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 <sys/types.h>
41 #include <tbm_surface.h>
42 #include <tbm_surface_queue.h>
43 #include <tbm_surface_internal.h>
45 #include "tdm_types.h"
53 * @brief The header file for a frontend user.
56 * #include <tdm.h> //for a frontend user
61 * @brief The display capability enumeration
64 TDM_DISPLAY_CAPABILITY_PP = (1 << 0), /**< if hardware supports pp operation */
65 TDM_DISPLAY_CAPABILITY_CAPTURE = (1 << 1), /**< if hardware supports capture 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 synchronously
529 * @param[in] output A output object
530 * @param[in] dpms_value DPMS value
531 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
532 * @see tdm_output_set_dpms_async
535 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value);
538 * @brief Set DPMS of a output object asynchronously
539 * @details This function can be used when a output supports the asynchronous DPMS
540 * control. The output has #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS flags which
541 * #tdm_output_get_capabilities returns. If an output change handler is added with
542 * #tdm_output_add_change_handler, the output change handler will be called when
543 * the DPMS status is changed indeed.
544 * @param[in] output A output object
545 * @param[in] dpms_value DPMS value
546 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
547 * @see tdm_output_add_change_handler, tdm_output_set_dpms,
548 * tdm_output_get_capabilities, #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS.
551 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value);
554 * @brief Get DPMS of a output object
555 * @param[in] output A output object
556 * @param[out] dpms_value DPMS value
557 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
560 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value);
563 * @brief Create a capture object of a output object
564 * @param[in] output A output object
565 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
566 * @return A capture object
567 * @see tdm_capture_destroy
570 tdm_output_create_capture(tdm_output *output, tdm_error *error);
573 * @brief Creates a new window on the given display.
574 * @param[in] output A output object
575 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
576 * @return A created window object
580 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error);
583 * @brief Creates a new video window on the given output.
584 * @param[in] output A output object
585 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
586 * @return A created window object
590 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error);
593 * @brief Destroys the given window.
594 * @param[in] output A output object
595 * @param[in] window the pointer of the window to destroy
596 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
600 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window);
603 * @brief Set the client(relative to the TDM) target buffer
604 * @details Sets the buffer which will receive the output of client composition.
605 * Window marked as TDM_COMPOSITION_CLIENT or TDM_COMPOSITION_DEVICE_CANDIDATE
606 * will be composited into this buffer prior to the call to tdm_output_commit(),
607 * and windows not marked as TDM_COMPOSITION_CLIENT and
608 * TDM_COMPOSITION_DEVICE_CANDIDATE should be composited with this buffer by the
611 * The buffer handle provided may be null if no windows are being composited by
612 * the client. This must not result in an error (unless an invalid display
613 * handle is also provided).
615 * The damage parameter describes a buffer damage region as defined in the
616 * description of tdm_hwc_window_set_buffer_damage().
618 * List of composited hwc_windows (hwc_windows which buffers are presented on #target_buffer)
619 * should be passed along with #target_buffer to allow tdm to make the smooth transition
620 * from a DEVICE type to a CLIENT type.
622 * Should be called before tdm_output_commit() if any of the layers are marked as
623 * TDM_COMPOSITION_CLIENT or TDM_COMPOSITION_DEVICE_CANDIDATE. If no layers are
624 * so marked, then it is not necessary to call this function. It is not necessary
625 * to call tdm_output_hwc_validate() after changing the target through this function.
626 * @param[in] output A output object
627 * @param[in] target_buffer The new target buffer
628 * @param[in] damage The buffer damage region
629 * @param[in] composited_wnds The array of composited hwc_wnds
630 * @param[in] num_wnds The size of #composited_wnds array
631 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
635 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage);
638 * @brief Unset the client(relative to the TDM) target buffer
640 * @param[in] output A output object
641 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
645 tdm_output_hwc_unset_client_target_buffer(tdm_output *output);
648 * @brief Validate the output
649 * @details Instructs the device to inspect all of the layer state and
650 * determine if there are any composition type changes necessary before
651 * presenting the output. Permitted changes are described in the definition
652 * of tdm_hwc_window_composition_t above.
