pcsx2/plugins/GSdx/Renderers/Common/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, 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 "GSFastList.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
bool m_shared_texture;
public:
Surface(GSRenderer* r, uint8* temp);
virtual ~Surface();
void UpdateAge();
};
struct PaletteKey {
const uint32* clut;
uint16 pal;
};
class Palette
{
private:
uint32* m_clut;
uint16 m_pal;
GSTexture* m_tex_palette;
const GSRenderer* m_renderer;
public:
Palette(const GSRenderer* renderer, uint16 pal, bool need_gs_texture);
~Palette();
// Disable copy constructor and copy operator
Palette(const Palette&) = delete;
Palette& operator=(const Palette&) = delete;
// Disable move constructor and move operator
Palette(const Palette&&) = delete;
Palette& operator=(const Palette&&) = delete;
GSTexture* GetPaletteGSTexture();
PaletteKey GetPaletteKey();
void InitializeTexture();
};
struct PaletteKeyHash {
// Calculate hash
std::size_t operator()(const PaletteKey &key) const;
};
struct PaletteKeyEqual {
// Compare pal value and clut contents
bool operator()(const PaletteKey &lhs, const PaletteKey &rhs) const;
};
class Source : public Surface
{
struct {GSVector4i* rect; uint32 count;} m_write;
void Write(const GSVector4i& r, int layer);
void Flush(uint32 count, int layer);
public:
std::shared_ptr<Palette> m_palette_obj;
GSTexture* m_palette;
uint32 m_valid[MAX_PAGES]; // each uint32 bits map to the 32 blocks of that page
bool m_target;
bool m_complete;
bool m_repeating;
bool m_spritehack_t;
std::vector<GSVector2i>* m_p2t;
// Keep a trace of the target origin. There is no guarantee that pointer will
// still be valid on future. However it ought to be good when the source is created
// so it can be used to access un-converted data for the current draw call.
GSTexture* m_from_target;
GIFRegTEX0 m_layer_TEX0[7]; // Detect already loaded value
// Keep a GSTextureCache::SourceMap::m_map iterator to allow fast erase
std::array<uint16, MAX_PAGES> m_erase_it;
uint32* m_pages_as_bit;
public:
Source(GSRenderer* r, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint8* temp, bool dummy_container = false);
virtual ~Source();
void Update(const GSVector4i& rect, int layer = 0);
void UpdateLayer(const GIFRegTEX0& TEX0, const GSVector4i& rect, int layer = 0);
bool ClutMatch(PaletteKey palette_key);
};
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;
uint32 m_end_block; // Hint of the target area
public:
Target(GSRenderer* r, const GIFRegTEX0& TEX0, uint8* temp, bool depth_supported);
void UpdateValidity(const GSVector4i& rect);
bool Inside(uint32 bp, uint32 bw, uint32 psm, const GSVector4i& rect);
void Update();
};
class PaletteMap
{
private:
static const uint16 MAX_SIZE = 65535; // Max size of each map.
const GSRenderer* m_renderer;
// Array of 2 maps, the first for 64B palettes and the second for 1024B palettes.
// Each map stores the key PaletteKey (clut copy, pal value) pointing to the relevant shared pointer to Palette object.
// There is one PaletteKey per Palette, and the hashing and comparison of PaletteKey is done with custom operators PaletteKeyHash and PaletteKeyEqual.
std::array<std::unordered_map<PaletteKey, std::shared_ptr<Palette>, PaletteKeyHash, PaletteKeyEqual>, 2> m_maps;
public:
PaletteMap(const GSRenderer* renderer);
// Retrieves a shared pointer to a valid Palette from m_maps or creates a new one adding it to the data structure
std::shared_ptr<Palette> LookupPalette(uint16 pal, bool need_gs_texture);
void Clear(); // Clears m_maps, thus deletes Palette objects
};
class SourceMap
{
public:
std::unordered_set<Source*> m_surfaces;
std::array<FastList<Source*>, MAX_PAGES> m_map;
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, GSOffset* off);
void RemoveAll();
void RemovePartial();
void RemoveAt(Source* s);
};
protected:
GSRenderer* m_renderer;
PaletteMap m_palette_map;
SourceMap m_src;
FastList<Target*> m_dst[2];
bool m_paltex;
int m_spritehack;
bool m_preload_frame;
uint8* m_temp;
bool m_can_convert_depth;
bool m_cpu_fb_conversion;
CRCHackLevel m_crc_hack_level;
static bool m_disable_partial_invalidation;
bool m_texture_inside_rt;
static bool m_wrap_gs_mem;
virtual Source* CreateSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, Target* t = NULL, bool half_right = false, int x_offset = 0, int y_offset = 0);
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;
public:
GSTextureCache(GSRenderer* r);
virtual ~GSTextureCache();
virtual void Read(Target* t, const GSVector4i& r) = 0;
virtual void Read(Source* t, const GSVector4i& r) = 0;
void RemoveAll();
void RemovePartial();
Source* LookupSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const GSVector4i& r);
Source* LookupDepthSource(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const GSVector4i& r, bool palette = false);
Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h, int type, bool used, uint32 fbmask = 0);
Target* LookupTarget(const GIFRegTEX0& TEX0, int w, int h, int real_h);
void InvalidateVideoMemType(int type, uint32 bp);
void InvalidateVideoMemSubTarget(GSTextureCache::Target* rt);
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void InvalidateVideoMem(GSOffset* off, const GSVector4i& r, bool target = true);
void InvalidateLocalMem(GSOffset* off, const GSVector4i& r);
void IncAge();
bool UserHacks_HalfPixelOffset;
void ScaleTexture(GSTexture* texture);
const char* to_string(int type) {
return (type == DepthStencil) ? "Depth" : "Color";
}
void PrintMemoryUsage();
void AttachPaletteToSource(Source* s, uint16 pal, bool need_gs_texture);
};