/*
 * This software is licensed under the terms of the MIT License.
 * See COPYING for further information.
 * ---
 * Copyright (c) 2011-2019, Lukas Weber <laochailan@web.de>.
 * Copyright (c) 2012-2019, Andrei Alexeyev <akari@taisei-project.org>.
 */

#pragma once
#include "taisei.h"

#include "../api.h"
#include "../common/backend.h"
#include "texture.h"

typedef struct GLVTable {
// 	GLTextureTypeInfo* (*texture_type_info)(TextureType type);
// 	GLTexFormatCapabilities (*texture_format_caps)(GLenum internal_fmt);
	SDL_GLContext (*create_context)(SDL_Window *window);
	void (*init_context)(SDL_Window *window);
	void (*get_viewport)(FloatRect *vp);
	void (*set_viewport)(const FloatRect *vp);
} GLVTable;

typedef struct GLBackendData {
	GLVTable vtable;
} GLBackendData;

#define GLVT_OF(backend) (((GLBackendData*)(backend).custom)->vtable)
#define GLVT GLVT_OF(_r_backend)
