pcsx2/plugins/GSdx/GPUDrawScanline.cpp

83 lines
2.0 KiB
C++

/*
* 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, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "GPUDrawScanline.h"
GPUDrawScanline::GPUDrawScanline()
: m_sp_map("GPUSetupPrim", &m_local)
, m_ds_map("GPUDrawScanline", &m_local)
{
memset(&m_local, 0, sizeof(m_local));
m_local.gd = &m_global;
}
GPUDrawScanline::~GPUDrawScanline()
{
}
void GPUDrawScanline::BeginDraw(const void* param)
{
memcpy(&m_global, param, sizeof(m_global));
if(m_global.sel.tme && m_global.sel.twin)
{
uint32 u, v;
u = ~(m_global.twin.x << 3) & 0xff; // TWW
v = ~(m_global.twin.y << 3) & 0xff; // TWH
m_local.twin[0].u = GSVector4i((u << 16) | u);
m_local.twin[0].v = GSVector4i((v << 16) | v);
u = m_global.twin.z << 3; // TWX
v = m_global.twin.w << 3; // TWY
m_local.twin[1].u = GSVector4i((u << 16) | u) & ~m_local.twin[0].u;
m_local.twin[1].v = GSVector4i((v << 16) | v) & ~m_local.twin[0].v;
}
m_ds = m_ds_map[m_global.sel];
m_de = NULL;
m_dr = NULL; // TODO
// doesn't need all bits => less functions generated
GPUScanlineSelector sel;
sel.key = 0;
sel.iip = m_global.sel.iip;
sel.tfx = m_global.sel.tfx;
sel.twin = m_global.sel.twin;
sel.sprite = m_global.sel.sprite;
m_sp = m_sp_map[sel];
}
void GPUDrawScanline::EndDraw(const GSRasterizerStats& stats, uint64 frame)
{
m_ds_map.UpdateStats(stats, frame);
}