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* Merge pull request #41 from krisher/masterSven Gothel2012-01-091-0/+652
|\ | | | | More complete implementation of SWT GLCanvas
| * Hopefully fixed use of GLCapabilitiesChooser (I didn't realize that this was ↵Dan Krisher2011-11-141-24/+3
| | | | | | | | already handled via the proxy surface factory). Needs testing
| * [WIP] Added an SWT based GLCanvas implementation nearly identical to the AWT ↵Dan Krisher2011-11-141-0/+673
| | | | | | | | version. Modified build to produce a jogl.swt.jar, and include this in jogl.all.jar. Presently there is no unit test (just a 'main' in the jogamp.opengl.swt.GLCanvas), and this does not support correct selection of GLCapabilities (FIXME and TODO tags in the source state why).
* | Fix bug 548 and bug 533 - OSX [10.6] NVidia driver may require glFinish() ↵Sven Gothel2012-01-091-0/+2
| | | | | | | | before ctx release.
* | Dispatch the '5' GDI/WGL functions and allow using their 'wgl' variants. GDI ↵Sven Gothel2012-01-097-21/+115
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | is the default. The following 5 GDI functions have their 'wgl' counterparts which 'shall' being used in case the OpenGL DLL is being loaded dynamically. (So reads the documentation & FAQ). This seems to be required only in case the std. opengl32.dll is not being used. This use case is called GDI/ICD. If using a non std. OpenGL DLL, is called MCD. We dynamically load the OpenGL DLL and fetch the address pointer. Since we generally use the std. opengl32.dll, our use of the GDI callbacks seems to be legal. However, to test using the 'wgl' method WGLUtil is introduced. You can test using the 'wgl' variants by defining the property: 'jogl.windows.useWGLVersionOf5WGLGDIFuncSet'. In case you have troubles, ie crashes within pixelformat setup etc, it might be interesting if this may impact your behavior. - ChoosePixelFormat(long, PIXELFORMATDESCRIPTOR) - DescribePixelFormat(long, int, int, PIXELFORMATDESCRIPTOR) - GetPixelFormat(long) - SetPixelFormat(long, int, PIXELFORMATDESCRIPTOR) - SwapBuffers(long)
* | GLContext/NativeSurface Impl's toString(): Add lock.toString()Sven Gothel2012-01-081-5/+0
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* | GLContext*/GLDrawableHelper: Fix consistency of recursive ↵Sven Gothel2012-01-085-174/+318
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | makeCurrent()/release()/destroy() calls ; Enable context switch tracing ; GLCanvas: proper AbstractGraphicsDevice destruction GLContext*/GLDrawableHelper: Fix consistency of recursive makeCurrent()/release()/destroy() calls Utilizing volatile and lock.tryLock(0) for lockConsiderFailFast(), reducing redundant synchronization and using RecursiveLock implicit sync. GLContext 'early-out' is the case where the thread already holds the context, ie. context is already current and the native makeCurrent is skipped. makeCurrent()'s 'early-out' w/o incr. the recursive lock of GLContext and it's NativeSurface could lead to asymetry in lock/unlock count with release()/destroy() calls. The 1st release actually released the native ctx already. Properly utilize recursive lock/unlock in all cases and impl. 'early-out' after locking. Following the above in GLDrawableHelper.invokeGL()'s 'early-out' case as well, ie calling makeCurrent()/release() symmetrical. Introduce GLDrawableHelper.disposeGL(), which issues dispose on all GLEventListeners within a current context and issued context destruction directly. This simplifies GLAutodrawable's destroy/dispose calls and ensures that the above sequence of events happens atomically (lock is being hold until destruction). Enable context switch tracing If property 'jogl.debug.GLContext.TraceSwitch' is defined, trace context switch. GLCanvas: proper AbstractGraphicsDevice destruction
* | GLJPanel: Fix dispose of backend (J2DOGL thread, no double dispose)..,Sven Gothel2011-12-223-34/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GLJPanel: - fix dispose of backend - proper J2DOGL thread - no double dispose - remove VERBOSE - no dispose regenerate flag - add @Overrride - more safe createContext(..) impl - setSynchronized(true); for all backends - ensure AbstractGraphicsDevice close() is being called GLDrawableHelper: - Clarify w/ isDisposeAction = null==initAction GLPbufferImpl: - ensure AbstractGraphicsDevice close() is being called Java2D: - remove VERBOSE -
* | Fix regression of commit 47dc069104723f3d2e8d9ebdd700182e067163d0: Lock ↵Sven Gothel2011-12-181-131/+140
| | | | | | | | shared surface before using it's HDC for pbuffer creation
* | MacOSXCGLContext Offscreen Layer: Throw exception in case drawable is not ↵Sven Gothel2011-12-171-2/+5
| | | | | | | | realized or texture size is invalid.
