* Taeheon Kim <th908.kim@samsung.com>,
* YoungJun Cho <yj44.cho@samsung.com>,
* SooChan Lim <sc1.lim@samsung.com>,
- * Boram Park <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
unsigned int type_id; /**< The connection type id */
unsigned int mode_count; /**< The count of available modes */
- tdm_output_mode
- *modes; /**< The @b newly-allocated array of modes. will be freed in frontend. */
+ tdm_output_mode *modes; /**< The @b newly-allocated array of modes. will be freed in frontend. */
unsigned int prop_count; /**< The count of available properties */
tdm_prop *props; /**< The @b newly-allocated array of properties. will be freed in frontend. */
/**
* @brief Get the mode of a output object
- * @deprecated
* @param[in] output A output object
* @param[out] mode A output mode
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
tdm_error (*output_set_dpms_async)(tdm_output *output, tdm_output_dpms dpms_value);
/**
- * @brief Creates a new window on the given display.
+ * @brief Get a hwc object of a output object
* @param[in] output A output object
* @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
- * @return A created window object
- * @since 2.0.0
- */
- tdm_hwc_window *(*output_hwc_create_window)(tdm_output *output, tdm_error *error);
-
- /**
- * @brief Destroys the given window.
- * @param[in] output A output object
- * @param[in] window the pointer of the window to destroy
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- * @since 2.0.0
- */
- tdm_error (*output_hwc_destroy_window)(tdm_output *output, tdm_hwc_window *hwc_window);
-
- /**
- * @brief Set the client(relative to the TDM) target buffer
- * @details Sets the buffer which will receive the output of client composition.
- * Window marked as TDM_COMPOSITION_CLIENT or TDM_COMPOSITION_DEVICE_CANDIDATE
- * will be composited into this buffer prior to the call to output_commit(),
- * and windows not marked as TDM_COMPOSITION_CLIENT and
- * TDM_COMPOSITION_DEVICE_CANDIDATE should be composited with this buffer by the
- * device.
- *
- * The buffer handle provided may be null if no windows are being composited by
- * the client. This must not result in an error (unless an invalid display
- * handle is also provided).
- *
- * The damage parameter describes a buffer damage region as defined in the
- * description of hwc_window_set_buffer_damage().
- *
- * List of composited hwc_windows (hwc_windows which buffers are presented on #target_buffer)
- * will be passed along with #target_buffer to allow tdm to make the smooth transition
- * from a DEVICE type to a CLIENT type.
- *
- * Will be called before output_commit() if any of the layers are marked as
- * TDM_COMPOSITION_CLIENT or TDM_COMPOSITION_DEVICE_CANDIDATE. If no layers are
- * so marked, then it is not necessary to call this function. It is not necessary
- * to call output_hwc_validate() after changing the target through this function.
- * @param[in] output A output object
- * @param[in] target The new target buffer
- * @param[in] damage The buffer damage region
- * @param[in] composited_wnds The array of composited hwc_wnds
- * @param[in] num_wnds The size of #composited_wnds array
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- * @since 2.0.0
- */
- tdm_error (*output_hwc_set_client_target_buffer)(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage);
-
- /**
- * @brief Unset the client(relative to the TDM) target buffer
- * @details TODO
- * @param[in] output A output object
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- * @since 2.0.0
- */
- tdm_error (*output_hwc_unset_client_target_buffer)(tdm_output *output);
-
- /**
- * @brief Get the layer associated with the client target buffer
- * @details TODO:
- * @param[in] output A output object
- * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
- * @return A layer object.
- * @since 2.0.0
- */
- tdm_layer *(*output_hwc_get_client_target_buffer_layer)(tdm_output *output, tdm_error *error);
-
- /**
- * @brief Get the buffer which is set to the client target buffer
- * @details TODO:
- * @param[in] output A output object
- * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
- * @return A layer object.
- * @since 2.0.0
- */
- tbm_surface_h (*output_hwc_get_client_target_buffer)(tdm_output *output, tdm_error *error);
-
- /**
- * @brief Validate the output
- * @details Instructs the device to inspect all of the layer state and
- * determine if there are any composition type changes necessary before
- * presenting the output. Permitted changes are described in the definition
- * of tdm_composition_t above.