653 * @param[in] output A output object
654 * @param[out] num_types The number of composition type changes required by
655 * the device; if greater than 0, the client must either set and validate new
656 * types, or call tdm_output_hwc_accept_changes() to accept the changes returned by
657 * tdm_output_hwc_get_changed_composition_types(); must be the same as the number of
658 * changes returned by tdm_output_hwc_get_changed_composition_types (see the
659 * declaration of that function for more information); pointer will be non-NULL
660 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
664 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds, uint32_t num_wnds,
665 uint32_t *num_types);
668 * @brief Set the 'need to validate' handler for the 'output'
670 * @details During backend's work it may need to ask for the revalidation
671 * (make client (E20) do tdm_output_hwc_validate() again), so a 'hndl' will
672 * be called as such need happen. Only one handler per output is supported.
674 * @param[in] output The output object a hndl is going to be registered for.
675 * @param[in] hndl The handler which will be called on the 'need to validate' event.
677 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
681 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
682 tdm_output_need_validate_handler hndl);
685 * @brief Get changed composition types
686 * @details Retrieves the windows for which the device requires a different
687 * composition type than had been set prior to the last call to tdm_output_hwc_validate().
688 * The client will either update its state with these types and call
689 * tdm_output_hwc_accept_changes, or will set new types and attempt to validate the
691 * windows and types may be NULL to retrieve the number of elements which
692 * will be returned. The number of elements returned must be the same as the
693 * value returned in num_types from the last call to tdm_output_hwc_validate().
694 * @param[in] output A output object
695 * @param[out] num_elements If windows or types were NULL, the number of layers
696 * and types which would have been returned; if both were non-NULL, the
697 * number of elements returned in layers and types, which must not exceed
698 * the value stored in num_elements prior to the call; pointer will be
700 * @param[in] output A output object
701 * @param[out] windows An array of windows
702 * @param[out] composition_types An array of composition types, each corresponding
703 * to an element of windows
704 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
708 tdm_output_hwc_get_changed_composition_types(tdm_output *output,uint32_t *num_elements,
709 tdm_hwc_window **hwc_window,
710 tdm_hwc_window_composition *composition_types);
713 * @brief Accepts the changes required by the device
714 * @details Accepts the changes required by the device from the previous
715 * tdm_output_hwc_validate() call (which may be queried using
716 * tdm_output_get_chaged_composition_types()) and revalidates the display. This
717 * function is equivalent to requesting the changed types from
718 * tdm_output_get_chaged_composition_types(), setting those types on the
719 * corresponding windows, and then calling tdm_output_hwc_validate again.
720 * After this call it must be valid to present this display. Calling this after
721 * tdm_output_hwc_validate() returns 0 changes must succeed with TDM_ERROR_NONE, but
722 * should have no other effect.
723 * @param[in] output A output object
724 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
728 tdm_output_hwc_accept_changes(tdm_output *output);
731 * @brief Get a target buffer queue
732 * @details Buffers from target buffer queue will receive the output of
733 * client composition. Window marked as TDM_COMPOSITION_CLIENT or
734 * TDM_COMPOSITION_DEVICE_CANDIDATE will be composited into this buffers
735 * prior to the call to tdm_output_commit().
736 * @param[in] output A output object
737 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
738 * @return A buffer queue
742 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error);
745 * @brief Get the supported format array for video hwc windows of a output object.
746 * @param[in] output A output object
747 * @param[out] formats The available format array
748 * @param[out] count The count of formats
749 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
752 tdm_output_hwc_get_video_supported_formats(tdm_layer *layer, const tbm_format **formats,
756 * @brief Get the capabilities of a layer object.
757 * @param[in] layer A layer object
758 * @param[out] capabilities The capabilities of a layer object
759 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
762 tdm_layer_get_capabilities(tdm_layer *layer,
763 tdm_layer_capability *capabilities);
766 * @brief Get the available format array of a layer object.
767 * @param[in] layer A layer object
768 * @param[out] formats The available format array
769 * @param[out] count The count of formats
770 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
773 tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats,
777 * @brief Get the available property array of a layer object.
778 * @param[in] layer A layer object
779 * @param[out] props The available property array
780 * @param[out] count The count of properties
781 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
784 tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props,
788 * @brief Get the zpos of a layer object.
790 * - GRAPHIC layers have fixed zpos. It starts from 0. It's @b non-changeable.
791 * - But the zpos of VIDEO layers will be decided by a backend module side.
