pcsx2/plugins/GSdx/GSTextureCacheSW.cpp

376 lines
7.6 KiB
C++

/*
* 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, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "StdAfx.h"
#include "GSTextureCacheSW.h"
// static FILE* m_log = NULL;
GSTextureCacheSW::GSTextureCacheSW(GSState* state)
: m_state(state)
{
// m_log = _tfopen(_T("c:\\log.txt"), _T("w"));
}
GSTextureCacheSW::~GSTextureCacheSW()
{
// fclose(m_log);
RemoveAll();
}
const GSTextureCacheSW::GSTexture* GSTextureCacheSW::Lookup(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const CRect* r)
{
GSLocalMemory& mem = m_state->m_mem;
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[TEX0.PSM];
const CAtlList<GSTexturePage*>& t2p = m_p2t[TEX0.TBP0 >> 5];
// fprintf(m_log, "lu %05x %d %d (%d) ", TEX0.TBP0, TEX0.TBW, TEX0.PSM, t2p.GetCount());
// if(r) fprintf(m_log, "(%d %d %d %d) ", r->left, r->top, r->right, r->bottom);
GSTexture* t = NULL;
POSITION pos = t2p.GetHeadPosition();
while(pos)
{
GSTexture* t2 = t2p.GetNext(pos)->t;
// if(t2->m_TEX0.TBP0 != TEX0.TBP0 || t2->m_TEX0.TBW != TEX0.TBW || t2->m_TEX0.PSM != TEX0.PSM || t2->m_TEX0.TW != TEX0.TW || t2->m_TEX0.TH != TEX0.TH)
if(((t2->m_TEX0.ai32[0] ^ TEX0.ai32[0]) | ((t2->m_TEX0.ai32[1] ^ TEX0.ai32[1]) & 3)) != 0)
{
continue;
}
if((psm.trbpp == 16 || psm.trbpp == 24) && (t2->m_TEX0.TCC != TEX0.TCC || TEX0.TCC == 1 && !(t2->m_TEXA == (GSVector4i)TEXA).alltrue()))
{
continue;
}
// fprintf(m_log, "cache hit\n");
t = t2;
t->m_age = 0;
break;
}
if(t == NULL)
{
// fprintf(m_log, "cache miss\n");
t = new GSTexture(m_state);
t->m_pos = m_textures.AddTail(t);
int tw = 1 << TEX0.TW;
int th = 1 << TEX0.TH;
DWORD bp = TEX0.TBP0;
DWORD bw = TEX0.TBW;
for(int j = 0, y = 0; y < th; j++, y += psm.pgs.cy)
{
DWORD page = psm.pgn(0, y, bp, bw);
for(int i = 0, x = 0; x < tw && page < MAX_PAGES; i++, x += psm.pgs.cx, page++)
{
GSTexturePage* p = new GSTexturePage();
p->t = t;
p->row = j;
p->col = i;
GSTexturePageEntry* p2te = new GSTexturePageEntry();
p2te->p2t = &m_p2t[page];
p2te->pos = m_p2t[page].AddHead(p);
t->m_p2te.AddTail(p2te);
t->m_maxpages++;
}
}
}
if(!t->Update(TEX0, TEXA, r))
{
m_textures.RemoveAt(t->m_pos);
delete t;
printf("!@#$%\n"); // memory allocation may fail if the game is too hungry
return NULL;
}
return t;
}
void GSTextureCacheSW::RemoveAll()
{
POSITION pos = m_textures.GetHeadPosition();
while(pos)
{
delete m_textures.GetNext(pos);
}
m_textures.RemoveAll();
for(int i = 0; i < MAX_PAGES; i++)
{
CAtlList<GSTexturePage*>& t2p = m_p2t[i];
ASSERT(t2p.IsEmpty());
POSITION pos = t2p.GetHeadPosition();
while(pos)
{
delete t2p.GetNext(pos);
}
t2p.RemoveAll();
}
}
void GSTextureCacheSW::IncAge()
{
POSITION pos = m_textures.GetHeadPosition();
while(pos)
{
POSITION cur = pos;
GSTexture* t = m_textures.GetNext(pos);
if(++t->m_age > 3)
{
m_textures.RemoveAt(cur);
delete t;
}
}
}
void GSTextureCacheSW::InvalidateVideoMem(const GIFRegBITBLTBUF& BITBLTBUF, const CRect& r)
{
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[BITBLTBUF.DPSM];
CRect r2;
r2.left = r.left & ~(psm.pgs.cx - 1);
r2.top = r.top & ~(psm.pgs.cy - 1);
r2.right = (r.right + (psm.pgs.cx - 1)) & ~(psm.pgs.cx - 1);
r2.bottom = (r.bottom + (psm.pgs.cy - 1)) & ~(psm.pgs.cy - 1);
DWORD bp = BITBLTBUF.DBP;
DWORD bw = BITBLTBUF.DBW;
