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0b2d4d4879
Recommendation is to avoid using the year nomenclature as this information is already encoded in the git repo. Avoids needing to repeatly update. Also updates AUTHORS.txt from current repo with contributor names
770 lines
23 KiB
C++
770 lines
23 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 The 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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#include "layer_triangles.h"
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#include "../raytracing/ray.h"
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#include <wx/debug.h> // For the wxASSERT
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#include <mutex>
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TRIANGLE_LIST::TRIANGLE_LIST( unsigned int aNrReservedTriangles, bool aReserveNormals )
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{
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wxASSERT( aNrReservedTriangles > 0 );
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m_vertexs.clear();
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m_normals.clear();
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m_vertexs.reserve( aNrReservedTriangles * 3 );
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if( aReserveNormals )
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m_normals.reserve( aNrReservedTriangles * 3 );
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}
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void TRIANGLE_LIST::Reserve_More( unsigned int aNrReservedTriangles, bool aReserveNormals )
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{
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m_vertexs.reserve( m_vertexs.size() + aNrReservedTriangles * 3 );
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if( aReserveNormals )
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m_normals.reserve( m_normals.size() + aNrReservedTriangles * 3 );
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}
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void TRIANGLE_LIST::AddQuad( const SFVEC3F& aV1, const SFVEC3F& aV2, const SFVEC3F& aV3,
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const SFVEC3F& aV4 )
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{
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m_vertexs.push_back( aV1 );
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m_vertexs.push_back( aV2 );
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m_vertexs.push_back( aV3 );
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m_vertexs.push_back( aV3 );
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m_vertexs.push_back( aV4 );
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m_vertexs.push_back( aV1 );
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}
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void TRIANGLE_LIST::AddTriangle( const SFVEC3F& aV1, const SFVEC3F& aV2, const SFVEC3F& aV3 )
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{
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m_vertexs.push_back( aV1 );
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m_vertexs.push_back( aV2 );
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m_vertexs.push_back( aV3 );
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}
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void TRIANGLE_LIST::AddNormal( const SFVEC3F& aN1, const SFVEC3F& aN2, const SFVEC3F& aN3 )
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{
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m_normals.push_back( aN1 );
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m_normals.push_back( aN2 );
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m_normals.push_back( aN3 );
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}
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void TRIANGLE_LIST::AddNormal( const SFVEC3F& aN1, const SFVEC3F& aN2, const SFVEC3F& aN3,
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const SFVEC3F& aN4 )
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{
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m_normals.push_back( aN1 );
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m_normals.push_back( aN2 );
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m_normals.push_back( aN3 );
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m_normals.push_back( aN3 );
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m_normals.push_back( aN4 );
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m_normals.push_back( aN1 );
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}
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TRIANGLE_DISPLAY_LIST::TRIANGLE_DISPLAY_LIST( unsigned int aNrReservedTriangles )
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{
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wxASSERT( aNrReservedTriangles > 0 );
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m_layer_top_segment_ends = new TRIANGLE_LIST( aNrReservedTriangles, false );
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m_layer_top_triangles = new TRIANGLE_LIST( aNrReservedTriangles, false );
