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* Misc: --write-pid-path & small changesRichard Grenville2013-11-094-37/+110
| | | | | | | | | | | | | | - Add --write-pid-path to write process ID to a file, to help determining compton's process ID when -b is used. - Add a few extra targets to query through D-Bus opts_get (version, pid, etc.) and through win_get, primarily for debugging. - Add helper macros likely(), unlikely(), cmalloc(), ccalloc(), crealloc(). - Change w->opacity_set to opacity_t. Determine display_repr in session_init(), etc.
* Bug fix #153: Possible fix for a rare timing issueRichard Grenville2013-10-212-12/+9
| | | | | | | | | | | | Possible fix for a very rare timing issue in focus detection. Compton may fail to detect the currently focused window, when a window newly mapped gets focused, we failed to listen to events and get FocusIn from it in time, and a series of focus change events before it happens stay in the event queue and puzzled compton. My choice is to force focus recheck on all focus-related events. More roundtrips to X, but not necessarily worse performance, due to the high cost of focus flipping especially when there's a lot of conditions. Thanks to SlackBox for reporting. (#153)
* Bug fix #149: --opacity-rule misbehaves on 32-bit systems & othersRichard Grenville2013-10-012-6/+26
| | | | | | | - Fix a bug that --opacity-rule misbehaves with a value higher than 50% on 32-bit systems. Thanks to mrinx for reporting. (#149) - Fix a bug that opacity-rule in configuration file does not work.
* Misc: Typo in vsync_opengl_init()Richard Grenville2013-09-261-1/+1
| | | | I typed ps->glXGetVideoSyncSGI as ps->glXWaitVideoSyncSGI...
* Misc: Add cfg file options for --unredir-if-possible-*Richard Grenville2013-09-241-0/+5
| | | | | Add configuration file options for --unredir-if-possible-{delay,exclude}. (#140)
* Bug fix #99: Rewrite focus detection logicRichard Grenville2013-09-185-103/+107
| | | | | | | | | | | | | - Rewrite focus detection logic. Remove w->focused_real and use ps->active_win to identify focused window uniformly. Use a more expensive way to filter FocusIn/Out events to improve reliability. Only limited tests are done, and bugs are likely to be introduced. (#99) - Known issue: Under fvwm, compton sometimes does not consistently report the window input gets sent to. But there's something wrong in that case: XGetInputFocus() shows the root window is focused but another window is receiving input.
* Bug fix #144: Workaround for insane window type changesRichard Grenville2013-09-152-25/+40
| | | | | Dynamically detect window type as a workaround to insane applications. Thanks to Feltzer for reporting. (#144)
* Bug fix #143: GLSL shader error on European localesRichard Grenville2013-09-152-0/+10
| | | | | Set LC_NUMERIC=C when generating GLSL shader strings to avoid decimal point issues on European locales. Thanks to hiciu for reporting.
* Bug fix #143: Move setlocale(LC_NUMERIC, "C")Richard Grenville2013-09-141-4/+4
| | | | | Move setlocale(LC_NUMERIC, "C") to a better place, in hope to fix #143. Thanks to hiciu for reporting!
* Bug fix #140: Possible fix for CPU usage with --unredir-possible-delayRichard Grenville2013-09-121-46/+60
| | | | | | | | | | | | | | | | | | | | - Possible fix for high CPU usage with a low --unredir-possible-delay. Thanks to Feltzer for reporting. (#140) - Rewrite some parts to (hopefully) increase performance, especially with --unredir-if-possible. - Known issue: With GTX 670 and x11-drivers/nvidia-drivers-325.15, and compton --unredir-if-possible --config /dev/null, if you send a SIGUSR1 to compton when a full-screen solid window is there, in which case compton either redirects then immediately unredirects the screen, or just don't redirect it altogether, X freezes after compton unredirects the screen. Requests sent by other X clients are not responded until compton is killed, which indicates the possibility of a bug in X. Attaching to X process shows X is on ./os/waitFor.c. Backend does not matter. --paint-on-overlay fixes the issue somehow. compton-git-v0.1_beta1-5-g4600f43-2013-08-28 doesn't exhibit the issue, but it's probably timing-related.
