Add support for FREX flawless frames, failed attempt to fix intel igpus

src/main/resources/assets/voxy/shaders/util/prefixsum/inital3.comp

@@ -43,12 +43,20 @@ void main() {
 
     barrier();
 
+    #ifdef IS_INTEL
+    uint val = subgroupExclusiveAdd(warpPrefixSum[gl_SubgroupInvocationID]);
+    barrier();
+    if (gl_SubgroupID == 0) {
+        warpPrefixSum[gl_SubgroupInvocationID] = val;
+    }
+    #else
     if (gl_SubgroupID == 0) {
         uint val = warpPrefixSum[gl_SubgroupInvocationID];
         subgroupBarrier();
         //Use warp to do entire add in 1 reduction
         warpPrefixSum[gl_SubgroupInvocationID] = subgroupExclusiveAdd(val);
     }
+    #endif
 
     barrier();
     //Add the computed sum across all threads and warps