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shader: Implement TXQ and fix FragDepth

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This commit is contained in:
ReinUsesLisp 2021-03-26 18:45:38 -03:00 • committed by ameerj
parent d9c5bd9509
commit 17063d16a3
15 changed files with 264 additions and 21 deletions
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48
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -91,7 +91,15 @@ private:
Id Texture(EmitContext& ctx, const IR::Value& index) {
if (index.IsImmediate()) {
const TextureDefinition def{ctx.textures.at(index.U32())};
return ctx.OpLoad(def.type, def.id);
return ctx.OpLoad(def.sampled_type, def.id);
}
throw NotImplementedException("Indirect texture sample");
}
Id TextureImage(EmitContext& ctx, const IR::Value& index) {
if (index.IsImmediate()) {
const TextureDefinition def{ctx.textures.at(index.U32())};
return ctx.OpImage(def.image_type, ctx.OpLoad(def.sampled_type, def.id));
}
throw NotImplementedException("Indirect texture sample");
}
@ -149,6 +157,10 @@ Id EmitBindlessImageFetch(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBindlessImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBoundImageSampleImplicitLod(EmitContext&) {
throw LogicError("Unreachable instruction");
}
@ -177,6 +189,10 @@ Id EmitBoundImageFetch(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBoundImageQueryDimensions(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>()};
@ -241,4 +257,34 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
Texture(ctx, index), coords, operands.Mask(), operands.Span());
}
Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
const Id image{TextureImage(ctx, index)};
const Id zero{ctx.u32_zero_value};
const auto mips{[&] { return ctx.OpImageQueryLevels(ctx.U32[1], image); }};
switch (info.type) {
case TextureType::Color1D:
case TextureType::Shadow1D:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[1], image, lod),
zero, zero, mips());
case TextureType::ColorArray1D:
case TextureType::Color2D:
case TextureType::ColorCube:
case TextureType::ShadowArray1D:
case TextureType::Shadow2D:
case TextureType::ShadowCube:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[2], image, lod),
zero, mips());
case TextureType::ColorArray2D:
case TextureType::Color3D:
case TextureType::ColorArrayCube:
case TextureType::ShadowArray2D:
case TextureType::Shadow3D:
case TextureType::ShadowArrayCube:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[3], image, lod),
mips());
}
throw LogicError("Unspecified image type {}", info.type.Value());
}
} // namespace Shader::Backend::SPIRV