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shader,spirv: Implement ImageQueryLod.

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This commit is contained in:
FernandoS27
2021-03-28 19:47:52 +02:00
committed by ameerj
parent 2c276ec6eb
commit 613b48c4a2
9 changed files with 38 additions and 1 deletions
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15
src/shader_recompiler/backend/spirv/emit_spirv_image.cpp
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@ -161,6 +161,10 @@ Id EmitBindlessImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBindlessImageQueryLod(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBoundImageSampleImplicitLod(EmitContext&) {
throw LogicError("Unreachable instruction");
}
@ -193,6 +197,10 @@ Id EmitBoundImageQueryDimensions(EmitContext&) {
throw LogicError("Unreachable instruction");
}
Id EmitBoundImageQueryLod(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>()};
@ -287,4 +295,11 @@ Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& i
throw LogicError("Unspecified image type {}", info.type.Value());
}
Id EmitImageQueryLod(EmitContext& ctx, IR::Inst*, const IR::Value& index, Id coords) {
const Id zero{ctx.f32_zero_value};
const Id image{TextureImage(ctx, index)};
return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], image, coords),
zero, zero);
}
} // namespace Shader::Backend::SPIRV