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spirv: Workaround image unsigned offset bug

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

10
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
View File

@@ -104,7 +104,7 @@ private:
return; return;
} }
if (offset.IsImmediate()) { if (offset.IsImmediate()) {
Add(spv::ImageOperandsMask::ConstOffset, ctx.Const(offset.U32())); Add(spv::ImageOperandsMask::ConstOffset, ctx.SConst(offset.U32()));
return; return;
} }
IR::Inst* const inst{offset.InstRecursive()}; IR::Inst* const inst{offset.InstRecursive()};
@@ -112,16 +112,16 @@ private:
switch (inst->GetOpcode()) { switch (inst->GetOpcode()) {
case IR::Opcode::CompositeConstructU32x2: case IR::Opcode::CompositeConstructU32x2:
Add(spv::ImageOperandsMask::ConstOffset, 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; return;
case IR::Opcode::CompositeConstructU32x3: case IR::Opcode::CompositeConstructU32x3:
Add(spv::ImageOperandsMask::ConstOffset, 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; return;
case IR::Opcode::CompositeConstructU32x4: case IR::Opcode::CompositeConstructU32x4:
Add(spv::ImageOperandsMask::ConstOffset, 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())); inst->Arg(3).U32()));
return; return;
default: default:
break; break;