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Use shader subgroup extensions if shader ballot is not supported (#2627)

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* Use shader subgroup extensions if shader ballot is not supported

* Shader cache version bump + cleanup

* The type is still required on the table
This commit is contained in:
gdkchan
2021-09-19 09:38:39 -03:00
committed by GitHub
parent 7379bc2f39
commit f08a280ade
16 changed files with 125 additions and 42 deletions
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6
Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl
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@ -2,10 +2,10 @@ float Helper_ShuffleDown(float x, uint index, uint mask, out bool valid)
{
uint clamp = mask & 0x1fu;
uint segMask = (mask >> 8) & 0x1fu;
uint minThreadId = gl_SubGroupInvocationARB & segMask;
uint minThreadId = $SUBGROUP_INVOCATION$ & segMask;
uint maxThreadId = minThreadId | (clamp & ~segMask);
uint srcThreadId = gl_SubGroupInvocationARB + index;
uint srcThreadId = $SUBGROUP_INVOCATION$ + index;
valid = srcThreadId <= maxThreadId;
float v = readInvocationARB(x, srcThreadId);
float v = $SUBGROUP_BROADCAST$(x, srcThreadId);
return valid ? v : x;
}