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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.
*
* $URL$
* $Id$
*
*/
#ifndef _ANDROID_TEXTURE_H_
#define _ANDROID_TEXTURE_H_
#if defined(__ANDROID__)
#include <GLES/gl.h>
#include "graphics/surface.h"
#include "graphics/pixelformat.h"
#include "common/rect.h"
#include "common/array.h"
class GLESTexture {
public:
static void initGLExtensions();
protected:
GLESTexture(byte bytesPerPixel, GLenum glFormat, GLenum glType,
Graphics::PixelFormat pixelFormat);
public:
virtual ~GLESTexture();
void release();
void reinit();
void initSize();
virtual void allocBuffer(GLuint width, GLuint height);
virtual void updateBuffer(GLuint x, GLuint y, GLuint width, GLuint height,
const void *buf, int pitch_buf);
virtual void fillBuffer(uint32 color);
virtual void drawTexture(GLshort x, GLshort y, GLshort w, GLshort h);
inline void drawTexture() {
drawTexture(0, 0, _surface.w, _surface.h);
}
inline GLuint width() const {
return _surface.w;
}
inline GLuint height() const {
return _surface.h;
}
inline uint16 pitch() const {
return _surface.pitch;
}
inline const Graphics::Surface *surface_const() const {
return &_surface;
}
inline Graphics::Surface *surface() {
setDirty();
return &_surface;
}
virtual const byte *palette_const() const {
return 0;
};
virtual byte *palette() {
return 0;
};
inline bool hasPalette() const {
return _palettePixelFormat.bytesPerPixel > 0;
}
inline bool dirty() const {
return _all_dirty || !_dirty_rect.isEmpty();
}
inline const Graphics::PixelFormat &getPixelFormat() const {
return _pixelFormat;
}
inline const Graphics::PixelFormat &getPalettePixelFormat() const {
return _palettePixelFormat;
}
protected:
inline void setDirty() {
_all_dirty = true;
}
inline void clearDirty() {
_all_dirty = false;
_dirty_rect.top = 0;
_dirty_rect.left = 0;
_dirty_rect.bottom = 0;
_dirty_rect.right = 0;
}
inline void setDirtyRect(const Common::Rect& r) {
if (!_all_dirty) {
if (_dirty_rect.isEmpty())
_dirty_rect = r;
else
_dirty_rect.extend(r);
}
}
byte _bytesPerPixel;
GLenum _glFormat;
GLenum _glType;
GLuint _texture_name;
Graphics::Surface _surface;
GLuint _texture_width;
GLuint _texture_height;
// Covers dirty area
bool _all_dirty;
Common::Rect _dirty_rect;
Graphics::PixelFormat _pixelFormat;
Graphics::PixelFormat _palettePixelFormat;
};
// RGBA4444 texture
class GLES4444Texture : public GLESTexture {
public:
GLES4444Texture();
virtual ~GLES4444Texture();
static inline Graphics::PixelFormat getPixelFormat() {
return Graphics::PixelFormat(2, 4, 4, 4, 4, 12, 8, 4, 0);
}
};
// RGBA5551 texture
class GLES5551Texture : public GLESTexture {
public:
GLES5551Texture();
virtual ~GLES5551Texture();
static inline Graphics::PixelFormat getPixelFormat() {
return Graphics::PixelFormat(2, 5, 5, 5, 1, 11, 6, 1, 0);
}
};
// RGB565 texture
class GLES565Texture : public GLESTexture {
public:
GLES565Texture();
virtual ~GLES565Texture();
static inline Graphics::PixelFormat getPixelFormat() {
return Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
}
};
class GLESPaletteTexture : public GLESTexture {
protected:
GLESPaletteTexture(byte bytesPerPixel, GLenum glFormat, GLenum glType,
Graphics::PixelFormat palettePixelFormat);
public:
virtual ~GLESPaletteTexture();
virtual void allocBuffer(GLuint width, GLuint height);
virtual void updateBuffer(GLuint x, GLuint y, GLuint width, GLuint height,
const void *buf, int pitch_buf);
virtual void fillBuffer(uint32 color);
virtual void drawTexture(GLshort x, GLshort y, GLshort w, GLshort h);
inline void drawTexture() {
drawTexture(0, 0, _surface.w, _surface.h);
}
virtual const byte *palette_const() const {
return _texture;
};
virtual byte *palette() {
setDirty();
return _texture;
};
protected:
byte *_texture;
size_t _paletteSize;
};
// RGB888 256-entry paletted texture
class GLESPalette888Texture : public GLESPaletteTexture {
public:
GLESPalette888Texture();
virtual ~GLESPalette888Texture();
};
// RGBA8888 256-entry paletted texture
class GLESPalette8888Texture : public GLESPaletteTexture {
public:
GLESPalette8888Texture();
virtual ~GLESPalette8888Texture();
};
// RGB565 256-entry paletted texture
class GLESPalette565Texture : public GLESPaletteTexture {
public:
GLESPalette565Texture();
virtual ~GLESPalette565Texture();
};
// RGBA4444 256-entry paletted texture
class GLESPalette4444Texture : public GLESPaletteTexture {
public:
GLESPalette4444Texture();
virtual ~GLESPalette4444Texture();
};
// RGBA5551 256-entry paletted texture
class GLESPalette5551Texture : public GLESPaletteTexture {
public:
GLESPalette5551Texture();
virtual ~GLESPalette5551Texture();
};
#endif
#endif
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