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libweston: two more weston_output docs

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Document two more functions of the weston_output API.

Exported functions marked internal are meant for backends only.
Exported functions not marked internal are meant for libweston users.

v2: talk about "list of enabled outputs".

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Armin Krezović <krezovic.armin@gmail.com>
This commit is contained in:
Pekka Paalanen 2017-03-29 16:53:50 +03:00
parent f0ca79639e
commit ee16ea95bc
1 changed files with 41 additions and 0 deletions
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41
libweston/compositor.c
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@ -4471,6 +4471,8 @@ weston_output_move(struct weston_output *output, int x, int y)
*
* \param compositor The compositor instance.
* \param output The output to be added.
*
* \internal
*/
WL_EXPORT void
weston_compositor_add_output(struct weston_compositor *compositor,
@ -4487,6 +4489,20 @@ weston_compositor_add_output(struct weston_compositor *compositor,
weston_view_geometry_dirty(view);
}
/** Transform device coordinates into global coordinates
*
* \param device_x[in] X coordinate in device units.
* \param device_y[in] Y coordinate in device units.
* \param x[out] X coordinate in the global space.
* \param y[out] Y coordinate in the global space.
*
* Transforms coordinates from the device coordinate space
* (physical pixel units) to the global coordinate space (logical pixel units).
* This takes into account output transform and scale.
*
* \memberof weston_output
* \internal
*/
WL_EXPORT void
weston_output_transform_coordinate(struct weston_output *output,
double device_x, double device_y,
@ -4546,6 +4562,9 @@ weston_output_enable_undo(struct weston_output *output)
*
* - wl_output protocol objects referencing this weston_output
* are made inert.
*
* \memberof weston_output
* \internal
*/
static void
weston_compositor_remove_output(struct weston_output *output)
@ -4583,6 +4602,8 @@ weston_compositor_remove_output(struct weston_output *output)
*
* It only supports setting scale for an output that
* is not enabled and it can only be ran once.
*
* \memberof weston_output
*/
WL_EXPORT void
weston_output_set_scale(struct weston_output *output,
@ -4608,6 +4629,8 @@ weston_output_set_scale(struct weston_output *output,
* Refer to wl_output::transform section located at
* https://wayland.freedesktop.org/docs/html/apa.html#protocol-spec-wl_output
* for list of values that can be passed to this function.
*
* \memberof weston_output
*/
WL_EXPORT void
weston_output_set_transform(struct weston_output *output,
@ -4630,6 +4653,9 @@ weston_output_set_transform(struct weston_output *output,
*
* Sets initial values for fields that are expected to be
* configured either by compositors or backends.
*
* \memberof weston_output
* \internal
*/
WL_EXPORT void
weston_output_init(struct weston_output *output,
@ -4664,6 +4690,9 @@ weston_output_init(struct weston_output *output,
* configuration.
*
* The opposite of this operation is built into weston_output_destroy().
*
* \memberof weston_output
* \internal
*/
WL_EXPORT void
weston_compositor_add_pending_output(struct weston_output *output,
@ -4838,6 +4867,18 @@ weston_pending_output_coldplug(struct weston_compositor *compositor)
wl_signal_emit(&compositor->output_pending_signal, output);
}
/** Uninitialize an output
*
* Removes the output from the list of enabled outputs if necessary, but
* does not call the backend's output disable function. The output will no
* longer be in the list of pending outputs either.
*
* All fields of weston_output become uninitialized, i.e. should not be used
* anymore. The caller can free the memory after this.
*
* \memberof weston_output
* \internal
*/
WL_EXPORT void
weston_output_destroy(struct weston_output *output)
{