1 /**************************************************************************
5 * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
7 * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
8 * JinYoung Jeon <jy0.jeon@samsung.com>,
9 * Taeheon Kim <th908.kim@samsung.com>,
10 * YoungJun Cho <yj44.cho@samsung.com>,
11 * SooChan Lim <sc1.lim@samsung.com>,
12 * Boram Park <sc1.lim@samsung.com>
14 * Permission is hereby granted, free of charge, to any person obtaining a
15 * copy of this software and associated documentation files (the
16 * "Software"), to deal in the Software without restriction, including
17 * without limitation the rights to use, copy, modify, merge, publish,
18 * distribute, sub license, and/or sell copies of the Software, and to
19 * permit persons to whom the Software is furnished to do so, subject to
20 * the following conditions:
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
29 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
30 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
31 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
32 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 **************************************************************************/
40 #include <tbm_surface.h>
41 #include <tbm_surface_queue.h>
42 #include <tbm_surface_internal.h>
44 #include "tdm_types.h"
52 * @brief The header file for a frontend user.
55 * #include <tdm.h> //for a frontend user
60 * @brief The display capability enumeration
63 TDM_DISPLAY_CAPABILITY_PP = (1 << 0), /**< if hardware supports pp operation */
64 TDM_DISPLAY_CAPABILITY_CAPTURE = (1 << 1), /**< if hardware supports capture operation */
65 TDM_DISPLAY_CAPABILITY_HWC = (1 << 2), /**< if hardware supports hwc operation */
66 } tdm_display_capability;
69 * @brief The output change handler
70 * @details This handler will be called when the status of a output object is
73 typedef void (*tdm_output_change_handler)(tdm_output *output,
74 tdm_output_change_type type,
79 * @brief Initialize a display object
80 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
81 * @return A display object
82 * @see tdm_display_deinit
85 tdm_display_init(tdm_error *error);
88 * @brief Deinitialize a display object
89 * @param[in] dpy A display object
90 * @see tdm_display_init
93 tdm_display_deinit(tdm_display *dpy);
96 * @brief Update a display object
98 * When new output is connected, a frontend user need to call this function.
99 * And a frontend user can the new output information with tdm_output_get_xxx functions.
100 * @param[in] dpy A display object
101 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
104 tdm_display_update(tdm_display *dpy);
107 * @brief Get the file descriptor
108 * @details TDM handles the events of fd with #tdm_display_handle_events.
109 * @param[in] dpy A display object
110 * @param[out] fd The file descriptor
111 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
112 * @see tdm_display_handle_events
115 tdm_display_get_fd(tdm_display *dpy, int *fd);
118 * @brief Handle the events
119 * @param[in] dpy A display object
120 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
121 * @see tdm_display_get_fd
124 tdm_display_handle_events(tdm_display *dpy);
127 * @brief Get the information of the TDM backend module.
128 * @param[in] dpy A display object
129 * @param[out] name The name of the TDM backend module
130 * @param[out] vendor The vendor of the TDM backend module
131 * @param[out] version The version of the TDM backend module
132 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
135 tdm_display_get_backend_info(tdm_display *dpy, const char **name,
136 const char **vendor, int *major, int *minor);
139 * @brief Get the capabilities of a display object.
140 * @details A frontend user can get whether TDM supports pp/capture functionality with this function.
141 * @param[in] dpy A display object
142 * @param[out] capabilities The capabilities of a display object
143 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
146 tdm_display_get_capabilities(tdm_display *dpy,
147 tdm_display_capability *capabilities);
150 * @brief Get the pp capabilities of a display object.
151 * @param[in] dpy A display object
152 * @param[out] capabilities The pp capabilities
153 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
156 tdm_display_get_pp_capabilities(tdm_display *dpy,
157 tdm_pp_capability *capabilities);
160 * @brief Get the pp available format array of a display object.
161 * @param[in] dpy A display object
162 * @param[out] formats The pp available format array
163 * @param[out] count The count of formats
164 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
167 tdm_display_get_pp_available_formats(tdm_display *dpy,
168 const tbm_format **formats, int *count);
171 * @brief Get the pp available size of a display object.
172 * @details -1 means that a TDM backend module doesn't define the value.
173 * @param[in] dpy A display object
174 * @param[out] min_w The minimum width which TDM can handle
175 * @param[out] min_h The minimum height which TDM can handle
176 * @param[out] max_w The maximum width which TDM can handle
177 * @param[out] max_h The maximum height which TDM can handle
178 * @param[out] preferred_align The preferred align width which TDM can handle
179 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
182 tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
183 int *max_w, int *max_h, int *preferred_align);
186 * @brief Get the capture capabilities of a display object.
