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authorMichel Dänzer <michel.daenzer@amd.com>2013-01-16 15:27:54 +0100
committerTom Stellard <thomas.stellard@amd.com>2013-01-16 16:52:19 -0500
commitda961b066ee35d3af05adeac3141c1fc7d6ddcd3 (patch)
tree4be031c7dc8fc28dccda3d1e4cfcbc577f5c7ca1
parent403e472e75fd736d8e457f2b9da4324486968c94 (diff)
R600/SI: Use unnormalized coordinates for sampling with the RECT target.push-jan16
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>
-rw-r--r--lib/Target/R600/R600Instructions.td7
-rw-r--r--lib/Target/R600/SIInstructions.td6
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/R600/R600Instructions.td b/lib/Target/R600/R600Instructions.td
index 64bab18fa6c..b15ea762bfd 100644
--- a/lib/Target/R600/R600Instructions.td
+++ b/lib/Target/R600/R600Instructions.td
@@ -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> {
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 0f9d572c4ad..4164c558378 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -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),