Terrain::BufferCache Class Reference

Implements creation and caching of vertex buffers for terrain chunks. More...

#include <buffercache.hpp>

Collaboration diagram for Terrain::BufferCache:

Public Member Functions
	BufferCache (unsigned int numVerts)
osg::ref_ptr< osg::DrawElements >	getIndexBuffer (unsigned int flags)
osg::ref_ptr< osg::Vec2Array >	getUVBuffer ()

Private Attributes
std::map< int, osg::ref_ptr < osg::DrawElements > >	mIndexBufferMap
OpenThreads::Mutex	mIndexBufferMutex
std::map< int, osg::ref_ptr < osg::Vec2Array > >	mUvBufferMap
OpenThreads::Mutex	mUvBufferMutex
unsigned int	mNumVerts

Detailed Description

Implements creation and caching of vertex buffers for terrain chunks.

Constructor & Destructor Documentation

Terrain::BufferCache::BufferCache ( unsigned int  numVerts )

inline

Member Function Documentation

osg::ref_ptr< osg::DrawElements > Terrain::BufferCache::getIndexBuffer

(

unsigned int

flags

)

Parameters

flags

first 4*4 bits are LOD deltas on each edge, respectively (4 bits each) next 4 bits are LOD level of the index buffer (LOD 0 = don't omit any vertices)

Note

Thread safe.

Here is the caller graph for this function:

osg::ref_ptr< osg::Vec2Array > Terrain::BufferCache::getUVBuffer

(

)

Note

Thread safe.

Here is the caller graph for this function:

Member Data Documentation

std::map<int, osg::ref_ptr<osg::DrawElements> > Terrain::BufferCache::mIndexBufferMap

private

OpenThreads::Mutex Terrain::BufferCache::mIndexBufferMutex

private

unsigned int Terrain::BufferCache::mNumVerts

private

std::map<int, osg::ref_ptr<osg::Vec2Array> > Terrain::BufferCache::mUvBufferMap

private

OpenThreads::Mutex Terrain::BufferCache::mUvBufferMutex

private

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The documentation for this class was generated from the following files:

• /home/travis/build/OpenMW/openmw/components/terrain/buffercache.hpp
• /home/travis/build/OpenMW/openmw/components/terrain/buffercache.cpp