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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
*
*/
#pragma once
#include "GPU.h"
__aligned(class, 32) GPUDrawingEnvironment
{
public:
GPURegSTATUS STATUS;
GPURegPRIM PRIM;
GPURegDAREA DAREA;
GPURegDHRANGE DHRANGE;
GPURegDVRANGE DVRANGE;
GPURegDRAREA DRAREATL;
GPURegDRAREA DRAREABR;
GPURegDROFF DROFF;
GPURegTWIN TWIN;
GPURegCLUT CLUT;
GPUDrawingEnvironment()
{
Reset();
}
void Reset()
{
memset(this, 0, sizeof(*this));
STATUS.IDLE = 1;
STATUS.COM = 1;
STATUS.WIDTH0 = 1;
DVRANGE.Y1 = 16;
DVRANGE.Y2 = 256;
}
GSVector4i GetDisplayRect()
{
static int s_width[] = {256, 320, 512, 640, 368, 384, 512, 640};
static int s_height[] = {240, 480};
GSVector4i r;
r.left = DAREA.X & ~7; // FIXME
r.top = DAREA.Y;
r.right = r.left + s_width[(STATUS.WIDTH1 << 2) | STATUS.WIDTH0];
r.bottom = r.top + (DVRANGE.Y2 - DVRANGE.Y1) * s_height[STATUS.HEIGHT] / 240;
return r.rintersect(GSVector4i(0, 0, 1024, 512));
}
float GetFPS()
{
return STATUS.ISPAL ? 50.0f : 59.94f;
}
};
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