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// WGSL supports "textureSample()" only in fragment shader
//TEST:SIMPLE(filecheck=WGSL): -stage fragment -entry fragMain -target wgsl
// TODO: offset variants requires the offset value to be compile-time constant
// But the keyword, `constexpr`, doesn't seem to work for the combined-textures
#define TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET 0
//WGSL:@binding(0) {{.*}}t1D_f32v3{{.*}} : texture_1d<f32>;
//WGSL:@binding(1) {{.*}}t1D_f32v3{{.*}} : sampler;
//TEST_INPUT: TextureSampler1D(size=4, content = zero):name t1D_f32v3
Sampler1D<float3> t1D_f32v3;
//WGSL:@binding(2) {{.*}}t2D_f32v3{{.*}} : texture_2d<f32>;
//WGSL:@binding(3) {{.*}}t2D_f32v3{{.*}} : sampler;
//TEST_INPUT: TextureSampler2D(size=4, content = zero):name t2D_f32v3
Sampler2D<float3> t2D_f32v3;
//TEST_INPUT: TextureSampler3D(size=4, content = zero):name t3D_f32v3
Sampler3D<float3> t3D_f32v3;
//TEST_INPUT: TextureSamplerCube(size=4, content = zero):name tCube_f32v3
SamplerCube<float3> tCube_f32v3;
//TEST_INPUT: TextureSampler1D(size=4, content = zero, arrayLength=2):name t1DArray_f32v3
Sampler1DArray<float3> t1DArray_f32v3;
//TEST_INPUT: TextureSampler2D(size=4, content = zero, arrayLength=2):name t2DArray_f32v3
Sampler2DArray<float3> t2DArray_f32v3;
//TEST_INPUT: TextureSamplerCube(size=4, content = zero, arrayLength=2):name tCubeArray_f32v3
SamplerCubeArray<float3> tCubeArray_f32v3;
//TEST_INPUT: TextureSampler1D(size=4, content = zero):name t1D_f32v4
Sampler1D<float4> t1D_f32v4;
//TEST_INPUT: TextureSampler2D(size=4, content = zero):name t2D_f32v4
Sampler2D<float4> t2D_f32v4;
//TEST_INPUT: TextureSampler3D(size=4, content = zero):name t3D_f32v4
Sampler3D<float4> t3D_f32v4;
//TEST_INPUT: TextureSamplerCube(size=4, content = zero):name tCube_f32v4
SamplerCube<float4> tCube_f32v4;
//TEST_INPUT: TextureSampler1D(size=4, content = zero, arrayLength=2):name t1DArray_f32v4
Sampler1DArray<float4> t1DArray_f32v4;
//TEST_INPUT: TextureSampler2D(size=4, content = zero, arrayLength=2):name t2DArray_f32v4
Sampler2DArray<float4> t2DArray_f32v4;
//TEST_INPUT: TextureSamplerCube(size=4, content = zero, arrayLength=2):name tCubeArray_f32v4
SamplerCubeArray<float4> tCubeArray_f32v4;
//TEST_INPUT: TextureSampler2D(size=4, content = zero):name d2D
Sampler2DShadow d2D;
//TEST_INPUT: TextureSamplerCube(size=4, content = zero):name dCube
SamplerCubeShadow dCube;
//TEST_INPUT: TextureSampler2D(size=4, content = zero, arrayLength=2):name d2DArray
Sampler2DArrayShadow d2DArray;
//TEST_INPUT: TextureSamplerCube(size=4, content = zero, arrayLength=2):name dCubeArray
SamplerCubeArrayShadow dCubeArray;
//TEST_INPUT: ubuffer(data=[0], stride=4):out,name outputBuffer
RWStructuredBuffer<int> outputBuffer;
bool TEST_texture<T>(
Sampler1D<T> t1D,
Sampler2D<T> t2D,
Sampler3D<T> t3D,
SamplerCube<T> tCube,
Sampler1DArray<T> t1DArray,
Sampler2DArray<T> t2DArray,
SamplerCubeArray<T> tCubeArray
) where T:ITexelElement,IArithmetic
{
// WGSL-LABEL: TEST_texture
typealias Tvn = T;
typealias Tv4 = vector<T.Element,4>;
float u = 0;
float u2 = 0.5;
constexpr const float ddx = 0.0f;
constexpr const float ddy = 0.0f;
bool result = true
// ===============================
// float CalculateLevelOfDetail()
// ===============================
// WGSL doesn't have a way to calculate mip-map level for the given coordinate
// ========================================
// float CalculateLevelOfDetailUnclamped()
// ========================================
// WGSL doesn't have a way to calculate mip-map level for the given coordinate
// ===========
// T Sample()
// https://www.w3.org/TR/WGSL/#texturesample
// ===========
// WGSL: textureSample({{\(*}}t1D
&& all(Tvn(T.Element(0)) == t1D.Sample(u))
// WGSL: textureSample({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.Sample(float2(u, u)))
// WGSL: textureSample({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.Sample(float3(u, u, u)))
// WGSL: textureSample({{\(*}}tCube
&& all(Tvn(T.Element(0)) == tCube.Sample(normalize(float3(u, 1 - u, u))))
// WGSL doesn't support textureSample for 1d_array and 3d_array; only 2d and cube
