Hi Robert,
the 3.4.0 tagged version is OK with the frame rate.
We discovered your commit in the 3.4 branch causing the problem:
From1f1c21772ae0dd10a93cd31ab81bf563802b7b2dMonSep1700:00:002001
From:RobertOsfield<rob...@openscenegraph.com>
Date:Thu,3Nov201611:31:07+0000
Subject:Addedcheckagainstbindingtypeofarraytodecidewhetherit's
appropriatetoassignarraytoVBO.
diff--gita/src/osg/Geometry.cppb/src/osg/Geometry.cpp
index779e8cd..244bf25100644
---a/src/osg/Geometry.cpp
+++b/src/osg/Geometry.cpp
@@-445,7+445,7@@boolGeometry::getDrawElementsList(DrawElementsList&drawElementsList)const
voidGeometry::addVertexBufferObjectIfRequired(osg::Array*array)
{
-if(_useVertexBufferObjects)
+if(_useVertexBufferObjects&&array->getBinding()==Array::BIND_PER_VERTEX)
{
if(!array->getVertexBufferObject())
{
The question is: Why is the viewer frame rate OK, even it is built with
the same version we are using?
What are we doing different to the viewer?
Thanks so much for your excellent work!
- Werner -
Am 28.03.2017 um 18:22 schrieb Robert Osfield:
Hi Wener,
On 28 March 2017 at 16:24, Werner Modenbach
<werner.modenb...@texion.eu <mailto:werner.modenb...@texion.eu>> wrote:
I know it is actually not your duty giving help here but you are very
familiar with the driver calls and it would help a lot if you can
provide
an idea what kind of setting might cause this issue.
I'm a very occasional Windows user so really don't have much
experience with Windows drivers to be able help with driver settings.
It's a long shot, but have your tried the OSG-3.4 branch or OSG master
as these both contain a range of bug fixes/OSG improvements, there is
chance that something has changed that might fix things.
Whatever the cause is it seems to be some small OpenGL state
difference between OSG-3.2 and OSG-3.4.0, I'm afraid I don't know what
this might be. Perhaps using a 3rd party OpenGL debugging tool might
help here - capture all the GL calls for 3.2.x and 3.4.x and see what
the differences are.
Robert.
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