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//TEST:SIMPLE(filecheck=SPIRV):-target spirv-assembly -entry fragmentMain -stage fragment -emit-spirv-via-glsl
//TEST:SIMPLE(filecheck=SPIRV):-target spirv -entry fragmentMain -stage fragment
//DISABLED_TEST:SIMPLE(filecheck=SPIRV):-target spirv-assembly -entry fragmentMain -stage fragment -DENABLE_CLAMP -emit-spirv-directly
//DISABLED_TEST:SIMPLE(filecheck=DXIL):-target dxil-assembly -entry fragmentMain -stage fragment
//TEST:SIMPLE(filecheck=HLSL):-target hlsl -entry fragmentMain -stage fragment
// TODO: The SPIRV test is fine locally, but seems to lead to an impossible to debug hang in CI
//DISABLED_TEST:SIMPLE:-target spirv-assembly -entry fragmentMain -stage fragment
//DISABLED_TEST:SIMPLE:-target dxil-assembly -entry fragmentMain -stage fragment
//DISABLED_TEST:SIMPLE:-target hlsl -entry fragmentMain -stage fragment
// In order to make sure that all of the data produced in each
// query is referenced (and thus cannot be DCE'd away), we maintain
// single accumulator that will have the bits of each query result
// mixed into it.
void accumulate(inout uint r, uint u)
{
r = r ^ u;
}
void accumulate(inout uint r, bool b)
{
accumulate(r, uint(b));
}
void accumulate(inout uint r, uint2 u)
{
accumulate(r, u.x);
accumulate(r, u.y);
}
void accumulate(inout uint r, uint3 u)
{
accumulate(r, u.x);
accumulate(r, u.y);
accumulate(r, u.z);
}
void accumulate(inout uint r, TextureFootprint2D f)
{
accumulate(r, f.anchor);
accumulate(r, f.offset);
accumulate(r, f.mask);
accumulate(r, f.lod);
accumulate(r, f.granularity);
accumulate(r, f.isSingleLevel);
}
uniform Texture2D texture;
uniform SamplerState sampler;
uniform RWStructuredBuffer<uint> outputBuffer;
cbuffer Uniforms
{
uniform float2 coords;
uniform uint granularity;
};
void fragmentMain(
float v : VARYING)
{
uint index = uint(v);
uint r = 0;
accumulate(r, texture.queryFootprintCoarse(granularity, sampler, coords));
// SPIRV: OpExtension "SPV_NV_shader_image_footprint"
// SPIRV: OpImageSampleFootprintNV
// HLSL: NvFootprintCoarse
outputBuffer[index] = r;
}
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