// fprintf(m_log, "ivm %05x %d %d (%d %d %d %d)\n", bp, bw, BITBLTBUF.DPSM, r2.left, r2.top, r2.right, r2.bottom);
for(int y = r2.top; y < r2.bottom; y += psm.pgs.cy)
{
DWORD page = psm.pgn(r2.left, y, bp, bw);
for(int x = r2.left; x < r2.right && page < MAX_PAGES; x += psm.pgs.cx, page++)
{
const CAtlList<GSTexturePage*>& t2p = m_p2t[page];
POSITION pos = t2p.GetHeadPosition();
while(pos)
{
GSTexturePage* p = t2p.GetNext(pos);
DWORD flag = 1 << p->col;
if((p->t->m_valid[p->row] & flag) == 0)
{
continue;
}
if(GSUtil::HasSharedBits(BITBLTBUF.DPSM, p->t->m_TEX0.PSM))
{
p->t->m_valid[p->row] &= ~flag;
p->t->m_pages--;
// fprintf(m_log, "ivm hit %05x %d %d (%d %d) (%d)", p->t->m_TEX0.TBP0, p->t->m_TEX0.TBW, p->t->m_TEX0.PSM, p->row, p->col, p->t->m_pages);
// if(p->t->m_pages == 0) fprintf(m_log, " *");
// fprintf(m_log, "\n");
}
}
}
}
}
//
GSTextureCacheSW::GSTexture::GSTexture(GSState* state)
: m_state(state)
, m_buff(NULL)
, m_tw(0)
, m_maxpages(0)
, m_pages(0)
, m_pos(NULL)
, m_age(0)
{
memset(m_valid, 0, sizeof(m_valid));
}
GSTextureCacheSW::GSTexture::~GSTexture()
{
if(m_buff)
{
_aligned_free(m_buff);
}
POSITION pos = m_p2te.GetHeadPosition();
while(pos)
{
GSTexturePageEntry* p2te = m_p2te.GetNext(pos);
GSTexturePage* p = p2te->p2t->GetAt(p2te->pos);
ASSERT(p->t == this);
delete p;
p2te->p2t->RemoveAt(p2te->pos);
delete p2te;
}
m_p2te.RemoveAll();
}
bool GSTextureCacheSW::GSTexture::Update(const GIFRegTEX0& TEX0, const GIFRegTEXA& TEXA, const CRect* r)
{
if(m_pages == m_maxpages)
{
return true;
}
m_TEX0 = TEX0;
m_TEXA = TEXA;
GSLocalMemory& mem = m_state->m_mem;
const GSLocalMemory::psm_t& psm = GSLocalMemory::m_psm[TEX0.PSM];
int tw = 1 << TEX0.TW;
int th = 1 << TEX0.TH;
if(tw < psm.bs.cx) tw = psm.bs.cx;
if(th < psm.bs.cy) th = psm.bs.cy;
if(m_buff == NULL)
{
// fprintf(m_log, "up new (%d %d)\n", tw, th);
m_buff = _aligned_malloc(tw * th * sizeof(DWORD), 16);
if(m_buff == NULL)
{
return false;
}
m_tw = max(psm.pal > 0 ? 5 : 3, TEX0.TW); // makes one row 32 bytes at least, matches the smallest block size that is allocated above for m_buff
}
CRect r2;
if(r)
{
r2.left = r->left & ~(psm.pgs.cx - 1);
r2.top = r->top & ~(psm.pgs.cy - 1);
r2.right = (r->right + (psm.pgs.cx - 1)) & ~(psm.pgs.cx - 1);
r2.bottom = (r->bottom + (psm.pgs.cy - 1)) & ~(psm.pgs.cy - 1);
}
// TODO
GSLocalMemory::readTexture rt = psm.pal > 0 ? psm.rtxP : psm.rtx;
int bytes = psm.pal > 0 ? 1 : 4;
BYTE* dst = (BYTE*)m_buff;
DWORD pitch = (1 << m_tw) * bytes;
DWORD mask = pitch - 1;
for(int j = 0, y = 0; y < th; j++, y += psm.pgs.cy, dst += pitch * psm.pgs.cy)
{
if(m_valid[j] == mask)
{
continue;
}
if(r)
{
if(y < r2.top) continue;
if(y >= r2.bottom) break;
}
DWORD page = psm.pgn(0, y, TEX0.TBP0, TEX0.TBW);
for(int i = 0, x = 0; x < tw && page < MAX_PAGES; i++, x += psm.pgs.cx, page++)
{
if(r)
{
if(x < r2.left) continue;
if(x >= r2.right) break;
}
DWORD flag = 1 << i;
if(m_valid[j] & flag)
{
continue;
}
m_valid[j] |= flag;
m_pages++;
ASSERT(m_pages <= m_maxpages);
CRect r;
r.left = x;
r.top = y;
r.right = min(x + psm.pgs.cx, tw);
r.bottom = min(y + psm.pgs.cy, th);
// fprintf(m_log, "up fetch (%d %d) (%d %d %d %d)\n", j, i, r.left, r.top, r.right, r.bottom);
(mem.*rt)(r, &dst[x * bytes], pitch, TEX0, TEXA);
m_state->m_perfmon.Put(GSPerfMon::Unswizzle, r.Width() * r.Height() * bytes);
}
}
return true;
}