Commit Graph

968 Commits

Author SHA1 Message Date
Yuxuan Shui 8d639f41e9
Make sure only MAPPED state can transition to FADING
win_update_focused transition window into FADING without checking their
current state, resulting into unmapping windows being brought into
FADING state and stops unmapping.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-23 00:11:29 +00:00
Yuxuan Shui 9cce1efe3f
Call glxext_init from glx_init
Make sure we query the extensions.

Also don't start glx string marker logger for new backends yet.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 23:25:31 +00:00
Yuxuan Shui 23ee4c6cbe
Add missing check for experimental_backends
Fixes #121

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 22:32:49 +00:00
Yuxuan Shui f120f9b754
Make sure map_win initialize win::win_data
Previously it is initialized by win_update_bounding_shape, so
configure_win is called when win_data == NULL and state ==
WSTATE_MAPPING, which is an invalid state for a `win` to be in.

Now map_win explicitly calls backend->prepare_win. This is not very
efficient since win_update_bounding_shape will reinit it.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 14:53:41 +00:00
Yuxuan Shui e82bc0ca23
Silence a warning in release build
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 14:15:25 +00:00
Yuxuan Shui 350933a054
Cleanups
* Make some functions in win.c pure
* Remove unused code
* Fix misuse of attr_const, const functions shouldn't exam data pointed
  to by its pointer arguments.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 14:08:08 +00:00
Yuxuan Shui 69826a0844
Add some TODOs
reg_ignore is a bit complicated.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 04:11:58 +00:00
Yuxuan Shui d145808e69
Fix new backend related crash
Use of invalid backend_info_t.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 03:51:26 +00:00
Yuxuan Shui a7f373dec3
Starting the deprecation process for --sw-opti
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 03:42:03 +00:00
Yuxuan Shui 6909597ee3
Use monotonic clock for time
Remove handling of the so-called "time disorders".

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 03:36:51 +00:00
Yuxuan Shui 934c269f9b
Update win::reg_ignore_valid when destroying window
When destroying a window, set window->next->reg_ignore_valid to false,
since its reg_ignore is not valid anymore.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 03:00:27 +00:00
Yuxuan Shui 6c71146f1c
Don't call map_win() in add_win()
Only case where you want to map window in add_win() is during compton
startup, when compton is registering existing windows. Otherwise,
add_win() is always called for newly created windows, so there will
always be a MapNotify coming up for that window. If we map newly created
windows in add_win(), we will try to map it a second time when the MapNotify
arrives.

So, just don't call map_win() from add_win(). For compton startup, we
explicitly call map_win() after calling add_win() in session_init.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 02:29:06 +00:00
Yuxuan Shui ff37cf9756
Don't start fading when screen is unredirected
If a window is destroyed and starts to fade out when screen is
unredirected, when the screen become redirected again, we will generate
errors when trying to render that window.

Also make sure the assumption that all window are either MAPPED or
UNMAPPED when screen is unredirected holds.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 02:12:07 +00:00
Yuxuan Shui 9aaf0fc707
Fix a use-after-free
paint_preprocess takes head of the window list as an argument. The
actual head of the window list might be freed and deleted during processing
of fade, but paint_preprocess will keep using the old head of the list,
thus uses freed memory.

Solution is just don't pass the head as an argument. paint_preprocess
will use session_t::list directly.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-21 01:40:04 +00:00
Yuxuan Shui 64e08cc1e3
Fix memory leaks when using the new backends
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 18:21:40 +00:00
Yuxuan Shui c2f274ca8a
Fix some problems in new backend integration
Fix several use of uninitialized/unallocated variables when using
--experimental-backends

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 18:17:16 +00:00
Yuxuan Shui 417e12bc62
Don't call init_render when using new backends
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 18:04:04 +00:00
Yuxuan Shui b0c5db9f5a
Let old/new backends co-exist
Now both the old and the new backends are compiled in, the user can
choose which one to use with a command line switch.

Lower the barrier for testing.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 17:52:24 +00:00
Yuxuan Shui 62d4c0cbdb
Cut fading short if we decide to unredirect the screen
Previously if we unredirect the screen while a fading is in progress, we
will "resume" the fading when we redirect the screen again.

This is usually fine unless the window being faded out is destroyed. we
still tries to fade it out, but since we don't have the pixmap of the
window anymore (freed by unredirect), we will generate lots of errors
until the window is completely "faded out".

Also this change makes it easy to reason about things. Now we know when
the screen is unredirected, all the windows can either be in MAPPED or
UNMAPPED state, nothing else.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 17:41:28 +00:00
Yuxuan Shui 9ec298305a
Cache converted blur kernel
After converting from struct conv to xorg format, cache the result to
save CPU time.

And remove an unused function.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 16:45:53 +00:00
Yuxuan Shui ed9c7064de
Add helper function for kernel normalization
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 01:47:52 +00:00
Yuxuan Shui a5e3837f6d
Fix typo
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 01:45:34 +00:00
Yuxuan Shui 2e2e8e3ce0
Use struct conv for blur kernel as well
Instead of storing them as an array of xfixed.

Might cause some performance overhead for the new backend, because
it is allocating a buffer to do the conversion every frame. Will fix
later.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 01:39:43 +00:00
Yuxuan Shui ae9dee8a9a
Remove the remaining users of win::destroying
And remove win::destroying as well.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 01:21:58 +00:00
Yuxuan Shui 709065d531
Destroy Input Only window properly
Destruction of Input Only windows is erroneously ignored by commit
cea010a, causing future window with the same window id as the destroyed
Input Only window to be treated by an Input Only window even when they
are not. The end result is that some windows don't show up.

Also improved the comments in win.c.

Fixes #119

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-20 01:11:13 +00:00
Yuxuan Shui 02ddf96fd5
Remove leftover CONFIG_XINERAMAs
Fixes #118

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-19 20:48:31 +00:00
Yuxuan Shui bb8fd08b5b
Fix a compiler complaint
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-18 21:32:49 +00:00
Yuxuan Shui 2a41847aa6
Make xinerama mandatory
Fixes #116

Also tweaks the usage message a bit.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-18 21:05:12 +00:00
Yuxuan Shui b2750b26e0
Rectangle kernels
Replace conv::size with conv::{w,h}.

Shadow kernels are still squares, though.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-17 21:58:43 +00:00
Yuxuan Shui cea010afec
Ignore the map/unmap of input only windows
Fixes some misleading warning messages.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-17 18:27:19 +00:00
Yuxuan Shui 635351c820
Remove win::*_last
A side effect of this is that some window properties are allowed to
change during fade-in/out. (e.g. window background can become blurred
during window fade out if window properties changed so blur is requirired).
But it is unclear what is the expected behaviour in this case anyway, so we
choose the one that is simpler to implement.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-17 18:12:41 +00:00
Yuxuan Shui ed4202b52f
Fix memory leaks
Restrict the use of ps_g to xerror() and main().

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-17 16:59:22 +00:00
Yuxuan Shui e0d394595b
Remove session_t::fade_running
It is used more as a out variable for paint_preprocess, so make it that.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-17 16:48:41 +00:00
Yuxuan Shui a826e0ce79
Window state tracking refactor
Window state tracking is basically the back bond of window fading. We
add a new enum field to the win struct to track the state of the window,
instead of using a set of boolean variables. We also remove the fading
callbacks, since it is only used for fading, so the potential of code
reuse is lost. And it makes the code slightly harder to understand.

Also fixed a problem that --no-fading-openclose is not behaving as
advertised (from my observation, enabling this flag disables fading
entirely, instead of just diabling it for open/close).

Also uses double for opacity everywhere internally. Use opacity_t only
when setting X opacity prop.

TODO: Remove win::*_last

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-17 16:37:28 +00:00
Yuxuan Shui e109bee380
Fix some clang-analyzer complains
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-13 04:23:54 +00:00
Yuxuan Shui 7cdc0aedee
log.h needs to export compiler.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-13 04:18:32 +00:00
Yuxuan Shui bb7466fc68
trace/debug logs are unlikely
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-13 04:11:41 +00:00
Yuxuan Shui 60aa36b7af
Failure of config file parsing is a hard failure
compton will now quit if it fails to parse the config file.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-13 02:05:01 +00:00
Yuxuan Shui 7a21cef9a4
Handle SIGINT through libev
Handle SIGINT using libev's ev_signal handler, instead of using
sigaction().

Fixes #64. But compton might miss signals when it's not in the main loop
(e.g. when compton is reset), and thus not exit "clearly". It should
cause any real problem though, so we don't care.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-11 23:13:39 +00:00
Yuxuan Shui df69749804
Don't remove stderr logger if it fail to create
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-11 22:58:16 +00:00
Yuxuan Shui fc2353d186
Tolerant logger creation failure
Fix resetting a background compton

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-09 02:49:16 +00:00
Yuxuan Shui 39faac0f83
Blacklist more glx.h prototypes just in case
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-09 00:52:45 +00:00
Yuxuan Shui 136ce7c9e8
Prevent GL/glx.h from defining prototypes
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-09 00:43:31 +00:00
Yuxuan Shui 4c99ecfde4
Fix compile without opengl
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-09 00:16:47 +00:00
Yuxuan Shui 7e9d1c6442
Condense GLX extension lookup
Put them all into one function, and move the function pointers out of
glx_session_t, making them global variables (because them don't change
after initialized). Remove the function pointer typedefs and replace
them with the ones in glxext.h

We also only lookup the functions once per a lifetime of compton.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-09 00:14:32 +00:00
Yuxuan Shui 1a327b06ab
Fix abort because we used log too early
Can't use log in get_early_config.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-08 22:46:28 +00:00
Yuxuan Shui 343140f845
Reuse glx_has_extension for old backend
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-08 22:34:53 +00:00
Yuxuan Shui edb8b38eef
Tile root pixmap in the glx backend
In X, background pixmap is tiled (meaning they are repeated to filled
the window) by default. So, in the glx backend, we mimic this behavior
by binding the background pixmap of the root window (aka, the wallpaper)
to texture that repeats.

Fixes #107

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-08 21:48:39 +00:00
Yuxuan Shui 5fffb6f3f6
Fork as early as possible
If fork is requested, we fork as early as possible, way before anything
is initialized. This way, we don't need to do the gymnastics to make
OpenGL work properly across fork.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-08 01:33:42 +00:00
Yuxuan Shui fec43acfaa
Add missing headers
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 22:47:42 +00:00
Yuxuan Shui 33c1cd439b
Fix memory leak of dbus service names
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 22:47:32 +00:00
Yuxuan Shui a019ff453b
Make get_early_config even earlier
Also improve the management of X Display and session_t.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 22:45:44 +00:00
Yuxuan Shui 2867ac7a1c
Remove unused screenshot code
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 22:16:32 +00:00
Yuxuan Shui 68c77cd7d8
Add log_remove_target
Don't need to deinit+init struct log any more just to switch log target
:)

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 21:50:20 +00:00
Yuxuan Shui 22bc79369e
Review the use of XFlush and xcb_flush
Replace most of XFlush with xcb_flush.