* Improvement: --unredir-if-possible-exclude & --unredir-if-possible-delayRichard Grenville2013-09-044-58/+158
| | | | | | | | | | - Add --unredir-if-possible-exclude, to exclude certain windows when evaluating --unredir-if-possible. (#140) - Add --unredir-if-possible-delay, to add some delay before unredirecting screen. (#138, #140) - Code clean-up.
* Misc: GLX: Avoid using multi-sampling visualsRichard Grenville2013-09-031-1/+15
| | | | | Avoid using multi-sampled visuals, like the cogl patch: http://people.freedesktop.org/~glisse/0001-glx-do-not-use-multisample-visual-config-for-front-o.patch
* Bug fix #137: Auto-detect screen changesRichard Grenville2013-08-282-10/+17
| | | | | Attempt to auto-detect screen changes to address the issue reported by Feltzer.
* Misc: Add missing configuration file options and switchesRichard Grenville2013-08-261-0/+17
| | | | | | | | - Add "xinerama_shadow_crop" configuration option. - Add long commandline switches corresponding to the short ones. - Documentation update.
* Improvement #137: --xinerama-shadow-cropRichard Grenville2013-08-224-2/+134
| | | | | Add --xinerama-shadow-crop to crop shadow to current Xinerama screen. Thanks to Feltzer for suggestion.
* Misc: stoppaint_force & Documentation updateRichard Grenville2013-07-305-9/+40
| | | | | | | | | | - Add stoppaint_force option, controlled via D-Bus, to stop painting completely, which may look better than unredirecting the screen, sometimes. (#41) - Add x2, y2 matching targets. - Update documentation.
* Improvement #41: Enable/disable redirection through D-BusRichard Grenville2013-07-263-11/+29
| | | | | | | - Add "redirected_force" to D-Bus opts_get to forcefully redirect/unredirect windows. - Add D-Bus method "repaint", to, namely, repaint the screen.
* Bug fix #124: GLX: Missing check on FBConfig X visual depthRichard Grenville2013-07-051-6/+22
| | | | | - Check FBConfig X visual depth, like Compiz, to fix issues with nvidia-drivers-325.08 . Thanks to guotsuan for reporting.
* Misc: OpenGL 3.0 compatibility & miscRichard Grenville2013-06-251-1/+2
| | | | | | | | - Fix OpenGL 3.0 compatibility by changing glFramebufferTexture() to glFramebufferTexture2D(). Thanks to danfe for suggestion! - Add notification about DocBook toolchina dependencies. Thanks to danfe. (#121)
* Misc: --paint-exclude & #119Richard Grenville2013-06-195-11/+57
| | | | | | | | | | | - Add --paint-exclude to prevent certain windows from being painted, for debugging purposes. - Add predefined matching target "x", "y", "width", "height", "widthb", "heightb", "border_width", and "fullscreen". - Fix bug #119, wrong man page install dir in CMake configuration. Thanks to sstewartgallus for reporting.
* Feature #116: Shadow exclusion regionRichard Grenville2013-06-093-14/+167
| | | | | | | | - Add --shadow-exclude-reg, which excludes certain regions on the screen to have shadows painted in. (#116) - Adjust session initialization order. Now X root and screen info and basic X extensions are available in configuration parsing step.
* Feature #113: Set opacity based on conditionsRichard Grenville2013-05-215-7/+115
| | | | | | | | | | | - Add --opacity-rule, which sets opacity based on conditions, as requested by zabbal. (#113) - Add a data field for each condition. - Correct the FAQ link in README.md. Silly me. - Code clean-up.
