yum-mirror/slang

Making it easier to work with shaders

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sricker-nvidiaFix broken -emit-spirv-via-glsl test option (#7091)b39ec87cc

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1//TEST:SIMPLE(filecheck=CHECK): -target spirv
2//TEST(compute, vulkan):COMPARE_COMPUTE(filecheck-buffer=BUF):-vk -output-using-type -emit-spirv-directly
3
4// CHECK: %[[C0:[0-9A-Za-z_]+]] = OpSpecConstant %int 4
5// CHECK: %[[I1:[0-9A-Za-z_]+]] = OpConstant %int 1
6// CHECK: %[[COP0:[0-9A-Za-z_]+]] = OpSpecConstantOp %int BitwiseAnd %[[C0]] %[[I1]]
7// CHECK: %[[I2:[0-9A-Za-z_]+]] = OpConstant %int 2
8// CHECK: %[[COP1:[0-9A-Za-z_]+]] = OpSpecConstantOp %int BitwiseOr %[[COP0]] %[[I2]]
9// CHECK: %[[COP2:[0-9A-Za-z_]+]] = OpSpecConstantOp %int IAdd %[[I1]] %[[COP1]]
10// CHECK: %[[COP3:[0-9A-Za-z_]+]] = OpSpecConstantOp %int ShiftLeftLogical %[[C0]] %[[COP2]]
11// CHECK: %[[ARR_TYPE:[0-9A-Za-z_]+]] = OpTypeArray %float %[[COP3]]
12// CHECK: %[[PT_TYPE:[0-9A-Za-z_]+]] = OpTypePointer Function %[[ARR_TYPE]]
13
14[SpecializationConstant]
15const int constValue0 = 4;
16
17//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=outputBuffer
18RWStructuredBuffer<float> outputBuffer;
19
20static const int size = constValue0 << (1 + (constValue0 & 0x01 | 0x02));   // 4 << 3 = 32
21
22// This test is to verify that if two array has the same spec constant size, they are the same type.
23void func(out float buffer[constValue0 << (1 + (constValue0 & 0x01 | 0x02))], int idx)
24{
25    for (uint i = 0; i < size; i++)
26    {
27        buffer[i] = i;
28    }
29}
30
31[shader("compute")]
32[numthreads(1, 1, 1)]
33void computeMain(uint tid:SV_DispatchThreadID)
34{
35    float buffer[constValue0 << (1 + (constValue0 & 0x01 | 0x02))];
36    // CHECK: OpVariable %[[PT_TYPE]] Function
37
38    func(buffer, tid);
39
40    float temp = buffer[0];
41    for (uint i = 0; i < size; i++)
42    {
43        temp += buffer[i] * 2;
44    }
45    // Result will be (0 + size-1) * size = (0 + 31) * 32 * 2 = 992
46    outputBuffer[0] = temp;
47    // BUF: 992
48}