yum-mirror/slang

Making it easier to work with shaders

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

CopilotFix WGSL sign function to return correct int type instead of float (#7739)a8519e68b

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1// sign-wgsl.slang
2
3//TEST:SIMPLE(filecheck=WGSL): -target wgsl -entry main -stage compute
4
5// Test that sign function returns correct type for WGSL
6// WGSL's sign returns float but Slang's sign should return int
7
8struct OutputBuffer
9{
10    int scalar_result;
11    int2 vector_result;
12};
13
14[[vk::binding(0, 0)]]
15RWStructuredBuffer<OutputBuffer> outputBuffer;
16
17[numthreads(1, 1, 1)]
18void main()
19{
20    // Test scalar sign function
21    int scalar_result = sign(0.5);
22    
23    // Test vector sign function  
24    int2 vector_result = sign(float2(1.5, -0.5));
25    
26    outputBuffer[0].scalar_result = scalar_result;
27    outputBuffer[0].vector_result = vector_result;
28    
29    // WGSL-DAG: i32(sign(
30    // WGSL-DAG: vec2<i32>(sign((vec2<f32>
31}