mirror of https://github.com/PCSX2/pcsx2.git
108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
/*
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* Copyright (C) 2011-2011 Gregory hainaut
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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 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 "GSTextureCacheOGL.h"
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GSTextureCacheOGL::GSTextureCacheOGL(GSRenderer* r)
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: GSTextureCache(r)
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{
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}
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void GSTextureCacheOGL::Read(Target* t, const GSVector4i& r)
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{
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if(t->m_type != RenderTarget)
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{
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ASSERT(0);
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return;
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}
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const GIFRegTEX0& TEX0 = t->m_TEX0;
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if(TEX0.PSM != PSM_PSMCT32
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&& TEX0.PSM != PSM_PSMCT24
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&& TEX0.PSM != PSM_PSMCT16
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&& TEX0.PSM != PSM_PSMCT16S)
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{
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//ASSERT(0);
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return;
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}
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if(!t->m_dirty.empty())
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{
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return;
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}
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GL_PUSH("Texture Cache Read");
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// printf("GSRenderTarget::Read %d,%d - %d,%d (%08x)\n", r.left, r.top, r.right, r.bottom, TEX0.TBP0);
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int w = r.width();
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int h = r.height();
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GSVector4 src = GSVector4(r) * GSVector4(t->m_texture->GetScale()).xyxy() / GSVector4(t->m_texture->GetSize()).xyxy();
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GLuint format = TEX0.PSM == PSM_PSMCT16 || TEX0.PSM == PSM_PSMCT16S ? GL_R16UI : GL_RGBA8;
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//if (format == GL_R16UI) fprintf(stderr, "Format 16 bits integer\n");
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#if 0
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DXGI_FORMAT format = TEX0.PSM == PSM_PSMCT16 || TEX0.PSM == PSM_PSMCT16S ? DXGI_FORMAT_R16_UINT : DXGI_FORMAT_R8G8B8A8_UNORM;
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#endif
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if(GSTexture* offscreen = m_renderer->m_dev->CopyOffscreen(t->m_texture, src, w, h, format))
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{
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GSTexture::GSMap m;
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if(offscreen->Map(m))
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{
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// TODO: block level write
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GSOffset* off = m_renderer->m_mem.GetOffset(TEX0.TBP0, TEX0.TBW, TEX0.PSM);
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switch(TEX0.PSM)
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{
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case PSM_PSMCT32:
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m_renderer->m_mem.WritePixel32(m.bits, m.pitch, off, r);
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break;
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case PSM_PSMCT24:
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m_renderer->m_mem.WritePixel24(m.bits, m.pitch, off, r);
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break;
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case PSM_PSMCT16:
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case PSM_PSMCT16S:
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m_renderer->m_mem.WritePixel16(m.bits, m.pitch, off, r);
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break;
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default:
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ASSERT(0);
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}
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offscreen->Unmap();
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}
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// FIXME invalidate data
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m_renderer->m_dev->Recycle(offscreen);
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}
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GL_POP();
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}
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