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* GLMediaPlayer: Add camera input / FFMPEG: Fix 'av_packet' leak and add ↵Sven Gothel2013-08-273-11/+184
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | missing symbol 'av_realloc'. - Add camera input - Use URI w/ scheme 'camera' to determine camera input is desired, use URI host as camera id. E.g. 'camera://0' for 1st camera. - AndroidGLMediaPlayerAPI14: Via 'Camera' - FFMPEG*: Via libavdevice, device name and input format - TODO: Add controls to manipulate camera if available - FFMPEG* - Add symbols - avcodec_register_all - av_realloc (was missing) - avdevice_register_all - Load libavdevice (opt) - Camera: - Use <ID> (windows) and /dev/video<ID> other OS - simply find the input format in native code - Support YUYV422 (used in video4linux2, etc.) - Stuff 2x 16bpp (YUYV) into one RGBA pixel! - Add texture format for 16bpp - Add texture lookup shader - Fix av_packet leak in readNextImpl(..) - Restore orig pointer and size values, we may have moved along within packet. Then call av_free_packet(). - Use null AudioSink if audio-id is NONE
* AndroidGLMediaPlayerAPI14: Fix implementation to coop w/ threaded decoder / ↵Sven Gothel2013-08-255-18/+6
| | | | | | | | | | | | | Add EOS detection, setAudioVolume(..) GLMediaPlayerImpl.initStreamGL(..): Only require a minimum texture count of 2, which is the bare minimum to allow our algorithm to work, i.e. having a 'lastFrame' and avail/playing ringbuffer have each one frame. Android's MediaPlayer API can only deal w/ one SurfaceTexture, hence we have to fake a second SurfaceTextureFrame w/ same content to allow our implementation to work w/ the threaded decoder (min 2 frames).
* GLMediaPlayer/AudioSink: Add set[Audio]Volume(float v)/get[Audio]Volume() ↵Sven Gothel2013-08-252-0/+18
| | | | allowing to change the audio volume.
* GLMediaPlayer Multithreaded Decoding: GLMediaPlayer* (Part-6) - DONESven Gothel2013-08-246-77/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Multithreaded decoding and API should be considered stable by now, minor changes may apply if Android/OMX impl. requires it. We still need to solve TODO's as listed below, copied from 474ce65081ecd452215bc07ab866666cb11ca8b1. +++ - *TextureFrame OO changes: - TextureFrame extends TimeFrameI - GLMediaPlayerImpl* - Adapt to Ringbuffer changes of GlueGen commit f9f881e59c78e3036cb3f956bc97cfc3197f620d - Fix impl. method's API doc - getNextTextureImpl(..) returns video PTS - Fix audio-only playback - frame dropping shall only happen if: - previous frame has not been dropped - frame is too later - one decoded frame is already available - Don't block for decoder anymore: - nextFrame = "videoFramesDecoded.getBlocking() -> videoFramesDecoded.get()"; No 'next decoded frame avail' only could mean: - slow decoding/hardware - slow transport hence we shall not block rendering. - Add DEBUG output if using last frame - Add integer property 'jogl.debug.GLMediaPlayer.StreamWorker.delay' in milliseconds to simulate slow decoding, i.e. delay is added in StreamWorker after decoding before pushing new frame to Ringbuffer. - FFMPEGMediaPlayer: - audioFrameLimitWithVideo 128 -> 64 - audioFrameLimitAudioOnly 128 -> 32 - uses AudioSink's 'enqueueData(int pts, ByteBuffer bytes, int byteCount)' - fixes for audio-only playback +++ Working Tests: MovieSimple and MovieCube TODO-1: Fix - Android - OMXGLMediaPlayer TODO-2: - Fix issue where async audio frames arrive much later than 1st video frame, i.e. around 300ms. - Default TextureCount .. maybe 3 ? - Adding Audio synchronization ? - Find 'truth' about correlation of audio and video PTS values, currently, we assume both to be unrelated ?
