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Diffstat (limited to 'include/gal/opengl/vertex_common.h')
-rw-r--r-- | include/gal/opengl/vertex_common.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/include/gal/opengl/vertex_common.h b/include/gal/opengl/vertex_common.h new file mode 100644 index 0000000..0d8eb9d --- /dev/null +++ b/include/gal/opengl/vertex_common.h @@ -0,0 +1,76 @@ +/* + * 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_common.h + * @brief Common defines and consts used in vertex related classes. + */ + +#ifndef VERTEX_COMMON_H_ +#define VERTEX_COMMON_H_ + +#include <GL/glew.h> + +#include <cstddef> + +namespace KIGFX +{ +// Possible types of shaders +enum SHADER_MODE +{ + SHADER_NONE = 0, + SHADER_LINE, + SHADER_FILLED_CIRCLE, + SHADER_STROKED_CIRCLE, +}; + +typedef struct +{ + GLfloat x, y, z; // Coordinates + GLubyte r, g, b, a; // Color + GLfloat shader[4]; // Shader type & params +} VERTEX; + +///< Data structure for vertices {X,Y,Z,R,G,B,A,shader¶m} (@see VERTEX). +const unsigned int VertexSize = sizeof(VERTEX); +const unsigned int VertexStride = VertexSize / sizeof(GLfloat); + +const unsigned int CoordSize = sizeof(VERTEX().x) + sizeof(VERTEX().y) + sizeof(VERTEX().z); +const unsigned int CoordStride = CoordSize / sizeof(GLfloat); + +// Offset of color data from the beginning of each vertex data +const unsigned int ColorOffset = offsetof(VERTEX, r); +const unsigned int ColorSize = sizeof(VERTEX().r) + sizeof(VERTEX().g) + + sizeof(VERTEX().b) + sizeof(VERTEX().a); +const unsigned int ColorStride = ColorSize / sizeof(GLubyte); + +// Shader attributes +const unsigned int ShaderOffset = offsetof(VERTEX, shader); +const unsigned int ShaderSize = sizeof(VERTEX().shader); +const unsigned int ShaderStride = ShaderSize / sizeof(GLfloat); + +const unsigned int IndexSize = sizeof(GLuint); +} // namespace KIGFX + +#endif /* VERTEX_COMMON_H_ */ |