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#ifndef _GLUOBJECTWRAPPER_HPP
#define _GLUOBJECTWRAPPER_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES Utilities
* ------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* 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.
*
*//*!
* \file
* \brief API object wrapper.
*//*--------------------------------------------------------------------*/
#include "gluDefs.hpp"
#include "gluRenderContext.hpp"
#include "glwFunctions.hpp"
#include <vector>
namespace glu
{
/*--------------------------------------------------------------------*//*!
* \brief API object type.
*
* API object type is used to choose allocation and deallocation routines
* for objects.
*//*--------------------------------------------------------------------*/
enum ObjectType
{
OBJECTTYPE_TEXTURE = 0,
OBJECTTYPE_BUFFER,
OBJECTTYPE_RENDERBUFFER,
OBJECTTYPE_FRAMEBUFFER,
OBJECTTYPE_TRANSFORM_FEEDBACK,
OBJECTTYPE_VERTEX_ARRAY,
OBJECTTYPE_QUERY,
OBJECTTYPE_SAMPLER,
OBJECTTYPE_LAST
};
struct ObjectTraits
{
const char* name;
glw::glGenBuffersFunc glw::Functions::*genFunc;
glw::glDeleteBuffersFunc glw::Functions::*deleteFunc;
};
const ObjectTraits& objectTraits (ObjectType type);
class ObjectWrapper
{
public:
ObjectWrapper (const glw::Functions& gl, const ObjectTraits& traits);
ObjectWrapper (const glw::Functions& gl, const ObjectTraits& traits, deUint32 object);
~ObjectWrapper (void);
inline deUint32 get (void) const { return m_object; }
inline deUint32 operator* (void) const { return m_object; }
protected:
const glw::Functions& m_gl;
const ObjectTraits& m_traits;
deUint32 m_object;
private:
ObjectWrapper (const ObjectWrapper& other);
ObjectWrapper& operator= (const ObjectWrapper& other);
} DE_WARN_UNUSED_TYPE;
/*--------------------------------------------------------------------*//*!
* \brief API object wrapper template.
*//*--------------------------------------------------------------------*/
template<ObjectType Type> class TypedObjectWrapper : public ObjectWrapper
{
public:
TypedObjectWrapper (const glw::Functions& gl, deUint32 object) : ObjectWrapper(gl, objectTraits(Type), object) {}
explicit TypedObjectWrapper (const RenderContext& context) : ObjectWrapper(context.getFunctions(), objectTraits(Type)) {}
explicit TypedObjectWrapper (const glw::Functions& gl) : ObjectWrapper(gl, objectTraits(Type)) {}
} DE_WARN_UNUSED_TYPE;
/*--------------------------------------------------------------------*//*!
* \brief API object vector.
*//*--------------------------------------------------------------------*/
class ObjectVector
{
public:
ObjectVector (const glw::Functions& gl, const ObjectTraits& traits, size_t numObjects = 0);
~ObjectVector (void);
size_t size (void) const { return m_objects.size(); }
void resize (size_t newSize);
void clear (void);
bool empty (void) const { return m_objects.empty(); }
deUint32 get (size_t ndx) const { return m_objects[ndx]; }
deUint32 operator[] (size_t ndx) const { return get(ndx); }
private:
ObjectVector (const ObjectVector& other);
ObjectVector& operator= (const ObjectVector& other);
const glw::Functions& m_gl;
const ObjectTraits& m_traits;
std::vector<deUint32> m_objects;
} DE_WARN_UNUSED_TYPE;
template<ObjectType Type> class TypedObjectVector : public ObjectVector
{
public:
explicit TypedObjectVector (const RenderContext& context, size_t numObjects = 0) : ObjectVector(context.getFunctions(), objectTraits(Type), numObjects) {}
explicit TypedObjectVector (const glw::Functions& gl, size_t numObjects = 0) : ObjectVector(gl, objectTraits(Type), numObjects) {}
};
// Typedefs for simple wrappers without functionality.
typedef TypedObjectWrapper<OBJECTTYPE_TEXTURE> Texture;
typedef TypedObjectWrapper<OBJECTTYPE_BUFFER> Buffer;
typedef TypedObjectWrapper<OBJECTTYPE_RENDERBUFFER> Renderbuffer;
typedef TypedObjectWrapper<OBJECTTYPE_FRAMEBUFFER> Framebuffer;
typedef TypedObjectWrapper<OBJECTTYPE_TRANSFORM_FEEDBACK> TransformFeedback;
typedef TypedObjectWrapper<OBJECTTYPE_VERTEX_ARRAY> VertexArray;
typedef TypedObjectWrapper<OBJECTTYPE_QUERY> Query;
typedef TypedObjectWrapper<OBJECTTYPE_SAMPLER> Sampler;
typedef TypedObjectVector<OBJECTTYPE_TEXTURE> TextureVector;
typedef TypedObjectVector<OBJECTTYPE_BUFFER> BufferVector;
typedef TypedObjectVector<OBJECTTYPE_RENDERBUFFER> RenderbufferVector;
} // glu
#endif // _GLUOBJECTWRAPPER_HPP