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* TestGearsES2NEWT/TestGearsES2NewtCanvasAWT: Add -noanim option to manually ↵Sven Gothel2013-03-203-31/+64
| | | | validate Bug 649
* PNGImage: Cleanup code and reuse scanlineRGBA buffer in indexed mode. Add ↵Sven Gothel2013-03-201-29/+36
| | | | DEBUG property 'jogl.debug.PNGImage'
* TestPNGTextureFromFileNEWT: Use new PNG test file locations, add RGBA tests ↵Sven Gothel2013-03-202-83/+89
| | | | and use alpha in drawable
* Newt PNG test file locationsSven Gothel2013-03-202-2/+2
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* Rename PNG test files and add RGBA variations (To be used by ↵Sven Gothel2013-03-209-0/+0
| | | | TestPNGTextureFromFileNEWT, etc)
* Handles indexed PNGsJulien Gouesse2013-03-204-21/+117
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* OSX/NEWT: NSWindow/NSView Ops on main-thread w/o blocking - Part2Sven Gothel2013-03-192-62/+117
| | | | | | | | | Continues commit 81cbcdc8469143587b2044661dd613c798ae02ba Perform on main-thread invocation from Java, allowing to issue visibleChanged(..) after creation/visible calls. This fixes the 'Visibility not reached ..' regressions.
* MacOSXCGLContext: Remove Debug outputSven Gothel2013-03-191-1/+0
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* GLJPanel: No need to utilize AWT Component's default ImageObserver code - ↵Sven Gothel2013-03-191-1/+1
| | | | pixel data is ready when invoked.
* OSX/NEWT: Following CALayer streaming design, i.e. issue NSWindow/NSView Ops ↵Sven Gothel2013-03-197-233/+376
| | | | | | | | | | | | | | | | | | | | | on main-thread w/o blocking; NEWT/WindowImpl: Volatile multithreaded mutable values Similar to commits: 28c6472335b924080d638b33a28f8f4eedb459b1 f354fb204d8973453c538dda78a2c82c87be61dc main-thread operations cannot block main-thread. Luckily we are able to create the NSWindow and NSView instance uninitialized (deferred) on the current thread, while issuing their initialization on the main-thread w/o blocking. Further more a size glitch is fixed, which didn't take the title bar into account. +++ NEWT/WindowImpl: Volatile multithreaded mutable values Since position, size and other attributes might get changes off-thread, these fields needs to be volatile.
* OSX/CALayer: OSX/CALayer Threading Part3 - Run CALayer ops in a streaming ↵Sven Gothel2013-03-1914-259/+439
| | | | | | | | | | | | | | | | | | | | | | | | | | | design on main-thread w/o [infinitive] blocking History: Part1 commit 896e8b021b39e9415040a57a1d540d7d24b02db1 (Run CALayer Ops on current thread to avoid blocking) Part2 commit 28c6472335b924080d638b33a28f8f4eedb459b1 (Run CALayer Ops on main-thread w/o blocking) Dependency: GlueGen commit 4becdfa125b07ff969d6540e1112735b53cd15eb (Fix RecursiveLockImpl* Timeout corner case) Part2 misses essential locking of the OpenGL context (and it's surface upfront) while creating the NSOpenGLLayer instance. The latter instantiates a OpenGL context shared w/ JOGL's, hence it cannot be locked. Encapsulating NSOpenGLLayer creation/attachment and it's detachment/release in sub-classes AttachNSOpenGLLayer and DetachNSOpenGLLayer, where instances will be streamed on main-thread. Both tasks are triggered at associateDrawable(boolean bound). The mentioned GL context locking requires disturbs the 'streaming' design considerably in AttachNSOpenGLLayer. It is solved by attempt to acquire the recursive lock of the surface and the context via 'tryLock(maxwait)' w/ screen-vSync-period/2. If the locks could not be acquired completly, the AttachNSOpenGLLayer instance will be re-queued to the main-thread for later execution. Before DetachNSOpenGLLayer is being streamed, it is validated whether AttachNSOpenGLLayer did run. A recursive situation does happen w/ resizing an offscreen pbuffer drawable! Hence extra care is being taken.
