Ykkrosh
f4d1ad77c2
Fail more nicely (no repeated error dialogs, no crashes) when unable to create VBOs. This was SVN commit r4931.
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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//
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// Name: VertexBufferManager.cpp
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// Author: Rich Cross
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// Contact: rich@wildfiregames.com
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "precompiled.h"
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#include "lib/ogl.h"
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#include "VertexBufferManager.h"
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#include "ps/CLogger.h"
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#define LOG_CATEGORY "graphics"
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// janwas 2004-06-14: added dtor
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CVertexBufferManager::~CVertexBufferManager()
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{
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}
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///////////////////////////////////////////////////////////////////////////////
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// Explicit shutdown of the vertex buffer subsystem.
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// This avoids the ordering issues that arise when using destructors of
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// global instances.
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void CVertexBufferManager::Shutdown()
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{
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typedef std::list<CVertexBuffer*>::iterator Iter;
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for (Iter iter=m_Buffers.begin();iter!=m_Buffers.end();++iter)
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delete *iter;
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CVertexBuffer::Shutdown();
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}
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///////////////////////////////////////////////////////////////////////////////
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// Allocate: try to allocate a buffer of given number of vertices (each of
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// given size), with the given type, and using the given texture - return null
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// if no free chunks available
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CVertexBuffer::VBChunk* CVertexBufferManager::Allocate(size_t vertexSize, size_t numVertices, bool dynamic)
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{
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CVertexBuffer::VBChunk* result=0;
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// TODO, RC - run some sanity checks on allocation request
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// iterate through all existing buffers testing for one that'll
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// satisfy the allocation
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typedef std::list<CVertexBuffer*>::iterator Iter;
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for (Iter iter = m_Buffers.begin(); iter != m_Buffers.end(); ++iter) {
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CVertexBuffer* buffer = *iter;
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result = buffer->Allocate(vertexSize, numVertices, dynamic);
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if (result)
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return result;
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}
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// got this far; need to allocate a new buffer
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CVertexBuffer* buffer = new CVertexBuffer(vertexSize, dynamic);
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m_Buffers.push_front(buffer);
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result = buffer->Allocate(vertexSize, numVertices, dynamic);
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if (!result)
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{
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LOG(ERROR, LOG_CATEGORY, "Failed to create VBOs (%d*%d)", vertexSize, numVertices);
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}
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return result;
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}
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///////////////////////////////////////////////////////////////////////////////
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// Release: return given chunk to its owner
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void CVertexBufferManager::Release(CVertexBuffer::VBChunk* chunk)
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{
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debug_assert(chunk);
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chunk->m_Owner->Release(chunk);
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}
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///////////////////////////////////////////////////////////////////////////////
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// ClearBatchIndices: empty out the batch lists of all vertex buffers
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void CVertexBufferManager::ClearBatchIndices()
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{
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typedef std::list<CVertexBuffer*>::iterator Iter;
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for (Iter iter=m_Buffers.begin();iter!=m_Buffers.end();++iter) {
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CVertexBuffer* buffer=*iter;
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buffer->ClearBatchIndices();
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}
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}
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