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invPMv null; PMVMatrix: Make Mvi, Mvit optional at ctor, add user PMv and PMvi - used at gluUnProject() ..
Matrix4f.mapWin*() variants w/ invPMv don't need temp matrices,
they also shall handle null invPMv -> return false to streamline usage w/ PMVMatrix if inversion failed.
PMVMatrix adds user space common premultiplies Pmv and Pmvi on demand like Frustum.
These are commonly required for e.g. gluUnProject(..)/mapWinToObj(..)
and might benefit from caching if stack is maintained and no modification occured.
PMVMatrix now has the shader related Mvi and Mvit optional at construction(!), so its backing buffers.
This reduces footprint for other use cases.
The 2nd temp matrix is also on-demand, to reduce footprint for certain use cases.
Removed public access to temporary storage.
+++
While these additional matrices are on demand and/or at request @ ctor,
general memory footprint is reduced per default and hence deemed acceptable
while still having PMVMatrix acting as a core flexible matrix provider.
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for easy deployment and test w/ junit/ant
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used for getElemCount() instead of 0==position, ... (API change)
API Change
- sealed() moved up from GLArrayDataEditable -> GLArrayData
- GLArrayDataWrapper is sealed by default
- getSizeInBytes() -> getByteCount()
- Semantics of getElemCount() and getByteCount()
- Correctly use sealed() to switch from position to limit - instead of 0==position
Aligned method names:
- getElemCount()
- elemPosition()
- remainingElems()
- getElemCapacity()
to corresponding byte counts:
- getByteCount()
- bytePosition()
- remainingBytes()
- getByteCapacity()
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finalize immutables, add growthFactor (default golden ratio 1.618), add getCapacity*() and printStats(..)
The growthFactor becomes essential for better growth behavior and can be set via setGrowthFactor().
The other changes were merely to clean up the GLArrayData interface and its 4 implementations.
Not great to change its API, but one name was misleading ['getComponentCount' -> 'getCompsPerEleme'],
so overall .. readability is enhanced.
Motivation for this change was the performance analysis and improvement of our Graph Curve Renderer.
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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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