792 * - A frontend user only can set the relative zpos to VIDEO layers via #tdm_layer_set_video_pos
793 * - The zpos of video layers is less than GRAPHIC layers or more than GRAPHIC
794 * layers. ie, ..., -2, -1, 4, 5, ... (if 0 <= GRAPHIC layer's zpos < 4).
795 * -------------------------------- graphic layer 3 <-- top most layer
796 * -------------------------------- graphic layer 2
797 * -------------------------------- graphic layer 1
798 * -------------------------------- graphic layer 0
799 * -------------------------------- video layer -1
800 * -------------------------------- video layer -2 <-- lowest layer
801 * @param[in] layer A layer object
802 * @param[out] zpos The zpos
803 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
804 * @see tdm_layer_set_video_pos, tdm_layer_capability
807 tdm_layer_get_zpos(tdm_layer *layer, int *zpos);
810 * @brief Set the property which has a given id.
811 * @param[in] layer A layer object
812 * @param[in] id The property id
813 * @param[in] value The value
814 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
817 tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value);
820 * @brief Get the property which has a given id.
821 * @param[in] layer A layer object
822 * @param[in] id The property id
823 * @param[out] value The value
824 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
827 tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value);
830 * @brief Set the geometry information to a layer object
831 * @details The geometry information will be applied when the output object
832 * of a layer object is committed. If a layer has TDM_LAYER_CAPABILITY_NO_CROP
833 * capability, a layer will ignore the pos(crop) information of #tdm_info_layer's
835 * @param[in] layer A layer object
836 * @param[in] info The geometry information
837 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
838 * @see tdm_layer_commit
841 tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info);
844 * @brief Get the geometry information to a layer object
845 * @param[in] layer A layer object
846 * @param[out] info The geometry information
847 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
850 tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info);
853 * @brief Set a TDM buffer to a layer object
854 * @details A TDM buffer will be applied when the output object
855 * of a layer object is committed.
856 * @param[in] layer A layer object
857 * @param[in] buffer A TDM buffer
858 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
859 * @see tdm_layer_commit
862 tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer);
865 * @brief Unset a TDM buffer from a layer object
866 * @details When this function is called, a current showing buffer will be
867 * disappeared from screen. Then nothing is showing on a layer object.
868 * @param[in] layer A layer object
869 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
872 tdm_layer_unset_buffer(tdm_layer *layer);
875 * @brief Commit changes for a layer object
876 * @details After all change of a layer object are applied, a user commit handler
878 * @param[in] layer A layer object
879 * @param[in] func A user commit handler
880 * @param[in] user_data The user data
881 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
884 tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
887 tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing);
890 * @brief Remove the user commit handler
891 * @param[in] layer A layer object
892 * @param[in] func A user commit handler
893 * @param[in] user_data The user data
894 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
897 tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
900 * @brief Get a displaying TDM buffer from a layer object
901 * @details A displaying TDM buffer is a current showing buffer on screen
902 * that is set to layer object and applied output object of a layer object.
903 * @param[in] layer A layer object
904 * @return A TDM buffer if success. Otherwise, NULL.
907 tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error);
910 * @brief Set a TBM surface_queue to a layer object
911 * @details A TBM surface_queue will be applied when the output object
912 * of a layer object is committed. and TDM layer will be automatically updated
913 * @param[in] layer A layer object
914 * @param[in] buffer_queue A TBM surface_queue
915 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
916 * @see tdm_layer_commit
919 tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue);
922 * @brief Unset a TBM surface_queue from a layer object
923 * @details When this function is called, a current surface_queue will be
924 * disappeared from screen. Then nothing is showing on a layer object.
925 * @param[in] layer A layer object
926 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
929 tdm_layer_unset_buffer_queue(tdm_layer *layer);
932 * @brief Check wheter a layer object is available for a frontend user to use.
933 * @details A layer object is not usable if a TDM buffer is showing on screen
934 * via this layer object. By calling #tdm_layer_unset_buffer, this layer object
935 * will become usable.
936 * @param[in] layer A layer object
937 * @param[out] usable 1 if usable, 0 if not usable
938 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
941 tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable);
944 * @brief Set the relative zpos to a VIDEO layer object
945 * @details The zpos value is less than the minimum zpos of GRAPHIC layers, or
946 * it is more than the maximum zpos of GRAPHIC layers.