* GLMediaPlayer Multithreaded Decoding: GLMediaPlayer* (Part-5) - WIPSven Gothel2013-08-235-246/+436
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Update/fix GLMediaPlayer API doc - GLMediaEventListener: Add event bits for all state changes to be delivered via attributesChanged(..) - StreamWorker / Decoder Thread: - Use StreamWorker only ! - Handle exceptions on StreamWorker via StreamException - Handles stream initialization and decoding (-> initStream(..)) - Split initGLStream(..) -> initStream(..) + initGL(GL) - allow initStream(..)'s implementation being executed on StreamWorker - allow GL initialization to be 'postponed' when stream is read, i.e. non blocking stream initialization (UI .. etc) - Handle EOS via END_OF_STREAM_PTS -> pause/event - Video: Use lock-free LFRingbuffer, similar to ALAudioSink (commit f18a94b3defef16e98badd6d99f2422609aa56c5) +++ - FFMPEGDynamicLibraryBundleInfo - Add avcodec's: - avcodec_get_frame_defaults, avcodec_free_frame (54.28.0), avcodec_flush_buffers, - Add avutil's: - av_frame_unref (55.0.0) - Add avformat's: - avformat_seek_file (??) +++ - FFMPEGMediaPlayer Native: - add 'snoop' video frames for a/v frame count relation. disabled per default, since no more needed due to ALAudioSink's grow-buffer usage of LFRingbuffer. - use sp_avcodec_free_frame if available - 'useRefCountedFrames=1' for libav 55.0 to cache more than one audio frame, not used since ALAudioSink's OpenAL usage does not require it (copies data once). Note: the above snooped-video frame count is used here. - use only one cached audio-frame (-> see above, OpenAL copies data once), while reusing the NIO buffer! - Perform OpenGL sync (glFinish) in native code! - find proper PTS value, i.e. either frame's PTS or DTS, see 'PTSStats'. - FFMPEGMediaPlayer Java: - use private fields - simplified code due to above changes. +++ Working Tests: MovieSimple and MovieCube TODO-1: Fix - Android - OMXGLMediaPlayer TODO-2: - Fix issue where async audio frames arrive much later than 1st video frame, i.e. around 300ms. - Default TextureCount .. maybe 3 ? - Adding Audio synchronization ? - Find 'truth' about correlation of audio and video PTS values, currently, we assume both to be unrelated ?
* TextureSequence: Add END_OF_STREAM_PTS, remove 'blocking' from ↵Sven Gothel2013-08-232-2/+2
| | | | getNextTexture(..), may blocks .. or not, depending on implementation and state.
* GLMediaPlayer: Use URI instead of URL / Misc refinementsSven Gothel2013-08-175-55/+120
| | | | | | | | | | - GLMediaPlayer: Use URI instead of URL, allowing passing a non resolved location - Java's URL doesn't allow 'other' protocols, i.e. RTSP - GLMediaPlayer: Add Table of test streams and their location .. - FFMPEGMediaPlayer - Handle av_read_play/pause response on java side, ignore error - simply dump in DEBUG_NATIVE mode
* GLMediaPlayer Multithreaded Decoding: GLMediaPlayer* (Part-4) - WIPSven Gothel2013-08-162-16/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Use Platform.currentTimeMillis() for accurate timing! - GLMediaPlayer / GLMediaPlayerImpl - Add DEBUG_NATIVE property jogl.debug.GLMediaPlayer.Native for verbose impl. messages, i.e. ffmpeg/libav - Add 'synchronization' section in GLMediaPlayer API doc (WIP) - Use passive non-blocking video synchronization, i.e. repeat frames instead of 'sleep'. Thx to Xerxes's suggestion. - Add flushing of cached decoded frames, allowing to remove complicated 'videoSCR_reset_latch' - FramePusher (threaded decoding): - Always create a shared context! - Release context while pausing - Pre/post 'getNextTextureImpl()' actions only at makeCurrent/release. - newFrameAvailable(..) signal after decoded frame is enqueued - FFMPEGDynamicLibraryBundleInfo - Bind add. functions of libavcodec: + "av_init_packet", + "av_new_packet", + "av_destruct_packet", - Bind add. functions of libavformat: + "avformat_seek_file", + "av_read_play", + "av_read_pause", - DEBUG property := FFMPEGMediaPlayer.DEBUG || DynamicLibraryBundleInfo.DEBUG; - FFMPEGMediaPlayer - Use libavformat's 'av_read_play()' and 'av_read_pause()', which may get utilized for network streams, e.g. RTSP - getNextTextureImpl(..): - Fix retry loop - Use postNextTextureImpl/preNextTextureImpl if desired (PSM) - Native: - Use fixed my_av_q2i32(..) macro (again) - Use INVALID_PTS marker (synced w/ Java code) - DEBUG: Dump more detailed frame information - TODO: Consider passing frame_delay, especially for repeated frames! - Tests (MovieSimple, MovieCube): - Refine KeyEvents control for seek and speed. - TODO: - Proper audio clock calculation - difficult w/ OpenAL ! - Video / Audio sync: - seek ! - streams w/ very async A/V frames - Test Streams: - Five-minute-sync-test.mp4 - Audio-Video-Sync-Test-Calibration-23.98fps-24fps.mp4 - sound_in_sync_test.mp4 - big_buck_bunny_1080p_surround.avi
