From a7103e2d39ff0e0f0afa492e4e286b424e70f70f Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <sezeroz@gmail.com>
Date: Tue, 24 Aug 2010 09:20:19 +0000
Subject: [PATCH] screen.h (canvastype): Added CANVAS_INVALID as a new
 enumerated value (-1). gl_draw.c (GL_Set2D): Use CANVAS_INVALID instead of
 -1.

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@295 af15c1b1-3010-417e-b628-4374ebc0bcbd
---
 Quake/gl_draw.c | 2 +-
 Quake/screen.h  | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/Quake/gl_draw.c b/Quake/gl_draw.c
index c90a283e..e24ef62b 100644
--- a/Quake/gl_draw.c
+++ b/Quake/gl_draw.c
@@ -858,7 +858,7 @@ GL_Set2D -- johnfitz -- rewritten
 */
 void GL_Set2D (void)
 {
-	currentcanvas = -1;
+	currentcanvas = CANVAS_INVALID;
 	GL_SetCanvas (CANVAS_DEFAULT);
 
 	glDisable (GL_DEPTH_TEST);
diff --git a/Quake/screen.h b/Quake/screen.h
index a75a2125..761382f0 100644
--- a/Quake/screen.h
+++ b/Quake/screen.h
@@ -69,6 +69,7 @@ typedef enum {
 	CANVAS_BOTTOMLEFT,
 	CANVAS_BOTTOMRIGHT,
 	CANVAS_TOPRIGHT,
+	CANVAS_INVALID = -1
 } canvastype;
 extern	cvar_t		scr_menuscale;
 extern	cvar_t		scr_sbarscale;