* MyNSOpenGLContext::dealloc: Avoid 'invalid context'Sven Gothel2013-03-192-7/+29
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* OSX CGL: Don't issue [NSOpenGLContext clearDrawable] for [NSOpenGLContext ↵Sven Gothel2013-03-182-3/+11
| | | | setView: view] which breaks pbuffer; Add [NSOpenGLContext clearDrawable].
* NativeWindow OSXUtil RunOnMainThread: Use daemon attachment and do not ↵Sven Gothel2013-03-184-27/+53
| | | | detach; Add RunLater0(..)
* Adapt to GlueGen commit b1eb7ca6b9d7dec7ff62c1f1e8ef0a0545724d2f: Function- ↵Sven Gothel2013-03-186-8/+10
| | | | RunnableTask adds PrintStream 'exceptionOut' argument in ctor.
* Remodel OSX/CALayer Threading (commit ↵Sven Gothel2013-03-1515-249/+358
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 896e8b021b39e9415040a57a1d540d7d24b02db1): Run on main-thread w/o blocking ; Misc Changes Commit 896e8b021b39e9415040a57a1d540d7d24b02db1 moved all native CALayer calls to the current thread to avoid deadlocks. Even though this seemed to be fine at least resource GC (release/dealloc calls) were issued very late in time, probably due to multithreading synchronization of JAWT and/or OSX API. Example: Our 'TestAddRemove01GLCanvasSwingAWT' test didn't freed CALayer resources incl. GL ctx when destroying the objects (AWT Frame, GLCanvas, ..), leading to resource starvation .. eventually. Remedy is a compromise of behavior before commit 896e8b021b39e9415040a57a1d540d7d24b02db1 and that commit, i.e. to run CALayer lifecycle methods on main-thread, but do not block! The careful part within MacOSXCGLContext.associateDrawable(..) performs the following block on main-thread: - lock the context - create NSOpenGLLayer (incl. it's own shared GL context and the DisplayLink) - attach NSOpenGLLayer to root CALayer - unlock the context Due to the GL ctx locking, this async offthread operation is safe within our course of operations. Details: - NSOpenGLContext - Context and CVDisplayLink creation at init - Call [ctx update] if texture/frame size changed - 'waitUntilRenderSignal' uses default TO value if given TO is 0 to avoid deadlocks +++ Misc Changes: - Fix object type detection: isMemberOfClass -> isKindOfClass - OSXUtil_isNSView0 OSXUtil_isNSWindow0, CGL_isNSOpenGLPixelBuffer - MacOSXCGLDrawable/MacOSXPbufferCGLDrawable: remove getNSViewHandle() method. MacOSXCGLContext uses common code to detect nature of the drawable handle. - MacOSXCGLContext/CALayer: Use safe screenVSyncTimeout values, never 0 to avoid deadlock! - JAWTWindow.invalidate: Call detachSurfaceLayer() if not done yet
* Fix NEWT WindowImpl reparent-recreate w/ GLEventListenerState: Bug ↵Sven Gothel2013-03-143-17/+21
| | | | | | | | | introduced w/ commit e2506d7663b752f00f0a98f793ebad52e65bd1e3 In case a reparent action takes place w/ recreate, only preserve the GLEventListenerState if the window is valid and will become visible again (wasVisible). Also add proper DEBUG log prefix to GLEventListenerState.
* OSX/CALayer: Simplify FixCALayerLayout()/layoutSurfaceLayer() call, no more ↵Sven Gothel2013-03-147-94/+46
| | | | | | | | | | | | need for explicit call - OffscreenLayerSurface.layoutSurfaceLayer() removed, no more required - JAWTWindow adds a ComponentListener, which issues FixCALayerLayout() at resized, moved and shown. - MyNSOpenGLLayer no more requires fix*Size() methods - MyNSOpenGLLayer::setDedicatedSize() need no explicit CATransaction, performed by caller.