187 * @param[in] dpy A display object
188 * @param[out] capabilities The capture capabilities
189 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
192 tdm_display_get_capture_capabilities(tdm_display *dpy,
193 tdm_capture_capability *capabilities);
196 * @brief Get the capture available format array of a display object.
197 * @param[in] dpy A display object
198 * @param[out] formats The capture available format array
199 * @param[out] count The count of formats
200 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
203 tdm_display_get_catpure_available_formats(tdm_display *dpy,
204 const tbm_format **formats, int *count);
207 * @brief Get the capture available size of a display object.
208 * @details -1 means that a TDM backend module doesn't define the value.
209 * @param[in] dpy A display object
210 * @param[out] min_w The minimum width which TDM can handle
211 * @param[out] min_h The minimum height which TDM can handle
212 * @param[out] max_w The maximum width which TDM can handle
213 * @param[out] max_h The maximum height which TDM can handle
214 * @param[out] preferred_align The preferred align width which TDM can handle
215 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
218 tdm_display_get_capture_available_size(tdm_display *dpy, int *min_w, int *min_h,
219 int *max_w, int *max_h, int *preferred_align);
222 * @brief Get the max layer counts which a display object can show on screen.
223 * @details -1 means that a TDM backend module doesn't define the value.
224 * @param[in] dpy A display object
225 * @param[out] count The max count of layers
226 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
229 tdm_display_get_max_layer_count(tdm_display *dpy, int *max_count);
232 * @brief Get the output counts which a display object has.
233 * @param[in] dpy A display object
234 * @param[out] count The count of outputs
235 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
236 * @see tdm_display_get_output
239 tdm_display_get_output_count(tdm_display *dpy, int *count);
242 * @brief Get a output object which has the given index.
243 * @param[in] dpy A display object
244 * @param[in] index The index of a output object
245 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
246 * @return A output object if success. Otherwise, NULL.
247 * @see tdm_display_get_output_count
250 tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error);
253 * @brief Create a pp object.
254 * @param[in] dpy A display object
255 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
256 * @return A pp object if success. Otherwise, NULL.
257 * @see tdm_pp_destroy
260 tdm_display_create_pp(tdm_display *dpy, tdm_error *error);
263 * @brief Get the capabilities of a output object.
264 * @param[in] output A output object
265 * @param[out] capabilities The capabilities of a output object
266 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
269 tdm_output_get_capabilities(tdm_output *output,
270 tdm_output_capability *capabilities);
273 * @brief Get the model information of a output object.
274 * @param[in] output A output object
275 * @param[out] maker The output maker.
276 * @param[out] model The output model.
277 * @param[out] name The output name.
278 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
281 tdm_output_get_model_info(tdm_output *output, const char **maker,
282 const char **model, const char **name);
285 * @brief Get the connection status of a output object.
286 * @param[in] output A output object
287 * @param[out] status The connection status.
288 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
291 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status);
294 * @brief Add a output change handler
295 * @details The handler will be called when the status of a
296 * output object is changed. connection, DPMS, etc.
297 * @param[in] output A output object
298 * @param[in] func A output change handler
299 * @param[in] user_data The user data
300 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
303 tdm_output_add_change_handler(tdm_output *output,
304 tdm_output_change_handler func,
308 * @brief Remove a output change handler
309 * @param[in] output A output object
310 * @param[in] func A output change handler
311 * @param[in] user_data The user data
312 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
315 tdm_output_remove_change_handler(tdm_output *output,
316 tdm_output_change_handler func,
320 * @brief Get the connection type of a output object.
321 * @param[in] output A output object
322 * @param[out] type The connection type.
323 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
326 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type);
329 * @brief Get the layer counts which a output object has.
330 * @param[in] output A output object
331 * @param[out] count The count of layers
332 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
333 * @see tdm_output_get_layer
336 tdm_output_get_layer_count(tdm_output *output, int *count);
339 * @brief Get a layer object which has the given index.
340 * @param[in] output A output object
341 * @param[in] index The index of a layer object
342 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
343 * @return A layer object if success. Otherwise, NULL.
344 * @see tdm_output_get_layer_count
347 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error);
350 * @brief Get the available property array of a output object.
351 * @param[in] output A output object
352 * @param[out] props The available property array
353 * @param[out] count The count of properties
354 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
357 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
361 * @brief Get the available mode array of a output object.
