pcsx2/plugins/GSdx/GSTextureCache9.cpp

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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, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "StdAfx.h"
#include "GSTextureCache9.h"
// GSTextureCache9
GSTextureCache9::GSTextureCache9(GSRenderer* r)
: GSTextureCache(r)
{
}
// Source9
// Target9
void GSTextureCache9::Target9::Read(const GSVector4i& r)
{
if(m_type != RenderTarget)
{
// TODO
return;
}
if(m_TEX0.PSM != PSM_PSMCT32
&& m_TEX0.PSM != PSM_PSMCT24
&& m_TEX0.PSM != PSM_PSMCT16
&& m_TEX0.PSM != PSM_PSMCT16S)
{
//ASSERT(0);
return;
}
if(!m_dirty.empty())
{
return;
}
// printf("GSRenderTarget::Read %d,%d - %d,%d (%08x)\n", r.left, r.top, r.right, r.bottom, m_TEX0.TBP0);
// m_renderer->m_perfmon.Put(GSPerfMon::ReadRT, 1);
int w = r.width();
int h = r.height();
GSVector4 src = GSVector4(r) * GSVector4(m_texture->m_scale).xyxy() / GSVector4(m_texture->GetSize()).xyxy();
if(GSTexture* offscreen = m_renderer->m_dev->CopyOffscreen(m_texture, src, w, h))
{
GSTexture::GSMap m;
if(offscreen->Map(m))
{
// TODO: block level write
GSLocalMemory::PixelOffset* po = m_renderer->m_mem.GetPixelOffset(m_TEX0.TBP0, m_TEX0.TBW, m_TEX0.PSM);
switch(m_TEX0.PSM)
{
case PSM_PSMCT32:
m_renderer->m_mem.WritePixel32(m.bits, m.pitch, po, r);
break;
case PSM_PSMCT24:
m_renderer->m_mem.WritePixel24(m.bits, m.pitch, po, r);
break;
case PSM_PSMCT16:
case PSM_PSMCT16S:
m_renderer->m_mem.WriteFrame16(m.bits, m.pitch, po, r);
break;
default:
ASSERT(0);
}
offscreen->Unmap();
}
m_renderer->m_dev->Recycle(offscreen);
}
}