tests/glsl-intrinsic/shader-invocation-control/shader-invocation-control.slang


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//TEST:SIMPLE(filecheck=CHECK_GLSL):  -allow-glsl -stage compute -entry computeMain -target glsl
//TEST:SIMPLE(filecheck=CHECK_SPV):  -allow-glsl -stage compute -entry computeMain -target spirv -emit-spirv-directly
//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -compute -entry computeMain -allow-glsl
//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -compute -entry computeMain -allow-glsl -emit-spirv-directly

#version 460

groupshared uint raceConditionShared;

//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=outputBuffer
buffer MyBlockName2
{
    uint data[];
} outputBuffer;

layout(local_size_x = 4) in;
bool testBarrier()
{
    for (int i = 0; i < 4; i++)
    {
        raceConditionShared = 3;
        barrier();
        raceConditionShared = 1;
        if (raceConditionShared != 1)
            return false;
    }
    return true
        && raceConditionShared == 1
        ;
}

void computeMain()
{
    outputBuffer.data[0] = true
        && testBarrier()
        ;
    // CHECK_GLSL: void main(
    // CHECK_SPV: OpEntryPoint
    // BUF: 1
}