362 * @param[in] output A output object
363 * @param[out] modes The available mode array
364 * @param[out] count The count of modes
365 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
368 tdm_output_get_available_modes(tdm_output *output,
369 const tdm_output_mode **modes, int *count);
372 * @brief Get the available size of a output object.
373 * @details -1 means that a TDM backend module doesn't define the value.
374 * @param[in] output A output object
375 * @param[out] min_w The minimum width which TDM can handle
376 * @param[out] min_h The minimum height which TDM can handle
377 * @param[out] max_w The maximum width which TDM can handle
378 * @param[out] max_h The maximum height which TDM can handle
379 * @param[out] preferred_align The preferred align width which TDM can handle
380 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
383 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
384 int *max_w, int *max_h, int *preferred_align);
387 * @brief Get the available cursor size of a output object.
388 * @details -1 means that a TDM backend module doesn't define the value.
389 * @param[in] output A output object
390 * @param[out] min_w The minimum width which TDM can handle
391 * @param[out] min_h The minimum height which TDM can handle
392 * @param[out] max_w The maximum width which TDM can handle
393 * @param[out] max_h The maximum height which TDM can handle
394 * @param[out] preferred_align The preferred align width which TDM can handle
395 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
398 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
399 int *max_w, int *max_h, int *preferred_align);
402 * @brief Get the physical size of a output object.
403 * @param[in] output A output object
404 * @param[out] mmWidth The milimeter width
405 * @param[out] mmHeight The milimeter height
406 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
409 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
410 unsigned int *mmHeight);
413 * @brief Get the subpixel of a output object.
414 * @param[in] output A output object
415 * @param[out] subpixel The subpixel
416 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
419 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel);
422 * @brief Get the pipe of a output object.
423 * @param[in] output A output object
424 * @param[out] pipe The pipe
425 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
428 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe);
431 * @brief Get the index of a primary layer.
432 * @param[in] output A output object
433 * @param[out] index The primary layer index
434 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
437 tdm_output_get_primary_index(tdm_output *output, int *index);
440 * @brief Set the property which has a given id.
441 * @param[in] output A output object
442 * @param[in] id The property id
443 * @param[in] value The value
444 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
447 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value);
450 * @brief Get the property which has a given id
451 * @param[in] output A output object
452 * @param[in] id The property id
453 * @param[out] value The value
454 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
457 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value);
460 * @brief Wait for VBLANK
461 * @details After interval vblanks, a user vblank handler will be called.
462 * @param[in] output A output object
463 * @param[in] interval vblank interval
464 * @param[in] sync 0: asynchronous, 1:synchronous
465 * @param[in] func A user vblank handler
466 * @param[in] user_data The user data
467 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
468 * @see #tdm_output_vblank_handler
471 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
472 tdm_output_vblank_handler func, void *user_data);
475 * @brief Commit changes for a output object
476 * @details After all change of a output object are applied, a user commit handler
478 * @param[in] output A output object
479 * @param[in] sync 0: asynchronous, 1:synchronous
480 * @param[in] func A user commit handler
481 * @param[in] user_data The user data
482 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
483 * @see #tdm_layer_commit
486 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
490 * @brief Remove the user vblank handler
491 * @param[in] output A output object
492 * @param[in] func A user vblank handler
493 * @param[in] user_data The user data
494 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
497 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
500 * @brief Remove the user commit handler
501 * @param[in] output A output object
502 * @param[in] func A user commit handler
503 * @param[in] user_data The user data
504 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
507 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data);
510 * @brief Set one of available modes of a output object
511 * @param[in] output A output object
512 * @param[in] mode A output mode
513 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
516 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode);
519 * @brief Get the mode of a output object
520 * @param[in] output A output object
521 * @param[out] mode A output mode
522 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
525 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode);
528 * @brief Set DPMS of a output object
529 * @param[in] output A output object
530 * @param[in] dpms_value DPMS value
531 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
534 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value);
537 * @brief Get DPMS of a output object
538 * @param[in] output A output object
539 * @param[out] dpms_value DPMS value
540 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
543 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value);
546 * @brief Create a capture object of a output object
547 * @param[in] output A output object
548 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
549 * @return A capture object
550 * @see tdm_capture_destroy
553 tdm_output_create_capture(tdm_output *output, tdm_error *error);
556 * @brief Creates a new window on the given display.
557 * @param[in] output A output object
558 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
559 * @return A created window object
562 tdm_output_create_hwc_window(tdm_output *output, tdm_error *error);
565 * @brief Destroys the given window.
566 * @param[in] output A output object
567 * @param[in] window the pointer of the window to destroy
568 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
571 tdm_output_destroy_hwc_window(tdm_output *output, tdm_hwc_window *hwc_window);
574 * @brief Set the client(relative to the TDM) target buffer
575 * @details Sets the buffer which will receive the output of client composition.
576 * Window marked as TDM_COMPOSITION_CLIENT or TDM_COMPOSITION_DEVICE_CANDIDATE
577 * will be composited into this buffer prior to the call to tdm_output_commit(),
578 * and windows not marked as TDM_COMPOSITION_CLIENT and
579 * TDM_COMPOSITION_DEVICE_CANDIDATE should be composited with this buffer by the
582 * The buffer handle provided may be null if no windows are being composited by
583 * the client. This must not result in an error (unless an invalid display
584 * handle is also provided).
586 * The damage parameter describes a surface damage region as defined in the
587 * description of tdm_hwc_window_set_surface_damage().
589 * Will be called before tdm_output_commit() if any of the layers are marked as
590 * TDM_COMPOSITION_CLIENT or TDM_COMPOSITION_DEVICE_CANDIDATE. If no layers are
591 * so marked, then it is not necessary to call this function. It is not necessary
592 * to call tdm_output_validate() after changing the target through this function.
593 * @param[in] output A output object
594 * @param[in] target The new target buffer
595 * @param[in] damage The surface damage region
596 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
599 tdm_output_set_client_target_buffer(tdm_output *output, tbm_surface_h target,
600 tdm_hwc_region damage);
603 * @brief Validate the output
604 * @details Instructs the device to inspect all of the layer state and
605 * determine if there are any composition type changes necessary before
606 * presenting the output. Permitted changes are described in the definition
607 * of tdm_hwc_window_composition_t above.
608 * @param[in] output A output object
609 * @param[out] num_types The number of composition type changes required by
610 * the device; if greater than 0, the client must either set and validate new
611 * types, or call tdm_output_accept_changes() to accept the changes returned by
612 * tdm_output_get_changed_composition_types(); must be the same as the number of
613 * changes returned by tdm_output_get_changed_composition_types (see the
614 * declaration of that function for more information); pointer will be non-NULL
615 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
618 tdm_output_validate(tdm_output *output, uint32_t *num_types);
621 * @brief Get changed composition types
622 * @details Retrieves the windows for which the device requires a different
623 * composition type than had been set prior to the last call to tdm_output_validate().
624 * The client will either update its state with these types and call
625 * tdm_output_accept_changes, or will set new types and attempt to validate the
627 * windows and types may be NULL to retrieve the number of elements which
628 * will be returned. The number of elements returned must be the same as the
629 * value returned in num_types from the last call to tdm_output_validate().
630 * @param[in] output A output object
631 * @param[out] num_elements If windows or types were NULL, the number of layers
632 * and types which would have been returned; if both were non-NULL, the
633 * number of elements returned in layers and types, which must not exceed
634 * the value stored in num_elements prior to the call; pointer will be
636 * @param[in] output A output object
637 * @param[out] windows An array of windows
638 * @param[out] composition_types An array of composition types, each corresponding
639 * to an element of windows
640 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
643 tdm_output_get_changed_composition_types(tdm_output *output,uint32_t *num_elements,
644 tdm_hwc_window **hwc_window,
645 tdm_hwc_window_composition_t *composition_types);
648 * @brief Accepts the changes required by the device
649 * @details Accepts the changes required by the device from the previous
650 * tdm_output_validate() call (which may be queried using
651 * tdm_output_get_chaged_composition_types()) and revalidates the display. This
652 * function is equivalent to requesting the changed types from
653 * tdm_output_get_chaged_composition_types(), setting those types on the
654 * corresponding windows, and then calling tdm_output_validate again.
655 * After this call it must be valid to present this display. Calling this after
656 * tdm_output_validate() returns 0 changes must succeed with TDM_ERROR_NONE, but
657 * should have no other effect.
658 * @param[in] output A output object
659 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
662 tdm_output_accept_changes(tdm_output *output);
665 * @brief Get a target surface queue
666 * @details Surfaces from target surface queue will receive the output of
667 * client composition. Window marked as TDM_COMPOSITION_CLIENT or
668 * TDM_COMPOSITION_DEVICE_CANDIDATE will be composited into this surfaces
669 * prior to the call to tdm_output_commit().
670 * @param[in] output A output object
671 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
672 * @return A surface queue
675 tdm_output_get_target_surface_queue(tdm_output *output, tdm_error *error);
678 * @brief Get the capabilities of a layer object.
679 * @param[in] layer A layer object
680 * @param[out] capabilities The capabilities of a layer object
681 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
684 tdm_layer_get_capabilities(tdm_layer *layer,
685 tdm_layer_capability *capabilities);
688 * @brief Get the available format array of a layer object.
689 * @param[in] layer A layer object
690 * @param[out] formats The available format array
691 * @param[out] count The count of formats
692 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
695 tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats,
699 * @brief Get the available property array of a layer object.
700 * @param[in] layer A layer object
701 * @param[out] props The available property array
702 * @param[out] count The count of properties
703 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
706 tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props,
710 * @brief Get the zpos of a layer object.
712 * - GRAPHIC layers have fixed zpos. It starts from 0. It's @b non-changeable.
713 * - But the zpos of VIDEO layers will be decided by a backend module side.
714 * - A frontend user only can set the relative zpos to VIDEO layers via #tdm_layer_set_video_pos
715 * - The zpos of video layers is less than GRAPHIC layers or more than GRAPHIC
716 * layers. ie, ..., -2, -1, 4, 5, ... (if 0 <= GRAPHIC layer's zpos < 4).
717 * -------------------------------- graphic layer 3 <-- top most layer
718 * -------------------------------- graphic layer 2
719 * -------------------------------- graphic layer 1
720 * -------------------------------- graphic layer 0
721 * -------------------------------- video layer -1
722 * -------------------------------- video layer -2 <-- lowest layer
723 * @param[in] layer A layer object
724 * @param[out] zpos The zpos
725 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
726 * @see tdm_layer_set_video_pos, tdm_layer_capability
729 tdm_layer_get_zpos(tdm_layer *layer, int *zpos);
732 * @brief Set the property which has a given id.
733 * @param[in] layer A layer object
734 * @param[in] id The property id
735 * @param[in] value The value
736 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
739 tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value);
742 * @brief Get the property which has a given id.
743 * @param[in] layer A layer object
744 * @param[in] id The property id
745 * @param[out] value The value
746 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
749 tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value);
752 * @brief Set the geometry information to a layer object
753 * @details The geometry information will be applied when the output object
754 * of a layer object is committed. If a layer has TDM_LAYER_CAPABILITY_NO_CROP
755 * capability, a layer will ignore the pos(crop) information of #tdm_info_layer's
757 * @param[in] layer A layer object
758 * @param[in] info The geometry information
759 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
760 * @see tdm_layer_commit
763 tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info);
766 * @brief Get the geometry information to a layer object
767 * @param[in] layer A layer object
768 * @param[out] info The geometry information
769 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
772 tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info);
775 * @brief Set a TDM buffer to a layer object
776 * @details A TDM buffer will be applied when the output object
777 * of a layer object is committed.
778 * @param[in] layer A layer object
779 * @param[in] buffer A TDM buffer
780 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
781 * @see tdm_layer_commit
784 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer);
787 * @brief Unset a TDM buffer from a layer object
788 * @details When this function is called, a current showing buffer will be
789 * disappeared from screen. Then nothing is showing on a layer object.
790 * @param[in] layer A layer object
791 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
794 tdm_layer_unset_buffer(tdm_layer *layer);
797 * @brief Commit changes for a layer object
798 * @details After all change of a layer object are applied, a user commit handler
800 * @param[in] layer A layer object
801 * @param[in] func A user commit handler
802 * @param[in] user_data The user data
803 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
806 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
809 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing);
812 * @brief Remove the user commit handler
813 * @param[in] layer A layer object
814 * @param[in] func A user commit handler
815 * @param[in] user_data The user data
816 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
819 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
822 * @brief Get a displaying TDM buffer from a layer object
823 * @details A displaying TDM buffer is a current showing buffer on screen
824 * that is set to layer object and applied output object of a layer object.
825 * @param[in] layer A layer object
826 * @return A TDM buffer if success. Otherwise, NULL.
829 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error);
832 * @brief Set a TBM surface_queue to a layer object
833 * @details A TBM surface_queue will be applied when the output object
834 * of a layer object is committed. and TDM layer will be automatically updated
835 * @param[in] layer A layer object
836 * @param[in] buffer_queue A TBM surface_queue
837 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
838 * @see tdm_layer_commit
841 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue);
844 * @brief Unset a TBM surface_queue from a layer object
845 * @details When this function is called, a current surface_queue will be
846 * disappeared from screen. Then nothing is showing on a layer object.
847 * @param[in] layer A layer object
848 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
851 tdm_layer_unset_buffer_queue(tdm_layer *layer);
854 * @brief Check wheter a layer object is available for a frontend user to use.
855 * @details A layer object is not usable if a TDM buffer is showing on screen
856 * via this layer object. By calling #tdm_layer_unset_buffer, this layer object
857 * will become usable.
858 * @param[in] layer A layer object
859 * @param[out] usable 1 if usable, 0 if not usable
860 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
863 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable);
866 * @brief Set the relative zpos to a VIDEO layer object
867 * @details The zpos value is less than the minimum zpos of GRAPHIC layers, or
868 * it is more than the maximum zpos of GRAPHIC layers.
869 * @param[in] layer A VIDEO layer object
870 * @param[in] zpos The zpos
871 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
872 * @see tdm_layer_get_zpos, tdm_layer_capability
875 tdm_layer_set_video_pos(tdm_layer *layer, int zpos);
878 * @brief Create a capture object of a layer object
879 * @param[in] layer A layer object
880 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
881 * @return A capture object
882 * @see tdm_capture_destroy
885 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error);
888 * @brief Get buffer flags from a layer object
889 * @param[in] layer A layer object
890 * @param[out] flags a buffer flags value
891 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
894 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags);
897 * @brief Get a tbm surface queue for the window object
898 * @details These surfaces are used to composite by hardware a client content in
900 * @param[in] hwc_window A window object
901 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
902 * @return A tbm surface queue
905 tdm_hwc_window_get_tbm_surface_queue(tdm_hwc_window *hwc_window, tdm_error *error);
908 * @brief Sets the desired Z order of the given window. A window with
909 * a greater Z value occludes a window with a lesser Z value.
910 * @param[in] hwc_window A window object
911 * @param[in] z the new Z order
912 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
915 tdm_hwc_window_set_zpos(tdm_hwc_window *hwc_window, uint32_t zpos);
918 * @brief Sets the desired composition type of the given window.
919 * @details During tdm_output_validate(), the device may request changes to
920 * the composition types of any of the layers as described in the definition
921 * of tdm_hwc_window_composition_t above.
922 * @param[in] hwc_window A window object
923 * @param[in] composition_type The new composition type
924 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
927 tdm_hwc_window_set_composition_type(tdm_hwc_window *hwc_window,
928 tdm_hwc_window_composition_t composition_type);
931 * @brief Set the surface damage
932 * @details Provides the region of the source buffer which has been modified
933 * since the last frame. This region does not need to be validated before
934 * calling tdm_output_commit().
935 * Once set through this function, the damage region remains the same until a
936 * subsequent call to this function.
937 * If damage.num_rects > 0, then it may be assumed that any portion of the source
938 * buffer not covered by one of the rects has not been modified this frame. If
939 * damage.num_rects == 0, then the whole source buffer must be treated as if it
941 * If the layer's contents are not modified relative to the prior frame, damage
942 * will contain exactly one empty rect([0, 0, 0, 0]).
943 * The damage rects are relative to the pre-transformed buffer, and their origin
944 * is the top-left corner. They will not exceed the dimensions of the latched
946 * @param[in] hwc_window A window object
947 * @param[in] damage The new surface damage region
948 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
951 tdm_hwc_window_set_surface_damage(tdm_hwc_window *hwc_window, tdm_hwc_region damage);
954 * @brief Set the information to a window object
955 * @details The information will be applied when the output object of a window
956 * object is committed.
957 * @param[in] hwc_window A window object
958 * @param[in] info The information
959 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
962 tdm_hwc_window_set_info(tdm_hwc_window *hwc_window, tdm_hwc_window_info *info);
965 * @brief Set a TBM buffer to a window object
966 * @details A TBM buffer will be applied when the output object of a layer
967 * object is committed.
968 * @param[in] hwc_window A layer object
969 * @param[in] buffer A TDM buffer
970 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
973 tdm_hwc_window_set_buffer(tdm_hwc_window *hwc_window, tbm_surface_h buffer);
976 * @brief Destroy a pp object
977 * @param[in] pp A pp object
978 * @see tdm_display_create_pp
981 tdm_pp_destroy(tdm_pp *pp);
984 * @brief Set the geometry information to a pp object
985 * @param[in] pp A pp object
986 * @param[in] info The geometry information
987 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
991 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info);
994 * @brief Set the PP done handler to a pp object
996 * The user PP done handler will be called after converting a source buffer's image
997 * to a destination buffer.
