Merge pull request #3 from saurabhb17/master

secondary files

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&param} (@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_ */