95 lines
3.1 KiB
C++
95 lines
3.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2018 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef GUI_GLBUFFER_H
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#define GUI_GLBUFFER_H
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#include <map>
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#include <Inventor/C/glue/gl.h>
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namespace Gui {
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class GuiExport OpenGLBuffer
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{
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public:
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OpenGLBuffer(GLenum type);
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~OpenGLBuffer();
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static bool isVBOSupported(uint32_t ctx);
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void setCurrentContext(uint32_t ctx);
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bool create();
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bool isCreated() const;
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void destroy();
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void allocate(const void *data, int count);
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bool bind();
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void release();
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GLuint getBufferId() const;
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uint32_t getBoundContext() const;
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int size() const;
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private:
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static void context_destruction_cb(uint32_t context, void * userdata);
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static void buffer_delete(void * closure, uint32_t contextid);
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GLenum target;
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GLuint bufferId;
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uint32_t context;
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uint32_t currentContext;
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const cc_glglue* glue;
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};
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class GuiExport OpenGLMultiBuffer
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{
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public:
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OpenGLMultiBuffer(GLenum type);
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~OpenGLMultiBuffer();
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void setCurrentContext(uint32_t ctx);
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bool create();
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bool isCreated(uint32_t ctx) const;
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void destroy();
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void allocate(const void *data, int count);
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bool bind();
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void release();
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GLuint getBufferId() const;
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int size() const;
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private:
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static void context_destruction_cb(uint32_t context, void * userdata);
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static void buffer_delete(void * closure, uint32_t contextid);
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GLenum target;
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// map context to buffer id
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std::map<uint32_t, GLuint> bufs;
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GLuint *currentBuf;
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uint32_t currentContext;
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const cc_glglue* glue;
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};
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} // namespace Gui
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#endif // GUI_GLBUFFER_H
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