/**************************************************************************
-
-libtdm
-
-Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
-
-Contact: Eunchul Kim <chulspro.kim@samsung.com>,
- JinYoung Jeon <jy0.jeon@samsung.com>,
- Taeheon Kim <th908.kim@samsung.com>,
- YoungJun Cho <yj44.cho@samsung.com>,
- SooChan Lim <sc1.lim@samsung.com>,
- Boram Park <sc1.lim@samsung.com>
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sub license, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice (including the
-next paragraph) shall be included in all copies or substantial portions
-of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
-ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+ *
+ * libtdm
+ *
+ * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
+ *
+ * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
+ * JinYoung Jeon <jy0.jeon@samsung.com>,
+ * Taeheon Kim <th908.kim@samsung.com>,
+ * YoungJun Cho <yj44.cho@samsung.com>,
+ * SooChan Lim <sc1.lim@samsung.com>,
+ * Boram Park <boram1288.park@samsung.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
**************************************************************************/
#ifndef _TDM_H_
#define _TDM_H_
#include <stdint.h>
+#include <sys/types.h>
#include <tbm_surface.h>
+#include <tbm_surface_queue.h>
#include <tbm_surface_internal.h>
#include "tdm_types.h"
+#include "tdm_deprecated.h"
#ifdef __cplusplus
extern "C" {
#endif
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @file tdm.h
+ * @brief The header file for a frontend user.
+ * @par Example
+ * @code
+ * #include <tdm.h> //for a frontend user
+ * @endcode
+ */
+
+/**
+ * @brief Initialize a display object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A display object
+ * @see tdm_display_deinit
+ */
+tdm_display *
+tdm_display_init(tdm_error *error);
+
+/**
+ * @brief Deinitialize a display object
+ * @param[in] dpy A display object
+ * @see tdm_display_init
+ */
+void
+tdm_display_deinit(tdm_display *dpy);
+
+/**
+ * @brief Get the file descriptor
+ * @details TDM handles the events of fd with #tdm_display_handle_events.
+ * @param[in] dpy A display object
+ * @param[out] fd The file descriptor
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_display_handle_events
+ */
+tdm_error
+tdm_display_get_fd(tdm_display *dpy, int *fd);
+
+/**
+ * @brief Handle the events
+ * @param[in] dpy A display object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_display_get_fd
+ */
+tdm_error
+tdm_display_handle_events(tdm_display *dpy);
+
+/**
+ * @brief Flush the all events to clients
+ * @param[in] dpy A display object
+ */
+void
+tdm_display_flush(tdm_display *dpy);
+
+/**
+ * @brief Get the capabilities of a display object.
+ * @details A frontend user can get whether TDM supports pp/capture functionality with this function.
+ * @param[in] dpy A display object
+ * @param[out] capabilities The capabilities of a display object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_capabilities(tdm_display *dpy,
+ tdm_display_capability *capabilities);
+
+/**
+ * @brief Get the pp capabilities of a display object.
+ * @param[in] dpy A display object
+ * @param[out] capabilities The pp capabilities
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_pp_capabilities(tdm_display *dpy,
+ tdm_pp_capability *capabilities);
+
+/**
+ * @brief Get the pp available format array of a display object.
+ * @param[in] dpy A display object
+ * @param[out] formats The pp available format array
+ * @param[out] count The count of formats
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_pp_available_formats(tdm_display *dpy,
+ const tbm_format **formats, int *count);
+
+/**
+ * @brief Get the pp available size of a display object.
+ * @details -1 means that a TDM backend module doesn't define the value.
+ * @param[in] dpy A display object
+ * @param[out] min_w The minimum width which TDM can handle
+ * @param[out] min_h The minimum height which TDM can handle
+ * @param[out] max_w The maximum width which TDM can handle
+ * @param[out] max_h The maximum height which TDM can handle
+ * @param[out] preferred_align The preferred align width which TDM can handle
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
+ int *max_w, int *max_h, int *preferred_align);
+
+/**
+ * @brief Get the pp vertical preferred align of a display object.
+ * @details -1 means that a TDM backend module doesn't define the value.
+ * @param[in] dpy A display object
+ * @param[out] preferred_align_vertical The preferred align height which TDM can handle
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_pp_preferred_align_vertical(tdm_display *dpy, int *preferred_align_vertical);
+
+
+/**
+ * @brief Get the capture capabilities of a display object.
+ * @param[in] dpy A display object
+ * @param[out] capabilities The capture capabilities
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_capture_capabilities(tdm_display *dpy,
+ tdm_capture_capability *capabilities);
+
+/**
+ * @brief Get the capture available format array of a display object.
+ * @param[in] dpy A display object
+ * @param[out] formats The capture available format array
+ * @param[out] count The count of formats
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_capture_available_formats(tdm_display *dpy,
+ const tbm_format **formats, int *count);
+
+/**
+ * @brief Get the capture available size of a display object.
+ * @details -1 means that a TDM backend module doesn't define the value.
+ * @param[in] dpy A display object
+ * @param[out] min_w The minimum width which TDM can handle
+ * @param[out] min_h The minimum height which TDM can handle
+ * @param[out] max_w The maximum width which TDM can handle
+ * @param[out] max_h The maximum height which TDM can handle
+ * @param[out] preferred_align The preferred align width which TDM can handle
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_get_capture_available_size(tdm_display *dpy, int *min_w, int *min_h,
+ int *max_w, int *max_h, int *preferred_align);
+
+/**
+ * @brief Get the output counts which a display object has.
+ * @param[in] dpy A display object
+ * @param[out] count The count of outputs
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_display_get_output
+ */
+tdm_error
+tdm_display_get_output_count(tdm_display *dpy, int *count);
+
+/**
+ * @brief Get a output object which has the given index.
+ * @param[in] dpy A display object
+ * @param[in] index The index of a output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A output object if success. Otherwise, NULL.
+ * @see tdm_display_get_output_count
+ */
+tdm_output *
+tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error);
+
+/**
+ * @brief Add a output create handler
+ * @param[in] output A output object
+ * @param[in] func A output create handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_display_add_output_create_handler(tdm_display *dpy,
+ tdm_output_create_handler func,
+ void *user_data);
+
+/**
+ * @brief Remove a output create handler
+ * @param[in] output A output object
+ * @param[in] func A output create handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+void
+tdm_display_remove_output_create_handler(tdm_display *dpy,
+ tdm_output_create_handler func,
+ void *user_data);
+
+/**
+ * @brief Find a output object which has the given name.
