Update viewdraw.h

AXDOOMER · Jan 7, 2024 · f309c7e · f309c7e
1 parent 420c1f5
commit f309c7e
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/Project/viewdraw.h b/Project/viewdraw.h
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2018 Alexandre-Xavier Labonté-Lamoureux
+// Copyright (C) 2014-2018 Alexandre-Xavier Labonté-Lamoureux
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -28,6 +28,11 @@ using namespace std;
 #include "player.h"
 #include "level.h"
 
+#ifnef GL_SAMPLE_ALPHA_TO_COVERAGE
+// OpenGL ES constant
+#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809e
+#endif
+
 /****************************** Constants ******************************/
 
 const string WindowIcon = "planet.png";