performance: FREE_BIT

Try · Aug 25, 2023 · 71cd040 · 71cd040
1 parent f3235d9
commit 71cd040
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Showing 3 changed files with 6 additions and 4 deletions.
diff --git a/shader/lighting/rt/probe_allocation.comp b/shader/lighting/rt/probe_allocation.comp
@@ -152,6 +152,7 @@ void main_gc() {
   if((probe[probeId].bits & REUSE_BIT)!=0)
     return;
 
+  probe[probeId].bits |= FREE_BIT;
   const uint cursor = atomicAdd(freeList.cursor, 1);
   freeList.list[cursor] = probeId;
   }

diff --git a/shader/lighting/rt/probe_common.glsl b/shader/lighting/rt/probe_common.glsl
@@ -5,9 +5,10 @@ struct Hash {
   uint value;
   };
 
-const uint BAD_BIT    = 0x1;
-const uint REUSE_BIT  = 0x2;
-const uint TRACED_BIT = 0x4;
+const uint FREE_BIT   = 0x1;
+const uint TRACED_BIT = 0x2;
+const uint REUSE_BIT  = 0x4;
+const uint BAD_BIT    = 0x8;
 
 struct Probe {
   vec3 pos;

diff --git a/shader/lighting/rt/probe_trace.comp b/shader/lighting/rt/probe_trace.comp
@@ -167,7 +167,7 @@ void gather(const vec3 origin) {
 
 void processProbe(const uint probeId) {
   const uint laneId  = gl_LocalInvocationIndex;
-  const bool cached  = ((probe[probeId].bits & TRACED_BIT)!=0);
+  const bool cached  = ((probe[probeId].bits & (TRACED_BIT | FREE_BIT))!=0);
 
   barrier();
   if(cached) {