+ * @param[in] dpy A display object
+ * @param[in] name The name of a output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A output object if success. Otherwise, NULL.
+ */
+tdm_output *
+tdm_display_find_output(tdm_display *dpy, const char *name, tdm_error *error);
+
+/**
+ * @brief Create a pp object.
+ * @param[in] dpy A display object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A pp object if success. Otherwise, NULL.
+ * @see tdm_pp_destroy
+ */
+tdm_pp *
+tdm_display_create_pp(tdm_display *dpy, tdm_error *error);
+
+/**
+ * @brief Get the information of the TDM backend module.
+ * @param[in] module A backend module object
+ * @param[out] name The name of the TDM backend module
+ * @param[out] vendor The vendor of the TDM backend module
+ * @param[out] version The version of the TDM backend module
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_module_get_info(tdm_module *module, const char **name,
+ const char **vendor, int *major, int *minor);
+
+/**
+ * @brief Add a output destroy handler
+ * @param[in] output A output object
+ * @param[in] func A output destroy handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_add_destroy_handler(tdm_output *output,
+ tdm_output_destroy_handler func,
+ void *user_data);
+
+/**
+ * @brief Remove a output destroy handler
+ * @param[in] output A output object
+ * @param[in] func A output destroy handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+void
+tdm_output_remove_destroy_handler(tdm_output *output,
+ tdm_output_destroy_handler func,
+ void *user_data);
+
+/**
+ * @brief Get a backend module object of the given output.
+ * @param[in] output A output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A backend object if success. Otherwise, NULL.
+ */
+tdm_module *
+tdm_output_get_backend_module(tdm_output *output, tdm_error *error);
+
+/**
+ * @brief Get the capabilities of a output object.
+ * @param[in] output A output object
+ * @param[out] capabilities The capabilities of a output object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_capabilities(tdm_output *output,
+ tdm_output_capability *capabilities);
+
+/**
+ * @brief Get the model information of a output object.
+ * @param[in] output A output object
+ * @param[out] maker The output maker.
+ * @param[out] model The output model.
+ * @param[out] name The output name.
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_model_info(tdm_output *output, const char **maker,
+ const char **model, const char **name);
+
+/**
+ * @brief Get the connection status of a output object.
+ * @param[in] output A output object
+ * @param[out] status The connection status.
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status);
+
+/**
+ * @brief Add a output change handler
+ * @details The handler will be called when the status of a
+ * output object is changed. connection, DPMS, etc.
+ * @param[in] output A output object
+ * @param[in] func A output change handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_add_change_handler(tdm_output *output,
+ tdm_output_change_handler func,
+ void *user_data);
+
+/**
+ * @brief Remove a output change handler
+ * @param[in] output A output object
+ * @param[in] func A output change handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+void
+tdm_output_remove_change_handler(tdm_output *output,
+ tdm_output_change_handler func,
+ void *user_data);
+
+/**
+ * @brief Add a output mode change handler
+ * @param[in] output A output object
+ * @param[in] func A output mode change handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_add_mode_change_request_handler(tdm_output *output,
+ tdm_output_mode_change_request_handler func,
+ void *user_data);
+
+/**
+ * @brief Remove a output mode change handler
+ * @param[in] output A output object
+ * @param[in] func A output mode change handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_remove_mode_change_request_handler(tdm_output *output,
+ tdm_output_mode_change_request_handler func,
+ void *user_data);
+
+/**
+ * @brief Get the connection type of a output object.
+ * @param[in] output A output object
+ * @param[out] type The connection type.
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_output_type(tdm_output *output, tdm_output_type *type);
+
+/**
+ * @brief Get the layer counts which a output object has.
+ * @param[in] output A output object
+ * @param[out] count The count of layers
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_output_get_layer
+ */
+tdm_error
+tdm_output_get_layer_count(tdm_output *output, int *count);
+
+/**
+ * @brief Get a layer object which has the given index.
+ * @param[in] output A output object
+ * @param[in] index The index of a layer object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A layer object if success. Otherwise, NULL.
+ * @see tdm_output_get_layer_count
+ */
+tdm_layer *
+tdm_output_get_layer(tdm_output *output, int index, tdm_error *error);
+
+/**
+ * @brief Get the available property array of a output object.
+ * @param[in] output A output object
+ * @param[out] props The available property array
+ * @param[out] count The count of properties
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
+ int *count);
+
+/**
+ * @brief Get the available mode array of a output object.
+ * @param[in] output A output object
+ * @param[out] modes The available mode array
+ * @param[out] count The count of modes
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_available_modes(tdm_output *output,
+ const tdm_output_mode **modes, int *count);
+
+/**
+ * @brief Get the available size of a output object.
+ * @details -1 means that a TDM backend module doesn't define the value.
+ * @param[in] output A output object
+ * @param[out] min_w The minimum width which TDM can handle
+ * @param[out] min_h The minimum height which TDM can handle
+ * @param[out] max_w The maximum width which TDM can handle
+ * @param[out] max_h The maximum height which TDM can handle
+ * @param[out] preferred_align The preferred align width which TDM can handle
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
+ int *max_w, int *max_h, int *preferred_align);
+
+/**
+ * @brief Get the available cursor size of a output object.
+ * @details -1 means that a TDM backend module doesn't define the value.
+ * @param[in] output A output object
+ * @param[out] min_w The minimum width which TDM can handle
+ * @param[out] min_h The minimum height which TDM can handle
+ * @param[out] max_w The maximum width which TDM can handle
+ * @param[out] max_h The maximum height which TDM can handle
+ * @param[out] preferred_align The preferred align width which TDM can handle
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
+ int *max_w, int *max_h, int *preferred_align);
+
+/**
+ * @brief Get the physical size of a output object.
+ * @param[in] output A output object
+ * @param[out] mmWidth The milimeter width
+ * @param[out] mmHeight The milimeter height
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
+ unsigned int *mmHeight);
+
+/**
+ * @brief Get the subpixel of a output object.
+ * @param[in] output A output object
+ * @param[out] subpixel The subpixel
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel);
+
+/**
+ * @brief Get the pipe of a output object.
