include "r300_cmdbuf.h"
+
+/* convenience macros */
+#define RADEON_CP_PACKET0                           0x00000000
+#define RADEON_CP_PACKET1                           0x40000000
+#define RADEON_CP_PACKET2                           0x80000000
+#define RADEON_CP_PACKET3                           0xC0000000
+
+#define RADEON_CP_PACKET3_NOP                       0xC0001000
+#define RADEON_CP_PACKET3_NEXT_CHAR                 0xC0001900
+#define RADEON_CP_PACKET3_PLY_NEXTSCAN              0xC0001D00
+#define RADEON_CP_PACKET3_SET_SCISSORS              0xC0001E00
+#define RADEON_CP_PACKET3_3D_RNDR_GEN_INDX_PRIM     0xC0002300
+#define RADEON_CP_PACKET3_LOAD_MICROCODE            0xC0002400
+#define RADEON_CP_PACKET3_WAIT_FOR_IDLE             0xC0002600
+#define RADEON_CP_PACKET3_3D_DRAW_VBUF              0xC0002800
+#define RADEON_CP_PACKET3_3D_DRAW_IMMD              0xC0002900
+#define RADEON_CP_PACKET3_3D_DRAW_INDX              0xC0002A00
+#define RADEON_CP_PACKET3_LOAD_PALETTE              0xC0002C00
+#define RADEON_CP_PACKET3_3D_DRAW_VBUF_2            0xC0003400
+#define RADEON_CP_PACKET3_3D_DRAW_IMMD_2            0xC0003500
+#define RADEON_CP_PACKET3_3D_DRAW_INDX_2            0xC0003600
+#define RADEON_CP_PACKET3_3D_LOAD_VBPNTR            0xC0002F00
+#define RADEON_CP_PACKET3_CNTL_PAINT                0xC0009100
+#define RADEON_CP_PACKET3_CNTL_BITBLT               0xC0009200
+#define RADEON_CP_PACKET3_CNTL_SMALLTEXT            0xC0009300
+#define RADEON_CP_PACKET3_CNTL_HOSTDATA_BLT         0xC0009400
+#define RADEON_CP_PACKET3_CNTL_POLYLINE             0xC0009500
+#define RADEON_CP_PACKET3_CNTL_POLYSCANLINES        0xC0009800
+#define RADEON_CP_PACKET3_CNTL_PAINT_MULTI          0xC0009A00
+#define RADEON_CP_PACKET3_CNTL_BITBLT_MULTI         0xC0009B00
+#define RADEON_CP_PACKET3_CNTL_TRANS_BITBLT         0xC0009C00
+#define RADEON_CP_PACKET3_3D_CLEAR_ZMASK            0xC0003202
+#define RADEON_CP_PACKET3_3D_CLEAR_CMASK            0xC0003802
+#define RADEON_CP_PACKET3_3D_CLEAR_HIZ              0xC0003702
+
+#define CP_PACKET0(reg, n)     (RADEON_CP_PACKET0 | ((n)<<16) | ((reg)>>2))
+
+/* Glue to R300 Mesa driver */
+#define LOCAL_VARS int cmd_reserved=0;\
+       int cmd_written=0; \
+       drm_radeon_cmd_header_t *cmd=NULL;
+       
+#define PREFIX_VOID r300ContextPtr rmesa
+
+#define PREFIX PREFIX_VOID ,
+
+#define PASS_PREFIX_VOID rmesa
+#define PASS_PREFIX rmesa ,
+
+typedef GLuint CARD32;
+
+/* This files defines functions for accessing R300 hardware.
+   It needs to be customized to whatever code r300_lib.c is used
+   in */
+   
+void static inline check_space(int dwords)
+{
+}
+
+static __inline__ uint32_t cmducs(int reg, int count)
+{
+       drm_r300_cmd_header_t cmd;
+
+       cmd.unchecked_state.cmd_type = R300_CMD_UNCHECKED_STATE;
+       cmd.unchecked_state.count = count;
+       cmd.unchecked_state.reghi = ((unsigned int)reg & 0xFF00) >> 8;
+       cmd.unchecked_state.reglo = ((unsigned int)reg & 0x00FF);
+
+       return cmd.u;
+}
+
+static __inline__ uint32_t cmdvpu(int addr, int count)
+{
+       drm_r300_cmd_header_t cmd;
+
+       cmd.vpu.cmd_type = R300_CMD_VPU;
+       cmd.vpu.count = count;
+       cmd.vpu.adrhi = ((unsigned int)addr & 0xFF00) >> 8;
+       cmd.vpu.adrlo = ((unsigned int)addr & 0x00FF);
+
+       return cmd.u;
+}
+
+/* Prepare to write a register value to register at address reg.
+   If num_extra > 0 then the following extra values are written
+   to registers with address +4, +8 and so on.. */
+#define reg_start(reg, num_extra) \
+       { \
+       int _n; \
+       _n=(num_extra); \
+       cmd=(drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa, \
+                                       (_n+2), \
+                                       __FUNCTION__); \
+       cmd_reserved=_n+2; \
+       cmd_written=1; \
+       cmd[0].i=cmducs((reg), _n+1); \
+       }
+
+/* Prepare to write a register value to register at address reg.
+   If num_extra > 0 then the following extra values are written
+   into the same register. */
+#define reg_start_pump(reg, num_extra) \
+       { \
+       fprintf(stderr, "I am not defined.. Error ! in %s::%s at line %d\n", \
+                       __FILE__, __FUNCTION__, __LINE__); \
+       exit(-1); \
+       }
+
+/* Emit CARD32 freestyle*/
+#define e32(dword)   { \
+       if(cmd_written<cmd_reserved){\
+               cmd[cmd_written].i=(dword); \
+               cmd_written++; \
+               } else { \
+               fprintf(stderr, "e32 but no previous packet declaration.. Aborting! in %s::%s at line %d\n", \
+                       __FILE__, __FUNCTION__, __LINE__); \
+               exit(-1); \
+               } \
+       }
+
+#define        efloat(f) e32(r300PackFloat32(f))
+
+#define vsf_start_fragment(dest, length)  \
+       { \
+       int _n; \
+       _n=(length); \
+       cmd=(drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa, \
+                                       (_n+1), \
+                                       __FUNCTION__); \
+       cmd_reserved=_n+2; \
+       cmd_written=1; \
+       cmd[0].i=cmdvpu((dest), _n/4); \
+       }
+       
+#endif
index 879133c..92d629f 100644 (file)
@@ -53,6 +53,8 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "r300_reg.h"
 #include "r300_program.h"
 