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m_layer_middle_contourns_quads = new TRIANGLE_LIST( aNrReservedTriangles, true );
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m_layer_bot_triangles = new TRIANGLE_LIST( aNrReservedTriangles, false );
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m_layer_bot_segment_ends = new TRIANGLE_LIST( aNrReservedTriangles, false );
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}
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TRIANGLE_DISPLAY_LIST::~TRIANGLE_DISPLAY_LIST()
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{
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delete m_layer_top_segment_ends;
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m_layer_top_segment_ends = nullptr;
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delete m_layer_top_triangles;
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m_layer_top_triangles = nullptr;
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delete m_layer_middle_contourns_quads;
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m_layer_middle_contourns_quads = nullptr;
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delete m_layer_bot_triangles;
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m_layer_bot_triangles = nullptr;
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delete m_layer_bot_segment_ends;
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m_layer_bot_segment_ends = nullptr;
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}
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void TRIANGLE_DISPLAY_LIST::AddToMiddleContourns( const std::vector< SFVEC2F >& aContournPoints,
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float zBot, float zTop, bool aInvertFaceDirection,
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const BVH_CONTAINER_2D* aThroughHoles )
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{
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if( aContournPoints.size() >= 4 )
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{
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// Calculate normals of each segment of the contourn
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std::vector< SFVEC2F > contournNormals;
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contournNormals.clear();
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contournNormals.resize( aContournPoints.size() - 1 );
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if( aInvertFaceDirection )
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{
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for( unsigned int i = 0; i < ( aContournPoints.size() - 1 ); ++i )
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{
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const SFVEC2F& v0 = aContournPoints[i + 0];
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const SFVEC2F& v1 = aContournPoints[i + 1];
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const SFVEC2F n = glm::normalize( v1 - v0 );
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contournNormals[i] = SFVEC2F( n.y,-n.x );
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}
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}
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else
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{
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for( unsigned int i = 0; i < ( aContournPoints.size() - 1 ); ++i )
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{
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const SFVEC2F& v0 = aContournPoints[i + 0];
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const SFVEC2F& v1 = aContournPoints[i + 1];
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const SFVEC2F n = glm::normalize( v1 - v0 );
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contournNormals[i] = SFVEC2F( -n.y, n.x );
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}
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}
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if( aInvertFaceDirection )
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std::swap( zBot, zTop );
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const unsigned int nContournsToProcess = ( aContournPoints.size() - 1 );
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for( unsigned int i = 0; i < nContournsToProcess; ++i )
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{
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SFVEC2F lastNormal;
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if( i > 0 )
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lastNormal = contournNormals[i - 1];
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else
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lastNormal = contournNormals[nContournsToProcess - 1];
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SFVEC2F n0 = contournNormals[i];
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// Only interpolate the normal if the angle is closer
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if( glm::dot( n0, lastNormal ) > 0.5f )
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n0 = glm::normalize( n0 + lastNormal );
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SFVEC2F nextNormal;
