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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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on Broken Sword 2.5 engine
*
* Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
*
* Licensed under GNU GPL v2
*
*/
#ifndef SWORD25_OPENGLGFX_H
#define SWORD25_OPENGLGFX_H
// -----------------------------------------------------------------------------
// INCLUDES
// -----------------------------------------------------------------------------
#include "sword25/kernel/memlog_off.h"
#include <memory>
#include <vector>
#include "sword25/kernel/memlog_on.h"
#include "sword25/kernel/common.h"
#include "sword25/gfx/graphicengine.h"
#include "sword25/gfx/renderobjectptr.h"
#include "sword25/util/glsprites/glsprites.h"
// -----------------------------------------------------------------------------
// FORWARD DECLARATIONS
// -----------------------------------------------------------------------------
class BS_Kernel;
class BS_Service;
class BS_Resource;
class BS_Panel;
class BS_Image;
class BS_RenderObjectManager;
// -----------------------------------------------------------------------------
// CLASS DECLARATION
// -----------------------------------------------------------------------------
class BS_OpenGLGfx : public BS_GraphicEngine
{
public:
BS_OpenGLGfx(BS_Kernel* pKernel);
virtual ~BS_OpenGLGfx();
// Interface
// ---------
virtual bool Init(int Width, int Height, int BitDepth, int BackbufferCount, bool Windowed);
virtual bool StartFrame(bool UpdateAll);
virtual bool EndFrame();
virtual BS_RenderObjectPtr<BS_Panel> GetMainPanel();
virtual void SetVsync(bool Vsync);
virtual bool GetVsync() const;
virtual bool Fill(const BS_Rect* FillRectPtr = 0, unsigned int Color = BS_RGB(0, 0, 0));
virtual bool GetScreenshot(unsigned int & Width, unsigned int & Height, std::vector<unsigned int> & Data);
// Resource-Managing Methoden
// --------------------------
virtual BS_Resource* LoadResource(const std::string& FileName);
virtual bool CanLoadResource(const std::string& FileName);
// Debugging Methoden
// ------------------
virtual void DrawDebugLine(const BS_Vertex & Start, const BS_Vertex & End, unsigned int Color);
static const char * GetGLSResultString(GLS_Result Result);
// Persistenz Methoden
// -------------------
virtual bool Persist(BS_OutputPersistenceBlock & Writer);
virtual bool Unpersist(BS_InputPersistenceBlock & Reader);
private:
bool m_GLspritesInitialized;
BS_RenderObjectPtr<BS_Panel> m_MainPanelPtr;
std::auto_ptr<BS_RenderObjectManager> m_RenderObjectManagerPtr;
struct DebugLine
{
DebugLine(const BS_Vertex & _Start, const BS_Vertex & _End, unsigned int _Color) :
Start(_Start),
End(_End),
Color(_Color) {};
BS_Vertex Start;
BS_Vertex End;
unsigned int Color;
};
std::vector<DebugLine> m_DebugLines;
static bool ReadFramebufferContents(unsigned int Width, unsigned int Height, std::vector<unsigned int> & Data);
static void ReverseRGBAComponentOrder(std::vector<unsigned int> & Data);
static void FlipImagedataVertical(unsigned int Width, unsigned int Height, std::vector<unsigned int> & Data);
};
#endif
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