yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

James Helferty (NVIDIA)Implement IFloat.scale for vectors, matrices (#7545)61c9eb3a9

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1//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -compute -output-using-type
2//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-hlsl -compute -output-using-type
3//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-metal -compute -output-using-type
4//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-wgpu -compute -output-using-type
5
6// CHECK: 1210.0
7
8//TEST_INPUT:ubuffer(data=[0 0 0], stride=4):out,name=outputBuffer
9RWStructuredBuffer<float> outputBuffer;
10
11// Use of IFloat.scale used to cause an internal compiler error
12func double_it<T: IFloat>(value: T) -> T {
13    return value.scale(2.0);
14}
15
16[numthreads(1, 1, 1)]
17[shader("compute")]
18void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
19{
20    let mat = matrix<float,4,4>(1,0,0,1, 0,1,1,0, 0,0,1,0, 0,0,0,1);
21    let vi = vector<float,4>(100,100,100,100);
22    let dm = double_it(mat);
23    let dm_sum = dot(dm[0], vi) + dot(dm[1], vi) + dot(dm[2], vi) + dot(dm[3], vi);
24    outputBuffer[dispatchThreadID.x] = double_it(float2(1.0, 2.0)).x + double_it(4.0) + dm_sum;
25}
26