* Imp: Multi-pass blur & D-Bus fading controlRichard Grenville2013-05-205-224/+765
| | | | | | | | | | | | | | | | | | | | | | | | - Add multipass blur support. Note GLX Framebuffer support is required. My benchmark shows multipass blur brings 5% performance boost for X Render backend (3x3box). On GLX backend it brings 10% performance boost for 5x5box but negatively affects performance for 3x3box. Thanks to jrfonseca for advice. (#107) - GLX backend: Cache blur texture for each window, for a 12% performance boost. - Add D-Bus fading control. Thanks to yulan6248 for testing. (#112) - Fix FAQ link in README.md. Thanks to lorenzos for report. (#111) - Correctly deinitialize VSync on on-the-fly VSync method switch. - X Render backend: Normalize blur kernel. - Code clean-up. - Known issue: Linear corruption on border of a window may appear with X Render multi-pass blur. Possible to fix but probably not worthwhile.
* Misc: Add DEBUG_GLX_MARK & MiscRichard Grenville2013-05-125-7/+85
| | | | | | | | | | | - GLX backend: Add DEBUG_GLX_MARK, to add GL marks around functions with glStringMarkerGREMEDY(), and mark frame termination with glFrameTerminatorGREMEDY(). - Print output of `compton -h` to stdout. (#110) - GLX backend: Strip out elements with factor 0 in GLSL blur code. Thanks to jrfonseca for guides. (#107)
* Bug fix: Compilation failure with NO_LIBCONFIG / NO_C2Richard Grenville2013-05-092-86/+86
| | | | | - Fix compilation failure with NO_LIBCONFIG or NO_C2. Thanks to Spaulding for reporting.
* Misc: Add DEBUG_GLX_PAINTREGRichard Grenville2013-05-092-0/+95
| | | | | - GLX: Add DEBUG_GLX_PAINTREG, for debugging painting region issues, for p4ddy's problem.
* Imp: Fix GL_TEXTURE_RECTANGLE & Enhance --glx-copy-from-frontRichard Grenville2013-05-083-70/+160
| | | | | | | | | | | | | | - Fix GL_TEXTURE_RECTANGLE support. Thanks to amonakov for guides. (#107) - Enhance --glx-copy-from-front to improve performance and make it work with --glx-swap-method, copied from kwin patch. Thanks to bwat47 for info. (#107) - Add texture2Doffset() support in blur GLSL shader. Thanks to amonakov for advice. No visible benefit here, though. (#107) - Only limited tests are done and I'm super sleepy. Bugs expected
* Misc: Validate wallpaper pixmap & Documentation updateRichard Grenville2013-05-012-26/+30
| | | | | | | - Split Pixmap validation out to validate_pixmap(). Validate wallpaper Pixmap as well. - Update README.md and man page.
* Improvement: Add predefined blur kernelsRichard Grenville2013-04-291-1/+29
| | | | | | - Add a few predefined blur kernels, requested by jerri in #104. - Add compton-convgen.py to generate blur kernels.
* Bug fix: Fix a BadRegion error with --glx-use-copysubbuffermesaRichard Grenville2013-04-271-1/+1
| | | | Just a small and mostly harmless issue. Sorry, didn't test throughly.
* Bug fix: Fix --resize-damageRichard Grenville2013-04-274-15/+38
| | | | | | | | | | | | - Fix --resize-damage. I forgot to shrink the painting region back when actually copying to destination. - Include extra pixels around the blur texture to avoid some possible small issues, if --resize-damage is positive. - Known issue: Line artifacts may still appear with --dbe (X Render backend) or --glx-swap-method (GLX backend). I doubt if there's way to fix this without very inefficient mechanisms.
* Improvement: --resize-damageRichard Grenville2013-04-274-5/+69
| | | | | | | | - Add --resize-damage to enlarge/shrink repaint region by a specific number of pixels, used for solving the line corruption issue with blur. Thanks to Nuck and jerri in #104 for reporting. - Fix the memory leak of blur shader string.
* Misc: Fix gcc errorRichard Grenville2013-04-261-3/+1
| | | | Fix gcc compilation error about "initializer element is not constant".
* Improvement: Enhance --glx-swap-methodRichard Grenville2013-04-264-54/+122
| | | | | - Enhance --glx-swap-method to support longer buffers ages (3-6), and automatic buffer age detection via GLX_EXT_buffer_age.