+ * @param[in] output A output object
+ * @param[out] pipe The pipe
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_pipe(tdm_output *output, unsigned int *pipe);
+
+/**
+ * @brief Get the index of a primary layer.
+ * @param[in] output A output object
+ * @param[out] index The primary layer index
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_primary_index(tdm_output *output, int *index);
+
+/**
+ * @brief Set the property which has a given id.
+ * @param[in] output A output object
+ * @param[in] id The property id
+ * @param[in] value The value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value);
+
+/**
+ * @brief Get the property which has a given id
+ * @param[in] output A output object
+ * @param[in] id The property id
+ * @param[out] value The value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value);
+
+/**
+ * @brief Wait for VBLANK
+ * @details After interval vblanks, a user vblank handler will be called.
+ * @param[in] output A output object
+ * @param[in] interval vblank interval
+ * @param[in] sync 0: asynchronous, 1:synchronous
+ * @param[in] func A user vblank handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see #tdm_output_vblank_handler
+ */
+tdm_error
+tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
+ tdm_output_vblank_handler func, void *user_data);
+
+/**
+ * @brief Commit changes for a output object
+ * @details After all change of a output object are applied, a user commit handler
+ * will be called.
+ * @param[in] output A output object
+ * @param[in] sync 0: asynchronous, 1:synchronous
+ * @param[in] func A user commit handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see #tdm_layer_commit
+ */
+tdm_error
+tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
+ void *user_data);
+
+/**
+ * @brief Remove the user vblank handler
+ * @param[in] output A output object
+ * @param[in] func A user vblank handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data);
+
+/**
+ * @brief Remove the user commit handler
+ * @param[in] output A output object
+ * @param[in] func A user commit handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data);
+
+/**
+ * @brief Set one of available modes of a output object
+ * @param[in] output A output object
+ * @param[in] mode A output mode
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode);
+
+/**
+ * @brief Get the mode of a output object
+ * @param[in] output A output object
+ * @param[out] mode A output mode
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode);
+
+/**
+ * @brief Set DPMS of a output object synchronously
+ * @param[in] output A output object
+ * @param[in] dpms_value DPMS value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_output_set_dpms_async
+ */
+tdm_error
+tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value);
+
+/**
+ * @brief Set DPMS of a output object asynchronously
+ * @details This function can be used when a output supports the asynchronous DPMS
+ * control. The output has #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS flags which
+ * #tdm_output_get_capabilities returns. If an output change handler is added with
+ * #tdm_output_add_change_handler, the output change handler will be called when
+ * the DPMS status is changed indeed.
+ * @param[in] output A output object
+ * @param[in] dpms_value DPMS value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_output_add_change_handler, tdm_output_set_dpms,
+ * tdm_output_get_capabilities, #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS.
+ */
+tdm_error
+tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value);
+
+/**
+ * @brief Get DPMS of a output object
+ * @param[in] output A output object
+ * @param[out] dpms_value DPMS value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value);
+
+/**
+ * @brief Check if a output object has the capture capability
+ * @param[in] output A output object
+ * @param[out] has_capability 1: has the capability, 0: not has the capability
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability);
+
+/**
+ * @brief Create a capture object of a output object
+ * @param[in] output A output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A capture object
+ * @see tdm_capture_destroy
+ */
+tdm_capture *
+tdm_output_create_capture(tdm_output *output, tdm_error *error);
+
+/**
+ * @brief Get a hwc associated with a output object.
+ * @param[in] output A output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A hwc object
+ * @since 2.0.0
+ */
+tdm_hwc *
+tdm_output_get_hwc(tdm_output *output, tdm_error *error);
+
+/**
+ * @brief Set the mirror image of the src_output to the output
+ * @param[in] output A output object to display the src_output image
+ * @param[in] src_output A src output object of which image is displayed on the output
+ * @param[in] transform A transform value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_set_mirror(tdm_output *output, tdm_output *src_output, tdm_transform transform);
+
+/**
+ * @brief Unset the mirror
+ * @param[in] output A output object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_output_unset_mirror(tdm_output *output);
+
+/**
+ * @brief Get a output object of a layer object
+ * @param[in] layer A layer object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A TDM output object if success. Otherwise, NULL.
+ */
+tdm_output*
+tdm_layer_get_output(tdm_layer *layer, tdm_error *error);
+
+/**
+ * @brief Get the index of a layer object.
+ * @param[in] layer A layer object
+ * @param[out] index The index of a layer object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_index(tdm_layer *layer, int *index);
+
+/**
+ * @brief Get the capabilities of a layer object.
+ * @param[in] layer A layer object
+ * @param[out] capabilities The capabilities of a layer object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_capabilities(tdm_layer *layer,
+ tdm_layer_capability *capabilities);
+
+/**
+ * @brief Get the available format array of a layer object.
+ * @param[in] layer A layer object
+ * @param[out] formats The available format array
+ * @param[out] count The count of formats
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats,
+ int *count);
+
+/**
+ * @brief Get the available property array of a layer object.
+ * @param[in] layer A layer object
+ * @param[out] props The available property array
+ * @param[out] count The count of properties
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props,
+ int *count);
+
+/**
+ * @brief Get the zpos of a layer object.
+ * @details
+ * - GRAPHIC layers have fixed zpos. It starts from 0. It's @b non-changeable.
+ * - But the zpos of VIDEO layers will be decided by a backend module side.
+ * - A frontend user only can set the relative zpos to VIDEO layers via #tdm_layer_set_video_pos
+ * - The zpos of video layers is less than GRAPHIC layers or more than GRAPHIC
+ * layers. ie, ..., -2, -1, 4, 5, ... (if 0 <= GRAPHIC layer's zpos < 4).
+ * -------------------------------- graphic layer 3 <-- top most layer
+ * -------------------------------- graphic layer 2
+ * -------------------------------- graphic layer 1
+ * -------------------------------- graphic layer 0
+ * -------------------------------- video layer -1
+ * -------------------------------- video layer -2 <-- lowest layer
+ * @param[in] layer A layer object
+ * @param[out] zpos The zpos
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_layer_set_video_pos, tdm_layer_capability
+ */
+tdm_error
+tdm_layer_get_zpos(tdm_layer *layer, int *zpos);
+
+/**
+ * @brief Set the property which has a given id.
