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recvmsg(3) returns 0 if the connection partner has shut down its socket.
The communicate function considered 0 a successful message, though, and
keeps calling recvmsg(3) again and again.
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render: bind wl_drm in renderer
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Compositors now have more control over how the backend creates its
renderer. Currently all backends create an EGL/GLES2 renderer, so
the necessary attributes for creating the context are passed to a
user-provided callback function. It is responsible for initializing
provided wlr_egl and to return a renderer. On fail, return 0.
Fixes #987
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Updates the projection matrix for the cursor plane in the DRM backend,
when the cursor is set, so new cursor are uploaded with the correct
transformation.
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output: always use hardware cursors if available
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Don't allow any value of the env var to disable atomic mode setting.
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We do this in a backend independent way in wlr_cursor now.
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We do this in a backend independent way in wlr_cursor now.
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This changes the `wlr_output_impl.set_cursor` function to take a
`wlr_texture` instead of a byte buffer. This simplifies the
DRM and Wayland backends since they were creating textures from
the byte buffer anyway.
With this commit, performance should be improved when moving the
cursor since outputs don't need to be re-rendered anymore.
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Various memory leaks
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output: don't emit the mode event if it hasn't changed
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This also fixes #535.
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When the X11 server sends an expose event, that means that "this
rectangle here (the event contains x,y,width,height) has undefined
contents on your window; please redraw that". This means that we need a
swap. However, so far the code does not actually enforce that a swap
happens.
For example, start rootston, switch to another workspace and then switch
back. The rootston window will not be redrawn (before commit
52b058c2a31fb, it would just be fully white; after that commit it will
show whatever was visible on the old workspace). This is because the
drawing code concludes that nothing needs to be done. However, in fact a
swap is necessary.
This reverts commit e79d92458852373, because its optimisation is already
done now: wlr_output_update_needs_swap() emits a signal, which is
handled by wlr_output_damage with a call to wlr_output_schedule_frame().
This function does nothing if a frame is already pending. Thus, the
optimisation from commit e79d92458852373 now happens implicitly.
Signed-off-by: Uli Schlachter <psychon@znc.in>
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When resizing rootston with the mouse, the result is really slow. One
can see that rootston needs quite a while for drawing the newly visible
area. This is because every single expose event is handled on its own
and causes (apparently) a full repaint or at least a swap.
This commit improves things by only causing a new frame if none is
pending already.
With this change, there is almost no delay in rootston drawing the newly
visible area.
Signed-off-by: Uli Schlachter <psychon@znc.in>
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Before this commit, the x11 server would fill any exposed area with
white before the wlroots x11 backend got a chance to do anything. This
was e.g. visible when running rootston and resizing the window: When the
window becomes larger, the new area is filled with black.
By just not setting a back pixel value, this commit gets rid of this
behaviour.
Signed-off-by: Uli Schlachter <psychon@znc.in>
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handle_x11_event() and x11_handle_input_event() react to different kinds
of events, so it does not make much of a difference if
x11_handle_input_event() signals if it handled an event or not.
Signed-off-by: Uli Schlachter <psychon@znc.in>
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This function always returns "false", so its return type can simply be
changed to void.
Signed-off-by: Uli Schlachter <psychon@znc.in>
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