yum-mirror/slang

Making it easier to work with shaders

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

Yong He[WGSL] Enable arbitrary arrays in uniform buffers. (#5497)b86703432

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1// non-square-row-major.slang
2
3// Note! This test doesn't work on CUDA or CPU targets, because both these targets 
4// assume matrices are tightly packed, whereas GPU targets align rows to 16 bytes.
5
6//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=ALIGNED):-slang -compute -wgpu -output-using-type -xslang -matrix-layout-row-major -shaderobj
7//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=PACKED):-cpu -compute -output-using-type -compile-arg -O3 -xslang -matrix-layout-row-major -shaderobj
8//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=ALIGNED):-slang -compute -output-using-type -xslang -matrix-layout-row-major -shaderobj
9//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=ALIGNED):-slang -compute -dx12 -output-using-type -xslang -matrix-layout-row-major -shaderobj
10//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=ALIGNED):-vk -compute -output-using-type -xslang -matrix-layout-row-major -shaderobj
11//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=PACKED):-cuda -compute -output-using-type -xslang -matrix-layout-row-major -shaderobj
12//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=PACKED): -slang -output-using-type -shaderobj -mtl
13
14// matrix<R, C>
15//TEST_INPUT:cbuffer(data=[1.0 2.0 3.0 4.0 5.0 6.0 0.0 0.0  10.0 20.0 0.0 0.0 ]):name matrixBuffer
16ConstantBuffer<float3x2> matrixBuffer;
17
18//TEST_INPUT:ubuffer(data=[0 0], stride=4):out,name output
19RWStructuredBuffer<float> output;
20
21[numthreads(1, 1, 1)]
22void computeMain(uint3 tid : SV_DispatchThreadID)
23{
24    float3 v = float3(1, 2, 1);
25
26    float3x2 M = matrixBuffer;
27    
28    float2 r = mul(v, M);
29
30    // ALIGNED: 21
31    // ALIGNED: 34
32
33    // PACKED: 12
34    // PACKED: 16
35    output[0] = r.x;
36    output[1] = r.y;
37}