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