Clean up and fixes to GraphicThread class, and osgcamera example.

This commit is contained in:
Robert Osfield
2005-08-30 14:41:08 +00:00
parent 3810d3b850
commit aba3b4fa67
7 changed files with 73 additions and 67 deletions

View File

@@ -113,25 +113,13 @@ void GraphicsContext::decrementContextIDUsageCount(unsigned int contextID)
GraphicsContext::GraphicsContext():
_closeOnDestruction(true),
_threadOfLastMakeCurrent(0)
{
}
GraphicsContext::~GraphicsContext()
{
// switch off the graphics thread...
setGraphicsThread(0);
if (_state.valid())
{
decrementContextIDUsageCount(_state->getContextID());
}
if (_closeOnDestruction)
{
close();
}
close(false);
}
/** Realise the GraphicsContext.*/
@@ -151,18 +139,25 @@ bool GraphicsContext::realize()
}
}
void GraphicsContext::close()
void GraphicsContext::close(bool callCloseImplementation)
{
// switch off the graphics thread...
setGraphicsThread(0);
closeImplementation();
if (callCloseImplementation) closeImplementation();
if (_state.valid())
{
decrementContextIDUsageCount(_state->getContextID());
_state = 0;
}
}
void GraphicsContext::makeCurrent()
{
osg::notify(osg::NOTICE)<<"Doing GraphicsContext::makeCurrent"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
osg::notify(osg::INFO)<<"Doing GraphicsContext::makeCurrent"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
ReleaseContext_Block_MakeCurrentOperation* rcbmco = 0;
@@ -177,7 +172,7 @@ void GraphicsContext::makeCurrent()
if (!isCurrent()) _mutex.lock();
osg::notify(osg::NOTICE)<<"Calling GraphicsContext::makeCurrentImplementation"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
osg::notify(osg::INFO)<<"Calling GraphicsContext::makeCurrentImplementation"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
makeCurrentImplementation();
@@ -190,7 +185,7 @@ void GraphicsContext::makeCurrent()
rcbmco->release();
}
osg::notify(osg::NOTICE)<<"Done GraphicsContext::makeCurrentImplementation"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
osg::notify(osg::INFO)<<"Done GraphicsContext::makeCurrentImplementation"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
}
void GraphicsContext::makeContextCurrent(GraphicsContext* readContext)
@@ -211,18 +206,18 @@ void GraphicsContext::swapBuffers()
{
if (isCurrent())
{
osg::notify(osg::NOTICE)<<"Doing GraphicsContext::swapBuffers() call to swapBuffersImplementation() "<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
osg::notify(osg::INFO)<<"Doing GraphicsContext::swapBuffers() call to swapBuffersImplementation() "<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
swapBuffersImplementation();
}
else if (_graphicsThread.valid() &&
_threadOfLastMakeCurrent == _graphicsThread.get())
{
osg::notify(osg::NOTICE)<<"Doing GraphicsContext::swapBuffers() registering SwapBuffersOperation"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
osg::notify(osg::INFO)<<"Doing GraphicsContext::swapBuffers() registering SwapBuffersOperation"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
_graphicsThread->add(new SwapBuffersOperation);
}
else
{
osg::notify(osg::NOTICE)<<"Doing GraphicsContext::swapBuffers() makeCurrent;swapBuffersImplementation;releaseContext"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
osg::notify(osg::INFO)<<"Doing GraphicsContext::swapBuffers() makeCurrent;swapBuffersImplementation;releaseContext"<<(unsigned int)OpenThreads::Thread::CurrentThread()<<std::endl;
makeCurrent();
swapBuffersImplementation();
releaseContext();
@@ -256,7 +251,7 @@ void GraphicsContext::setGraphicsThread(GraphicsThread* gt)
{
_graphicsThread->_graphicsContext = this;
if (!_graphicsThread->isRunning() && isRealized())
if (!_graphicsThread->isRunning())
{
_graphicsThread->startThread();
}