WO2017173576A1 - 一种显示方法及终端 - Google Patents

一种显示方法及终端 Download PDF

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Publication number
WO2017173576A1
WO2017173576A1 PCT/CN2016/078476 CN2016078476W WO2017173576A1 WO 2017173576 A1 WO2017173576 A1 WO 2017173576A1 CN 2016078476 W CN2016078476 W CN 2016078476W WO 2017173576 A1 WO2017173576 A1 WO 2017173576A1
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Prior art keywords
data
display
display data
layer data
buffer area
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PCT/CN2016/078476
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English (en)
French (fr)
Inventor
汤中峰
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/078476 priority Critical patent/WO2017173576A1/zh
Priority to CN201680084262.8A priority patent/CN108885775B/zh
Publication of WO2017173576A1 publication Critical patent/WO2017173576A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing

Definitions

  • the present invention relates to the field of display systems, and in particular, to a display method and a terminal.
  • a variety of terminals such as computers, mobile phones, tablets, point of sales (POS) or on-board computers, all have display systems for presenting a user interface (UI) for human-computer interaction.
  • UI user interface
  • the Android system needs to implement the process of drawing, caching, synthesizing and displaying from top to bottom.
  • the display system needs to call a graphics processing unit (GPU) to alternately display the display data containing the cursor and not including the cursor, and then display it through the frame buffer (FrameBuffer) buffer, layer composition (Surface Flinger) and the like. Go to the display panel to achieve a blinking display of the cursor.
  • GPU graphics processing unit
  • FrameBuffer frame buffer
  • layer composition Service Flinger
  • the embodiment of the invention discloses a display method and a terminal to optimize the processing process of the existing display system and reduce the display power consumption of the terminal.
  • an embodiment of the present invention provides a display method, including:
  • mapping the second display data to generate second layer data and storing the second layer data in the second buffer area, where the second buffer area is different from the first buffer area;
  • the scheme can reduce the drawing frequency of the display data of the terminal and reduce the power consumption.
  • the scheme displays the image normally while reducing the power consumption of the terminal, and does not affect the user experience.
  • the first display data includes display data of a cursor image
  • the second display data includes display data of a background image corresponding to a position of the cursor image.
  • the display module of the terminal alternately displays the cursor picture and the background image of the cursor position to achieve normal blinking display of the cursor.
  • the method further includes:
  • the third display data is the same as the first display data or the third display data is the same as the second display data, after acquiring the first layer data for processing, displaying according to the first figure The image generated by the layer data.
  • the terminal does not have to draw the currently obtained display data, but processes and displays the layer data generated and stored by the previous drawing. This process simplifies the drawing process and greatly reduces drawing power.
  • the method further includes:
  • the third display data of the application is mapped to generate third layer data, and the third layer data is stored Third buffer area;
  • the terminal restarts the drawing of the currently obtained display data to ensure that the normal interface of the terminal is displayed without affecting the user experience.
  • the method before the stopping the drawing of the display data, the method also includes:
  • a trigger event was detected.
  • the terminal Before stopping the drawing, the terminal can detect whether there is a trigger event to stop drawing, so as to ensure that stopping the drawing does not affect the normal display of the terminal.
  • the trigger event is that the location of the cursor picture does not change.
  • the position of the cursor picture does not change, indicating that the display content of the text has not changed substantially. Therefore, it is possible to determine whether the display data has changed by the position change of the cursor picture as a trigger event for stopping the drawing.
  • the first display data is generated by drawing The first layer of data, including:
  • Mapping the second display data of the application to generate second layer data including:
  • the GPU can draw the display data, and write each display content in the display data into the data area corresponding to the content.
  • the GPU alternately writes the display data of the cursor picture and the display data of the background picture into the data area corresponding to the position of the cursor picture to implement the blinking display of the cursor.
  • a terminal having a display function includes: one or more processors, a memory, a display screen, and a bus, and the one or more processors, the memory, and the display screen pass The bus communication;
  • the memory is for storing instructions
  • the display screen is used to display a user interface
  • the one or more processors are configured to invoke instruction execution in the memory:
  • mapping the second display data to generate second layer data and storing the second layer data in the second buffer area, where the second buffer area is different from the first buffer area;
  • the terminal can implement the method provided by the first aspect, and the terminal can stop drawing the display data and reduce the drawing frequency, thereby saving power consumption.
  • the scheme displays the image normally while reducing the power consumption of the terminal, and does not affect the user experience.
  • the terminal provided by the second aspect of the embodiment of the present invention may further implement any one of the first implementation manner to the seventh implementation manner of the first aspect of the embodiment of the present invention.
  • any one of the first implementation manner to the seventh implementation manner of the first aspect of the embodiment of the present invention may further implement any one of the first implementation manner to the seventh implementation manner of the first aspect of the embodiment of the present invention.
  • a terminal having a display system wherein the display system comprises: a control module, a drawing module, a synthesis module, a storage module, and a display module;
  • the control module is configured to invoke the drawing module to perform drawing, and control the synthesizing module to process layer data;
  • the drawing module is configured to map the first display data to generate the first layer data, and store the first layer data in the first buffer area of the storage module;
  • the drawing module is further configured to: draw second display data to generate second layer data, and store the second layer data in a second buffer area of the storage module, where the second buffer area is different In the first buffer area;
  • the storage module includes a first buffer area for storing first layer data, and a second buffer area for storing second layer data;
  • the drawing module is further configured to stop drawing the display data according to the control of the control module;
  • the synthesizing module is configured to acquire, according to the control of the control module, the first layer data of the first buffer area for processing;
  • the display module is configured to display an image generated according to the first layer data
  • the synthesizing module is further configured to acquire, according to the control of the control module, the second layer data of the second buffer area for processing;
  • the display module is further configured to display an image generated according to the second layer data, and not generate an image generated according to the first layer data.
  • the terminal's display system can stop drawing the display data and reduce the drawing frequency, thus saving power consumption.
  • the scheme displays the image normally while reducing the power consumption of the terminal, and does not affect the user experience.
  • the terminal having the display system provided by the third aspect of the embodiment of the present invention may further implement the content of any one of the first embodiment to the seventh embodiment of the first aspect of the embodiment of the present invention, where No longer.
  • a fourth aspect of the present invention provides a display method, including:
  • the terminal can directly write the display data of the cursor picture and the display data of the background picture directly into the data area corresponding to the position of the cursor picture in the memory, without calling the processor for drawing. This can reduce the drawing frequency of the terminal to display data and reduce power consumption.
  • the scheme displays the image normally while reducing the power consumption of the terminal, and does not affect the user experience.
  • the method before the generating the first layer data, the method further includes:
  • a trigger event was detected.
  • the terminal Before stopping the drawing, the terminal can detect whether there is a trigger event to stop drawing, so as to ensure that stopping the drawing does not affect the normal display of the terminal.
  • the trigger event is that the location of the cursor picture does not change.
  • the position of the cursor picture does not change, indicating that the display content of the text has not changed substantially. Therefore, it can be judged whether the display data changes by the position change of the cursor picture, and whether the display data of the cursor picture can be directly written into the memory as it is not possible to draw.
  • the trigger event in the corresponding storage area is not limited to.
  • the embodiment of the present invention may further provide a terminal for implementing the display method of the foregoing fourth aspect, which is not illustrated herein.
  • FIG. 1 is a block diagram of a display system of a terminal according to an embodiment of the present invention.
  • FIG. 2 is a processing flow of a display system of a terminal according to an embodiment of the present invention.
  • FIG. 3 and FIG. 4 are schematic diagrams showing a drawing flow of a cursor display by a display system according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a display method according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of still another display method disclosed in an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of still another display method according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the "terminal” is a device that includes a display system and can realize a human-computer interaction function, and the terminal can be a computer, a mobile phone, a tablet computer, a point of sales (POS) or a vehicle-mounted computer, etc., in the present invention.
  • a mobile phone is taken as an example for description.
  • the display system can be built in the terminal for presenting a user interface (UI), realizing human-computer interaction, processing the image, and displaying the display panel in the display system, wherein the display panel can adopt liquid crystal It is configured in the form of a liquid crystal display (LCD) or an organic light-emitting diode (OLED).
  • UI user interface
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • a layer composed of many pixels, is the basic unit that makes up an image.
  • a frame of image can be a layer, or it can be composed of multiple layers stacked up and down.
  • a layer is like a film containing elements such as text or graphics. The sheets are stacked one on another and combined to form the final result of the image.
  • the layer data refers to data generated by the terminal after drawing the data to be displayed.
  • the data generated by the GPU drawing and buffered into the memory may be subjected to subsequent layer synthesis processing.
  • FIG. 1 is a structural diagram of a display system to which a terminal according to an embodiment of the present invention is applied.
  • the display system 100 can include a control module 101, a drawing module 102, a synthesizing module 103, a storage module 104, a display module 105, and a clock module 107.
  • control module 101 can send a control signal to the drawing module 102, the synthesizing module 103, and the display module 105 in the display system 100 to implement control of the module, so that the drawing module 102, the synthesizing module 103, and the display module 105 are based on the control signal.
  • Process image data Process image data.
  • the drawing module 102 After receiving the drawing control signal of the control module 101, the drawing module 102 acquires the The terminal needs to display the to-be-displayed data of one or more applications (such as application 1 to application n in the figure), and performs drawing processing according to the obtained plurality of to-be-displayed data, generates multiple layer data, and generates multiple generated data.
  • the layer data is sent to the storage module 104.
  • the synthesis module 103 After receiving the synthesis control signal of the control module 101, the synthesis module 103 acquires the plurality of layer data from the storage module 104, performs layer synthesis, generates a final image of one frame, and generates a generated image.
  • the synthesizing module 103 may further include a hardware compiling (HWC) process in performing layer synthesizing.
  • HWC hardware compiling
  • the storage module 104 is generally a buffer, stores layer data of a plurality of layers generated by the drawing module 102, and stores an image generated by the synthesis module 103.
  • the storage module 104 may refer to a part of the terminal storage space, such as a frame buffer FrameBuffer that is specifically used to store the screen display information of the terminal.
  • the display module 105 includes a display panel 106. After receiving the display control signal of the control module 101, the display module 105 acquires the image in the storage module 104, and pushes the image to the display panel 106 for display.
  • the module clock module 107 is displayed for setting the clock and/or counting time.
  • the clock module 107 sends a clock signal to the control module 101 every time the set time is long, and the control module 101 is notified to trigger a control signal, and the drawing module 102, the synthesizing module 103, and the display module 105 are controlled to execute a corresponding flow.
  • FIG. 2 is a processing flowchart of a display system of the terminal, and the processing flow of the display image may include:
  • the drawing process 202 may also be referred to as an application drawing process; acquiring data to be displayed of one or more applications to be displayed, performing drawing processing on the data to be displayed, and generating layer data of one or more layers;
  • the drawing process can include a software based drawing mode and/or a hardware accelerated drawing mode.
  • software-based drawing mode the CPU dominates the drawing.
  • hardware accelerated drawing mode graphics are dominated by a Graphics Processing Unit (GPU).
  • the GPU can be separately combined with a dedicated circuit board and an accessory component to form a graphics card, or a single chip can be directly embedded in the motherboard, or built in the chip of the motherboard, or can be built in the CPU to form a system chip (System) On Chip, SoC), the invention is not specifically limited.
  • Cache process 204 Cache the mapped layer generated in the drawing process in the storage module Data; for example, in hardware accelerated drawing mode, the storage module in the cache process can store layer data generated by the GPU drawing.