Also, in a lot of places, XFlush is used as if it is XSync. Replace
those cases by using xcb's _checked version of functions and
xcb_request_check.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 01:11:13 +00:00
Yuxuan Shui 856ad4b230
Wrap root window background prop check
It might be reused by the backends.

Depends on what the backend API ends up look like.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 00:34:48 +00:00
Yuxuan Shui 7d00b89364
x_get_pictform_for_visual should return const *
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 00:22:16 +00:00
Yuxuan Shui aa9c439cc6
Improve the interface of glx_find_fbconfig
Remove the dependence of xcb_render types in glx.h

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-07 00:04:43 +00:00
Yuxuan Shui f19766f15a
Fix FBConfig cost calculation
Double buffering only doubles the color buffer, not the depth and
stencil.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 19:33:31 +00:00
Yuxuan Shui 2263bab2ff
Consider buffer size and double buffering as well
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 19:15:30 +00:00
Yuxuan Shui 519bf8500b
Prefer FBConfig with smaller depth + stencil buffer
Reduce GPU memory usage to what it was before fix-fbconfig.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 19:06:33 +00:00
Yuxuan Shui 39b612a8a4
Delete irrelevant comments
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 18:53:28 +00:00
Yuxuan Shui b1d8687b31
Add copyright notice to backend/**
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 18:47:36 +00:00
Yuxuan Shui 388a7f3ad4
Fix leaking of root_tile FBConfig
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 18:41:47 +00:00
Yuxuan Shui 24370f44e6
Cache FBConfig used for shadows
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 18:41:47 +00:00
Yuxuan Shui 8922312e42
Refactor FBConfig lookup
Background: To bind a Xorg window content to a OpenGL FBConfig, which
has to match the color format the Xorg window is using.

Previously, compton just find a FBConfig that has the same depth. This
led to chjj/compton#477, which has been fixed by a ugly hack.

The commit refactor the lookup mechanism to take as much into
consideration as we reasonably can. Hopefully preventing similar
breakages in the future.

Also, some code sharing between the old and new glx backend.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 18:41:47 +00:00
Yuxuan Shui 7ac351e5b5
Move some default_* functions to backend_common.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 18:41:02 +00:00
Yuxuan Shui b061789a84
Add helper function x_get_visual_depth
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 16:49:04 +00:00
Yuxuan Shui 17c8517abc
Most of the x_* functions don't need session_t
Replace session_t parameter with xcb_connection_t if that's the only
thing needed.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 15:59:31 +00:00
Yuxuan Shui ad3dc5d233
Move session_t::pictfmts into x.c
As a global variable, since they shouldn't change during the period
compton is running. Also limit the scope of the variable to x.c.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-03 15:14:18 +00:00
Yuxuan Shui 0be3fb5ea2
Remove some unused macros/ifdefs
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 22:19:15 +00:00
Yuxuan Shui eadb09ee0d
Remove glx_mark
glx_mark is part of the logging system now, so no need for the old
functions.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 22:05:53 +00:00
Yuxuan Shui 7d10db6531
Move deallocation of damage_ring to deinit_render
Fix a memory leak when compton is reset.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 22:05:43 +00:00
Yuxuan Shui 6eff9ebf8b
Variable name change
win::destroyed to win::destroying, because it make slightly more sense.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 19:43:42 +00:00
Yuxuan Shui 8371d6a0b7
Replace glDrawBuffers with glDrawBuffers
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 19:30:07 +00:00
Yuxuan Shui 94505bbcf4
Fix compiling on older gcc
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 02:12:08 +00:00
Yuxuan Shui 0947148fcc
Fix compiler warnings
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 02:00:15 +00:00
Yuxuan Shui 465a968ddd
Parse number locale-independently
Previously we were using glibc's strtod function to parse floating point
numbers. The problem is, strtod is locale dependent. Meaning 7,7 might
be parsed as two numbers (7 and 7) in one locale, and parsed as one
number (7 point 7) in another locale. This is undesirable.

We need to set the locale to a value we know to make number parsing
consistently. We could use setlocale(), but that is not thread-safe. We
can also use uselocale(), which is thread-safe, but doesn't cover strtod
(Yeah, some of the locale-aware functions only acknowledge the global
locale, not the thread local one).

So in frustration, I just wrote a simple floating point number parser
myself. This parser obviously doesn't cover all cases strtod covers, but
is good enough for our needs.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-02-02 01:28:15 +00:00
Yuxuan Shui 3f5a4d570c
Fix memory leak in glx_init_blur
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-31 22:47:04 +00:00
Yuxuan Shui b76a4234e5
Fix NULL dereference in glx_update_fbconfig
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-31 22:46:12 +00:00
Yuxuan Shui 543bbe6a39
Fix NULL pointer dereference in glx_init_blur
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-31 22:40:17 +00:00
Yuxuan Shui 205427d7da
Exit with exit code 1 when argument parsing failed
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-30 22:19:05 +00:00
Yuxuan Shui c11c24b3f2
Improve config file search order
Previously the search order is:

~/.config/compton/compton.conf
/etc/xdg/compton/compton.conf
~/.config/compton.conf
/etc/xdg/compton.conf
...

Now the search order is:

~/.config/compton/compton.conf
~/.config/compton.conf
~/.compton.conf
/etc/xdg/compton/compton.conf
...

In other word, compton will now search all possible user config file
path first before searching for a system config file.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-30 00:27:14 +00:00
Yuxuan Shui f7d4dff099
Use strncpy for string_utils functions
Also removed mstrjoin3 since it's not used.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-30 00:12:12 +00:00
Yuxuan Shui 9d64decf2a
`compton -h` should quit after printing help
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-29 23:36:34 +00:00
Yuxuan Shui 1627a91c76
Use glDrawBuffer instead of glDrawBuffers in glx_blur_dst
glDrawBuffers doesn't take GL_BACK, which is what we are passing. And we
are using only one buffer argument anyway, no need to use glDrawBuffers.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-29 23:18:44 +00:00
Yuxuan Shui 4e14eec2ba
Remove a redundant glEnd in glx_dim_dst
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-29 22:27:05 +00:00
Antonin Décimo 8366310daf Fix small misspellings 2019-01-28 10:58:14 +01:00
Yuxuan Shui 198dcdb987
gl_common: fix coordinate mismatch
Xorg uses top left as origin, OpenGL uses lower left. So we need to flip
the y axis, and make sure we are using the right points as origin of
windows.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-28 01:14:41 +00:00
Yuxuan Shui 3b21365e94
gl_common: fix rendering
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-28 00:48:26 +00:00
Yuxuan Shui 6e454adff1
glx (new backend): Add some missing functions
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-28 00:04:01 +00:00
Yuxuan Shui 8c71f3fcbe
Move some macros around
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 23:57:43 +00:00
Yuxuan Shui 5364c8ac9b
Add backend_info_t::max_buffer_age
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 19:45:40 +00:00
Yuxuan Shui d92a546beb
Fix includes and typos in new backends 2019-01-27 19:34:26 +00:00
Yuxuan Shui 22f0d10c65
Make backend_info_t::buffer_age optional
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 19:32:07 +00:00
Yuxuan Shui b50f15c835
Adapt paint_all_new to new interface
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 19:29:02 +00:00
Yuxuan Shui e898526afb
Add glx_backend to backend_list
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 19:28:15 +00:00
Yuxuan Shui 99b3c4575f
Fix handling of region == NULL in paint_all_new
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 18:21:42 +00:00
Yuxuan Shui 061dd8e52e
Reuse some code from the new gl backend
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 18:16:28 +00:00
Yuxuan Shui 290ec7fb04
Don't pretend that we have glStringMarker
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-27 17:45:38 +00:00
Yuxuan Shui 6c6dd6ad7d
Remove unused session_t argument from gl_has_extension
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-26 23:08:32 +00:00
Yuxuan Shui 031356069a
new glx: Add glx_present
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-26 18:01:24 +00:00
yshui 4bc2870ddf
Merge pull request #86 from yshui/damage-ring
Make buffer age not glx specific
2019-01-26 15:11:13 +00:00
Yuxuan Shui e80ff8530e
Make buffer age not glx specific
Buffer age is not a glx specific concept. xrender backend can have
buffer age too, if double buffering is used (required if we want to use
Present). So, make buffer age a generic concept in compton is required
for further backend improvements.

Moved buffer age based damage aggragation out of glx as well.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-26 15:07:09 +00:00
Yuxuan Shui 5e49ab0861
Make sure draw_idle is stopped in all cases
Previously, compton fails to stop draw_idle in some cases when sw_opti
is enabled.

sw_opti is a feature that limits the draw frequence to vblank frequence.
It adds a delay to drawing when the screen is updated more frequently
than the vblank frequence. However when the delay is not used (i.e. the
screen is updated infrequent enough), compton will start drawing the
frame directly without using the delay. And specically in this case,
compton will fail to stop the draw_idle, causing a callback to be called
once per loop of the mainloop, resulting in high CPU usage.

Fixes #92

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-25 00:35:24 +00:00
Yuxuan Shui f649a949e2
Even more includes
Expand the modulemap to cover some of the system headers too.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-20 22:09:22 +00:00
Yuxuan Shui 916e23861a
Improve the header includes, cont'd
Also check in the modulemap file, and add a option to build with clang's
-fmodules.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-20 17:10:06 +00:00
Yuxuan Shui 1e0deea57f
Improve the include situation
Slightly clean up header inclusion with the help of clang's module system.
It's better for files to include the things you need directly.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-18 23:30:44 +00:00
Yuxuan Shui c93789f5e9
Enable the glStringMarker logger when available
glStringMarker is usually only available when running under some
kind of GL debugger, and can be used to insert strings into the
GL command string. Writing logs using it can be useful, since it
lets us correspond GL calls with what happens in compton.

More info about the extension can be found here:

https://www.khronos.org/registry/OpenGL/extensions/GREMEDY/GREMEDY_string_marker.txt

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-09 21:58:16 +00:00
Yuxuan Shui dd02ea31ae
Fix copying damage region with wrong size
Fortunately this hasn't caused problems...

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-08 21:34:56 +00:00
Yuxuan Shui 72e3468694
Add backend_info_t::buffer_age
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-08 21:32:54 +00:00
Yuxuan Shui 82e8b09d56
Move paint_all_new to backend.c
Fix build with -Dnew_backends=false. And more build test for this case.

