yum-mirror/slang
Making it easier to work with shaders
git clone https://git.yummers.dev/yum-mirror/slang
93f5d13fc
master
1// We can't test on VK or metal, as currently we don't support integer matrix types 2//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -vk 3//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj 4//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -cpu 5//DISABLE_TEST(compute):COMPARE_COMPUTE:-slang -shaderobj -mtl 6// Not supported in WGSL: Integer matrices 7//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-wgpu 8 9//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer 10RWStructuredBuffer<uint> outputBuffer; 11 12void silly<T : __BuiltinIntegerType, let ROWS : int, let COLS : int>(matrix<T, ROWS, COLS> a, inout matrix<T, ROWS, COLS> b) 13{ 14 b *= a; 15} 16 17void silly2<T : __BuiltinIntegerType, let ROWS : int, let COLS : int>(matrix<T, ROWS, COLS> a, out matrix<T, ROWS, COLS> b) 18{ 19 b = a; 20} 21 22 23[numthreads(4, 1, 1)] 24void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) 25{ 26 matrix<int, 2, 2> v = { 1, 2, 3, 4}; 27 matrix<uint, 2, 2> u = { 5, 6, 7, 8}; 28 29 int idx = int(dispatchThreadID.x); 30 31 matrix<uint, 2, 2> uidx = { idx, idx * idx, idx + idx, idx + 2 }; 32 33 v += uidx; 34 u += idx; 35 36 silly(u, v); 37 silly(v, u); 38 39 // Check that detects issues with undefined variables. 40 41 matrix<int, 2, 2> undef1, undef2; // undefined 42 // Downstream compilers detect this 43 //silly(u, undef1); 44 silly2(u, undef2); 45 46 matrix<uint, 2, 2> added = (u + v + undef2); 47 uint2 added2 = added[0] + added[1]; 48 49 outputBuffer[idx] = added2.x + added2.y; 50}