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pcsx2/plugins/zzogl-pg/opengl/GifTransfer.cpp

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/* ZeroGS KOSMOS
* Copyright (C) 2005-2006 zerofrog@gmail.com
*
* 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 of the License, 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "GS.h"
#include "Mem.h"
#include "zerogs.h"
#include "GifTransfer.h"
#ifdef _DEBUG
static int count = 0;
#endif
/*void _GSgifPacket(pathInfo *path, u32 *pMem) // 128bit
{
FUNCLOG
int reg = (int)((path->regs >> path->regn) & 0xf);
g_GIFPackedRegHandlers[reg](pMem);
path->regn += 4;
if (path->nreg == path->regn)
{
path->regn = 0;
path->nloop--;
}
}
void _GSgifRegList(pathInfo *path, u32 *pMem) // 64bit
{
FUNCLOG
int reg = (int)((path->regs >> path->regn) & 0xf);
g_GIFRegHandlers[reg](pMem);
path->regn += 4;
if (path->nreg == path->regn)
{
path->regn = 0;
path->nloop--;
}
}*/
static int nPath3Hack = 0;
void CALLBACK GSgetLastTag(u64* ptag)
{
FUNCLOG
*(u32*)ptag = nPath3Hack;
nPath3Hack = 0;
}
#ifdef _WIN32
// for debug assertion checks (thread affinity checks)
extern HANDLE g_hCurrentThread;
#endif
__forceinline void gifTransferLog(int index, u32 *pMem, u32 size)
{
#ifdef _DEBUG
if( conf.log & 0x20 )
{
static int nSaveIndex = 0;
GS_LOG("%d: p:%d %x\n", nSaveIndex++, index + 1, size);
int vals[4] = {0};
for(u32 i = 0; i < size; i++)
{
for(u32 j = 0; j < 4; ++j )
vals[j] ^= pMem[4*i+j];
}
GS_LOG("%x %x %x %x\n", vals[0], vals[1], vals[2], vals[3]);
}
#endif
}
#ifdef NEW_GIF_TRANSFER
extern int g_GSMultiThreaded;
template<int index> void _GSgifTransfer(u32 *pMem, u32 size)
{
FUNCLOG
pathInfo *path = &gs.path[index];
#ifdef _WIN32
assert( g_hCurrentThread == GetCurrentThread() );
#endif
#ifdef _DEBUG
gifTransferLog(index, pMem, size);
#endif
while(size > 0)
{
//LOG(_T("Transfer(%08x, %d) START\n"), pMem, size);
if (path->nloop == 0)
{
path->setTag(pMem);
pMem += 4;
size--;
if ((g_GameSettings & GAME_PATH3HACK) && (index == 2) && path->eop) nPath3Hack = 1;
// eeuser 7.2.2. GIFtag: "... when NLOOP is 0, the GIF does not output anything, and
// values other than the EOP field are disregarded."
if (path->nloop > 0)
{
gs.q = 1.0f;
if(path->tag.PRE && (path->tag.FLG == GIF_FLG_PACKED))
{
u32 tagprim = path->tag.PRIM;
GIFRegHandlerPRIM((u32*)&tagprim);
}
}
}
else
{
switch(path->mode)
{
case GIF_FLG_PACKED:
{
// Needs to be looked at.
// first try a shortcut for a very common case
/*if(path.adonly && size >= path.nloop)
{
size -= path.nloop;
do
{
GIFPackedRegHandlerA_D(pMem);
mem += sizeof(GIFPackedReg);
}
while(--path.nloop > 0);*/
do
{
g_GIFPackedRegHandlers[path->GetReg()](pMem);
pMem += 4;
size--;
}
while (path->StepReg() && (size > 0));
break;
}
case GIF_FLG_REGLIST:
{
// Needs to be looked at.
