mirror of https://github.com/PCSX2/pcsx2.git
101 lines
2.2 KiB
C++
101 lines
2.2 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, 675 Mass Ave, Cambridge, MA 02139, 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 "GSVector.h"
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const GSVector4 GSVector4::m_ps0123(0.0f, 1.0f, 2.0f, 3.0f);
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const GSVector4 GSVector4::m_ps4567(4.0f, 5.0f, 6.0f, 7.0f);
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const GSVector4 GSVector4::m_x3f800000(_mm_castsi128_ps(_mm_set1_epi32(0x3f800000)));
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const GSVector4 GSVector4::m_x4b000000(_mm_castsi128_ps(_mm_set1_epi32(0x4b000000)));
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void GSVector4::operator = (const GSVector4i& v)
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{
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m = _mm_cvtepi32_ps(v);
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}
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void GSVector4i::operator = (const GSVector4& v)
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{
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m = _mm_cvttps_epi32(v);
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}
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GSVector4i GSVector4i::cast(const GSVector4& v)
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{
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return GSVector4i(_mm_castps_si128(v.m));
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}
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GSVector4 GSVector4::cast(const GSVector4i& v)
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{
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return GSVector4(_mm_castsi128_ps(v.m));
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}
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GSVector4i GSVector4i::fit(int arx, int ary) const
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{
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GSVector4i r = *this;
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if(arx > 0 && ary > 0)
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{
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int w = width();
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int h = height();
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if(w * ary > h * arx)
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{
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w = h * arx / ary;
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r.left = (r.left + r.right - w) >> 1;
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if(r.left & 1) r.left++;
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r.right = r.left + w;
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}
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else
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{
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h = w * ary / arx;
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r.top = (r.top + r.bottom - h) >> 1;
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if(r.top & 1) r.top++;
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r.bottom = r.top + h;
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}
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r = r.rintersect(*this);
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}
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else
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{
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r = *this;
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}
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return r;
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}
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GSVector4i GSVector4i::fit(int preset) const
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{
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GSVector4i r;
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static const int ar[][2] = {{0, 0}, {4, 3}, {16, 9}};
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if(preset > 0 && preset < countof(ar))
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{
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r = fit(ar[preset][0], ar[preset][1]);
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}
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else
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{
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r = *this;
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}
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return r;
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}
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