+ * @param[in] layer A layer object
+ * @param[in] id The property id
+ * @param[in] value The value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value);
+
+/**
+ * @brief Get the property which has a given id.
+ * @param[in] layer A layer object
+ * @param[in] id The property id
+ * @param[out] value The value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value);
+
+/**
+ * @brief Set the geometry information to a layer object
+ * @details The geometry information will be applied when the output object
+ * of a layer object is committed. If a layer has TDM_LAYER_CAPABILITY_NO_CROP
+ * capability, a layer will ignore the pos(crop) information of #tdm_info_layer's
+ * src_config.
+ * @param[in] layer A layer object
+ * @param[in] info The geometry information
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_layer_commit
+ */
+tdm_error
+tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info);
+
+/**
+ * @brief Get the geometry information to a layer object
+ * @param[in] layer A layer object
+ * @param[out] info The geometry information
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info);
+
+/**
+ * @brief Set a TDM buffer to a layer object
+ * @details A TDM buffer will be applied when the output object
+ * of a layer object is committed.
+ * @param[in] layer A layer object
+ * @param[in] buffer A TDM buffer
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_layer_commit
+ */
+tdm_error
+tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer);
+
+/**
+ * @brief Unset a TDM buffer from a layer object
+ * @details When this function is called, a current showing buffer will be
+ * disappeared from screen. Then nothing is showing on a layer object.
+ * @param[in] layer A layer object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_unset_buffer(tdm_layer *layer);
+
+/**
+ * @brief Commit changes for a layer object
+ * @details After all change of a layer object are applied, a user commit handler
+ * will be called.
+ * @param[in] layer A layer object
+ * @param[in] func A user commit handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_commit(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
+
+tdm_error
+tdm_layer_is_committing(tdm_layer *layer, unsigned int *committing);
+
+/**
+ * @brief Remove the user commit handler
+ * @param[in] layer A layer object
+ * @param[in] func A user commit handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func, void *user_data);
+
+/**
+ * @brief Get a displaying TDM buffer from a layer object
+ * @details A displaying TDM buffer is a current showing buffer on screen
+ * that is set to layer object and applied output object of a layer object.
+ * @param[in] layer A layer object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A TDM buffer if success. Otherwise, NULL.
+ */
+tbm_surface_h
+tdm_layer_get_displaying_buffer(tdm_layer *layer, tdm_error *error);
+
+/**
+ * @brief Set a TBM surface_queue to a layer object
+ * @details A TBM surface_queue will be applied when the output object
+ * of a layer object is committed. and TDM layer will be automatically updated
+ * @param[in] layer A layer object
+ * @param[in] buffer_queue A TBM surface_queue
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_layer_commit
+ */
+tdm_error
+tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue);
+
+/**
+ * @brief Unset a TBM surface_queue from a layer object
+ * @details When this function is called, a current surface_queue will be
+ * disappeared from screen. Then nothing is showing on a layer object.
+ * @param[in] layer A layer object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_unset_buffer_queue(tdm_layer *layer);
+
+/**
+ * @brief Check wheter a layer object is available for a frontend user to use.
+ * @details A layer object is not usable if a TDM buffer is showing on screen
+ * via this layer object. By calling #tdm_layer_unset_buffer, this layer object
+ * will become usable.
+ * @param[in] layer A layer object
+ * @param[out] usable 1 if usable, 0 if not usable
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable);
+
+/**
+ * @brief Set the relative zpos to a VIDEO layer object
+ * @details The zpos value is less than the minimum zpos of GRAPHIC layers, or
+ * it is more than the maximum zpos of GRAPHIC layers.
+ * @param[in] layer A VIDEO layer object
+ * @param[in] zpos The zpos
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_layer_get_zpos, tdm_layer_capability
+ */
+tdm_error
+tdm_layer_set_video_pos(tdm_layer *layer, int zpos);
+
+/**
+ * @brief Create a capture object of a layer object
+ * @param[in] layer A layer object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A capture object
+ * @see tdm_capture_destroy
+ */
+tdm_capture *
+tdm_layer_create_capture(tdm_layer *layer, tdm_error *error);
+
+/**
+ * @brief Get buffer flags from a layer object
+ * @param[in] layer A layer object
+ * @param[out] flags a buffer flags value
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_layer_get_buffer_flags(tdm_layer *layer, unsigned int *flags);
+
+/**
+ * @brief Creates a new window on the given hwc.
+ * @param[in] hwc A hwc object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A created window object
+ * @since 2.0.0
+ */
+tdm_hwc_window *
+tdm_hwc_create_window(tdm_hwc *hwc, tdm_error *error);
+
+/**
+ * @brief Get the video supported format array for hwc windows of a output object.
+ * @param[in] hwc A hwc object
+ * @param[out] formats The available format array
+ * @param[out] count The count of formats
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_video_supported_formats(tdm_hwc *hwc, const tbm_format **formats,
+ int *count);
+/**
+ * @brief Get the available video property array of a hwc object.
+ * @param[in] hwc A hwc
+ * @param[out] props The available video property array
+ * @param[out] count The count of video properties
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_video_available_properties(tdm_hwc *hwc, const tdm_prop **props, int *count);
+
+/**
+ * @brief Get the hwc capabilites
+ * @param[in] hwc A hwc object
+ * @param[out] capabilities A hwc capability
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_capabilities(tdm_hwc *hwc, tdm_hwc_capability *capabilities);
+
+/**
+ * @brief Get the available property array of a hwc object.
+ * @param[in] hwc A hwc
+ * @param[out] props The available property array
+ * @param[out] count The count of properties
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_available_properties(tdm_hwc *hwc, const tdm_prop **props, int *count);
+
+/**
+ * @brief Get a target buffer queue
+ * @details The client composites the tdm_hwd_windows which have
+ * TDM_COMPOSITE_CLIENT types on the buffer from this target buffer queue.
+ * Then, the client set the buffer by calling tdm_hwc_set_client_target_buffer.
+ * @param[in] output A output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A buffer queue
+ * @since 2.0.0
+ */
+tbm_surface_queue_h
+tdm_hwc_get_client_target_buffer_queue(tdm_hwc *hwc, tdm_error *error);
+
+/**
+ * @brief Set the client(relative to the TDM) target buffer
+ * @details This function lets the backend know the target buffer.
