int zpos;
unsigned int format_count; /**< The count of available formats */
- tbm_format
- *formats; /**< The @b newly-allocated array of formats. will be freed in frontend. */
+ tbm_format *formats; /**< The @b newly-allocated array of formats. 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. */
tbm_format
*formats; /**< The @b newly-allocated array. will be freed in frontend. */
- int min_w; /**< The minimun width */
- int min_h; /**< The minimun height */
- int max_w; /**< The maximum width */
- int max_h; /**< The maximum height */
- int preferred_align; /**< The prefered align */
+ int min_w; /**< The minimun width */
+ int min_h; /**< The minimun height */
+ int max_w; /**< The maximum width */
+ int max_h; /**< The maximum height */
+ int preferred_align; /**< The prefered align */
+ int preferred_align_vertical; /**< The prefered align vertical */
/**< The attach count which a PP object can handle. @since 1.2.0 */
int max_attach_count;
*/
tdm_pp *(*display_create_pp)(tdm_backend_data *bdata, tdm_error *error);
- void (*reserved1)(void);
+ /**
+ * @brief Create a virtual output object of a backend module
+ * @param[in] bdata The backend module data
+ * @param[in] name The output name
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A tdm_voutput object
+ * @see voutput_destroy() function
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_voutput *(*display_voutput_create)(tdm_backend_data *bdata, const char *name, tdm_error *error);
+
void (*reserved2)(void);
void (*reserved3)(void);
void (*reserved4)(void);
* #output_set_dpms_handler, a backend module needs to call the output dpms handler
* to let the TDM frontend know the output DPMS change indeed.
* @param[in] dpms_value DPMS value
+ * @param[out] sync A flag for sync call
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
* @see #output_set_dpms_handler, #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS
* @since 1.7.0
*/
- tdm_error (*output_set_dpms_async)(tdm_output *output, tdm_output_dpms dpms_value);
+ tdm_error (*output_set_dpms_async)(tdm_output *output, tdm_output_dpms dpms_value, int *sync);
/**
* @brief Get a hwc object of a output object
*/
tdm_hwc *(*output_get_hwc)(tdm_output *output, tdm_error *error);
+ /**
+ * @brief Set the mirror image of the src_output to the output
+ * @details This function set the mirro image of the src_output to the output.
+ * If there is the hardware or the implementation to display the mirror image
+ * of the src_output to the output, the backend does it in this function.
+ * If the backend output gets the ability of the mirror displaying, it has to
+ * set the TDM_OUTPUT_CAPABILITY_MIRROR on the output capability.
+ * @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.
+ * @see #output_set_mirror, #TDM_OUTPUT_CAPABILITY_MIRROR
+ */
+ tdm_error (*output_set_mirror)(tdm_output *output,
+ tdm_output *src_output,
+ tdm_transform transform);
+ /**
+ * @brief Unset the mirror image
+ * @details This function unset the mirro image of the output.
+ * @param[in] output A output object to display the src_output image
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see #output_set_mirror, #TDM_OUTPUT_CAPABILITY_MIRROR
+ */
+ tdm_error (*output_unset_mirror)(tdm_output *output);
+
+ void (*reserved4)(void);
void (*reserved5)(void);
void (*reserved6)(void);
void (*reserved7)(void);
void (*reserved8)(void);
} tdm_func_output;
+typedef struct _tdm_func_voutput {
+ /**
+ * @brief Destroy a virtual output object of a backend module
+ * @param[in] voutput The voutput object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see display_voutput_create() function
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_destroy)(tdm_voutput *voutput);
+
+ /**
+ * @brief Set available modes of a virtual output object
+ * @param[in] voutput A voutput object
+ * @param[in] modes Modes of voutput
+ * @param[in] count A count of modes
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_set_available_mode)(tdm_voutput *voutput, const tdm_output_mode *modes, int count);
+
+ /**
+ * @brief Set physical size(mm) of a virtual output object
+ * @param[in] voutput A voutput object
+ * @param[in] mmwidth Width of voutput
+ * @param[in] mmheight Height of voutput
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_set_physical_size)(tdm_voutput *voutput, unsigned int mmwidth, unsigned int mmheight);
+
+ /**
+ * @brief Set connect status of a virtual output object
+ * @param[in] voutput A voutput object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_connect)(tdm_voutput *voutput);
+
+ /**
+ * @brief Set disconnect status of a virtual output object
+ * @param[in] voutput A voutput object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_disconnect)(tdm_voutput *voutput);
+
+ /**
+ * @brief Get output object from virtual output object
+ * @param[in] voutput A voutput object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @return A tdm_output object
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_output *(*voutput_get_output)(tdm_voutput *voutput, tdm_error *error);
+
+ /**
+ * @brief Set a user commit function
+ * @param[in] voutput A voutput object
+ * @param[in] func A user voutput commit function
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ * If virtual output's output_commit is executed, call this voutput commit func.
