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r600g: make conv pipe prim table driven.

Browse source 
This is a lot more branch predictor friendly, it actually
showed up in cachegrind profiles.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2011-06-03 10:10:01 +10:00
parent aaeb9a8216
commit de0adb691f
1 changed files with 20 additions and 32 deletions
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52
src/gallium/drivers/r600/r600_state_common.c
View file

@ -34,41 +34,29 @@
static int r600_conv_pipe_prim(unsigned pprim, unsigned *prim)
{
switch (pprim) {
case PIPE_PRIM_POINTS:
*prim = V_008958_DI_PT_POINTLIST;
return 0;
case PIPE_PRIM_LINES:
*prim = V_008958_DI_PT_LINELIST;
return 0;
case PIPE_PRIM_LINE_STRIP:
*prim = V_008958_DI_PT_LINESTRIP;
return 0;
case PIPE_PRIM_LINE_LOOP:
*prim = V_008958_DI_PT_LINELOOP;
return 0;
case PIPE_PRIM_TRIANGLES:
*prim = V_008958_DI_PT_TRILIST;
return 0;
case PIPE_PRIM_TRIANGLE_STRIP:
*prim = V_008958_DI_PT_TRISTRIP;
return 0;
case PIPE_PRIM_TRIANGLE_FAN:
*prim = V_008958_DI_PT_TRIFAN;
return 0;
case PIPE_PRIM_POLYGON:
*prim = V_008958_DI_PT_POLYGON;
return 0;
case PIPE_PRIM_QUADS:
*prim = V_008958_DI_PT_QUADLIST;
return 0;
case PIPE_PRIM_QUAD_STRIP:
*prim = V_008958_DI_PT_QUADSTRIP;
return 0;
default:
static const int prim_conv[] = {
V_008958_DI_PT_POINTLIST,
V_008958_DI_PT_LINELIST,
V_008958_DI_PT_LINELOOP,
V_008958_DI_PT_LINESTRIP,
V_008958_DI_PT_TRILIST,
V_008958_DI_PT_TRISTRIP,
V_008958_DI_PT_TRIFAN,
V_008958_DI_PT_QUADLIST,
V_008958_DI_PT_QUADSTRIP,
V_008958_DI_PT_POLYGON,
-1,
-1,
-1,
-1
};
*prim = prim_conv[pprim];
if (*prim == -1) {
fprintf(stderr, "%s:%d unsupported %d\n", __func__, __LINE__, pprim);
return -1;
}
return 0;
}
/* common state between evergreen and r600 */