* Refine unit test Bug 817 c19f9916bc59765e5aaf307b8ecd5d25dfcad6b6 / Add ↵Sven Gothel2013-08-161-6/+24
| | | | pbuffer and fbo testing
* Provide unit test for Bug 817Sven Gothel2013-08-161-0/+109
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* GLMediaPlayer Multithreaded Decoding: GLMediaPlayer* (Part-3) - WIPSven Gothel2013-08-146-123/+295
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - GLMediaPlayer - Remove State.Stopped and method stop() - redundant, use pause() / destroy() - Add notion of stream IDs - Add API doc: State / Stream-ID incl. html-anchor - Expose video/audio PTS, .. - Expose optional AudioSink - Min multithreaded textureCount is 4 (EGL* and FFMPEG*) - GLMediaPlayerImpl - Move AudioSink rel. impl. to this class, allowing a tight video implementation reusing logic. - Remove 'synchronized' methods, synchronize on State where applicable - implement new methods (see above) - playSpeed is handled partially in AudioSink. If it exeeds AudioSink's capabilities, drop audio and rely solely on video sync. - video sync (WIP) - video pts delay based on geometric weight - reset video SCR if 'out of range', resync w/ PTS - - FramePusher - allow interruption when pausing/stopping, while waiting for next avail free frame to decode. - FFMPEGMediaPlayer - Add proper AudioDataFormat negotiation AudioSink <-> libav - Parse libav's SampleFormat - Remove AudioSink interaction (moved to GLMediaPlayerImpl) - Tests (MovieSimple, MovieCube): - Add aid/vid selection - Add KeyListener for actions: seek(..), play()/pause(), setPlaySpeed(..) - Dump perf-string each 2s - TODO: - Add audio sync in AudioSink, similar to GLMediaPlayer's weighted video delay, here: drop audio frames.
* GLMediaPlayer: Add multithreaded decoding w/ textureCount > 2 where ↵Sven Gothel2013-08-103-8/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | available EGL/FFMPeg. WIP! Off-thread decoding: If validated (impl) textureCount > 2, decoding happens on extra thread. If decoding requires GL context, a shared context is created for decoding thread. API Changes: - initGLStream(..): Adds 'textureCount' as argument. - TextureSequence.TexSeqEventListener.newFrameAvailable(..) exposes the new frame available - TextureSequence.TextureFrame exposes the PTS (video) Implementation: - 'int validateTextureCount(int)': implementation decides whether textureCount can be > 2, i.e. off-thread decoding allowed, default is NO w/ textureCount==2! - 'boolean requiresOffthreadGLCtx()': implementation decides whether shared context is required for off-thread decoding - 'syncFrame2Audio(TextureFrame frame)': implementation shall handle a/v sync, due to audio stream details (pts, buffered frames) - FFMPEGMediaPlayer extends GLMediaPlayerImpl, no more EGLMediaPlayerImpl (redundant) +++ - SyncedRingbuffer: Expose T[] array +++ TODO: - syncAV! - test Android
* ES2 NEWT Tests: GearsES2/RedSquareES2 - Don'w use AWTRobot if AWT is n/a (Ji ↵Sven Gothel2013-08-102-2/+8
| | | | Gong manual testing)
* FFMPEGPlayer Audio Sink Refactoring ..Sven Gothel2013-07-192-2/+2
| | | | | | | | | | | | | | | | - AudioSink w/ AudioFrame and formats public - ALAudioSink uses a circular buffer now, hence relaxes the one-threaded player mode - FFMPEGMediaPlayer uses multiple audio frames (equal to the ALAudioSink number) and wraps data to NIO buffer w/o copy. - FFMPEGMediaPlayer audio threading currently disabled: distorted sound Seems that the ALAudioSink's circular buffer usage is good enough for now. - Verbosity only w/ DEBUG flag - New SyncedRingbuffer for effcient synced buffering
* Fix Bug 744: Added support of RLE encoded .tgaPetr Skramovsky2013-07-173-0/+165
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* GLSL core fixes - texture2D and varying/attributes/.. preprocessingSven Gothel2013-07-172-1/+14
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* TestBug722GLContextDrawableSwitchNewt2AWT: Test n/a if JAWT requires ↵Sven Gothel2013-07-171-1/+9
| | | | offscreen, i.e. no on- offscreen switch possible.