  • the synthesis process 206 may also be referred to as a layer synthesis process; the display system may call the Surface Flinger service of the Android system to synthesize the layer data of the plurality of layers generated in the drawing process 202 to generate a frame to be displayed;
  • the Surface Flinger service is a system level service (Service) of the Android system; optionally, the synthesis process may also include HWC processing and the like.
  • the display process 208 performing the device display processing on the image to be displayed generated by the above-mentioned synthesis process 206, and pushing the image to be displayed to the display panel for display.
  • the terminal having the display system shown in FIG. 1 can realize the display of the user interface according to the related processing of the image processing flow shown in FIG. 2, and realize human-computer interaction.
  • the objects displayed on the user interface may include pictures, texts, videos, and the like, which are not specifically limited by the present invention.
  • Text editing is a basic function of a terminal with a display system.
  • a cursor When the user enters text in a text input box or a program, there is always a cursor to show where you are going to enter the text. Most of the cursors are now a small vertical line that flashes regularly at regular intervals. In some specific systems or programs, some cursors are short dashes, but they also periodically flash regularly. Of course, some cursors can also be specific images, and can even have different rendering states in different situations, such as some cursors in windows systems.
  • the display system implements the blinking display of the above cursor through a thread.
  • the display system can alternately display the cursor picture and the background image corresponding to the cursor position with the other display data to the GPU for drawing every 500 ms, and cache the layer data generated by the GPU drawing to a storage module, such as FrameBuffer, and then The synthesis process and the device display process, which are processed by calling the Surface Flinger service of the Android system, are displayed to realize the blinking effect of the cursor.
  • the solution provided by the embodiment of the present invention is described by taking the blinking display of the cursor in the text input box as an example, but the solution of the present invention is applicable to all applications or states with repeated blinking objects similar to cursor blinking.
  • the bar is not limited to implementing a blinking display of the cursor.
  • the application or status bar having a repeated blinking object similar to the cursor blinking may include an instant notification message in the notification bar, such as a QQ notification message of the notification bar, when the QQ receives a new message and is in an unread state, in the notification
  • the picture in the column interface has a notification message that is blinking to remind the user that there is an unread message; the application that displays the interface with repeated blinking is also included; and the present invention does not specifically limit the object of repeated flashing display.
  • FIG. 3 and FIG. 4 are simplified diagrams showing the drawing flow of the cursor display by the display system of the terminal.
  • the drawing process is implemented by the control module of the display system controlling the drawing module, and the control module controls the generated layer data to be cached to a storage module, such as a FrameBuffer.
  • FIG. 3 is a drawing flow for drawing display data including a cursor picture.
  • the first drawing timing is the time when the drawing module performs the drawing processing after receiving the drawing control signal of the control module.
  • the control module of the display system can obtain the position of the cursor picture according to the screen display information of the user interface of the application.
  • the display system can obtain the display data of the cursor picture and the cursor position through the thread of the Android system.
  • the method for obtaining the cursor position can be referred to the implementation of the Android 4.0 system.
  • the display system acquires the current position of the cursor picture, that is, the cursor position, which is A(X a , Y a ).
  • the cursor data may be composed of a set of two-dimensional matrices, for example, a two-dimensional matrix of 16 ⁇ 16 or 32 ⁇ 32.
  • the cursor data may include one or more of information such as the size, shape, color, and the like of the cursor.
  • the cursor data may also be data indicating that the storage location of the corresponding cursor or other identifier can indicate that the corresponding cursor is acquired.
  • the cursor data corresponds to the screen display information of the cursor, and the specific content of the cursor data is not specifically limited in the embodiment of the present invention.
  • the control module control of the display system sends the cursor data and other data to be displayed to the GPU for drawing.
  • Other data to be displayed is other display content of the application, specifically, the text content around the cursor picture.
  • the GPU writes the cursor data into the data area corresponding to the cursor position to implement a drawing containing the cursor picture.
  • the GPU writes all the data to be displayed into the corresponding data area according to the position of each data to be displayed. According to the acquired cursor position, such as position A, the GPU writes the cursor data to the data area corresponding to position A.
  • S408a The first layer data generated by the GPU drawing is cached to the storage module, so that the display system implements subsequent synthesis and display processes.
  • control module of the display system can control the storage of the first layer data containing the cursor generated by the GPU drawing to the storage module.
  • the first layer data may be acquired from the storage module to be synthesized to generate an image to be displayed.
  • the display process of the display system can push the image to be displayed to the display panel for display. It can be understood that the display process can perform other processing, such as matching the image to be displayed with the characteristics of the display panel, before the display image is pushed to the display panel for display, and the present invention is not limited thereto.
  • the display process can perform other processing, such as matching the image to be displayed with the characteristics of the display panel, before the display image is pushed to the display panel for display, and the present invention is not limited thereto.
  • FIG. 4 is a drawing flow for drawing display data not including a cursor picture.
  • the second drawing timing is also the time for the drawing module to perform the drawing processing after receiving the drawing control signal of the control module.
  • the second drawing timing is different from the first drawing timing.
  • the first drawing timing and the second drawing timing are only used to identify different drawing processes, and are not otherwise limited.
  • the cursor data is not acquired here, but the display data of the background image corresponding to the cursor position when the cursor picture is not displayed, which may be referred to as background data or background image data.
  • the background data matches the background data of the adjacent area of the cursor position.
  • the control module of the display system controls the background image data and other display data of the application to be sent to the GPU for drawing.
  • the GPU writes the background image data into the data area corresponding to the cursor position A to implement the drawing without the cursor picture.
  • the GPU writes all data to be displayed to the data area of the corresponding location. According to the acquired cursor position, such as position A, the GPU writes the background picture data to the data area corresponding to position A. It can be understood that the GPU can re-draw all the data, and can only re-map the position where the display data changes, which is not specifically limited in the embodiment of the present invention.
  • S408b Cache the second layer data generated by the GPU drawing to the storage module, so that the display system implements subsequent synthesis and display processes.
  • control module of the display system can control the storage of the second layer data generated by the GPU drawing without the cursor to the storage module.
  • the second layer data may be acquired from the storage module to be synthesized to generate an image to be displayed.
  • the display process of the display system can push the image to be displayed to the display surface The board is displayed.
  • the processing of this step is similar to that of S408a. For details, refer to the description of S408a, and details are not described herein again.
  • the display system can control the drawing module to execute the next drawing process directly or at intervals.
  • the image processing flow of the display system can be processed in parallel, for example, the synthesis process in the first image processing flow and the drawing process in the second image processing flow can be processed simultaneously; the image processing flow of the display system can also be serialized Processing, that is, the display system executes the entire process of the first image processing flow before executing the second image processing flow.
  • the embodiment of the present invention does not specifically limit the serial parallel processing manner between different processing flows of the image processing flow of the display system.
  • the data of the cursor is written into the data area corresponding to the position A of the cursor through the GPU drawing; if the position of the cursor does not change at the next drawing timing, the display system of the terminal will have no cursor.
  • the background picture data corresponding to the cursor position is written to the data area of the corresponding position A to implement a drawing that does not contain the cursor picture. It can be understood that implementing the drawing process may require the participation of other structures or circuits of the terminal, may include more control signaling, more steps, etc., and will not be described in detail herein.
  • the existing display system needs to realize the blinking display of the cursor, and each display needs to call the drawing process to draw the display data of each application, for example: existing hardware acceleration.
  • drawing mode the display system needs to call the GPU to draw each time.
  • the display data of each application does not change all the time. If the data to be displayed needs to be displayed for a period of time, in each drawing sequence, the GPU is required to repeatedly draw the same data to be displayed, which causes a waste of resources to some extent, and increases the terminal display system. Power consumption.
  • FIG. 5 shows a display method according to an embodiment of the present invention.
  • FIG. 5 is a display method provided on the basis of FIGS. 3 and 4 to optimize an existing display method and reduce display power consumption.
  • the steps in Figure 5 that are the same or similar to those of Figure 4 can be seen in the related description of Figure 4.
  • the cursor position may be the currently acquired cursor position or the position of the cursor that has been previously acquired and recorded. The method of acquiring the cursor position and the cursor data will not be described here.
  • the GPU has drawn the data to be displayed and buffered to the corresponding data area of the memory.
  • the display system The GPU is not called to draw the data to be displayed of the application, but the cursor data is directly written into the data area of the corresponding location in the memory by the control of the display system.
  • the display system can use the Binder mechanism of the Android system to write the cursor data corresponding to the cursor image to the data area corresponding to the cursor position without drawing through the GPU.
  • directly writing the cursor data into the data area corresponding to the cursor position in the memory means that the cursor data is stored in the memory and does not need to be drawn, such as calling the GPU to the cursor and the associated display data. Drawing does not mean that no other signaling control and processing is required.
  • S506 Acquire first layer data stored in the memory for Surface Flinger synthesis and display
  • step S504 the display system does not call the GPU to draw the data to be displayed of the application, but directly writes the background picture data into the data area of the corresponding location in the memory through the control of the display system.
  • the display system acquires the second layer data stored in the memory for Surface Flinger synthesis and display.
  • the solution of the embodiment of the present invention can implement the drawing process and the buffering process of the display processing process by directly writing the data to be displayed including the cursor picture into a memory, such as a FrameBuffer.
  • the display system needs to sequentially transmit the display data of the cursor picture or the background picture data to the FrameBuffer, although the transmission of the frequent picture display data will impose a certain burden on the system, but the method does not need to call the GPU every time.
  • Drawing reduces the frequency of GPU drawing, which saves system resources and reduces the power consumption of the terminal's display system.
  • the above scheme is applicable to a terminal in which display data stored in a memory does not need to be compression-encoded.
  • the display system can directly write the data of the cursor into the data area corresponding to the cursor position in the memory.
  • the layer data processed by the drawing process is buffered to the memory, the layer data needs to be compression-encoded according to a preset format, for example, using ARM's Arm Frame Buffer Compression (AFBC) algorithm
  • AFBC ARM's Arm Frame Buffer Compression
  • the display system needs to store the memory.
  • the data associated with the position of the cursor is first decoded, and then the data of the cursor is written, and then the data of the block is encoded and stored in the corresponding buffer area.
  • additional memory may need to be allocated. To save the decoded data of the corresponding block, this may cause some extra space and a certain performance loss.
  • FIG. 6 is another display method provided by an embodiment of the present invention.
  • the display method is further optimized on the display method described in FIG. 4, and in the case where the user has no operation and the display data other than the cursor position does not change, the normal display can be realized without the drawing process.
  • the display method does not need to transmit the data of the cursor picture or the display data of the background picture to the memory FrameBuffer every time, so that the burden of frequent transmission of the picture display data to the system can be reduced, and it is not necessary to consider whether the data storage needs Compression coding.
  • the display method includes:
  • the terminal draws the first display data and stores the first display data into the first buffer area.
  • the display interface of the terminal can include an application with a text input box.
  • the terminal can call the GPU to draw the first display data.
  • the first display data may be display data containing a cursor picture.
  • the terminal stores the first display data of the drawing into the first buffer area.
  • the first buffer area may be a storage area dedicated to storing display data, such as FrameBuffer.
  • the first display data may be display data of a display interface of an application, or may be display data of a certain window of an application, or may be a display data of a cursor image or a position of a cursor image. Corresponding background image display data, etc. Alternatively, the first display data may be display data of multiple layers, or may be display data of one layer.