+ * The target buffer contains the result of the gl composition with the
+ * tdm_hwc_windows which marked as TDM_HWC_WIN_COMPOSITION_CLIENT.
+ * @param[in] hwc A output hwc
+ * @param[in] target_buffer The new target buffer
+ * @param[in] damage The buffer damage region
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_set_client_target_buffer(tdm_hwc *hwc, tbm_surface_h target_buffer, tdm_region damage);
+
+/**
+ * @brief Set the acquire fence fd of client(relative to the TDM) target
+ * @param[in] hwc A output hwc
+ * @param[in] acquire_fence The acquire fence fd of target
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_set_client_target_acquire_fence(tdm_hwc *hwc, int acquire_fence);
+
+/**
+ * @brief Validate the output
+ * @details Instructs the backend to inspect all of the hw layer state and
+ * determine if there are any composition type changes necessary before
+ * presenting the hwc.
+ * @param[in] hwc A hwc object
+ * @param[in] composited_wnds the hwc window list which is visible.
+ * @param[in] num_wnds the number of the visible windows in the composited_wnds
+ * @param[out] num_types The number of composition type changes
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * The backend has to return the num_types when the assgined comopsite types of
+ * the tdm_hwc_windows in the composited_wnds. If the num_types is greater than
+ * 0, the cleint must get the changed composite types of the tdm_hwc_windows
+ * and change the comopsite types
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_validate(tdm_hwc *hwc, tdm_hwc_window **composited_wnds, uint32_t num_wnds,
+ uint32_t *num_types);
+
+/**
+ * @brief Get changed composition types
+ * @details Retrieves the windows for which the backend requires a different
+ * composition types that had been set prior to the last call to tdm_hwc_validate().
+ * The client will either update its state with these types and call
+ * tdm_hwc_accept_validation, or will set new types and attempt to validate the
+ * display again. The number of elements returned must be the same as the
+ * value returned in num_types from the last call to tdm_hwc_validate().
+ * @param[in] hwc A hwc object
+ * @param[out] num_elements the number of hwc_windows
+ * @param[out] windows An array of windows
+ * @param[out] composition_types An array of composition types, each corresponding
+ * to an element of windows
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_get_changed_composition_types(tdm_hwc *hwc, uint32_t *num_elements,
+ tdm_hwc_window **hwc_window,
+ tdm_hwc_window_composition *composition_types);
+
+/**
+ * @brief Accepts the validation required by the backend
+ * @details Accepts the validation required by the backend from the previous
+ * tdm_hwc_validate() and tdm_hwc_get_chaged_composition_types().
+ * @param[in] hwc A hwc object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_accept_validation(tdm_hwc *hwc);
+
+/**
+ * @brief Commit changes for a hwc
+ * @details After all change of a window object are applied, a user commit handler
+ * will be called.
+ * @param[in] hwc A hwc object
+ * @param[in] sync 0: asynchronous, 1:synchronous
+ * @param[in] func A user commit handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_commit(tdm_hwc *hwc, int sync, tdm_hwc_commit_handler func, void *user_data);
+
+/**
+ * @brief Get commit fence
+ * @details After all change of a window object are applied to last tdm_hwc_commit,
+ * the fence is signaled.
+ * @param[in] hwc A hwc object
+ * @param[out] commit_fence the commit fence fd of tdm_hwc_commit
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_commit_fence(tdm_hwc *hwc, int *commit_fence);
+
+/**
+ * @brief Get release fences
+ * @details Retrieves the windows which the backend requires setting the release fences
+ * the release fence is signaled when the backend is no longer using previous buffer.
+ * @param[in] hwc A hwc object
+ * @param[out] num_elements the number of hwc_windows
+ * @param[out] hwc_windows An array of windows
+ * @param[out] release_fences An array of release fences, each corresponding
+ * to an element of windows
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_release_fences(tdm_hwc *hwc, uint32_t *num_elements,
+ tdm_hwc_window **hwc_windows, int *fences);
+
+/**
+ * @brief Set the property which has a given id on the hwc object.
+ * @param[in] hwc A hwc object
+ * @param[in] id The property id
+ * @param[in] value The value of the propery id
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_set_property(tdm_hwc *hwc, uint32_t id, tdm_value value);
+
+/**
+ * @brief Get the property which has a given id on the hwc object.
+ * @param[in] hwc A hwc object
+ * @param[in] id The property id
+ * @param[in] value The value of the propery id
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_property(tdm_hwc *hwc, uint32_t id, tdm_value *value);
+
+/**
+ * @brief Destroys the given window.
+ * @param[in] window the pointer of the window to destroy
+ * @since 2.0.0
+ */
+void
+tdm_hwc_window_destroy(tdm_hwc_window *hwc_window);
+
+/**
+ * @brief Acquire a buffer queue for the window object
+ * @details These buffers are used to composite by hardware a client content in
+ * the nocomp mode.
+ * @param[in] hwc_window A window object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A tbm buffer queue
+ * @since 2.0.0
+ */
+tbm_surface_queue_h
+tdm_hwc_window_acquire_buffer_queue(tdm_hwc_window *hwc_window, tdm_error *error);
+
+/**
+ * @brief Release a buffer queue for the window object
+ * @details Release buffer queue when the client no longer uses buffers of queue.
+ * @param[in] hwc_window A window object
+ * @param[in] A tbm buffer queue
+ * @since 2.0.0
+ */
+void
+tdm_hwc_window_release_buffer_queue(tdm_hwc_window *hwc_window, tbm_surface_queue_h queue);
+
+/**
+ * @brief Sets the desired composition type of the given window.
+ * @details During tdm_hwc_validate(), the backend may request changes to
+ * the composition types of any of the layers as described in the definition
+ * of tdm_hwc_window_composition_t above.
+ * @param[in] hwc_window A window object
+ * @param[in] composition_type The new composition type
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_window_set_composition_type(tdm_hwc_window *hwc_window,
+ tdm_hwc_window_composition composition_type);
+
+/**
+ * @brief Set the buffer damage
+ * @details Provides the region of the source buffer which has been modified
+ * since the last frame. This region does not need to be validated before
+ * calling tdm_output_commit().
+ * Once set through this function, the damage region remains the same until a
+ * subsequent call to this function.
+ * If damage.num_rects > 0, then it may be assumed that any portion of the source
+ * buffer not covered by one of the rects has not been modified this frame. If
+ * damage.num_rects == 0, then the whole source buffer must be treated as if it
+ * has been modified.