947 * @param[in] layer A VIDEO layer object
948 * @param[in] zpos The zpos
949 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
950 * @see tdm_layer_get_zpos, tdm_layer_capability
953 tdm_layer_set_video_pos(tdm_layer *layer, int zpos);
956 * @brief Create a capture object of a layer object
957 * @param[in] layer A layer object
958 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
959 * @return A capture object
960 * @see tdm_capture_destroy
963 tdm_layer_create_capture(tdm_layer *layer, tdm_error *error);
966 * @brief Get buffer flags from a layer object
967 * @param[in] layer A layer object
968 * @param[out] flags a buffer flags value
969 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
972 tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags);
975 * @brief Get a buffer queue for the window object
976 * @details These buffers are used to composite by hardware a client content in
978 * @param[in] hwc_window A window object
979 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
980 * @return A tbm buffer queue
984 tdm_hwc_window_get_tbm_buffer_queue(tdm_hwc_window *hwc_window, tdm_error *error);
987 * @brief Sets the desired composition type of the given window.
988 * @details During tdm_output_hwc_validate(), the device may request changes to
989 * the composition types of any of the layers as described in the definition
990 * of tdm_hwc_window_composition_t above.
991 * @param[in] hwc_window A window object
992 * @param[in] composition_type The new composition type
993 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
997 tdm_hwc_window_set_composition_type(tdm_hwc_window *hwc_window,
998 tdm_hwc_window_composition composition_type);
1001 * @brief Set the buffer damage
1002 * @details Provides the region of the source buffer which has been modified
1003 * since the last frame. This region does not need to be validated before
1004 * calling tdm_output_commit().
1005 * Once set through this function, the damage region remains the same until a
1006 * subsequent call to this function.
1007 * If damage.num_rects > 0, then it may be assumed that any portion of the source
1008 * buffer not covered by one of the rects has not been modified this frame. If
1009 * damage.num_rects == 0, then the whole source buffer must be treated as if it
1010 * has been modified.
1011 * If the layer's contents are not modified relative to the prior frame, damage
1012 * will contain exactly one empty rect([0, 0, 0, 0]).
1013 * The damage rects are relative to the pre-transformed buffer, and their origin
1014 * is the top-left corner. They will not exceed the dimensions of the latched
1016 * @param[in] hwc_window A window object
1017 * @param[in] damage The new buffer damage region
1018 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1022 tdm_hwc_window_set_buffer_damage(tdm_hwc_window *hwc_window, tdm_hwc_region damage);
1025 * @brief Set the information to a window object
1026 * @details The information will be applied when the output object of a window
1027 * object is committed.
1028 * @param[in] hwc_window A window object
1029 * @param[in] info The information
1030 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1034 tdm_hwc_window_set_info(tdm_hwc_window *hwc_window, tdm_hwc_window_info *info);
1037 * @brief Set a TBM buffer to a window object
1038 * @details A TBM buffer will be applied when the output object of a layer
1039 * object is committed.
1040 * @param[in] hwc_window A window object
1041 * @param[in] buffer A TDM buffer
1042 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1043 * @return #TDM_ERROR_BUSY if #hwc_window can't be updated right now, this
1044 * can happen if #hwc_window is involved in the smooth transition from
1045 * DEVICE to CLIENT, this shouldn't be interpreted like some critical error.
1049 tdm_hwc_window_set_buffer(tdm_hwc_window *hwc_window, tbm_surface_h buffer);
1052 * @brief Unset a TBM buffer to a window object
1053 * @details A TBM buffer will be applied when the output object of a layer
1054 * object is committed.
1055 * @param[in] hwc_window A window object
1056 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1057 * @return #TDM_ERROR_BUSY if #hwc_window can't be updated right now, this
1058 * can happen if #hwc_window is involved in the smooth transition from
1059 * DEVICE to CLIENT, this shouldn't be interpreted like some critical error.
1063 tdm_hwc_window_unset_buffer(tdm_hwc_window *hwc_window);
1066 * @brief Set a flags to a window object
1067 * @param[in] hwc_window A window object
1068 * @param[in] flags A hwc_window flags
1069 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1073 tdm_hwc_window_set_flags(tdm_hwc_window *hwc_window, tdm_hwc_window_flag flags);
1076 * @brief Unset a flags from a window object
1077 * @param[in] hwc_window A window object
1078 * @param[in] flags A hwc_window flags
1079 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1083 tdm_hwc_window_unset_flags(tdm_hwc_window *hwc_window, tdm_hwc_window_flag flags);
1086 * @brief Get the available property array of a video hwc window object.