  • the terminal draws the second display data into the second buffer area, where the second buffer area is different from the first buffer area.
  • the terminal can call the GPU to draw the second display data of the application.
  • the second display data may be display data including a background image corresponding to a cursor position, that is, display data not including a cursor.
  • the terminal stores the second layer data generated by the drawing into the second buffer area.
  • the second buffer area may also be a storage area dedicated to storing display data, such as FrameBuffer. It can be understood that the first buffer area and the second buffer area are only different in storage address.
  • the first buffer area and the second buffer area may also be identified by different numbers.
  • the first buffer area and the second buffer area may be buffer areas with consecutive addresses, or may be buffer areas with discontinuous addresses.
  • the terminal may determine whether to stop drawing the display data by detecting whether the cursor position changes. Specifically, the terminal acquires the third display data, and if the terminal detects the currently included third display data, the cursor is included before the GPU is drawn. The position is the same as the position of the cursor included in the first display data and the second display data, and the display system of the terminal stops drawing the current third display data.
  • the terminal may also determine whether to stop drawing the display data by monitoring whether the user's operation meets the preset condition. For example, the user can trigger a timer each time the operation ends. When the user has no operation for the terminal for more than a predetermined period of time, that is, when the timer expires for a predetermined period of time, the display system of the terminal stops calling the GPU to draw the display data.
  • the terminal can also detect display data other than the cursor position.
  • the terminal may be triggered to stop drawing the display data of the application.
  • the trigger terminal stops drawing the display data of the application.
  • the terminal when the terminal detects that the number of times the same display data except the cursor position is drawn exceeds a preset number of times, the terminal may be triggered to stop drawing the display data of the application.
  • the first buffer area stores the layer data of the application that has been drawn with the cursor
  • the second storage area stores the drawn image of the application that does not contain the cursor and contains the cursor.
  • the layer data of the display data corresponding to the background image of the location.
  • the terminal acquires the first layer data of the first buffer area, performs synthesis processing, and displays the data.
  • the terminal After the terminal acquires the data of the first buffer area and sends it to the layer synthesis module for synthesis, the image generated by the first layer data is displayed to the display panel. It can be understood that after the terminal layer synthesizing module synthesizes the display data, other processing may be required, and the content of the present application does not specifically describe the content.
  • the terminal acquires the second layer data of the second buffer area, performs synthesis processing, and displays the data.
  • the terminal After the terminal acquires the data of the second buffer area and sends the data to the layer synthesis module for synthesis, the image generated by the second layer data is displayed to the display panel. It can be understood that after the terminal layer synthesizing module synthesizes the display data, other processing may be required, and the content of the present application does not specifically describe the content.
  • the terminal determines whether the display data changes, if so, the terminal performs step S616; if not, the terminal performs steps S610 and S612;
  • the determining, by the terminal, whether the data is changed may be after the terminal acquires the second layer data of the second buffer area, that is, after step S612, or may acquire the first buffer area.
  • the first layer data is processed, that is, after step S610; it may be after the terminal stops drawing the display data, that is, after S608;
  • the terminal judges whether the display data changes at the beginning of each drawing sequence. Since the drawing process and the composition process or the display process can be processed in parallel, the relationship with the other steps may be various, depending on the drawing process of the terminal.
  • the embodiment of the present invention is not specifically limited.
  • the terminal restarts the drawing processing of the third display data.
  • the third display data is different from the first display data and the second display data.
  • the display data changes which may refer to one or more changes in the position, shape, and size of the cursor, or may change other display data of the display interface where the cursor is located, for example, may be adjacent to the cursor.
  • the addition or deletion of the text, or the font of the text, the change of the display interval, and the like are not specifically limited in the embodiment of the present invention. Normally, the above display data changes and the position of the cursor changes. Therefore, optionally, the terminal can determine whether the display data changes by detecting whether the cursor position changes.
  • the third buffer area may be the same buffer area as the first buffer area or the second buffer area. At this time, the third layer data generated by the terminal after drawing the third display data of the application is replaced.
  • the first layer data or the second layer data in the memory; the third buffer area may also be a buffer area different from the first buffer area or the second buffer area, that is, the storage of the third layer data is independent of the first map. Layer data or second layer data.
  • the fourth display data is different from the third display data only in that the display data corresponding to the position of the cursor is the display data of the cursor picture or the display data of the background picture, then At this time, the terminal draws the fourth display data and stores it in the fourth buffer area, so that the terminal performs the composite processing on the third layer data and displays it to the user to realize the blinking display of the cursor, wherein the fourth buffer area is different from the fourth buffer area.
  • the third buffer area is the display data corresponding to the position of the cursor is the display data of the cursor picture or the display data of the background picture.
  • the terminal continues to monitor the user's operation.
  • the condition that triggers the terminal to stop drawing the display data is satisfied in S608, the related operations of S608 to S614 described above are performed again until the display data of the application changes again.
  • the terminal when the terminal detects the trigger event, the terminal can directly stop drawing the display data.
  • the terminal has performed the above S604, S606, and stores the first layer data and the second layer data in the buffer area.
  • the terminal may also perform S604 and after determining that the preset condition is satisfied.
  • S606 Draw the display data including the cursor picture and the display data of the display data including the background picture, respectively store the first buffer area and the second buffer area, and then stop drawing the display data, as shown in FIG. 7.
  • Figure 7 is another display method of an embodiment of the present invention provided on the basis of Figure 6.
  • FIG. 6 For the same or similar steps as in FIG. 6, reference may be made to the related description of FIG. 6, and details are not described herein again.
  • the terminal maps the first display data to generate the first layer data, and stores the first layer data in the first buffer area;
  • the terminal performs drawing on the second display data to generate second layer data, and stores the second layer data in the second buffer area; the second buffer area is different from the first buffer area;
  • S706 The terminal stops drawing the display data.
  • the terminal stops drawing the display data of the application. That is, when the terminal stops drawing the display data of the application, the first buffer area stores the layer data of the application that has been drawn with the cursor, and the second storage area stores the drawn image of the application that does not contain the cursor.
  • the layer data of the display data of the background image containing the position corresponding to the cursor.
  • the layer data after the GPU drawing can be accessed by the block in the FrameBuffer.
  • the terminal When the terminal performs synthetic display on the acquired layer data, it can also acquire only the data of the cursor position to perform corresponding synthesis processing, and replace the data of the corresponding position processed before, without synthesizing all the layer data of the application. .
  • the present invention further provides a terminal 1100 for implementing the method provided by the embodiment of the present invention, which is used to execute the processing flow and display method of the display system of FIG. 2 to FIG.
  • FIG. 8 is a block diagram showing a partial configuration of a terminal 1100 related to an embodiment of the present invention.
  • the terminal 1100 includes an RF (Radio Frequency) circuit 1110, a memory 1120, other input devices 1130, a display 1140, a sensor 1150, an audio circuit 1160, an I/O subsystem 1170, a processor 1180, and a power supply 1190. And other components.
  • RF Radio Frequency
  • the mobile terminal structure shown in FIG. 8 does not constitute a limitation of the mobile terminal, may include more or less components than illustrated, or combine some components, or split some components. , or different parts layout.
  • the components of the terminal 1100 are specifically described below with reference to FIG. 8:
  • the RF circuit 1110 can be used for transmitting and receiving information or during a call, receiving and transmitting signals, in particular, After the downlink information of the base station is received, it is processed by the processor 1180; in addition, the uplink data is designed to be sent to the base station.
  • the RF circuit 1110 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, an LNA (Low Noise Amplifier), a duplexer, and the like.
  • RF circuitry 1110 can also communicate with the network and other devices via wireless communication.
  • the memory 1120 can be used to store software programs and modules, and the processor 1180 executes various functional applications and data processing of the terminal 1100 by running software programs and modules stored in the memory 1120.
  • the memory 1120 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored. Data (such as audio data, phone book, etc.) created according to the use of the terminal 1100.
  • memory 1120 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • Other input devices 1130 can be used to receive input numeric or character information, as well as generate key signal inputs related to user settings and function control of terminal 1100.
  • other input devices 1130 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and light mice (the light mouse is not sensitive to display visual output).
  • function keys such as volume control buttons, switch buttons, etc.
  • trackballs mice, joysticks, and light mice (the light mouse is not sensitive to display visual output).
  • Other input devices 1130 are coupled to other input device controllers 571 of I/O subsystem 1170 for signal interaction with processor 1180 under the control of other device input controllers 1171.
  • the display 1140 can be used to display information entered by the user or information provided to the user as well as various menus of the terminal 1100, and can also accept user input.
  • the specific display screen 1140 can include a display panel 1141 and a touch panel 1142.
  • the display panel 1141 can be configured by using an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like.
  • the touch panel 1142 also referred to as a touch screen, a touch sensitive screen, etc., can collect contact or non-contact operations on or near the user (eg, the user uses any suitable object or accessory such as a finger, a stylus, etc. on the touch panel 1142.
  • the operation in the vicinity of the touch panel 1142 may also include a somatosensory operation; the operation includes a single-point control operation, a multi-point control operation, and the like, and drives the corresponding connection device according to a preset program.
  • the touch panel 1142 may include two parts: a touch detection device and a touch controller. Wherein, the touch detection device detects the touch orientation and posture of the user, and detects a signal brought by the touch operation, and transmits a signal to the touch controller; the touch controller receives the touch information from the touch detection device, and converts the signal into a processor. Processing letter The information is sent to the processor 1180 and can receive commands from the processor 1180 and execute them.
  • the touch panel 1142 can be implemented by using various types such as resistive, capacitive, infrared, and surface acoustic waves, and the touch panel 1142 can be implemented by any technology developed in the future.
  • the touch panel 1142 can cover the display panel 1141, and the user can display the content according to the display panel 1141 (the display content includes, but is not limited to, a soft keyboard, a virtual mouse, a virtual button, an icon, etc.) on the display panel 1141. Operation is performed on or near the covered touch panel 1142. After detecting the operation on or near the touch panel 1142, the touch panel 1142 transmits to the processor 1180 through the I/O subsystem 1170 to determine user input, and then the processor 1180 is based on the user.
  • the input provides a corresponding visual output on display panel 1141 via I/O subsystem 1170.
  • the touch panel 1142 and the display panel 1141 are used as two independent components to implement the input and input functions of the terminal 1100 in FIG. 8, in some embodiments, the touch panel 1142 can be integrated with the display panel 1141.
  • the input and output functions of the terminal 1100 are implemented.
  • Terminal 1100 can also include at least one type of sensor 1150, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1141 according to the brightness of the ambient light, and the proximity sensor may close the display panel 1141 when the terminal 1100 moves to the ear. / or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • attitude of the mobile terminal such as horizontal and vertical screen switching, Related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc., which can be configured in the terminal 1100, No longer.
  • Audio circuit 1160, speaker 1161 speaker 1161, microphone 1162 can provide an audio interface between the user and terminal 1100.
  • the audio circuit 1160 can transmit the received audio data converted signal to the speaker 1161 of the speaker 1161, and be converted into a sound signal output by the speaker 1161 of the speaker 1161; on the other hand, the microphone 1162 converts the collected sound signal into a signal by the audio.
  • the circuit 1160 receives the converted audio data, outputs the audio data to the RF circuit 108 for transmission to, for example, another mobile terminal, or outputs the audio data to the memory 1120 for further processing.
  • the I/O subsystem 1170 is used to control external devices for input and output, and may include other device input controllers 1171, sensor controllers 1172, and display controllers 1173.
