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

175 lines
3.9 KiB
C++

/* ZZ Open GL graphics plugin
* Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com
* Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
// Save and Load.
//------------------ Includes
#include "targets.h"
extern void ZZGSStateReset();
//----------------------- 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(ZEROGS_DEVBUILD)
char *libraryNameX = "ZeroGS-Pg OpenGL (Dev) ";
#else
char *libraryNameX = "ZeroGS Playground OpenGL ";
#endif
//------------------ Code
extern char *libraryName;
extern u32 s_uTex1Data[2][2], s_uClampData[2];
void SetFogColor(u32 fog);
void SetFogColor(GIFRegFOGCOL* fog);
int ZZSave(s8* pbydata)
{
if (pbydata == NULL)
return 40 + MEMORY_END + 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, MEMORY_END);
pbydata += MEMORY_END;
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;
}
extern u32 s_uFramebuffer;
extern int g_nCurVBOIndex;
bool ZZLoad(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();
ZZGSStateReset();
pbydata += 32;
//int context = *(int*)pbydata;
pbydata += 4;
u32 savelimit = VBSAVELIMIT;
savelimit = *(u32*)pbydata;
pbydata += 4;
memcpy(g_pbyGSMemory, pbydata, MEMORY_END);
pbydata += MEMORY_END;
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;
}