mirror of https://github.com/PCSX2/pcsx2.git
145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#pragma once
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#include "GSRenderer.h"
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#include "GSDirtyRect.h"
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class GSTextureCache
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{
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public:
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enum {RenderTarget, DepthStencil};
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class Surface : public GSAlignedClass<32>
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{
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protected:
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GSRenderer* m_renderer;
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public:
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GSTexture* m_texture;
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GIFRegTEX0 m_TEX0;
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GIFRegTEXA m_TEXA;
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int m_age;
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uint8* m_temp;
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public:
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Surface(GSRenderer* r, uint8* temp);
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virtual ~Surface();
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virtual void Update();
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};
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class Source : public Surface
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{
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struct {GSVector4i* rect; uint32 count;} m_write;
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void Write(const GSVector4i& r);
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void Flush(uint32 count);
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public:
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GSTexture* m_palette;
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bool m_alpha_palette; // in opengl palette value is either in red or alpha channel
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bool m_initpalette;
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uint32 m_valid[MAX_PAGES]; // each uint32 bits map to the 32 blocks of that page
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uint32* m_clut;
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bool m_target;
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bool m_complete;
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bool m_repeating;
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bool m_spritehack_t;
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vector<GSVector2i>* m_p2t;
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public:
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Source(GSRenderer* r, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint8* temp);
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virtual ~Source();
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virtual void Update(const GSVector4i& rect);
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};
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class Target : public Surface
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{
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public:
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int m_type;
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bool m_used;
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GSDirtyRectList m_dirty;
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GSVector4i m_valid;
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public:
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Target(GSRenderer* r, const GIFRegTEX0& TEX0, uint8* temp);
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virtual void Update();
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};
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class SourceMap
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{
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public:
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hash_set<Source*> m_surfaces;
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list<Source*> m_map[MAX_PAGES];
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uint32 m_pages[16]; // bitmap of all pages
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bool m_used;
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SourceMap() : m_used(false) {memset(m_pages, 0, sizeof(m_pages));}
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void Add(Source* s, const GIFRegTEX0& TEX0, const GSOffset* off);
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void RemoveAll();
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void RemovePartial();
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void RemoveAt(Source* s);
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};
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protected:
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GSRenderer* m_renderer;
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SourceMap m_src;
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list<Target*> m_dst[2];
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bool m_paltex;
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int m_spritehack;
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uint8* m_temp;
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virtual Source* CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* t = NULL, bool half_right = false);
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virtual Target* CreateTarget(const GIFRegTEX0& TEX0, int w, int h, int type);
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virtual int Get8bitFormat() = 0;
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// TODO: virtual void Write(Source* s, const GSVector4i& r) = 0;
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// TODO: virtual void Write(Target* t, const GSVector4i& r) = 0;
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#ifndef DISABLE_HW_TEXTURE_CACHE
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virtual void Read(Target* t, const GSVector4i& r) = 0;
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#endif
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public:
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GSTextureCache(GSRenderer* r);
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virtual ~GSTextureCache();
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#ifdef DISABLE_HW_TEXTURE_CACHE
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virtual void Read(Target* t, const GSVector4i& r) = 0;
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#endif
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void RemoveAll();
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void RemovePartial();
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Source* LookupSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const GSVector4i& r);
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Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h, int type, bool used);
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Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h);
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void InvalidateVideoMem(GSOffset* off, const GSVector4i& r, bool target = true);
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void InvalidateLocalMem(GSOffset* off, const GSVector4i& r);
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void IncAge();
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bool UserHacks_HalfPixelOffset;
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};
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