+#include "r300_lib.h"
+
 
 /**********************************************************************
 *                     Hardware rasterization
@@ -62,25 +64,47 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 **********************************************************************/
 
 
-/**
- * Called by the pipeline manager to render a batch of primitives.
- * We can return true to pass on to the next stage (i.e. software
- * rasterization) or false to indicate that the pipeline has finished
- * after we render something.
- */
-static GLboolean r300_run_render(GLcontext *ctx,
-                                struct tnl_pipeline_stage *stage)
+static void r300_render_primitive(r300ContextPtr rmesa, 
+       GLcontext *ctx,
+       int start,
+       int end,
+       int prim)
 {
-   r300ContextPtr mmesa = R300_CONTEXT(ctx);
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    struct vertex_buffer *VB = &tnl->vb;
    GLuint i;
-       
-       if (RADEON_DEBUG == DEBUG_PRIMS)
-               fprintf(stderr, "%s\n", __FUNCTION__);
+   int k;
+   ADAPTOR adaptor;
+   LOCAL_VARS
+               
+   if(end<=start)return; /* do we need to watch for this ? */
+   
+   adaptor=TWO_PIPE_ADAPTOR;
+   
+   adaptor.color_offset[0]=rmesa->radeon.radeonScreen->backOffset+rmesa->radeon.radeonScreen->fbLocation;
+   adaptor.color_pitch[0]=(rmesa->radeon.radeonScreen->backPitch) | (0xc0<<16);
 