+ */
+ tdm_error (*voutput_set_commit_func)(tdm_voutput *voutput, tdm_voutput_commit_handler commit_func);
+
+ /**
+ * @brief Notify commit done to backend
+ * @param[in] voutput A voutput object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_commit_done)(tdm_voutput *voutput);
+
+ /**
+ * @brief Set target buffer queue flag of a virtual output's hwc object
+ * @param[in] voutput A voutput object
+ * @param[in] flags Flags of target buffer queue
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @remark
+ * A backend module doesn't need to implement this function if doesn't support virtual output.
+ */
+ tdm_error (*voutput_set_target_buffer_queue_flag)(tdm_voutput *voutput, int flags);
+
+ void (*reserved2)(void);
+ void (*reserved3)(void);
+ void (*reserved4)(void);
+ void (*reserved5)(void);
+ void (*reserved6)(void);
+} tdm_func_voutput;
/**
* @brief The layer functions for a backend module.
*/
tdm_error (*hwc_get_video_supported_formats)(tdm_hwc *hwc, const tbm_format **formats,
int *count);
/**
- * @brief Get the hwc video capability
+ * @brief Get the available video property array of a hwc object.
* @param[in] hwc A hwc object
- * @param[out] video_capability A hwc hwc video capability
+ * @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 (*hwc_get_video_capability)(tdm_hwc *hwc,
- tdm_hwc_video_capability *video_capability);
+ tdm_error (*hwc_get_video_available_properties)(tdm_hwc *hwc, const tdm_prop **props,
+ int *count);
+
+ /**
+ * @brief Get the hwc capabilities
+ * @param[in] hwc A hwc object
+ * @param[out] capabilities A hwc hwc capability
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+ tdm_error (*hwc_get_capabilities)(tdm_hwc *hwc, tdm_hwc_capability *capabilities);
/**
* @brief Get the available property array of a hwc object.
/**
* @brief Set the client(relative to the TDM) target buffer
- * @details Sets the buffer which will receive the hwc 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 hwc_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().
- *
- * Will be called before hwc_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 hwc_validate() after changing the target through this function.
+ * @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 hwc object
- * @param[in] target The new target buffer
+ * @param[in] target_buffer 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_region damage);
/**
+ * @brief Set the acquire fence of client(relative to the TDM) target buffer
+ * @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.
+ * @since 2.0.0
+ */
+ tdm_error (*hwc_set_client_target_acquire_fence)(tdm_hwc *hwc,
+ int acquire_fence);
+
+
+ /**
* @brief Validate the hwc
- * @details Instructs the device to inspect all of the layer state and
+ * @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. Permitted changes are described in the definition
- * of tdm_composition_t above.
+ * presenting the hwc.
* @param[in] hwc A hwc 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 hwc_accept_changes() to accept the changes returned by
- * hwc_get_changed_composition_types(); must be the same as the number of
- * changes returned by hwc_get_changed_composition_types (see the
- * declaration of that function for more information); pointer will be non-NULL
+ * @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,
/**
* @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 hwc_validate().
