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TheRock/compiler/amd-llvm/clang/test/CodeGenHLSL/resources/Texture2D-CalculateLevelOfDetail.hlsl
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

45 lines
4.0 KiB
HLSL

// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-library -x hlsl -emit-llvm -disable-llvm-passes -finclude-default-header -o - %s | llvm-cxxfilt | FileCheck %s --check-prefixes=CHECK,DXIL
// RUN: %clang_cc1 -triple spirv-vulkan-library -x hlsl -emit-llvm -disable-llvm-passes -finclude-default-header -o - %s | llvm-cxxfilt | FileCheck %s --check-prefixes=CHECK,SPIRV
Texture2D t;
SamplerState s;
// CHECK: define hidden {{.*}} float @test_lod(float vector[2])(<2 x float> {{.*}} %[[LOC:.*]])
// CHECK: %[[CALL:.*]] = call {{.*}} float @hlsl::Texture2D<float vector[4]>::CalculateLevelOfDetail(hlsl::SamplerState, float vector[2])(ptr {{.*}} @t, ptr {{.*}} byval(%"class.hlsl::SamplerState") {{.*}}, <2 x float> {{.*}} %{{.*}})
// CHECK: ret float %[[CALL]]
float test_lod(float2 loc : LOC) : SV_Target {
return t.CalculateLevelOfDetail(s, loc);
}
// CHECK: define linkonce_odr hidden {{.*}} float @hlsl::Texture2D<float vector[4]>::CalculateLevelOfDetail(hlsl::SamplerState, float vector[2])(ptr {{.*}} %[[THIS:[^,]+]], ptr {{.*}} byval(%"class.hlsl::SamplerState") {{.*}} %[[SAMPLER:[^,]+]], <2 x float> {{.*}} %[[COORD:[^)]+]])
// CHECK: %[[THIS_VAL:.*]] = load ptr, ptr %[[THIS]]
// CHECK: %[[HANDLE_GEP:.*]] = getelementptr inbounds nuw %"class.hlsl::Texture2D", ptr %[[THIS_VAL]], i32 0, i32 0
// CHECK: %[[HANDLE:.*]] = load target{{.*}}, ptr %[[HANDLE_GEP]]
// CHECK: %[[SAMPLER_GEP:.*]] = getelementptr inbounds nuw %"class.hlsl::SamplerState", ptr %[[SAMPLER]], i32 0, i32 0
// CHECK: %[[SAMPLER_H:.*]] = load target{{.*}}, ptr %[[SAMPLER_GEP]]
// CHECK: %[[COORD_VAL:.*]] = load <2 x float>, ptr %[[COORD]]
// DXIL: %[[RES:.*]] = call {{.*}} float @llvm.dx.resource.calculate.lod.tdx.Texture_v4f32_0_0_0_2t.tdx.Sampler_0t.v2f32(target("dx.Texture", <4 x float>, 0, 0, 0, 2) %[[HANDLE]], target("dx.Sampler", 0) %[[SAMPLER_H]], <2 x float> %[[COORD_VAL]])
// SPIRV: %[[RES:.*]] = call {{.*}} float @llvm.spv.resource.calculate.lod.f32.tspirv.Image_f32_1_2_0_0_1_0t.tspirv.Samplert.v2f32(target("spirv.Image", float, 1, 2, 0, 0, 1, 0) %[[HANDLE]], target("spirv.Sampler") %[[SAMPLER_H]], <2 x float> %[[COORD_VAL]])
// CHECK: ret float %[[RES]]
// CHECK: define hidden {{.*}} float @test_lod_unclamped(float vector[2])(<2 x float> noundef nofpclass(nan inf) %[[LOC:.*]])
// CHECK: %[[LOC_VAL:.*]] = load <2 x float>, ptr {{.*}}
// CHECK: %[[CALL:.*]] = call {{.*}} float @hlsl::Texture2D<float vector[4]>::CalculateLevelOfDetailUnclamped(hlsl::SamplerState, float vector[2])(ptr {{.*}} @t, ptr {{.*}} byval(%"class.hlsl::SamplerState") {{.*}}, <2 x float> {{.*}} %[[LOC_VAL]])
// CHECK: ret float %[[CALL]]
float test_lod_unclamped(float2 loc : LOC) : SV_Target {
return t.CalculateLevelOfDetailUnclamped(s, loc);
}
// CHECK: define linkonce_odr hidden {{.*}} float @hlsl::Texture2D<float vector[4]>::CalculateLevelOfDetailUnclamped(hlsl::SamplerState, float vector[2])(ptr {{.*}} %[[THIS:[^,]+]], ptr {{.*}} byval(%"class.hlsl::SamplerState") {{.*}} %[[SAMPLER:[^,]+]], <2 x float> {{.*}} %[[COORD:[^)]+]])
// CHECK: %[[THIS_VAL:.*]] = load ptr, ptr %[[THIS]]
// CHECK: %[[HANDLE_GEP:.*]] = getelementptr inbounds nuw %"class.hlsl::Texture2D", ptr %[[THIS_VAL]], i32 0, i32 0
// CHECK: %[[HANDLE:.*]] = load target{{.*}}, ptr %[[HANDLE_GEP]]
// CHECK: %[[SAMPLER_GEP:.*]] = getelementptr inbounds nuw %"class.hlsl::SamplerState", ptr %[[SAMPLER]], i32 0, i32 0
// CHECK: %[[SAMPLER_H:.*]] = load target{{.*}}, ptr %[[SAMPLER_GEP]]
// CHECK: %[[COORD_VAL:.*]] = load <2 x float>, ptr %[[COORD]]
// DXIL: %[[RES:.*]] = call {{.*}} float @llvm.dx.resource.calculate.lod.unclamped.tdx.Texture_v4f32_0_0_0_2t.tdx.Sampler_0t.v2f32(target("dx.Texture", <4 x float>, 0, 0, 0, 2) %[[HANDLE]], target("dx.Sampler", 0) %[[SAMPLER_H]], <2 x float> %[[COORD_VAL]])
// SPIRV: %[[RES:.*]] = call {{.*}} float @llvm.spv.resource.calculate.lod.unclamped.f32.tspirv.Image_f32_1_2_0_0_1_0t.tspirv.Samplert.v2f32(target("spirv.Image", float, 1, 2, 0, 0, 1, 0) %[[HANDLE]], target("spirv.Sampler") %[[SAMPLER_H]], <2 x float> %[[COORD_VAL]])
// CHECK: ret float %[[RES]]