// WGSL: textureSample({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.Sample(float3(u, u, 0)))
// WGSL: textureSample({{\(*}}tCubeArray
&& all(Tvn(T.Element(0)) == tCubeArray.Sample(float4(normalize(float3(u, 1 - u, u)), 0)))
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// WGSL: textureSample({{\(*}}t1D
&& all(Tvn(T.Element(0)) == t1D.Sample(u, 1))
// WGSL: textureSample({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.Sample(float2(u, u), int2(1, 1)))
// WGSL: textureSample({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.Sample(float3(u, u, u), int3(1, 1, 1)))
// WGSL doesn't support offset variant for cube and cube_array
// WGSL: textureSample({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.Sample(float3(u, u, 0), int2(1, 1)))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// ===============
// T SampleBias()
// https://www.w3.org/TR/WGSL/#texturesamplebias
// ===============
// WGSL doesn't support Bias for 1D texture
// WGSL: textureSampleBias({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.SampleBias(float2(u, u), float(-1)))
// WGSL: textureSampleBias({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.SampleBias(float3(u, u, u), float(-1)))
// WGSL: textureSampleBias({{\(*}}tCube
&& all(Tvn(T.Element(0)) == tCube.SampleBias(normalize(float3(u, 1 - u, u)), float(-1)))
// WGSL: textureSampleBias({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.SampleBias(float3(u, u, 0), float(-1)))
// WGSL: textureSampleBias({{\(*}}tCubeArray
&& all(Tvn(T.Element(0)) == tCubeArray.SampleBias(float4(normalize(float3(u, 1 - u, u)), 0), float(-1)))
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// W-GSL: textureSampleBias({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.SampleBias(float2(u, u), float(-1), int2(1, 1)))
// W-GSL: textureSampleBias({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.SampleBias(float3(u, u, u), float(-1), int3(1, 1, 1)))
// W-GSL: textureSampleBias({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.SampleBias(float3(u, u, 0), float(-1), int2(1, 1)))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// ===================================
// T SampleLevel()
// https://www.w3.org/TR/WGSL/#texturesamplelevel
// ===================================
// WGSL doesn't support textureSampleLevel for 1D texture
// WGSL: textureSampleLevel({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.SampleLevel(float2(u, u), 0))
// WGSL: textureSampleLevel({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.SampleLevel(float3(u, u, u), 0))
// WGSL: textureSampleLevel({{\(*}}tCube
&& all(Tvn(T.Element(0)) == tCube.SampleLevel(normalize(float3(u, 1 - u, u)), 0))
// WGSL: textureSampleLevel({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.SampleLevel(float3(u, u, 0), 0))
// WGSL: textureSampleLevel({{\(*}}tCubeArray
&& all(Tvn(T.Element(0)) == tCubeArray.SampleLevel(float4(normalize(float3(u, 1 - u, u)), 0), 0))
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// W-GSL: textureSampleLevel({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.SampleLevel(float2(u, u), 0, int2(1, 1)))
// W-GSL: textureSampleLevel({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.SampleLevel(float3(u, u, u), 0, int3(1, 1, 1)))
// W-GSL: textureSampleLevel({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.SampleLevel(float3(u, u, 0), 0, int2(1, 1)))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// ==================
// float SampleCmp()
// https://www.w3.org/TR/WGSL/#texturesamplecompare
// ==================
// WGSL: textureSampleCompare({{\(*}}d2D
&& float(0) == d2D.SampleCmp(float2(u, u), 0)
// WGSL: textureSampleCompare({{\(*}}d2DArray
&& float(0) == d2DArray.SampleCmp(float3(u, u, 0), 0)
// WGSL: textureSampleCompare({{\(*}}dCube
&& float(0) == dCube.SampleCmp(normalize(float3(u, 1 - u, u)), 0)
// WGSL: textureSampleCompare({{\(*}}dCubeArray
&& float(0) == dCubeArray.SampleCmp(float4(normalize(float3(u, 1 - u, u)), 0), 0)
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// W-GSL: textureSampleCompare({{\(*}}d2D