1087 * @param[in] hwc window A video hwc window object
1088 * @param[out] props The available property array
1089 * @param[out] count The count of properties
1090 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1093 tdm_hwc_window_video_get_available_properties(tdm_hwc_window *hwc_window,
1094 const tdm_prop **props, int *count);
1097 * @brief Get the property which has a given id.
1098 * @param[in] hwc window A video hwc window object
1099 * @param[in] id The property id
1100 * @param[out] value The value
1101 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1104 tdm_hwc_window_video_get_property(tdm_hwc_window *hwc_window, uint32_t id,
1108 * @brief Set the property which has a given id.
1109 * @param[in] hwc window A video hwc window object
1110 * @param[in] id The property id
1111 * @param[in] value The value
1112 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1115 tdm_hwc_window_video_set_property(tdm_hwc_window *hwc_window, uint32_t id,
1119 * @brief Get the window video capability
1120 * @param[in] hwc_window A window object
1121 * @param[out] video_capability A hwc window video capability
1122 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1126 tdm_hwc_window_video_get_capability(tdm_hwc_window *hwc_window,
1127 tdm_hwc_window_video_capability *video_capability);
1130 * @brief Destroy a pp object
1131 * @param[in] pp A pp object
1132 * @see tdm_display_create_pp
1135 tdm_pp_destroy(tdm_pp *pp);
1138 * @brief Set the geometry information to a pp object
1139 * @param[in] pp A pp object
1140 * @param[in] info The geometry information
1141 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1142 * @see tdm_pp_commit
1145 tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info);
1148 * @brief Set the PP done handler to a pp object
1150 * The user PP done handler will be called after converting a source buffer's image
1151 * to a destination buffer.
1152 * @param[in] pp A pp object
1153 * @param[in] func A user PP done handler
1154 * @param[in] user_data The user data
1155 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1158 tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data);
1161 * @brief Attach a source buffer and a destination buffer to a pp object
1162 * @param[in] pp A pp object
1163 * @param[in] src A source buffer
1164 * @param[in] dst A destination buffer
1165 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1166 * @see tdm_pp_commit, tdm_pp_set_done_handler
1169 tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst);
1172 * @brief Commit changes for a pp object
1173 * @param[in] pp A pp object
1174 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1177 tdm_pp_commit(tdm_pp *pp);
1180 * @brief Destroy a capture object
1181 * @param[in] capture A capture object
1182 * @see tdm_output_create_capture, tdm_layer_create_capture
1185 tdm_capture_destroy(tdm_capture *capture);
1188 * @brief Set the geometry information to a capture object
1189 * @param[in] capture A capture object
1190 * @param[in] info The geometry information
1191 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1192 * @see tdm_capture_commit
1195 tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info);
1198 * @brief Set the capture done handler to a capture object
1200 * The user capture done handler will be called after capturing a screen into a
1202 * @param[in] capture A capture object
1203 * @param[in] func A user capture done handler
1204 * @param[in] user_data The user data
1205 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1208 tdm_capture_set_done_handler(tdm_capture *capture, tdm_capture_done_handler func, void *user_data);
1211 * @brief Attach a TDM buffer to a capture object
1212 * @param[in] capture A capture object
1213 * @param[in] buffer A TDM buffer
1214 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1215 * @see tdm_capture_commit, tdm_capture_set_done_handler
1218 tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer);
1221 * @brief Commit changes for a capture object
1222 * @param[in] capture A capture object
1223 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1226 tdm_capture_commit(tdm_capture *capture);
1229 * @brief The release handler of a TDM buffer
1230 * @param[in] buffer A TDM buffer
1231 * @param[in] user_data user data
1232 * @see tdm_buffer_add_release_handler, tdm_buffer_remove_release_handler
1234 typedef void (*tdm_buffer_release_handler)(tbm_surface_h buffer,
1238 * @brief Add a release handler to a TDM buffer
1240 * TDM has its own buffer release mechanism to let an frontend user know when a TDM buffer
1241 * becomes available for a next job. A TDM buffer can be used for TDM to show
1242 * it on screen or to capture an output and a layer. After all operations,
1243 * TDM will release it immediately when TDM doesn't need it any more.