* | GLDrawableFactory*.createOffscreenDrawable(): No implicit setRealized(true) ↵Sven Gothel2011-12-1710-41/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | @ creation GLDrawableFactory*.createOffscreenDrawable(): No implicit setRealized(true) @ creation, following deferred creation like onscreen drawables. This allows using offscreen drawables in classes like GLCanvas, where realization is deferred due to pending valid size. Only createGLPBuffer() realizes the offscreen pbuffer drawable immediatly to reduce the impact on user-code. GLDrawableFactoryImpl.createGLDrawable(): - Simplify OffscreenLayerSurface validation and check it first regardless of the chosenCaps to get a chance to use pbuffer.
* | GLDebugMessageHandler: Move Windows 32bit exclusion to init() block ↵Sven Gothel2011-12-131-13/+12
| | | | | | | | signaling no extension is available.
* | GLDebugMessageHandler: Disable Windows 32bit due to 32bit on 64bit ↵Sven Gothel2011-12-131-5/+14
| | | | | | | | JVM/OpenGL-Driver issues
* | MacOSXCGLContext.isGLProfileSupported(): No GL3* on pre lion - early outSven Gothel2011-12-131-0/+5
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* | setGLFunctionAvailability(..): Reduce the calls to resetProcAddressTable() ↵Sven Gothel2011-12-139-43/+69
| | | | | | | | | | | | | | | | | | | | | | 12 -> 7 in initialization. Reducing the calls to resetProcAddressTable() 12 -> 7 in initialization, saves: Linux/AMD: 600ms -> 300ms Linux/NV: 161ms -> 112ms OSX 10.7/NV: 522ms -> 397ms Still some freezes on OSX 10.6.8/NV .. further analysis is going on.
* | GLDrawableHelper.reshape(): check whether to call GLEventListener's init() ↵Sven Gothel2011-12-111-3/+8
| | | | | | | | hook or not
* | Fix concurrency bug of GLProfile initialization ; Fix SharedResourceRunner ↵Sven Gothel2011-12-117-67/+134
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'dead' thread (Applets) GLDrawableFactory: - clarify: public getWasSharedContextCreated(..) -> protected createSharedResource(..) - add: getSharesResourceThread() GLProfile: - proper locking of initSingletion(..) path: - Use RecursiveThreadGroupLock and add/remove GLDrawableFactory's sharesResourceThread while creating it's the sharedResource. This simplifies and fixes GLProfile's locking code. - Fix and simplify initSingleton(boolean) API doc - mark it deprecated. - Add initSingleton() for controlled initialization only, pairing w/ shutdown(..) Remove initSingleton(boolean) calls in code and test! +++ Fix SharedResourceRunner 'dead' thread (Applets) In Applets, stopping an Applet makes the browser Java plugin interrupting and killing all related threads, including our SharedResourceRunner thread. - Validate whether the shared resource thread is alive - Catch interruption in shared resource thread and assume it's a kill signal - releaseSharedResource: clear devicesTried set
* | New GLProfile.ShutdownType: SHARED_ONLY / COMPLETE - Enhance/Fix Lifecycle ↵Sven Gothel2011-12-015-82/+135
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Management - Leave Platform, .. TempJarCache untouched. - GLDrawableFactoryImpl*: Leave DynamicLibraryBundle(lib-binding) untouched, for NativeLibrary, JNILibLoaderBase (JNI libs), .. consistency. - SHARED_ONLY: shutdown shared GLDrawableFactoryImpl* resources and NativeWindowFactory - COMPLETE: additionally shutdown GLContext* Clear all cached GL/GLX proc-address and device/context mappings. - Use new "GLProfile.shutdown(GLProfile.ShutdownType.SHARED_ONLY)" in Applets - X11GLXDrawableFactory Shutdown: Uncomment close/destroy of shared resources. - JAWTWindow.destroy(): Close the delegated device. In case it's X11 this closes the exclusive opened X11 Display.
