FGFS-4.1/OpenSceneGraph
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Added support for tracking the time since the last clear() call to enable other

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classes to be able to find out how long the current graphics frame has been running.
This commit is contained in:
Robert Osfield
2009-03-12 15:18:51 +00:00
parent 5a537261a6
commit c3fc21fa82
2 changed files with 11 additions and 2 deletions
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8
src/osg/GraphicsContext.cpp
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@@ -382,7 +382,8 @@ GraphicsContext* GraphicsContext::getCompileContext(unsigned int contextID)
GraphicsContext::GraphicsContext():
_clearColor(osg::Vec4(0.0f,0.0f,0.0f,1.0f)),
_clearMask(0),
_threadOfLastMakeCurrent(0)
_threadOfLastMakeCurrent(0),
_lastClearTick(0)
{
setThreadSafeRefUnref(true);
_operationsBlock = new RefBlock;
@@ -393,7 +394,8 @@ GraphicsContext::GraphicsContext():
GraphicsContext::GraphicsContext(const GraphicsContext&, const osg::CopyOp&):
_clearColor(osg::Vec4(0.0f,0.0f,0.0f,1.0f)),
_clearMask(0),
_threadOfLastMakeCurrent(0)
_threadOfLastMakeCurrent(0),
_lastClearTick(0)
{
setThreadSafeRefUnref(true);
_operationsBlock = new RefBlock;
@@ -410,6 +412,8 @@ GraphicsContext::~GraphicsContext()
void GraphicsContext::clear()
{
_lastClearTick = osg::Timer::instance()->tick();
if (_clearMask==0 || !_traits) return;
glViewport(0, 0, _traits->width, _traits->height);