-#define GL_GLEXT_PROTOTYPES 1
-
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "effect_chain.h"
#include "util.h"
-#include <GL/gl.h>
-#include <GL/glext.h>
+#include "opengl.h"
GLint get_uniform_location(GLuint glsl_program_num, const std::string &prefix, const std::string &key)
{