998 * @param[in] pp A pp object
999 * @param[in] func A user PP done handler
1000 * @param[in] user_data The user data
1001 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1004 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data);
1007 * @brief Attach a source buffer and a destination buffer to a pp object
1008 * @param[in] pp A pp object
1009 * @param[in] src A source buffer
1010 * @param[in] dst A destination buffer
1011 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1012 * @see tdm_pp_commit, tdm_pp_set_done_handler
1015 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst);
1018 * @brief Commit changes for a pp object
1019 * @param[in] pp A pp object
1020 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1023 tdm_pp_commit(tdm_pp *pp);
1026 * @brief Destroy a capture object
1027 * @param[in] capture A capture object
1028 * @see tdm_output_create_capture, tdm_layer_create_capture
1031 tdm_capture_destroy(tdm_capture *capture);
1034 * @brief Set the geometry information to a capture object
1035 * @param[in] capture A capture object
1036 * @param[in] info The geometry information
1037 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1038 * @see tdm_capture_commit
1041 tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info);
1044 * @brief Set the capture done handler to a capture object
1046 * The user capture done handler will be called after capturing a screen into a
1048 * @param[in] capture A capture object
1049 * @param[in] func A user capture done handler
1050 * @param[in] user_data The user data
1051 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1054 tdm_capture_set_done_handler(tdm_capture *capture, tdm_capture_done_handler func, void *user_data);
1057 * @brief Attach a TDM buffer to a capture object
1058 * @param[in] capture A capture object
1059 * @param[in] buffer A TDM buffer
1060 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1061 * @see tdm_capture_commit, tdm_capture_set_done_handler
1064 tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer);
1067 * @brief Commit changes for a capture object
1068 * @param[in] capture A capture object
1069 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1072 tdm_capture_commit(tdm_capture *capture);
1075 * @brief The release handler of a TDM buffer
1076 * @param[in] buffer A TDM buffer
1077 * @param[in] user_data user data
1078 * @see tdm_buffer_add_release_handler, tdm_buffer_remove_release_handler
1080 typedef void (*tdm_buffer_release_handler)(tbm_surface_h buffer,
1084 * @brief Add a release handler to a TDM buffer
1086 * TDM has its own buffer release mechanism to let an frontend user know when a TDM buffer
1087 * becomes available for a next job. A TDM buffer can be used for TDM to show
1088 * it on screen or to capture an output and a layer. After all operations,
1089 * TDM will release it immediately when TDM doesn't need it any more.
1090 * @param[in] buffer A TDM buffer
1091 * @param[in] func A release handler
1092 * @param[in] user_data user data
1093 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1094 * @see tdm_buffer_remove_release_handler
1097 tdm_buffer_add_release_handler(tbm_surface_h buffer,
1098 tdm_buffer_release_handler func, void *user_data);
1101 * @brief Remove a release handler from a TDM buffer
1102 * @param[in] buffer A TDM buffer
1103 * @param[in] func A release handler
1104 * @param[in] user_data user data
1105 * @see tdm_buffer_add_release_handler
1108 tdm_buffer_remove_release_handler(tbm_surface_h buffer,
1109 tdm_buffer_release_handler func, void *user_data);
1112 * @brief The handler of a vblank object
1113 * @see #tdm_vblank_wait, #tdm_vblank_wait_seq
1115 typedef void (*tdm_vblank_handler)(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1116 unsigned int tv_sec, unsigned int tv_usec, void *user_data);
1119 * @brief Set the vblank fps for the given PID and name.
1120 * @param[in] pid The process ID
1121 * @param[in] name The client vblank name
1122 * @param[in] fps The client vblank fps
1123 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1126 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
1129 * @brief Set the vblank global fps for the entire system.
1130 * @param[in] enable 1:enable, 0:disable
1131 * @param[in] fps The vblank global fps
1133 * This global fps will be applied to all client's vblanks for all outputs.
1134 * If the client's vblank fps is less than this, the global fps will be ignored
1135 * for that client. And if a client calls #tdm_vblank_ignore_global_fps to ignore
1136 * the global fps, it will be ignored also.
