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/*
* Copyright © 2016 Armin Krezović
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef WESTON_WINDOWED_OUTPUT_API_H
#define WESTON_WINDOWED_OUTPUT_API_H
#ifdef __cplusplus
extern "C" {
#endif
#include <libweston/plugin-registry.h>
struct weston_compositor;
struct weston_output;
#define WESTON_WINDOWED_OUTPUT_API_NAME "weston_windowed_output_api_v2"
struct weston_windowed_output_api {
/** Assign a given width and height to an output.
*
* \param output An output to be configured.
* \param width Desired width of the output.
* \param height Desired height of the output.
*
* Returns 0 on success, -1 on failure.
*
* This assigns a desired width and height to a windowed
* output. The backend decides what should be done and applies
* the desired configuration. After using this function and
* generic weston_output_set_*, a windowed
* output should be in a state where weston_output_enable()
* can be run.
*/
int (*output_set_size)(struct weston_output *output,
int width, int height);
/** Create a new windowed head.
*
* \param backend The backend.
* \param name Desired name for a new head, not NULL.
*
* Returns 0 on success, -1 on failure.
*
* This creates a new head in the backend. The new head will
* be advertised in the compositor's head list and triggers a
* head_changed callback.
*
* A new output can be created for the head. The output must be
* configured with output_set_size() and
* weston_output_set_{scale,transform}() before enabling it.
*
* \sa weston_compositor_set_heads_changed_cb(),
* weston_compositor_create_output_with_head()
*/
int (*create_head)(struct weston_backend *backend,
const char *name);
};
static inline const struct weston_windowed_output_api *
weston_windowed_output_get_api(struct weston_compositor *compositor)
{
const void *api;
api = weston_plugin_api_get(compositor, WESTON_WINDOWED_OUTPUT_API_NAME,
sizeof(struct weston_windowed_output_api));
return (const struct weston_windowed_output_api *)api;
}
#ifdef __cplusplus
}
#endif
#endif /* WESTON_WINDOWED_OUTPUT_API_H */
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