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git-svn-id: svn://db.shs.com.ru/libs@1 a8b55f48-bf90-11e4-a774-851b48703e85

qglview/glvbo.h

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+/*
+    QGLView
+    Copyright (C) 2012  Ivan Pelipenko peri4ko@gmail.com
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef GLVBO_H
+#define GLVBO_H
+
+#include "gltypes.h"
+
+class GLVBO
+{
+	friend class GLObjectBase;
+public:
+	GLVBO(GLenum usage = GL_DYNAMIC_DRAW);
+	~GLVBO();
+
+	//GLVBO & operator =(const GLVBO & o) {return *this;}
+
+	void init();
+	void destroy() {deleteGLBuffer(buffer_);}
+	bool rebuffer(bool clear_ = false);
+	void draw(GLenum type, bool simplest = false);
+	void clear();
+
+	GLuint buffer() const {return buffer_;}
+	int verticesCount() const {return vert_count;}
+	bool isIinit() const {return buffer_ != 0;}
+	bool isEmpty() const {return vert_count == 0;}
+
+	QVector<GLfloat> & vertices() {changed = true; return vertices_;}
+	QVector<GLfloat> & normals() {changed = true; return normals_;}
+	QVector<GLfloat> & texcoords() {changed = true; return texcoords_;}
+	QVector<GLfloat> & colors() {changed = true; return colors_;}
+
+	bool saveToFile(const QString & filename);
+	bool loadFromFile(const QString & filename);
+
+private:
+	QVector<GLfloat> vertices_, normals_, texcoords_, colors_;
+	GLenum usage;
+	GLuint buffer_;
+	int vert_count;
+	bool changed, has_normals, has_texcoords, has_colors;
+
+};
+
+#endif // GLVBO_H