pcsx2/plugins/GSdx/GSTextureCache.h

128 lines
3.0 KiB
C++

/*
* 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:
enum {RenderTarget, DepthStencil};
class Surface : public GSAlignedClass<16>
{
protected:
GSRenderer* m_renderer;
public:
GSTexture* m_texture;
GIFRegTEX0 m_TEX0;
GIFRegTEXA m_TEXA;
int m_age;
public:
explicit Surface(GSRenderer* r);
virtual ~Surface();
virtual void Update();
};
class Target;
class Source : public Surface
{
struct {GSVector4i* rect; uint32 count;} m_write;
void Write(const GSVector4i& r);
void Flush(uint32 count);
public:
GSTexture* m_palette;
bool m_initpalette;
uint32 m_valid[MAX_PAGES]; // each uint32 bits map to the 32 blocks of that page
uint32* m_clut;
int m_bpp;
bool m_target;
bool m_complete;
public:
explicit Source(GSRenderer* renderer);
virtual ~Source();
virtual bool Create() = 0;
virtual bool Create(Target* dst) = 0;
virtual void Update(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const GSVector4i& rect);
};
class Target : public Surface
{
public:
int m_type;
bool m_used;
GSDirtyRectList m_dirty;
public:
explicit Target(GSRenderer* r);
virtual bool Create(int w, int h, int type);
virtual void Update();
virtual void Read(const GSVector4i& r) = 0;
};
protected:
GSRenderer* m_renderer;
struct SourceMap
{
hash_map<Source*, bool> m_surfaces;
hash_map<Source*, bool> m_map[MAX_PAGES];
uint32 m_pages[16];
bool m_used;
SourceMap() : m_used(false) {memset(m_pages, 0, sizeof(m_pages));}
void Add(Source* s, const GIFRegTEX0& TEX0, GSLocalMemory& mem);
void RemoveAll();
void RemoveAt(Source* s);
} m_src;
list<Target*> m_dst[2];
virtual Source* CreateSource() = 0;
virtual Target* CreateTarget() = 0;
public:
GSTextureCache(GSRenderer* r);
virtual ~GSTextureCache();
void RemoveAll();
Source* LookupSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const GSVector4i& r);
Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h, int type, bool used, bool fb = false);
void InvalidateVideoMem(const GIFRegBITBLTBUF& BITBLTBUF, const GSVector4i& r, bool target = true);
void InvalidateLocalMem(const GIFRegBITBLTBUF& BITBLTBUF, const GSVector4i& r);
void IncAge();
};