From 6d773c54a584900ed677eb428cc5465e69e9fe70 Mon Sep 17 00:00:00 2001
From: Alam Ed Arias <alam@srb2.org>
Date: Sun, 2 Nov 2014 01:11:37 -0500
Subject: [PATCH] Use OpenGL 1.3 in static builds and on SDL interfaces

---
 src/hardware/r_opengl/ogl_win.c  |  3 ---
 src/hardware/r_opengl/r_opengl.c | 24 +++++++++++-------------
 src/sdl/ogl_sdl.c                |  2 ++
 src/sdl12/ogl_sdl.c              |  2 ++
 4 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/src/hardware/r_opengl/ogl_win.c b/src/hardware/r_opengl/ogl_win.c
index bfdc96d6a..5cc075cea 100644
--- a/src/hardware/r_opengl/ogl_win.c
+++ b/src/hardware/r_opengl/ogl_win.c
@@ -366,10 +366,7 @@ static INT32 WINAPI SetRes(viddef_t *lvid, vmode_t *pcurrentmode)
 	else
 		maximumAnisotropy = 0;
 
-#ifndef MINI_GL_COMPATIBILITY
 	SetupGLFunc13();
-#endif
-
 
 	screen_depth = (GLbyte)(lvid->bpp*8);
 	if (screen_depth > 16)
diff --git a/src/hardware/r_opengl/r_opengl.c b/src/hardware/r_opengl/r_opengl.c
index c136d0634..0f0f7e014 100644
--- a/src/hardware/r_opengl/r_opengl.c
+++ b/src/hardware/r_opengl/r_opengl.c
@@ -517,18 +517,15 @@ boolean SetupGLfunc(void)
 	return true;
 }
 
-#ifndef MINI_GL_COMPATIBILITY
 // This has to be done after the context is created so the version number can be obtained
 boolean SetupGLFunc13(void)
 {
-#ifndef STATIC_OPENGL
-#define GETOPENGLFUNC(func, proc) \
-	func = GetGLFunc(#proc); \
-	if (!func) \
-	{ \
-		DBG_Printf("failed to get OpenGL function: %s", #proc); \
-	} \
-
+#ifdef MINI_GL_COMPATIBILITY
+	return false;
+#else
+#ifdef STATIC_OPENGL
+	gl13 = true;
+#else
 	const char *glversion = (const char *)pglGetString(GL_VERSION);
 	UINT32 majorversion = 0, minorversion = 0;
 
@@ -537,18 +534,19 @@ boolean SetupGLFunc13(void)
 		if (majorversion > 1 || (majorversion == 1 && minorversion >= 3)) // Version of OpenGL is equal to or greater than 1.3
 		{
 			// Get the functions
-			GETOPENGLFUNC(pglActiveTexture , glActiveTexture)
-			GETOPENGLFUNC(pglMultiTexCoord2f , glMultiTexCoord2f)
+			pglActiveTexture  = GetGLFunc("glActiveTexture");
+			pglMultiTexCoord2f  = GetGLFunc("glMultiTexCoord2f");
 
-			gl13 = true; // This is now true, so the new fade mask stuff can be done, if OpenGL version is less than 1.3, it still uses the old fade stuff.
+			if (pglMultiTexCoord2f)
+				gl13 = true; // This is now true, so the new fade mask stuff can be done, if OpenGL version is less than 1.3, it still uses the old fade stuff.
 		}
 	}
 #undef GETOPENGLFUNC
 
 #endif
 	return true;
-}
 #endif
+}
 
 // -----------------+
 // SetNoTexture     : Disable texture
diff --git a/src/sdl/ogl_sdl.c b/src/sdl/ogl_sdl.c
index 62055e104..6cbecaf3c 100644
--- a/src/sdl/ogl_sdl.c
+++ b/src/sdl/ogl_sdl.c
@@ -176,6 +176,8 @@ boolean OglSdlSurface(INT32 w, INT32 h)
 	else
 		maximumAnisotropy = 1;
 
+	SetupGLFunc13();
+
 	granisotropicmode_cons_t[1].value = maximumAnisotropy;
 
 	SDL_GL_SetSwapInterval(cv_vidwait.value ? 1 : 0);
diff --git a/src/sdl12/ogl_sdl.c b/src/sdl12/ogl_sdl.c
index e726bf07d..eb7e9996d 100644
--- a/src/sdl12/ogl_sdl.c
+++ b/src/sdl12/ogl_sdl.c
@@ -237,6 +237,8 @@ boolean OglSdlSurface(INT32 w, INT32 h, boolean isFullscreen)
 #endif
 		maximumAnisotropy = 0;
 
+	SetupGLFunc13();
+
 	granisotropicmode_cons_t[1].value = maximumAnisotropy;
 
 	SetModelView(w, h);