pcsx2/plugins/GSdx/GSTextureCacheSW.cpp

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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
*
*/
#include "stdafx.h"
#include "GSTextureCacheSW.h"
GSTextureCacheSW::GSTextureCacheSW(GSState* state)
: m_state(state)
{
}
GSTextureCacheSW::~GSTextureCacheSW()
{
RemoveAll();
}
GSTextureCacheSW::Texture* GSTextureCacheSW::Lookup(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, uint32 tw0)
{
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[TEX0.PSM];
Texture* t = NULL;
list<Texture*>& m = m_map[TEX0.TBP0 >> 5];
for(list<Texture*>::iterator i = m.begin(); i != m.end(); ++i)
{
Texture* t2 = *i;
if(((TEX0.u32[0] ^ t2->m_TEX0.u32[0]) | ((TEX0.u32[1] ^ t2->m_TEX0.u32[1]) & 3)) != 0) // TBP0 TBW PSM TW TH
{
continue;
}
if((psm.trbpp == 16 || psm.trbpp == 24) && TEX0.TCC && TEXA != t2->m_TEXA)
{
continue;
}
if(tw0 != 0 && t2->m_tw != tw0)
{
continue;
}
m.splice(m.begin(), m, i);
t = t2;
t->m_age = 0;
break;
}
if(t == NULL)
{
t = new Texture(m_state, tw0, TEX0, TEXA);
m_textures.insert(t);
for(const uint32* p = t->m_pages.n; *p != GSOffset::EOP; p++)
{
m_map[*p].push_front(t);
}
}
return t;
}
void GSTextureCacheSW::InvalidatePages(const uint32* pages, uint32 psm)
{
for(const uint32* p = pages; *p != GSOffset::EOP; p++)
{
uint32 page = *p;
const list<Texture*>& map = m_map[page];
for(list<Texture*>::const_iterator i = map.begin(); i != map.end(); ++i)
{
Texture* t = *i;
if(GSUtil::HasSharedBits(psm, t->m_sharedbits))
{
uint32* RESTRICT valid = t->m_valid;
if(t->m_repeating)
{
vector<GSVector2i>& l = t->m_p2t[page];
for(vector<GSVector2i>::iterator j = l.begin(); j != l.end(); ++j)
{
valid[j->x] &= j->y;
}
}
else
{
valid[page] = 0;
}
t->m_complete = false;
}
}
}
}
void GSTextureCacheSW::RemoveAll()
{
for_each(m_textures.begin(), m_textures.end(), delete_object());
m_textures.clear();
for(int i = 0; i < MAX_PAGES; i++)
{
m_map[i].clear();
}
}
void GSTextureCacheSW::IncAge()
{
for(hash_set<Texture*>::iterator i = m_textures.begin(); i != m_textures.end(); )
{
hash_set<Texture*>::iterator j = i++;
Texture* t = *j;
if(++t->m_age > 10)
{
m_textures.erase(j);
for(const uint32* p = t->m_pages.n; *p != GSOffset::EOP; p++)
{
list<Texture*>& m = m_map[*p];
for(list<Texture*>::iterator i = m.begin(); i != m.end(); )
{
list<Texture*>::iterator j = i++;
if(*j == t) {m.erase(j); break;}
}
}
delete t;
}
}
}
//
GSTextureCacheSW::Texture::Texture(GSState* state, uint32 tw0, const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA)
: m_state(state)
, m_buff(NULL)
, m_tw(tw0)
, m_age(0)
, m_complete(false)
, m_p2t(NULL)
{
m_TEX0 = TEX0;
m_TEXA = TEXA;
if(m_tw == 0)
{
m_tw = std::max<int>(m_TEX0.TW, GSLocalMemory::m_psm[m_TEX0.PSM].pal == 0 ? 3 : 5); // makes one row 32 bytes at least, matches the smallest block size that is allocated for m_buff
}
memset(m_valid, 0, sizeof(m_valid));
memset(m_pages.bm, 0, sizeof(m_pages.bm));
m_sharedbits = GSUtil::HasSharedBitsPtr(m_TEX0.PSM);
m_offset = m_state->m_mem.GetOffset(TEX0.TBP0, TEX0.TBW, TEX0.PSM);
m_pages.n = m_offset->GetPages(GSVector4i(0, 0, 1 << TEX0.TW, 1 << TEX0.TH));