* OSX/CALayer: Revise CALayer 'RunOnMainThread' utilization, avoiding deadlocksSven Gothel2013-03-148-123/+102
| | | | | | | | | | | | | | | | | | | | | | RunOnMainThread(waitUntilDone:=true,..) can deadlock the main-thread if called from AWT-EDT, since the main-thread may call back to AWT-EDT while injecting a new main-thread task. This patch revises all RunOnMainThread CALayer usage, resulting in only one required left: - OSXUtil.AddCASublayer() w/ waitUntilDone:=false Hence the CALayer code has no more potential to deadlock main-thread/AWT-EDT. OSXUtil.AddCASublayer() must be performed on main-thread, otherwise the CALayer attachment will fail - no visible rendering result. +++ Note: A good trigger to test this deadlock is to magnify/zoom the OSX desktop (click background + ctrl-mouse_wheel) before running some unit tests. TestGLCanvasAWTActionDeadlock01AWT and TestAddRemove02GLWindowNewtCanvasAWT also have the potential to trigger the mentioned deadlock.
* Fix TestParenting01NEWT: Since recreational reparenting resets the ↵Sven Gothel2013-03-131-0/+6
| | | | fps-counter, wait for a few frames!
* GLEventListenerState: Moved to public package 'com.jogamp.opengl.util'Sven Gothel2013-03-138-13/+14
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* Minor Changes: EGLDisplayUtil: Add stack trace in DEBUG mode for opened ↵Sven Gothel2013-03-134-30/+85
| | | | DPYs; JAWTWindow: Add JAWT info in toString()
* Bug 665: Allow re-association of GLContext/GLEventListener to a GLDrawable ↵Sven Gothel2013-03-133-17/+89
| | | | | | | | | | | | | | | | | | | | (Part 5) - GLAutoDrawableBase: - Add 'setPreserveGLStateAtDestroy(..)' to preserve the GLEventListenerState at destroy() operation, and impl. details pullGLEventListenerState()/pushGLEventListenerState(). pullGLEventListenerState() is called automatic at destroyImplInLock(), where pushGLEventListenerState() has to be called after drawable realization instead of context creation. - Note/TODO: Method will become public in GLAutoDrawable in general! - NEWT/GLWindow: - Use GLEventListenerState preservation for reparenting case w/ destruction, i.e. keep GLContext/GLEventListener alive while reparenting in recreation mode. Scenario: NewtCanvasAWT Child <-> Top on OSX w/ CALayer
* Bug 665: Allow re-association of GLContext/GLEventListener to a GLDrawable ↵Sven Gothel2013-03-1326-442/+1113
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (Part 4) Note: - GLEventListenerState preservs the GLAutoDrawable state, i.e. GLContext, all GLEventListener and the GLAnimatorControl association. - GLEventListenerState may be utilized to move the state from a dying GLAutoDrawable, to be moved to a new created GLAutoDrawable at a later time. - GLEventListenerState will be made public soon. +++ Exessive unit tests cover the new feature, tested manually on GNU/Linux/X11 and OSX(Java6/Java7). +++ - GLAutoDrawable - Change 'setContext(..)' to allow the destruction of the unbound old context: 'setContext(GLContext newCtx)' -> 'setContext(GLContext newCtx, boolean destroyPrevCtx)' - Implementations: Properly implement 'setRealized(..)' incl. obeying threading constraints if exists. Method is being utilized at least for GLEventListenerState.moveTo(..) to unrealize and realize the drawable resources. +++ Fix propagation of GLContext/GLDrawable association change (Bottom -> Top): GLDrawableImpl.associateContext GLContextImpl.associateDrawable GLContextImpl.makeCurrent GLContextImpl.destroy GLContext.setGLDrawable ... GLDrawableHelper.switchContext GLAutoDrawble.setContext associateDrawable(..)/associateContext(..) unifies and hence: - GLContextImpl.contextRealized() (removed) - GLDrawableImpl.contextRealized() (removed) - GLDrawableImpl.associateContext(..) (merged) - MacOSXCGLContext.drawableChangedNotify(..) (removed) +++ - EGLUpstreamSurfaceHook.evalUpstreamSurface() validates the surface's device for reusage, which is valid in case of GLEventListenerState.moveTo(..) - MacOSXCGLContext.NSOpenGLImpl: pixelFormat replaces NSOpenGLLayerPfmt and has simplified lifecycle [create..destroy], while native NSOpenGLLayer code only holds the reference until released.