- * @param[in] output A output object
- * @param[out] num_types The number of composition type changes required by
- * the device; if greater than 0, the client must either set and validate new
- * types, or call output_hwc_accept_changes() to accept the changes returned by
- * output_hwc_get_changed_composition_types(); must be the same as the number of
- * changes returned by output_hwc_get_changed_composition_types (see the
- * declaration of that function for more information); pointer will be non-NULL
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- * @since 2.0.0
- */
- tdm_error (*output_hwc_validate)(tdm_output *output, 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 device requires a different
- * composition type than had been set prior to the last call to output_hwc_validate().
- * The client will either update its state with these types and call
- * output_hwc_accept_changes, or will set new types and attempt to validate the
- * display again.
- * layers and types may be NULL to retrieve the number of elements which
- * will be returned. The number of elements returned must be the same as the
- * value returned in num_types from the last call to output_hwc_validate().
- * @param[in] output A output object
- * @param[out] num_elements If windows or types were NULL, the number of layers
- * and types which would have been returned; if both were non-NULL, the
- * number of elements returned in layers and types, which must not exceed
- * the value stored in num_elements prior to the call; pointer will be
- * non-NULL
- * @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.
- * @since 2.0.0
+ * @return A hwc object
*/
- tdm_error (*output_hwc_get_changed_composition_types)(tdm_output *output,
- uint32_t *num_elements,
- tdm_hwc_window **hwc_window,
- tdm_hwc_window_composition *composition_types);
- /**
- * @brief Accepts the changes required by the device
- * @details Accepts the changes required by the device from the previous
- * output_hwc_validate() call (which may be queried using
- * output_get_chaged_composition_types()) and revalidates the display. This
- * function is equivalent to requesting the changed types from
- * output_get_chaged_composition_types(), setting those types on the
- * corresponding windows, and then calling output_hwc_validate again.
- * After this call it must be valid to present this display. Calling this after
- * output_hwc_validate() returns 0 changes must succeed with TDM_ERROR_NONE, but
- * should have no other effect.
- * @param[in] output A output object
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- * @since 2.0.0
- */
- tdm_error (*output_hwc_accept_changes)(tdm_output *output);
-
- /**
- * @brief Get a target buffer queue
- * @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 (*output_hwc_get_target_buffer_queue)(tdm_output *output,
- tdm_error *error);
-
- /**
- * @brief Get the supported format array for video hwc windows of a output object.
- * @param[in] output A output 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 (*output_hwc_get_video_supported_formats)(tdm_layer *layer,
- const tbm_format **formats, int *count);
-
- /**
- * @brief Creates a new video window on the given output.
- * @param[in] output A output object
- * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
- * @return A created window object. If the video abilities isn't accessed return NULL
- * @since 2.0.0
- */
- tdm_hwc_window *(*output_hwc_create_video_window)(tdm_output *output, tdm_error *error);
+ tdm_hwc *(*output_get_hwc)(tdm_output *output, tdm_error *error);
void (*reserved5)(void);
void (*reserved6)(void);
void (*reserved7)(void);
} tdm_func_layer;
+typedef struct _tdm_func_hwc {
+ /**
+ * @brief Create 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 *(*hwc_create_window)(tdm_hwc *hwc, tdm_error *error);
+
+ /**
+ * @brief Get video the supported format array for the hwc windows of a hwc 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 (*hwc_get_video_supported_formats)(tdm_hwc *hwc, const tbm_format **formats,
+ int *count);
+ /**
+ * @brief Get the hwc video capability
+ * @param[in] hwc A hwc object
+ * @param[out] video_capability A hwc hwc video capability
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+ tdm_error (*hwc_get_video_capability)(tdm_hwc *hwc,
+ tdm_hwc_video_capability *video_capability);
+
+ /**
+ * @brief Get the available property array of a hwc object.
+ * @param[in] hwc A hwc 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 (*hwc_get_available_properties)(tdm_hwc *hwc, const tdm_prop **props,
+ int *count);
+
+ /**
+ * @brief Get a target buffer queue
+ * @param[in] hwc A hwc object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A buffer queue
+ * @since 2.0.0
+ */
+ tbm_surface_queue_h (*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_COMPOSITION_CLIENT.
+ * @param[in] hwc A hwc object
+ * @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 (*hwc_set_client_target_buffer)(tdm_hwc *hwc,
+ tbm_surface_h target_buffer,
+ tdm_region damage);
+
+ /**
+ * @brief Validate the hwc
+ * @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 (*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_changes, 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.