Fixes #83

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-02 20:36:33 +00:00
Yuxuan Shui 34eb14fb0f Tweak the default shadow-radius
We need to make the radius 1.5x bigger to achieve the same effect.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-02 11:14:27 +00:00
Yuxuan Shui 6d3ea3564b
Implement vsync for the new xrender backend
We use the Present extension for that, since it is the best option we
have.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-01 14:59:56 +00:00
Yuxuan Shui 6413ccbd71
Improve XSync extension detection
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-01 14:09:55 +00:00
Yuxuan Shui 428c24a6fa
Speed up shadow generation for small windows
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-01 11:35:59 +00:00
Yuxuan Shui 3686bf7a33
Use functions in backend/backend_common.c
Build backend_common.c even when new_backend=false.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-01 11:01:47 +00:00
Yuxuan Shui 4aeffa36b8
Refactor shadow generation
Trying to make the code easier to understand. The logic is unchanged.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2019-01-01 10:54:21 +00:00
Yuxuan Shui edb1139507
Add some comments to backend.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 23:30:45 +00:00
Yuxuan Shui 86713c8170
Add make_shadow and paint_all_new to backend_common.c
Also made make_shadow private in render.c

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 14:30:58 +00:00
Yuxuan Shui 3b2e149369
Add missing include in x.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 14:30:53 +00:00
Yuxuan Shui 0b94bde004
Remove unused variable in backend/xrender.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 14:08:35 +00:00
Yuxuan Shui 6226ab1228
Fix memory leak in backend/xrender.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 08:22:57 +00:00
Yuxuan Shui cb12430633
Use options_t::shadow_radius for shadow size calculation
No need to access gaussian_map

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 08:15:36 +00:00
Yuxuan Shui 4039a6db64
Remove all use of psglx from backend/glx.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 07:37:49 +00:00
Yuxuan Shui a2022661e6
Move glx_init_blur to gl_common.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 07:18:38 +00:00
Yuxuan Shui 8629fee78f
Fix some static analyzer complains in glx.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 06:54:59 +00:00
Yuxuan Shui f322bd4a53
Remove backend/gl/glx.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 01:53:25 +00:00
Yuxuan Shui 61f55f69a6
Add backend/gl/glx.c to build
Still a long way to go for the glx backend.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 01:32:31 +00:00
Yuxuan Shui 3e7b7bd608
Move glx_fbconfig_t to opengl.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-31 00:38:13 +00:00
Yuxuan Shui e7a8adf2cc
Clear ps->sync_fence after error, part 2
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-30 22:13:30 +00:00
Yuxuan Shui 14f357ea2b
Clean up ps->sync_fence after error
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-30 08:05:16 +00:00
Yuxuan Shui d12b3c1e1d
Add missing header files
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-30 08:00:22 +00:00
Yuxuan Shui 4bfed7f7e3
Use one global XSync fence
And only sync once per frame.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-30 07:43:24 +00:00
Yuxuan Shui 80847dd3fa
Refactor the XSync fence code
Use a temporary fence everytime. Convert the Xlib XSync functions to use
xcb_sync_*.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-30 07:06:47 +00:00
Yuxuan Shui bc0382d962
Remove usage of Xlib from x.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-30 06:05:39 +00:00
Yuxuan Shui 2e26c511c4
Fix allocation with 0 size
Thanks to the static analyzer

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-27 20:56:05 +00:00
Yuxuan Shui 669cbcdb14
Fix some static analyzer errors
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-27 20:47:58 +00:00
Yuxuan Shui 51d03132bf
A bit more xcb conversion
None -> XCB_NONE
Window -> xcb_window_t
Atom -> xcb_atom_t

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-27 20:45:38 +00:00
Yuxuan Shui 86e744345e
Fix build with gcc 6
gcc want _Noreturn to be the first thing in declaration.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-25 14:55:01 +00:00
Yuxuan Shui 311fa65840
Mark report_allocation_failure as noreturn
Silence an static analyzer warning

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-25 04:11:29 +00:00
Yuxuan Shui 4f1dddd072
-C and -G *disables* shadow, not enabling them
Well, I made a mistake.

Fixes #79

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-24 19:58:25 +00:00
Yuxuan Shui f41765fca5
Refactor setting the default winopts
Move filling winopts with default values to after command line options have
been parsed, not after parsing the config file. This is more intuitive.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-24 19:57:16 +00:00
Yuxuan Shui b434451abb
Lower x_print_error to log_debug
This information is only really useful for debugging anyway.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-22 14:29:26 +00:00
Yuxuan Shui 0c4b690b2b
First step of split backend into modules
This commit introduced a new, modular backend interface. The interface
is not very good, since I don't think I fully understand all the
requirements writing a backend have. But this is a good first step.

This commit also includes an initial xrender backend written using the
new interface, and some opengl backend related helper functions, which
are taken from the old opengl backend.

However, there is not integration with the core compton yet. compton
will still use the old backend code. This commit is here so we can get
the automated build test.

What is implemented in the new xrender backend:

* Windows with transparency
* Shadow
* Opacity
* Wallpaper (getting the root pixmap)
* Blur

Known problem with the xrender backend:

* It is slower

Things that still need to be figured out:

* What is the better way to add vsync to the new backends

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-22 00:50:25 +00:00
Yuxuan Shui 2cf04544d8
Add some window related helper
For the backend refactoring.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-22 00:34:08 +00:00
Yuxuan Shui db5a78790c
Make make_shadow() public
Some the refactored backends can use it.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-22 00:30:45 +00:00
yshui 7993758bf9
Merge pull request #74 from Avi-D-coder/next
Fix compile errors triggered by vsync-drm option
2018-12-22 00:13:52 +00:00
Yuxuan Shui 6c00d46d7a
Some new x helper functions
They should be useful for the refactored backends.

Renamed x_create_picture to x_create_picture_with_pictfmt.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 23:47:31 +00:00
Yuxuan Shui f8c86d51b3
Mark fallthrough switch case
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 23:04:51 +00:00
Yuxuan Shui e211c395fa
Append to log file, not overwrite
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 23:02:19 +00:00
Yuxuan Shui 8bb7027393
Fix memory leak in get_cfg
When setting --shadow-exclude-reg from both the config file and the
command line, one of the strings is not freed.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 22:59:28 +00:00
Yuxuan Shui 7915ade1be
Make --logpath work again
Also add a new option "log-file" to config file and command line, it
doesn the same thing as --logpath.

--logpath was never documented, and "log-file" is more consistent with
the naming of options.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 22:59:21 +00:00
Avi ד 09e372cc9d Fix vsync-drm 2018-12-21 17:25:24 -05:00
Yuxuan Shui c8a9f32b05
Add debug logging to get_atom
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 17:22:10 +00:00
Yuxuan Shui cb7d852b0f
Clean up options/config file parsing
* Pass a options_t, not session_t
* Slightly improve error handling when setting vsync method via dbus

The goal here is to limit the scope of what a given function can access.
And session_t contains basically everything, so don't pass it around.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 17:21:52 +00:00
Yuxuan Shui ee2be09958
Rename argparse.* to options.*
Seems to be a more appropriate name.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-21 13:10:49 +00:00
Yuxuan Shui 2a2958b68d
Split the first and second pass of get_cfg
They are not separate functions

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 23:58:47 +00:00
Yuxuan Shui 9b121447b9
Remove a couple of unwanted options
* -d: because the standard way is to use $DISPLAY
* no-name-pixmap: undocumented debugging option
* -S: debugging option, not very useful

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 23:44:38 +00:00
Yuxuan Shui 9880245200
Move get_cfg and usage out of compton.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 23:12:38 +00:00
Yuxuan Shui 4ff9e810ff
Sort out the dbus function prototypes
* Moved dbus prototypes from common.h to dbus.h
* Removed private function prototypes from dbus.h
* Removed private macros from dbus.h
* Hide dbus types from common.h

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 23:12:27 +00:00
Yuxuan Shui abeb294508
Remove printf_* macros
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 17:36:23 +00:00
Yuxuan Shui a6fef8e8fb
Convert printf_* from config.c and config_libconfig.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 17:35:45 +00:00
Yuxuan Shui d8198926dc
Convert printf_* in opengl.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 17:24:03 +00:00
Yuxuan Shui 24dd8ee120
Convert printf_* in vsync.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 17:19:41 +00:00
Yuxuan Shui 9b5db1f0aa
Convert printf_* in c2.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 17:16:20 +00:00
Yuxuan Shui 832601354a
Convert printf_* in render.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 17:03:27 +00:00
Yuxuan Shui b5b0f4af7f
Convert printf_errf/dbgf in several files
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 16:54:51 +00:00
Yuxuan Shui 3966491846
Convert printf_errf/dbgf in opengl.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 16:50:11 +00:00
Yuxuan Shui 22669889eb
Don't report allocation failure via logging
They will be reported by allocchk and will abort the program. There is
no point to log them.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 14:23:06 +00:00
Yuxuan Shui 1ea611c90e
Improved allocation failure reporting
Now it reports file and line number of the function too.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 14:19:10 +00:00
Yuxuan Shui 6f0daf8076
Add a writev interface for log targets
So some log targets can be more efficient and allocate less memory.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 04:45:07 +00:00
Yuxuan Shui 26807e74d9
Convert printf_errf in dbus.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 04:02:37 +00:00
Yuxuan Shui 2af0b48c7b
Convert printf_errf in common.h
And remove some unused functions.

And improve some error messages.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 03:56:37 +00:00
Yuxuan Shui 833eb966f1
Convert print_errf/dbgf in win.c and compton.c
And improve some of the log messages. Like, when compton exits because
of unsupported options, explain which options are causing compton to
quit.

Convert some debugging messages that are guarded behind ifdef's to log_trace,
so user don't need to re-compile to enabled them.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 03:56:31 +00:00
Yuxuan Shui 185c0ce97c
Guard log_printf in LOG macros with a log level check
So that the format arguments will only be evaluated if the log is
enabled by the log level. Allow us to add more expensive logs without
impact performance when they are not enabled.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 02:34:45 +00:00
Yuxuan Shui fc57c7b55b
Add a FATAL ERROR log level
For errors that cause compton to quit

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 02:02:08 +00:00
Yuxuan Shui d9409ae2c9
Add command line and config file option log-level
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 01:26:04 +00:00
Yuxuan Shui 1bcd7f2f7a
Add a simple logging framework
It's not very pretty now, but it will get better.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 01:02:56 +00:00
Yuxuan Shui 4040ad259d
Add compiler dependent macros for thread_local
Also add stdc-predef.h because __STDC_NO_THREADS__ is defined there.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-20 00:46:38 +00:00
Yuxuan Shui 8bc052929e
Enable -Werror in CI
And fixes some warnings.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-19 23:41:58 +00:00
Yuxuan Shui e58cbf8add
Convert non-mandatory attributes to macros
They're shorter and more portable.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-19 20:50:02 +00:00
Yuxuan Shui 5f57cb41f9
A bit more compiler dependent macros
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-19 20:36:05 +00:00
Yuxuan Shui 7901b86024
Make sure vsync arrays are big enough
Fix array boundary overrun