+ * If the layer's contents are not modified relative to the prior frame, damage
+ * will contain exactly one empty rect([0, 0, 0, 0]).
+ * The damage rects are relative to the pre-transformed buffer, and their origin
+ * is the top-left corner. They will not exceed the dimensions of the latched
+ * buffer.
+ * @param[in] hwc_window A window object
+ * @param[in] damage The new buffer damage region
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_window_set_buffer_damage(tdm_hwc_window *hwc_window, tdm_region damage);
+
+/**
+ * @brief Set the information to a window object
+ * @details The information will be applied when the hwc object is committed.
+ * @param[in] hwc_window A window object
+ * @param[in] info The information
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_window_set_info(tdm_hwc_window *hwc_window, tdm_hwc_window_info *info);
+
+/**
+ * @brief Set a TBM buffer to a window object
+ * @details A TBM buffer will be applied when the output object of a layer
+ * object is committed.
+ * @param[in] hwc_window A window object
+ * @param[in] buffer A TBM buffer
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_hwc_window_set_buffer(tdm_hwc_window *hwc_window, tbm_surface_h buffer);
+
+/**
+ * @brief Set the property which has a given id.
+ * @param[in] hwc_window A hwc window object
+ * @param[in] id The property id
+ * @param[in] value The value of the propery id
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_window_set_property(tdm_hwc_window *hwc_window, uint32_t id, tdm_value value);
+
+/**
+ * @brief Get the property which has a given id.
+ * @param[in] hwc_window A hwc window object
+ * @param[in] id The property id
+ * @param[out] value The value of the propery id
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_window_get_property(tdm_hwc_window *hwc_window, uint32_t id, tdm_value *value);
+
+/**
+ * @brief Get the constraints of hwc_window
+ * @param[in] hwc_window A hwc window object
+ * @param[out] constraints The tdm_hwc_window_constraint types
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_window_get_constraints(tdm_hwc_window *hwc_window, int *constraints);
+
+/**
+ * @brief Set the name of hwc_window
+ * @param[in] hwc_window A hwc window object
+ * @param[in] name of the hwc_window
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_window_set_name(tdm_hwc_window *hwc_window, const char *name);
+
+/**
+ * @brief Get buffer flags of cursor hwc_window
+ * @param[in] hwc_window A hwc window object
+ * @param[in] width of the cursor image
+ * @param[in] height of the cursor image
+ * @param[in] stride of the cursor image
+ * @param[in] virtual address of the cursor image
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_window_set_cursor_image(tdm_hwc_window *hwc_window, int width, int height, int stride, void *ptr);
+
+/**
+ * @brief Set the acquire fence of hwc_window
+ * @param[in] hwc_window A hwc window object
+ * @param[in] acquire_fence the acquire fence fd of a hwc window object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_window_set_acquire_fence(tdm_hwc_window *hwc_window, int acquire_fence);
+
+/**
+ * @brief Destroy a pp object
+ * @param[in] pp A pp object
+ * @see tdm_display_create_pp
+ */
+void
+tdm_pp_destroy(tdm_pp *pp);
+
+/**
+ * @brief Set the geometry information to a pp object
+ * @param[in] pp A pp object
+ * @param[in] info The geometry information
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_pp_commit
+ */
+tdm_error
+tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info);
+
+/**
+ * @brief Set the PP done handler to a pp object
+ * @details
+ * The user PP done handler will be called after converting a source buffer's image
+ * to a destination buffer.
+ * @param[in] pp A pp object
+ * @param[in] func A user PP done handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_pp_set_done_handler(tdm_pp *pp, tdm_pp_done_handler func, void *user_data);
+
+/**
+ * @brief Attach a source buffer and a destination buffer to a pp object
+ * @param[in] pp A pp object
+ * @param[in] src A source buffer
+ * @param[in] dst A destination buffer
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_pp_commit, tdm_pp_set_done_handler
+ */
+tdm_error
+tdm_pp_attach(tdm_pp *pp, tbm_surface_h src, tbm_surface_h dst);
+
+/**
+ * @brief Commit changes for a pp object
+ * @param[in] pp A pp object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_pp_commit(tdm_pp *pp);
+
+/**
+ * @brief Destroy a capture object
+ * @param[in] capture A capture object
+ * @see tdm_output_create_capture, tdm_layer_create_capture
+ */
+void
+tdm_capture_destroy(tdm_capture *capture);
+
+/**
+ * @brief Set the geometry information to a capture object
+ * @param[in] capture A capture object
+ * @param[in] info The geometry information
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_capture_commit
+ */
+tdm_error
+tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info);
+
+/**
+ * @brief Set the capture done handler to a capture object
+ * @details
+ * The user capture done handler will be called after capturing a screen into a
+ * buffer.
+ * @param[in] capture A capture object
+ * @param[in] func A user capture done handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_capture_set_done_handler(tdm_capture *capture, tdm_capture_done_handler func, void *user_data);
+
+/**
+ * @brief Attach a TDM buffer to a capture object
+ * @param[in] capture A capture object
+ * @param[in] buffer A TDM buffer
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_capture_commit, tdm_capture_set_done_handler
+ */
+tdm_error
+tdm_capture_attach(tdm_capture *capture, tbm_surface_h buffer);
+
+/**
+ * @brief Commit changes for a capture object
+ * @param[in] capture A capture object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_capture_commit(tdm_capture *capture);
+
+/**
+ * @brief The release handler of a TDM buffer
+ * @param[in] buffer A TDM buffer
+ * @param[in] user_data user data
+ * @see tdm_buffer_add_release_handler, tdm_buffer_remove_release_handler
+ */
+typedef void (*tdm_buffer_release_handler)(tbm_surface_h buffer,
+ void *user_data);
+
+/**
+ * @brief Add a release handler to a TDM buffer
+ * @details
+ * TDM has its own buffer release mechanism to let an frontend user know when a TDM buffer
+ * becomes available for a next job. A TDM buffer can be used for TDM to show
+ * it on screen or to capture an output and a layer. After all operations,
+ * TDM will release it immediately when TDM doesn't need it any more.