* Improvement: --blur-kernRichard Grenville2013-04-253-49/+234
| | | | | | | | | | | - Add blur convolution kernel customization, --blur-kern. The format is a bit tricky so be sure to read the description in `compton -h`. Not much tests received. - GLX backend: Tolerate missing GLSL uniforms for strangely shaped convolution kernel. - Fix a memory leak that blur-background blacklist is not freed.
* Misc: Fix wrong description & DEBUG_GLX_ERRRichard Grenville2013-04-253-1/+85
| | | | | | | | - Fix description of "opengl" VSync. - Add DEBUG_GLX_ERR to check for OpenGL errors. - Update man page.
* Improvement: --glx-swap-method & --fade-excludeRichard Grenville2013-04-214-8/+106
| | | | | | | | | | | | | | | | - GLX backend: Add --glx-swap-method, to reduce painting region if the driver uses exchange or copy buffer swaps. Untested. - Add --fade-exclude, to disable fading on specific windows based on some conditions. Untested. - Expose GLX backend options through configuration file. Add fetching of GLX backend options through D-Bus. - Use NULL pointer instead of element count to delimit string arrays in parse_vsync()/parse_backend()/parse_glx_swap_method(). - Add documentation about "wintypes" section in configuration file.
* Bug fix: GLX: Fix dim and blur with --glx-no-stencilRichard Grenville2013-04-064-143/+187
| | | | | | | | | | | | | - GLX backend: Fix broken dim and blur with --glx-no-stencil when dealing with shaped windows. - GLX backend: Cache region contents and do a local region intersection instead of using XFixesIntersectRegion(). Drastic reduction in CPU usage for --glx-no-stencil. Now --glx-no-stencil substantially outperforms (~15%) normal mode. - Use macros to reuse paint-in-region code in opengl.c . Add new type "reg_data_t" to store XserverRegion cache.
* Improvement: GLX: Cache region contents & --glx-no-rebind-pixmapRichard Grenville2013-04-055-164/+132
| | | | | | | | | | | | | | - Cache region contents in is_region_empty(), mostly useful only for GLX backend to save one roundtrip to X. - GLX backend: Add --glx-no-rebind-pixmap, which prevents rebinding of GLX texture to pixmap on content change. It doesn't work on some drivers, but it saves some CPU on those where it does. - Wrap XFree() with a new function cxfree() since its man page claims NULL pointers are not acceptable (although in fact it does...). - Use macro to save some code in get_cfg(). Code clean-up.
* Misc: Workaround for some missing definitionsRichard Grenville2013-04-031-0/+13
| | | | | - Add workarounds for missing GL_TEXTURE_RECTANGLE and PictOpDifference definitions in broken GL headers / old X Composite headers.
* Feature #4: Default active window opacityRichard Grenville2013-03-303-1/+55
| | | | | | - Add default active window opacity (--active-opacity). (#4) - Add win_focusin and win_focusout D-Bus signals.
* Bug fix: GLX: Fix --inactive-dim & fix color inversionRichard Grenville2013-03-253-30/+162
| | | | | | | | | | | | | - GLX backend: Fix broken --inactive-dim. - GLX backend: Fix bugs when inverting colors of windows. Thanks to madsy and neure for help. - GLX backend: Lift `glx_no_stencil` restriction from glx_init_blur(). It still probably won't work, but the user can try. - XRender backend: Use XRenderFillRectangles() instead of XRenderComposite() to do dimming.
* Improvement: --blur-background-exclude #98 & MESA_swap_control & othersRichard Grenville2013-03-234-12/+106
| | | | | | | | | | | | | | | - Add --blur-background-exclude. (#98) - Add `opengl-mswc` VSync, which uses MESA_swap_control instead of SGI_swap_control. I don't expect it to perform better than SGI_swap_control, though. - Update CMakeLists.txt . - Add a few targets for D-Bus `win_get`. Misc changes. - Known issue: Apparently I've forgotten implementing --inactive-dim on GLX backend... Silly me.
* Bug fix: Incorrect handling when a window is placed on bottomRichard Grenville2013-03-221-1/+1
| | | | | | - Fix a bug that ConfigureNotify placing a window in bottom (ConfigureNotify with .new_above == 0) is not correctly handled, introduced in 1a88e3d0c5.