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if( i < (nContournsToProcess - 1) )
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nextNormal = contournNormals[i + 1];
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else
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nextNormal = contournNormals[0];
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SFVEC2F n1 = contournNormals[i];
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if( glm::dot( n1, nextNormal ) > 0.5f )
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n1 = glm::normalize( n1 + nextNormal );
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const SFVEC3F n3d0 = SFVEC3F( n0.x, n0.y, 0.0f );
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const SFVEC3F n3d1 = SFVEC3F( n1.x, n1.y, 0.0f );
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const SFVEC2F& v0 = aContournPoints[i + 0];
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const SFVEC2F& v1 = aContournPoints[i + 1];
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if( aThroughHoles && aThroughHoles->IntersectAny( RAYSEG2D( v0, v1 ) ) )
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{
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continue;
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}
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else
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{
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std::lock_guard<std::mutex> lock( m_middle_layer_lock );
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m_layer_middle_contourns_quads->AddQuad( SFVEC3F( v0.x, v0.y, zTop ),
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SFVEC3F( v1.x, v1.y, zTop ),
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SFVEC3F( v1.x, v1.y, zBot ),
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SFVEC3F( v0.x, v0.y, zBot ) );
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m_layer_middle_contourns_quads->AddNormal( n3d0, n3d1, n3d1, n3d0 );
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}
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}
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}
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}
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void TRIANGLE_DISPLAY_LIST::AddToMiddleContourns( const SHAPE_LINE_CHAIN& outlinePath, float zBot,
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float zTop, double aBiuTo3Du,
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bool aInvertFaceDirection,
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const BVH_CONTAINER_2D* aThroughHoles )
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{
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std::vector< SFVEC2F >contournPoints;
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contournPoints.clear();
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contournPoints.reserve( outlinePath.PointCount() + 2 );
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const VECTOR2I& firstV = outlinePath.CPoint( 0 );
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SFVEC2F lastV = SFVEC2F( firstV.x * aBiuTo3Du, -firstV.y * aBiuTo3Du );
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contournPoints.push_back( lastV );
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for( unsigned int i = 1; i < (unsigned int)outlinePath.PointCount(); ++i )
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{
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const VECTOR2I& v = outlinePath.CPoint( i );
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const SFVEC2F vf = SFVEC2F( v.x * aBiuTo3Du, -v.y * aBiuTo3Du );
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if( vf != lastV ) // Do not add repeated points
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{
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lastV = vf;
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contournPoints.push_back( vf );
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}
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}
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// Add first position fo the list to close the path
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if( lastV != contournPoints[0] )
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contournPoints.push_back( contournPoints[0] );
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AddToMiddleContourns( contournPoints, zBot, zTop, aInvertFaceDirection, aThroughHoles );
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}
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void TRIANGLE_DISPLAY_LIST::AddToMiddleContourns( const SHAPE_POLY_SET& aPolySet, float zBot,
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float zTop, double aBiuTo3Du,
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bool aInvertFaceDirection,
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const BVH_CONTAINER_2D* aThroughHoles )
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{
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if( aPolySet.OutlineCount() == 0 )
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return;
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// Calculate an estimation of points to reserve
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unsigned int nrContournPointsToReserve = 0;
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for( int i = 0; i < aPolySet.OutlineCount(); ++i )
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{
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const SHAPE_LINE_CHAIN& pathOutline = aPolySet.COutline( i );
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nrContournPointsToReserve += pathOutline.PointCount();
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for( int h = 0; h < aPolySet.HoleCount( i ); ++h )
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{
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const SHAPE_LINE_CHAIN& hole = aPolySet.CHole( i, h );
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nrContournPointsToReserve += hole.PointCount();
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}
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}
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// Request to reserve more space
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m_layer_middle_contourns_quads->Reserve_More( nrContournPointsToReserve * 2, true );
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for( int i = 0; i < aPolySet.OutlineCount(); i++ )
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{
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// Add outline
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const SHAPE_LINE_CHAIN& pathOutline = aPolySet.COutline( i );
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AddToMiddleContourns( pathOutline, zBot, zTop, aBiuTo3Du, aInvertFaceDirection,
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aThroughHoles );
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// Add holes for this outline
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for( int h = 0; h < aPolySet.HoleCount( i ); ++h )
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{
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const SHAPE_LINE_CHAIN& hole = aPolySet.CHole( i, h );
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AddToMiddleContourns( hole, zBot, zTop, aBiuTo3Du, aInvertFaceDirection,
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aThroughHoles );
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}
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}
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}
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OPENGL_RENDER_LIST::OPENGL_RENDER_LIST( const TRIANGLE_DISPLAY_LIST& aLayerTriangles,
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GLuint aTextureIndexForSegEnds,
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float aZBot, float aZTop )
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{
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m_zBot = aZBot;
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m_zTop = aZTop;
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m_layer_top_segment_ends = 0;
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m_layer_top_triangles = 0;
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m_layer_middle_contourns_quads = 0;
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m_layer_bot_triangles = 0;
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m_layer_bot_segment_ends = 0;
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if( aTextureIndexForSegEnds )
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{
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wxASSERT( glIsTexture( aTextureIndexForSegEnds ) );
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if( glIsTexture( aTextureIndexForSegEnds ) )
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{
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m_layer_top_segment_ends =
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generate_top_or_bot_seg_ends( aLayerTriangles.m_layer_top_segment_ends,
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true, aTextureIndexForSegEnds );
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m_layer_bot_segment_ends =
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generate_top_or_bot_seg_ends( aLayerTriangles.m_layer_bot_segment_ends,
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false, aTextureIndexForSegEnds );
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}
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}
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m_layer_top_triangles = generate_top_or_bot_triangles( aLayerTriangles.m_layer_top_triangles,
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true );
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m_layer_bot_triangles = generate_top_or_bot_triangles( aLayerTriangles.m_layer_bot_triangles,
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false );
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if( aLayerTriangles.m_layer_middle_contourns_quads->GetVertexSize() > 0 )
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{
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m_layer_middle_contourns_quads =
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generate_middle_triangles( aLayerTriangles.m_layer_middle_contourns_quads );
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}