//GS_LOG("%8.8x%8.8x %d L\n", ((u32*)&gs.regs)[1], *(u32*)&gs.regs, path->tag.nreg/4);
size *= 2;
do
{
g_GIFRegHandlers[path->GetReg()](pMem);
pMem += 2;
size--;
}
while(path->StepReg() && (size > 0));
if(size & 1) pMem += 2;
size /= 2;
break;
}
case GIF_FLG_IMAGE: // FROM_VFRAM
case GIF_FLG_IMAGE2: // Used in the DirectX version, so we'll use it here too.
{
int len = min(size, path->nloop);
//ERROR_LOG("GIF_FLG_IMAGE(%d)=%d\n", gs.imageTransfer, len);
switch(gs.imageTransfer)
{
case 0:
ZeroGS::TransferHostLocal(pMem, len * 4);
break;
case 1:
ZeroGS::TransferLocalHost(pMem, len);
break;
case 2:
//Move();
//ERROR_LOG("GIF_FLG_IMAGE MOVE");
break;
case 3:
//assert(0);
break;
default:
//assert(0);
break;
}
pMem += len * 4;
path->nloop -= len;
size -= len;
break;
}
default: // GIF_IMAGE
GS_LOG("*** WARNING **** Unexpected GIFTag flag\n");
assert(0);
path->nloop = 0;
break;
}
}
if (index == 0)
{
if(path->tag.EOP && path->nloop == 0)
{
break;
}
}
}
// This is the case when not all data was readed from one try: VU1 has too much data.
// So we should redo reading from the start.
if (index == 0)
{
if(size == 0 && path->nloop > 0)
{
if (g_GSMultiThreaded)
{
path->nloop = 0;
}
else
{
_GSgifTransfer<0>(pMem - 0x4000, 0x4000 / 16);
}
}
}
}
void CALLBACK GSgifTransfer1(u32 *pMem, u32 addr)
{
FUNCLOG
//GS_LOG("GSgifTransfer1 0x%x (mode %d)\n", addr, path->mode);
#ifdef _DEBUG
PRIM_LOG("count: %d\n", count);
count++;
#endif
_GSgifTransfer<0>((u32*)((u8*)pMem + addr), (0x4000 - addr)/16);
}
void CALLBACK GSgifTransfer2(u32 *pMem, u32 size)
{
FUNCLOG
//GS_LOG("GSgifTransfer2 size = %lx (mode %d, gs.path2.tag.nloop = %d)\n", size, gs.path[1].mode, gs.path[1].tag.nloop);
_GSgifTransfer<1>(pMem, size);
}
void CALLBACK GSgifTransfer3(u32 *pMem, u32 size)
{
FUNCLOG
//GS_LOG("GSgifTransfer3 size = %lx (mode %d, gs.path3.tag.nloop = %d)\n", size, gs.path[2].mode, gs.path[2].tag.nloop);
_GSgifTransfer<2>(pMem, size);
}
#else
template<int index> void _GSgifTransfer(u32 *pMem, u32 size)
{
FUNCLOG
pathInfo *path = &gs.path[index];
#ifdef _WIN32
assert( g_hCurrentThread == GetCurrentThread() );
#endif
#ifdef _DEBUG
gifTransferLog(index, pMem, size);
#endif
while(size > 0)
{
//LOG(_T("Transfer(%08x, %d) START\n"), pMem, size);
if (path->nloop == 0)
{
path->setTag(pMem);
gs.q = 1;
pMem += 4;
size--;
if ((g_GameSettings & GAME_PATH3HACK) && (index == 2) && path->eop) nPath3Hack = 1;
if (index == 0)
{
if (path->mode == GIF_FLG_PACKED)
{
// check if 0xb is in any reg, if yes, exit (kh2)
for(int i = 0; i < path->nreg; i += 4)
{
if (((path->regs >> i) & 0xf) == 11)
{
ERROR_LOG_SPAM("Invalid unpack type\n");
path->nloop = 0;
return;
}
}
}
}
if(path->nloop == 0 )
{
if (index == 0)
{
// ffx hack
if( path->eop ) return;
continue;
}
/*if( !path->eop )
{
//DEBUG_LOG("continuing from eop\n");
continue;
}*/
// Issue 174 fix!
