Don't call glBufferSubData(GL_ARRAY_BUFFER, *, 0, *), which crashes s…

…ome drivers. Probably shouldn't have crashed... Fixes ticket:2293. Changelog: Work around crash in some graphics drivers on some maps.
Warzone2100 · Nov 7, 2010 · dbd2ecd · dbd2ecd
1 parent eb32cd8
commit dbd2ecd
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/terrain.c b/src/terrain.c
@@ -623,7 +623,13 @@ static void updateSectorGeometry(int x, int y)
 
 	free(geometry);
 	free(water);
-
+
+	if (sectors[x*ySectors + y].decalSize <= 0)
+	{
+		// Nothing to do here, and glBufferSubData(GL_ARRAY_BUFFER, 0, 0, *) crashes in my graphics driver. Probably shouldn't crash...
+		return;
+	}
+
 	decaldata = malloc(sizeof(DecalVertex)*sectors[x*ySectors + y].decalSize);
 	setSectorDecals(x, y, decaldata, &decalSize);
 	ASSERT(decalSize == sectors[x*ySectors + y].decalSize   , "the amount of decals has changed");