  • one or more other device input controllers 1171 receive signals from other input devices 1130 and/or send signals to other input devices 1130, and other input devices 1130 may include physical buttons (press buttons, rocker buttons, etc.), Dial pad, slide switch, joystick, click wheel, light mouse (light mouse is not displayed) A touch-sensitive surface that is visually output, or an extension of a touch-sensitive surface formed by a touch screen. It is worth noting that other input device controllers 1171 can be connected to any one or more of the above devices.
  • Display controller 1173 in I/O subsystem 1170 receives signals from display 1140 and/or transmits signals to display 1140. After the display 1140 detects the user input, the display controller 1173 converts the detected user input into an interaction with the user interface object displayed on the display 1140, ie, implements human-computer interaction. Sensor controller 1172 can receive signals from one or more sensors 1150 and/or send signals to one or more sensors 1150.
  • the processor 1180 is a control center of the terminal 1100 that connects various portions of the entire mobile terminal using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 1120, and recalling data stored in the memory 1120.
  • the various functions and processing data of the terminal 1100 are executed to perform overall monitoring of the mobile terminal.
  • the processor 1180 may include one or more processors or processing modules; preferably, the processor 1180 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and For applications, etc., the modem processor primarily handles wireless communications.
  • the processor 1180 may further include an image processor GPU.
  • the GPU can be combined with a dedicated circuit board and accessory components to form a graphics card, or a single chip can be directly embedded in the motherboard, or built into the chip of the motherboard, or can be built into the CPU to form a system on chip (SoC),
  • SoC system on chip
  • the terminal 1100 also includes a power source 1190 (such as a battery) for powering various components.
  • a power source 1190 such as a battery
  • the power source can be logically coupled to the processor 1180 through a power management system to manage functions such as charging, discharging, and power consumption through the power management system.
  • the terminal 1100 may further include a camera, a Bluetooth module, a Wireless-Fidelity (Wi-Fi or WiFi) module, and the like, and details are not described herein.
  • a camera may further include a camera, a Bluetooth module, a Wireless-Fidelity (Wi-Fi or WiFi) module, and the like, and details are not described herein.
  • Wi-Fi or WiFi Wireless-Fidelity
  • the mobile terminal 8 is a general structural block diagram of a mobile terminal. It can be understood that different mobile terminals may include more or less structures in FIG.
  • the mobile terminal may further include a Bluetooth module, a WiFi module, an infrared module, and the like.
  • the processor 1180 includes one or more processors that can be used to invoke instruction execution in the memory:
  • the terminal can stop drawing the display data and reduce the drawing frequency, thus saving power consumption.
  • the scheme displays the image normally while reducing the power consumption of the terminal, and does not affect the user experience.
  • the first display data includes display data of a cursor picture
  • the second display data includes display data of a background image corresponding to a position of the cursor picture.
  • the processor 1180 includes one or more processors that are further operable to:
  • the third display data is the same as the first display data or the third display data is the same as the second display data, after acquiring the first layer data for processing, displaying according to the first figure The image generated by the layer data.
  • the third display data acquired above is different from the first display data or the second display data
  • the third display data of the application is mapped to generate third layer data
  • the third layer is The layer data is stored in the third buffer area
  • the one or more processors may also be used to detect a triggering event before the stopping of drawing the display data.
  • the trigger event is that the position of the cursor picture does not change.
  • the terminal can perform the foregoing methods in FIG. 3 to FIG. 7.
  • FIG. 3 to FIG. 7 For specific implementation details, refer to the related descriptions in FIG. 3 to FIG. 7 above, and details are not described herein again.
  • the features and technical effects in FIGS. 3 to 3 to 7 are applicable to the terminal 1100.
  • the terminal that implements the method for prompting a call may also refer to a processor or a processor plus necessary auxiliary circuits and auxiliary devices (for example, a display screen, A speaker set or a chipset composed of one chip or a plurality of chips.
  • a processor or a processor plus necessary auxiliary circuits and auxiliary devices for example, a display screen, A speaker set or a chipset composed of one chip or a plurality of chips.
  • the processor may be a central processing unit (“CPU"), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated processors. Integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or may be any conventional processor or the like.
  • the mobile terminal typically includes at least one processor (eg, a CPU), at least one transceiver, and at least one bus.
  • the processor is a control center of the electronic device, and connects various parts of the entire electronic device by using various interfaces and lines, by running or executing software programs and/or modules stored in the storage unit, and calling data stored in the storage unit, To perform various functions of the electronic device and/or process data.
  • the processor may be composed of an integrated circuit (IC), for example, may be composed of a single packaged IC, or may be composed of a plurality of packaged ICs that have the same function or different functions.
