96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/***************************************************************************
|
|
* Copyright (c) 2018 Werner Mayer <wmayer[at]users.sourceforge.net> *
|
|
* *
|
|
* This file is part of the FreeCAD CAx development system. *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Library General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
* This library 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 Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; see the file COPYING.LIB. If not, *
|
|
* write to the Free Software Foundation, Inc., 59 Temple Place, *
|
|
* Suite 330, Boston, MA 02111-1307, USA *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
|
|
#ifndef GUI_GLBUFFER_H
|
|
#define GUI_GLBUFFER_H
|
|
|
|
#include <FCGlobal.h>
|
|
#include <map>
|
|
#include <Inventor/C/glue/gl.h>
|
|
|
|
namespace Gui {
|
|
|
|
class GuiExport OpenGLBuffer
|
|
{
|
|
public:
|
|
OpenGLBuffer(GLenum type);
|
|
~OpenGLBuffer();
|
|
|
|
static bool isVBOSupported(uint32_t ctx);
|
|
|
|
void setCurrentContext(uint32_t ctx);
|
|
bool create();
|
|
bool isCreated() const;
|
|
|
|
void destroy();
|
|
void allocate(const void *data, int count);
|
|
bool bind();
|
|
void release();
|
|
GLuint getBufferId() const;
|
|
uint32_t getBoundContext() const;
|
|
int size() const;
|
|
|
|
private:
|
|
static void context_destruction_cb(uint32_t context, void * userdata);
|
|
static void buffer_delete(void * closure, uint32_t contextid);
|
|
|
|
GLenum target;
|
|
GLuint bufferId;
|
|
uint32_t context;
|
|
uint32_t currentContext;
|
|
const cc_glglue* glue;
|
|
};
|
|
|
|
class GuiExport OpenGLMultiBuffer
|
|
{
|
|
public:
|
|
OpenGLMultiBuffer(GLenum type);
|
|
~OpenGLMultiBuffer();
|
|
|
|
void setCurrentContext(uint32_t ctx);
|
|
bool create();
|
|
bool isCreated(uint32_t ctx) const;
|
|
|
|
void destroy();
|
|
void allocate(const void *data, int count);
|
|
bool bind();
|
|
void release();
|
|
GLuint getBufferId() const;
|
|
int size() const;
|
|
|
|
private:
|
|
static void context_destruction_cb(uint32_t context, void * userdata);
|
|
static void buffer_delete(void * closure, uint32_t contextid);
|
|
|
|
GLenum target;
|
|
// map context to buffer id
|
|
std::map<uint32_t, GLuint> bufs;
|
|
GLuint *currentBuf;
|
|
uint32_t currentContext;
|
|
const cc_glglue* glue;
|
|
};
|
|
|
|
} // namespace Gui
|
|
|
|
#endif // GUI_GLBUFFER_H
|