mirror of https://github.com/PCSX2/pcsx2.git
75 lines
2.2 KiB
C++
75 lines
2.2 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 "Renderers/Common/GSRenderer.h"
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#include "Renderers/Common/GSFastList.h"
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class GSTextureCacheSW
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{
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public:
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class Texture
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{
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public:
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GSState* m_state;
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GSOffset* m_offset;
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GIFRegTEX0 m_TEX0;
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GIFRegTEXA m_TEXA;
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void* m_buff;
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uint32 m_tw;
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uint32 m_age;
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bool m_complete;
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bool m_repeating;
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std::vector<GSVector2i>* m_p2t;
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uint32 m_valid[MAX_PAGES];
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std::array<uint16, MAX_PAGES> m_erase_it;
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struct {uint32 bm[16]; const uint32* n;} m_pages;
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const uint32* RESTRICT m_sharedbits;
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// m_valid
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// fast mode: each uint32 bits map to the 32 blocks of that page
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// repeating mode: 1 bpp image of the texture tiles (8x8), also having 512 elements is just a coincidence (worst case: (1024*1024)/(8*8)/(sizeof(uint32)*8))
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Texture(GSState* state, uint32 tw0, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA);
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virtual ~Texture();
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bool Update(const GSVector4i& r);
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bool Save(const std::string& fn, bool dds = false) const;
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};
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protected:
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GSState* m_state;
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std::unordered_set<Texture*> m_textures;
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std::array<FastList<Texture*>, MAX_PAGES> m_map;
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public:
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GSTextureCacheSW(GSState* state);
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virtual ~GSTextureCacheSW();
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Texture* Lookup(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint32 tw0 = 0);
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void InvalidatePages(const uint32* pages, uint32 psm);
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void RemoveAll();
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void IncAge();
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};
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