From: cloudwalk <cloudwalk@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 18 Aug 2020 16:36:30 +0000 (+0000)
Subject: gl_rmain: Perform lightmap updates only on visible surfaces. Fixes AD perf
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=2c621a3fc48dfd1468517616a24a2c1207f53317;p=xonotic%2Fdarkplaces.git

gl_rmain: Perform lightmap updates only on visible surfaces. Fixes AD perf

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12907 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/gl_rmain.c b/gl_rmain.c
index 19f97cf8..6a69bdd6 100644
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -10088,7 +10088,8 @@ void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean wr
 		int updated = 0;
 		for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
 		{
-			if (update[j])
+			// Update brush entities even if not visible otherwise they'll render solid black.
+			if (update[j] && (r_refdef.viewcache.world_surfacevisible[j] || ent != r_refdef.scene.worldentity))
 			{
 				updated++;
 				R_BuildLightMap(ent, surfaces + j);