* MemoryObject: Use GlueGen's new HashUtilSven Gothel2013-03-131-44/+6
| | | | GlueGen commit 1a4514accc8f61ab7ff5fe8c82d22a5ef356c865
* *External*Context Impl: Remove unused 'lastContext' field, incl. their ↵Sven Gothel2013-03-134-85/+2
| | | | | | | makeCurrent() and release() override. Semantics of 'lastContext' are plain wrong, since release() override does claim the previous 'lastContext' is current at the end - however, it wasn't technically made current.
* Fix Mix2TexturesES2 unit tests: Use synchronized texID access and add ↵Sven Gothel2013-03-095-18/+90
| | | | | | glFinish() after demo -> FBO rendering on or off thread. Fixes shared GLContext OSX rendering.
* Fix buggy unit test for Bug 694: The unpack alignment has to be considered!Sven Gothel2013-03-092-18/+74
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* GLJPanel: Updating GLJPanel documention w/ current mode of operationSven Gothel2013-03-081-12/+14
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* GLJPanel: Add DEBUG_VIEWPORT flag, Add USE_GLSL_TEXTURE_RASTERIZER flag, ↵Sven Gothel2013-03-081-25/+42
| | | | | | | | | | | | | | DEBUG reshape trace. - Add DEBUG_VIEWPORT flag Via explicit property 'jogl.debug.GLJPanel.Viewport' (not via jogl.debug=all) Traces the current GL Viewport in OffscreenBackend.postGL(..) - Add USE_GLSL_TEXTURE_RASTERIZER flag Via explicit property 'jogl.gljpanel.noglsl'. Disables use of GLSL FBO flipping. DEBUG reshape trace
* TestBug694 -> TestBug694AWT so it properly gets picked up by the AWT unit ↵Sven Gothel2013-03-011-2/+2
| | | | test ant task.
* Merge remote-tracking branch 'gouessej/master'Sven Gothel2013-03-011-0/+128
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| * Adds a unit test for the bug 694 on gluScaleImageJulien Gouesse2013-02-241-0/+128
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* | Fix Bug 695: WGLExt.wglChoosePixelFormatARB causes buffer underflow due to a ↵Sven Gothel2013-02-282-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | higher reported number of configs than buffer size "I encountered a case on an NVidia Quadro 3500 fx where the call to WGLExt.wglChoosePixelFormatARB in WindowsWGLGraphicsConfiguration (currently line 355) returns 264 in numFormatsTmp despite 256 being passed in for the maximum number of formats. This results in a buffer underflow on line 368 since pformatsTmp only has 256 values and it's trying to copy 264 values." Fixed in WindowsWGLGraphicsConfiguration and WindowsPbufferWGLDrawable.
* | TestBug572AWT: Add test case w/ setting GLCanvas's size and frame.pack() on ↵Sven Gothel2013-02-282-62/+53
| | | | | | | | AWT-EDT and current thread.
* | All AWT Related Unit Tests: Call AWT 'frame.setVisible(..)' and ↵Sven Gothel2013-02-2838-212/+331
| | | | | | | | 'frame.pack()' on AWT-EDT - Use dedicated test TestBug572AWT for testing otherwise.
