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spirv: Add fragdepth and implement image query

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IndecisiveTurtle 2024-06-29 14:05:05 +03:00 • committed by TheTurtle
parent 1f83824a8a
commit 5da79d4798
10 changed files with 51 additions and 17 deletions
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27
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -61,9 +61,30 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, u32 handle, Id coords, Id of
}
}
Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod,
const IR::Value& skip_mips_val) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, u32 handle, Id lod, bool skip_mips) {
const auto& texture = ctx.images[handle & 0xFFFF];
const Id image = ctx.OpLoad(texture.image_type, texture.id);
const auto type = ctx.info.images[handle & 0xFFFF].type;
const Id zero = ctx.u32_zero_value;
const auto mips{[&] { return skip_mips ? zero : ctx.OpImageQueryLevels(ctx.U32[1], image); }};
const bool uses_lod{type != AmdGpu::ImageType::Color2DMsaa && type != AmdGpu::ImageType::Buffer};
const auto query{[&](Id type) {
return uses_lod ? ctx.OpImageQuerySizeLod(type, image, lod)
: ctx.OpImageQuerySize(type, image);
}};
switch (type) {
case AmdGpu::ImageType::Color1D:
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[1]), zero, zero, mips());
case AmdGpu::ImageType::Color1DArray:
case AmdGpu::ImageType::Color2D:
case AmdGpu::ImageType::Cube:
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[2]), zero, mips());
case AmdGpu::ImageType::Color2DArray:
case AmdGpu::ImageType::Color3D:
return ctx.OpCompositeConstruct(ctx.U32[4], query(ctx.U32[3]), mips());
default:
throw NotImplementedException("SPIR-V Instruction");
}
}
Id EmitImageQueryLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords) {