1.1 --- a/src/drivers/video_glx.c	Tue Jan 15 20:50:23 2008 +0000
     1.2 +++ b/src/drivers/video_glx.c	Tue Feb 12 08:38:19 2008 +0000
     1.3 @@ -32,7 +32,7 @@
     1.4  static gboolean glsl_loaded = FALSE;
     1.5  
     1.6  static int glx_version = 100;
     1.7 -static XVisualInfo *glx_visual;
     1.8 +static XVisualInfo *glx_visual = NULL;
     1.9  static GLXFBConfig glx_fbconfig;
    1.10  static GLXContext glx_context = NULL;
    1.11  static gboolean glx_is_initialized = FALSE;
    1.12 @@ -100,7 +100,7 @@
    1.13      glx_pbuffer_supported = (glx_version >= 103 ||
    1.14  			     isServerGLXExtensionSupported(display, screen,
    1.15  						     "GLX_SGIX_pbuffer") );
    1.16 -    
    1.17 +
    1.18      if( glx_fbconfig_supported ) {
    1.19  	int nelem;
    1.20          int fb_attribs[] = { GLX_DRAWABLE_TYPE, 
    1.21 @@ -125,6 +125,11 @@
    1.22          int attribs[] = { GLX_RGBA, GLX_DEPTH_SIZE, 24, 0 };
    1.23  	glx_visual = glXChooseVisual( display, screen, attribs );
    1.24      }
    1.25 +
    1.26 +    if( glx_visual == NULL ) {
    1.27 +        return FALSE;
    1.28 +    }
    1.29 +
    1.30      glx_is_initialized = TRUE;
    1.31      return TRUE;
    1.32  }