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spirv: Workaround image unsigned offset bug 

Workaround bug on Nvidia's OpenGL SPIR-V compiler when using unsigned
texture offsets.
This commit is contained in:
ReinUsesLisp 2021-05-23 04:14:35 -03:00 committed by ameerj
parent 4ead714910
commit d2e811db2e
2 changed files with 26 additions and 9 deletions
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25
src/shader_recompiler/backend/spirv/emit_context.h
View File

@ -122,10 +122,6 @@ public:
return Constant(U32[1], value);
}
Id Const(f32 value) {
return Constant(F32[1], value);
}
Id Const(u32 element_1, u32 element_2) {
return ConstantComposite(U32[2], Const(element_1), Const(element_2));
}
@ -139,6 +135,27 @@ public:
Const(element_4));
}
Id SConst(s32 value) {
return Constant(S32[1], value);
}
Id SConst(s32 element_1, s32 element_2) {
return ConstantComposite(S32[2], SConst(element_1), SConst(element_2));
}
Id SConst(s32 element_1, s32 element_2, s32 element_3) {
return ConstantComposite(S32[3], SConst(element_1), SConst(element_2), SConst(element_3));
}
Id SConst(s32 element_1, s32 element_2, s32 element_3, s32 element_4) {
return ConstantComposite(S32[4], SConst(element_1), SConst(element_2), SConst(element_3),
SConst(element_4));
}
Id Const(f32 value) {
return Constant(F32[1], value);
}
const Profile& profile;
Stage stage{};

8
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
View File

@ -104,7 +104,7 @@ private:
return;
}
if (offset.IsImmediate()) {
Add(spv::ImageOperandsMask::ConstOffset, ctx.Const(offset.U32()));
Add(spv::ImageOperandsMask::ConstOffset, ctx.SConst(offset.U32()));
return;
}
IR::Inst* const inst{offset.InstRecursive()};
@ -112,15 +112,15 @@ private:
switch (inst->GetOpcode()) {
case IR::Opcode::CompositeConstructU32x2:
Add(spv::ImageOperandsMask::ConstOffset,
ctx.Const(inst->Arg(0).U32(), inst->Arg(1).U32()));
ctx.SConst(inst->Arg(0).U32(), inst->Arg(1).U32()));
return;
case IR::Opcode::CompositeConstructU32x3:
Add(spv::ImageOperandsMask::ConstOffset,
ctx.Const(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32()));
ctx.SConst(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32()));
return;
case IR::Opcode::CompositeConstructU32x4:
Add(spv::ImageOperandsMask::ConstOffset,
ctx.Const(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32(),
ctx.SConst(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32(),
inst->Arg(3).U32()));
return;
default: