mirror of
https://gitlab.com/kicad/code/kicad.git
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88 lines
2.9 KiB
C++
88 lines
2.9 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_common.h
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* @brief Common defines and consts used in vertex related classes.
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*/
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#ifndef VERTEX_COMMON_H_
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#define VERTEX_COMMON_H_
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#include <gal/opengl/kiglew.h> // Must be included first
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#include <math/vector2d.h>
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#include <cstddef>
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namespace KIGFX
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{
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///< Possible types of shaders (keep consistent with the actual shader source in
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///< kicad_vert.glsl and kicad_frag.glsl).
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enum SHADER_MODE
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{
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SHADER_NONE = 0,
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SHADER_FILLED_CIRCLE = 2,
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SHADER_STROKED_CIRCLE = 3,
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SHADER_FONT = 4,
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SHADER_LINE_A = 5,
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SHADER_LINE_B = 6,
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SHADER_LINE_C = 7,
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SHADER_LINE_D = 8,
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SHADER_LINE_E = 9,
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SHADER_LINE_F = 10
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};
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///< Data structure for vertices {X,Y,Z,R,G,B,A,shader¶m}
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struct VERTEX
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{
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GLfloat x, y, z; // Coordinates
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GLubyte r, g, b, a; // Color
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GLfloat shader[4]; // Shader type & params
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};
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static constexpr size_t VERTEX_SIZE = sizeof(VERTEX);
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static constexpr size_t VERTEX_STRIDE = VERTEX_SIZE / sizeof(GLfloat);
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static constexpr size_t COORD_OFFSET = offsetof(VERTEX, x);
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static constexpr size_t COORD_SIZE = sizeof(VERTEX::x) + sizeof(VERTEX::y) + sizeof(VERTEX::z);
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static constexpr size_t COORD_STRIDE = COORD_SIZE / sizeof(GLfloat);
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static constexpr size_t COLOR_OFFSET = offsetof(VERTEX, r);
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static constexpr size_t COLOR_SIZE = sizeof(VERTEX::r) + sizeof(VERTEX::g) + sizeof(VERTEX::b) + sizeof(VERTEX::a);
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static constexpr size_t COLOR_STRIDE = COLOR_SIZE / sizeof(GLubyte);
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// Shader attributes
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static constexpr size_t SHADER_OFFSET = offsetof(VERTEX, shader);
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static constexpr size_t SHADER_SIZE = sizeof(VERTEX::shader);
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static constexpr size_t SHADER_STRIDE = SHADER_SIZE / sizeof(GLfloat);
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static constexpr size_t INDEX_SIZE = sizeof(GLuint);
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} // namespace KIGFX
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#endif /* VERTEX_COMMON_H_ */
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