/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2019-2020. All rights reserved.
 * Description: Draw bitmap
 * Author:
 * Create: 2019-08-23
 */

#ifndef OSD_BITMAP_H
#define OSD_BITMAP_H

#include <memory>
#include "Common.h"
#include "ShaderProgram.h"

namespace dolgles {
using std::unique_ptr;

class OSDBitmap {
public:
    OSDBitmap();
    ~OSDBitmap();
    EGL_S32 Init();
    void DisplayBitmap(const GLBitmapInfo &bitmapInfo, GLsizei winWidth, GLsizei winHeight);
    void DrawBitmap(const FrameBuffObject &fbo, const GLBitmapInfo &bitmapInfo);
private:
    void RenderBitmap(const GLRectInfo &rect) const;
    void CreateTexture(const GLBitmapInfo &bitmapInfo);
    void DeleteTexture();

    unique_ptr<ShaderProgram> shaderProgram;
    GLuint texture;
    GLuint program;
    GLuint vbo;
    GLint uniformTex;
    GLint attribCoord;
};
}; // namespace dolgles

#endif // end OSD_BITMAP_H