2011-02-20 22:33:22 +00:00
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/*
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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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2012-09-09 18:16:11 +00:00
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
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2011-02-20 22:33:22 +00:00
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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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GSTextureSW::GSTextureSW(int type, int width, int height)
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: m_mapped(0)
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{
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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(!_interlockedbittestandset(&m_mapped, 0))
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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 = 0;
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}
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#ifndef _WINDOWS
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#pragma pack(push, 1)
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struct BITMAPFILEHEADER
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{
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uint16 bfType;
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uint32 bfSize;
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uint16 bfReserved1;
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uint16 bfReserved2;
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uint32 bfOffBits;
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};
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struct BITMAPINFOHEADER
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{
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uint32 biSize;
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int32 biWidth;
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int32 biHeight;
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uint16 biPlanes;
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uint16 biBitCount;
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uint32 biCompression;
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uint32 biSizeImage;
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int32 biXPelsPerMeter;
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int32 biYPelsPerMeter;
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uint32 biClrUsed;
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uint32 biClrImportant;
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};
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2011-02-20 19:21:18 +00:00
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#define BI_RGB 0
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2011-02-20 22:33:22 +00:00
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#pragma pack(pop)
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#endif
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bool GSTextureSW::Save(const string& fn, bool dds)
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{
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if(dds) return false; // not implemented
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if(FILE* fp = fopen(fn.c_str(), "wb"))
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{
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BITMAPINFOHEADER bih;
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memset(&bih, 0, sizeof(bih));
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bih.biSize = sizeof(bih);
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bih.biWidth = m_size.x;
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bih.biHeight = m_size.y;
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bih.biPlanes = 1;
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bih.biBitCount = 32;
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bih.biCompression = BI_RGB;
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bih.biSizeImage = m_size.x * m_size.y << 2;
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BITMAPFILEHEADER bfh;
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2011-02-20 19:21:18 +00:00
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memset(&bfh, 0, sizeof(bfh));
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2011-02-21 23:25:25 +00:00
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uint8* bfType = (uint8*)&bfh.bfType;
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2011-02-20 22:33:22 +00:00
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2011-02-20 19:21:18 +00:00
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// bfh.bfType = 'MB';
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2011-02-20 22:33:22 +00:00
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bfType[0] = 0x42;
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bfType[1] = 0x4d;
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bfh.bfOffBits = sizeof(bfh) + sizeof(bih);
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bfh.bfSize = bfh.bfOffBits + bih.biSizeImage;
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bfh.bfReserved1 = bfh.bfReserved2 = 0;
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fwrite(&bfh, 1, sizeof(bfh), fp);
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fwrite(&bih, 1, sizeof(bih), fp);
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uint8* data = (uint8*)m_data + (m_size.y - 1) * m_pitch;
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for(int h = m_size.y; h > 0; h--, data -= m_pitch)
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{
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2011-12-03 21:04:46 +00:00
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for(int i = 0; i < m_size.x; i++)
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{
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uint32 c = ((uint32*)data)[i];
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c = (c & 0xff00ff00) | ((c & 0x00ff0000) >> 16) | ((c & 0x000000ff) << 16);
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fwrite(&c, 1, sizeof(c), fp);
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}
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// fwrite(data, 1, m_size.x << 2, fp); // TODO: swap red-blue?
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2011-02-20 22:33:22 +00:00
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}
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fclose(fp);
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return true;
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}
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return false;
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}
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