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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef __GS2DSCREEN_H__
#define __GS2DSCREEN_H__
#include "sysdefs.h"
#define SUPPORT_STUPID_OVERLAYS
enum TVMode {
TV_DONT_CARE = 0,
TV_PAL,
TV_NTSC
};
enum GsInterlace {
GS_NON_INTERLACED = 0,
GS_INTERLACED
};
class DmaPipe;
class Gs2dScreen {
public:
Gs2dScreen(uint16 width, uint16 height, TVMode tvMode);
~Gs2dScreen(void);
void newScreenSize(uint16 width, uint16 height);
uint8 tvMode(void);
void copyScreenRect(const uint8 *buf, uint16 pitch, uint16 x, uint16 y, uint16 w, uint16 h);
void setPalette(const uint32 *pal, uint8 start, uint16 num);
void updateScreen(void);
//- overlay routines
void copyOverlayRect(const uint16 *buf, uint16 pitch, uint16 x, uint16 y, uint16 w, uint16 h);
void grabOverlay(uint16 *buf, uint16 pitch);
void clearOverlay(void);
void showOverlay(void);
void hideOverlay(void);
//- mouse routines
void setMouseOverlay(const uint8 *buf, uint16 width, uint16 height, uint16 hotSpotX, uint16 hotSpotY, uint8 transpCol);
void showMouse(bool show);
void setMouseXy(int16 x, int16 y);
void setShakePos(int shake);
void animThread(void);
void timerTick(void);
void wantAnim(bool runIt);
private:
void createAnimTextures(void);
void drawScreen(void);
static inline void waitForDma(void);
static inline void waitForImage(void);
DmaPipe *_dmaPipe;
uint8 _videoMode;
uint16 _tvWidth, _tvHeight;
uint8 _curDrawBuf;
uint32 _frameBufPtr[2]; //
uint32 _clutPtrs[3]; // vram pointers
uint32 _texPtrs[3]; //
uint16 _width, _height, _pitch;
int16 _mouseX, _mouseY, _hotSpotX, _hotSpotY;
uint32 _mouseScaleX, _mouseScaleY;
uint8 _mTraCol;
int _shakePos;
bool _showMouse, _showOverlay, _screenChanged, _overlayChanged, _clutChanged;
uint16 *_overlayBuf;
uint8 *_screenBuf;
uint32 *_clut;
bool _runAnim;
int _timerSema, _screenSema;
static const uint32 _binaryClut[16];
static const uint8 _binaryData[4 * 14 * 2];
static const uint16 _binaryPattern[16];
};
#endif // __GS2DSCREEN_H__
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