Fix out-of-bounds shader thread shuffle (#2605)

* Fix out-of-bounds shader thread shuffle

* Shader cache version bump

1 files changed, 3 insertions, 3 deletions

diff --git a/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl b/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl
index 4e74f217..0781678a 100644
--- a/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl
+++ b/Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl
@@ -1,9 +1,9 @@
 float Helper_ShuffleUp(float x, uint index, uint mask, out bool valid)
 {
-    uint clamp = mask & 0x1fu;
     uint segMask = (mask >> 8) & 0x1fu;
     uint minThreadId = gl_SubGroupInvocationARB & segMask;
     uint srcThreadId = gl_SubGroupInvocationARB - index;
-    valid = srcThreadId >= minThreadId;
-    return valid ? readInvocationARB(x, srcThreadId) : x;
+    valid = int(srcThreadId) >= int(minThreadId);
+    float v = readInvocationARB(x, srcThreadId);
+    return valid ? v : x;
 }
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