  • the processor may include only a central processing unit (CPU), or may be a GPU, a digital signal processor (DSP), and a control chip in the communication unit (for example, a baseband chip). )The combination.
  • the CPU may be a single operation core, and may also include multiple operation cores.
  • FIG. 8 and the above description are applicable to various mobile terminals provided by embodiments of the present invention.
  • a person skilled in the art may know that all or part of the above steps may be completed by hardware related to program instructions, and the program may be stored in a computer readable storage medium such as a ROM, a RAM, an optical disc, or the like. .

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Abstract

本发明实施例提出一种显示方法,包括对第一显示数据进行绘图生成第一图层数据,并存入第一缓存区;对第二显示数据进行绘图生成第二图层数据,并存入第二缓存区;停止对显示数据进行绘图;获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;获取所述第二缓存区的所述第二图层数据进行处理后,显示根据所述第二图层数据生成的图像。该方案可以减少终端对显示数据的绘图频率,降低功耗。在显示数据没有变化的情况下,该方案在降低终端功耗的同时,正常显示图像,不影响用户的体验。

Description

一种显示方法及终端 技术领域
本发明涉及显示***技术领域,尤其涉及一种显示方法及终端。
背景技术
目前的多种终端,例如计算机、手机、平板电脑、销售终端(Point of Sales,POS)或车载电脑等,均含有显示***,用于呈现用户界面(User Interface,UI),实现人机交互。
Android平台中,要实现光标的闪烁显示,需要Android***从上到下实现绘图、缓存、合成和显示的流程。显示***需要调用图形处理器(Graphics Processing Unit,GPU)交替地对包含光标和不包含光标的显示数据进行绘图,然后经帧缓存区(FrameBuffer)缓存、图层合成(Surface Flinger)等处理后显示到显示面板,来实现光标的闪烁显示。但是,如果用户在一段时间内并没有任何操作,显示内容也没有变化,而显示***仍然需要交替重复地对相同的显示数据进行上述处理,然后显示给用户,这种情况下,显示***的处理过程会给终端带来一定的资源和功率的浪费。尤其针对当前电池储备小、待机时间短的智能终端,节省电量消耗显得尤为重要。
发明内容
本发明实施例公开了一种显示方法及终端,以优化现有的显示***的处理过程,减少终端的显示功耗。
第一方面,本发明实施例提供了一种显示方法,包括:
对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存入第一缓存区;
对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存入第二缓存区,所述第二缓存区不同于所述第一缓存区;
停止对显示数据进行绘图;
获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;
获取所述第二缓存区的所述第二图层数据进行处理后,显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
该方案可以减少终端对显示数据的绘图频率,降低功耗。在显示数据没有变化的情况下,该方案在降低终端功耗的同时,正常显示图像,不影响用户的体验。
根据第一方面,在第一方面的第一种实现方式中,所述第一显示数据包括光标图片的显示数据,所述第二显示数据包括所述光标图片的位置对应的背景图片的显示数据。
终端的显示模块交替显示光标图片和光标位置的背景图片,以实现光标的正常闪烁显示。
根据第一方面或第一方面的第一种实现方式,在第一方面的第二种实现方式中,在所述停止对显示数据进行绘图之后,所述方法还包括:
获取第三显示数据;
若所述第三显示数据与所述第一显示数据相同或所述第三显示数据与所述第二显示数据相同,获取所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像。
若当前获取的显示数据与之前的显示数据相同,终端不必对当前获取的显示数据进行绘图,而通过获取之前绘图生成并存储的图层数据进行处理并显示。该过程简化了绘图流程,大大降低了绘图功率。
根据第一方面或第一方面的第一种实现方式,在第一方面的第三种实现方式中,在所述停止对显示数据进行绘图之后,所述方法还包括:
获取第三显示数据;
若所述第三显示数据不同于所述第一显示数据或第二显示数据,对所述应用的第三显示数据进行绘图生成第三图层数据,并将所述第三图层数据存入第三缓存区;
获取所述第三缓存区的所述第三图层数据进行处理后,显示根据所述第三图层数据生成的图像。
若当前获取的显示数据与之前的显示数据不同,终端重新启动对当前获取的显示数据的绘图,以保证终端的正常的界面显示,不影响用户体验。
根据第一方面至第一方面的第三种实现方式的任一种实现方式,在第一方面的第四种实现方式中,在所述停止对显示数据进行绘图之前,所述方法 还包括:
检测到触发事件。
终端在停止绘图前,可以先检测是否有停止绘图的触发事件,以保证停止绘图不会对终端的正常显示产生影响。
根据第一方面的第四种实现方式,在第一方面的第五种实现方式中,所述触发事件为所述光标图片的位置没有变化。
光标图片的位置没有变化,说明文本的显示内容基本也没有变化,因此可以通过光标图片的位置变化来判断显示数据是否发生变化,作为是否可以停止绘图的触发事件。
根据第一方面的第一种实现方式至第一方面的第五种实现方式中的任一种实现方式,在第一方面的第六种实现方式中,对所述第一显示数据进行绘图生成第一图层数据,包括:
获取所述光标图片的显示数据和所述光标图片的位置;
调用图像处理器GPU对所述光标图片的显示数据进行绘图生成第一图层数据,以将所述第一图层数据写入所述光标图片的位置对应的第一缓存区;
对所述应用的第二显示数据进行绘图生成第二图层数据,包括:
获取所述背景图片的显示数据和所述光标图片的位置;
调用图像处理器对所述背景图片的显示数据进行绘图生成第二图层数据,以将所述第二图层数据写入所述第二缓存区中所述光标图片的位置对应的数据区。
GPU可以对显示数据进行绘图,将显示数据中的各显示内容写入该内容对应的数据区。GPU交替地将光标图片的显示数据和背景图片的显示数据写入光标图片的位置对应的数据区,以实现光标的闪烁显示。
第二方面,本发明实施例一种具有显示功能的终端,包括:一个或多个处理器,存储器、显示屏以及总线,所述一个或多个处理器、所述存储器和所述显示屏通过所述总线通信;
所述存储器用于存储指令;
所述显示屏用于显示用户界面;
所述一个或多个处理器用于调用所述存储器中的指令执行:
对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存 入第一缓存区;
对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存入第二缓存区,所述第二缓存区不同于所述第一缓存区;
停止对显示数据进行绘图;
获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;
获取所述第二缓存区的所述第二图层数据进行处理后,显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
该终端能实现第一方面提供的方法,该终端可停止对显示数据的绘图,降低绘图频率,因此可以节省功耗。在显示数据没有变化的情况下,该方案在降低终端功耗的同时,正常显示图像,不影响用户的体验。
本发明实施例第二方面提供的终端,还可以实现本发明实施例第一方面的第一种实现方式至第七种实现方式中的任意一种实施方式。具体可参见上述本发明实施例第一方面的相关实施方式的内容,此处不再赘述。
第三方面,本发明实施例
一种具有显示***的终端,其特征在于,所述显示***包括:控制模块、绘图模块、合成模块、存储模块和显示模块;
所述控制模块,用于调用所述绘图模块进行绘图,控制所述合成模块对图层数据进行处理;
所述绘图模块,用于对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存入所述存储模块的第一缓存区;
所述绘图模块,还用于对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存入所述存储模块的第二缓存区,所述第二缓存区不同于所述第一缓存区;
所述存储模块包括第一缓存区和第二缓存区,所述第一缓存区用于存储第一图层数据,所述第二缓存区用于存储第二图层数据;
所述绘图模块,还用于根据所述控制模块的控制停止对显示数据进行绘图;
所述合成模块,用于根据所述控制模块的控制获取所述第一缓存区的所述第一图层数据进行处理;
所述显示模块,用于显示根据所述第一图层数据生成的图像;
所述合成模块,还用于根据所述控制模块的控制获取所述第二缓存区的所述第二图层数据进行处理;
所述显示模块,还用于显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
该终端的显示***可以停止对显示数据的绘图,降低绘图频率,因此可以节省功耗。在显示数据没有变化的情况下,该方案在降低终端功耗的同时,正常显示图像,不影响用户的体验。
本发明实施例第三方面提供的一种具有显示***的终端还可以实现本发明实施例第一方面的第一种实施方式至第七种实施方式中的任一种实施方式的内容,此处不再赘述。
第四方面,本发明实施例一种显示方法,包括:
获取光标图片的位置和光标图片的显示数据;
将所述光标图片的显示数据写入存储器中所述光标图片的位置对应的存储区,生成第一图层数据;
获取所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;
获取光标图片的位置和背景图片的显示数据;
将所述背景图片的显示数据写入存储器中所述光标图片的位置对应的存储区,生成第二图层数据;
获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第二图层数据生成的图像。
该方案中,终端可直接将光标图片的显示数据和背景图片的显示数据直接写入存储器中光标图片的位置对应的数据区,而不用调用处理器进行绘图。这可以减少终端对显示数据的绘图频率,降低功耗。在显示数据没有变化的情况下,该方案在降低终端功耗的同时,正常显示图像,不影响用户的体验。
根据第一方面,在第一方面的第一种实现方式中,在所述生成第一图层数据之前,所述方法还包括:
检测到触发事件。
终端在停止绘图前,可以先检测是否有停止绘图的触发事件,以保证停止绘图不会对终端的正常显示产生影响。
根据第一方面的第二种实现方式,在第一方面的第三种实现方式中,所述触发事件为所述光标图片的位置没有变化。
光标图片的位置没有变化,说明文本的显示内容基本也没有变化,因此可以通过光标图片的位置变化来判断显示数据是否发生变化,作为是否可以不绘图而直接将光标图片的显示数据直接写入存储器中对应存储区的触发事件。
本发明实施例还可以提供实现上述第四方面的显示方法的终端,此处不再一一例举。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对现有技术或实施例中所需要使用的附图作简单地介绍,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,还可以根据这些附图获得其他的附图。
图1是本发明实施例公开的一种终端的显示***的架构图;
图2是本发明实施例公开的一种终端的显示***的处理流程;
图3和图4是本发明实施例公开的一种显示***实现光标显示的绘图流程的简单示意图;
图5是本发明实施例公开的一种显示方法示意图;
图6是本发明实施例公开的又一种显示方法示意图;
图7是本发明实施例公开的又一种显示方法示意图;
图8是本发明实施例公开的一种终端的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚,下面结合附图对本发明具体实施例作进一步的详细描述。为了理解本发明,在以下详细描述中提到了众多具体细节。但是本领域技术人员应该理解,本发明可以无需这些具体细节实现。在其他实例中,不详细描述公知的方法、过程、组件和电路等,以免造成实施例不必要地模糊。显然,以下所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的 所有其他实施例,都属于本发明保护的范围。
本发明实施例中使用的术语是为了更好地描述特定的实施例,而并不限定本发明。在本发明实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。本发明的说明书和权利要求书及所述附图中的术语“第一”、“第二”和“第三”等是用于区别不同对象,而不是用于描述特定顺序。还应当理解,本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。进一步应当理解,本文中采用的术语“包括”规定了所述的特征、整体、步骤、操作、元件和/或部件的存在,而不排除一个或多个其他特征、整体、步骤、操作、元件、部件和/或它们的组的存在或附加。
本发明涉及的“终端”,为含有显示***,可以实现人机交互功能的设备,该终端可以为计算机、手机、平板电脑、销售终端(Point of Sales,POS)或车载电脑等,在本本发明实施例中,以手机为例进行说明。