* | GLContext fix shutdown(): Clear proc address tables and extension cache ↵Sven Gothel2011-12-011-2/+6
| | | | | | | | (GLContextImpl)
* | Minor edits.Sven Gothel2011-12-014-16/+1
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* | GLDrawableFactory: Implementations lifecycle is handled via ↵Sven Gothel2011-12-014-116/+168
| | | | | | | | constructor/destroy()
* | Move manual GDI utils to GDIUtil ; Minor cleanup.Sven Gothel2011-12-012-2/+5
| | | | | | | | | | | | RegisteredClassFactory: Reference the factories itself instead of the RegisteredClass. This enables the shutdown hook to clear the factories state, which is required for proper recreation.
* | More Robust GLProfile Initialization ; Add NativeWindowFactory ShutdownSven Gothel2011-11-306-18/+51
| | | | | | | | | | | | | | | | | | | | | | | | More Robust GLProfile Initialization - Catch GLException in GLDrawableFactory getWasSharedContextCreated(device) impl., which may fail (See comment on Firefox/Chorme EGL deployed library for Windows). - If getWasSharedContextCreated(devide) fails, set respective factory availability to false, ie. hasDesktopGLFactory, hasEGLFactory, .. Add NativeWindowFactory Shutdown - Currenly a dummy entry, may evolve. X11Util shutdown is issued by respective GLDrawableFactory
* | GLContextImpl*: createImpl() / makeCurrentImpl() refinement / robostnessSven Gothel2011-11-2914-49/+105
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | createImpl(): If successful must leave context current. makeCurrentImpl(): Is only called if context is not just created, hence the boolean parameter 'boolean newCreatedContext' is removed. This clearifies and actually cleans up the native makeContextCurrent/releaseContext call pairs. MacOSXCGLContext: CGL and NS impl. of native makeContextCurrent/releaseContext uses CGL locking to provide a thread safety. This is recommended in OS X OpenGL documentation on [shared context] multithreaded use cases. Post creation code, as seen in some pbuffer cases is moved to overriden createImpl() methods.
* | Fix Bug 527: Creating a context w/ shared context, while the latter is in ↵Sven Gothel2011-11-289-55/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | use (threading) Bug 527 describes the situation where wglShareLists() fails (throws exception) while the shared context is in use by another thread (some Animator). It was reported by Jerome Jouvie. The exception happens not everytime, but at least around 20% on manual tests I have performed on the Windows platform. The context in question are all JOGL's GL2, which natively where bound to an OpenGL 3.0 profile. The WGL_ARB_create_context spec says http://www.opengl.org/registry/specs/ARB/wgl_create_context.txt: +++ Future versions of OpenGL may only support being added to a share group at context creation time. Specifying such a version of a context as either the <hglrc1> or <hglrc2> arguments to wglShareLists will fail. wglShareLists will return FALSE, and GetLastError will return ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB. +++ Hence the 1st patch was to remove 'wglShareLists()' usage in case we use the new WGL_ARB_create_context context creation method. Even though this is a desired change, and works in general, it didn't fix the issue. It seems that the shared context, which is passed @ new context creation, cannot be used while it is in use itself in another thread. This conclusion leads to the actual fix, ie. locking the shared context while creating the new context which shares it. Manual tests using this patch could not reproduce this issue (40 attempts). Test: TestSharedContextListNEWT2
* | X11Util: Remove wrapped/locked X11Lib methodsSven Gothel2011-11-266-20/+20
| | | | | | | | | | We shall lock a level above due to differentiation of XLockDisplay/RecursiveLock using X11/AWT ToolkitLock.
