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spirv: Fix TXQ with MSAA textures

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This commit is contained in:
ameerj 2023-01-29 13:47:30 -05:00
parent a1d8306bfd
commit a63e17566a
3 changed files with 19 additions and 8 deletions
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25
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -201,6 +201,13 @@ Id Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
}
}
bool IsTextureMsaa(EmitContext& ctx, const IR::TextureInstInfo& info) {
if (info.type == TextureType::Buffer) {
return false;
}
return ctx.textures.at(info.descriptor_index).is_multisample;
}
Id Decorate(EmitContext& ctx, IR::Inst* inst, Id sample) {
const auto info{inst->Flags<IR::TextureInstInfo>()};
if (info.relaxed_precision != 0) {
@ -452,24 +459,26 @@ Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& i
const Id zero{ctx.u32_zero_value};
const bool skip_mips{skip_mips_val.U1()};
const auto mips{[&] { return skip_mips ? zero : ctx.OpImageQueryLevels(ctx.U32[1], image); }};
const bool is_msaa{IsTextureMsaa(ctx, info)};
const bool uses_lod{!is_msaa && info.type != TextureType::Buffer};
const auto query{[&](Id type) {
return uses_lod ? ctx.OpImageQuerySizeLod(type, image, lod)
: ctx.OpImageQuerySize(type, image);
}};
switch (info.type) {
case TextureType::Color1D:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[1], image, lod),
zero, zero, mips());
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[1]), zero, zero, mips());
case TextureType::ColorArray1D:
case TextureType::Color2D:
case TextureType::ColorCube:
case TextureType::Color2DRect:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[2], image, lod),
zero, mips());
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[2]), zero, mips());
case TextureType::ColorArray2D:
case TextureType::Color3D:
case TextureType::ColorArrayCube:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[3], image, lod),
mips());
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[3]), mips());
case TextureType::Buffer:
return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySize(ctx.U32[1], image), zero,
zero, mips());
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[1]), zero, zero, mips());
}
throw LogicError("Unspecified image type {}", info.type.Value());
}