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-17 00:51:27 +00:00
Yuxuan Shui eabe2b5bb8
Explicitly cast X sequence number
Fix an undefined behavior.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-17 00:51:27 +00:00
Yuxuan Shui 50ea3617ef
Move some deinitialization to render.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 03:00:56 +00:00
Yuxuan Shui e7a15ba846
Format changes
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 02:50:39 +00:00
Yuxuan Shui 404a6b47ad
Move presum_gaussian to render.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 02:49:41 +00:00
Yuxuan Shui a48e1f65a9
Fix building with opengl, again
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 02:48:02 +00:00
Yuxuan Shui 9ce1387f52
Move a few more functions into render.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 00:53:54 +00:00
Yuxuan Shui e29d9510ed
Remove a debug message
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 00:52:45 +00:00
Yuxuan Shui baeb4572ff
Move rendering related functions out of compton.c
Moved:
* Blur kernel related functions to kernel.c
* Vsync related functions to vsync.c
* paint related functions to render.c

This will make the `split-backend` branch easier to rebase.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-16 00:50:46 +00:00
Yuxuan Shui 85c5d34ce1
Add missing CONFIG_OPENGL check
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 20:09:49 +00:00
Yuxuan Shui 94b1bc0387
Use libxdg-basedir for finding config files
Also add a new config file path:
{$XDG_CONFIG_DIRS,$XDG_CONFIG_HOME}/compton/compton.conf

(For those not familiar with xdg: now compton will look for
~/.config/compton/compton.conf too)

Closes #62

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 19:53:16 +00:00
Yuxuan Shui 68873efaa2
Move likely/unlikely to compiler.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 19:14:01 +00:00
Yuxuan Shui b73dce1d6d
Replace mstrcpy, mstrncpy with strdup, strndup
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 19:07:14 +00:00
Yuxuan Shui b8912fa749
Use checked allocation everywhere
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 18:57:46 +00:00
Yuxuan Shui acb81bc9a9
Add log.h to files that need it
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 17:53:17 +00:00
Yuxuan Shui 0cebbc370a
Function movements
* string functions mstr*() are moved to string_utils.c
* allocation wrappers are moved to utils.h
* printf_* functions are moved to log.h

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-15 17:43:36 +00:00
Dan Elkouby 6195422c66 Swap control only works with OpenGL 2018-12-15 11:22:38 +02:00
Dan Elkouby e2182bb00b Work around mesa's default-on swap control 2018-12-14 19:25:05 +02:00
Dan Elkouby de1cce21ba Merge opengl-{,m}swc vsync methods
Both methods are redundant. Prefer Mesa's own extension when available,
fall back to the old SGI extension otherwise (NVIDIA drivers for the
most part).
2018-12-14 19:24:03 +02:00
Yuxuan Shui 0899a9689e
Remove unused variable in paint_preprocess
And fix a memory leak caused by it.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-09 21:00:32 +00:00
Yuxuan Shui 345bacf3b3
Convert wid_get_prop to xcb
This should give us sane item size, i.e. the item has the same number of
bits their format says they have.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-09 20:54:16 +00:00
Yuxuan Shui 8805cfa986
Move winprop_t to win.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-09 20:25:09 +00:00
Yuxuan Shui 733d5dcf54
Fix pointer types of winprop_t
Foolish of me to assume the returned window property items have the same
number of bits their format says they have.

Apparently, format = 32 means the return items are 64 bits long (on
64-bit machines).

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-09 20:19:13 +00:00
Yuxuan Shui dffde065b1
Make the shadow actually gaussian
The old shadow kernel formula is not "wrong" per se, as the only judge
is if it looks good. However, the formula used is not really gaussian.
Also, the kernel size calculation doesn't really make sense to me.

This commit change the kernel formula to actually use a gaussian
distribution. As far as I can tell, there is no perceivable difference.
Except now the effective shadow radius is smaller for the same config.

Also, made that part of code a bit more mordern.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-09 02:07:08 +00:00
Yuxuan Shui da3df75a8c
Make sure the vsync methods are really available
libglvnd seems to return a pointer to a function that does NOTHING
for things the backing driver doesn't support.

So we check if the extension is actually advertised before using it.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-08 18:22:59 +00:00
Yuxuan Shui f83eb79c05
Add wintype option `redir-ignore`.
This cause certain window types to be ignored in deciding whether the
screen should be redirected after being unredirected.

Fixes #58

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-04 16:36:49 +00:00
Yuxuan Shui 8f05b03411
Move the initialization of wintype options into common function
Make sure the wintype options are properly initialized even when there
is no config file specified/supported.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-04 16:29:32 +00:00
Yuxuan Shui f97cf48865
Clean up the wintype option logic
I just realized wintype option shadow and fade never worked. If you set
the global shadow option to true, wintype shadow option will have no effect.

Now the wintype options will properly override the global ones.

Also remove deprecated options from compton.sample.conf.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-12-04 15:13:08 +00:00
Yuxuan Shui a3f753105f Don't allocate libev struct separately
Elimiate some annoying types.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-27 00:32:08 +00:00
Yuxuan Shui 531aafabb5 Fix SIGUSR1 handling
Calling ev_break() in a signal handler doesn't work. Instead, we setup a
libev ev_signal handler for this.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-26 23:57:55 +00:00
Yuxuan Shui b89dadec40 Fix a wrong type
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-26 23:57:55 +00:00
Yuxuan Shui 2827a020a4 Handle SIGINT
Exit gracefully so sanitizer can do their jobs.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-26 23:57:55 +00:00
Yuxuan Shui 90a4b201bd Re-word some of the comments
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-26 23:57:55 +00:00
Yuxuan Shui 010a0c34ca Don't delay update when refresh rate is not available
Fix a divide by zero in delay time calculation.

Fixes #56
2018-11-26 16:53:57 +00:00
Yuxuan Shui 0a6f48dba2 Support all alpha values
Remove alpha_step, and support all 256 alpha values.

1 pixel pictures don't really use that many resources.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-19 12:43:46 +00:00
yshui c389a1335d
Merge pull request #46 from yshui/full-shadow
Add per window type option full-shadow
2018-11-19 12:31:11 +00:00
Yuxuan Shui f834cf20ae Print deprecation message for --glx-fshader-win
No functionality is removed in this commit.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-11 19:38:58 +00:00
Yuxuan Shui bcab5d1518 Workaround the incompatibility between DRI2 and xcb
When using DRI2, Mesa uses XESetWireToEvent to hook into Xlib's event
handling loop, so it can get notified when certain DRI2 event happens,
which is crucial to the normal functioning of GLX.

When xcb is owning the event queue (meaning libxcb is doing all the
event handling), those functions registered by Mesa will never be
called, thus GLX will malfunction, leading to screen flickers or visual
artifacts.

This commit uses a hack from Qt to manually call those functions in
compton.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-10 22:25:41 +00:00
Yuxuan Shui 03ff094f75 Remove GLX sync fence code
It was never enabled in the old version of compton anyway.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-10 22:16:30 +00:00
Yuxuan Shui 45a260b433 Print warning messages for multipass blur
Multipass blur is not properly implemented for xrender backend. There is
visible artifacts when it is used. And it is quite difficult to
implement correctly and efficiently for the xrender backend.

Print a warning message for multipass blur so we can survey whether it
is actually been used.

No functionality is removed in this commit.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-10 14:57:41 +00:00
Yuxuan Shui 683cda0b91 Set clip region on the target picture
Setting it on the target buffer picture has no effect. Fix performance
problem when using xrender with virtual box.

Fixes #40

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-10 12:55:08 +00:00
Yuxuan Shui 46d162cec9 Print useful message when clear-shadow is used
Points the user to the full-shadow per window type option.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-09 21:04:22 +00:00
Yuxuan Shui 0dcb0e0dc6 Add per window type option full-shadow
When this option is enabled for a window type, shadow will be drawn in
areas that are obscure by the shape of the window.

Useful when the given window type has parts of the window transparent,
and you want to have shadows in those areas.

Fixes #45

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-09 19:56:05 +00:00
Yuxuan Shui b18d46bcbd Revert "Remove xrender-sync and xrender-sync-fence"
This reverts commit 50e2259404.

Temporarily revert the removal until we have more information about this whole
thing.

Turns out a couple of drivers don't work properly without the sync fence,
including intel, llvmpipe and NVIDIA.

Although sync fence is needed, from the information I have gathered (looking
at old bug reports, protocol specifications, look at other compositors' code),
compton's usage of it is not proper. So we need to rewrite it in the future,
after we get more information from driver developers.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-08 18:07:18 +00:00
Yuxuan Shui 2b0b7435df Convert some Xlib constants to xcb
And remove some Xlib headers

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-04 18:58:05 +00:00
Yuxuan Shui 471f6f90ff Remove some unnecessary macros
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-04 18:54:37 +00:00
Yuxuan Shui 06abd7b041 Fix xr_glx_hybrid backend
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-04 13:49:55 +00:00
Yuxuan Shui 796b0e0448 Move private functions from compton.h to compton.c
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-03 22:38:33 +00:00
Yuxuan Shui 332a873729 Add --diagnostics option
It will cause compton to print out some rudimentary diagnostics.

Also small improvements of the meson.build.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-03 22:37:18 +00:00
Yuxuan Shui e142993bb5 Enable paint-on-overlay whenever possible
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-03 22:36:52 +00:00
Yuxuan Shui f65d7b2e64 Fix unsupported optimize attribute on clang
Use optnone instead, this does require a more recent clang though. In
general, just don't use -ffast-math.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-03 14:05:13 +00:00
Yuxuan Shui be09a9a835 Workaround compiling with -ffast-math
And add a compiler warning.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-02 13:57:42 +00:00
Yuxuan Shui 45e9530bcb Update bounding shape when a window is mapped
Fixes #35

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-01 21:06:40 +00:00
Yuxuan Shui 4f4201976d Fix signedness of x properties
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-11-01 11:12:46 +00:00
Yuxuan Shui 32e0b45255 Sanitize opacity data get from window props
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-31 23:18:10 +00:00
Yuxuan Shui d7b5104fd4 Remove poll.h include 2018-10-30 22:18:10 +00:00
Yuxuan Shui c0d7f9d915 Add damage when restacking windows
Interesting this problem only surface when using GTK applications on
KDE. Maybe on other WMs there are some other events after window
restacking that triggers repaint of the window.

Fixes #28

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-29 17:16:56 +00:00
Yuxuan Shui a312dcb3da Remove a debug message
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-29 13:36:48 +00:00
Yuxuan Shui 50e2259404 Remove xrender-sync and xrender-sync-fence
This was a dubious "fix" for a Nvidia driver problem. The problem was
never fully understood, and the then developers took a shotgun approach
and implemented xsync fences as a fix. Which somehow fixed the problem.
Again, I don't see any indication that the developers understood why
this "fix" worked.

(for details, see chjj/compton#152 and chjj/compton#181)

The driver problem should have been fixed almost 5 years ago. So this
shouldn't be needed anymore. In addition the way compton uses xsync fences
is apparently wrong according to the xsync spec (fences are attached to
screen, but compton uses them as if they were attached to drawables).

So, I will try removing it and see if anyone will complain. If there are
real concrete reasons why fences are needed, it will be brought back.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-28 23:36:55 +00:00
Yuxuan Shui 5694e75932 Fix build when opengl is disabled, again
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-28 23:09:42 +00:00
Yuxuan Shui 309a4cec79 Make monitor_repaint an option
This is a potentially useful feature for debugging the xrender backend,
so make it a commandline option rather than an obscure compiler flag.

