From 4b948de22596b071a92e697731638d9cd7adc029 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Mon, 30 Jan 2012 18:41:27 +0900
Subject: [PATCH] Ensure the lightmap gets rebuilt when the dlights disappear.

I didn't realize what that line was for when I copied the code from GL :/
---
 libs/video/renderer/glsl/glsl_lightmap.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/video/renderer/glsl/glsl_lightmap.c b/libs/video/renderer/glsl/glsl_lightmap.c
index 183fc448b..d1401c906 100644
--- a/libs/video/renderer/glsl/glsl_lightmap.c
+++ b/libs/video/renderer/glsl/glsl_lightmap.c
@@ -128,6 +128,10 @@ R_BuildLightMap_1 (msurface_t *surf)
 	int         i, t;
 	byte       *out;
 
+	// If we add dlights this frame, make sure they get removed next frame
+	// if the dlights disappear suddenly
+	surf->cached_dlight = (surf->dlightframe == r_framecount);
+
 	smax = (surf->extents[0] >> 4) + 1;
 	tmax = (surf->extents[1] >> 4) + 1;
 	size = smax * tmax;