-#define GL_GLEXT_PROTOTYPES 1
-
#include <string.h>
-#include <GL/gl.h>
-#include <GL/glext.h>
#include <assert.h>
#include "flat_input.h"
#include "util.h"
+#include "opengl.h"
FlatInput::FlatInput(ImageFormat image_format, unsigned width, unsigned height)
: image_format(image_format),