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

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/* ZZ Open GL graphics plugin
* Copyright (c)2009 zeydlitz@gmail.com
* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2006
*
* 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
*/
// Save and Load.
//------------------ Includes
#include "zerogs.h"
#include "targets.h"
//----------------------- Defines
#define VBSAVELIMIT ((u32)((u8*)&vb[0].nNextFrameHeight-(u8*)&vb[0]))
#define ZEROGS_SAVEVER 0xaa000005
//------------------ Variables
// Hack for save game compatible!
#ifdef _DEBUG
char *libraryNameX = "ZeroGS-Pg OpenGL (Debug) ";
#elif defined(RELEASE_TO_PUBLIC)
char *libraryNameX = "ZeroGS Playground OpenGL ";
#else
char *libraryNameX = "ZeroGS-Pg OpenGL (Dev) ";
#endif
//------------------ Code
extern char *libraryName;
extern u32 s_uTex1Data[2][2], s_uClampData[2];
int ZeroGS::Save(s8* pbydata)
{
if( pbydata == NULL )
return 40 + 0x00400000 + sizeof(gs) + 2*VBSAVELIMIT + 2*sizeof(frameInfo) + 4 + 256*4;
s_RTs.ResolveAll();
s_DepthRTs.ResolveAll();
strcpy((char*)pbydata, libraryNameX);
*(u32*)(pbydata+16) = ZEROGS_SAVEVER;
pbydata += 32;
*(int*)pbydata = icurctx; pbydata += 4;
*(int*)pbydata = VBSAVELIMIT; pbydata += 4;
memcpy(pbydata, g_pbyGSMemory, 0x00400000);
pbydata += 0x00400000;
memcpy(pbydata, g_pbyGSClut, 256*4);
pbydata += 256*4;
*(int*)pbydata = sizeof(gs);
pbydata += 4;
memcpy(pbydata, &gs, sizeof(gs));
pbydata += sizeof(gs);
for(int i = 0; i < 2; ++i) {
memcpy(pbydata, &vb[i], VBSAVELIMIT);
pbydata += VBSAVELIMIT;
}
return 0;
}
bool ZeroGS::Load(s8* pbydata)
{
memset(s_uTex1Data, 0, sizeof(s_uTex1Data));
memset(s_uClampData, 0, sizeof(s_uClampData));
g_nCurVBOIndex = 0;
// first 32 bytes are the id
u32 savever = *(u32*)(pbydata+16);
if( strncmp((char*)pbydata, libraryNameX, 6) == 0 && (savever == ZEROGS_SAVEVER || savever == 0xaa000004) ) {
g_MemTargs.Destroy();
GSStateReset();
pbydata += 32;
//int context = *(int*)pbydata;
pbydata += 4;
u32 savelimit = VBSAVELIMIT;
savelimit = *(u32*)pbydata; pbydata += 4;
memcpy(g_pbyGSMemory, pbydata, 0x00400000);
pbydata += 0x00400000;
memcpy(g_pbyGSClut, pbydata, 256*4);
pbydata += 256*4;
memset(&gs, 0, sizeof(gs));
int savedgssize;
if( savever == 0xaa000004 )
savedgssize = 0x1d0;
else {
savedgssize = *(int*)pbydata;
pbydata += 4;
}
memcpy(&gs, pbydata, savedgssize);
pbydata += savedgssize;
prim = &gs._prim[gs.prac];
vb[0].Destroy();
memcpy(&vb[0], pbydata, min(savelimit, VBSAVELIMIT));
pbydata += savelimit;
vb[0].pBufferData = NULL;
vb[1].Destroy();
memcpy(&vb[1], pbydata, min(savelimit, VBSAVELIMIT));
pbydata += savelimit;
vb[1].pBufferData = NULL;
for(int i = 0; i < 2; ++i) {
vb[i].Init(VB_BUFFERSIZE);
vb[i].bNeedZCheck = vb[i].bNeedFrameCheck = 1;
vb[i].bSyncVars = 0; vb[i].bNeedTexCheck = 1;
memset(vb[i].uCurTex0Data, 0, sizeof(vb[i].uCurTex0Data));
}
icurctx = -1;
glBindFramebufferEXT( GL_FRAMEBUFFER_EXT, s_uFramebuffer ); // switch to the backbuffer
SetFogColor(gs.fogcol);
GL_REPORT_ERRORD();
return true;
}
return false;
}