1244 * @param[in] buffer A TDM buffer
1245 * @param[in] func A release handler
1246 * @param[in] user_data user data
1247 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1248 * @see tdm_buffer_remove_release_handler
1251 tdm_buffer_add_release_handler(tbm_surface_h buffer,
1252 tdm_buffer_release_handler func, void *user_data);
1255 * @brief Remove a release handler from a TDM buffer
1256 * @param[in] buffer A TDM buffer
1257 * @param[in] func A release handler
1258 * @param[in] user_data user data
1259 * @see tdm_buffer_add_release_handler
1262 tdm_buffer_remove_release_handler(tbm_surface_h buffer,
1263 tdm_buffer_release_handler func, void *user_data);
1266 * @brief The handler of a vblank object
1267 * @see #tdm_vblank_wait, #tdm_vblank_wait_seq
1269 typedef void (*tdm_vblank_handler)(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1270 unsigned int tv_sec, unsigned int tv_usec, void *user_data);
1273 * @brief Set the vblank fps for the given PID and name.
1274 * @param[in] pid The process ID
1275 * @param[in] name The client vblank name
1276 * @param[in] fps The client vblank fps
1277 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1280 tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
1283 * @brief Set the ignore global fps for the given PID and name.
1284 * @param[in] pid The process ID
1285 * @param[in] name The client vblank name
1286 * @param[in] ignore 1: ignore 0:not ignore(default)
1287 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1290 tdm_vblank_set_client_ignore_global_fps(unsigned int pid, const char *name, unsigned int ignore);
1293 * @brief Set the vblank global fps for the entire system.
1294 * @param[in] enable 1:enable, 0:disable
1295 * @param[in] fps The vblank global fps
1297 * This global fps will be applied to all client's vblanks for all outputs.
1298 * If the client's vblank fps is less than this, the global fps will be ignored
1299 * for that client. And if a client calls #tdm_vblank_ignore_global_fps to ignore
1300 * the global fps, it will be ignored also.
1301 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1304 tdm_vblank_enable_global_fps(unsigned int enable, unsigned int fps);
1307 * @brief Add the vblank create handler.
1308 * @param[in] dpy A display object
1309 * @param[in] func The user vblank create handler
1310 * @param[in] user_data The user data
1312 * The user vblank create handler will be called when new vblank object created.
1313 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1316 tdm_vblank_add_create_handler(tdm_display *dpy, tdm_vblank_create_handler func, void *user_data);
1319 * @brief Remove the vblank create handler.
1320 * @param[in] dpy A display object
1321 * @param[in] func The user vblank create handler
1322 * @param[in] user_data The user data
1323 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1326 tdm_vblank_remove_create_handler(tdm_display *dpy, tdm_vblank_create_handler func, void *user_data);
1329 * @brief Create a vblank object
1330 * @param[in] dpy A display object
1331 * @param[in] output A output object
1332 * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
1333 * @return A vblank object
1334 * @see #tdm_vblank_destroy
1337 tdm_vblank_create(tdm_display *dpy, tdm_output *output, tdm_error *error);
1340 * @brief Destroy a vblank object
1341 * @param[in] vblank A vblank object
1342 * @see #tdm_vblank_create
1345 tdm_vblank_destroy(tdm_vblank *vblank);
1348 * @brief Get the client PID for a vblank object
1349 * @param[in] vblank A vblank object
1350 * @param[out] pid PID of vblank's client
1351 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1354 tdm_vblank_get_client_pid(tdm_vblank *vblank, pid_t *pid);
1357 * @brief Set the name to a vblank object
1358 * @details The default name is "unknown"
1359 * @param[in] vblank A vblank object
1360 * @param[in] name vblank name
1361 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1364 tdm_vblank_set_name(tdm_vblank *vblank, const char *name);
1367 * @brief Get the name for a vblank object
1368 * @details The default name is "unknown"
1369 * @param[in] vblank A vblank object
1370 * @param[out] name vblank name
1371 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1374 tdm_vblank_get_name(tdm_vblank *vblank, const char **name);
1377 * @brief Set the fps to a vblank object
1378 * @details Default is the @b vertical @b refresh @b rate of the given output.