Also this is only usable with xrender, for glx there are better tools
for debugging.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui 551d487836 Remove some unused parameters
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui f519ee53c1 Remove support of Xdbe
--dbe does not seem to have an effect on tearing, as noted in the old
manpage, and confirmed by my own testing.

So remove it, since it complicates the logic of painting.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui 1f95c74a68 Move struct win to win.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui 0686300013 Move some common functions to utils.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui e13bc7fc51 Move common types to types.h
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui 3ffc0c77ed Replace get_alpha_pict with get_alpha_step
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-25 23:32:10 +01:00
Yuxuan Shui 16f202f4a0 Fix build when opengl is disabled 2018-10-25 23:31:57 +01:00
Yuxuan Shui df63cab39a Print messages about removed options
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-24 11:10:35 +01:00
Yuxuan Shui db700f9be1 Fix OOB when the number of screens change 2018-10-22 15:38:45 +01:00
Yuxuan Shui 0b866fb17f Hot fix: trail when moving windows around
Call win_on_factor_change when window is moved. This does some
duplicate work, but fix the problem for now.
2018-10-16 17:16:18 +01:00
Yuxuan Shui 4094d8b9c4 Add initial meson build scripts 2018-10-15 00:38:21 +01:00
Yuxuan Shui aa2098eefd Move w->bounding_shape to local coordinates
This way we don't need to update the bounding region after window moves.

Also add some comments about the coordinate systems in compton.
Also change a few function that takes a `bool global` parameter to
always return region in local coordinates.
2018-10-13 01:24:52 +01:00
Yuxuan Shui 4f071ffc30 Fix infinite recursive calls
win_rounded_corners is called by win_updated_bounding_shape, so there is
no need for the former to call the later.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-12 23:37:02 +01:00
Yuxuan Shui bbb73fe64e Fix integer overflow
`x + wid` will convert x to unsigned first, if x < 0, integer overflow
could occur.
2018-10-12 23:17:12 +01:00
Uli Schlachter 9bb3327549 Die when the X11 connection breaks
With libX11, the library calls an I/O error handler if the connection to
the server breaks. The default I/O error handler prints an error message
and calls exit(). This can be seen when running a "pre-xcb" compton
against Xephyr and then closing the Xephyr window:

XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":1"
      after 241 requests (241 known processed) with 0 events remaining.

The current compton would just continue running. After this commit, it
instead exits with this message:

handle_queued_x_events(): X11 server connection broke (error 1)

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:54:05 +01:00
Uli Schlachter 1c1adc96c8 Change event masks to XCB defines
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:54:05 +01:00
Uli Schlachter 37ef9c5b8a Add the xcb_connection_t to session_t
Signed-off-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-10 10:54:00 +01:00
Uli Schlachter 54807342f4 Convert XQueryTree to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:50:00 +01:00
Uli Schlachter 6c6156932f Convert find_client_win() to XCB
This function was the only caller of wid_get_children() which called
XQueryTree().

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:50:00 +01:00
Uli Schlachter b2bfbcdfb0 Convert XGetAtomName to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-10 10:49:52 +01:00
Uli Schlachter ca148c8f15 Fix printf format with DEBUG_EVENTS
Xlib uses unsigned long for XIDs, but xcb always uses uint32_t. Thus,
this needs the format string for uint32_t now.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:46:39 +01:00
Uli Schlachter 7e71f46401 Convert XInternAtom to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-10 10:46:34 +01:00
Uli Schlachter 2da0ecdf66 Convert XSelectInput() to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-10 10:42:12 +01:00
Uli Schlachter 1b1b3456bc Convert XGetSelectionOwner to XCB
This also fixes a memory leak: buf was not freed if another composite
manager was already running.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter 2dc90e7d4d Convert XGetInputFocus to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter 8db6473d32 Convert property management to XCB
I removed the error checking in compton.c because it was dead code.
XChangeProperty() always returns 1.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter a192bfb130 Replace XSetSelectionOwner with XCB
Note that the argument order is different between Xlib and XCB.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter 0cae42faaa Replace XDestroyWindow with xcb_destroy_window
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter e30ff25dd3 Replace XClearArea with xcb_clear_area
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter 28e9488e25 XCBify XCreateGC and XFreeGC
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter b86190452c XCBify X{Ung,G}abServer
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Uli Schlachter 3c5d7555a4 XCBify X{Unm,M}apWindow
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-10 10:41:40 +01:00
Yuxuan Shui 6a8df0ada7 Fix a leak of XFIXES regions 2018-10-09 22:24:00 +01:00
Yuxuan Shui 7b755a3cf0 Fix typo in CONTRIBUTORS, move licenses around
Having a LICENSE file makes github happy
2018-10-03 22:24:12 +01:00
Yuxuan Shui ee318582f5 Sort out license problems
IANAL, but I think I am allowed to add missing copyright notices for
someone else. And I did my best job using git history to figure out who
wrote which functions. So I hope everything is fine.
2018-10-03 22:14:51 +01:00
Yuxuan Shui 9e1422dc90 Fix parsing of shadow-exclude-reg
Closes #13

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-03 18:20:40 +01:00
Yuxuan Shui f1872c4033 Allocation for xinerama_scr_regs used wrong size
Should be sizeof(region_t). Rebasing is hard :(
2018-10-03 16:19:48 +01:00
Yuxuan Shui 2a4fed50f4 Use libev for inputs and timeouts
Bugs:

* There seems to be a noticeable frame loss when window
  is being opened/closed. But the same problem also exists
  in master/next, so this is not a regression.
* Using --sw-opti and --benchmark at the same time causing
  compton to draw more frequently than permitted by the
  arguments. That is because the sleep interval calculation
  is flawed. Not really a regression either.

Verified still working:

* Usual painting
* Fade
* Benchmark mode
* --sw-opti (with or without benchmark mode)
* DBus
* Unredir delay

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-10-03 01:05:32 +01:00
yshui e58de49d7a
Merge pull request #10 from psychon/remove-xfixes
Some more trivial Xlib -> XCB conversions
2018-10-02 21:38:28 +01:00
Yuxuan Shui d917ec22a8 Fix a typo in conversion to xcb damage 2018-10-02 21:25:09 +01:00
Uli Schlachter 385ba2cdf6 Remove unused definition
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-02 19:56:47 +02:00
Uli Schlachter cad786c025 Remove include of X11/Xutil.h
It doesn't seem to cause any problems. Perhaps its uses were already
converted to XCB?

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-02 19:54:20 +02:00
Uli Schlachter bc7767e086 Replace Xlib atom constants with XCB ones
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-02 19:53:28 +02:00
Uli Schlachter b2d947a19a Remove include of Xfixes.h
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-02 19:51:37 +02:00
Uli Schlachter 91468c3622 Replace BadRegion with XCB_XFIXES_BAD_REGION
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-02 19:51:30 +02:00
Uli Schlachter 7c174cc3b1 Replace XserverRegion with xcb_xfixes_region_t
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-10-02 19:50:27 +02:00
Yuxuan Shui cb4bab1cf6 Print deprecation warning for removed OpenGL options
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 21:07:29 +01:00
Yuxuan Shui 03f33ed45c Move a couple X related functions to x.c
Also replace remaining Pixmap with xcb_pixmap_t

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 20:57:42 +01:00
Yuxuan Shui ddab20176b Fix building with ENABLE_XRESCHECK=1 2018-09-30 20:43:34 +01:00
Yuxuan Shui 18022181ee Make sure to clear the rectangles 2018-09-30 20:41:30 +01:00
Yuxuan Shui 6a41bebfa5 Just clear shadow anyways
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 20:12:06 +01:00
Yuxuan Shui 97cd3421b0 Remove last bits of Xfixes
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 15:54:12 +01:00
Yuxuan Shui e0bc6f5f7c Add helper macros for calling xcb function and wait for reply
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 15:54:12 +01:00
Yuxuan Shui ff27ca4072 Move xerror_common to x.c
Also rename it to x_print_error

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 15:54:12 +01:00
Yuxuan Shui 915839c3d3 Convert XFixesCreateRegionFromWindow to use Shape directly
Fetch the rectangles directly use the Shape extension.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 15:54:12 +01:00
Yuxuan Shui 82e63593ae region.h: helper functions for converting rect types
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 15:54:12 +01:00
Yuxuan Shui a7d50ffdb2 Remove unused function rect_crop
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 15:54:12 +01:00
Yuxuan Shui 28a2cc62fa Convert XfixesRegion to pixman region
Re-did the painting logic, and document it.

It is unclear to me what is the previous painting logic. But the current
one is basically this:

1. Go through all windows top to bottom, and put visible windows (not
   unmapped, opacity > 0, etc) into a linked list, from bottom to top
2. Accumulate a region of ignore on each window, which is basically the
   region of screen that is obscured by all the windows above current
   one.
3. Paint all the visible windows from bottom to top. Subtract the region
   of ignore from the painting region. If we need to paint shadow, we
   subtract the body of the window from the shadow painting region too,
   because we don't want shadow behind the window.
4. region of ignore is invalidated when window stack change, an
   window on top moved or changed shape, when window changed between
   opaque and transparent, etc.

Notes:

It is unclear whether all the different shapes of a window (extents,
noframe, border, bounding shape, etc) are calculated correctly or not.

It is unclear if window shape related events are handled correctly or
not. Need more testing.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 14:18:33 +01:00
Yuxuan Shui 56f7dd36f6 x: Add region related helper functions
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 14:18:33 +01:00
Yuxuan Shui 3f4c05720d utils.h: Some utility functions and macros
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 14:18:33 +01:00
Yuxuan Shui ab12467c3f Change fade callback function parameter
Change `win *` to `win **`, because a window could be freed by the
callback, so we can set `*w` to NULL to communicate that.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 14:18:33 +01:00
Yuxuan Shui 417744df14 Move opengl related function prototype to opengl.h
And aggregate some of the OPENGL ifdefs

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 14:18:01 +01:00
Yuxuan Shui c01ad5bf04 Move OpenGL functions around
Also remove some debug function calls (there are better tools for opengl
debugging now). Also remove copysubbuffermesa

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 13:49:45 +01:00
Yuxuan Shui 90b6aa16ad Remove ARGB as a window mode
Instead use win_has_alpha to check for alpha channel, window mode is
reserved for determine if the window is possibly transparent.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2018-09-30 13:49:45 +01:00
Uli Schlachter 8848676540 Add a function that allocates a pixmap and checks success
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-30 09:31:22 +02:00
yshui 6ec951763e
Merge branch 'next' into more-xcb-conv 2018-09-30 04:53:34 +01:00
Uli Schlachter aedea014a9 Replace XFixes initialisation with xcb
XFixesQueryExtension() does an XFixes QueryVersion request internally,
so one was added here.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 17:02:44 +01:00
Uli Schlachter 529306e65f Convert usage of XCreatePixmap to xcb
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 12:00:18 +02:00
Uli Schlachter ea9942b87e Replace use of XFreePixmap with XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:53:30 +02:00
Uli Schlachter 9dff55540f Convert Xinerama usage to xcb
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:48:58 +02:00
Uli Schlachter 83a4853419 Convert use of SHAPE extension to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:48:58 +02:00
Uli Schlachter aa8cb217c8 Fix xcb error ignoring
The existing mechanism with set_ignore_next() is (IMHO) ugly and also
does not work with XCB requests. This commit adds a new function
set_ignore_cookie() and fixes callers that were converted to XCB to use
this new function instead.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:48:58 +02:00
Uli Schlachter 00ae9718ee Handle asyncronous X11 errors
Errors for requests sent via Xlib that expect a reply are handled via
XSetErrorHandler(), which sets up a callback function that Xlib calls.
Errors for requests that do not expect a reply or for errors caused via
unchecked XCB requests show up as events of type 0 in the event handling
function.

