[osg-users] Osg 3.4.1 - Tutorial 12 Fails on Mac OSX Sierra - Framebuffer problem

[Jeff Sprenger]

I have just built 3.4.1 from github on the mac (MacOS Sierra, 10.12.6). The early tutorials Tut2 etc work fine.  Tutorial 12, which introduces shadows, runs but dumps out warning messages. No shadows appear.

here is the console output:


Code:

StatsHandler::StatsHandler() Setting up GL2 compatible shaders
Warning: FrameBufferObject: could not create the FBO
RenderStage::runCameraSetUp(), FBO setup failed, FBO status= 0x0
FRAGMENT glCompileShader "" FAILED
glLinkProgram 0x7fb62e676ea0"" FAILED
Warning: FrameBufferObject: could not create the FBO
RenderStage::runCameraSetUp(), FBO setup failed, FBO status= 0x0




How to I fix or investigate the problem with failing to create the FBO?
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