continue;
}
}
switch(path->mode)
{
case GIF_FLG_PACKED:
{
assert( path->nloop > 0 );
for(; size > 0; size--, pMem += 4)
{
int reg = (int)((path->regs >> path->regn) & 0xf);
g_GIFPackedRegHandlers[reg](pMem);
path->regn += 4;
if (path->nreg == path->regn)
{
path->regn = 0;
if( path->nloop-- <= 1 )
{
size--;
pMem += 4;
break;
}
}
}
break;
}
case GIF_FLG_REGLIST:
{
//GS_LOG("%8.8x%8.8x %d L\n", ((u32*)&gs.regs)[1], *(u32*)&gs.regs, path->tag.nreg/4);
assert( path->nloop > 0 );
size *= 2;
for(; size > 0; pMem+= 2, size--)
{
int reg = (int)((path->regs >> path->regn) & 0xf);
g_GIFRegHandlers[reg](pMem);
path->regn += 4;
if (path->nreg == path->regn)
{
path->regn = 0;
if( path->nloop-- <= 1 )
{
size--;
pMem += 2;
break;
}
}
}
if( size & 1 ) pMem += 2;
size /= 2;
break;
}
case GIF_FLG_IMAGE: // FROM_VFRAM
case GIF_FLG_IMAGE2: // Used in the DirectX version, so we'll use it here too.
{
if(gs.imageTransfer >= 0 && gs.imageTransfer <= 1)
{
int process = min((int)size, path->nloop);
if( process > 0 )
{
if ( gs.imageTransfer )
ZeroGS::TransferLocalHost(pMem, process);
else
ZeroGS::TransferHostLocal(pMem, process*4);
path->nloop -= process;
pMem += process*4;
size -= process;
assert( size == 0 || path->nloop == 0 );
}
break;
}
else
{
// simulate
int process = min((int)size, path->nloop);
path->nloop -= process;
pMem += process*4;
size -= process;
}
break;
}
default: // GIF_IMAGE
GS_LOG("*** WARNING **** Unexpected GIFTag flag\n");
assert(0);
path->nloop = 0;
break;
}
if ((index == 0) && path->eop) return;
}
// This is the case when not all data was readed from one try: VU1 has too much data.
// So we should redo reading from the start.
if ((index == 0) && size == 0 && path->nloop > 0)
{
ERROR_LOG_SPAMA("VU1 too much data, ignore if gfx are fine %d\n", path->nloop)
// TODO: this code is not working correctly. Anyway, ringing work only in single-threaded mode.
// _GSgifTransfer(&gs.path[0], (u32*)((u8*)pMem-0x4000), (0x4000)/16);
}
}
void CALLBACK GSgifTransfer1(u32 *pMem, u32 addr)
{
FUNCLOG
pathInfo *path = &gs.path[0];
//GS_LOG("GSgifTransfer1 0x%x (mode %d)\n", addr, path->mode);
// addr &= 0x3fff;
#ifdef _DEBUG
PRIM_LOG("count: %d\n", count);
count++;
#endif
path->nloop = 0;
path->eop = 0;
_GSgifTransfer<0>((u32*)((u8*)pMem + addr), (0x4000 - addr)/16);
if (!path->eop && (path->nloop > 0))
{
assert( (addr&0xf) == 0 ); //BUG
path->nloop = 0;
ERROR_LOG("Transfer1 - 2\n");
return;
}
}
void CALLBACK GSgifTransfer2(u32 *pMem, u32 size)
{
FUNCLOG
//GS_LOG("GSgifTransfer2 size = %lx (mode %d, gs.path2.tag.nloop = %d)\n", size, gs.path[1].mode, gs.path[1].tag.nloop);
_GSgifTransfer<1>(pMem, size);
}
void CALLBACK GSgifTransfer3(u32 *pMem, u32 size)
{
FUNCLOG
//GS_LOG("GSgifTransfer3 size = %lx (mode %d, gs.path3.tag.nloop = %d)\n", size, gs.path[2].mode, gs.path[2].tag.nloop);
nPath3Hack = 0;
_GSgifTransfer<2>(pMem, size);
}
#endif
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