Optimize Global Surface Atlas full direct lighting redraw to copy whole emissive atlas at once

2026-05-04 18:11:01 +02:00
parent cbcfa4013b
commit b14c2cfc74
1 changed files with 9 additions and 1 deletions
@@ -1282,9 +1282,10 @@ bool GlobalSurfaceAtlasPass::Render(RenderContext& renderContext, GPUContext* co
        }
        if (surfaceAtlasData.CulledObjectsCounterIndex != -1)
        {
-            // Get the last counter value (accept staging readback delay or not available data yet)
+            // Get the last counter value
            notReady = true;
            PROFILE_CPU_NAMED("Readback Object Count");
+            ZoneColor(TracyWaitZoneColor);
            auto data = (uint32*)_culledObjectsSizeBuffer->Map(GPUResourceMapMode::Read);
            if (data)
            {
@@ -1510,6 +1511,13 @@ bool GlobalSurfaceAtlasPass::Render(RenderContext& renderContext, GPUContext* co
        }

        // Copy emissive light into the final direct lighting atlas
+        if (allLightingDirty)
+        {
+            PROFILE_GPU("Copy Emissive");
+            context->Draw(surfaceAtlasData.AtlasEmissive);
+            context->BindSR(0, surfaceAtlasData.AtlasGBuffer0->View()); // Rebind
+        }
+        else
        {
            PROFILE_GPU_CPU_NAMED("Copy Emissive");
            _vertexBuffer->Clear();