yum-mirror/slang

Making it easier to work with shaders

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

Yong HeSupport specialization constant on WGSL and Metal. (#5780)8ce7c6f69

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1//TEST(smoke,compute):COMPARE_COMPUTE: -shaderobj
2//TEST(smoke,compute):COMPARE_COMPUTE:-cpu -shaderobj
3
4// Use interface constraints on a generic parameter
5
6interface Helper
7{
8	float getHelp();	
9}
10
11struct A : Helper
12{
13	float a;
14
15	float getHelp()
16	{
17		// TODO: we should be able to reference a member variable here,
18		// but the front-end isn't handling references through `this`
19		// properly yet.
20		return a;
21	}	
22};
23
24__generic<T : Helper>
25float testHelp(T helper)
26{
27	return helper.getHelp();
28}
29
30//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
31RWStructuredBuffer<float> outputBuffer;
32
33
34[numthreads(4, 1, 1)]
35void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
36{
37	uint tid = dispatchThreadID.x;
38	float inVal = float(tid);
39
40	A a;
41	a.a = inVal;
42	float outVal = testHelp<A>(a);
43
44	outputBuffer[tid] = outVal;
45}