pcsx2/plugins/GSdx/GSTextureCache.h

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/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "GSRenderer.h"
class GSTextureCache
{
public:
class GSSurface : public GSAlignedClass<16>
{
protected:
GSRenderer* m_renderer;
public:
GSTexture* m_texture;
GSTexture* m_palette;
bool m_initpalette;
int m_age;
GSDirtyRectList m_dirty;
GIFRegTEX0 m_TEX0;
explicit GSSurface(GSRenderer* r);
virtual ~GSSurface();
virtual void Update();
};
class GSRenderTarget : public GSSurface
{
public:
bool m_used;
explicit GSRenderTarget(GSRenderer* r);
virtual bool Create(int w, int h);
virtual void Read(const GSVector4i& r) = 0;
};
class GSDepthStencil : public GSSurface
{
public:
bool m_used;
explicit GSDepthStencil(GSRenderer* renderer);
virtual bool Create(int w, int h);
};
class GSCachedTexture : public GSSurface
{
protected:
bool GetDirtyRect(GSVector4i& r);
public:
GIFRegCLAMP m_CLAMP;
uint32* m_clut; // *
GSVector4i m_valid;
int m_bpp;
int m_bpp2;
bool m_rendered;
explicit GSCachedTexture(GSRenderer* renderer);
virtual ~GSCachedTexture();
void Update();
virtual bool Create() = 0;
virtual bool Create(GSRenderTarget* rt) = 0;
virtual bool Create(GSDepthStencil* ds) = 0;
};
protected:
GSRenderer* m_renderer;
list<GSRenderTarget*> m_rt;
list<GSDepthStencil*> m_ds;
list<GSCachedTexture*> m_tex;
template<class T> void RecycleByAge(list<T*>& l, int maxage = 60)
{
for(list<T*>::iterator i = l.begin(); i != l.end(); )
{
list<T*>::iterator j = i++;
T* t = *j;
if(++t->m_age > maxage)
{
l.erase(j);
delete t;
}
}
}
virtual GSRenderTarget* CreateRenderTarget() = 0;
virtual GSDepthStencil* CreateDepthStencil() = 0;
virtual GSCachedTexture* CreateTexture() = 0;
public:
GSTextureCache(GSRenderer* r);
virtual ~GSTextureCache();
void RemoveAll();
GSRenderTarget* GetRenderTarget(const GIFRegTEX0& TEX0, int w, int h, bool fb = false);
GSDepthStencil* GetDepthStencil(const GIFRegTEX0& TEX0, int w, int h);
GSCachedTexture* GetTexture();
void InvalidateTextures(const GIFRegFRAME& FRAME, const GIFRegZBUF& ZBUF);
void InvalidateVideoMem(const GIFRegBITBLTBUF& BITBLTBUF, const GSVector4i& r);
void InvalidateLocalMem(const GIFRegBITBLTBUF& BITBLTBUF, const GSVector4i& r);
void IncAge();
};