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m_draw_it_transparent = false;
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m_haveTransformation = false;
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m_zPositionTransformation = 0.0f;
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m_zScaleTransformation = 0.0f;
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}
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OPENGL_RENDER_LIST::~OPENGL_RENDER_LIST()
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{
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if( glIsList( m_layer_top_segment_ends ) )
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glDeleteLists( m_layer_top_segment_ends, 1 );
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if( glIsList( m_layer_top_triangles ) )
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glDeleteLists( m_layer_top_triangles, 1 );
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if( glIsList( m_layer_middle_contourns_quads ) )
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glDeleteLists( m_layer_middle_contourns_quads, 1 );
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if( glIsList( m_layer_bot_triangles ) )
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glDeleteLists( m_layer_bot_triangles, 1 );
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if( glIsList( m_layer_bot_segment_ends ) )
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glDeleteLists( m_layer_bot_segment_ends, 1 );
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m_layer_top_segment_ends = 0;
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m_layer_top_triangles = 0;
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m_layer_middle_contourns_quads = 0;
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m_layer_bot_triangles = 0;
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m_layer_bot_segment_ends = 0;
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}
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void OPENGL_RENDER_LIST::DrawTopAndMiddle() const
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{
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beginTransformation();
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if( glIsList( m_layer_middle_contourns_quads ) )
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glCallList( m_layer_middle_contourns_quads );
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if( glIsList( m_layer_top_triangles ) )
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glCallList( m_layer_top_triangles );
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if( glIsList( m_layer_top_segment_ends ) )
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glCallList( m_layer_top_segment_ends );
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endTransformation();
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}
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void OPENGL_RENDER_LIST::DrawBotAndMiddle() const
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{
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beginTransformation();
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if( glIsList( m_layer_middle_contourns_quads ) )
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glCallList( m_layer_middle_contourns_quads );
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if( glIsList( m_layer_bot_triangles ) )
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glCallList( m_layer_bot_triangles );
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if( glIsList( m_layer_bot_segment_ends ) )
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glCallList( m_layer_bot_segment_ends );
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endTransformation();
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}
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void OPENGL_RENDER_LIST::DrawTop() const
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{
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beginTransformation();
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if( glIsList( m_layer_top_triangles ) )
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glCallList( m_layer_top_triangles );
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if( glIsList( m_layer_top_segment_ends ) )
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glCallList( m_layer_top_segment_ends );
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endTransformation();
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}
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void OPENGL_RENDER_LIST::DrawBot() const
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{
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beginTransformation();
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if( glIsList( m_layer_bot_triangles ) )
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glCallList( m_layer_bot_triangles );
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if( glIsList( m_layer_bot_segment_ends ) )
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glCallList( m_layer_bot_segment_ends );
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endTransformation();
