78 lines
2.6 KiB
C++
78 lines
2.6 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) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
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* Copyright (C) 1992-2024 KiCad Developers, see AUTHORS.txt for contributors.
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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 ogl_attr_list.cpp
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* @brief Implements a attribute list support for openGL
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*/
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#include "ogl_attr_list.h"
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#include <wx/glcanvas.h>
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#include <wx/debug.h>
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#include <core/arraydim.h>
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const wxGLAttributes OGL_ATT_LIST::GetAttributesList( ANTIALIASING_MODE aAntiAliasingMode,
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bool aAlpha )
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{
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wxASSERT( aAntiAliasingMode <= ANTIALIASING_MODE::AA_8X );
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auto makeAttribs = [aAlpha]( int aSamplers )
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{
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wxGLAttributes dispAttrs;
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dispAttrs.RGBA()
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.DoubleBuffer()
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.Depth( 16 )
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.Stencil( 8 )
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.Samplers( aSamplers )
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.SampleBuffers( aSamplers >= 0 ? 1 : -1 )
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.MinRGBA( 8, 8, 8, aAlpha ? 8 : -1 )
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.EndList();
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return dispAttrs;
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};
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int maxSamples = -1;
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if( aAntiAliasingMode > ANTIALIASING_MODE::AA_NONE )
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{
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// Check if the canvas supports multisampling.
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if( wxGLCanvas::IsDisplaySupported( makeAttribs( 0 ) ) )
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{
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static const int aaSamples[4] = { 0, 2, 4, 8 };
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// Check for possible sample sizes, start form the requested.
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maxSamples = aaSamples[static_cast<int>( aAntiAliasingMode )];
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while( maxSamples > 0 && !wxGLCanvas::IsDisplaySupported( makeAttribs( maxSamples ) ) )
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{
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maxSamples = maxSamples >> 1;
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}
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}
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}
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return makeAttribs( maxSamples );
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}
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