106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
#include "CVertexArrayManager.h"
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// ************ STATIC MEMBER INITIALIZATION ************
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std::vector<CVertexArrayManager*> CVertexArrayManager::sVAManagers;
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CVertexArrayManager *CVertexArrayManager::spCurrentManager;
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// ************ CONSTRUCTORS/DESTRUCTORS ************
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CVertexArrayManager::CVertexArrayManager()
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{
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mVectorIndex = sVAManagers.size();
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sVAManagers.push_back(this);
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}
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CVertexArrayManager::~CVertexArrayManager()
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{
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for (auto it = mVBOMap.begin(); it != mVBOMap.end(); it = mVBOMap.begin())
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DeleteVAO(it->first);
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for (auto it = mDynamicVBOMap.begin(); it != mDynamicVBOMap.end(); it = mDynamicVBOMap.begin())
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DeleteVAO(it->first);
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sVAManagers.erase(sVAManagers.begin() + mVectorIndex);
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if (sVAManagers.size() > mVectorIndex)
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for (auto it = sVAManagers.begin() + mVectorIndex; it != sVAManagers.end(); it++)
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(*it)->mVectorIndex--;
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}
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// ************ PUBLIC ************
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void CVertexArrayManager::SetCurrent()
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{
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spCurrentManager = this;
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}
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void CVertexArrayManager::BindVAO(CVertexBuffer *pVBO)
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{
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auto it = mVBOMap.find(pVBO);
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if (it != mVBOMap.end())
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glBindVertexArray(it->second);
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else
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{
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GLuint VAO = pVBO->CreateVAO();
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mVBOMap[pVBO] = VAO;
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glBindVertexArray(VAO);
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}
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}
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void CVertexArrayManager::BindVAO(CDynamicVertexBuffer *pVBO)
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{
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// Overload for CDynamicVertexBuffer
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auto it = mDynamicVBOMap.find(pVBO);
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if (it != mDynamicVBOMap.end())
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glBindVertexArray(it->second);
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else
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{
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GLuint VAO = pVBO->CreateVAO();
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mDynamicVBOMap[pVBO] = VAO;
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glBindVertexArray(VAO);
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}
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}
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void CVertexArrayManager::DeleteVAO(CVertexBuffer *pVBO)
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{
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auto it = mVBOMap.find(pVBO);
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if (it != mVBOMap.end())
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{
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glDeleteVertexArrays(1, &it->second);
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mVBOMap.erase(it);
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}
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}
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void CVertexArrayManager::DeleteVAO(CDynamicVertexBuffer *pVBO)
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{
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// Overload for CDynamicVertexBuffer
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auto it = mDynamicVBOMap.find(pVBO);
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if (it != mDynamicVBOMap.end())
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{
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glDeleteVertexArrays(1, &it->second);
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mDynamicVBOMap.erase(it);
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}
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}
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// ************ STATIC ************
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CVertexArrayManager* CVertexArrayManager::Current()
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{
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return spCurrentManager;
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}
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void CVertexArrayManager::DeleteAllArraysForVBO(CVertexBuffer *pVBO)
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{
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for (u32 iVAM = 0; iVAM < sVAManagers.size(); iVAM++)
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sVAManagers[iVAM]->DeleteVAO(pVBO);
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}
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void CVertexArrayManager::DeleteAllArraysForVBO(CDynamicVertexBuffer *pVBO)
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{
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for (u32 iVAM = 0; iVAM < sVAManagers.size(); iVAM++)
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sVAManagers[iVAM]->DeleteVAO(pVBO);
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}
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