yum-mirror/slang

Making it easier to work with shaders

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

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 32
5// CHECK: %[[I2:[0-9A-Za-z_]+]] = OpConstant %int 2
6// CHECK: %[[COP0:[0-9A-Za-z_]+]] = OpSpecConstantOp %int SDiv %[[C0]] %[[I2]]
7// CHECK: %[[COP1:[0-9A-Za-z_]+]] = OpSpecConstantOp %int ShiftRightArithmetic %[[C0]] %[[I2]]
8// CHECK: %[[COP2:[0-9A-Za-z_]+]] = OpSpecConstantOp %int IAdd %[[COP0]] %[[COP1]]
9// CHECK: %[[ARR_TYPE:[0-9A-Za-z_]+]] = OpTypeArray %float %[[COP2]]
10// CHECK: %[[PT_TYPE:[0-9A-Za-z_]+]] = OpTypePointer Function %[[ARR_TYPE]]
11
12[SpecializationConstant]
13const int constValue0 = 32;
14
15//TEST_INPUT:ubuffer(data=[0 0], stride=4):out,name=outputBuffer
16RWStructuredBuffer<float> outputBuffer;
17
18static float g_buffer[constValue0 / 2 + (constValue0 >> 2)];
19
20[shader("compute")]
21[numthreads(1, 1, 1)]
22void computeMain()
23{
24    float buffer[constValue0 / 2 + (constValue0 >> 2)];
25    // CHECK: OpVariable %[[PT_TYPE]] Function
26
27    static const int size = constValue0 / 2 + (constValue0 >> 2);   // 16 + 8 = 24
28    for (uint i = 0; i < size; i++)
29    {
30        buffer[i] = i;
31        g_buffer[i] = i * 2;
32    }
33
34    float temp1 = 0.0f;
35    float temp2 = 0.0f;
36    for (uint i = 0; i < size; i++)
37    {
38        temp1 += buffer[i] * 2;
39        temp2 += g_buffer[i];
40    }
41
42    // Result will be (0 + size-1) * size = (0 + 23) * 24 = 552
43    outputBuffer[0] = temp1;
44    // BUF: 552
45
46    outputBuffer[1] = temp2;
47    // BUF-NEXT: 552
48}