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- IOSUtil/OSXUtil: Return float value and refine name to GetScreenPixelScale*
- WindowDriver's updateMaxScreenPixelScaleByDisplayID(..) and updateMaxScreenPixelScaleByWindowHandle(..)
will only update the maxPixelScale, as actual user pixelSize change should not be triggered here.
A user pixelSize adaption to the changed underlying scale capabilities (e.g. switch monitor)
should be supported by the implemented WindowDriver's: updatePixelScale(..) called by native code.
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Notable bug as mentioned before:
The FBO used and sharing the COLORBUFFER RENDERBUFFER
memory resources with CAEAGLLayer to be displayed in the UIView
seemingly cannot handle GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24
or GL_DEPTH_COMPONENT32 depth buffer - none at all (Device + Simulation).
This workaround re-binds the used color renderbuffer for EAGLLayer presentation
at the end of the FBO drawable instantiation.
FBO DEPTH buffer works now as demonstrated w/ GearsES2.
We have to issue one more test now, using a demo using an FBO itself.
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using our OpenJFK 9 x86_64 and arm64 build.
Test demo class is 'com.jogamp.opengl.demos.ios.Hello',
residing in the new demo folder 'src/demos/com/jogamp/opengl/demos/ios/Hello.java'.
This commit does not yet include a working NEWT
specialization for iOS, but it shall followup soon.
Instead this commit demonstrates JOGL operating on
native UIWindow, UIView and CAEAGLLayer as provided by
Nativewindow's IOSUtil.
Test Video https://www.youtube.com/watch?v=Z4lUQNFTGMI
+++
Notable bug: The FBO used and sharing the COLORBUFFER RENDERBUFFER
memory resources with CAEAGLLayer to be displayed in the UIView
seemingly cannot handle GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT24
or GL_DEPTH_COMPONENT32 depth buffer - none at all (Device + Simulation).
Therefor the default demo GLEventListener chosen here
don't require a depth buffer ;-)
This issue can hopefully be mitigated with other means
than using a flat FBO sink similar to FBO multisampling.
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