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| author | Hans-Kristian Arntzen <post@arntzen-software.no> | 2021-10-25 11:55:11 +0300 |
|---|---|---|
| committer | Hans-Kristian Arntzen <post@arntzen-software.no> | 2021-10-25 11:55:11 +0300 |
| commit | edf247fb1c632a0c4487207a51151bd1f7f8aef5 (patch) | |
| tree | 9c7c909f2b400d0a2dad9d8f2a9f146241fe072c /reference/opt/shaders-msl | |
| parent | 43eecb23603a5eccaefdc423a8b488931609c85f (diff) | |
MSL: Workaround compiler crashes when using threadgroup bool.
Promote to short instead and do simple casts on load/store instead.
Not 100% complete fix since structs can contain booleans, but this is
getting into pretty ridiculously complicated territory.
Diffstat (limited to 'reference/opt/shaders-msl')
| -rw-r--r-- | reference/opt/shaders-msl/comp/threadgroup-boolean-workaround.comp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/reference/opt/shaders-msl/comp/threadgroup-boolean-workaround.comp b/reference/opt/shaders-msl/comp/threadgroup-boolean-workaround.comp new file mode 100644 index 00000000..8b80929a --- /dev/null +++ b/reference/opt/shaders-msl/comp/threadgroup-boolean-workaround.comp @@ -0,0 +1,20 @@ +#include <metal_stdlib> +#include <simd/simd.h> + +using namespace metal; + +struct SSBO +{ + float4 values[1]; +}; + +constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(4u, 1u, 1u); + +kernel void main0(device SSBO& _23 [[buffer(0)]], uint gl_LocalInvocationIndex [[thread_index_in_threadgroup]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]]) +{ + threadgroup short4 foo[4]; + foo[gl_LocalInvocationIndex] = short4((isunordered(_23.values[gl_GlobalInvocationID.x], float4(10.0)) || _23.values[gl_GlobalInvocationID.x] != float4(10.0))); + threadgroup_barrier(mem_flags::mem_threadgroup); + _23.values[gl_GlobalInvocationID.x] = select(float4(40.0), float4(30.0), bool4(foo[gl_LocalInvocationIndex ^ 3u])); +} + |