Before this commit, errors were ignored here. This commit changes the
code so that the errors are printed instead.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:48:58 +02:00
Uli Schlachter 3ed73b1f8e Replace last definitions from Xcomposite.h with xcb
Note that this adds an include for Xfixes.h, because that header is
still needed and was previously included through Xcomposite.h.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:48:57 +02:00
Uli Schlachter 2f49f6f03d Switch XComposite initialisation to XCB
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 11:48:57 +02:00
Uli Schlachter 8064eaaa37 Replace more usage of XComposite with xcb
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 10:38:25 +02:00
Uli Schlachter 79089b0652 Port XCompositeUnredirect{Subw,W}indows to xcb
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 10:37:53 +02:00
Uli Schlachter 11204e7a44 Port usage of XCompositeNameWindowPixmap to xcb
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-29 10:37:29 +02:00
Uli Schlachter 7719dc7325 RENDER: Fix check for convolution filter
The X11 server's answer is not \0-terminated, so xcb_str_name() also
does not provide a \0-terminated pointer.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-28 10:45:16 +02:00
Uli Schlachter 539d62ca93 Port from xrender to xcb-render
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-27 18:14:44 +02:00
Uli Schlachter 6d54d6b055 Port from xrandr to xcb-randr
Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-27 17:38:24 +02:00
Uli Schlachter 62b847323c Port from xdamage to xcb-damage
No functional changes intended. The new xcb_damage_query_version() was
previously done by XDamageQueryExtension() internally.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-27 17:29:51 +02:00
Uli Schlachter 0a98ef79ef Fix build with NO_LIBCONFIG=1
This got broken in commit fcef5e706d.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-09-27 17:10:43 +02:00
Yuxuan Shui 4da626639f Update comments about clear-shadow 2018-09-24 00:20:28 +01:00
Yuxuan Shui 6f59367c00 Remove the clear-shadow option
Shadows attached to ARGB/transparent windows are always cleared now.
2018-09-23 23:58:17 +01:00
Yuxuan Shui 209b751b25 Port more stuff to xcb
To avoid interoperability issues between xcb and xlib.
2018-09-23 22:58:49 +01:00
Yuxuan Shui 7af815a0aa Proper fix for screen freeze
If an X event is received at a very specific point in time, it can trigger
a race condition in Xlib. Said event will be read, but Xlib will
nonetheless be completely unaware of the event.

This cause compton to sometimes block on select() while there are events
ready to be processed. If the event is a damage report, screen freeze
will happen until some other event is received.

The proper fix is to switch to xcb for event handling, thus avoid this
problem entirely.
2018-09-22 23:57:51 +01:00
Yuxuan Shui 43f3744fea Revert "Workaround for what seems to be a race in Xserver"
This reverts commit 967d9f32ea.
2018-09-22 19:46:50 +01:00
Yuxuan Shui 967d9f32ea Workaround for what seems to be a race in Xserver
There seems to be a race between DamageAdd (what the client uses
to report damage to Xserver) and DamageSubtract (what compton uses
to clear the reported damage, so it can receive new ones). I am not
sure how to confirm this. But this (terrible) workaround seems to
solve this problem.
2018-09-10 13:46:24 +01:00
Yuxuan Shui 72231098d1 Refactoring
* Move code around
* Remove unneeded forward declaration
* Rename win->damaged to win->ever_damaged, to be less confusing
* Expose debug functions even when DEBUG is not enabled. Compiler
  would remove the dead code for us anyway.
* Some code cleanup
2018-09-10 13:46:24 +01:00
Yuxuan Shui 2adfdfa897 Clear prototypes 2018-09-10 13:46:24 +01:00
Yuxuan Shui d2b85dd6af Fix some null pointer problems 2018-09-10 13:46:24 +01:00
Yuxuan Shui 2e39fc5618 Split out win related functions to win.c
Also move static function prototypes out of compton.h. Seems like the
previous developers didn't know what header files are for.

Seems to have bugs after the split.
2018-09-10 13:46:24 +01:00
Yuxuan Shui 0d6b1627f2 Make gcc happy 2018-09-10 13:46:24 +01:00
Yuxuan Shui 571a6cf15f Enable everything OpenGL when using OpenGL
Remove finer grained macro definitions, just enable everything OpenGL
when we are using OpenGL.
2018-09-10 13:46:24 +01:00
Yuxuan Shui 3ce59930a4 More compiler warning flags 2018-09-10 13:46:22 +01:00
Yuxuan Shui 4940a93f03 c2.h cleanup
Move most of the static functions into c2.c itself, and
only keep the public functions in c2.h
2018-09-10 13:46:05 +01:00
Yuxuan Shui fcef5e706d Some cleanup work
* Remove NO_C2 option
* Split configuration related functions into their own file
* Drop support for libconfig < 1.4
* Fix dependencies in Makefile
2018-09-10 13:46:05 +01:00
Yuxuan Shui ba780659be Add repo info to usage string 2018-09-10 12:08:45 +01:00
Yuxuan Shui c8bfbd6b11 Allow setting active/inactive opacity to 0 2018-08-14 11:05:28 +01:00
Yuxuan Shui 15e3c525e3 Expose opacity_is_set, has_opacity_prop over dbus 2018-08-14 11:05:28 +01:00
Yuxuan Shui bfead72d37 Honor opacity explicitly set by rules 2018-08-14 11:05:28 +01:00
Yuxuan Shui 58a0b9ec39 Honor wintype opacity if set explicitly
Also normalize wintype opacity value to [0, 1]
2018-08-14 11:05:28 +01:00
Yuxuan Shui 66785aae99 Honor opacity prop if set
If opacity prop is explicitly set on the window, active/inactive opacity
shouldn't kick in.
2018-08-14 11:05:28 +01:00
Yuxuan Shui 91ca387723 Unify opacity_prop and opacity_prop_client
Also keep track of whether opacity prop is present on the window
2018-08-14 11:05:28 +01:00
Yuxuan Shui a1afb76c44 Warn about fallthrough
And fix some fallthroughs
2018-08-14 10:59:09 +01:00
Yuxuan Shui 27fc4a2af4 Clear compiler warnings
Thanks to chjj/compton#445
2018-05-17 12:50:22 +01:00
Yuxuan Shui af8a08e655 Remove blur limit
Thanks chjj/compton#414
2018-05-17 12:37:13 +01:00
Yuxuan Shui bf29b2dd37 Avoid using 10bit FBConfigs
Fix weird color issue with Mesa 18.0
2018-04-16 10:13:55 -04:00
Uli Schlachter 1125389910 Exit when compton loses the _NET_WM_CM_Sn selection
Again, this behaviour is required by ICCCM.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-04-16 10:13:55 -04:00
Uli Schlachter f8ea3e8668 Don't steal the _NET_WM_CM_Sn selection (#301)
Before becoming the selection owner for _NET_WM_CM_Sn, compton will now check if
that selection is already owned (which means that another composite manager is
already running). If this check fails, startup will be refused. This behaviour
is required by EWMH / ICCCM.

Because this should catch all composite managers, the error message that was
used before when another manager is already running is reworded to mention that
the other manager does not follow EWMH.

Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-04-16 10:13:55 -04:00
Yuxuan Shui cfdb946992 Avoid using window id as identifier in finish_destroy_win
Under extreme race conditions (window A close at the same time as window
B create), there can be multiple windows with same id in compton's window
list. If at this point window B closes itself as well, finish_destroy_win
might destroy a different window as what's passed to destroy_callback.

This can be a problem because someone can still hold a reference to that
window (e.g. 't' in paint_preprocess), and there's no way to clear that
reference. If finish_destroy_win always destroy the same window passed
to destroy_callback, this will not be a problem.
2018-04-16 10:13:55 -04:00
Yuxuan Shui f4f39d1989 Avoid changing fade_callback when window is destroyed
Fix assertion at src/compton.c:1261
2018-04-16 10:13:55 -04:00
Richard Grenville 2343e4bbd2 Misc #308: Close config file after using it
Misc #308: Close the config file after using it, instead of leaving it
open forever. Thanks to SyedAmerGilani for the report.
2015-09-22 08:34:28 +08:00
Richard Grenville 20e996494b Misc: Modify function attributes
- Remove the const function attribute from get_time_*(), since the
   functions they call that actually get the time probably access global
   variables or have other behaviors unacceptable for const functions.

 - Change the const function attribute on win_has_frame() to pure, as it
   accesses memory its parameter points to, which is invalid for a const
   function.
2015-09-06 22:34:02 +08:00
Richard Grenville c156abb0e8 Bug fix #302: Use more EWMH-compliant way to determine frame extents
Bug fix: Select the larger of the X window border width and
_NET_FRAME_EXTENTS, instead of adding them together, when determining
the frame extents. (Supposedly) more EWMH compliant, as EWMH
_NET_FRAME_EXTENTS should include the X window border width already. We
did not choose to completely rely on _NET_FRAME_EXTENTS to remove the
need to keep track of whether there is a _NET_FRAME_EXTENTS, and
(hopefully) take care of some cases when it is wrong. The commit should
fix awesomeWM/awesome#425. Thanks to psychon for the information. (#302)

The commit fixes the bug in win_get_region_noframe() that the X window
border width is not considered when determining the width/height of the
window without frame, as well.
2015-09-06 22:19:19 +08:00
Richard Grenville 7d4d87d683 Misc: Add margin_t & Store frame extents with it & Misc
- Add margin_t, a structure that represents margins around a rectangle.

 - Store frame extents of a window with margin_t, replacing the 4
   fields ({left,right,top,bottom}_width) in struct _win.

