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DaemonEngine · Sep 23, 2024 · 724f0df · 724f0df
1 parent d3dc97c
commit 724f0df
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diff --git a/src/engine/renderer/tr_bsp.cpp b/src/engine/renderer/tr_bsp.cpp
@@ -6728,6 +6728,7 @@ void R_BuildCubeMaps()
 
 			int msecUnused1;
 			int msecUnused2;
+			// Material system writes culled surfaces for the next frame, so we need to render twice with it to cull correctly
 			if ( glConfig2.materialSystemAvailable ) {
 				tr.refdef.pixelTarget = nullptr;
 

diff --git a/src/engine/renderer/tr_scene.cpp b/src/engine/renderer/tr_scene.cpp
@@ -769,6 +769,7 @@ void RE_RenderScene( const refdef_t *fd )
 
 	if ( showCubeProbe ) {
 		if ( glConfig2.materialSystemAvailable ) {
+			// Material system writes culled surfaces for the next frame, so we need to render twice with it to cull correctly
 			R_SyncRenderThread();
 			RE_RenderScene( &refdef );
 		}