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authorDave Airlie <airlied@redhat.com>2008-05-15 13:24:01 +1000
committerDave Airlie <airlied@redhat.com>2008-05-15 18:40:07 +1000
commite1bffd03188479f85f09eba2b478d36d77a70264 (patch)
tree983d41a9278cef642139e038e9b9a4ade77a0ed2 /src/mesa/drivers/dri/r300
parent10e0a36a496a7032b15728343cf8ee2ca2df5cb3 (diff)
r500: add cmp support in theory
Diffstat (limited to 'src/mesa/drivers/dri/r300')
-rw-r--r--src/mesa/drivers/dri/r300/r500_fragprog.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c
index 2ea77bcfad..eee9eb8d71 100644
--- a/src/mesa/drivers/dri/r300/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r500_fragprog.c
@@ -418,6 +418,30 @@ static GLboolean parse_program(struct r500_fragment_program *fp)
| R500_ALU_RGBA_ALPHA_SEL_C_SRC1
| MAKE_SWIZ_ALPHA_C(make_alpha_swizzle(fpi->SrcReg[1]));
break;
+ case OPCODE_CMP:
+ src[0] = make_src(fp, fpi->SrcReg[0]);
+ src[1] = make_src(fp, fpi->SrcReg[1]);
+ src[2] = make_src(fp, fpi->SrcReg[2]);
+ fp->inst[counter].inst0 = R500_INST_TYPE_ALU
+ | mask;
+ fp->inst[counter].inst1 = R500_RGB_ADDR0(src[0])
+ | R500_RGB_ADDR1(src[1]) | R500_RGB_ADDR2(src[2]);
+ fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src[0])
+ | R500_ALPHA_ADDR1(src[1]) | R500_ALPHA_ADDR2(src[2]);
+ fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0
+ | MAKE_SWIZ_RGB_A(make_rgb_swizzle(fpi->SrcReg[0]))
+ | R500_ALU_RGB_SEL_B_SRC1 | MAKE_SWIZ_RGB_B(make_rgb_swizzle(fpi->SrcReg[1]));
+ fp->inst[counter].inst4 = R500_ALPHA_OP_CMP
+ | R500_ALPHA_ADDRD(dest)
+ | R500_ALPHA_SEL_A_SRC0 | MAKE_SWIZ_ALPHA_A(make_alpha_swizzle(fpi->SrcReg[0]))
+ | R500_ALPHA_SEL_B_SRC1 | MAKE_SWIZ_ALPHA_B(make_alpha_swizzle(fpi->SrcReg[1]));
+ fp->inst[counter].inst5 = R500_ALU_RGBA_OP_CMP
+ | R500_ALU_RGBA_ADDRD(dest)
+ | R500_ALU_RGBA_SEL_C_SRC2
+ | MAKE_SWIZ_RGBA_C(make_rgb_swizzle(fpi->SrcReg[2]))
+ | R500_ALU_RGBA_ALPHA_SEL_C_SRC2
+ | MAKE_SWIZ_ALPHA_C(make_alpha_swizzle(fpi->SrcReg[2]));
+ break;
case OPCODE_DP3:
src[0] = make_src(fp, fpi->SrcReg[0]);
src[1] = make_src(fp, fpi->SrcReg[1]);