1137 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1140 tdm_vblank_enable_global_fps(unsigned int enable, unsigned int fps);
1143 * @brief Create a vblank object
1144 * @param[in] dpy A display object
1145 * @param[in] output A output object
1146 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
1147 * @return A vblank object
1148 * @see #tdm_vblank_destroy
1151 tdm_vblank_create(tdm_display *dpy, tdm_output *output, tdm_error *error);
1154 * @brief Destroy a vblank object
1155 * @param[in] vblank A vblank object
1156 * @see #tdm_vblank_create
1159 tdm_vblank_destroy(tdm_vblank *vblank);
1162 * @brief Set the name to a vblank object
1163 * @details The default name is "unknown"
1164 * @param[in] vblank A vblank object
1165 * @param[in] name vblank name
1166 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1169 tdm_vblank_set_name(tdm_vblank *vblank, const char *name);
1172 * @brief Get the name for a vblank object
1173 * @details The default name is "unknown"
1174 * @param[in] vblank A vblank object
1175 * @param[out] name vblank name
1176 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1179 tdm_vblank_get_name(tdm_vblank *vblank, const char **name);
1182 * @brief Set the fps to a vblank object
1183 * @details Default is the @b vertical @b refresh @b rate of the given output.
1184 * @param[in] vblank A vblank object
1185 * @param[in] fps over 0
1186 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1189 tdm_vblank_set_fps(tdm_vblank *vblank, unsigned int fps);
1192 * @brief Get the fps for a vblank object
1193 * @param[in] vblank A vblank object
1194 * @param[out] fps over 0
1195 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1198 tdm_vblank_get_fps(tdm_vblank *vblank, unsigned int *fps);
1201 * @brief Ignore the vblank global fps
1203 * The global fps will be applied to all client's vblanks for all outputs.
1204 * If the client's vblank fps is less than this, the global fps will be ignored
1205 * for that client. And if a client calls #tdm_vblank_ignore_global_fps to ignore
1206 * the global fps, it will be ignored also.
1207 * @param[in] vblank A vblank object
1208 * @param[in] ignore 1: ignore 0:not ignore(default)
1209 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1212 tdm_vblank_ignore_global_fps(tdm_vblank *vblank, unsigned int ignore);
1215 * @brief Set the offset(milli-second) to a vblank object
1216 * @details Default is @b 0.
1217 * @param[in] vblank A vblank object
1218 * @param[in] offset the offset(milli-second)
1219 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1222 tdm_vblank_set_offset(tdm_vblank *vblank, int offset);
1225 * @brief Get the offset(milli-second) for a vblank object
1226 * @param[in] vblank A vblank object
1227 * @param[out] offset the offset(milli-second)
1228 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1231 tdm_vblank_get_offset(tdm_vblank *vblank, int *offset);
1234 * @brief Enable/Disable the fake vblank to a vblank object
1236 * If enable_fake == 0, #tdm_vblank_wait will return TDM_ERROR_DPMS_OFF
1237 * when DPMS off. Otherwise, #tdm_vblank_wait will return TDM_ERROR_NONE
1239 * @param[in] vblank A vblank object
1240 * @param[in] enable_fake 1:enable, 0:disable
1241 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1244 tdm_vblank_set_enable_fake(tdm_vblank *vblank, unsigned int enable_fake);
1247 * @brief Get the fake vblank
1248 * @param[in] vblank A vblank object
1249 * @param[out] enable_fake 1:enable, 0:disable
1250 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1253 tdm_vblank_get_enable_fake(tdm_vblank *vblank, unsigned int *enable_fake);
1256 * @brief Wait for a vblank
1258 * Once #tdm_vblank_wait returns TDM_ERROR_NONE, the user vblank handler(#tdm_vblank_handler)
1259 * SHOULD be called after the given interval. \n
1260 * The sequence value of tdm_vblank_handler is the relative value of fps.
1261 * If fps = 10, this sequence value should be increased by 10 during 1 second.
1262 * @param[in] vblank A vblank object
1263 * @param[in] req_sec The vblank request time(second)
1264 * @param[in] req_usec The vblank request time(micro-second)
1265 * @param[in] interval The vblank interval
1266 * @param[in] func The user vblank handler
1267 * @param[in] user_data The user data
1268 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1271 tdm_vblank_wait(tdm_vblank *vblank, unsigned int req_sec, unsigned int req_usec,
1272 unsigned int interval, tdm_vblank_handler func, void *user_data);
1275 * @brief Wait for a vblank with the target sequence number
1276 * @param[in] vblank A vblank object
1277 * @param[in] req_sec The vblank request time(second)
1278 * @param[in] req_usec The vblank request time(micro-second)
1279 * @param[in] sequence The target sequence number
1280 * @param[in] func The user client vblank handler
1281 * @param[in] user_data The user data
1282 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1285 tdm_vblank_wait_seq(tdm_vblank *vblank, unsigned int req_sec, unsigned int req_usec,
1286 unsigned int sequence, tdm_vblank_handler func, void *user_data);
1292 #endif /* _TDM_H_ */