From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Wed, 17 Apr 2013 07:13:52 +0000 (+0000)
Subject: set vid_stereobuffer cvar based on whether GL_STEREO is true after setting the mode
X-Git-Tag: xonotic-v0.8.0~96^2~97
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=9b793d68226cc30e873aa027ffc74c0fc98c5514;p=xonotic%2Fdarkplaces.git

set vid_stereobuffer cvar based on whether GL_STEREO is true after setting the mode

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11943 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/glquake.h b/glquake.h
index 1802909d..f925b83f 100644
--- a/glquake.h
+++ b/glquake.h
@@ -99,6 +99,8 @@ typedef ptrdiff_t GLintptrARB;
 // int whose size is the same as a pointer (?)
 typedef ptrdiff_t GLsizeiptrARB;
 
+#define GL_STEREO					0x0C33
+
 #define GL_MODELVIEW				0x1700
 #define GL_PROJECTION				0x1701
 #define GL_TEXTURE				0x1702
diff --git a/vid_shared.c b/vid_shared.c
index 4cac85d8..b141908a 100644
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -1840,6 +1840,22 @@ static int VID_Mode(int fullscreen, int width, int height, int bpp, float refres
 		vid.sRGB2D         = vid_sRGB.integer >= 1 && vid.sRGBcapable2D;
 		vid.sRGB3D         = vid_sRGB.integer >= 1 && vid.sRGBcapable3D;
 
+		switch(vid.renderpath)
+		{
+		case RENDERPATH_GL11:
+		case RENDERPATH_GL13:
+		case RENDERPATH_GL20:
+			{
+				GLboolean stereo;
+				qglGetBooleanv(GL_STEREO, &stereo);
+				vid.stereobuffer = stereo != 0;
+			}
+			break;
+		default:
+			vid.stereobuffer = false;
+			break;
+		}
+
 		if(
 			(vid_sRGB_fallback.integer >= 3) // force fallback
 			||
@@ -1860,7 +1876,7 @@ static int VID_Mode(int fullscreen, int width, int height, int bpp, float refres
 		Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
 		if(vid_userefreshrate.integer)
 			Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
-		Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer);
+		Cvar_SetValueQuick(&vid_stereobuffer, vid.stereobuffer ? 1 : 0);
 
 		return true;
 	}