Prevent the spread of NaNs in the ircache

EmbarkStudios · Feb 16, 2024 · a4ffd34 · a4ffd34
1 parent 7120301
commit a4ffd34
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/assets/shaders/inc/reservoir.hlsl b/assets/shaders/inc/reservoir.hlsl
@@ -41,7 +41,7 @@ struct Reservoir1spp {
     }
 
     uint2 as_raw() {
-        return uint2(payload, pack_2x16f_uint(float2(M, W)));
+        return uint2(payload, pack_2x16f_uint(float2(M, max(0.0, W))));
     }
 
     bool update(float w, uint sample_payload, inout uint rng) {

diff --git a/assets/shaders/ircache/sum_up_irradiance.hlsl b/assets/shaders/ircache/sum_up_irradiance.hlsl
@@ -75,7 +75,7 @@ void main(uint dispatch_idx: SV_DispatchThreadID) {
             ircache_irradiance_buf[entry_idx * IRCACHE_IRRADIANCE_STRIDE + basis_i]
             * frame_constants.pre_exposure_delta;
 
-        const bool should_reset = all(0.0 == prev_value);
+        const bool should_reset = !any(0.0 != prev_value);
         if (should_reset) {
             prev_value = new_value;
         }