* | Adapt to GlueGen's relocation of AWTEDTExecutor - GlueGen commit ↵Sven Gothel2013-02-284-4/+5
| | | | | | | | 99a50b38f5650fedca0f207e03706ffa9492e50c
* | Fix AWT EDT Deadlock in AWTWindowClosingProtocol, regression of commit ↵Sven Gothel2013-02-281-9/+2
| | | | | | | | 808a9a27a8c1c9e0a6701a8dd81d51f8daa8129d
* | NEWT: Harmonize MouseEvent Pressure (API Change!)Sven Gothel2013-02-284-20/+86
| | | | | | | | | | | | | | | | | | | | | | Due to high fluctuation (lack of normalized) pressure values on Android devices, an option to query the normalized value and access to the current known maximum pressure is required. MouseEvent: - getMaxPressure() returning the [self calibrated] known maximum pressure - getPressure(..) -> getPressure(.., boolean normalize) (API Change!) - return normalize ? pressure/maxPressure : pressure;
* | NEWT WindowImpl: Cleanup redundancies in destroy() and ↵Sven Gothel2013-02-281-32/+37
| | | | | | | | | | | | | | | | | | | | | | windowDestroyNotify(boolean) - destroy() - screen is never null! - always attempt to removeScreenReference() - windowDestroyNotify(boolean) - NOP if !isNativeValid() to avoid DESTROY_* events
* | Fix Bug 677: NEWT/Android: Add support for Android's KeyEvent.KEYCODE_BACKSven Gothel2013-02-288-45/+105
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Original author: Eric Brayet <[email protected]> Revised by: Sven Gothel <[email protected]> I took the freedom to cleanup the three original patches from https://github.com/Pooouf/jogl.git branch 'bug_677': - 7449d4726633d524a3bb79efffd04cfd0ca25e58 (removed by followup patch!) - 68c739a4f03e46deecdbb71c125b4586aec08d63 (removes previous patch!) - c2813dfc325a1482d18b6fc304e4e483f5633964 Further more I was able to reduce the 'extra' code while utilizing - Window's isKeyboardVisible() and using keyboardVisibilityChanged(false) to update the hidden keyboard state. - Moving the key-handling code to the containing WindowDriver class avoiding passing a reference to the inner view. - Using AndroidNewtEventFactory for NEWT KeyEvent creation +++ - Handle KeyEvent.KEYCODE_BACK w/ jogamp.newt.driver.android.WindowDriver.MSurfaceView.onKeyPreIme(..): if( soft keyboard is up ) [1] Update keyboard visibility state and return NEWT KeyEvent.VK_KEYBOARD_INVISIBLE; else [2] call WindowImpl.windowDestroyNotify(true) [3] then cont. processing, i.e. return false; - Turns out respecting WindowClosingMode might be - too complicated - interfere w/ Android UI behavior - AndroidNewtEventFactory - createKeyEvent - static - adding boolean param 'inclSysKeys', if true, KEYCODE_BACK and KEYCODE_HOME are mapped - Unit tests: GearsES2 + MovieCubeActivity0 shows keyboard if pressure > 0.6f - pressure on Android shall be between [0..1], however we have to figure out badly calibrated touchpads/Android device where we could experience pressure > 2.0f ! - TODO: API documentation of pressure [0..1]
* | Fix merge conflict of erikbrayet/bug_668Sven Gothel2013-02-281-1/+1
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| * | Fix bug 668 : Android keyboard input was uppercaseEric Brayet2013-02-141-2/+2
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* | | Fix NEWT/AWT WindowClosing Unit Tests ; Review/Cleanup NEWT WindowClosing ↵Sven Gothel2013-02-2830-223/+539
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | mechanism Due to a NEWT WindowClosing event regression cause by NewtCanvasAWT changes a review of our WindowClosing event mechanism was required. Important cleanups are marked w/ '(*)' below. I would have preferred to change the 'WindowListener.windowDestroyNotify(WindowEvent)' method to pass a WindowCloseEvent object exposing more information like toolkit or programmatic destruction and passing whether a 'closing' or 'nop' action will be performed based on the WindowClosingMode. For now I postponed this idea .. since it would change the API again, but may reconsider it after merging the Android 'closing' patch. - InputEvent.consumedTag -> NEWTEvent.consumedTag - Window - (*) Promote setWindowDestroyNotifyAction(Runnable) to public, former WindowImpl.setHandleDestroyNotify(boolean). Using a Runnable action for WindowImpl.windowDestroyNotify(boolean) allows a setting defined alternative