yum-mirror/slang

Making it easier to work with shaders

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

Anders LeinoRefresh of disabled WGPU tests (#5614)93f5d13fc

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1// func-resource-result-simple.slang
2
3//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
4//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj
5// Not supported in WGSL: Arrays of textures or buffers
6//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-wgpu
7
8// Test that a function that returns a resource type can be
9// compiled for targets that don't natively support resource
10// return values.
11
12//TEST_INPUT:set textures=[Texture2D(size=4, content = zero), Texture2D(size=4, content = one)]
13Texture2D textures[2];
14
15//TEST_INPUT:set sampler=Sampler
16SamplerState sampler;
17
18Texture2D getTex(int index)
19{
20    Texture2D result;
21    // Note: `index` here will need to be a compile time constant in order to generate
22    // valid GLSL. If constant folding and function inlining are all done correctly
23    // we should be able to compile this.
24    if (index == 0)
25        result = textures[1];
26    else
27        result = textures[0];
28    return result;
29}
30
31int test(int val)
32{
33    // Make sure index is a compile-time constant.
34	return getTex(int(0.0) + 1*2 < 5 ? 0 : 1).SampleLevel(sampler, float2(0,0), 0).x == 0.0 ? 0 : 1;
35}
36
37//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
38RWStructuredBuffer<int> outputBuffer;
39
40[numthreads(4, 1, 1)]
41void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
42{
43    int tid = dispatchThreadID.x;
44    int inVal = tid;
45    int outVal = test(inVal);
46    outputBuffer[tid] = outVal;
47}