don't use 3d textures on drivers that don't explicitly advertise it as an extension

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@2547 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/vid_shared.c b/vid_shared.c
index 6d59a9271c0477c007e8836e468ebd4cabca6d0c..a65d5a72f3ea3890e5c92479dc4cf7abbd511221 100644 (file)
--- a/vid_shared.c
+++ b/vid_shared.c
@@ -333,14 +333,6 @@ static gl_extensionfunctionlist_t compiledvertexarrayfuncs[] =
        {NULL, NULL}
 };
 
-static gl_extensionfunctionlist_t texture3dfuncs[] =
-{
-       {"glTexImage3D", (void **) &qglTexImage3D},
-       {"glTexSubImage3D", (void **) &qglTexSubImage3D},
-       {"glCopyTexSubImage3D", (void **) &qglCopyTexSubImage3D},
-       {NULL, NULL}
-};
-
 static gl_extensionfunctionlist_t texture3dextfuncs[] =
 {
        {"glTexImage3DEXT", (void **) &qglTexImage3D},
@@ -379,7 +371,7 @@ void VID_CheckExtensions(void)
                        gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
        }
 
-       gl_texture3d = GL_CheckExtension("glTexImage3D", texture3dfuncs, "-notexture3d", false) || GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
+       gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
        gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
        gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);