显示***,可内置于终端中,用于呈现用户界面(User Interface,UI),实现人机交互,可以对图像进行处理,并显示于显示***中的显示面板,其中,该显示面板可以采用液晶显示器(Liquid Crystal Display,LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置。
图层,由许多像素组成,是构成图像的基本单元。一帧图像可以是一个图层,也可以为多个图层通过上下叠加的方式组成。图层就像是含有文字或图形等元素的胶片,一张张按顺序叠放在一起,组合起来形成图像的最终效果。
在本发明实施例中,图层数据是指终端对待显示数据进行绘图后生成的数据,例如,经GPU绘图后生成的缓存至存储器中,可经后续进行图层合成处理的数据。
参见图1,图1示出了本发明实施例的终端适用的显示***的架构图。该显示***100可包括控制模块101、绘图模块102、合成模块103、存储模块104、显示模块105,以及时钟模块107。
具体的,控制模块101可以向显示***100中的绘图模块102、合成模块103以及显示模块105发送控制信号,实现对上述模块的控制,使绘图模块102、合成模块103以及显示模块105根据控制信号处理图像数据。
绘图模块102在接收到所述控制模块101的绘图控制信号后,获取所述 终端需要显示的一个或多个应用(如图中应用1至应用n)的待显示数据,并根据获取的多个待显示数据进行绘图处理,生成多个图层数据,并将生成的多个图层数据发送至所述存储模块104。
合成模块103在接收到所述控制模块101的合成控制信号后,从所述存储模块104中获取所述多个图层数据,进行图层合成,生成一帧最终的图像,并将生成的图像发送至所述存储模块104,其中,所述合成模块103在进行图层合成中,还可包括硬件合成(Hardware Compose,HWC)过程。
存储模块104,通常为缓存器,存储所述绘图模块102生成的多个图层的图层数据,以及存储所述合成模块103生成的图像。在本发明实施例中,该存储模块104可以是指终端存储空间的一部分,如可以是专门用来存储终端的屏幕显示信息的帧缓存区FrameBuffer。
显示模块105,包括显示面板106。显示模块105在接收到所述控制模块101的显示控制信号后,获取所述存储模块104中的所述图像,并将所述图像推送至所述显示面板106进行显示。
显示模块时钟模块107,用于设定时钟和/或统计时间。该时钟模块107每隔设定时长,向所述控制模块101发送时钟信号,通知所述控制模块101触发控制信号,控制绘图模块102、合成模块103以及显示模块105,执行对应的流程。
因此,现有的,通过如图1所示的显示***100,可实现显示图像的处理流程。
图2是终端的显示***的处理流程图,该显示图像的处理流程可包括:
绘图流程202:也可称为应用绘图流程;获取需要显示的一个或多个应用的待显示数据,对所述待显示数据进行绘图处理,生成一个或多个图层的图层数据;
可选的,绘图流程可包括基于软件的绘图模式和/或硬件加速绘图模式。在基于软件的绘图模式下,由CPU主导绘图。在硬件加速绘图模式下,由图形处理器(Graphics Processing Unit,GPU)主导绘图。在本发明实施例中,GPU可单独与专用电路板以及附属组件组成显卡,或单独一片芯片直接内嵌入到主板上,或者内置于主板的芯片中,也可内置于CPU上组成***芯片(System on Chip,SoC),对此本发明不作具体限定。
缓存流程204:在存储模块中缓存绘图流程中生成的已进行绘图的图层 数据;例如,硬件加速绘图模式中,该缓存流程中的存储模块可存储GPU绘图生成的图层数据。
合成流程206:也可称为图层合成流程;显示***可调用Android***的Surface Flinger服务对绘图流程202中生成的多个图层的图层数据进行合成处理,生成一帧待显示的图像;Surface Flinger服务是Android***的***级服务(Service);可选的,该合成流程还可包括HWC处理等。
显示流程208:将上述合成流程206生成的所述待显示的图像进行器件显示处理,将所述待显示的图像推送至显示面板进行显示。
具有图1所示的显示***的终端依据图2所示的图像处理流程的相关处理可实现用户界面的显示,实现人机交互。显示在用户界面的对象可包括图片、文字、视频等,本发明不作具体限定。
本发明实施例以文本输入框的显示为例进行说明。文本编辑是具有显示***的终端的基本功能。当用户在一个文本输入框或某种程序中输入文字时,总有一个光标来显示你将要输入文字的位置。现在大部分的光标都为一个小竖线,间隔预定时间地有规则地闪动。而在一些特定的***或程序中,有些光标是短短的小横线,但也会周期性地有规则地闪动。当然,某些光标也可以是一些特定的图像,甚至可以在不同情况下有不同的呈现状态,如windows***的某些光标。
在Android***中,显示***通过线程来实现上述光标的闪烁显示。例如,显示***可以每隔500ms交替地将光标图片和对应光标位置的背景图片与其他的显示数据一起送入GPU进行绘图,并将GPU绘图生成的图层数据缓存到存储模块,例如FrameBuffer,然后经过调用Android***的Surface Flinger服务进行处理的合成流程和器件显示流程进行显示,实现光标的闪烁效果。
可以理解的是,本发明实施例提供的方案虽然是以文本输入框中光标的闪烁显示为例进行说明的,但本发明的方案适用于所有类似于光标闪烁的具有重复闪烁对象的应用或状态栏,并不仅限于实现光标的闪烁显示。具体的,类似于光标闪烁的具有重复闪烁对象的应用或状态栏可包括通知栏中的即时通知消息,如通知栏的QQ通知消息,在QQ接收到新消息且处于未读状态时,在通知栏界面会有一通知消息的图片一直闪烁显示,以提醒用户有未读消息;也可包括显示界面具有重复闪烁的标识的应用;等等,本发明对重复闪烁显示的对象不作具体限定。
图3和图4为终端的显示***实现光标显示的绘图流程的简单示意图。该绘图流程由显示***的控制模块控制绘图模块来实现,并由控制模块控制将生成的图层数据缓存至存储模块,例如FrameBuffer。
图3为绘制包含光标图片的显示数据的绘图流程。
S402a,在第一绘图时序,获取光标位置和光标数据。
可以理解的是,第一绘图时序为绘图模块接收到控制模块的绘图控制信号后进行绘图处理的时间。
显示***的控制模块可以根据应用的用户界面的屏幕显示信息获取到光标图片的位置。例如,显示***可以通过Android***的线程来获取光标图片的显示数据以及光标位置,具体的,如获取光标位置的方法可参见Android4.0***的实现。获取光标的位置的方式可以有多种,对此本发明不作限定。假定,显示***获取到光标图片当前的位置,即光标位置,为A(Xa,Ya)。
可选的,光标数据,即光标图片的显示数据,可以是由一组二维矩阵组成,例如可以是16×16或32×32的二维矩阵。光标数据可以包括光标的大小、形状、颜色等信息中的一种或多种信息。当显示***中已存储各类光标的显示数据时,光标数据也可以是指示相应光标的存储位置或其他标识能指示获取到相应光标的数据。光标数据对应光标的屏幕显示信息,对于光标数据的具体内容,本发明实施例不作具体限定。
S404a,将获取的光标位置和光标数据送入GPU进行绘图。
显示***的控制模块控制将光标数据和其他待显示数据送入GPU进行绘图。其他待显示数据是该应用的其他显示内容,具体的,如光标图片周边的文字内容。
S406a,GPU将光标数据写入对应光标位置的数据区,以实现含有光标图片的绘图。
GPU将所有待显示数据根据各待显示数据的位置写入对应的数据区。根据获取的光标位置,如位置A,GPU将光标数据写入位置A对应的数据区。
S408a,将GPU绘图生成的第一图层数据缓存至存储模块,以便于显示***实现后续的合成、显示流程。
在GPU完成绘图后,显示***的控制模块可控制将GPU绘图生成的包含光标的第一图层数据存储至存储模块。
显示***执行合成流程时,可从存储模块中获取第一图层数据进行合成处理生成待显示图像。显示***的显示流程可将该待显示图像推送至显示面板进行显示。可以理解的是,显示流程将待显示图像推送至显示面板进行显示前,可进行其他处理,如将待显示图像与显示面板的特性进行匹配等,对此本发明不作限定。其他关于合成流程和显示流程的内容可参见图1和图2中的相关描述,此处不再赘述。
图4为绘制不包含光标图片的显示数据的绘图流程。
S402b,在第二绘图时序,获取光标位置和对应光标位置的无光标时的背景图片的显示数据。
可以理解的是,第二绘图时序也为绘图模块接收到控制模块的绘图控制信号后进行绘图处理的时间。第二绘图时序不同于第一绘图时序。第一绘图时序和第二绘图时序只是用来标识不同的绘图流程,并不具有其他限定。
获取光标的位置的方法可参见上述S402a的描述,此处不再赘述。与S402a不同的是,此处获取的不是光标数据,而是不显示光标图片时,对应光标位置的背景图片的显示数据,以下可简称背景数据或背景图片数据。该背景数据与光标位置的相邻区域的背景数据相匹配。
S404b,将光标位置和该无光标时的背景图数据输入GPU进行绘图。
显示***的控制模块控制将背景图片数据和应用的其他显示数据送入GPU进行绘图。
S406b,GPU将背景图片数据写入对应光标位置A的数据区,以实现不含光标图片的绘图。
GPU将所有待显示数据写入对应位置的数据区。根据获取的光标位置,如位置A,GPU将背景图片数据写入位置A对应的数据区。可以理解的是,GPU可对所有的数据进行重新绘图,也可只对显示数据有变化的位置进行重新绘图,本发明实施例不作具体限定。
S408b,将GPU绘图生成的第二图层数据缓存至存储模块,以便于显示***实现后续的合成、显示流程。
在GPU完成绘图后,显示***的控制模块可控制将GPU绘图生成的不包含光标的第二图层数据存储至存储模块。
显示***执行合成流程时,可从存储模块中获取第二图层数据进行合成处理生成待显示图像。显示***的显示流程可将该待显示图像推送至显示面 板进行显示。该步骤的处理与S408a类似,可参见S408a的描述,此处不再赘述。
通常情况下,当一个绘图流程执行完后,显示***可直接或间隔相应时间段控制绘图模块执行下一个绘图流程。可选的,显示***的图像处理流程可并行处理,如第一个图像处理流程中的合成流程和第二个图像处理流程中的绘图流程可同时处理;显示***的图像处理流程也可串行处理,即显示***执行完第一个图像处理流程的整个流程后再执行第二个图像处理流程。本发明实施例对显示***的图像处理流程的不同处理流程间的串并行处理方式不作具体限定。
终端的显示***在第一绘图时序时,通过GPU绘图将光标的数据写入光标的位置A对应的数据区;在下一个绘图时序时,若光标的位置没有变化,那么终端的显示***将没有光标时的对应光标位置的背景图片数据写入对应位置A的数据区,以实现不含有光标图片的绘图。可以理解的是,实现绘图流程可能需要终端的其他结构或电路的参与、可能包含更多的控制信令、更多的步骤等,此处不作详细描述。
根据上述对显示***和图像显示的处理流程的描述可知,现有的显示***要实现光标闪烁显示,每一次显示都需要调用绘图流程对各应用的显示数据进行绘图,例如:现有的硬件加速绘图模式,显示***每次都需要调用GPU进行绘图。通常,各应用的显示数据并不是时刻都在变化。若一段时间内,需绘图的待显示数据没有变化,在每一个绘图时序中,都需要调用GPU对相同的待显示数据进行重复绘图,这一定程度上造成了资源的浪费,且增加终端显示***的功耗。
图5所示为本发明实施例提供一种显示方法。图5是在图3和图4基础上提供的一种显示方法,以优化现有的显示方法,降低显示功耗。图5所示的方法中与图4相同或相似的步骤可参见图4的相关描述。
S502,获取光标位置和光标数据;
该光标位置可以是当前获取的光标位置,也可以是之前已获取并记录的光标位置。关于光标位置和光标数据的获取方法,此处不再赘述。
S504,将光标数据写入存储器中对应光标位置的数据区;
在执行步骤S502之前的绘图时序对应的绘图流程中,GPU已将待显示数据进行绘图,并缓存至存储器的相应的数据区。在此步骤S504中,显示*** 不调用GPU对应用的待显示数据进行绘图,而是通过显示***的控制,直接将光标数据写入存储器中对应位置的数据区。例如,显示***可以通过Android***的Binder机制将光标图片对应的光标数据,不经GPU绘图,写入光标位置对应的数据区。
可以理解的是,在本发明实施例中,将光标数据直接写入存储器中对应光标位置的数据区,是指光标数据存储到存储器不需要进行绘图,如调用GPU对光标和相关联的显示数据进行绘图,并不是指不需要进行其他的信令控制和处理。
S506,获取存储器中存储的第一图层数据进行Surface Flinger合成、显示;
该过程可参见图1和图2对应的实施例的相关描述,此处不再赘述。
S508,获取光标位置和对应光标位置的背景图片数据;
S510,将背景图片数据写入存储器中对应光标位置的数据区。
与步骤S504类似,该步骤中显示***也不调用GPU对应用的待显示数据进行绘图,而是通过显示***的控制,直接将背景图片数据写入存储器中对应位置的数据区。
S512,显示***获取存储器中存储的第二图层数据进行Surface Flinger合成、显示。
本发明实施例的方案可以通过将包含光标图片的待显示数据直接写入存储器,如FrameBuffer,来实现显示处理过程的绘图流程和缓存流程。该显示方法中,显示***需要依次将光标图片的显示数据或背景图片数据传输到FrameBuffer,虽然频繁的图片显示数据的传输会给***带来一定的负担,但该方法不需要每次都调用GPU绘图,降低了GPU绘图的频率,从而节省了***资源,并降低了终端的显示***的功耗。
上述方案适用于存储器中存储的显示数据不需要进行压缩编码的终端。若经绘图流程处理的图层数据缓存至存储器时不需要进行压缩编码,显示***可直接将光标的数据写入存储器中对应光标位置的数据区。若将绘图流程处理的图层数据缓存至存储器之前,需要将图层数据按预设格式进行压缩编码,比如使用ARM的帧缓存压缩(Arm Frame Buffer Compression,AFBC)算法,则显示***需将存储器中光标的位置相关联的数据先进行解码,然后写入光标的数据后,再将该区块的数据进行编码后存入相应的缓存区。在存储器中存储的显示数据需要进行压缩编码的情况下,可能需要额外分配内存 来保存相应区块解码后的数据,这可能会造成一定额外空间的占用和一定的性能损失。
