fixes
missrendering in TombRaider
KHR-GL44.gpu_shader5.precise_qualifier
KHR-GL45.gpu_shader5.precise_qualifier
v4: disable opt only for MAD, it's fine for SAD
Signed-off-by: Karol Herbst <[email protected]>
Reviewed-by: Pierre Moreau <[email protected]>
---
src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 4c92a1efb5..16da99c538 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
@@ -1676,7 +1676,8 @@ AlgebraicOpt::handleADD(Instruction *add)
return false;
bool changed = false;
- if (!changed && prog->getTarget()->isOpSupported(OP_MAD, add->dType))
+ // we can't optimize to MAD if the add is precise
+ if (!add->precise && prog->getTarget()->isOpSupported(OP_MAD, add->dType))
changed = tryADDToMADOrSAD(add, OP_MAD);
if (!changed && prog->getTarget()->isOpSupported(OP_SAD, add->dType))
changed = tryADDToMADOrSAD(add, OP_SAD);
@@ -1712,7 +1713,7 @@ AlgebraicOpt::tryADDToMADOrSAD(Instruction *add,
operation toOp)
return false;
if (src->getInsn()->saturate || src->getInsn()->postFactor ||
- src->getInsn()->dnz)
+ src->getInsn()->dnz || src->getInsn()->precise)
return false;
if (toOp == OP_SAD) {
--
2.13.1
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