/*

     File: Imaging.h

 Abstract: 

  Version: 1.3

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 */

#ifndef IMAGING_H

#define IMAGING_H

#include <OpenGLES/ES1/gl.h>

#include <OpenGLES/ES1/glext.h>

#include "Debug.h"

#define MAX_FILTER_RADIUS 2

enum {

    APPLE_texture_2D_limited_npot,

    IMG_texture_format_BGRA8888,

    NUM_EXTENSIONS

};

// Renderer capabilities that affect this application

typedef struct {

    GLboolean extension[NUM_EXTENSIONS];

    GLint     maxTextureSize;

} RendererInfo;

// A simple 2D image

typedef struct {

    GLuint texID;

    GLsizei wide, high; // Texture dimensions

    GLfloat s, t;       // Texcoords to show full image, taking any POT padding into account

} Image;

// A simple vertex format

typedef struct {

    GLfloat x, y, s, t;

} V2fT2f;

void initGL(void);

void drawGL(int wide, int high, float val, int mode);

#endif /* IMAGING_H */