Hi all,
Any feedback on that issue ?
Is there something I need to change in my code to get OpenGL > 3 with
OpenSceneGraph on OS X ?
Regards,
Florent
Le 28/04/2016 18:21, Florent Berthaut a écrit :
Hi all,
I am trying to port my GNU/Linux project (with OSG 3.4.0) to OS X.
I first installed OSG with Macports.
However the glsl shaders do not compile with anything above version
110, whereas i need at least version 3 and when available 4.2 (for
image load store features).
I saw this post, which relates to the same issue (choosing OpenGL Core
Profile instead of Compatibility profile):
http://forum.openscenegraph.org/viewtopic.php?t=9992=osx
It would seem that the issue has been fixed, but looking at the source
code of OSG 3.4.0, 3.5.0 and 3.5.1, it does not seem that the correct
calls have been added.
I tried adding them before recompiling OSG but then i get a bunch of
errors.
If i change the shaders syntax and use version 110, in order to match
compatibility profile on OSX, they compile but the application then
crashes.
Here is backtrace of the crash :
0 com.apple.driver.AppleIntelHD4000GraphicsGLDriver 0x00010f85dd5c
IntelVertexArray::setElemData(unsigned int, unsigned int, unsigned
short, unsigned int) + 308
1 com.apple.driver.AppleIntelHD4000GraphicsGLDriver
0x00010f85dc1a
IntelVertexArray::extractState(GLDVertexArrayDataRec const*, unsigned
long long) + 170
2 libGPUSupportMercury.dylib0x7fff92e075bb
gpusLoadCurrentVertexArray + 195
3 com.apple.driver.AppleIntelHD4000GraphicsGLDriver
0x00010f85b179 Gen7::updateDispatch(GLDContextRec*,
GLDRenderDispatch*, unsigned int*) + 1393
4 GLEngine 0x7fff8ee5dad4
gleDoDrawDispatchCore + 533
5 GLEngine 0x7fff8ee00636
gleSetupAndDrawArraysOrElementsOutOfLine_ListExec + 886
6 GLEngine 0x7fff8ed8aa6a gleCallList + 170
7 libosgUtil.130.dylib 0x00010779085d
osgUtil::RenderLeaf::render(osg::RenderInfo&, osgUtil::RenderLeaf*)
Is there something specific I need to do in my code in order to
activate the OpenGL Core Profile ?
Thanks in advance,
Regards,
Florent
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