+ * @param[in] buffer A TDM buffer
+ * @param[in] func A release handler
+ * @param[in] user_data user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_buffer_remove_release_handler
+ */
+tdm_error
+tdm_buffer_add_release_handler(tbm_surface_h buffer,
+ tdm_buffer_release_handler func, void *user_data);
-typedef enum
-{
- TDM_DISPLAY_CAPABILITY_PP = (1<<0),
- TDM_DISPLAY_CAPABILITY_CAPTURE = (1<<1),
-} tdm_display_capability;
+/**
+ * @brief Remove a release handler from a TDM buffer
+ * @param[in] buffer A TDM buffer
+ * @param[in] func A release handler
+ * @param[in] user_data user data
+ * @see tdm_buffer_add_release_handler
+ */
+void
+tdm_buffer_remove_release_handler(tbm_surface_h buffer,
+ tdm_buffer_release_handler func, void *user_data);
-/* not neccessary for user to know what backend is */
-tdm_display* tdm_display_init(tdm_error *error);
-void tdm_display_deinit(tdm_display *dpy);
-tdm_error tdm_display_update(tdm_display *dpy);
+/**
+ * @brief The handler of a vblank object
+ * @see #tdm_vblank_wait, #tdm_vblank_wait_seq
+ */
+typedef void (*tdm_vblank_handler)(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
+ unsigned int tv_sec, unsigned int tv_usec, void *user_data);
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @brief Set the vblank fps for the given PID and name.
+ * @param[in] pid The process ID
+ * @param[in] name The client vblank name
+ * @param[in] fps The client vblank fps
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_client_vblank_fps(unsigned int pid, const char *name, unsigned int fps);
-tdm_error tdm_display_get_fd(tdm_display *dpy, int *fd);
-tdm_error tdm_display_handle_events(tdm_display *dpy);
+/**
+ * @brief Set the ignore global fps for the given PID and name.
+ * @param[in] pid The process ID
+ * @param[in] name The client vblank name
+ * @param[in] ignore 1: ignore 0:not ignore(default)
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_client_ignore_global_fps(unsigned int pid, const char *name, unsigned int ignore);
-tdm_error tdm_display_get_capabilities(tdm_display *dpy, tdm_display_capability *capabilities);
-tdm_error tdm_display_get_pp_capabilities(tdm_display *dpy, tdm_pp_capability *capabilities);
-tdm_error tdm_display_get_pp_available_formats(tdm_display *dpy, const tbm_format **formats, int *count);
-tdm_error tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h, int *max_w, int *max_h, int *preferred_align);
-tdm_error tdm_display_get_capture_capabilities(tdm_display *dpy, tdm_capture_capability *capabilities);
-tdm_error tdm_display_get_catpure_available_formats(tdm_display *dpy, const tbm_format **formats, int *count);
-tdm_error tdm_display_get_output_count(tdm_display *dpy, int *count);
-const tdm_output* tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error);
+/**
+ * @brief Set the vblank global fps for the entire system.
+ * @param[in] enable 1:enable, 0:disable
+ * @param[in] fps The vblank global fps
+ * @details
+ * This global fps will be applied to all client's vblanks for all outputs.
+ * If the client's vblank fps is less than this, the global fps will be ignored
+ * for that client. And if a client calls #tdm_vblank_ignore_global_fps to ignore
+ * the global fps, it will be ignored also.
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_enable_global_fps(unsigned int enable, unsigned int fps);
-tdm_pp* tdm_display_create_pp(tdm_display *dpy, tdm_error *error);
+/**
+ * @brief Add the vblank create handler.
+ * @param[in] dpy A display object
+ * @param[in] func The user vblank create handler
+ * @param[in] user_data The user data
+ * @details
+ * The user vblank create handler will be called when new vblank object created.
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_add_create_handler(tdm_display *dpy, tdm_vblank_create_handler func, void *user_data);
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @brief Remove the vblank create handler.
+ * @param[in] dpy A display object
+ * @param[in] func The user vblank create handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+void
+tdm_vblank_remove_create_handler(tdm_display *dpy, tdm_vblank_create_handler func, void *user_data);
-tdm_error tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status);
-tdm_error tdm_output_get_output_type(tdm_output *output, tdm_output_type *type);
-tdm_error tdm_output_get_layer_count(tdm_output *output, int *count);
-const tdm_layer* tdm_output_get_layer(tdm_output *output, int index, tdm_error *error);
-tdm_error tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props, int *count);
-tdm_error tdm_output_get_available_modes(tdm_output *output, const tdm_output_mode **modes, int *count);
-tdm_error tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h, int *max_w, int *max_h, int *preferred_align);
-tdm_error tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth, unsigned int *mmHeight);
-tdm_error tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel);
-tdm_error tdm_output_get_pipe(tdm_output *output, unsigned int *pipe);
+/**
+ * @brief Create a vblank object
+ * @param[in] dpy A display object
+ * @param[in] output A output object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A vblank object
+ * @see #tdm_vblank_destroy
+ */
+tdm_vblank*
+tdm_vblank_create(tdm_display *dpy, tdm_output *output, tdm_error *error);
-tdm_error tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value);
-tdm_error tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value);
-tdm_error tdm_output_wait_vblank(tdm_output *output, int interval, int sync, tdm_output_vblank_handler func, void *user_data);
-tdm_error tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data);
+/**
+ * @brief Destroy a vblank object
+ * @param[in] vblank A vblank object
+ * @see #tdm_vblank_create
+ */
+void
+tdm_vblank_destroy(tdm_vblank *vblank);
-tdm_error tdm_output_set_mode(tdm_output *output, tdm_output_mode *mode);
-tdm_error tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode);
+/**
+ * @brief Get a output object of a vblank object
+ * @param[in] vblank A vblank object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A TDM output object if success. Otherwise, NULL.
