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R600/SI: Use unnormalized coordinates for sampling with the RECT target.

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Patch by: Michel Dänzer

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173053 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-01-21 15:40:48 +00:00
parent ca0e340f79
commit 97ff618b06
2 changed files with 13 additions and 0 deletions
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7
lib/Target/R600/R600Instructions.td
View File

@ -342,6 +342,13 @@ def TEX_SHADOW : PatLeaf<
}]
>;
def TEX_RECT : PatLeaf<
(imm),
[{uint32_t TType = (uint32_t)N->getZExtValue();
return TType == 5;
}]
>;
class EG_CF_RAT <bits <8> cf_inst, bits <6> rat_inst, bits<4> rat_id, dag outs,
dag ins, string asm, list<dag> pattern> :
InstR600ISA <outs, ins, asm, pattern> {

6
lib/Target/R600/SIInstructions.td
View File

@ -1191,6 +1191,12 @@ def : Pat <
SReg_256:$rsrc, SReg_128:$sampler)
>;
def : Pat <
(int_SI_sample imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler, TEX_RECT),
(IMAGE_SAMPLE imm:$writemask, 1, 0, 0, 0, 0, 0, 0, VReg_128:$coord,
SReg_256:$rsrc, SReg_128:$sampler)
>;
/* int_SI_sample_lod */
def : Pat <
(int_SI_sample_lod imm:$writemask, VReg_128:$coord, SReg_256:$rsrc, SReg_128:$sampler, imm),