 - Add two helper macros, cmemzero() and cmemzero_one(), that zero out a
   block of memory.
2015-09-06 20:53:07 +08:00
Kevin Kelley 0e0b35a361 Plug XserverRegion leak. 2015-05-12 13:17:35 -07:00
Richard Grenville 663e1a1a04 Bug fix: --active-opacity state does not change correctly on `--focus-exclude`-ed windows
Fix the bug that --active-opacity state does not change
on `--focus-exclude`-ed windows correctly, since win_update_focused()
enables the WFLAG_OPCT_CHANGE flag on a window only if w->focused
changes, while --active-opacity depends on the output of
win_is_focused_real() instead of w->focused, which could be changed even
if w->focused does not change (e.g. when the window is
`--focus-exclude`-ed).
2015-02-24 21:08:29 +08:00
Richard Grenville 3b17fe15f0 Bug fix #263: Always redirect std{out,err} if --logpath is specified
Always redirect std{out,err} if --logpath is specified, instead of only
redirect after fork, to correct the inconsistent behavior of --logpath
when getppid() returns 1. (#263)
2015-01-26 21:28:48 +08:00
Richard Grenville e4ff1a5130 Misc: Update disabled-at-compile-time notes in the usage text
- Add disabled-at-compile-time note in usage text with NO_LIBCONFIG.

 - Fix the incorrect disabled-at-compile-time note for --backend.

 - Move position of the disabled-at-compile-time note of --dbus
   slightly.
2015-01-11 16:24:54 +08:00
Richard Grenville 03ebae4c33 Bug fix: Compilation failure with NO_VSYNC_OPENGL=1
Fix compilation failure with NO_VSYNC_OPENGL=1, caused by one
incorrectly placed "#endif" in "src/common.h".
2015-01-11 10:47:19 +08:00
Richard Grenville 65e655e3bc Bug fix: --no-fading-openclose doesn't work when fading out
- Fix the bug that --no-fading-openclose doesn not work when fading out
   by writing w->fade_last as well in win_determine_fade().

 - Write w->fade_last for applying w->fade_force, as well.
2014-11-30 15:39:07 +08:00
Richard Grenville 6d8fde457a Bug fix #244: Build failure with -DDEBUG_EVENTS
Fix build failure with -DDEBUG_EVENTS, caused by incorrect references to
X Sync macros. Thanks to blueyed for reporting. (#244)
2014-11-24 22:31:54 +08:00
Richard Grenville 5910dbae8a Misc #215: Reformat usage text & update docs
- Reformat usage text by adding a blank line between descriptions of
   two switches. (#215)

 - Update documentation for a bit. Correct some wrong statements and
   clarify some others.
2014-11-24 22:03:07 +08:00
Richard Grenville 651a66131f Bug fix #224: Flush after XUngrabServer()
Fix #224 by XFlush() after XUngrabServer(). Thanks to rathsky and smlx
for reporting.
2014-10-06 11:36:47 +08:00
Richard Grenville 8c88b4d6f1 Misc #204: Add glx_take_screenshot() & others
- Add glx_take_screenshot() for taking a screenshot. With ImageMagick
  the output data could be viewed in this way:

    display -size [SCREEN-WIDTH]x[SCREEN-HEIGHT] -depth 8 -flip
    rgb:[PATH]

  (#204)

- Add D-Bus command `opts_get string:paint_on_overlay_id` to get X
  Composite overlay window ID. (#204)

- Code cleanup.
2014-09-07 18:58:09 +08:00
Richard Grenville c5f45c8e3c Merge branch 'richardgv-dev' of github.com:chjj/compton into richardgv-dev 2014-09-07 16:07:26 +08:00
Richard Grenville 094b75eef7 Misc: Add --no-name-pixmap
Add --no-name-pixmap to disable the usage of
XCompositeNameWindowPixmap(), for debugging.
2014-09-07 16:05:14 +08:00
mæp 72301f9177 fix crash caused by free of uninitialized pointer 2014-08-06 20:42:57 +02:00
Richard Grenville 4f9050f53f Misc: Fix spelling mistakes
Still, "Guassian" -> "Gaussian". (#221)
2014-08-06 07:32:53 +08:00
Richard Grenville a801118c04 Bug fix: Fix X pixmap leakage in shadow_paint
- Fix X pixmap leakage in shadow_paint.

- Add the skeleton of a X resource leakage checker.
2014-08-03 19:40:40 +08:00
Richard Grenville 3cfbaac955 Misc: Fix compilation with NO_VSYNC_OPENGL_GLSL / NO_C2
Fix compilation with NO_VSYNC_OPENGL_GLSL / NO_C2.
2014-07-29 09:29:26 +08:00
Richard Grenville 4724c1f21a Misc #218: Warn about using --glx-no-rebind-pixmap on intel driver
Warn about using --glx-no-rebind-pixmap on xf86-video-intel. Thanks to
aktau for the info. (#218)
2014-07-28 16:54:02 +08:00
Richard Grenville 234e3e8cda Improvement: Separate GLX parts from session_t & Attempt to fix #217
- Separate GLX parts from session_t into glx_session_t.

- Add --rererdir-on-root-change and --glx-reinit-on-root-change, as
  possible solutions for #217. Thanks to jlindgren90 for reporting.
2014-07-28 12:50:15 +08:00
Richard Grenville 4e8ccea252 Misc: Add --version & --no-x-selection
- Add --version. (#206)

- Add --no-x-selection for debugging. (#207)
2014-07-13 09:34:38 +08:00
Michael Reed a29b7958cf whitespace cleanup 2014-07-04 06:27:13 -04:00
Richard Grenville 3a3e1387ac Misc #205: Add 2 long options & Update documentation
- Add two long variants of short options.

- Update documentation.
2014-06-15 11:51:59 +08:00
Richard Grenville 81c677f28b Feature: #183 custom window shader & #193 --no-fading-destroyed-argb
- Add --glx-fshader-win, which specifies a custom fragment shader for
  painting windows. compton-default-fshader-win.glsl is the shader with
  default behavior, and compton-fake-transparency-fshader-win.glsl
  provides a template of fake transparency. (#183)

- Add --force-win-blend to force all windows to be painted with
  blending.

- Add --no-fading-destroyed-argb, as a workaround of bugs in some WMs.
  (#193)
2014-05-16 15:18:17 +08:00
Richard Grenville bb55706c05 Bug fix #195: Pointer incompatibility with libconfig-1.3*
Fix pointer incompatibility with libconfig-1.3*. Thanks to
sstewartgallus for reporting. (#195)
2014-05-10 12:21:23 +08:00
Richard Grenville 349af129b8 Bug fix #194: Fix assertion failure in some cases
Fix assertion failure when evaluating --unredir-if-possible-exclude or
--paint-exclude on unmapped windows. Thanks to ppuryear for reporting.
(#194)
2014-04-28 21:21:16 +08:00
Richard Grenville ef58e4e417 Bug fix #191: Add rounded-corners detection to --unredir-if-possible
Add `bounding_shape` and `rounded_corners` as condition match target.
Deprecate --shadow-ignore-shaped. Add rounded-corners detection to
win_is_fullscreen(). Slightly modify win_rounded_corners() logic. Thanks
to tdryer for reporting. (#191)
2014-04-21 22:45:27 +08:00
Richard Grenville 15cd6aad38 Misc: Fix a possible assert() failure 2014-04-21 07:49:29 +08:00
Richard Grenville b7b043c3cc Bug fix #190: Copy shadow/fade state from last paint on unmapped wins
Copy shadow/fade/color-inversion/background-blur state from last paint
on unmapped windows. I hope it doesn't have unexpected side effects.
(#190)
2014-04-19 21:52:20 +08:00
Richard Grenville 9a99e7a0dd Misc: Try to avoid evaluating conditions after window unmap & others
- Try to avoid evaluating conditions after window unmap/destruction.
  Unfortunately, frequently this doesn't work due to the asynchronous
  nature of X.

- Add _GTK_FRAME_EXTENTS exclusion rules to compton.sample.conf. Thanks
  to memeplex, hexchain, and others for info. (#189)

- Add debugging option --show-all-xerrors, and other debugging changes.
  Doc update.
2014-04-19 19:41:26 +08:00
Richard Grenville 360da12d86 Misc: Add --xrender-sync{,-fence} as configuration file option
- Add --xrender-sync{,-fence} as configuration file option.

- Quit on encountering invalid opacity rule.

- Other small changes.
2014-03-26 22:27:25 +08:00
Richard Grenville e4f3a2d77a Bug fix #181: Add --xrender-sync{,-fence}
- Add --xrender-sync{,-fence} to deal with redraw lag issue on GLX
  backend. --xrender-sync-fence requires a sufficiently new xorg-server
  and libXext. NO_XSYNC=1 may be used to disable it at compile time.
  Thanks to tchebb for reporting and everybody else for testing. (#181)

- A bit code clean-up. Replace a few XSync() with XFlush() to minimize
  the latency.
2014-03-17 23:25:34 +08:00
Richard Grenville 9950d08ab7 Misc: xr-glx-hybrid alias & minor fixes
- Add "xr-glx-hybrid" as an alias of "xr_glx_hybrid". (#163)

- Clear damage history in expose_root() and when root window size
  changes. Unfortunately this doesn't fix #181.
2014-03-11 07:22:23 +08:00
Richard Grenville 8a5becf617 Bug fix: Fix -S
Fix the broken -S.
2014-02-27 22:08:30 +08:00
Richard Grenville aeda1482ce Bug fix: Fix access to freed memory due to invalid w->prev_trans
- Fix a bug that w->prev_trans sometimes points to freed memory.
  Probably related to #165.

- Add some more debugging printf()-s under DEBUG_EVENTS.
2014-01-21 22:13:06 +08:00
Richard Grenville f1f7b050af Bug fix #163: xr_glx_hybrid: Flickering issue
xr_glx_hybrid backend: Attempt to fix flickering issue. Thanks to cju
for testing.
2014-01-19 08:04:14 +08:00
Richard Grenville 3e783f3e1e Misc #163: Make usage of glFinish() optional
Make usage of glFinish() optional to avoid high CPU usage. (#163)
2013-12-26 20:43:06 +08:00
Richard Grenville 9e053910f2 Misc #152: Fix a spelling mistake
Fix a spelling mistake (xr_glx_hybird -> xr_glx_hybrid). Thanks to cju
for reporting.
2013-12-24 07:46:48 +08:00
Richard Grenville fbd70e146c Feature: Add XRender-GLX hybird backend
- Add new backend "xr_glx_hybird", which uses X Render for all
  compositing but GLX on the last step of rendering to screen.  This
  makes GLX-backend-specific VSync methods usable while may avoid
  certain bugs with GLX backend. The idea comes from ali1234.
  Experimental.

- GLX backend: Stop using or rendering to depth buffer.