-   for(i=0; i < VB->PrimitiveCount; i++){
-               switch (VB->Primitive[i].mode & PRIM_MODE_MASK) {
+   adaptor.depth_offset=rmesa->radeon.radeonScreen->depthOffset;
+   adaptor.depth_pitch=rmesa->radeon.radeonScreen->depthPitch | (0x2 << 16);
+   
+   init_3d(PASS_PREFIX &adaptor);
+   init_flat_primitive(PASS_PREFIX &adaptor);
+   
+   set_scissors(PASS_PREFIX 0, 0, 2647, 1941);
+
+   set_cliprect(PASS_PREFIX 0, 0, 0, 2647,1941);
+   set_cliprect(PASS_PREFIX 1, 0, 0, 2647,1941);
+   set_cliprect(PASS_PREFIX 2, 0, 0, 2647,1941);
+   set_cliprect(PASS_PREFIX 3, 0, 0, 2647,1941);
+   
+   reg_start(R300_RE_OCCLUSION_CNTL, 0);
+            e32(R300_OCCLUSION_ON);
+
+   set_quad0(PASS_PREFIX 1.0,1.0,1.0,1.0);
+   set_init21(PASS_PREFIX 0.0,1.0);
+
+       fprintf(stderr, "[%d-%d]", start, end);
+       switch (prim & PRIM_MODE_MASK) {
                case GL_LINES:
                fprintf(stderr, "L ");
                break;
@@ -101,6 +125,34 @@ static GLboolean r300_run_render(GLcontext *ctx,
                break;
                case GL_QUADS:
                fprintf(stderr, "Q ");
+               
+               for(i=start+3;i<end;i+=4){
+                       start_primitive(PASS_PREFIX R300_VAP_VF_CNTL__PRIM_QUADS);
+                       for(k=-3;k<=0;k++){
+                               #if 1
+                               fprintf(stderr, "* (%f %f %f) (%f %f %f)\n", 
+                                       VEC_ELT(VB->ObjPtr, GLfloat, i+k)[0],
+                                       VEC_ELT(VB->ObjPtr, GLfloat, i+k)[1],
+                                       VEC_ELT(VB->ObjPtr, GLfloat, i+k)[2],
+                                       
+                                       VEC_ELT(VB->ColorPtr[0], GLfloat, i+k)[0],
+                                       VEC_ELT(VB->ColorPtr[0], GLfloat, i+k)[1],
+                                       VEC_ELT(VB->ColorPtr[0], GLfloat, i+k)[2]
+                                       );
+                               #endif
+                               emit_flat_vertex(PASS_PREFIX 
+                                       /* coordinates */
+                                       VEC_ELT(VB->ObjPtr, GLfloat, i+k)[0],
+                                       VEC_ELT(VB->ObjPtr, GLfloat, i+k)[1],
+                                       VEC_ELT(VB->ObjPtr, GLfloat, i+k)[2],
+                                       /* colors */
+                                       VEC_ELT(VB->ColorPtr[0], GLfloat, i+k)[0],
+                                       VEC_ELT(VB->ColorPtr[0], GLfloat, i+k)[1],
+                                       VEC_ELT(VB->ColorPtr[0], GLfloat, i+k)[2]
+                                       );
+                               }
+                       end_primitive(PASS_PREFIX_VOID);
+                       }
                break;
                case GL_QUAD_STRIP:
                fprintf(stderr, "QS ");
@@ -109,10 +161,40 @@ static GLboolean r300_run_render(GLcontext *ctx,
                fprintf(stderr, "%02x ", VB->Primitive[i].mode & PRIM_MODE_MASK);
                break;
                }
+   end_3d(PASS_PREFIX_VOID);
+}
+
+/**
+ * Called by the pipeline manager to render a batch of primitives.
+ * We can return true to pass on to the next stage (i.e. software
+ * rasterization) or false to indicate that the pipeline has finished
+ * after we render something.
+ */
+static GLboolean r300_run_render(GLcontext *ctx,
+                                struct tnl_pipeline_stage *stage)
+{
+   r300ContextPtr rmesa = R300_CONTEXT(ctx);
+   TNLcontext *tnl = TNL_CONTEXT(ctx);
+   struct vertex_buffer *VB = &tnl->vb;
+   GLuint i;
+       
+       if (RADEON_DEBUG == DEBUG_PRIMS)
+               fprintf(stderr, "%s\n", __FUNCTION__);
+
+   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;
+       r300_render_primitive(rmesa, ctx, start, start + length, prim);
        }
+       
    
    fprintf(stderr, "\n");
+   #if 0
        return GL_TRUE;
+   #else
+        return GL_FALSE;
+   #endif
 
 #if 0
    mgaContextPtr mmesa = MGA_CONTEXT(ctx);