yum-mirror/slang

Making it easier to work with shaders

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

Yong HeLower varying parameters as pointers instead of SSA values. (#5919)c43f6fa55

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1//TEST:SIMPLE(filecheck=CHECK): -target spirv
2
3// Test that we can use Optional<T> or bool types in varying input or outputs.
4
5// CHECK: OpDecorate %i_inA_value Location 0
6// CHECK: OpDecorate %i_inA_hasValue Location 1
7// CHECK: OpDecorate %entryPointParam_vertMain_a_value Location 0
8// CHECK: OpDecorate %entryPointParam_vertMain_a_hasValue Location 1
9
10struct VIn {
11    Optional<float> inA;
12}
13
14struct VSOut {
15    Optional<float> a;
16    bool outputValues[3];
17};
18
19[shader("vertex")]
20VSOut vertMain(VIn i)
21{
22    VSOut o;
23    if (i.inA.hasValue)
24        o.a = i.inA;
25    else
26        o.a = 0.0;
27    o.outputValues = { true, false, true };
28    return o;
29}