1.1 --- a/src/pvr2/glutil.c	Tue Oct 26 08:39:02 2010 +1000
     1.2 +++ b/src/pvr2/glutil.c	Wed Jan 19 10:45:06 2011 +1000
     1.3 @@ -167,3 +167,27 @@
     1.4          display_driver->print_info(out);
     1.5      }
     1.6  }
     1.7 +
     1.8 +gboolean gl_check_error(const char *context)
     1.9 +{
    1.10 +    GLint err = glGetError();
    1.11 +    if( err != 0 ) {
    1.12 +        const char *s;
    1.13 +        switch( err ) {
    1.14 +        case GL_INVALID_ENUM: s = "Invalid enum"; break;
    1.15 +        case GL_INVALID_VALUE: s = "Invalid value"; break;
    1.16 +        case GL_INVALID_OPERATION: s = "Invalid operation"; break;
    1.17 +        case GL_STACK_OVERFLOW: s = "Stack overflow"; break;
    1.18 +        case GL_STACK_UNDERFLOW: s = "Stack underflow"; break;
    1.19 +        case GL_OUT_OF_MEMORY:   s = "Out of memory"; break;
    1.20 +        default: s = "Unknown error"; break;
    1.21 +        }
    1.22 +        if( context ) {
    1.23 +            WARN( "%s: GL error: %x (%s)\n", context, err, s );
    1.24 +        } else {
    1.25 +            WARN( "GL error: %x (%s)\n", err, s );
    1.26 +        }
    1.27 +        return TRUE;
    1.28 +    }
    1.29 +    return FALSE;
    1.30 +}