From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Wed, 7 Jun 2006 06:34:11 +0000 (+0000)
Subject: ignore GL_EXT_texture3D extension if it reports a bogus GL_MAX_3D_TEXTURE_SIZE
X-Git-Tag: xonotic-v0.1.0preview~3944
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=11b172283b8c712b7e9b078573c040002977e88e;p=xonotic%2Fdarkplaces.git

ignore GL_EXT_texture3D extension if it reports a bogus GL_MAX_3D_TEXTURE_SIZE


git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@6432 d7cf8633-e32d-0410-b094-e92efae38249
---

diff --git a/vid_shared.c b/vid_shared.c
index 46325de8..2504c286 100644
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -665,7 +665,14 @@ void VID_CheckExtensions(void)
 
 // COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
 	if ((gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false)))
+	{
 		qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, &gl_max_3d_texture_size);
+		if (gl_max_3d_texture_size < 32)
+		{
+			gl_texture3d = false;
+			Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
+		}
+	}
 // COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
 	if ((gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false)))
 		qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, &gl_max_cube_map_texture_size);