blob: f9602a948a73b4fb65134f6694f0d163e16f14a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
//TEST:SIMPLE(filecheck=CHECK):-target spirv -entry computeMain -stage compute -emit-spirv-directly
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
RWStructuredBuffer<float> outputBuffer;
//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):name=workBuffer
RWStructuredBuffer<half2> workBuffer;
[numthreads(1, 1, 1)]
void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
{
half2 originalValue;
// Direct atomic operation on half2 should trigger the SPV_NV_shader_atomic_fp16_vector extension
originalValue = __atomic_add(workBuffer[0], half2(1.0h, 2.0h));
outputBuffer[0] = float(originalValue.x);
outputBuffer[1] = float(originalValue.y);
}
// CHECK: OpCapability AtomicFloat16VectorNV
// CHECK: OpExtension "SPV_NV_shader_atomic_fp16_vector"
|