for(const uint32* p = m_pages.n; *p != GSOffset::EOP; p++)
{
uint32 page = *p;
m_pages.bm[page >> 5] |= 1 << (page & 31);
}
m_repeating = m_TEX0.IsRepeating(); // repeating mode always works, it is just slightly slower
if(m_repeating)
{
m_p2t = m_state->m_mem.GetPage2TileMap(m_TEX0);
}
}
GSTextureCacheSW::Texture::~Texture()
{
delete [] m_pages.n;
if(m_buff)
{
_aligned_free(m_buff);
}
}
bool GSTextureCacheSW::Texture::Update(const GSVector4i& rect)
{
if(m_complete)
{
return true;
}
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[m_TEX0.PSM];
GSVector2i bs = psm.bs;
int shift = psm.pal == 0 ? 2 : 0;
int tw = std::max<int>(1 << m_TEX0.TW, bs.x);
int th = std::max<int>(1 << m_TEX0.TH, bs.y);
GSVector4i r = rect;
r = r.ralign<Align_Outside>(bs);
if(r.eq(GSVector4i(0, 0, tw, th)))
{
m_complete = true; // lame, but better than nothing
}
if(m_buff == NULL)
{
uint32 pitch = (1 << m_tw) << shift;
m_buff = _aligned_malloc(pitch * th * 4, 32);
if(m_buff == NULL)
{
return false;
}
}
GSLocalMemory& mem = m_state->m_mem;
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const GSOffset* RESTRICT off = m_offset;
uint32 blocks = 0;
GSLocalMemory::readTextureBlock rtxbP = psm.rtxbP;
uint32 pitch = (1 << m_tw) << shift;
uint8* dst = (uint8*)m_buff + pitch * r.top;
int block_pitch = pitch * bs.y;
r = r.srl32(3);
bs.x >>= 3;
bs.y >>= 3;
shift += 3;
if(m_repeating)
{
for(int y = r.top; y < r.bottom; y += bs.y, dst += block_pitch)
{
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uint32 base = off->block.row[y];
for(int x = r.left, i = (y << 7) + x; x < r.right; x += bs.x, i += bs.x)
{
uint32 block = (base + off->block.col[x]) % MAX_BLOCKS;
uint32 row = i >> 5;
uint32 col = 1 << (i & 31);
if((m_valid[row] & col) == 0)
{
m_valid[row] |= col;
(mem.*rtxbP)(block, &dst[x << shift], pitch, m_TEXA);
blocks++;
}
}
}
}
else
{
for(int y = r.top; y < r.bottom; y += bs.y, dst += block_pitch)
{
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uint32 base = off->block.row[y];
for(int x = r.left; x < r.right; x += bs.x)
{
uint32 block = (base + off->block.col[x]) % MAX_BLOCKS;
uint32 row = block >> 5;
uint32 col = 1 << (block & 31);
if((m_valid[row] & col) == 0)
{
m_valid[row] |= col;
(mem.*rtxbP)(block, &dst[x << shift], pitch, m_TEXA);
blocks++;
}
}
}
}
if(blocks > 0)
{
m_state->m_perfmon.Put(GSPerfMon::Unswizzle, bs.x * bs.y * blocks << shift);
}
return true;
}
#include "GSTextureSW.h"
bool GSTextureCacheSW::Texture::Save(const string& fn, bool dds) const
{
const uint32* RESTRICT clut = m_state->m_mem.m_clut;
int w = 1 << m_TEX0.TW;
int h = 1 << m_TEX0.TH;
GSTextureSW t(0, w, h);
GSTexture::GSMap m;
if(t.Map(m, NULL))
{
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[m_TEX0.PSM];
const uint8* RESTRICT src = (uint8*)m_buff;
int pitch = 1 << (m_tw + (psm.pal == 0 ? 2 : 0));
for(int j = 0; j < h; j++, src += pitch, m.bits += m.pitch)
{
if(psm.pal == 0)
{
memcpy(m.bits, src, sizeof(uint32) * w);
}
else
{
for(int i = 0; i < w; i++)
{
((uint32*)m.bits)[i] = clut[src[i]];
}
}
}
t.Unmap();
return t.Save(fn);
}
return false;
}