图6是本发明实施例提供的另一种显示方法。该显示方法在图4所描述的显示方法上进行了进一步优化,在用户无操作、除光标位置外的显示数据无变化的情况下,无需绘图流程即可实现正常的显示。该显示方法无需终端每次都将光标图片的数据或背景图片的显示数据传输到存储器FrameBuffer,这样,可以减少频繁的图片显示数据的传输给***带来的负担,也无需考虑数据的存储是否需要压缩编码。
如图6所示,该显示方法包括:
S604,终端对第一显示数据进行绘图,存入第一缓存区;
终端的显示界面可以包含具有文本输入框的应用。终端可以调用GPU对第一显示数据进行绘图。例如,第一显示数据可以为包含光标图片的显示数据。终端将绘图的第一显示数据存入第一缓存区。第一缓存区可以是专门用来存储显示数据的存储区,例如FrameBuffer。
可以理解的是,该第一显示数据可以是某一应用的显示界面的显示数据,也可以是指某一应用的某一窗口的显示数据,还可以是指光标图片的显示数据或光标图片位置对应的背景图片的显示数据,等。或者,该第一显示数据可以是多个图层的显示数据,也可以是一个图层的显示数据。
S606,终端对第二显示数据进行绘图,存入第二缓存区,该第二缓存区不同于第一缓存区;
终端可以调用GPU对应用的第二显示数据进行绘图。可选的,第二显示数据可以为包含对应光标位置的背景图片的显示数据,即不包含光标的显示数据。终端将绘图生成的第二图层数据存入第二缓存区。第二缓存区也可以是专门用来存储显示数据的存储区,例如FrameBuffer。可以理解的是,第一缓存区与第二缓存区只是存储地址的不同。第一缓存区与第二缓存区也可以用不同的标号来标识。第一缓存区与第二缓存区可以是地址连续的缓存区,也可以是地址不连续的缓存区。
S608,当检测到触发事件时,终端停止对显示数据进行绘图;
可选的,对于具有文本输入框的显示数据,终端可通过检测光标位置是否变化,来确定是否停止对显示数据进行绘图。具体的,终端获取第三显示数据,在GPU绘图前,若终端检测到当前获取的第三显示数据包括的光标 位置与第一显示数据和第二显示数据包括的光标位置相同,终端的显示***则停止对当前的第三显示数据的绘图。
可选的,终端也可通过监测用户的操作是否满足预设条件,来确定是否停止对显示数据进行绘图。例如,用户每次结束操作即可触发计时器。当用户对该终端无操作的时间超过预定时长时,即计时器的时间超过预定时长时,终端的显示***停止调用GPU对显示数据进行绘图。
在一种可选的实施方式中,终端也可检测除光标位置外的显示数据。当终端检测到对除光标位置外的第三显示数据与第一或第二显示数据相同,可触发终端停止对该应用的显示数据进行绘图。或者,对相同的显示数据进行绘图的总时长超过预定时长时,触发终端停止对该应用的显示数据进行绘图。
在另一种可选的方式中,终端检测到对除光标位置外的相同的显示数据进行绘图的次数超过预设次数时,即可触发终端停止对该应用的显示数据进行绘图。
终端停止对该应用的显示数据的绘图时,第一缓存区存储了该应用已绘图好的含有光标的图层数据,第二存储区存储了该应用的已绘图好的不含有光标而含有光标对应位置的背景图片的显示数据的图层数据。
S610,终端获取第一缓存区的第一图层数据进行合成处理后进行显示;
终端获取第一缓存区的数据送入图层合成模块进行合成后,将根据第一图层数据生成的图像显示至显示面板。可以理解的是,终端图层合成模块对显示数据进行合成后,可能还需要进行其他处理,本申请的方案对该内容不进行具体说明。
S612,终端获取第二缓存区的第二图层数据进行合成处理后进行显示。
终端获取第二缓存区的数据送入图层合成模块进行合成后,将根据第二图层数据生成的图像显示至显示面板。可以理解的是,终端图层合成模块对显示数据进行合成后,可能还需要进行其他处理,本申请的方案对该内容不进行具体说明。
S614,终端判断显示数据是否发生变化,若是,终端执行步骤S616;若否,终端执行步骤S610和S612;
终端判断显示数据是否发生变化可以是在终端获取第二缓存区的第二图层数据进行处理之后,即在步骤S612之后,也可以是在获取第一缓存区 的第一图层数据进行处理之后,即在步骤S610之后;还可以是在终端停止对显示数据进行绘图之后,即S608之后;等。终端对显示数据是否发生变化的判断是在每个绘图时序开始时,由于绘图流程与合成流程或显示流程可以并行处理,所以其与其他步骤的关系可以有多种,具体根据终端的绘图流程的处理方式而定,本发明实施例不做具体限定。
S616,当显示数据发生变化时,终端对第三显示数据进行绘图,存入第三缓存区,以便于终端将第三图层数据进行合成处理后显示给用户。
当显示数据发生变化时,终端重新启动对第三显示数据的绘图处理。第三显示数据不同于第一显示数据和第二显示数据。显示数据发生变化,可以是指光标的位置、形状、大小等的一种或多种发生变化,也可以是指光标所在的显示界面的其他显示数据发生了变化,例如:可以是光标相邻位置的文字的添加、删减,或者是文字的字体、显示间隔发生变化等,对此本发明实施例不作具体限定。通常情况下,上述显示数据发生变化,光标的位置会发生变化。因此,可选的,终端可以通过检测光标位置是否变化来判断显示数据是否发生变化。
可以理解的是,第三缓存区可以是与第一缓存区或第二缓存区相同的缓存区,此时,终端对应用的第三显示数据进行绘图后生成的第三图层数据将替换掉存储器中的第一图层数据或第二图层数据;第三缓存区也可以是与第一缓存区或第二缓存区不同的缓存区,即第三图层数据的存储独立于第一图层数据或第二图层数据。
若在下一个应用绘图时序,显示数据为第四显示数据,该第四显示数据与第三显示数据的区别只在于光标的位置对应的显示数据是光标图片的显示数据还是背景图片的显示数据,那么此时终端对第四显示数据进行绘图,存入第四缓存区,以便于终端将第三图层数据进行合成处理后显示给用户,实现光标的闪烁显示,其中,该第四缓存区不同于第三缓存区。
当显示数据发生变化后,终端继续监测用户的操作,当S608中触发终端停止对显示数据进行绘图的条件满足时,再次执行上述S608至S614的相关操作,直到应用的显示数据再次发生变化。
可以理解的是,终端在检测到触发事件时,可以直接停止对该显示数据进行绘图。此时,终端已执行上述S604、S606,将第一图层数据和第二图层数据存入缓存区。终端也可以是在判断预设条件满足后,执行S604和 S606,对包含光标图片的显示数据和包含背景图片的显示数据的显示数据进行绘制,分别存入第一缓存区和第二缓存区,然后再停止对显示数据的绘图,如图7所示。
图7是在图6基础上提供的本发明实施例的另一种显示方法。与图6相同或相似的步骤可参见图6的相关描述,此处不再赘述。
S702,如果检测到触发事件,终端对第一显示数据进行绘图生成第一图层数据,存入第一缓存区;
该步骤中检测到触发事件的相关内容可参见S608中的描述,此处不再赘述。
S704,终端对第二显示数据进行绘图生成第二图层数据,存入第二缓存区;第二缓存区不同于第一缓存区;
S706,终端停止对显示数据进行绘图;
若该显示数据是某一应用的显示数据。在终端将第一图层数据和第二图层数据分别存入第一缓存区和第二缓存区后,终端停止对该应用的显示数据的绘图。也即,终端停止对该应用的显示数据的绘图时,第一缓存区存储了该应用已绘图好的含有光标的图层数据,第二存储区存储了该应用的已绘图好的不含有光标而含有光标对应位置的背景图片的显示数据的图层数据。
可选的,GPU绘图后的图层数据可以在FrameBuffer中按区块存取。终端对获取图层数据进行合成显示时,也可以只获取光标位置的数据进行相应的合成处理,替换掉之前合成处理好的相应位置的数据,而不需要对该应用的所有图层数据进行合成。
参见图8,本发明还提供了一种实现本发明实施例提供的方法的终端1100,用以执行上述图2至图7的显示***的处理流程和显示方法。
图8示出了与本发明实施例相关的终端1100的部分结构的框图。参考图8,终端1100包括RF(Radio Frequency,射频)电路1110、存储器1120、其他输入设备1130、显示屏1140、传感器1150、音频电路1160、I/O子***1170、处理器1180、以及电源1190等部件。本领域技术人员可以理解,图8中示出的移动终端结构并不构成对移动终端的限定,可以包括比图示更多或更少的部件,或者组合某些部件,或者拆分某些部件,或者不同的部件布置。
下面结合图8对终端1100的各个构成部件进行具体的介绍:
RF电路1110可用于收发信息或通话过程中,信号的接收和发送,特别地, 将基站的下行信息接收后,给处理器1180处理;另外,将设计上行的数据发送给基站。通常,RF电路1110包括但不限于天线、至少一个放大器、收发信机、耦合器、LNA(Low Noise Amplifier,低噪声放大器)、双工器等。此外,RF电路1110还可以通过无线通信与网络和其他设备通信。
存储器1120可用于存储软件程序以及模块,处理器1180通过运行存储在存储器1120的软件程序以及模块,从而执行终端1100的各种功能应用以及数据处理。存储器1120可主要包括存储程序区和存储数据区,其中,存储程序区可存储操作***、至少一个功能所需的应用程序(比如声音播放功能、图象播放功能等)等;存储数据区可存储根据终端1100的使用所创建的数据(比如音频数据、电话本等)等。此外,存储器1120可以包括高速随机存取存储器,还可以包括非易失性存储器,例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
其他输入设备1130可用于接收输入的数字或字符信息,以及产生与终端1100的用户设置以及功能控制有关的键信号输入。具体地,其他输入设备1130可包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆、光鼠(光鼠是不显示可视输出的触摸敏感表面,或者是由触摸屏形成的触摸敏感表面的延伸)等中的一种或多种。其他输入设备1130与I/O子***1170的其他输入设备控制器571相连接,在其他设备输入控制器1171的控制下与处理器1180进行信号交互。
显示屏1140可用于显示由用户输入的信息或提供给用户的信息以及终端1100的各种菜单,还可以接受用户输入。具体的显示屏1140可包括显示面板1141,以及触控面板1142。其中显示面板1141可以采用LCD(Liquid Crystal Display,液晶显示器)、OLED(Organic Light-Emitting Diode,有机发光二极管)等形式来配置显示面板1141。触控面板1142,也称为触摸屏、触敏屏等,可收集用户在其上或附近的接触或者非接触操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板1142上或在触控面板1142附近的操作,也可以包括体感操作;该操作包括单点控制操作、多点控制操作等操作类型。),并根据预先设定的程式驱动相应的连接装置。可选的,触控面板1142可包括触摸检测装置和触摸控制器两个部分。其中,触摸检测装置检测用户的触摸方位、姿势,并检测触摸操作带来的信号,将信号传送给触摸控制器;触摸控制器从触摸检测装置上接收触摸信息,并将它转换成处理器能够处理的信 息,再送给处理器1180,并能接收处理器1180发来的命令并加以执行。此外,可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板1142,也可以采用未来发展的任何技术实现触控面板1142。进一步的,触控面板1142可覆盖显示面板1141,用户可以根据显示面板1141显示的内容(该显示内容包括但不限于,软键盘、虚拟鼠标、虚拟按键、图标等等),在显示面板1141上覆盖的触控面板1142上或者附近进行操作,触控面板1142检测到在其上或附近的操作后,通过I/O子***1170传送给处理器1180以确定用户输入,随后处理器1180根据用户输入通过I/O子***1170在显示面板1141上提供相应的视觉输出。虽然在图8中,触控面板1142与显示面板1141是作为两个独立的部件来实现终端1100的输入和输入功能,但是在某些实施例中,可以将触控面板1142与显示面板1141集成而实现终端1100的输入和输出功能。
终端1100还可包括至少一种传感器1150,比如光传感器、运动传感器以及其他传感器。具体地,光传感器可包括环境光传感器及接近传感器,其中,环境光传感器可根据环境光线的明暗来调节显示面板1141的亮度,接近传感器可在终端1100移动到耳边时,关闭显示面板1141和/或背光。作为运动传感器的一种,加速计传感器可检测各个方向上(一般为三轴)加速度的大小,静止时可检测出重力的大小及方向,可用于识别移动终端姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等;至于终端1100还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器,在此不再赘述。
音频电路1160、扬声器1161扬声器1161,麦克风1162可提供用户与终端1100之间的音频接口。音频电路1160可将接收到的音频数据转换后的信号,传输到扬声器1161扬声器1161,由扬声器1161扬声器1161转换为声音信号输出;另一方面,麦克风1162将收集的声音信号转换为信号,由音频电路1160接收后转换为音频数据,再将音频数据输出至RF电路108以发送给比如另一移动终端,或者将音频数据输出至存储器1120以便进一步处理。
I/O子***1170用来控制输入输出的外部设备,可以包括其他设备输入控制器1171、传感器控制器1172、显示控制器1173。可选的,一个或多个其他设备输入控制器1171从其他输入设备1130接收信号和/或者向其他输入设备1130发送信号,其他输入设备1130可以包括物理按钮(按压按钮、摇臂按钮等)、拨号盘、滑动开关、操纵杆、点击滚轮、光鼠(光鼠是不显示 可视输出的触摸敏感表面,或者是由触摸屏形成的触摸敏感表面的延伸)。值得说明的是,其他输入设备控制器1171可以与任一个或者多个上述设备连接。所述I/O子***1170中的显示控制器1173从显示屏1140接收信号和/或者向显示屏1140发送信号。显示屏1140检测到用户输入后,显示控制器1173将检测到的用户输入转换为与显示在显示屏1140上的用户界面对象的交互,即实现人机交互。传感器控制器1172可以从一个或者多个传感器1150接收信号和/或者向一个或者多个传感器1150发送信号。
