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shader: Add IR opcode for ImageFetch

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This commit is contained in:
FernandoS27 2021-03-26 19:24:50 +01:00 • committed by ameerj
parent 742d11c2ad
commit b5db38f50e
7 changed files with 55 additions and 5 deletions
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32
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -39,6 +39,18 @@ public:
}
}
explicit ImageOperands([[maybe_unused]] EmitContext& ctx, Id offset, Id lod, Id ms) {
if (Sirit::ValidId(lod)) {
Add(spv::ImageOperandsMask::Lod, lod);
}
if (Sirit::ValidId(offset)) {
Add(spv::ImageOperandsMask::Offset, offset);
}
if (Sirit::ValidId(ms)) {
Add(spv::ImageOperandsMask::Sample, ms);
}
}
void Add(spv::ImageOperandsMask new_mask, Id value) {
mask = static_cast<spv::ImageOperandsMask>(static_cast<unsigned>(mask) |
static_cast<unsigned>(new_mask));
@ -115,6 +127,10 @@ Id EmitBindlessImageGatherDref(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBindlessImageFetch(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBoundImageSampleImplicitLod(EmitContext&) {
throw LogicError("Unreachable instruction");
}
@ -139,6 +155,10 @@ Id EmitBoundImageGatherDref(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBoundImageFetch(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id bias_lc, Id offset) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
@ -178,7 +198,7 @@ Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Va
}
Id EmitImageGather(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
[[maybe_unused]] Id offset2) {
Id offset2) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const ImageOperands operands(ctx, offset, offset2);
return Emit(&EmitContext::OpImageSparseGather, &EmitContext::OpImageGather, ctx, inst,
@ -188,11 +208,19 @@ Id EmitImageGather(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id
}
Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
Id offset, [[maybe_unused]] Id offset2, Id dref) {
Id offset, Id offset2, Id dref) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const ImageOperands operands(ctx, offset, offset2);
return Emit(&EmitContext::OpImageSparseDrefGather, &EmitContext::OpImageDrefGather, ctx, inst,
ctx.F32[4], Texture(ctx, index), coords, dref, operands.Mask(), operands.Span());
}
Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
Id lod, Id ms) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const ImageOperands operands(ctx, offset, lod, ms);
return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst, ctx.F32[4],
Texture(ctx, index), coords, operands.Mask(), operands.Span());
}
} // namespace Shader::Backend::SPIRV