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simplify KIL usage for bitmap fragprog

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This commit is contained in:
Brian
2007-10-15 10:28:18 -06:00
parent 41b3fcbf04
commit 583c11d383
1 changed files with 2 additions and 4 deletions
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src/mesa/state_tracker/st_cb_drawpixels.c
+2 -4
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@@ -105,11 +105,10 @@ make_fragment_shader(struct st_context *st, GLboolean bitmapMode)
= MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE );
ic++;
/* SUB tmp0.w, tmp0.w, tmp0.x; # tmp0.w -= 1 */
/* SUB tmp0, tmp0.wwww, tmp0.xxxx; # tmp0.w -= 1 */
p->Instructions[ic].Opcode = OPCODE_SUB;
p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY;
p->Instructions[ic].DstReg.Index = 0;
p->Instructions[ic].DstReg.WriteMask = WRITEMASK_W;
p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
p->Instructions[ic].SrcReg[0].Index = 0;
p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_WWWW;
@@ -118,11 +117,10 @@ make_fragment_shader(struct st_context *st, GLboolean bitmapMode)
p->Instructions[ic].SrcReg[1].Swizzle = SWIZZLE_XXXX; /* 1.0 */
ic++;
/* KIL if tmp0.w < 0 */
/* KIL if tmp0 < 0 */
p->Instructions[ic].Opcode = OPCODE_KIL;
p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
p->Instructions[ic].SrcReg[0].Index = 0;
p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_WWWW;
ic++;
/* MOV result.color, fragment.color */