* Improvement: --glx-use-copysubbuffermesaRichard Grenville2013-03-214-12/+84
| | | | | | | | | | - GLX backend: Add --glx-use-copysubbuffermesa, to use MESA_copy_sub_buffer to do partial screen update. Huge performance boost on mesa drivers for partial screen updates, but does not work for nvidia-drivers and may break VSync. Automagically overrides --glx-copy-from-front. - Add rect_is_fullscreen() to reuse code. Misc changes.
* Feature #69: GLX: Blur backgroundRichard Grenville2013-03-203-65/+170
| | | | | | | | - GLX backend: Add blur background support using a GLSL shader. Only tested with nvidia-drivers-313.26. Known to cause quite some decrease in performance (~10%?). - Detach shaders in glx_create_program(). Misc changes.
* Improvement: --glx-copy-from-front & benchmark modeRichard Grenville2013-03-193-50/+219
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - GLX backend: Add --glx-copy-front, which copies all unmodified regions from front buffer to back buffer instead of redrawing the whole screen. Unfortunately, probably because glCopyPixels() isn't usually well-optimized on graphic cards, this option appears very unstable in its effect: Over 20% boost in performance when only 1/4 of the screen is modified, but 10% decrease when the whole screen is. Thus, not enabled by default. - GLX backend: Add glx_blur_dst(), to prepare for the background blur feature. It currently is capable to modify background in the desired way, but the core blur shader is absent. glConvolution2D() seemingly relies entirely on CPU and has horrifying performance. I've hesitating about whether I should use ARB assembly language or GLSL for the shader. - GLX backend: Invert y-axis GL matrix. It's upside-down previously because that's what dcompmgr uses. Seemingly a "normal" y-axis is required for glCopyPixels() to operate correctly. - GLX backend: Fix some GLX_TEXTURE_RECTANGLE compatibility issues. Still, not actually tested. - Add benchmark mode (--benchmark & --benchmark-wid). - Misc changes.
* Improvement: GLX: Use SCISSOR_TEST instead of STENCIL_TEST when possibleRichard Grenville2013-03-182-10/+29
| | | | | | | | - GLX backend: Use GL_SCISSOR_TEST instead of STENCIL_TEST if there's only one rectangle in glx_set_clip(). Profiling with gDebugger shows a 10% performance improvement. - Add .desktop installation rules. (#97)
* Bug fix: GLX: ARGB texture too dark & Jitter when resize & othersRichard Grenville2013-03-184-42/+117
| | | | | | | | | | | | | | | | | | | | | | - GLX backend: Fix a bug that ARGB windows / shadows are rendered too dark. Thanks to derhass in FreeNode/##opengl for help. - GLX backend: Fix a problem that during window resize the content looks jittering, by letting compton fetch pixmap sizes with XGetGeometry() instead of relying on window width/height, which could be inaccurate during window resize. Negative effect on performance. Thanks to M4he for reporting. (#7) - Add .desktop file. Thanks to quequotion for providing it. (#97) - Avoid checking presence of window pixmap, because they may not exist with very old X Composite implementations. - Add workaround for a strange window restack issue when compton receieves a ConfigureNotify with non-existent new above window. - Add debugging function hexdump(). Extra sanity checks on various places.
* Bug fix: GLX backend incompatibility with VirtualBox & othersRichard Grenville2013-03-174-46/+89
| | | | | | | | | | | | | | | | | | | | | | | - GLX backend: Fix a bug that window content does not get updated on VirtualBox, by rebinding texture when window content changes. This may have a negative effect on performance. - GLX backend: Add --glx-no-stencil to restore the old clipping method, just in case. - GLX backend: Apply stricter checks on texture-pixmap binding. - GLX backend: Fix a bug that glx_set_clip() behaves incorrectly when None is passed in. - GLX backend: Use glEnable()/glDisable() to toggle stencil tests, in hope to increase performance. - Move window pixmap/picture fetching to win_paint_win(), in hope to increase performance. - Intersect shadow painting region with its bounding rectangle, in hope to increase performance.
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