ResInsight/Fwk/VizFwk/LibRender/cvfOpenGLResourceManager.h

119 lines
5.1 KiB
C++

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