* Use MaxFixedFunc(..) GLProfile if pbuffer or GL2-compat is required.Sven Gothel2013-07-175-8/+8
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* More shader fixes for core (GLSL 150): texture2D -> texture, texture3D is ↵Sven Gothel2013-07-171-1/+2
| | | | deprecated in 130 and removed in 150.
* Fix OSX GL-core lack of pbuffer: GLDrawableFactory.canCreateGLPbuffer(..) ↵Sven Gothel2013-07-176-41/+39
| | | | | | add GLProfile argument, similar to canCreateFBO(..) In case a compatible non-core profile is requests, canCreateGLPbuffer(..) returns false on OSX.
* Redefine: isGLES3Compatible() and isGL4ES3(), i.e. allow GL4ES3 usage in ↵Sven Gothel2013-07-161-0/+69
| | | | | | | | | case proper ES3_compat is given. isGLES3Compatible() and isGL4ES3() of GLBase _and_ GLContext includes [ GL >= 4.3, GL >= 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ]. Tested GL 'aliasing' w/ TestGLProfile01NEWT, i.e. isGL*() and getGL*().
* Tests: Cleanup for GL core usage p2 - (Proper GLSL version number)Sven Gothel2013-07-165-14/+22
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* Tests: Cleanup for GL core usage (Skip texture enable/disable, proper GLSL ↵Sven Gothel2013-07-1615-128/+155
| | | | version number, use VBO only, ...)
* GPUUISceneGLListener0A: Rotate on vertical scroll ..Sven Gothel2013-07-161-1/+1
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* Fix PointsDemoES1: No zero point size allowedSven Gothel2013-07-161-1/+1
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* Add Support for GL 4.3 (Bug 716) and ES 3.0 (Bug 717)Sven Gothel2013-07-154-15/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ES3 / GL4.3: - Update all EGL, GLX, WGL and GL (desktop and mobile) khronos headers to latest version. - GL3/gl3* -> GL/glcorearb* - Explicitly preserve ES2_compatibility and ES3_compatibility in header, most extension grouping was removed in new headers. - Always load all GLHeader to ensure proper extension association across all profiles. - Unified method signatures - Added GL_EXT_map_buffer_range to core - Using common 'glMapBufferImpl(..)' for all glMapBuffer(..) and glMapBufferRange(..) impl. - Init necessary fields of GL instances via 'finalizeInit()' called by reflection, if exist. This allows removing initialization checks, i.e. for all buffer validations. - BuildStaticGLInfo: Can handle new GL header structure, i.e. one CPP extenstion block incl. define + funcs. - GLJavaMethodBindingEmitter: Simply print the - No GL duplication due to new intermediate interfaces, see below - OO lineare inheritance (Added GL2ES3, GL3ES3 and GL4ES3 intemediates): GLBase - GL - GL2ES2 - GLES2 GLBase - GL - GL2ES2 - GL2GL3 - [ GL2, GL3 ] GLBase - GL - GL2ES2 - GL2ES3 - GL3ES3 - [ GL3 ] GLBase - GL - GL2ES2 - GL2ES3 - GL3ES3 - GL4ES3 - [ GLES3, GL4, .. ] - Expose 'usable' intermediate interfaces GL3ES3 and GL4ES3 in GLBase/GLProfile/GLContext via is*() and get*(). - GLContext*: - isGL3core() is true if [ GL4, GL3, GLES3 ] (added GLES3) - Added ctxProfile argument to allow handling ES versions: - getMaxMajor(..), getMaxMinor(..), isValidGLVersion(..) and decrementGLVersion(..) - mapGLVersions(..) prepared for ES ARB/KHR validation - EGLContext checks ES3 (via old ctx's GL_VERSION) - ExtensionAvailabilityCache adds GL_ES_Version_X_Y for ES. - Prelim tests w/ Mesa 9.1.3 GL Version 3.0 (ES profile, ES2 compat, ES3 compat, FBO, hardware) - OpenGL ES 3.0 Mesa 9.1.3 [GL 3.0.0, vendor 9.1.3 (Mesa 9.1.3)] - TODO: - Use KHR_create_context in EGLContext.createContextARBImpl(..) - More tests (Mobile, ..) +++ Misc: - GLContext*: - Complete glAllocateMemoryNV w/ glFreeMemoryNV.