+ * @since 2.0.0
+ */
+ tdm_error (*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 changes required by the backend
+ * @details Accepts the changes 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 (*hwc_accept_changes)(tdm_hwc *hwc);
+
+ /**
+ * @brief Commit changes for a hwc object
+ * @param[in] hwc A hwc object
+ * @param[in] sync 0: asynchronous, 1:synchronous
+ * @param[in] user_data The user data
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see hwc_set_commit_handler, tdm_hwc_commit_handler
+ * @remark
+ * When this function is called, a backend module @b SHOULD apply the all
+ * changes of the given hwc object to screen as well as the layer changes
+ * of this hwc.
+ * If this function returns TDM_ERROR_NONE, a backend module @b SHOULD call
+ * a user commit handler with the user data of this function after all
+ * changes of the given hwc object are applied.
+ */
+ tdm_error (*hwc_commit)(tdm_hwc *hwc, int sync, void *user_data);
+
+ /**
+ * @brief Set a user commit handler
+ * @param[in] hwc A hwc object
+ * @param[in] func A user commit handler
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+ tdm_error (*hwc_set_commit_handler)(tdm_hwc *hwc, tdm_hwc_commit_handler func);
+} tdm_func_hwc;
+
/**
* @brief The window functions for a backend module.
* @since 2.0.0
*/
-typedef struct _tdm_func_window {
+typedef struct _tdm_func_hwc_window {
+ /**
+ * @brief Destroys the given window.
+ * @param[in] window the pointer of the window to destroy
+ * @since 2.0.0
+ */
+ void (*hwc_window_destroy)(tdm_hwc_window *hwc_window);
+
/**
- * @brief Get a buffer queue for the window object
+ * @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 buffer queue
*/
- tbm_surface_queue_h (*hwc_window_get_tbm_buffer_queue)(tdm_hwc_window *hwc_window,
- tdm_error *error);
+ tbm_surface_queue_h (*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 buferrs of queue.
+ * @param[in] hwc_window A window object
+ * @param[in] A tbm buffer queue
+ */
+ void (*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 output_hwc_validate(), the device may request changes to
+ * @details During 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
* @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 output_commit().
+ * calling hwc_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
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
*/
tdm_error (*hwc_window_set_buffer_damage)(tdm_hwc_window *hwc_window,
- tdm_hwc_region damage);
+ tdm_region damage);
/**
* @brief Set the information to a window object
- * @details The information will be applied when the output object
- * of a layer object is committed.
+ * @details The information will be applied when the hwc object is committed.
* @param[in] hwc_window A window object
* @param[in] info The geometry information
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
tdm_hwc_window_info *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 (*hwc_window_get_info)(tdm_hwc_window *hwc_window,
- tdm_hwc_window_info *info);
-
- /**
* @brief Set a TDM buffer to a window object
- * @details A TDM buffer will be applied when the output object
+ * @details A TDM buffer will be applied when the hwc object
* of a layer object is committed.
* @param[in] hwc_window A window object
- * @param[in] buffer A TDM buffer
+ * @param[in] buffer A TBM buffer
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
- *
- * Implementation should return #TDM_ERROR_BUSY if #hwc_window can't
- * be updated right now, this won't be interpreted like some critical
- * error.
*/
tdm_error (*hwc_window_set_buffer)(tdm_hwc_window *hwc_window,
tbm_surface_h buffer);
/**
- * @brief Unset a TDM buffer to a window object
- * @details A TDM buffer will be applied when the output object
- * of a layer object is committed.
- * @param[in] hwc_window A window object
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- *
- * Implementation should return #TDM_ERROR_BUSY if #hwc_window can't
- * be updated right now, this won't be interpreted like some critical
- * error.
- */
- tdm_error (*hwc_window_unset_buffer)(tdm_hwc_window *hwc_window);
-
- /**
- * @brief Set a flags to a window object
- * @param[in] hwc_window A window object
- * @param[in] flags A hwc_window flags
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- */
- tdm_error (*hwc_window_set_flags)(tdm_hwc_window *hwc_window,
- tdm_hwc_window_flag flags);
-
- /**
- * @brief Unset a flags from a window object
- * @param[in] hwc_window A window object
- * @param[in] flags A hwc_window flags
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- */
- tdm_error (*hwc_window_unset_flags)(tdm_hwc_window *hwc_window,
- tdm_hwc_window_flag flags);
-
- /**
- * @brief Get the window video capability
- * @param[in] hwc_window A window object
- * @param[out] video_capability A hwc window video capability
- * @return #TDM_ERROR_NONE if success. Otherwise, error value.
