yum-mirror/slang

Making it easier to work with shaders

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

Ellie HermaszewskaAllow bitwise or expressions and numeric literals in spirv_asm blocks (#3157)508dc3a95

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1//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -shaderobj -emit-spirv-directly
2
3//TEST_INPUT:ubuffer(data=[1 2 3 4], stride=4):out,name=outputBuffer
4RWStructuredBuffer<int> outputBuffer;
5
6// CHECK:      2
7// CHECK-NEXT: 4
8// CHECK-NEXT: 6
9// CHECK-NEXT: 8
10
11//
12// This test tests that we correctly wrap constants in ids when required and
13// can look up names through that wrapped operand kind
14//
15[numthreads(4, 1, 1)]
16void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
17{
18    int i = dispatchThreadID.x;
19    int n = outputBuffer[i];
20    int r = spirv_asm
21    {
22        OpConstant $$int %two 2;
23        // A dummy barrier, this tests that we can look up these names without
24        // their Scope and MemorySemantics prefixes, and correctly wrap them in
25        // OpConstant.
26        OpMemoryBarrier Invocation
27            // Test that an unqualified enum works
28              AcquireRelease
29            // Test that a decimal integer literal works
30            | 64
31            // Test that a hex integer literal works
32            | 0x800
33            // Test that an explicit scope works
34            | MemorySemanticsAtomicCounterMemory;
35        OpIMul $$int result $n %two
36    };
37    outputBuffer[i] = r;
38}