* 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
#define _TDM_BACKEND_H_
#include <tbm_surface.h>
+#include <tbm_surface_queue.h>
#include "tdm_types.h"
* @see The display_get_capability() function of #tdm_func_display
*/
typedef struct _tdm_caps_display {
- int max_layer_count; /**< The maximum layer count. -1 means "not defined" */
+ int max_layer_count; /**< The maximum layer count */
} tdm_caps_display;
/**
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. */
unsigned int mmHeight; /**< The physical height (milimeter) */
unsigned int subpixel; /**< The subpixel */
- int min_w; /**< The minimun width. -1 means "not defined" */
- int min_h; /**< The minimun height. -1 means "not defined" */
- int max_w; /**< The maximum width. -1 means "not defined" */
- int max_h; /**< The maximum height. -1 means "not defined" */
- int preferred_align; /**< The prefered align. -1 means "not defined" */
+ 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 */
tdm_output_capability capabilities; /**< The capabilities of output. @since 1.4.1 */
- int cursor_min_w; /**< The minimun width. -1 means "not defined" @since 1.5.0 */
- int cursor_min_h; /**< The minimun height. -1 means "not defined" @since 1.5.0 */
- int cursor_max_w; /**< The maximum width. -1 means "not defined" @since 1.5.0 */
- int cursor_max_h; /**< The maximum height. -1 means "not defined" @since 1.5.0 */
- int cursor_preferred_align; /**< The prefered align. -1 means "not defined" @since 1.5.0 */
+ int cursor_min_w; /**< The minimun width. @since 1.5.0 */
+ int cursor_min_h; /**< The minimun height. @since 1.5.0 */
+ int cursor_max_w; /**< The maximum width. @since 1.5.0 */
+ int cursor_max_h; /**< The maximum height. @since 1.5.0 */
+ int cursor_preferred_align; /**< The prefered align. @since 1.5.0 */
} tdm_caps_output;
/**
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. -1 means "not defined" */
- int min_h; /**< The minimun height. -1 means "not defined" */
- int max_w; /**< The maximum width. -1 means "not defined" */
- int max_h; /**< The maximum height. -1 means "not defined" */
- int preferred_align; /**< The prefered align. -1 means "not defined" */
+ 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 */
- /**< The attach count which a PP object can handle.
- * -1 means "not defined".
- * @since 1.2.0
- */
+ /**< The attach count which a PP object can handle. @since 1.2.0 */
int max_attach_count;
} tdm_caps_pp;
tbm_format
*formats; /**< The @b newly-allocated array of formats. will be freed in frontend. */
- int min_w; /**< The minimun width. -1 means "not defined" */
- int min_h; /**< The minimun height. -1 means "not defined" */
- int max_w; /**< The maximum width. -1 means "not defined" */
- int max_h; /**< The maximum height. -1 means "not defined" */
- int preferred_align; /**< The prefered align. -1 means "not defined" */
+ 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 */
- /**< The attach count which a capture object can handle.
- * -1 means "not defined".
- * @since 1.2.0
- */
+ /**< The attach count which a capture object can handle. @since 1.2.0 */
int max_attach_count;
} tdm_caps_capture;
* is connected.\n
* If a hardware has the restriction of the number of max usable layer count,
* a backend module can set the max count to max_layer_count of #tdm_caps_display
- * structure. Otherwise, set -1.
+ * structure.
*/
tdm_error (*display_get_capability)(tdm_backend_data *bdata, tdm_caps_display *caps);
*/
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);
tdm_output_commit_handler func);
/**
- * @brief Set DPMS of a output object
+ * @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.
/**
* @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.
/**
* @brief Set a output dpms handler
- * @details A backend module needs to call the output dpms handler when the
- * output DPMS has been changed to let the TDM frontend know the change.
+ * @details This function can be NULL if an output doesn't support asynchronous
+ * DPMS control. Otherwise, a backend module needs to call the output dpms handler
+ * to let the TDM frontend know the output DPMS change indeed.
* @param[in] output A output object
* @param[in] func A output dpms handler
* @param[in] user_data The user data
* @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @see #output_set_dpms_async, #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS
* @since 1.4.0
*/
tdm_error (*output_set_dpms_handler)(tdm_output *output,
tdm_output_dpms_handler func,
void *user_data);
- void (*reserved2)(void);
- void (*reserved3)(void);
+
+ /**
+ * @brief Set DPMS of a output object asynchronously
+ * @param[in] output A output object
+ * @details This function can be NULL if an output doesn't support asynchronous
+ * DPMS control. Otherwise, an output should have #TDM_OUTPUT_CAPABILITY_ASYNC_DPMS
+ * flags which #output_get_capability returns. And if a output dpms handler is added with
+ * #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, int *sync);
+
+ /**
+ * @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 hwc 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 (*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);
+
+ void (*reserved1)(void);
+ 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.
*/
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 available video property array of a hwc object.
+ * @param[in] hwc A hwc object
+ * @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_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.
+ * @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_HWC_WIN_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_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.
+ * @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 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_validation)(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);
+
+ /**
+ * @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;
+
+/**
+ * @brief The window functions for a backend module.
+ * @since 2.0.0
+ */
+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 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_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 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.
+ */
+ tdm_error (*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 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
+ * 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.
+ */
+ tdm_error (*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 geometry information
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+ tdm_error (*hwc_window_set_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 TBM buffer
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+ 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] 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_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 (*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 (*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_set_cursor_image)(tdm_hwc_window *hwc_window,
+ int width, int height, int stride, void *ptr);
+} tdm_func_hwc_window;
+
/**
* @brief The pp functions for a backend module.
*/
*/
#define TDM_BACKEND_SET_ABI_VERSION(major, minor) \
(((major) << 16) & TDM_BACKEND_MAJOR_VERSION_MASK) | \
- ((major) & TDM_BACKEND_MINOR_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
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_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
+ * @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_window functions at least.
+ * @since 2.0.0
+ */
+tdm_error
+tdm_backend_register_func_hwc_window(tdm_display *dpy, tdm_func_hwc_window *func_hwc_window);
+
+/**
* @brief Register the backend pp functions to a display
* @param[in] dpy A display object
* @param[in] func_pp pp 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
void
tdm_event_loop_source_remove(tdm_event_loop_source *source);
+/**
+ * @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
+ */
+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
}
#endif