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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: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.cpp $
* $Id: osys_psp.cpp 47541 2010-01-25 01:39:44Z lordhoto $
*
*/
#ifndef PSP_DISPLAY_MAN_H
#define PSP_DISPLAY_MAN_H
/**
* Class used only by DisplayManager to start/stop GU rendering
*/
class MasterGuRenderer {
public:
MasterGuRenderer() : _lastRenderTime(0), _renderFinished(true), _callbackId(-1) {}
void guInit();
void guPreRender();
void guPostRender();
void guShutDown();
bool isRenderFinished() { return _renderFinished; }
void setupCallbackThread();
private:
static uint32 _displayList[];
uint32 _lastRenderTime; // For measuring rendering time
void guProgramDisplayBufferSizes();
static int guCallbackThread(SceSize, void *); // for the graphics callbacks
static int guCallback(int, int, void *__this);
bool _renderFinished; // for sync with render callback
int _callbackId; // to keep track of render callback
};
class Screen;
class Overlay;
class Cursor;
class PSPKeyboard;
/**
* Class that manages all display clients
*/
class DisplayManager {
public:
enum GraphicsModeID { ///> Possible output formats onscreen
CENTERED_320X200,
CENTERED_435X272,
STRETCHED_480X272,
CENTERED_362X272
};
DisplayManager() : _screen(0), _cursor(0), _overlay(0), _keyboard(0), _lastUpdateTime(0), _graphicsMode(0) {}
~DisplayManager();
void init();
bool renderAll(); // return true if rendered or nothing dirty. False otherwise
bool setGraphicsMode(int mode);
bool setGraphicsMode(const char *name);
int getGraphicsMode() const { return _graphicsMode; }
uint32 getDefaultGraphicsMode() const { return STRETCHED_480X272; }
const OSystem::GraphicsMode* getSupportedGraphicsModes() const { return _supportedModes; }
// Setters
void setScreen(Screen *screen) { _screen = screen; }
void setCursor(Cursor *cursor) { _cursor = cursor; }
void setOverlay(Overlay *overlay) { _overlay = overlay; }
void setKeyboard(PSPKeyboard *keyboard) { _keyboard = keyboard; }
void setSizeAndPixelFormat(uint width, uint height, const Graphics::PixelFormat *format);
// Getters
float getScaleX() const { return _displayParams.scaleX; }
float getScaleY() const { return _displayParams.scaleY; }
uint32 getOutputWidth() const { return _displayParams.screenOutput.width; }
uint32 getOutputHeight() const { return _displayParams.screenOutput.height; }
uint32 getOutputBitsPerPixel() const { return _displayParams.outputBitsPerPixel; }
Common::List<Graphics::PixelFormat> getSupportedPixelFormats() const;
private:
struct GlobalDisplayParams {
Dimensions screenOutput;
Dimensions screenSource;
float scaleX;
float scaleY;
uint32 outputBitsPerPixel; // How many bits end up on-screen
GlobalDisplayParams() : scaleX(0.0f), scaleY(0.0f), outputBitsPerPixel(0) {}
};
// Pointers to DisplayClients
Screen *_screen;
Cursor *_cursor;
Overlay *_overlay;
PSPKeyboard *_keyboard;
MasterGuRenderer _masterGuRenderer;
uint32 _lastUpdateTime; // For limiting FPS
int _graphicsMode;
GlobalDisplayParams _displayParams;
static const OSystem::GraphicsMode _supportedModes[];
void calculateScaleParams(); // calculates scaling factor
bool isTimeToUpdate(); // should we update the screen now
};
#endif /* PSP_DISPLAY_MAN_H */
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