1379 * It could be ignored when the fixed fps is set by #tdm_vblank_set_fixed_fps
1380 * @param[in] vblank A vblank object
1381 * @param[in] fps over 0
1382 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1385 tdm_vblank_set_fps(tdm_vblank *vblank, unsigned int fps);
1388 * @brief Get the fps for a vblank object
1389 * @param[in] vblank A vblank object
1390 * @param[out] fps over 0
1391 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1394 tdm_vblank_get_fps(tdm_vblank *vblank, unsigned int *fps);
1397 * @brief Set the fixed fps to a vblank object
1399 * It could be ignored when the global fps is set by #tdm_vblank_enable_global_fps
1400 * @param[in] vblank A vblank object
1401 * @param[in] fps over 0
1402 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1405 tdm_vblank_set_fixed_fps(tdm_vblank *vblank, unsigned int fps);
1408 * @brief Ignore the vblank global fps
1410 * The global fps will be applied to all client's vblanks for all outputs.
1411 * If the client's vblank fps is less than this, the global fps will be ignored
1412 * for that client. And if a client calls #tdm_vblank_ignore_global_fps to ignore
1413 * the global fps, it will be ignored also.
1414 * @param[in] vblank A vblank object
1415 * @param[in] ignore 1: ignore 0:not ignore(default)
1416 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1419 tdm_vblank_ignore_global_fps(tdm_vblank *vblank, unsigned int ignore);
1422 * @brief Set the offset(milli-second) to a vblank object
1423 * @details Default is @b 0.
1424 * @param[in] vblank A vblank object
1425 * @param[in] offset the offset(milli-second)
1426 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1429 tdm_vblank_set_offset(tdm_vblank *vblank, int offset);
1432 * @brief Get the offset(milli-second) for a vblank object
1433 * @param[in] vblank A vblank object
1434 * @param[out] offset the offset(milli-second)
1435 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1438 tdm_vblank_get_offset(tdm_vblank *vblank, int *offset);
1441 * @brief Enable/Disable the fake vblank to a vblank object
1443 * If enable_fake == 0, #tdm_vblank_wait will return TDM_ERROR_DPMS_OFF
1444 * when DPMS off. Otherwise, #tdm_vblank_wait will return TDM_ERROR_NONE
1446 * @param[in] vblank A vblank object
1447 * @param[in] enable_fake 1:enable, 0:disable
1448 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1451 tdm_vblank_set_enable_fake(tdm_vblank *vblank, unsigned int enable_fake);
1454 * @brief Get the fake vblank
1455 * @param[in] vblank A vblank object
1456 * @param[out] enable_fake 1:enable, 0:disable
1457 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1460 tdm_vblank_get_enable_fake(tdm_vblank *vblank, unsigned int *enable_fake);
1463 * @brief Wait for a vblank
1465 * Once #tdm_vblank_wait returns TDM_ERROR_NONE, the user vblank handler(#tdm_vblank_handler)
1466 * SHOULD be called after the given interval. \n
1467 * The sequence value of tdm_vblank_handler is the relative value of fps.
1468 * If fps = 10, this sequence value should be increased by 10 during 1 second.
1469 * @param[in] vblank A vblank object
1470 * @param[in] req_sec The vblank request time(second)
1471 * @param[in] req_usec The vblank request time(micro-second)
1472 * @param[in] interval The vblank interval
1473 * @param[in] func The user vblank handler
1474 * @param[in] user_data The user data
1475 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1478 tdm_vblank_wait(tdm_vblank *vblank, unsigned int req_sec, unsigned int req_usec,
1479 unsigned int interval, tdm_vblank_handler func, void *user_data);
1482 * @brief Wait for a vblank with the target sequence number
1483 * @param[in] vblank A vblank object
1484 * @param[in] req_sec The vblank request time(second)
1485 * @param[in] req_usec The vblank request time(micro-second)
1486 * @param[in] sequence The target sequence number
1487 * @param[in] func The user client vblank handler
1488 * @param[in] user_data The user data
1489 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
1492 tdm_vblank_wait_seq(tdm_vblank *vblank, unsigned int req_sec, unsigned int req_usec,
1493 unsigned int sequence, tdm_vblank_handler func, void *user_data);
1499 #endif /* _TDM_H_ */