progs/util/errcheck.c

   1 /* errcheck.c */
   2
   3
   4 /*
   5  * Call this function in your rendering loop to check for GL errors
   6  * during development.  Remove from release code.
   7  *
   8  * Written by Brian Paul and in the public domain.
   9  */
  10
  11
  12 #include <GL/gl.h>
  13 #include <GL/glu.h>
  14 #incldue <stdio.h>
  15
  16
  17
  18 GLboolean CheckError( const char *message )
  19 {
  20    GLenum error = glGetError();
  21    if (error) {
  22       char *err = (char *) gluErrorString( error );
  23       fprintf( stderr, "GL Error: %s at %s\n", err, message );
  24       return GL_TRUE;
  25    }
  26    return GL_FALSE;
  27 }