glslang/Test/spv.atomic.comp
John Kessenich 2d0cc786f3 SPV: Turn on atomic-storage functionality for SPIR-V.
This is used by OpenGL, but not Vulkan.
Includes:
 - atomicCounter, atomicIncrement, atomicCounterDecrement
 - atomic_uint layout-offset checking
 - AtomicStorage capability
2016-07-07 17:40:35 -06:00

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#version 450
layout(binding = 0) uniform atomic_uint counter;
layout(binding = 0, offset = 4) uniform atomic_uint countArr[4];
shared uint value;
int arrX[gl_WorkGroupSize.x];
int arrY[gl_WorkGroupSize.y];
int arrZ[gl_WorkGroupSize.z];
uint func(atomic_uint c)
{
return atomicCounterIncrement(c);
}
void main()
{
memoryBarrierAtomicCounter();
func(counter);
uint val = atomicCounter(countArr[2]);
atomicCounterDecrement(counter);
atomicCounterIncrement(counter);
}
shared int atomi;
shared uint atomu;
layout (std140, binding = 0) restrict buffer dataSSB
{
float f;
ivec4 n_frames_rendered;
} result;
void atoms()
{
int origi = atomicAdd(atomi, 3);
uint origu = atomicAnd(atomu, value);
origu = atomicOr(atomu, 7u);
origu = atomicXor(atomu, 7u);
origu = atomicMin(atomu, value);
origi = atomicMax(atomi, 7);
origi = atomicExchange(atomi, origi);
origu = atomicCompSwap(atomu, 10u, value);
atomicAdd(result.n_frames_rendered.z, 1);
}