* | SharedResourceRunner: Use generics ; X11GLXDrawableFactory.SharedRunnable ↵Sven Gothel2011-11-263-17/+17
| | | | | | | | shutdown: don't attempt to close Display device.
* | NEWT/GLContextImpl: Refine API doc, NEWT: Display name -> connection nameSven Gothel2011-11-261-1/+4
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* | GLX Information usage cleanupSven Gothel2011-11-257-190/+249
| | | | | | | | | | | | | | - GLXUtil: Distinguish between client and server GLX information, cache client information. - GLXDrawableFactory: Utilize GLXUtil client data, as well as cache (SharedResource) GLX server data, avoiding 'uncontrolled' GLX queries, ie. w/o locking. - isMultisampleAvailable = isClientMultisampleAvailable && isServerMultisampleAvailable
* | NativeWindow X11GraphicsDevice: Pass 'owner' for close-display operation @ ↵Sven Gothel2011-11-252-2/+2
| | | | | | | | constructor
* | Nativewindow AWT Device/Screen: Cleanup construction [default, specific]; ↵Sven Gothel2011-11-252-2/+2
| | | | | | | | AWTDevice: Remove subtype
* | JOGL/NativeWindow: Push down JOGL's X11AWTGLXGraphicsConfigurationFactory to ↵Sven Gothel2011-11-252-195/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | NativeWindow X11AWTGraphicsConfigurationFactory X11AWTGraphicsConfigurationFactory properly construct a AWTGraphicsConfiguration encapsulated a native X11GraphicsConfiguration, now available for non JOGL modules, ie NEWT. AWTGraphicsConfiguration's create() utilizes the X11AWTGraphicsConfigurationFactory via the generic factory mechanism and hence allows encapsulating a native [X11]GraphicsConfiguration. NewtCanvasAWT creates/destroys the JAWT NativeWindow on addNotify/removeNotify (reparentWindow) again. Hence the JAWTWindow is instantiated completly only, instead of utilizing updateConfiguration(..), which simplifies the mechanism.
* | GraphicsConfigurationFactory: Kick off 'registerFactory' via static method ↵Sven Gothel2011-11-2311-25/+39
| | | | | | | | | | | | instead of constructor for clarity. - prepare for 'jogamp.nativewindow.x11.awt.X11AWTGraphicsConfigurationFactory'
* | NativeSurface's getGraphicsConfiguration() returns the native (delegated) ↵Sven Gothel2011-11-2327-44/+44
| | | | | | | | | | | | | | | | | | | | | | AbstractGraphicsConfiguration, if delegation is used. This change restricts the usage of AbstractGraphicsConfiguration's getNativeGraphicsConfiguration() to NativeSurface implementations and hence reduces complexity. NativeSurface implementations are adapted and access to it's AbstractGraphicsConfiguration is controlled via get/set method avoiding flawed usage (read/write), since read access shall return the delegated AbstractGraphicsConfiguration, if used.
* | X11GLXDrawableFactory.createOffscreenSurfaceImpl(): Create own screen/device ↵Sven Gothel2011-11-231-8/+14
| | | | | | | | | | | | | | instance pair Don't use the shared device due to locking issues on X11. Other platform impl. usually don't have native semantics on device/screen and may use it.
* | Fix GLDrawableFactory: Move 'GLContext getOrCreateSharedContext(..)' to non ↵Sven Gothel2011-11-211-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | public class GLDrawableFactoryImpl. Michael Weber's test case (commit e7388512b69979d00e5a213a1b166a1b1726ae0c) pointed me to the flaw in GLDrawableFactory which exposed a non-public method, ie. 'getOrCreateSharedContext()'. This lead to the assumption, that the 'shared' drawable/context of the factory is multi purpose and may be used for application context sharing - which is not the case. Changed Michael's test case to use a local shared pbuffer based drawable/context and made the method non-public, where it belongs.