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}
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void OPENGL_RENDER_LIST::DrawMiddle() const
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{
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beginTransformation();
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if( glIsList( m_layer_middle_contourns_quads ) )
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glCallList( m_layer_middle_contourns_quads );
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endTransformation();
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}
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void OPENGL_RENDER_LIST::DrawAll( bool aDrawMiddle ) const
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{
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beginTransformation();
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if( aDrawMiddle )
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if( glIsList( m_layer_middle_contourns_quads ) )
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glCallList( m_layer_middle_contourns_quads );
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if( glIsList( m_layer_top_triangles ) )
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glCallList( m_layer_top_triangles );
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if( glIsList( m_layer_bot_triangles ) )
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glCallList( m_layer_bot_triangles );
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if( glIsList( m_layer_top_segment_ends ) )
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glCallList( m_layer_top_segment_ends );
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if( glIsList( m_layer_bot_segment_ends ) )
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glCallList( m_layer_bot_segment_ends );
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endTransformation();
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}
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void OPENGL_RENDER_LIST::DrawCulled( bool aDrawMiddle,
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const OPENGL_RENDER_LIST* aSubtractList,
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const OPENGL_RENDER_LIST* bSubtractList,
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const OPENGL_RENDER_LIST* cSubtractList,
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const OPENGL_RENDER_LIST* dSubtractList ) const
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{
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glClearStencil( 0x00 );
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glClear( GL_STENCIL_BUFFER_BIT );
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glEnable( GL_CULL_FACE );
|
|
glCullFace( GL_BACK );
|
|
|
|
glDisable( GL_DEPTH_TEST );
|
|
glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
|
|
glDepthMask( GL_FALSE );
|
|
glEnable( GL_STENCIL_TEST );
|
|
glStencilFunc( GL_ALWAYS, 1, 0 );
|
|
glStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
|
|
|
|
if( aSubtractList )
|
|
aSubtractList->DrawBot();
|
|
|
|
if( bSubtractList )
|
|
bSubtractList->DrawBot();
|
|
|
|
if( cSubtractList )
|
|
cSubtractList->DrawBot();
|
|
|
|
if( dSubtractList )
|
|
dSubtractList->DrawBot();
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthMask(GL_TRUE);
|
|
|
|
glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
|
|
glStencilFunc( GL_EQUAL, 0, 1 );
|
|
glStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
|
|
DrawBot();
|
|
|
|
glDisable( GL_DEPTH_TEST );
|
|
glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
|
|
glDepthMask( GL_FALSE );
|
|
glEnable( GL_STENCIL_TEST );
|
|
glStencilFunc( GL_ALWAYS, 2, 0 );
|
|
glStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
|
|
|
|
if( aSubtractList )
|
|
aSubtractList->DrawTop();
|
|
|
|
if( bSubtractList )
|
|
bSubtractList->DrawTop();
|
|
|
|
if( cSubtractList )
|
|
cSubtractList->DrawTop();
|
|
|
|
if( dSubtractList )
|
|
dSubtractList->DrawTop();
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
glDepthMask(GL_TRUE);
|
|
glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
|
|
glStencilFunc( GL_NOTEQUAL, 2, 0x03 );
|
|
glStencilOp( GL_KEEP, GL_KEEP, GL_INCR );
|
|
DrawTop();
|
|
|
|
if( aDrawMiddle )
|
|
DrawMiddle();
|
|
|
|
glLightModeli( GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE );
|
|
|
|
glCullFace( GL_FRONT );
|
|
glStencilFunc( GL_GEQUAL, 3, 0x03 );
|
|
glStencilOp( GL_KEEP, GL_KEEP, GL_KEEP );
|
|
glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
|
|
|
|
if( aDrawMiddle )
|
|
{
|
|
if( aSubtractList )
|
|
aSubtractList->DrawMiddle();
|
|
}
|
|
|
|
glLightModeli( GL_LIGHT_MODEL_TWO_SIDE, GL_FALSE );
|
|
|
|
glCullFace( GL_BACK );
|
|
glDisable( GL_STENCIL_TEST );
|
|
}
|
|
|
|
|
|
void OPENGL_RENDER_LIST::ApplyScalePosition( float aZposition, float aZscale )
|
|
{
|
|
wxCHECK2( aZscale > FLT_EPSILON, aZscale = FLT_EPSILON + 1 );
|
|
|
|
m_zPositionTransformation = aZposition;
|
|
m_zScaleTransformation = aZscale;
|
|
m_haveTransformation = true;
|
|
}
|
|
|
|
|
|
void OPENGL_RENDER_LIST::ApplyScalePosition( OPENGL_RENDER_LIST* aOtherList )
|
|
{
|
|
ApplyScalePosition( aOtherList->GetZBot(), aOtherList->GetZTop() - aOtherList->GetZBot() );
|
|
}
|
