mirror of https://github.com/PCSX2/pcsx2.git
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include "GSTextureSW.h"
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#include "GSPng.h"
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GSTextureSW::GSTextureSW(int type, int width, int height)
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{
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m_mapped.clear();
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m_size = GSVector2i(width, height);
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m_type = type;
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m_format = 0;
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m_pitch = ((width << 2) + 31) & ~31;
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m_data = _aligned_malloc(m_pitch * height, 32);
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}
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GSTextureSW::~GSTextureSW()
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{
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_aligned_free(m_data);
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}
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bool GSTextureSW::Update(const GSVector4i& r, const void* data, int pitch)
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{
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GSMap m;
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if(m_data != NULL && Map(m, &r))
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{
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uint8* RESTRICT src = (uint8*)data;
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uint8* RESTRICT dst = m.bits;
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int rowbytes = r.width() << 2;
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for(int h = r.height(); h > 0; h--, src += pitch, dst += m.pitch)
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{
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memcpy(dst, src, rowbytes);
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}
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Unmap();
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return true;
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}
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return false;
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}
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bool GSTextureSW::Map(GSMap& m, const GSVector4i* r)
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{
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GSVector4i r2 = r != NULL ? *r : GSVector4i(0, 0, m_size.x, m_size.y);
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if(m_data != NULL && r2.left >= 0 && r2.right <= m_size.x && r2.top >= 0 && r2.bottom <= m_size.y)
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{
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if (!m_mapped.test_and_set())
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{
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m.bits = (uint8*)m_data + ((m_pitch * r2.top + r2.left) << 2);
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m.pitch = m_pitch;
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return true;
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}
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}
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return false;
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}
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void GSTextureSW::Unmap()
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{
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m_mapped.clear();
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}
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bool GSTextureSW::Save(const string& fn, bool user_image, bool dds)
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{
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if(dds) return false; // not implemented
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#ifdef ENABLE_OGL_DEBUG
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GSPng::Format fmt = GSPng::RGB_A_PNG;
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#else
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GSPng::Format fmt = GSPng::RGB_PNG;
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#endif
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int compression = user_image ? Z_BEST_COMPRESSION : theApp.GetConfig("png_compression_level", Z_BEST_SPEED);
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return GSPng::Save(fmt, fn, static_cast<uint8*>(m_data), m_size.x, m_size.y, m_pitch, compression);
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}
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