git-svn-id: svn://db.shs.com.ru/libs@586 a8b55f48-bf90-11e4-a774-851b48703e85

2019-09-02 14:08:38 +00:00
parent f862381b68
commit 3d06d2095e
929 changed files with 66799 additions and 0 deletions
--- a/test/qglview/glvbo.h
+++ b/test/qglview/glvbo.h
@@ -0,0 +1,98 @@
+/*
+    QGLView
+    Copyright (C) 2019  Ivan Pelipenko peri4ko@yandex.ru
+
+    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"
+#include "chunkstream.h"
+
+class GLVBO : protected QOpenGLFunctions
+{
+	friend class GLObjectBase;
+	friend QDataStream & operator <<(QDataStream & s, const GLVBO & m);
+	friend QDataStream & operator >>(QDataStream & s, GLVBO & m);
+public:
+	GLVBO(GLenum usage = GL_DYNAMIC_DRAW);
+	~GLVBO();
+
+	//GLVBO & operator =(const GLVBO & o) {return *this;}
+
+	void init();
+	void destroy();
+	bool rebuffer(bool clear_ = false);
+	void draw(GLenum type, QOpenGLShaderProgram * prog, bool simplest = false);
+	void clear();
+
+	GLuint buffer() const {return buffer_;}
+	int verticesCount() const {return vertices_.size() / 3;}
+	bool isInit() const {return buffer_ != 0;}
+	bool isEmpty() const {return vertices_.size() < 3;}
+
+	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_;}
+
+	void translatePoints(const QVector3D & dp);
+	void scalePoints(const QVector3D & dp);
+
+	bool saveToFile(const QString & filename);
+	bool loadFromFile(const QString & filename);
+
+	Box3D boundingBox() const;
+
+private:
+	void calculateBinormals();
+
+	QVector<GLfloat> vertices_, normals_, texcoords_, colors_, tangents_, bitangents_;
+	QVector<int> locs;
+	GLenum usage;
+	GLuint buffer_, va_;
+	int vert_count;
+	bool changed, has_normals, has_texcoords, has_colors, has_binormals;
+
+};
+
+
+inline QDataStream & operator <<(QDataStream & s, const GLVBO & m) {
+	ChunkStream cs;
+	//qDebug() << "place VBO" << m.vertices_.size() << m.normals_.size() << m.texcoords_.size() << m.colors_.size() << "...";
+	cs << cs.chunk(1, m.vertices_) << cs.chunk(2, m.normals_) << cs.chunk(3, m.texcoords_) << cs.chunk(4, m.colors_) << cs.chunk(5, m.usage);
+	//qDebug() << "place VBO done" << cs.data().size() << "...";
+	s << qCompress(cs.data()); return s;
+}
+inline QDataStream & operator >>(QDataStream & s, GLVBO & m) {
+	QByteArray ba;
+	s >> ba;
+	ba = qUncompress(ba);
+	ChunkStream cs(ba);
+	while (!cs.atEnd()) {
+		switch (cs.read()) {
+			case 1: m.vertices_ = cs.getData<QVector<GLfloat> >(); break;
+			case 2: m.normals_ = cs.getData<QVector<GLfloat> >(); break;
+			case 3: m.texcoords_ = cs.getData<QVector<GLfloat> >(); break;
+			case 4: m.colors_ = cs.getData<QVector<GLfloat> >(); break;
+			case 5: m.usage = cs.getData<GLenum>(); break;
+		}
+	}
+	m.changed = true;
+	return s;
+}
+
+#endif // GLVBO_H