for destroy() and gets rid of [ab]using WindowListener.windowDestroyNotify(WindowEvent) for lifecycle actions. Used in: - GLWindow - GLAutoDrawableDelegate impl. - WindowImpl - Respect NEWTEvent.consumedTag for WindowEvents as well - (*) Impl. setHandleDestroyNotify(boolean) (see above) - (*) destroy() simply sends out pre- and post- destruction Window events, where windowDestroyNotify(boolean) sends out the pre-destruction event if NOP. - (*) windowDestroyNotify(boolean) is public now, allowing other impl. details to follow proper destruction using handleDestroyNotify Runnable (-> NewtCanvasAWT). - AWTWindowClosingProtocol: - addClosingListenerOneShot() -> addClosingListener() - calling addClosingListener() at addNotify() - calling removeClosingListener() at removeNotify() - AWTWindowClosingProtocol ctor taking NOP runnable, allowing to send WindowEvent.EVENT_WINDOW_DESTROY_NOTIFY at WindowClosingMode.DO_NOTHING_ON_CLOSE - add/remove listener on AWT-EDT - AWTWindowAdapter - Add 'removeWindowClosingFrom(..)', allowing to remove window closing event fwd. - Also fwd windowClosed in window closing fwd'ing. - NewtCanvasAWT - (*) Utilize AWTWindowClosingProtocol NOP runnable (see above) to fwd closing-NOP event to NEWT - (*) Unify remove/destroy code in destroyImpl(..) - !removeNotify -> destroy NEWT child programatic or as toolkit event - removeNotify || windowClosing -> destroy jawtWindow - (*) Remove AWTWindowAdapter/AWTParentWindowAdapter's windowClosingListener, since we utilize AWTWindowClosingProtocol - DisplayImpl - Adding 'final void dispatchMessage(final NEWTEvent event)' allowing to remove the NEWTEventTask wrapping for no reason in enqueueEvent(..) if on EDT and waiting.
* | NEWT/OSX Fix: Child positioning ; NewtCanvasAWT: Change reparent time and ↵Sven Gothel2013-02-229-210/+325
| | | | | | | | | | | | | | | | | | | | | | | | | | | | use actual component size while setting min/pref. size at setup - NEWT/OSX Fix: Child positioning - If !Offscreen and has-parent: Gather screen location by traversing through parent and set native position (was removed w/ commit 7d5c51b635e0795d9b170342bdebe8e7e0bbd01d since still buggy). - NewtCanvasAWT: Change reparent time and use actual component size while setting min/pref. size at setup - Analog to AWT GLCanvas - validates and reparents at reshape(..), paint(..) and update(..) - reshape(..) also trigers jawtWindow.layoutSurfaceLayer() -
* | Fix CALayer pos/size and animation.b01Sven Gothel2013-02-229-102/+219
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fix CALayer animation: - All CALayer animations are set to nil via overriding 'actionForKey' - Fix CALayer pos/size bug: - Fix root and sub CALayer position to 0/0 and size on the main-thread w/o blocking. - If the sub CALayer implements the Objective-C NativeWindow protocol NWDedicatedSize (e.g. JOGL's MyNSOpenGLLayer), the dedicated size is passed to the layer, which propagates it appropriately. - On OSX/Java7 our root CALayer's frame position and size gets corrupted by its NSView, hence we have created the NWDedicatedSize protocol.
* | TestNewtEventModifiers*: Robostness (uhh) Unify wait-clear result code - fix ↵Sven Gothel2013-02-213-62/+73
| | | | | | | | SWT event dispatching.
* | GLProfile: Adding convenient query for highest programmable core only GL profileSven Gothel2013-02-211-1/+36
| | | | | | | | | | | | | | | | | | | | | | As suggested @ http://forum.jogamp.org/How-to-force-core-profile-tp4028307.html However, one could always get a dedicated core profile via: - GLProfile.get(GLProfile.GLES2) - GLProfile.get(GLProfile.GL3) - GLProfile.get(GLProfile.GL4) .. etc
* | Bug 548 and Bug 679: Add 'glFlush()' requirement (OSX < 10.7.3 && NVIDIA ↵Sven Gothel2013-02-213-17/+54
| | | | | | | | GPU) to GLRendererQuirks and perform only if exists.
* | Relax GLContextImpl.setGLFunctionAvailability(..)'s Version Matching if ↵Sven Gothel2013-02-211-2/+2
| | | | | | | | | | | | | | | | testing major < 3 versions. (Bug 679) On OSX, we 'only' support the ctx ARB creation and hence have no !ARM fallback. If querying a version [2.0 .. 3.0] for GL2, it is acceptable if a valid OpenGL version is lower, e.g. 1.4.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 21:06:38 +0000