74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013 CERN
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* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) 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 this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file vertex_container.cpp
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* @brief Class to store vertices and handle transfers between system memory and GPU memory.
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*/
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#include <gal/opengl/vertex_container.h>
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#include <gal/opengl/cached_container_ram.h>
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#include <gal/opengl/cached_container_gpu.h>
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#include <gal/opengl/noncached_container.h>
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#include <gal/opengl/shader.h>
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#include <cstring>
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using namespace KIGFX;
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VERTEX_CONTAINER* VERTEX_CONTAINER::MakeContainer( bool aCached )
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{
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if( aCached )
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{
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const char* vendor = (const char*) glGetString( GL_VENDOR );
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// Open source drivers do not cope well with GPU memory mapping,
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// so the vertex data has to be kept in RAM
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if( strstr( vendor, "X.Org" ) || strstr( vendor, "nouveau" ) )
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return new CACHED_CONTAINER_RAM;
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else
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return new CACHED_CONTAINER_GPU;
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}
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return new NONCACHED_CONTAINER;
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}
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VERTEX_CONTAINER::VERTEX_CONTAINER( unsigned int aSize ) :
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m_freeSpace( aSize ),
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m_currentSize( aSize ),
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m_initialSize( aSize ),
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m_vertices( nullptr ),
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m_failed( false ),
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m_dirty( true )
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{
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}
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VERTEX_CONTAINER::~VERTEX_CONTAINER()
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{
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}
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