- Use glFinish() instead of glFlush() before VSync. It probably uses
  more CPU but could be more reliable than glFlush().
2013-12-10 22:06:02 +08:00
Richard Grenville c02a867e6f Misc: Add properties to the registration window
Add WM_CLASS, COMPTON_VERSION, and _NET_WM_PID properties to the
registration window, to ease the development of pcman's compton-conf.
2013-11-10 10:13:18 +08:00
Richard Grenville 46e6abdd2a Misc: --write-pid-path & small changes
- 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.
2013-11-09 21:38:31 +08:00
Richard Grenville d8977408fd Bug fix #153: Possible fix for a rare timing issue
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)
2013-10-21 22:17:01 +08:00
Richard Grenville 796e2c6fec Bug fix #149: --opacity-rule misbehaves on 32-bit systems & others
- 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.
2013-10-01 23:20:22 +08:00
Richard Grenville fc8ec8851f Misc: Typo in vsync_opengl_init()
I typed ps->glXGetVideoSyncSGI as ps->glXWaitVideoSyncSGI...
2013-09-26 07:41:11 +08:00
Richard Grenville f202223572 Misc: Add cfg file options for --unredir-if-possible-*
Add configuration file options for
--unredir-if-possible-{delay,exclude}. (#140)
2013-09-24 20:41:50 +08:00
Richard Grenville 4bd3db2bc7 Bug fix #99: Rewrite focus detection logic
- 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.
2013-09-18 22:41:40 +08:00
Richard Grenville 747ffaef0f Bug fix #144: Workaround for insane window type changes
Dynamically detect window type as a workaround to insane applications.
Thanks to Feltzer for reporting. (#144)
2013-09-15 11:07:49 +08:00
Richard Grenville 926ae379ba Bug fix #143: GLSL shader error on European locales
Set LC_NUMERIC=C when generating GLSL shader strings to avoid decimal
point issues on European locales. Thanks to hiciu for reporting.
2013-09-15 08:56:53 +08:00
Richard Grenville 5da802634a Bug fix #143: Move setlocale(LC_NUMERIC, "C")
Move setlocale(LC_NUMERIC, "C") to a better place, in hope to fix #143.
Thanks to hiciu for reporting!
2013-09-14 10:04:38 +08:00
Richard Grenville e9d187f03e Bug fix #140: Possible fix for CPU usage with --unredir-possible-delay
- 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.
2013-09-12 21:23:20 +08:00
Richard Grenville 4acbd56722 Improvement: --unredir-if-possible-exclude & --unredir-if-possible-delay
- 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.
2013-09-04 22:00:51 +08:00
Richard Grenville 5350127b72 Misc: GLX: Avoid using multi-sampling visuals
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
2013-09-03 21:14:40 +08:00
Richard Grenville 4600f435dd Bug fix #137: Auto-detect screen changes
Attempt to auto-detect screen changes to address the issue reported by
Feltzer.
2013-08-28 21:54:04 +08:00
Richard Grenville 5d4ed8f43f Misc: Add missing configuration file options and switches
- Add "xinerama_shadow_crop" configuration option.

- Add long commandline switches corresponding to the short ones.

- Documentation update.
2013-08-26 22:00:53 +08:00
Richard Grenville 3e71f8fa25 Improvement #137: --xinerama-shadow-crop
Add --xinerama-shadow-crop to crop shadow to current Xinerama screen.
Thanks to Feltzer for suggestion.
2013-08-22 21:44:15 +08:00
Richard Grenville 7417f0deee Misc: stoppaint_force & Documentation update
- 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.
2013-07-30 22:24:11 +08:00
Richard Grenville b46deb5162 Improvement #41: Enable/disable redirection through D-Bus
- Add "redirected_force" to D-Bus opts_get to forcefully
  redirect/unredirect windows.

- Add D-Bus method "repaint", to, namely, repaint the screen.
2013-07-26 13:02:06 +08:00
Richard Grenville b1e0ef8ecd Bug fix #124: GLX: Missing check on FBConfig X visual depth
- Check FBConfig X visual depth, like Compiz, to fix issues with
  nvidia-drivers-325.08 . Thanks to guotsuan for reporting.
2013-07-05 23:22:58 +08:00
Richard Grenville b26bbc0099 Misc: OpenGL 3.0 compatibility & misc
- 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)
2013-06-25 23:08:41 +08:00
Richard Grenville c02b3fadf0 Misc: --paint-exclude & #119
- 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.
2013-06-19 19:36:48 +08:00
Richard Grenville 044a5c991c Feature #116: Shadow exclusion region
- 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.
2013-06-09 17:09:28 +08:00
Richard Grenville 75ebd56f74 Feature #113: Set opacity based on conditions
- 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.
2013-05-21 09:26:18 +08:00
Richard Grenville 07bc7485c3 Imp: Multi-pass blur & D-Bus fading control
- 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.
2013-05-20 18:16:27 +08:00
Richard Grenville 57d8b940e7 Misc: Add DEBUG_GLX_MARK & Misc
- 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)
2013-05-12 18:21:16 +08:00
Richard Grenville 90099d371d Bug fix: Compilation failure with NO_LIBCONFIG / NO_C2
- Fix compilation failure with NO_LIBCONFIG or NO_C2. Thanks to
  Spaulding for reporting.
2013-05-09 21:47:09 +08:00
Richard Grenville 48fb54dfae Misc: Add DEBUG_GLX_PAINTREG
- GLX: Add DEBUG_GLX_PAINTREG, for debugging painting region issues, for
  p4ddy's problem.
2013-05-09 09:43:40 +08:00
Richard Grenville 1c66237f99 Imp: Fix GL_TEXTURE_RECTANGLE & Enhance --glx-copy-from-front
- 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
2013-05-08 22:50:02 +08:00
Richard Grenville 7a4f5920d8 Misc: Validate wallpaper pixmap & Documentation update
- Split Pixmap validation out to validate_pixmap(). Validate wallpaper
  Pixmap as well.

- Update README.md and man page.
2013-05-01 22:08:43 +08:00
Richard Grenville a3f6f4442b Improvement: Add predefined blur kernels
- Add a few predefined blur kernels, requested by jerri in #104.

- Add compton-convgen.py to generate blur kernels.
2013-04-29 22:42:46 +08:00
Richard Grenville abd559c512 Bug fix: Fix a BadRegion error with --glx-use-copysubbuffermesa
Just a small and mostly harmless issue. Sorry, didn't test throughly.
2013-04-27 20:43:39 +08:00
Richard Grenville 3f00b3622c Bug fix: Fix --resize-damage
- 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.
2013-04-27 17:44:10 +08:00
Richard Grenville 8113e4e3b4 Improvement: --resize-damage
- 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.
2013-04-27 11:43:11 +08:00
Richard Grenville c93d8830ff Misc: Fix gcc error
Fix gcc compilation error about "initializer element is not constant".
2013-04-26 16:14:37 +08:00
Richard Grenville 5d654e6877 Improvement: Enhance --glx-swap-method
- Enhance --glx-swap-method to support longer buffers ages (3-6), and
  automatic buffer age detection via GLX_EXT_buffer_age.
2013-04-26 14:01:20 +08:00
Richard Grenville 2e6fb0203d Improvement: --blur-kern
- 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.
2013-04-25 22:23:35 +08:00
Richard Grenville 4a4f857cc2 Misc: Fix wrong description & DEBUG_GLX_ERR
- Fix description of "opengl" VSync.

- Add DEBUG_GLX_ERR to check for OpenGL errors.

- Update man page.
2013-04-25 09:27:14 +08:00
Richard Grenville 85e7d18803 Improvement: --glx-swap-method & --fade-exclude
- 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.
2013-04-21 22:30:22 +08:00
Richard Grenville a053c0ac64 Bug fix: GLX: Fix dim and blur with --glx-no-stencil
- 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.
2013-04-06 20:21:38 +08:00
Richard Grenville e3a15d5f94 Improvement: GLX: Cache region contents & --glx-no-rebind-pixmap
- 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.
2013-04-05 21:05:19 +08:00
Richard Grenville 6ef23e066f Misc: Workaround for some missing definitions
- Add workarounds for missing GL_TEXTURE_RECTANGLE and PictOpDifference
  definitions in broken GL headers / old X Composite headers.
2013-04-03 10:53:04 +08:00
Richard Grenville dfd4dd1122 Feature #4: Default active window opacity
- Add default active window opacity (--active-opacity). (#4)

- Add win_focusin and win_focusout D-Bus signals.
2013-03-30 12:27:27 +08:00
Richard Grenville 9e607b2543 Bug fix: GLX: Fix --inactive-dim & fix color inversion
- 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.
2013-03-25 11:36:39 +08:00
Richard Grenville 75912d23f3 Improvement: --blur-background-exclude #98 & MESA_swap_control & others
- 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.
2013-03-23 22:06:41 +08:00
Richard Grenville 65cda415dd Bug fix: Incorrect handling when a window is placed on bottom
- Fix a bug that ConfigureNotify placing a window in bottom
  (ConfigureNotify with .new_above == 0) is not correctly handled,
  introduced in 1a88e3d0c5.
2013-03-22 16:44:03 +08:00
Richard Grenville 4b734c1fa1 Improvement: --glx-use-copysubbuffermesa
- 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.
2013-03-21 13:05:56 +08:00
Richard Grenville 8208ec6dc8 Feature #69: GLX: Blur background
- 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.
2013-03-20 17:29:45 +08:00
Richard Grenville 725bc40a65 Improvement: --glx-copy-from-front & benchmark mode
- 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.
2013-03-19 20:58:55 +08:00
Richard Grenville a41f05ea92 Improvement: GLX: Use SCISSOR_TEST instead of STENCIL_TEST when possible
- 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)
2013-03-18 19:01:18 +08:00
Richard Grenville 1a88e3d0c5 Bug fix: GLX: ARGB texture too dark & Jitter when resize & others
- 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.
2013-03-18 13:29:14 +08:00
Richard Grenville b6a99334ce Bug fix: GLX backend incompatibility with VirtualBox & others
- 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.
2013-03-17 12:14:00 +08:00
Richard Grenville 66be1f2fe1 Bug fix: GLX backend incompatibility with mesa & others
- Fix a bug that glx_bind_pixmap() doesn't work with mesa drivers.
  Thanks to Janhouse and mkraemer for reporting. (#7)

- Use stencil buffer to attempt to eliminate potential double-paint
  issue in glx_render(). X Fixes doesn't guarantee the rectangles in a
  region do not overlap, and this may cause some regions to be painted
  twice, which would be a problem if we are painting transparent things.
  Now the target window must have a stencil buffer. Compiz uses its own
  region implementation to deal with this, but as a lightweight
  compositor we can't really do the same. It may have a positive or
  negative effort over performance. Callgrind result indicates basically
  no change in performance, but this may or may not be true.

- Correctly distinguish GL extensions and GLX extensions. Sorry. :-D

- Handle screen size. Thanks to tsmithe for reporting. (#7)

- Rename OpenGL backend to GLX backend, because, we might have a EGL
  backend someday.

- Add configuration file option `backend` to specify backend. Add
  `backend` to D-Bus `opts_get`.

- Add OpenGL shader compilation code, but currently unused.

- Minor adjustments.

- Known issue: Window content doesn't get updated in VirtualBox,
  probably because its OpenGL implementation requires constant rebinding
  of texture. But that's really slow...

- Known issue: Blur feature is still unimplemented in GLX backend.
2013-03-16 22:54:43 +08:00