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shader_recompiler: TXQ: Skip QueryLevels when possible

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This commit is contained in:
ameerj 2023-01-28 16:09:58 -05:00
parent e54d08fc1f
commit 2c2e019a44
11 changed files with 37 additions and 29 deletions
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20
src/shader_recompiler/backend/glsl/emit_glsl_image.cpp
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@ -455,27 +455,27 @@ void EmitImageFetch(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
}
void EmitImageQueryDimensions(EmitContext& ctx, IR::Inst& inst, const IR::Value& index,
std::string_view lod) {
std::string_view lod, const IR::Value& skip_mips_val) {
const auto info{inst.Flags<IR::TextureInstInfo>()};
const auto texture{Texture(ctx, info, index)};
const bool skip_mips{skip_mips_val.U1()};
const auto mips{
[&] { return skip_mips ? "0u" : fmt::format("uint(textureQueryLevels({}))", texture); }};
switch (info.type) {
case TextureType::Color1D:
return ctx.AddU32x4(
"{}=uvec4(uint(textureSize({},int({}))),0u,0u,uint(textureQueryLevels({})));", inst,
texture, lod, texture);
return ctx.AddU32x4("{}=uvec4(uint(textureSize({},int({}))),0u,0u,{});", inst, texture, lod,
mips());
case TextureType::ColorArray1D:
case TextureType::Color2D:
case TextureType::ColorCube:
case TextureType::Color2DRect:
return ctx.AddU32x4(
"{}=uvec4(uvec2(textureSize({},int({}))),0u,uint(textureQueryLevels({})));", inst,
texture, lod, texture);
return ctx.AddU32x4("{}=uvec4(uvec2(textureSize({},int({}))),0u,{});", inst, texture, lod,
mips());
case TextureType::ColorArray2D:
case TextureType::Color3D:
case TextureType::ColorArrayCube:
return ctx.AddU32x4(
"{}=uvec4(uvec3(textureSize({},int({}))),uint(textureQueryLevels({})));", inst, texture,
lod, texture);
return ctx.AddU32x4("{}=uvec4(uvec3(textureSize({},int({}))),{});", inst, texture, lod,
mips());
case TextureType::Buffer:
throw NotImplementedException("EmitImageQueryDimensions Texture buffers");
}