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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#ifndef INCLUDED_VCL_INC_OPENGL_BUFFEROBJECT_H
#define INCLUDED_VCL_INC_OPENGL_BUFFEROBJECT_H
namespace vcl
{
template<typename TYPE, GLenum BUFFER_TYPE>
class BufferObject
{
private:
GLuint mId;
public:
BufferObject()
: mId(0)
{
glGenBuffers(1, &mId);
CHECK_GL_ERROR();
}
virtual ~BufferObject()
{
if (mId)
{
glDeleteBuffers(1, &mId);
CHECK_GL_ERROR();
mId = 0;
}
}
void bind()
{
if (mId)
{
glBindBuffer(BUFFER_TYPE, mId);
CHECK_GL_ERROR();
}
}
void unbind()
{
if (mId)
{
glBindBuffer(BUFFER_TYPE, 0);
CHECK_GL_ERROR();
}
}
void upload(const std::vector<TYPE>& rData)
{
if (mId)
{
bind();
glBufferData(BUFFER_TYPE, sizeof(TYPE) * rData.size(), rData.data(), GL_STATIC_DRAW);
CHECK_GL_ERROR();
}
}
};
template<typename TYPE>
class VertexBufferObject : public BufferObject<TYPE, GL_ARRAY_BUFFER>
{
};
class IndexBufferObject : public BufferObject<GLuint, GL_ELEMENT_ARRAY_BUFFER>
{
};
} // end vcl
#endif // INCLUDED_VCL_INC_OPENGL_BUFFEROBJECT_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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