112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
/*
|
|
QGLView
|
|
Ivan Pelipenko peri4ko@yandex.ru
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef GLVBO_H
|
|
#define GLVBO_H
|
|
|
|
#include "chunkstream.h"
|
|
#include "gltypes.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
|