+ * @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
- * 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 hwc_validate().
+ * 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 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] 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
+ * @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_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
- * hwc_validate() call (which may be queried using
- * hwc_get_chaged_composition_types()) and revalidates the display. This
- * function is equivalent to requesting the changed types from
- * hwc_get_chaged_composition_types(), setting those types on the
- * corresponding windows, and then calling hwc_validate again.
- * After this call it must be valid to present this display. Calling this after
- * hwc_validate() returns 0 changes must succeed with TDM_ERROR_NONE, but
- * should have no other effect.
+ * @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 (*hwc_accept_changes)(tdm_hwc *hwc);
+ tdm_error (*hwc_accept_validation)(tdm_hwc *hwc);
/**
- * @brief Commit changes for a output object
+ * @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
* @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 output object to screen as well as the layer changes
- * of this output.
+ * 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 output object are applied.
+ * changes of the given hwc object are applied.
*/
tdm_error (*hwc_commit)(tdm_hwc *hwc, int sync, void *user_data);
* @param[in] func A user commit handler
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
*/
- tdm_error (*hwc_set_commit_handler)(tdm_output *hwc, tdm_hwc_commit_handler func);
+ tdm_error (*hwc_set_commit_handler)(tdm_hwc *hwc, tdm_hwc_commit_handler func);
+
+ /**
+ * @brief Get commit fence
+ * @details After all change of a window object are applied about 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 (*hwc_get_commit_fence)(tdm_hwc *hwc, int *commit_fence);
+
+ /**
+ * @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 (*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 (*hwc_get_property)(tdm_hwc *hwc, uint32_t id, tdm_value *value);
} tdm_func_hwc;
/**
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_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 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 information to a window object
- * @details The information will be applied when the hwc 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 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 Set the property which has a given id.
- * @param[in] hwc window A hwc window object
+ * @param[in] hwc_window A hwc window object
* @param[in] id The property id
- * @param[in] value The value
+ * @param[in] value The value of the propery id
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
*/
tdm_error (*hwc_window_set_property)(tdm_hwc_window *hwc_window,
/**
* @brief Get the property which has a given id.
- * @param[in] hwc window A 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_get_property)(tdm_hwc_window *hwc_window,
uint32_t id, tdm_value *value);
/**
- * @brief Get the preperation type of hwc_window
- * @param[in] hwc window A hwc window object
- * @param[out] preperation_types The tdm_hwc_window_preparation types
+ * @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_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 (*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 (*hwc_window_get_preparation_types)(tdm_hwc_window *hwc_window,
- int *preperation_types);
+ tdm_error (*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 (*hwc_window_set_acquire_fence)(tdm_hwc_window *hwc_window,
+ int acquire_fence);
} tdm_func_hwc_window;
/**
tdm_func_output *func_output);
/**
+ * @brief Register the backend voutput functions to a display
+ * @param[in] dpy A display object
+ * @param[in] func_voutput voutput 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 doesn't need to implement this function if doesn't support virtual output.
+ */
+tdm_error
+tdm_backend_register_func_voutput(tdm_display *dpy, tdm_func_voutput *func_voutput);
+
+/**
* @brief Register the backend layer functions to a display
* @param[in] dpy A display object
* @param[in] func_layer layer functions
tdm_func_capture *func_capture);
/**
+ * @brief Register the backend output to a display
+ * @param[in] dpy A display object
+ * @param[in] output A backend output object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_backend_unregister_output
+ */
+tdm_error
+tdm_backend_register_output(tdm_display *dpy, tdm_output *output);
+
+/**
+ * @brief Unregister the backend output to a display
+ * @param[in] dpy A display object
+ * @param[in] output A backend output object
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see tdm_backend_register_output
+ */
+void
+tdm_backend_unregister_output(tdm_display *dpy, tdm_output *output);
+
+/**
* @brief Increase the ref_count of a TDM buffer
* @details
* TDM has its own buffer release mechanism to let an frontend user know when a TDM buffer