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Gs2dScreen.h

/* 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.
 *
 */

#ifndef __GS2DSCREEN_H__
#define __GS2DSCREEN_H__

#include "sysdefs.h"
#include "backends/base-backend.h"

#include "backends/platform/ps2/DmaPipe.h"
#include "graphics/surface.h"


enum TVMode {
      TV_DONT_CARE = 0,
      TV_PAL,
      TV_NTSC
};

enum GsInterlace {
      GS_NON_INTERLACED = 0,
      GS_INTERLACED
};


namespace Graphics {
struct Surface;
}

00049 class Gs2dScreen {
public:
      Gs2dScreen(uint16 width, uint16 height, TVMode tvMode);
      ~Gs2dScreen(void);
      void newScreenSize(uint16 width, uint16 height);
      uint8 tvMode(void);
      uint16 getWidth(void);
      uint16 getHeight(void);

      void copyPrintfOverlay(const uint8* buf);
      void clearPrintfOverlay(void);

      Graphics::Surface *lockScreen();
      void unlockScreen();

      void copyScreenRect(const uint8 *buf, int pitch, int x, int y, int w, int h);
      void setPalette(const uint8 *pal, uint8 start, uint16 num);
      void updateScreen(void);
      void grabPalette(uint8 *pal, uint8 start, uint16 num);
      void grabScreen(Graphics::Surface *surf);
      //- 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);
      Graphics::PixelFormat getOverlayFormat(void);
      int16 getOverlayWidth(void);
      int16 getOverlayHeight(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 wantAnim(bool runIt);

      void quit(void);

private:
      void uploadToVram(void);
      void createAnimTextures(void);

      DmaPipe *_dmaPipe;
      uint8 _tvMode;
      uint16 _tvWidth, _tvHeight;
      GsVertex _blitCoords[2];
      TexVertex _texCoords[2];

      uint8  _curDrawBuf;
      uint32 _frameBufPtr[2]; //
      uint32 _clutPtrs[3];    //   vram pointers
      uint32 _texPtrs[4];     //

      Graphics::Surface _framebuffer;

      /* TODO : check if we do need this */
00108     struct VideoState {
        bool setup;

        bool fullscreen;
        bool aspectRatio;

        int mode;
        int scaleFactor;

        int screenWidth, screenHeight;
        int overlayWidth, overlayHeight;
    };

      VideoState _videoMode;
      /* */

      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;
      Graphics::PixelFormat _overlayFormat;

      int _screenSema;
      int _vblankStartId, _vblankEndId, _dmacId, _animTid;
      void *_animStack;
      volatile bool _systemQuit;

      static const uint32 _binaryClut[16];
      static const uint8  _binaryData[4 * 14 * 2];
      static const uint16 _binaryPattern[16];
};

#endif // __GS2DSCREEN_H__

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