- */
- tdm_error (*hwc_window_video_get_capability)(tdm_hwc_window *hwc_window,
- tdm_hwc_window_video_capability *video_capability);
-
- /**
- * @brief Get the available property array of a video hwc window object.
- * @param[in] hwc window A video hwc window object
- * @param[out] props The available property array
- * @param[out] count The count of properties
+ * @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 (*hwc_window_video_get_available_properties)(
- tdm_hwc_window *hwc_window,
- const tdm_prop **props, int *count);
+ tdm_error (*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 video hwc window object
+ * @param[in] hwc_window A hwc window object
* @param[in] id The property id
- * @param[out] value The value
+ * @param[out] value The value of the propery id
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
*/
- tdm_error (*hwc_window_video_get_property)(tdm_hwc_window *hwc_window,
- uint32_t id, tdm_value *value);
+ tdm_error (*hwc_window_get_property)(tdm_hwc_window *hwc_window,
+ uint32_t id, tdm_value *value);
/**
- * @brief Set the property which has a given id.
- * @param[in] hwc window A video hwc window object
- * @param[in] id The property id
- * @param[in] value The 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 (*hwc_window_video_set_property)(tdm_hwc_window *hwc_window,
- uint32_t id, tdm_value value);
-
+ tdm_error (*hwc_window_get_constraints)(tdm_hwc_window *hwc_window,
+ int *constraints);
} tdm_func_hwc_window;
/**
(((major) << 16) & TDM_BACKEND_MAJOR_VERSION_MASK) | \
((minor) & TDM_BACKEND_MINOR_VERSION_MASK)
+
+#define TDM_BACKEND_ABI_VERSION_1_0 TDM_BACKEND_SET_ABI_VERSION(1, 0)
+#define TDM_BACKEND_ABI_VERSION_2_0 TDM_BACKEND_SET_ABI_VERSION(2, 0)
+#define TDM_BACKEND_ABI_LATEST_VERSION TDM_BACKEND_ABI_VERSION_2_0 /**< the latest version of the tdm backend abi */
+
/**
* @brief
* This MACRO is deprecated since 1.2.0. Use TDM_BACKEND_SET_ABI_VERSION instead of this.
tdm_backend_register_func_layer(tdm_display *dpy, tdm_func_layer *func_layer);
/**
+ * @brief Register the backend hwc functions to a display
+ * @param[in] dpy A display object
+ * @param[in] func_hwc hwc functions
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_backend_register_func_display, tdm_backend_register_func_output
+ * @remarks
+ * A backend module @b SHOULD set the backend hwc functions at least.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_backend_register_func_hwc(tdm_display *dpy, tdm_func_hwc *func_hwc);
+
+/**
* @brief Register the backend hwc_window functions to a display
* @param[in] dpy A display object
* @param[in] func_hwc_window hwc_window functions
tdm_event_loop_source_remove(tdm_event_loop_source *source);
/**
- * @brief Trigger a 'need to validate' event.
- * @param[in] output The output the event should be triggered for.
- * @note The global display lock has to be locked before the call to this function.
- * @see #tdm_output_hwc_set_need_validate_handler
- * @since 2.0.0
+ * @brief Get the ini value with given key
+ * @details
+ * @param[in] key The given key
+ * @param[in] default_value The default value
+ * @return the value of given key if success. Otherwise, default_value.
+ * @see #tdm_config_get_string
*/
-tdm_error
-tdm_backend_trigger_need_validate_event(tdm_output *output);
+int
+tdm_config_get_int(const char *key, int default_value);
+
+/**
+ * @brief Get the ini value with given key
+ * @details
+ * @param[in] key The given key
+ * @param[in] default_value The default value
+ * @return the value of given key if success. Otherwise, default_value.
+ * @see #tdm_config_get_int
+ */
+const char *
+tdm_config_get_string(const char *key, const char *default_value);
#ifdef __cplusplus
}