处理器1180是终端1100的控制中心,利用各种接口和线路连接整个移动终端的各个部分,通过运行或执行存储在存储器1120内的软件程序和/或模块,以及调用存储在存储器1120内的数据,执行终端1100的各种功能和处理数据,从而对移动终端进行整体监控。可选的,处理器1180可包括一个或多个处理器或处理模块;优选的,处理器1180可集成应用处理器和调制解调处理器,其中,应用处理器主要处理操作***、用户界面和应用程序等,调制解调处理器主要处理无线通信。在本发明实施例中,上述处理器1180还可包括图像处理器GPU。GPU可单独与专用电路板以及附属组件组成显卡,或单独一片芯片直接内嵌入到主板上,或者内置于主板的芯片中,也可内置于CPU上组成***芯片(System on Chip,SoC),对此本发明不作具体限定。
终端1100还包括给各个部件供电的电源1190(比如电池),优选的,电源可以通过电源管理***与处理器1180逻辑相连,从而通过电源管理***实现管理充电、放电、以及功耗等功能。
尽管未示出,终端1100还可以包括摄像头、蓝牙模块、无线保真(Wireless-Fidelity,Wi-Fi or WiFi)模块等,在此不再赘述。
图8是移动终端的通用结构框图,可以理解的是,不同的移动终端可以包括图8中更多或更少的结构。如,移动终端还可包括蓝牙模块、WiFi模块、红外模块等结构。
具体的,处理器1180包括的一个或多个处理器,可用于调用所述存储器中的指令执行:
对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存入第一缓存区;
对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存 入第二缓存区,所述第二缓存区不同于所述第一缓存区;
停止对显示数据进行绘图;
获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;
获取所述第二缓存区的所述第二图层数据进行处理后,显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
该终端可停止对显示数据的绘图,降低绘图频率,因此可以节省功耗。在显示数据没有变化的情况下,该方案在降低终端功耗的同时,正常显示图像,不影响用户的体验。
该第一显示数据包括光标图片的显示数据,该第二显示数据包括所述光标图片的位置对应的背景图片的显示数据。
在所述停止对显示数据进行绘图之后,处理器1180包括的一个或多个处理器还可用于:
获取第三显示数据;
若所述第三显示数据与所述第一显示数据相同或所述第三显示数据与所述第二显示数据相同,获取所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像。
可选的,若上述获取的第三显示数据不同于所述第一显示数据或第二显示数据,对所述应用的第三显示数据进行绘图生成第三图层数据,并将所述第三图层数据存入第三缓存区;
获取所述第三缓存区的所述第三图层数据进行处理后,显示根据所述第三图层数据生成的图像。
在所述停止对显示数据进行绘图之前,所述一个或多个处理器还可用于检测触发事件。可选的,该触发事件为所述光标图片的位置没有变化。
所述一个或多个处理器对所述第一显示数据和第二显示数据进行绘图的具体可参见图3、图4的描述。
该终端可执行上述图3至图7所述的方法,具体实现细节可参考上述图3至图7中的相关描述,此处不再一一赘述。图3至3至图7中特征和技术效果均适用于该终端1100。
需要说明的是,实现本发明实施例的提示呼叫的方法的终端也可以是指一个处理器或一个处理器加上必要的辅助电路及辅助器件(例如,显示屏、 扬声器)或一个芯片或多个芯片构成的芯片组等。
应理解,在本发明实施例中,该处理器可以是中央处理单元(Central Processing Unit,简称为“CPU”),该处理器还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者也可以是任何常规的处理器等。
应当理解,在本说明书的所有实施例中,如图8所示,所述移动终端一般包括至少一个处理器(例如CPU)、至少一个收发器、和至少一个总线。处理器为电子设备的控制中心,利用各种接口和线路连接整个电子设备的各个部分,通过运行或执行存储在存储单元内的软件程序和/或模块,以及调用存储在存储单元内的数据,以执行电子设备的各种功能和/或处理数据。所述处理器可以由集成电路(Integrated Circuit,简称IC)组成,例如可以由单颗封装的IC所组成,也可以由连接多颗相同功能或不同功能的封装IC而组成。举例来说,处理器可以仅包括中央处理器(Central Processing Unit,简称CPU),也可以是GPU、数字信号处理器(Digital Signal Processor,简称DSP)、及通信单元中的控制芯片(例如基带芯片)的组合。在本发明实施方式中,CPU可以是单运算核心,也可以包括多运算核心。
图8所示的硬件结构以及上述描述适用于本发明实施例所提供的各种移动终端。本领域普通技术人员可知,上述方法中的全部或部分步骤可以通过程序指令相关的硬件完成,该程序可以存储于一计算机可读存储介质中,该计算机可读存储介质如ROM、RAM和光盘等。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本发明的范围。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应所述以权利要求的保护范围为准。

Claims (21)

  1. 一种显示方法,其特征在于,包括:
    对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存入第一缓存区;
    对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存入第二缓存区,所述第二缓存区不同于所述第一缓存区;
    停止对显示数据进行绘图;
    获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;
    获取所述第二缓存区的所述第二图层数据进行处理后,显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
  2. 根据权利要求1所述的方法,其特征在于,所述第一显示数据包括光标图片的显示数据,所述第二显示数据包括所述光标图片的位置对应的背景图片的显示数据。
  3. 根据权利要求1或2所述的方法,其特征在于,所述方法还包括:
    获取第三显示数据;
    若所述第三显示数据与所述第一显示数据相同或所述第三显示数据与所述第二显示数据相同,获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像。
  4. 根据权利要求1或2所述的方法,其特征在于,所述方法还包括:
    获取第三显示数据;
    若所述第三显示数据不同于所述第一显示数据或第二显示数据,对所述应用的第三显示数据进行绘图生成第三图层数据,并将所述第三图层数据存入第三缓存区;
    获取所述第三缓存区的所述第三图层数据进行处理后,显示根据所述第三图层数据生成的图像。
  5. 根据权利要求1至4任一项所述的方法,其特征在于,在所述停止对显示数据进行绘图之前,所述方法还包括:
    检测到触发事件。
  6. 根据权利要求5所述的方法,其特征在于,所述触发事件为所述光标图片的位置没有变化。
  7. 根据权利要求2至6任一项所述的方法,其特征在于,对所述第一显示数据进行绘图生成第一图层数据,包括:
    获取所述光标图片的显示数据和所述光标图片的位置;
    调用图像处理器GPU对所述光标图片的显示数据进行绘图生成第一图层数据,以将所述第一图层数据写入所述光标图片的位置对应的第一缓存区;
    对所述应用的第二显示数据进行绘图生成第二图层数据,包括:
    获取所述背景图片的显示数据和所述光标图片的位置;
    调用图像处理器对所述背景图片的显示数据进行绘图生成第二图层数据,以将所述第二图层数据写入所述第二缓存区中所述光标图片的位置对应的数据区。
  8. 一种具有显示功能的终端,其特征在于,包括:一个或多个处理器,存储器、显示屏以及总线,所述一个或多个处理器、所述存储器和所述显示屏通过所述总线通信;
    所述存储器用于存储指令;
    所述显示屏用于显示用户界面;
    所述一个或多个处理器用于调用所述存储器中的指令执行以下步骤:
    对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存入第一缓存区;
    对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存入第二缓存区,所述第二缓存区不同于所述第一缓存区;
    停止对显示数据进行绘图;
    获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像;
    获取所述第二缓存区的所述第二图层数据进行处理后,显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
  9. 根据权利要求8所述的终端,其特征在于,所述第一显示数据包括光标图片的显示数据,所述第二显示数据包括所述光标图片的位置对应的背景图片的显示数据。
  10. 根据权利要求8或9所述的终端,其特征在于,所述一个或多个处理器还用于:
    获取第三显示数据;
    若所述第三显示数据与所述第一显示数据相同或所述第三显示数据与所述第二显示数据相同,获取所述第一缓存区的所述第一图层数据进行处理后,显示根据所述第一图层数据生成的图像。
  11. 根据权利要求8或9所述的终端,其特征在于,所述一个或多个处理器还用于:
    获取第三显示数据;
    若所述第三显示数据不同于所述第一显示数据或第二显示数据,对所述应用的第三显示数据进行绘图生成第三图层数据,并将所述第三图层数据存入第三缓存区;
    获取所述第三缓存区的所述第三图层数据进行处理后,显示根据所述第三图层数据生成的图像。
  12. 根据权利要求8至11任一项所述的终端,其特征在于,所述一个或多个处理器还用于:
    检测到触发事件,执行所述停止对显示数据进行绘图的步骤。
  13. 根据权利要求12所述的终端,其特征在于,所述触发事件为所述光标图片的位置没有变化。
  14. 根据权利要求9至13任一项所述的终端,其特征在于,所述一个或多个处理器对所述第一显示数据进行绘图生成第一图层数据,具体包括:
    获取所述光标图片的显示数据和所述光标图片的位置;
    对所述光标图片的显示数据进行绘图生成第一图层数据,以将所述第一图层数据写入所述第一缓存区中所述光标图片的位置对应的数据区;
    所述一个或多个处理器对所述应用的第二显示数据进行绘图生成第二图层数据,包括:
    获取所述背景图片的显示数据和所述光标图片的位置;
    对所述背景图片的显示数据进行绘图生成第二图层数据,以将所述第二图层数据写入所述第二缓存区中所述光标图片的位置对应的数据区。
  15. 一种具有显示***的终端,其特征在于,所述显示***包括:控制模块、绘图模块、合成模块、存储模块和显示模块;
    所述控制模块,用于调用所述绘图模块进行绘图,控制所述合成模块对图层数据进行处理;
    所述绘图模块,用于对第一显示数据进行绘图生成第一图层数据,并将所述第一图层数据存入所述存储模块的第一缓存区;
    所述绘图模块,还用于对第二显示数据进行绘图生成第二图层数据,并将所述第二图层数据存入所述存储模块的第二缓存区,所述第二缓存区不同于所述第一缓存区;
    所述存储模块包括第一缓存区和第二缓存区,所述第一缓存区用于存储第一图层数据,所述第二缓存区用于存储第二图层数据;
    所述绘图模块,还用于根据所述控制模块的控制停止对显示数据进行绘图;
    所述合成模块,用于根据所述控制模块的控制获取所述第一缓存区的所述第一图层数据进行处理;
    所述显示模块,用于显示根据所述第一图层数据生成的图像;
    所述合成模块,还用于根据所述控制模块的控制获取所述第二缓存区的所述第二图层数据进行处理;
    所述显示模块,还用于显示根据所述第二图层数据生成的图像,不显示根据所述第一图层数据生成的图像。
  16. 根据权利要求15所述的终端,其特征在于,所述第一显示数据包括光标图片的显示数据,所述第二显示数据包括所述光标图片的位置对应的背景图片的显示数据。
  17. 根据权利要求15或16所述的终端,其特征在于,所述绘图模块还用于获取第三显示数据;
    若所述第三显示数据与所述第一显示数据相同或所述第三显示数据与所述第二显示数据相同,所述合成模块还用于获取所述第一图层数据进行处理,所述显示模块显示根据所述第一图层数据生成的图像。
  18. 根据权利要求15或16所述的终端,其特征在于,所述绘图模块还用于获取第三显示数据;
    若所述第三显示数据不同于所述第一显示数据或第二显示数据,所述绘图模块还用于对所述应用的第三显示数据进行绘图生成第三图层数据,并将所述第三图层数据存入第三缓存区;
    所述合成模块还用于获取所述第三缓存区的所述第三图层数据进行处理;所述显示模块显示根据所述第三图层数据生成的图像。
  19. 根据权利要求15至18任一项所述的终端,其特征在于,所述控制模块还用于:
    检测到触发事件,控制所述绘图模块停止对显示数据进行绘图。
  20. 根据权利要求19所述的终端,其特征在于,所述触发事件为所述光标图片的位置没有变化。
  21. 根据权利要求16至20任一项所述的终端,其特征在于,所述绘图模块用于对所述第一显示数据进行绘图生成第一图层数据,包括:
    获取所述光标图片的显示数据和所述光标图片的位置;
    调用所述绘图模块的图像处理器GPU对所述光标图片的显示数据进行绘图生成第一图层数据,以将所述第一图层数据写入所述第一缓存区中所述光标图片的位置对应的数据区;
    所述绘图模块用于对所述应用的第二显示数据进行绘图生成第二图层数据,包括:
    获取所述背景图片的显示数据和所述光标图片的位置;
    调用所述绘图模块的图像处理器对所述背景图片的显示数据进行绘图生成第二图层数据,以将所述第二图层数据写入所述第二缓存区中所述光标图片的位置对应的数据区。
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