diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/compute/matrix-layout-structured-buffer.slang | 51 | ||||
| -rw-r--r-- | tests/compute/matrix-layout-structured-buffer.slang.expected.txt | 12 |
2 files changed, 63 insertions, 0 deletions
diff --git a/tests/compute/matrix-layout-structured-buffer.slang b/tests/compute/matrix-layout-structured-buffer.slang new file mode 100644 index 000000000..fc46d7815 --- /dev/null +++ b/tests/compute/matrix-layout-structured-buffer.slang @@ -0,0 +1,51 @@ +// matrix-layout-structured-buffer.slang + +// This test is set up to confirm that `StructuredBuffer` types are +// always laid out column-major by fxc/dxc, even when row-major layout has been +// requested globally. +// +// This behavior should be considered a bug in Slang because either: +// +// 1. we should report reflection layout information that acknowledges this behavior, or +// 2. we should alter our HLSL output passed to fxc/dxc to provide consistent +// behavior that matches our reflection data. +// +// For now this test exists to document the situation. It's output can/should +// be updated if we decide to fix the underlying problem by taking option (2). +// + +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -xslang -matrix-layout-row-major +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -xslang -matrix-layout-column-major + + +//TEST_INPUT:ubuffer(data=[0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23], stride=48):dxbinding(0),glbinding(0) +RWStructuredBuffer<int3x4> gMatrices; + +int test(int val) +{ + int N = 256; + + int tmp = 0; + + tmp = tmp*N + gMatrices[val%2][(val )%3][(val )%4]; + tmp = tmp*N + gMatrices[val%2][(val+1)%3][(val )%4]; + tmp = tmp*N + gMatrices[val%2][(val )%3][(val+1)%4]; + tmp = tmp*N + val; + tmp = tmp + 0x80000000; + + return tmp; +} + +//TEST_INPUT:ubuffer(data=[0 0 0 0 0 0 0 0 0 0 0 0], stride=4):dxbinding(0),glbinding(1),out +RWStructuredBuffer<int> buffer; + +[numthreads(12, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + uint tid = dispatchThreadID.x; + + int val = tid; + val = test(val); + + buffer[tid] = val; +} diff --git a/tests/compute/matrix-layout-structured-buffer.slang.expected.txt b/tests/compute/matrix-layout-structured-buffer.slang.expected.txt new file mode 100644 index 000000000..18d8be654 --- /dev/null +++ b/tests/compute/matrix-layout-structured-buffer.slang.expected.txt @@ -0,0 +1,12 @@ +80010300 +90111301 +88060B02 +95160C03 +81020404 +910F1405 +86070906 +96170D07 +82000508 +8F101209 +87080A0A +97150E0B |