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119 lines
5.1 KiB
C++
119 lines
5.1 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (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, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (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, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cvfObject.h"
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#include "cvfOpenGLTypes.h"
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#include "cvfCollection.h"
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#include <map>
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#include <list>
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namespace cvf {
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class BufferObjectManaged;
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class ShaderProgram;
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class OpenGLContext;
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class OglRc;
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class OglRcShader;
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class OglRcProgram;
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class OglRcTexture;
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class OglRcRenderbuffer;
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class OglRcFramebuffer;
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//==================================================================================================
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//
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// OpenGL resource manager
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//
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//==================================================================================================
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class OpenGLResourceManager : public Object
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{
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public:
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OpenGLResourceManager();
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virtual ~OpenGLResourceManager();
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ref<BufferObjectManaged> getOrCreateManagedBufferObject(OpenGLContext* oglContext, cvfGLenum target, size_t sizeInBytes, const void* data);
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int bufferObjectCount() const;
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size_t bufferObjectMemoryUsage() const;
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ref<OglRcShader> createOglRcShader(OpenGLContext* oglContext, cvfGLenum shaderType);
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ref<OglRcProgram> createOglRcProgram(OpenGLContext* oglContext);
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ref<OglRcTexture> createOglRcTexture(OpenGLContext* oglContext);
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ref<OglRcRenderbuffer> createOglRcRenderbuffer(OpenGLContext* oglContext);
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ref<OglRcFramebuffer> createOglRcFramebuffer(OpenGLContext* oglContext);
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ShaderProgram* getLinkedTextShaderProgram(OpenGLContext* oglContext);
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ShaderProgram* getLinkedNudgeShaderProgram(OpenGLContext* oglContext);
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ShaderProgram* getLinkedUnlitColorShaderProgram(OpenGLContext* oglContext);
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ShaderProgram* getLinkedUnlitTextureShaderProgram(OpenGLContext* oglContext);
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ShaderProgram* getLinkedVectorDrawerShaderProgram(OpenGLContext* oglContext);
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void evictOrphanedOpenGLResources(OpenGLContext* oglContext);
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void deleteAllOpenGLResources(OpenGLContext* oglContext);
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bool hasAnyOpenGLResources() const;
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void dumpCurrentResourceUsage() const;
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private:
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void deleteAllManagedBufferObjects(OpenGLContext* oglContext);
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void deleteOrphanedManagedBufferObjects(OpenGLContext* oglContext);
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void deleteAllOglRcObjects(OpenGLContext* oglContext);
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void deleteOrphanedOglRcObjects(OpenGLContext* oglContext);
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void deleteAllShaderPrograms(OpenGLContext* oglContext);
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private:
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typedef std::map<const void*, ref<BufferObjectManaged> > DataPtrBufferObjectMap;
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typedef std::map<const void*, ref<BufferObjectManaged> >::iterator DataPtrBufferObjectMapIterator;
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typedef std::list<ref<OglRc> > OglResourcesList;
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typedef std::list<ref<OglRc> >::iterator OglResourcesListIterator;
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DataPtrBufferObjectMap m_dataPtrBufferObjectMap; // Mapping from data pointer to BufferObject
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mutable size_t m_cachedVboMemoryUsage; //
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OglResourcesList m_oglResources;
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ref<ShaderProgram> m_textShaderProgram;
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ref<ShaderProgram> m_nudgeShaderProgram;
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ref<ShaderProgram> m_unlitColorShaderProgram;
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ref<ShaderProgram> m_unlitTextureShaderProgram;
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ref<ShaderProgram> m_vectorDrawerShaderProgram;
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};
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}
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