* | WindowsWGLDrawableFactory createOffscreenDrawable() - Don't spin off ↵Sven Gothel2011-11-182-27/+17
| | | | | | | | creation on AWT thread (may deadlock)
* | OS X Layered View Part8: Generalize OffscreenLayerSurface ; Use local JAWT ↵Sven Gothel2011-11-125-116/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | instance ; Applet's on OS X are working Generalize OffscreenLayerSurface - Using new OffscreenLayerSurface allows using this functionality in a clean manner, ie. no 'dirty' usage of MacOSXJAWTWindow in a JOGL GL class. - 'Promoting' OffscreenLayerSurface functionality to JAWTWindow and it's handling to GLDrawableFactoryImpl::createGLDrawable(). - Move MacOSXCGLDrawableFactory's "MacOSXJAWTWindow getLayeredSurfaceHost(NativeSurface surface)" to NativeWindowFactory "OffscreenLayerSurface getOffscreenLayerSurface(NativeSurface surface, boolean ifEnabled)" Use local JAWT instance - Only w/ a local JAWT instance per JAWTWindow it is possible to switch between offscreen-layer and onscreen. We also have to determing offscreen-layer lazy at surface lock, since only at that time we have knowledge whether it's an Applet or not. +++ ContextUpdater: Use local pthread mutex, add DEBUG output JAWTWindow/NewtCanvasAWT: Adding methods to request offscreen-layer-surface (if supported), besides 'if applet' this may trigger the new functionality. +++ Applet's on OS X are working: - OS X 10.6.4 - Safari: - Hangs for a while at start .. whole screen freezes .. approx. 10s - Sometimes crashes when Applet stops - after all our resources are released! - Keyboard input isn't assigned sometimes. - Otherwise .. works well, incl. offscreen/onscreen parenting - Firefox 8.0: - Hangs for a while at start .. whole screen freezes .. approx. 10s - Sometimes crashes when Applet stops - after all our resources are released! - Keyboard input is never assigned. - Otherwise .. works well, incl. offscreen/onscreen parenting - OS X 10.7 - Safari: - Sometimes crashes when Applet stops - after all our resources are released! - Keyboard input isn't assigned sometimes. - Otherwise .. works well, incl. offscreen/onscreen parenting - Firefox 8.0: - Sometimes crashes when Applet stops - after all our resources are released! - Keyboard input is never assigned. - Otherwise .. works well, incl. offscreen/onscreen parenting
* | OSX: Fix context update callSven Gothel2011-11-121-4/+14
| | | | | | | | | | It turns our that the native ContextUpdater does not work reliable in all cases, hence we need to verify if the drawable size has changed as well.
* | Nativewindow: Introduce API private MutableGraphicsConfigurationSven Gothel2011-11-124-15/+24
| | | | | | | | | | MutableGraphicsConfiguration allows derivations to set the chosen capabilities, hence it is a non public API from which eg. JOGL GraphicsConfiguration derive.
* | Revert introduction of NativeSurfaceHolder and NativeWindowHolder interfacesSven Gothel2011-11-111-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | I was too fast introducing these accessors, since they are currently not needed and hence redundant. Complete - 7bc4c218b47033cb66f4eb5e707a86a0a4e60cff Partial in regards to the holder interfaces only: - d8fa00d35a49f4faf5f04aeb7e2bba4e972965f5 - f51e3dad6c4bd1f6d0001cecf6a0f692400ed602 - 46542168d64b37f544f61802693f15b59b224e4e
* | Minor edits: Remove dead code / fix dbg printfSven Gothel2011-11-111-52/+0
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* | OS X Layered View: Part6 (native) Using a root CALayer where we ↵Sven Gothel2011-11-101-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attach/detach our GL one - it seems to be more stable, having one root CALayer attached to the JAWT_SurfaceView forever - tackles crach at GL layer destruction - proper release of all GL layer resources - now final [gl-layer dealloc] happens at very destruction of JAWT object, even though it was removed from root-layer earlier (and all other references) - see comment in MacOSXWindowSystemInterface-pbuffer.m :: createNSOpenGLLayer(..) - at least no more crash .. and resource release ASAP, but the GL-layer itself (see above)
* | MacOSXPbufferCGLDrawable: verbose debug messagesSven Gothel2011-11-101-1/+2
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* | NativeWindow: SurfaceChangeable::setSize() -> surfaceSizeChanged() to avoid ↵Sven Gothel2011-11-099-9/+9
| | | | | | | | | | | | | | | | | | | | | | | | conflicts with setSize() This fixes the NEWT OffscreenWindow conflict w/ setSize() which represents the action of changing the window's size. SurfaceChangeable's surfaceSizeChanged() merily notifies the actual size. JAWTWindow: Remove setSize() since it propagates the surface size upstream only. MacOSXJAWTWindow is not SurfaceChangeable complete (no surfaceSizeChanged).