|
|
|
|
|
void OPENGL_RENDER_LIST::SetItIsTransparent( bool aSetTransparent )
|
|
{
|
|
m_draw_it_transparent = aSetTransparent;
|
|
}
|
|
|
|
|
|
GLuint OPENGL_RENDER_LIST::generate_top_or_bot_seg_ends(
|
|
const TRIANGLE_LIST* aTriangleContainer, bool aIsNormalUp, GLuint aTextureId ) const
|
|
{
|
|
wxASSERT( aTriangleContainer != nullptr );
|
|
|
|
wxASSERT( ( aTriangleContainer->GetVertexSize() % 3 ) == 0 );
|
|
|
|
// Top and Bot dont have normals array stored in container
|
|
wxASSERT( aTriangleContainer->GetNormalsSize() == 0 );
|
|
|
|
if( ( aTriangleContainer->GetVertexSize() > 0 )
|
|
&& ( ( aTriangleContainer->GetVertexSize() % 3 ) == 0 ) )
|
|
{
|
|
GLuint listIdx = glGenLists( 1 );
|
|
|
|
if( glIsList( listIdx ) )
|
|
{
|
|
// Prepare an array of UV text coordinates
|
|
SFVEC2F* uvArray = new SFVEC2F[aTriangleContainer->GetVertexSize()];
|
|
|
|
for( unsigned int i = 0; i < aTriangleContainer->GetVertexSize(); i += 3 )
|
|
{
|
|
uvArray[i + 0] = SFVEC2F( 1.0f, 0.0f );
|
|
uvArray[i + 1] = SFVEC2F( 0.0f, 1.0f );
|
|
uvArray[i + 2] = SFVEC2F( 0.0f, 0.0f );
|
|
}
|
|
|
|
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
|
glVertexPointer( 3, GL_FLOAT, 0, aTriangleContainer->GetVertexPointer() );
|
|
glTexCoordPointer( 2, GL_FLOAT, 0, uvArray );
|
|
|
|
glNewList( listIdx, GL_COMPILE );
|
|
|
|
glDisable( GL_COLOR_MATERIAL );
|
|
|
|
glEnable( GL_TEXTURE_2D );
|
|
glBindTexture( GL_TEXTURE_2D, aTextureId );
|
|
|
|
glAlphaFunc( GL_GREATER, 0.2f );
|
|
glEnable( GL_ALPHA_TEST );
|
|
|
|
glNormal3f( 0.0f, 0.0f, aIsNormalUp?1.0f:-1.0f );
|
|
|
|
glDrawArrays( GL_TRIANGLES, 0, aTriangleContainer->GetVertexSize() );
|
|
|
|
glBindTexture( GL_TEXTURE_2D, 0 );
|
|
glDisable( GL_TEXTURE_2D );
|
|
glDisable( GL_ALPHA_TEST );
|
|
glDisable( GL_BLEND );
|
|
|
|
glEndList();
|
|
|
|
glDisableClientState( GL_VERTEX_ARRAY );
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
|
|
delete [] uvArray;
|
|
return listIdx;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
GLuint OPENGL_RENDER_LIST::generate_top_or_bot_triangles( const TRIANGLE_LIST* aTriangleContainer,
|
|
bool aIsNormalUp ) const
|
|
{
|
|
wxASSERT( aTriangleContainer != nullptr );
|
|
|
|
wxASSERT( ( aTriangleContainer->GetVertexSize() % 3 ) == 0 );
|
|
|
|
// Top and Bot dont have normals array stored in container
|
|
wxASSERT( aTriangleContainer->GetNormalsSize() == 0 );
|
|
|
|
if( ( aTriangleContainer->GetVertexSize() > 0 )
|
|
&& ( ( aTriangleContainer->GetVertexSize() % 3 ) == 0 ) )
|
|
{
|
|
const GLuint listIdx = glGenLists( 1 );
|
|
|
|
if( glIsList( listIdx ) )
|
|
{
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
|
glVertexPointer( 3, GL_FLOAT, 0, aTriangleContainer->GetVertexPointer() );
|
|
|
|
glNewList( listIdx, GL_COMPILE );
|
|
|
|
setBlendfunction();
|
|
|
|
glNormal3f( 0.0f, 0.0f, aIsNormalUp?1.0f:-1.0f );
|
|
|
|
glDrawArrays( GL_TRIANGLES, 0, aTriangleContainer->GetVertexSize() );
|
|
|
|
glDisable( GL_BLEND );
|
|
glEndList();
|
|
|
|
glDisableClientState( GL_VERTEX_ARRAY );
|
|
|
|
return listIdx;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
GLuint OPENGL_RENDER_LIST::generate_middle_triangles(
|
|
const TRIANGLE_LIST* aTriangleContainer ) const
|
|
{
|
|
wxASSERT( aTriangleContainer != nullptr );
|
|
|
|
// We expect that it is a multiple of 3 vertex
|
|
wxASSERT( ( aTriangleContainer->GetVertexSize() % 3 ) == 0 );
|
|
|
|
// We expect that it is a multiple of 6 vertex (because we expect to add quads)
|
|
wxASSERT( (aTriangleContainer->GetVertexSize() % 6 ) == 0 );
|
|
|
|
// We expect that there are normals with same size as vertex
|
|
wxASSERT( aTriangleContainer->GetNormalsSize() == aTriangleContainer->GetVertexSize() );
|
|
|
|
if( ( aTriangleContainer->GetVertexSize() > 0 )
|
|
&& ( ( aTriangleContainer->GetVertexSize() % 3 ) == 0 )
|
|
&& ( ( aTriangleContainer->GetVertexSize() % 6 ) == 0 )
|
|
&& ( aTriangleContainer->GetNormalsSize() == aTriangleContainer->GetVertexSize() ) )
|
|
{
|
|
const GLuint listIdx = glGenLists( 1 );
|
|
|
|
if( glIsList( listIdx ) )
|
|
{
|
|
glDisableClientState( GL_TEXTURE_COORD_ARRAY );
|
|
glDisableClientState( GL_COLOR_ARRAY );
|
|
glEnableClientState( GL_NORMAL_ARRAY );
|
|
glEnableClientState( GL_VERTEX_ARRAY );
|
|
glVertexPointer( 3, GL_FLOAT, 0, aTriangleContainer->GetVertexPointer() );
|
|
glNormalPointer( GL_FLOAT, 0, aTriangleContainer->GetNormalsPointer() );
|
|
|
|
glNewList( listIdx, GL_COMPILE );
|
|
|
|
setBlendfunction();
|
|
|
|
glDrawArrays( GL_TRIANGLES, 0, aTriangleContainer->GetVertexSize() );
|
|
|
|
glDisable( GL_BLEND );
|
|
glEndList();
|
|
|
|
glDisableClientState( GL_VERTEX_ARRAY );
|
|
glDisableClientState( GL_NORMAL_ARRAY );
|
|
|
|
return listIdx;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void OPENGL_RENDER_LIST::endTransformation() const
|
|
{
|
|
if( m_haveTransformation )
|
|
{
|
|
glPopMatrix();
|
|
}
|
|
}
|
|
|
|
|
|
void OPENGL_RENDER_LIST::setBlendfunction() const
|
|
{
|
|
glEnable( GL_BLEND );
|
|
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
|
|
}
|
|
|
|
|
|
void OPENGL_RENDER_LIST::beginTransformation() const
|
|
{
|
|
if( m_haveTransformation )
|
|
{
|
|
glPushMatrix();
|
|
glTranslatef( 0.0f, 0.0f, m_zPositionTransformation );
|
|
glScalef( 1.0f, 1.0f, m_zScaleTransformation );
|
|
}
|
|
}
|