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The new struct rect_union is designed to make it easier to
efficiently accumulate a list of rectangles, and then operate
on an exact cover of their union.
Using rect_union, the times needed to added t rectangles, and then
compute their exact cover will be O(t), and something between Ω(t) and
O(t^2), depending on the rectangle arrangement. If one tries to do
the same by storing a pixman_region32_t and updating it with
pixman_region32_union_rect(), then total time needed would be between
Ω(t^2) and O(t^3), depending on the input. Without changing the public
API (data structure + rectangle ordering rules) for pixman_region32_t,
it is impossible to improve its worst case time.
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Fixes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3677
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Since headless and wayland-without-presentation-feedback were firing
present inside their commit impls, present was getting fired before
commit, which is cursed. Defer this with an idle timer so that commit
handlers can run before present handlers.
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Atomic doesn't support such flags yet.
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wlr_scene_output_layout_add_output() was made public by f5917f024760
("scene_output_layout: make output adding explicit") but the ownership
semantics are not obvious and should be clarified.
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The flags passed to vkCreateImage() must match the flags used when
querying formats. Make this clearer by using the same variable.
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`// struct <name>` appears roughly 4 times as often as
`// struct <name> *`. Switch to the former variant everywhere.
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This optimization also fixes an validation error with the Vulkan
renderer by ensuring vkCmdClearAttachments does not receive empty
regions.
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Up until now, frame/present events were only triggered when the
user submitted a buffer. Change the wlr_output API so that these
events are triggered when any commit is applied on an enabled
output.
Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3708
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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3709
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This will be used for the scene-graph integration.
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This function is now unnecessary.
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We want to eventually remove this. Let's make sure compositors
don't start using either of these functions.
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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3685
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We were assuming a roundtrip was enough to get an
xdg_surface.configure event. That's not the case, the protocol
spec doesn't make such a guarantee.
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Keeps the main wlr_renderer.h a tad more tidy.
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Backends should be using wlr_output_send_request_state to request
modesets to the compositor. This will be inlined and removed next commit.
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By using this function, a compositor can display a wlroots
compositor in a sub-surface, for instance.
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When integrating wlroots with another toolkit, wlroots may receive
wl_pointer.enter events for surfaces not backed by a wlr_output.
Ignore such surfaces by tagging the ones we're aware of with
wl_proxy_set_tag().
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This allows compositors to use an existing wl_display, to integrate
wlroots with an existing toolkit.
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The PID of an X11 window cannot change.
This is a remnant from the days when we queried the PID with a
window property, instead of using XRes.
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The wlr_xwayland_surface_v1 will be destroyed automatically
from xwl_surface_role_destroy().
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This adds the suspended toplevel state
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References: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/194
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Instead of passing the scale, pass the source and destination
boxes.
Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3676
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Fixes an error seen in labwc CI builds with -Werror:
../subprojects/wlroots/include/wlr/types/wlr_gamma_control_v1.h:44:16:
error: ‘struct wlr_output_state’ declared inside parameter list
will not be visible outside of this definition or declaration [-Werror]
44 | struct wlr_output_state *output_state);
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The backend is not able to tell whether a surface is being
presented via direct scan-out or not. The backend will set
ZERO_COPY if the buffer submitted via the output commit was
presented in a zero-copy fashion, but will no know whether the
buffer comes from the compositor or the client.
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This contains the output and a bool indicating direct scan-out.
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Using "present" is confusing here: the event is emitted when the
buffer is being sampled to be displayed on an output, not when it's
being presented on-screen.
Rename to match the presentation-time terminology.
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Let's not allow renderer implementations to mutate the passed in
options.
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This only contains the xsurface, which isn't particularly useful.
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This function takes a pointer to memory with a hardcoded format
and many parameters to describe the pixel buffer.
wlr_output_cursor_set_buffer() can be used instead.
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