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@ -2,7 +2,7 @@ |
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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) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors. |
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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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@ -33,94 +33,45 @@ |
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#include <core/arraydim.h>
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const int OGL_ATT_LIST::m_openGL_attributes_list[] = { |
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// Boolean attributes (using itself at padding):
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// 0 1
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WX_GL_RGBA, WX_GL_RGBA, |
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// 2 3
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WX_GL_DOUBLEBUFFER, WX_GL_DOUBLEBUFFER, |
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// Normal attributes with values:
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// 4 5
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WX_GL_DEPTH_SIZE, 16, |
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// 6 7
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WX_GL_STENCIL_SIZE, 8, |
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// This ones need to be the last in the list (as the tags will set to 0 if AA fails)
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// 8 9
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WX_GL_SAMPLES, 0, // Disable AA for the start.
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//10 11
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WX_GL_SAMPLE_BUFFERS, 1, // Enable multisampling support (antialiasing).
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0, 0 // NULL termination
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}; |
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#define ATT_WX_GL_SAMPLES_OFFSET 8
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#define ATT_WX_GL_SAMPLES_OFFSET_DATA 9
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#define ATT_WX_GL_SAMPLE_BUFFERS_OFFSET 10
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#define ATT_WX_GL_SAMPLE_BUFFERS_DATA 11
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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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int OGL_ATT_LIST::m_openGL_attributes_list_to_use[ |
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arrayDim( OGL_ATT_LIST::m_openGL_attributes_list ) ] = { 0 }; |
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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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const int* OGL_ATT_LIST::GetAttributesList( ANTIALIASING_MODE aAntiAliasingMode ) |
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{ |
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wxASSERT( aAntiAliasingMode <= ANTIALIASING_MODE::AA_8X ); |
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return dispAttrs; |
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}; |
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memcpy( m_openGL_attributes_list_to_use, m_openGL_attributes_list, |
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sizeof( m_openGL_attributes_list_to_use ) ); |
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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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// There is a bug on wxGLCanvas that makes IsDisplaySupported fail
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// while testing for antialiasing.
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// http://trac.wxwidgets.org/ticket/16909
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// this next code will only work after this bug is fixed
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//
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// On my experience (Mario) it was only working on Linux but failing on
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// Windows, so there was no AA.
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// Check if the canvas supports multisampling.
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if( wxGLCanvas::IsDisplaySupported( m_openGL_attributes_list_to_use ) ) |
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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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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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int maxSamples = aaSamples[static_cast<int>( aAntiAliasingMode )]; |
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m_openGL_attributes_list_to_use[ATT_WX_GL_SAMPLES_OFFSET_DATA] = maxSamples; |
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maxSamples = aaSamples[static_cast<int>( aAntiAliasingMode )]; |
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for( ; (maxSamples > 0) && |
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( !wxGLCanvas::IsDisplaySupported( m_openGL_attributes_list_to_use ) ); |
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maxSamples = maxSamples >> 1 ) |
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while( maxSamples > 0 && !wxGLCanvas::IsDisplaySupported( makeAttribs( maxSamples ) ) ) |
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{ |
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m_openGL_attributes_list_to_use[ATT_WX_GL_SAMPLES_OFFSET_DATA] = maxSamples; |
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maxSamples = maxSamples >> 1; |
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} |
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} |
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else |
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{ |
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aAntiAliasingMode = ANTIALIASING_MODE::AA_NONE; |
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} |
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} |
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// Disable antialiasing if it failed or was not requested
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if( aAntiAliasingMode == ANTIALIASING_MODE::AA_NONE ) |
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{ |
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// Remove multisampling information
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// (hoping that the GPU driver will decide what is best)
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m_openGL_attributes_list_to_use[ATT_WX_GL_SAMPLES_OFFSET] = 0; |
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m_openGL_attributes_list_to_use[ATT_WX_GL_SAMPLES_OFFSET_DATA] = 0; |
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m_openGL_attributes_list_to_use[ATT_WX_GL_SAMPLE_BUFFERS_OFFSET] = 0; |
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m_openGL_attributes_list_to_use[ATT_WX_GL_SAMPLE_BUFFERS_DATA] = 0; |
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} |
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return m_openGL_attributes_list_to_use; |
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return makeAttribs( maxSamples ); |
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} |
Alex Shvartzkop
2 years ago