* | Cleanup offscreen/pbuffer drawables - minor editsSven Gothel2011-11-096-46/+28
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* | minor editSven Gothel2011-11-091-1/+1
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* | OS X Layered View: Part5 NEWT/AWT Interaction ; Fix NSOpenGLLayer pos ; CleanupSven Gothel2011-11-093-9/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Better JAWT* name for offscreen layer surface: - MacOSXCGLDrawableFactory, JAWTUtil, JAWTWindow, MacOSXJAWTWindow - FIXME: Need to get rid of the cached JAWT instance, in case we like to have dual usage of offscreenLayerSurface and onscreen. This would be done implicit by using NEWT .. hence low prio. AWTGraphicsConfiguration: - Fix create(): Use capsRequested for AWT aligned caps if capsChosen is null. (was capsChosen .. which is null) - Add updateGraphicsConfiguration() which allows to update the AWTGraphicsConfiguration. NewtFactoryAWT: - Add updateGraphicsConfiguration() .. entrypoint for AWTGraphicsConfiguration.updateGraphicsConfiguration() NSOpenGLLayer Impl: - For 'some reason' the layer's position is initially negative, fix it @ 1st 'draw' - Re-add CVDisplayLink OpenGL setting .. for what it's worth .. I don't know JAWTWindow: - Remove test setting: Only enable offscreenLayerSurface for applets if avail. (New unit test enables it seperatly) NewtCanvasAWT: - If NEWT child is offscreen, attach AWTMouseAdapter and AWTKeyAdapter to route these AWT input events to NEWT. - Don't loose-focus if NEWT child is offscreen. - Impl. NativeSurfaceHolder, NativeWindowHolder - NativeWindow is created at construction and it's GraphicsConfiguration updated at addNotify(..). - At addNotify/reparent: try harder to determine proper NEWT child size: - use preferred size if set - use minimum size if set - subtract insets from container size OffscreenWindow/WindowImpl: - Allow setSize() .. currently NOP for offscreen. - WindowImpl: Commented out recreate case for offscreen-setSize .. TEST: com.jogamp.opengl.test.junit.newt.parenting.TestParentingOffscreenLayer01AWT Passed tests: - GLCanvas - NewtCanvasAWT/OffscreenWindow
* | Minor edits: remove redundanciesSven Gothel2011-11-091-2/+2
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* | OS X Layered View: Part2 Java/Native MacOSXCGLContext / MacOSXPbufferCGLContextSven Gothel2011-11-092-41/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Undo 368cbf4462d7f3635c1ef4497424c360b5ccc203: - "use SurfaceUpdateListener() to notify layer", simply use MacOSXCGLContext's swap impl. MacOSXCGLContext: - NSOpenGLImpl.create(): - issues createNSOpenGLLayer() using tex-size (maybe POT) as args - attaches the NSOpenGLLayer to the JAWT layered surface host - NSOpenGLImpl.setSwapInterval() propagates interval to our NSOpenGLLayer impl. - NSOpenGLImpl.swapBuffer() (layer case): - waits for v-sync if enabled (v-sync), or until native 'draw' is finished (tearing) using our pthread/ NSOpenGLLayer synchronization. The latter uses CADisplayLink or CVDisplayLinkRef for v-sync synchronization. - flushes our local ctx - triggers our NSOpenGLLayer to 'draw' - MacOSXPbufferCGLContext create() sets the texture size independently of pbuffer size (POT/NPOT)
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