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Address glslang ordering requirments for 'derivative_group_*NV' (shad…
…er-slang#4323) * Address glslang ordering requirments for 'derivative_group_*NV' fixes: shader-slang#4305 The solution is to emit some `layout`s after a module source is emitted. Added to slangs gfx backend code to enable the compute shader derivative extension for testing purposes. * address review * enable removed test --------- Co-authored-by: Yong He <yonghe@outlook.com>
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Original file line number | Diff line number | Diff line change |
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//TEST:SIMPLE(filecheck=CHECK): -stage compute -entry computeMain -target glsl -allow-glsl -DQUAD -DMODIFIER | ||
//TEST:SIMPLE(filecheck=CHECK): -stage compute -entry computeMain -target glsl -allow-glsl -DMODIFIER | ||
//TEST:SIMPLE(filecheck=CHECK): -stage compute -entry computeMain -target glsl -allow-glsl -DQUAD | ||
//TEST:SIMPLE(filecheck=CHECK): -stage compute -entry computeMain -target glsl -allow-glsl | ||
//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -compute -entry computeMain -output-using-type -emit-spirv-via-glsl -allow-glsl -xslang -DQUAD | ||
//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -compute -entry computeMain -output-using-type -emit-spirv-via-glsl -allow-glsl | ||
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//TEST_INPUT: ubuffer(data=[0], stride=4):out,name outputBuffer | ||
RWStructuredBuffer<float> outputBuffer; | ||
//TEST_INPUT: Texture2D(size=4, content = one):name t2D | ||
Texture2D<float> t2D; | ||
//TEST_INPUT: Sampler:name samplerState | ||
SamplerState samplerState; | ||
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// "local_size_x" must appear before "derivative_group_" | ||
//CHECK:local_size_x | ||
//CHECK:derivative_group_{{.*}}NV | ||
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#ifndef MODIFIER | ||
#ifdef QUAD | ||
layout(derivative_group_quadsNV) in; | ||
#else | ||
layout(derivative_group_linearNV) in; | ||
#endif // #ifdef QUAD | ||
layout(local_size_x = 2, local_size_y = 2, local_size_z = 1) in; | ||
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#else | ||
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#ifdef QUAD | ||
[DerivativeGroupQuad] | ||
#else | ||
[DerivativeGroupLinear] | ||
#endif // #ifdef QUAD | ||
[numthreads(2, 2, 1)] | ||
#endif //#ifndef MODIFIER | ||
void computeMain() | ||
{ | ||
//BUF:1 | ||
outputBuffer[0] = t2D.Sample(samplerState, float2(0.5, 0.5)); | ||
} |
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