#ifndef _GLUOBJECTWRAPPER_HPP
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#define _GLUOBJECTWRAPPER_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program OpenGL ES Utilities
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* ------------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief API object wrapper.
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*//*--------------------------------------------------------------------*/
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#include "gluDefs.hpp"
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#include "gluRenderContext.hpp"
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#include "glwFunctions.hpp"
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#include <vector>
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namespace glu
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{
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/*--------------------------------------------------------------------*//*!
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* \brief API object type.
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*
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* API object type is used to choose allocation and deallocation routines
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* for objects.
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*//*--------------------------------------------------------------------*/
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enum ObjectType
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{
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OBJECTTYPE_TEXTURE = 0,
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OBJECTTYPE_BUFFER,
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OBJECTTYPE_RENDERBUFFER,
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OBJECTTYPE_FRAMEBUFFER,
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OBJECTTYPE_TRANSFORM_FEEDBACK,
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OBJECTTYPE_VERTEX_ARRAY,
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OBJECTTYPE_QUERY,
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OBJECTTYPE_SAMPLER,
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OBJECTTYPE_LAST
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};
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struct ObjectTraits
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{
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const char* name;
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glw::glGenBuffersFunc glw::Functions::*genFunc;
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glw::glDeleteBuffersFunc glw::Functions::*deleteFunc;
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};
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const ObjectTraits& objectTraits (ObjectType type);
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class ObjectWrapper
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{
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public:
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ObjectWrapper (const glw::Functions& gl, const ObjectTraits& traits);
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ObjectWrapper (const glw::Functions& gl, const ObjectTraits& traits, deUint32 object);
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~ObjectWrapper (void);
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inline deUint32 get (void) const { return m_object; }
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inline deUint32 operator* (void) const { return m_object; }
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protected:
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const glw::Functions& m_gl;
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const ObjectTraits& m_traits;
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deUint32 m_object;
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private:
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ObjectWrapper (const ObjectWrapper& other);
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ObjectWrapper& operator= (const ObjectWrapper& other);
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief API object wrapper template.
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*//*--------------------------------------------------------------------*/
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template<ObjectType Type> class TypedObjectWrapper : public ObjectWrapper
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{
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public:
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TypedObjectWrapper (const glw::Functions& gl, deUint32 object) : ObjectWrapper(gl, objectTraits(Type), object) {}
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explicit TypedObjectWrapper (const RenderContext& context) : ObjectWrapper(context.getFunctions(), objectTraits(Type)) {}
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explicit TypedObjectWrapper (const glw::Functions& gl) : ObjectWrapper(gl, objectTraits(Type)) {}
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} DE_WARN_UNUSED_TYPE;
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/*--------------------------------------------------------------------*//*!
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* \brief API object vector.
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*//*--------------------------------------------------------------------*/
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class ObjectVector
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{
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public:
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ObjectVector (const glw::Functions& gl, const ObjectTraits& traits, size_t numObjects = 0);
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~ObjectVector (void);
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size_t size (void) const { return m_objects.size(); }
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void resize (size_t newSize);
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void clear (void);
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bool empty (void) const { return m_objects.empty(); }
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deUint32 get (size_t ndx) const { return m_objects[ndx]; }
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deUint32 operator[] (size_t ndx) const { return get(ndx); }
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private:
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ObjectVector (const ObjectVector& other);
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ObjectVector& operator= (const ObjectVector& other);
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const glw::Functions& m_gl;
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const ObjectTraits& m_traits;
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std::vector<deUint32> m_objects;
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} DE_WARN_UNUSED_TYPE;
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template<ObjectType Type> class TypedObjectVector : public ObjectVector
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{
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public:
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explicit TypedObjectVector (const RenderContext& context, size_t numObjects = 0) : ObjectVector(context.getFunctions(), objectTraits(Type), numObjects) {}
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explicit TypedObjectVector (const glw::Functions& gl, size_t numObjects = 0) : ObjectVector(gl, objectTraits(Type), numObjects) {}
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};
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// Typedefs for simple wrappers without functionality.
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typedef TypedObjectWrapper<OBJECTTYPE_TEXTURE> Texture;
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typedef TypedObjectWrapper<OBJECTTYPE_BUFFER> Buffer;
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typedef TypedObjectWrapper<OBJECTTYPE_RENDERBUFFER> Renderbuffer;
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typedef TypedObjectWrapper<OBJECTTYPE_FRAMEBUFFER> Framebuffer;
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typedef TypedObjectWrapper<OBJECTTYPE_TRANSFORM_FEEDBACK> TransformFeedback;
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typedef TypedObjectWrapper<OBJECTTYPE_VERTEX_ARRAY> VertexArray;
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typedef TypedObjectWrapper<OBJECTTYPE_QUERY> Query;
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typedef TypedObjectWrapper<OBJECTTYPE_SAMPLER> Sampler;
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typedef TypedObjectVector<OBJECTTYPE_TEXTURE> TextureVector;
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typedef TypedObjectVector<OBJECTTYPE_BUFFER> BufferVector;
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typedef TypedObjectVector<OBJECTTYPE_RENDERBUFFER> RenderbufferVector;
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} // glu
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#endif // _GLUOBJECTWRAPPER_HPP
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