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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef otb_GlMesh_h
#define otb_GlMesh_h
#include "OTBIceExport.h"
#include "otbGlVertexArrayObject.h"
#include "otbGlBufferObject.h"
namespace otb { namespace gl {
/**
* @class OpenGL mesh.
*/
struct Mesh
{
Mesh() = default;
template< typename VT,
typename IT = GLuint >
Mesh( std::initializer_list< VT > vertices,
std::size_t components,
std::initializer_list< IT > indices ) :
m_VBO( vertices, components ),
m_IBO( indices, 3 )
{}
Mesh( Mesh && ) = default;
// Mesh & operator = ( Mesh && ) = default;
// Mesh( Mesh && m ) :
// m_VAO( std::move( m.m_VAO ) ),
// m_VBO( std::move( m.m_VBO ) ),
// m_IBO( std::move( m.m_IBO ) )
// {}
void
Bind( bool isEnabled = true )
{
assert( glIsBuffer( m_VBO ) );
assert( glIsBuffer( m_IBO ) );
assert( glIsVertexArray( m_VAO ) );
m_VAO.Bind( isEnabled );
m_VBO.Bind( isEnabled );
m_IBO.Bind( isEnabled );
}
void
VertexAttribPointer( VertexBufferObject::Id_t id,
std::size_t components,
std::ptrdiff_t first = 0 ) const;
VertexBufferObject const &
VBO() const noexcept
{
return m_VBO;
}
IndexBufferObject const &
IBO() const
{
return m_IBO;
}
private:
VertexArrayObject m_VAO;
VertexBufferObject m_VBO;
IndexBufferObject m_IBO;
};
Mesh MakeTexturedQuad( Id_t xy, Id_t uv );
Mesh MakeInterleavedTexturedQuad( Id_t xy, Id_t uv );
Mesh MakeQuad( Id_t xy);
} // end namespace gl.
} // end namespace otb.
#endif // otb_GlMesh_h
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