59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
|
|
QGL Buffer
|
|
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 GLBUFFER_H
|
|
#define GLBUFFER_H
|
|
|
|
#include "gltypes.h"
|
|
|
|
|
|
class Buffer {
|
|
friend class ObjectBase;
|
|
|
|
public:
|
|
Buffer(GLenum target, GLenum usage = GL_DYNAMIC_DRAW);
|
|
~Buffer();
|
|
|
|
void init(QOpenGLExtraFunctions * f);
|
|
void destroy(QOpenGLExtraFunctions * f);
|
|
void reinit();
|
|
|
|
void bind(QOpenGLExtraFunctions * f);
|
|
void release(QOpenGLExtraFunctions * f);
|
|
void * map(QOpenGLExtraFunctions * f, GLbitfield mode, int size = -1);
|
|
void unmap(QOpenGLExtraFunctions * f);
|
|
|
|
// returns true if size changed
|
|
bool resize(QOpenGLExtraFunctions * f, int new_size);
|
|
void load(QOpenGLExtraFunctions * f, const void * data, int size, int offset = 0);
|
|
|
|
GLuint ID() const { return buffer_; }
|
|
GLenum usage() const { return usage_; }
|
|
GLenum target() const { return target_; }
|
|
void setTarget(GLenum t) { target_ = t; }
|
|
bool isInit() const { return buffer_ != 0; }
|
|
|
|
private:
|
|
GLenum target_, usage_;
|
|
GLuint buffer_;
|
|
int prev_size;
|
|
};
|
|
|
|
|
|
#endif // GLBUFFER_H
|