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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "GSRenderer.h"
#include "GSDirtyRect.h"
class GSTextureCache
{
public:
enum {RenderTarget, DepthStencil};
class Surface : public GSAlignedClass<32>
{
protected:
GSRenderer* m_renderer;
public:
GSTexture* m_texture;
GIFRegTEX0 m_TEX0;
GIFRegTEXA m_TEXA;
int m_age;
uint8* m_temp;
bool m_32_bits_fmt; // Allow to detect the casting of 32 bits as 16 bits texture
public:
Surface(GSRenderer* r, uint8* temp);
virtual ~Surface();
virtual void Update();
};
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;
bool m_target;
bool m_complete;
bool m_repeating;
bool m_spritehack_t;
vector<GSVector2i>* m_p2t;
public:
Source(GSRenderer* r, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint8* temp);
virtual ~Source();
virtual void Update(const GSVector4i& rect);
};
class Target : public Surface
{
public:
int m_type;
bool m_used;
GSDirtyRectList m_dirty;
GSVector4i m_valid;
bool m_depth_supported;
bool m_dirty_alpha;
public:
Target(GSRenderer* r, const GIFRegTEX0& TEX0, uint8* temp, bool depth_supported);
virtual void Update();
};
class SourceMap
{
public:
hash_set<Source*> m_surfaces;
list<Source*> m_map[MAX_PAGES];
uint32 m_pages[16]; // bitmap of all pages
bool m_used;
SourceMap() : m_used(false) {memset(m_pages, 0, sizeof(m_pages));}
void Add(Source* s, const GIFRegTEX0& TEX0, const GSOffset* off);
void RemoveAll();
void RemovePartial();
void RemoveAt(Source* s);
};
protected:
GSRenderer* m_renderer;
SourceMap m_src;
list<Target*> m_dst[2];
bool m_paltex;
int m_spritehack;
bool m_preload_frame;
uint8* m_temp;
bool m_can_convert_depth;
int m_crc_hack_level;
static bool m_disable_partial_invalidation;
virtual Source* CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* t = NULL, bool half_right = false);
virtual Target* CreateTarget(const GIFRegTEX0& TEX0, int w, int h, int type);
virtual int Get8bitFormat() = 0;
// TODO: virtual void Write(Source* s, const GSVector4i& r) = 0;
// TODO: virtual void Write(Target* t, const GSVector4i& r) = 0;
#ifndef DISABLE_HW_TEXTURE_CACHE
virtual void Read(Target* t, const GSVector4i& r) = 0;
#endif
virtual bool CanConvertDepth() { return m_can_convert_depth; }
public:
GSTextureCache(GSRenderer* r);
virtual ~GSTextureCache();
#ifdef DISABLE_HW_TEXTURE_CACHE
virtual void Read(Target* t, const GSVector4i& r) = 0;
#endif
void RemoveAll();
void RemovePartial();
Source* LookupSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const GSVector4i& r);
Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h, int type, bool used);
Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h, int real_h);
void InvalidateVideoMemType(int type, uint32 bp);
void InvalidateVideoMem(GSOffset* off, const GSVector4i& r, bool target = true);
void InvalidateLocalMem(GSOffset* off, const GSVector4i& r);
void IncAge();
bool UserHacks_HalfPixelOffset;
const char* to_string(int type) {
return (type == DepthStencil) ? "Depth" : "Color";
}
void PrintMemoryUsage();
};
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