From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Thu, 30 Aug 2007 03:55:44 +0000 (+0000)
Subject: turn off r_glsl if compilation of the lowest level fallback fails
X-Git-Tag: xonotic-v0.1.0preview~2928
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=bc237466abd40659a8507ebaca3683543c4a4a21;p=xonotic%2Fdarkplaces.git

turn off r_glsl if compilation of the lowest level fallback fails


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7547 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/gl_rmain.c b/gl_rmain.c
index 9f3cef9b..5ce992d6 100644
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -983,7 +983,11 @@ int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, fl
 			for (i = (SHADERPERMUTATION_MAX >> 1);;i>>=1)
 			{
 				if (!i)
+				{
+					Con_Printf("OpenGL 2.0 shaders disabled - unable to find a working shader permutation fallback on this driver (set r_glsl 1 if you want to try again)\n");
+					Cvar_SetValueQuick(&r_glsl, 0);
 					return 0; // no bit left to clear
+				}
 				// reduce i more quickly whenever it would not remove any bits
 				if (!(permutation & i))
 					continue;