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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifdef WIN32
#if defined(ARRAYSIZE) && !defined(_WINDOWS_)
#undef ARRAYSIZE
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef ARRAYSIZE
#endif
#if defined(USE_GLES)
#include <GLES/gl.h>
#include <GLES/glext.h>
#elif defined(MACOSX)
#include <gl.h>
#include <glext.h>
#else
#include <GL/gl.h>
#include <GL/glext.h>
#endif
#include "graphics/surface.h"
#include "common/rect.h"
#include "common/array.h"
/**
* OpenGL texture manager class
*/
class GLTexture {
public:
static void initGLExtensions();
GLTexture(byte bpp, GLenum format, GLenum type);
virtual ~GLTexture();
virtual void refresh();
virtual void allocBuffer(GLuint width, GLuint height);
virtual void fillBuffer(byte x);
virtual void updateBuffer(const void *buf, int pitch, GLuint x, GLuint y,
GLuint w, GLuint h);
virtual void drawTexture() { drawTexture(0, 0, _surface.w, _surface.h); }
virtual void drawTexture(GLshort x, GLshort y, GLshort w, GLshort h);
Graphics::Surface *getSurface() { return &_surface; }
GLuint getWidth() const { return _surface.w; }
GLuint getHeight() const { return _surface.h; }
GLuint getTextureName() const { return _textureName; }
protected:
const byte _bytesPerPixel;
const GLenum _glFormat;
const GLenum _glType;
Graphics::Surface _surface;
GLuint _textureName;
GLuint _textureWidth;
GLuint _textureHeight;
};
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