+ * @see #tdm_vblank_create
+ */
+tdm_output *
+tdm_vblank_get_output(tdm_vblank *vblank, tdm_error *error);
-tdm_error tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value);
-tdm_error tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value);
+/**
+ * @brief Get the client PID for a vblank object
+ * @param[in] vblank A vblank object
+ * @param[out] pid PID of vblank's client
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_get_client_pid(tdm_vblank *vblank, pid_t *pid);
-tdm_capture *tdm_output_create_capture(tdm_output *output, tdm_error *error);
+/**
+ * @brief Set the name to a vblank object
+ * @details The default name is "unknown"
+ * @param[in] vblank A vblank object
+ * @param[in] name vblank name
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_name(tdm_vblank *vblank, const char *name);
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @brief Get the name for a vblank object
+ * @details The default name is "unknown"
+ * @param[in] vblank A vblank object
+ * @param[out] name vblank name
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_get_name(tdm_vblank *vblank, const char **name);
-tdm_error tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities);
-tdm_error tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats, int *count);
-tdm_error tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props, int *count);
-tdm_error tdm_layer_get_zpos(tdm_layer *layer, unsigned int *zpos); /* zpos of layer is fixed */
+/**
+ * @brief Set the fps to a vblank object
+ * @details Default is the @b vertical @b refresh @b rate of the given output.
+ * It could be ignored when the fixed fps is set by #tdm_vblank_set_fixed_fps
+ * @param[in] vblank A vblank object
+ * @param[in] fps over 0
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_fps(tdm_vblank *vblank, unsigned int fps);
-tdm_error tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value);
-tdm_error tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value);
-tdm_error tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info);
-tdm_error tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info);
-tdm_error tdm_layer_set_buffer(tdm_layer *layer, tdm_buffer *buffer); // layer has only one buffer
-tdm_error tdm_layer_unset_buffer(tdm_layer *layer);
-tdm_error tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable);
+/**
+ * @brief Get the fps for a vblank object
+ * @param[in] vblank A vblank object
+ * @param[out] fps over 0
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_get_fps(tdm_vblank *vblank, unsigned int *fps);
-tdm_capture *tdm_layer_create_capture(tdm_layer *layer, tdm_error *error);
+/**
+ * @brief Set the fixed fps to a vblank object
+ * @details
+ * It could be ignored when the global fps is set by #tdm_vblank_enable_global_fps
+ * @param[in] vblank A vblank object
+ * @param[in] fps over 0
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_fixed_fps(tdm_vblank *vblank, unsigned int fps);
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @brief Ignore the vblank global fps
+ * @details
+ * The global fps will be applied to all client's vblanks for all outputs.
+ * If the client's vblank fps is less than this, the global fps will be ignored
+ * for that client. And if a client calls #tdm_vblank_ignore_global_fps to ignore
+ * the global fps, it will be ignored also.
+ * @param[in] vblank A vblank object
+ * @param[in] ignore 1: ignore 0:not ignore(default)
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_ignore_global_fps(tdm_vblank *vblank, unsigned int ignore);
-void tdm_pp_destroy(tdm_pp *pp);
-tdm_error tdm_pp_set_info(tdm_pp *pp, tdm_info_pp *info);
-tdm_error tdm_pp_attach(tdm_pp *pp, tdm_buffer *src, tdm_buffer *dst);
-tdm_error tdm_pp_commit(tdm_pp *pp);
+/**
+ * @brief Set the offset(milli-second) to a vblank object
+ * @details Default is @b 0.
+ * @param[in] vblank A vblank object
+ * @param[in] offset the offset(milli-second)
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_offset(tdm_vblank *vblank, int offset);
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @brief Get the offset(milli-second) for a vblank object
+ * @param[in] vblank A vblank object
+ * @param[out] offset the offset(milli-second)
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_get_offset(tdm_vblank *vblank, int *offset);
-void tdm_capture_destroy(tdm_capture *capture);
-tdm_error tdm_capture_set_info(tdm_capture *capture, tdm_info_capture *info);
-tdm_error tdm_capture_attach(tdm_capture *capture, tdm_buffer *buffer);
-tdm_error tdm_capture_commit(tdm_capture *capture);
+/**
+ * @brief Enable/Disable the fake vblank to a vblank object
+ * @details
+ * If enable_fake == 0, #tdm_vblank_wait will return TDM_ERROR_DPMS_OFF
+ * when DPMS off. Otherwise, #tdm_vblank_wait will return TDM_ERROR_NONE
+ * as success.
+ * @param[in] vblank A vblank object
+ * @param[in] enable_fake 1:enable, 0:disable
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_set_enable_fake(tdm_vblank *vblank, unsigned int enable_fake);
-///////////////////////////////////////////////////////////////////////////////
+/**
+ * @brief Get the fake vblank
+ * @param[in] vblank A vblank object
+ * @param[out] enable_fake 1:enable, 0:disable
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_get_enable_fake(tdm_vblank *vblank, unsigned int *enable_fake);
-typedef void (*tdm_buffer_release_handler)(tdm_buffer *buffer, void *user_data);
+/**
+ * @brief Wait for a vblank
+ * @details
+ * Once #tdm_vblank_wait returns TDM_ERROR_NONE, the user vblank handler(#tdm_vblank_handler)
+ * SHOULD be called after the given interval. \n
+ * The sequence value of tdm_vblank_handler is the relative value of fps.
+ * If fps = 10, this sequence value should be increased by 10 during 1 second.
+ * @param[in] vblank A vblank object
+ * @param[in] req_sec The vblank request time(second)
+ * @param[in] req_usec The vblank request time(micro-second)
+ * @param[in] interval The vblank interval
+ * @param[in] func The user vblank handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_wait(tdm_vblank *vblank, unsigned int req_sec, unsigned int req_usec,
+ unsigned int interval, tdm_vblank_handler func, void *user_data);
-/* not pthread safe */
-tdm_buffer *tdm_buffer_create(tbm_surface_h buffer, tdm_error *error);
-tdm_buffer *tdm_buffer_ref(tdm_buffer *buffer, tdm_error *error);
-void tdm_buffer_unref(tdm_buffer *buffer);
-tdm_error tdm_buffer_add_release_handler(tdm_buffer *buffer, tdm_buffer_release_handler func, void *user_data);
-void tdm_buffer_remove_release_handler(tdm_buffer *buffer, tdm_buffer_release_handler func, void *user_data);
+/**
+ * @brief Wait for a vblank with the target sequence number
+ * @param[in] vblank A vblank object
+ * @param[in] req_sec The vblank request time(second)
+ * @param[in] req_usec The vblank request time(micro-second)
+ * @param[in] sequence The target sequence number
+ * @param[in] func The user client vblank handler
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_vblank_wait_seq(tdm_vblank *vblank, unsigned int req_sec, unsigned int req_usec,
+ unsigned int sequence, tdm_vblank_handler func, void *user_data);
#ifdef __cplusplus
}