&& float(0) == d2D.SampleCmp(float2(u2, u), 0, int2(0, 0))
// W-GSL: textureSampleCompare({{\(*}}d2DArray
&& float(0) == d2DArray.SampleCmp(float3(u2, u, u), 0, int2(0, 0))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// ===================================
// float SampleCmpLevelZero()
// https://www.w3.org/TR/WGSL/#texturesamplecomparelevel
// ===================================
// WGSL: textureSampleCompareLevel({{\(*}}d2D
&& float(0) == d2D.SampleCmpLevelZero(float2(u, u), 0)
// WGSL: textureSampleCompareLevel({{\(*}}d2DArray
&& float(0) == d2DArray.SampleCmpLevelZero(float3(u, u, 0), 0)
// WGSL: textureSampleCompareLevel({{\(*}}dCube
&& float(0) == dCube.SampleCmpLevelZero(normalize(float3(u, 1 - u, u)), 0)
// WGSL: textureSampleCompareLevel({{\(*}}dCubeArray
&& float(0) == dCubeArray.SampleCmpLevelZero(float4(normalize(float3(u, 1-u, u)), 0), 0)
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// W-GSL: textureSampleCompareLevel({{\(*}}d2D
&& float(0) == d2D.SampleCmpLevelZero(float2(u2, u), 0, int2(0, 0))
// W-GSL: textureSampleCompareLevel({{\(*}}d2DArray
&& float(0) == d2DArray.SampleCmpLevelZero(float3(u2, u, u), 0, int2(0, 0))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// ==================================
// vector<T,4> Gather()
// https://www.w3.org/TR/WGSL/#texturegather
// ==================================
// WGSL: textureGather({{.*}}t2D
&& all(Tv4(T.Element(0)) == t2D.Gather(float2(u, u)))
// WGSL: textureGather({{.*}}tCube
&& all(Tv4(T.Element(0)) == tCube.Gather(normalize(float3(u, 1 - u, u))))
// WGSL: textureGather({{.*}}t2DArray
&& all(Tv4(T.Element(0)) == t2DArray.Gather(float3(u, u, 0)))
// WGSL: textureGather({{.*}}tCubeArray
&& all(Tv4(T.Element(0)) == tCubeArray.Gather(float4(normalize(float3(u, 1 - u, u)), 0)))
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// W-GSL: textureGather({{.*}}t2D
&& all(Tv4(T.Element(0)) == t2D.Gather(float2(u2, u), int2(0, 0)))
// W-GSL: textureGather({{.*}}t2DArray
&& all(Tv4(T.Element(0)) == t2DArray.Gather(float3(u2, u, 0), int2(0, 0)))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// =====================================
// T SampleGrad()
// https://www.w3.org/TR/WGSL/#texturesamplegrad
// =====================================
// WGSL doesn't support textureSampleGrad for 1D textures
// WGSL: textureSampleGrad({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.SampleGrad(float2(u, u), float2(ddx, ddx), float2(ddy, ddy)))
// WGSL: textureSampleGrad({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.SampleGrad(float3(u, u, u), float3(ddx, ddx, ddx), float3(ddy, ddy, ddy)))
// WGSL: textureSampleGrad({{\(*}}tCube
&& all(Tvn(T.Element(0)) == tCube.SampleGrad(normalize(float3(u, 1 - u, u)), float3(ddx, ddx, ddx), float3(ddy, ddy, ddy)))
// WGSL: textureSampleGrad({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.SampleGrad(float3(u, u, 0.0f), float2(ddx, ddx), float2(ddy, ddy)))
// WGSL: textureSampleGrad({{\(*}}tCubeArray
&& all(Tvn(T.Element(0)) == tCubeArray.SampleGrad(float4(normalize(float3(u, 1 - u, u)), 0), float3(ddx, ddx, ddx), float3(ddy, ddy, ddy)))
#if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
// Offset variant
// W-GSL: textureSampleGrad({{\(*}}t2D
&& all(Tvn(T.Element(0)) == t2D.SampleGrad(float2(u2, u), float2(ddx, ddx), float2(ddy, ddy), int2(0, 0)))
// W-GSL: textureSampleGrad({{\(*}}t3D
&& all(Tvn(T.Element(0)) == t3D.SampleGrad(float3(u2, u, u), float3(ddx, ddx, ddx), float3(ddy, ddy, ddy), int3(0, 0, 0)))
// W-GSL: textureSampleGrad({{\(*}}t2DArray
&& all(Tvn(T.Element(0)) == t2DArray.SampleGrad(float3(u2, u, 0.0f), float2(ddx, ddx), float2(ddy, ddy), int2(0, 0)))
#endif // #if TEST_WHEN_CONSTEXPR_WORKS_FOR_OFFSET
;
return result;
}
void fragMain()
{
bool result = true
&& TEST_texture<float3>(
t1D_f32v3,
t2D_f32v3,
t3D_f32v3,
tCube_f32v3,
t1DArray_f32v3,
t2DArray_f32v3,
tCubeArray_f32v3)
&& TEST_texture<float4>(
t1D_f32v4,
t2D_f32v4,
t3D_f32v4,
tCube_f32v4,
t1DArray_f32v4,
t2DArray_f32v4,
tCubeArray_f32v4)
;
outputBuffer[0] = int(result);
}
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