* TestMainVersionGLWindowNEWT: Add 'manual' version get/print for verification.Sven Gothel2013-07-101-0/+6
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* TestGLWindows02NEWTAnimated: Give animator a chance to become paused after ↵Sven Gothel2013-07-101-0/+7
| | | | pulling GLAD from it.
* TestScreenMode00cNEWT: Enable testing of UITestCase.resetXRandRIfX11() only ↵Sven Gothel2013-07-101-1/+3
| | | | in manual mode.
* UITestCase.resetXRandRIfX11(): Iterate through all outputs and sets the ↵Sven Gothel2013-07-093-22/+167
| | | | | | preferred mode and normal rotation using RandR 1.3 .. using commandline processing w/ 'xrandr'
* Refine 95ffc6f73b460a24e8f117060de1d80ec85e4c25: Reset X11 XRandR only for ↵Sven Gothel2013-07-0910-1/+17
| | | | MonitorMode test cases reducing impact.
* NEWT MonitorMode test cases: Add X11 XRandR commandline reset to ↵Sven Gothel2013-07-093-0/+271
| | | | | | | | UITestCase's AfterClass if available (X11). In case a MonitorMode test case fails, force XRandR reset '-s 0 -o normal' at end of test class if X11. Unit Test: TestScreenMode00cNEWT
* NEWT EDTUtil: Exposed weakness of EDTUtil usage due to usage of ↵Sven Gothel2013-07-0911-29/+64
| | | | | | | | | | | | | | | | | | | | | WeakReference, i.e. higher retention of Display instances. - WeakReference Change 99479bf3197cde8e89c5b499d135417863d521c7 - Refines commits: feb352145af1643a57eaae99c0342e6f5e0f2a2e dec4b02fe4b93028c85de6a56b6af79601042d6e 433e3914324b90c910b018bb7d9d80e814c67123 Reviews EDTUtil API and usage: - less confusing / more determined EDTUtil API - EDTUtil's thread shall only be reset and started when required (-> lazy) - EDTUtil's instance in Display shall be handled thread safe w/o extra blocking - EDTUtil's implementations (Default, SWT and AWT) shall be aligned / similar as much as possible Further note: SWT's EDTUtil (NewtCanvasSWT) shall not use a reused Display instance due to it's custom SWTEDTUtil. We may need to disable the ref. cache if custom EDTUtil (setEDTUtil) is intended (used).
* NEWT Display.create: If reusing an existing instance, ensure EDT is running!Sven Gothel2013-07-051-2/+16
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* TestScreenMode*: Stop animator before destroying window - be nice.Sven Gothel2013-07-052-0/+4
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* TestScreenMode02bNEWT: Don't assert/wait for Screen shutdown if mode change ↵Sven Gothel2013-07-051-1/+0
| | | | already failed
* TestDisplayLifecycle02NEWT: Renable testDisplayCreate02 (my fault)Sven Gothel2013-07-041-1/+1
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* TestDisplayLifecycle02NEWT: Ensure window/screen has been destroyed before ↵Sven Gothel2013-07-041-3/+19
| | | | validating active count.
