72a2ec4c1b
* Fix '--msl-multi-patch-workgroup' cases where thread count exceeds data bounds *Fix gl_PrimitiveID off by one error when computing last valid index *Point gl_out to the last patch's data when threads exceed input data bounds *Point patchOut to the last patch's data when threads exceed input data bounds * Update MSL test expectations. * Undo change to MSL multi-patch hull output bound checks * Update MSL multi-patch test expectations.
25 lines
880 B
GLSL
25 lines
880 B
GLSL
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct TessLevels
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{
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float inner0;
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float inner1;
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float outer0;
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float outer1;
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float outer2;
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float outer3;
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};
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kernel void main0(const device TessLevels& sb_levels [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], constant uint* spvIndirectParams [[buffer(29)]], device MTLTriangleTessellationFactorsHalf* spvTessLevel [[buffer(26)]])
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{
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uint gl_PrimitiveID = min(gl_GlobalInvocationID.x / 1, spvIndirectParams[1] - 1);
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spvTessLevel[gl_PrimitiveID].insideTessellationFactor = half(sb_levels.inner0);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[0] = half(sb_levels.outer0);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[1] = half(sb_levels.outer1);
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spvTessLevel[gl_PrimitiveID].edgeTessellationFactor[2] = half(sb_levels.outer2);
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}
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