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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 "GSDump.h"
GSDump::GSDump()
: m_gs(NULL)
, m_frames(0)
, m_extra_frames(0)
{
}
GSDump::~GSDump()
{
Close();
}
void GSDump::Open(const string& fn, uint32 crc, const GSFreezeData& fd, const GSPrivRegSet* regs)
{
m_gs = fopen((fn + ".gs").c_str(), "wb");
m_frames = 0;
m_extra_frames = 2;
if(m_gs)
{
fwrite(&crc, 4, 1, m_gs);
fwrite(&fd.size, 4, 1, m_gs);
fwrite(fd.data, fd.size, 1, m_gs);
fwrite(regs, sizeof(*regs), 1, m_gs);
}
}
void GSDump::Close()
{
if(m_gs) {fclose(m_gs); m_gs = NULL;}
}
void GSDump::Transfer(int index, const uint8* mem, size_t size)
{
if(m_gs && size > 0)
{
fputc(0, m_gs);
fputc(index, m_gs);
fwrite(&size, 4, 1, m_gs);
fwrite(mem, size, 1, m_gs);
}
}
void GSDump::ReadFIFO(uint32 size)
{
if(m_gs && size > 0)
{
fputc(2, m_gs);
fwrite(&size, 4, 1, m_gs);
}
}
void GSDump::VSync(int field, bool last, const GSPrivRegSet* regs)
{
if(m_gs)
{
fputc(3, m_gs);
fwrite(regs, sizeof(*regs), 1, m_gs);
fputc(1, m_gs);
fputc(field, m_gs);
if((++m_frames & 1) == 0 && last && (m_extra_frames <= 0))
{
Close();
} else if (last) {
m_extra_frames--;
}
}
}
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