* TestScreenMode*: At destruction, properly wait until Window and Screen ↵Sven Gothel2013-07-046-14/+30
| | | | (after mode change) has been destroyed - avoiding conflicts w/ other tests (off thread destruction)
* TestScreenMode02bNEWT: Full MonitorMode w/ rotation failure - Expected on ↵Sven Gothel2013-07-041-0/+5
| | | | some platforms (NV driver) - Tolerated for now
* Refine 9c7ab101cf5261db3ef6160c0aa1906ffcce188b: Don't print extensions .. ↵Sven Gothel2013-07-045-5/+5
| | | | too much
* TestScreenMode*: Be more verbose setting screen mode.Sven Gothel2013-07-045-52/+107
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* Revisit Bug 770 and Bug 771: Only use FLAG_IS_FULLSCREEN_SPAN if required; ↵Sven Gothel2013-07-042-0/+5
| | | | | | | | | | | | | At MonitoMode change, reset fullscreen if FLAG_IS_FULLSCREEN_SPAN is supported. - Bug 770: Only use FLAG_IS_FULLSCREEN_SPAN if required - If X11 WindowDriver _and_ virtual-screen-size > fullscreenViewport, - else we still use _NET_WM_STATE_FULLSCREEN on X11! - Bug 771: At MonitoMode change, reset fullscreen if FLAG_IS_FULLSCREEN_SPAN is supported - Since we may still use _NET_WM_STATE_FULLSCREEN on X11: - Pause fullscreen at monitorModeChangeNotify(..) - Resume fullscreen at monitorModeChanged(..)
* TestScreenMode* Cleanup (reset)Sven Gothel2013-07-045-78/+82
| | | | | | | | | | - TestScreenMode01aNEWT and TestScreenMode01dNEWT test auto-reset (destroying last Screen ref. reinstates orig MonitorMode) - Other tests do manual reset. - Add ant test target 'junit.run.newt.monitormode' to test only monitor-mode / fullscreen cases
* Use JoglVersion.getGLStrings(..) in 'famous' tests, removes redundancy .. ↵Sven Gothel2013-07-045-40/+10
| | | | Gears* RedSquare*
* Remove deprecated methods.Sven Gothel2013-07-043-5/+11
| | | | | | | | | - Quaternion.isEmpty() - Texture.dispose(GL) - GLContext.getGLVersionMajor() / ..Minor() - GLContextImpl.bindPbufferToTexture() / releasePbufferFromTexture() - MouseEvent.getWheelRotation() -
* Revise commit 4c34f5980bddcdc84b10cb3bcbb96b365b9d471e (Bug 767): TAB, BS ↵Sven Gothel2013-07-031-14/+16
| | | | | | | | | and CR/ENTER are printable for NEWT KeyEvent and font handling. Fix regression. - Original behavior was treating CR/ENTER them as printable, lets keep it this way. - KeyEvent: Query these 3 whitespaces upfront, no need to incl. them in 'nonPrintableKeys'. - Fix regression: Native VK_ENTER was not change in commit 4c34f5980bddcdc84b10cb3bcbb96b365b9d471e.
* Bug 724: Testing PNG Transparency / Fixing GLSL Shader of test case: Mix ↵Sven Gothel2013-07-037-14/+259
| | | | texture alpha properly (pre-multiply), due to lack of ALPHA_BLENDING.
* Bug 724: Add manual unit test, incr. PNGImage verbosity.Sven Gothel2013-07-022-7/+10
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* Bug 734: Bug could not be reproduced w/ TestScreenMode02bNEWT, however on ↵Sven Gothel2013-07-022-2/+240
| | | | | | | some X11 tests systems, artifacts could be experienced. X11 Test systems w/ AMD fglrx and Intel Mesa, the rotated height is cut off .. probably due to bug of driver code and rotation.