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Initial megacommit.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4 8ced0084-cf51-0410-be5f-012b33b47a6e
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hrydgard
2008-07-12 17:40:22 +00:00
parent a3be5d89ae
commit 775dc8a9c0
1920 changed files with 734652 additions and 0 deletions
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61
Source/Plugins/Plugin_VideoOGL/Src/XFB.cpp Normal file
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// Copyright (C) 2003-2008 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "Globals.h"
// __________________________________________________________________________________________________
// Video_UpdateXFB
//
// TODO(ector): Write protect XFB. As soon as something pokes there,
// switch to a mode where we actually display the XFB on top of the 3D.
// If no writes have happened within 5 frames, revert to normal mode.
// Also, write a crazy SSE2 optimized version of this :P
int bound(int i)
{
return (i>255)?255:((i<0)?0:i);
}
void yuv2rgb(int y, int u, int v, int &r, int &g, int &b)
{
b = bound((76283*(y - 16) + 132252*(u - 128))>>16);
g = bound((76283*(y - 16) - 53281 *(v - 128) - 25624*(u - 128))>>16); //last one u?
r = bound((76283*(y - 16) + 104595*(v - 128))>>16);
}
void ConvertXFB(int *dst, const u8* _pXFB, int width, int height)
{
const unsigned char *src = _pXFB;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int Y1 = *src++;
int U = *src++;
int Y2 = *src++;
int V = *src++;
int r,g,b;
yuv2rgb(Y1, U, V, r, g, b);
*dst++ = 0xFF000000 | (r<<16) | (g<<8) | (b);
yuv2rgb(Y2, U, V, r, g, b);
*dst++ = 0xFF000000 | (r<<16) | (g<<8) | (b);
}
}
}