4b7c7dab9e
* Support multiple destination operands on shader IR and shuffle predicates * Cache version change
9 lines
No EOL
359 B
GLSL
9 lines
No EOL
359 B
GLSL
float Helper_ShuffleUp(float x, uint index, uint mask, out bool valid)
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{
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uint clamp = mask & 0x1fu;
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uint segMask = (mask >> 8) & 0x1fu;
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uint minThreadId = gl_SubGroupInvocationARB & segMask;
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uint srcThreadId = gl_SubGroupInvocationARB - index;
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valid = srcThreadId >= minThreadId;
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return valid ? readInvocationARB(x, srcThreadId) : x;
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} |