pcsx2/plugins/GSdx/Renderers/SW/GSTextureSW.cpp

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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 "GSTextureSW.h"
#include "GSPng.h"
GSTextureSW::GSTextureSW(int type, int width, int height)
{
m_mapped.clear(std::memory_order_release);
m_size = GSVector2i(width, height);
m_type = type;
m_format = 0;
m_pitch = ((width << 2) + 31) & ~31;
m_data = _aligned_malloc(m_pitch * height, 32);
}
GSTextureSW::~GSTextureSW()
{
_aligned_free(m_data);
}
bool GSTextureSW::Update(const GSVector4i& r, const void* data, int pitch, int layer)
{
GSMap m;
if(m_data != NULL && Map(m, &r))
{
uint8* RESTRICT src = (uint8*)data;
uint8* RESTRICT dst = m.bits;
int rowbytes = r.width() << 2;
for(int h = r.height(); h > 0; h--, src += pitch, dst += m.pitch)
{
memcpy(dst, src, rowbytes);
}
Unmap();
return true;
}
return false;
}
bool GSTextureSW::Map(GSMap& m, const GSVector4i* r, int layer)
{
GSVector4i r2 = r != NULL ? *r : GSVector4i(0, 0, m_size.x, m_size.y);
if(m_data != NULL && r2.left >= 0 && r2.right <= m_size.x && r2.top >= 0 && r2.bottom <= m_size.y)
{
if (!m_mapped.test_and_set(std::memory_order_acquire))
{
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m.bits = (uint8*)m_data + m_pitch * r2.top + (r2.left << 2);
m.pitch = m_pitch;
return true;
}
}
return false;
}
void GSTextureSW::Unmap()
{
m_mapped.clear(std::memory_order_release);
}
bool GSTextureSW::Save(const std::string& fn, bool dds)
{
if(dds) return false; // not implemented
#ifdef ENABLE_OGL_DEBUG
GSPng::Format fmt = GSPng::RGB_A_PNG;
#else
GSPng::Format fmt = GSPng::RGB_PNG;
#endif
int compression = theApp.GetConfigI("png_compression_level");
return GSPng::Save(fmt, fn, static_cast<uint8*>(m_data), m_size.x, m_size.y, m_pitch, compression);
}