CN107436760A - Multiwindow rendering intent and device - Google Patents

Multiwindow rendering intent and device Download PDF

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Publication number
CN107436760A
CN107436760A CN201710522646.XA CN201710522646A CN107436760A CN 107436760 A CN107436760 A CN 107436760A CN 201710522646 A CN201710522646 A CN 201710522646A CN 107436760 A CN107436760 A CN 107436760A
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Prior art keywords
rendering
window
multiwindow
wayland
hmi
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CN201710522646.XA
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余诗洋
郑宇�
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Baidu Online Network Technology Beijing Co Ltd
Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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Priority to CN201710522646.XA priority Critical patent/CN107436760A/en
Publication of CN107436760A publication Critical patent/CN107436760A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/546—Message passing systems or structures, e.g. queues
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Processing Or Creating Images (AREA)

Abstract

The present invention, which provides a kind of multiwindow rendering intent and device, this method, to be included：Receive the generation information of multiple man-machine interfaces (HMI) control unit transmission；The rendering contexts object according to corresponding to being respectively created multiple generation information, and it is based on window object corresponding to each rendering contexts object of Wayland protocol generations；Corresponding rendering contexts object is rendered in multiple window objects respectively.The present invention by vehicular applications by being split as rendering engine and some HMI control units, human-computer interactive control is respectively completed by each HMI control units, and the control logic and data of each window are uniformly configured by the resident rendering engine of unique and process, realize meet between multiple windows or even the linkage interaction demand between other application, without repeating to create recoverable resources while, closing HMI applications will not cause to close all windows, flexible easily occupation mode has been provided the user, has improved Consumer's Experience.

Description

Multiwindow rendering intent and device
Technical field
The application is related to multiwindow Rendering field, and in particular to a kind of multiwindow rendering intent and device.
Background technology
Existing vehicle mounted guidance is shown generally in the form of single screen, and a screen is typically only capable to show a map Window.With vehicle cost decline and vehicle configuration raising, multi-screen displaying and screen in multiwindow show demand by Step lifting.
The solution that vehicular map uses for the demand at present has two categories below：
A kind of scheme is individually to create a map application for each screen.On the one hand the program can cause a part of script The repetition for the resource that can be multiplexed creates, and wastes system resource；On the other hand, also it is unfavorable for the linkage of multiple map applications, example User such as back seat wants to allow the screen shows and its identical map area of other users, and this is nothing under current framework What method was realized.Further, if the application of other onboard systems is wanted to interact with map, current framework equally can not Support.
Another kind of scheme is that multiple rendering contexts objects are created in same application process.In this scenario, Suo Youxuan Contaminate environmental objects to bind with the application, so as to cause that when user closes the application all map windows can be closed, it is necessary to weight New startup, which is applied and drawn, renders part map window still in use, causes to use upper inconvenience.
The content of the invention
In view of drawbacks described above of the prior art or deficiency, it is expected to provide one kind meet between multiple windows or even and its It apply between linkage interaction demand, without repeating to create recoverable resources, and close application will not cause to close it is all The multiwindow rendering intent and device of window.
In a first aspect, the present invention provides a kind of multiwindow rendering intent, including：
Receive the generation information of multiple man-machine interfaces (HMI) control unit transmission；
The rendering contexts object according to corresponding to being respectively created multiple generation information, and it is each based on Wayland protocol generations Window object corresponding to rendering contexts object；
Corresponding rendering contexts object is rendered in multiple window objects respectively.
Second aspect, the present invention provide a kind of multiwindow rendering device, including communication unit, environment configurations unit, form Control unit and graphical programming unit.
Communication unit is configured to receive the generation information of multiple man-machine interfaces (HMI) control unit transmission；
Environment configurations unit is configured to the rendering contexts object according to corresponding to being respectively created multiple generation information；
Form control unit is configured to be based on Wayland agreements, generates window pair corresponding to each rendering contexts object As；
Graphical programming unit is configured to respectively render corresponding rendering contexts object in multiple window objects.
The third aspect, the present invention also provide a kind of equipment, including one or more processors and memory, wherein memory Comprising by instruction that the one or more processors perform the one or more processors being caused to perform according to of the invention each The multiwindow rendering intent that embodiment provides.
Fourth aspect, the present invention also provide a kind of computer-readable recording medium for being stored with computer program, the calculating Machine program makes computer perform the multiwindow rendering intent provided according to various embodiments of the present invention.
The multiwindow rendering intent and device that many embodiments of the present invention provide are drawn by being split as rendering by vehicular applications Hold up with some HMI control units, human-computer interactive control is respectively completed by each HMI control units, and resident by unique and process Rendering engine uniformly configures the control logic and data of each window, it is achieved thereby that between meeting multiple windows or even with it is other Linkage interaction demand between, without repeating to create recoverable resources while, closing HMI applications will not cause to close institute There is window, provided the user flexibly easily occupation mode, improved Consumer's Experience；
The multiwindow rendering intent and device that some embodiments of the invention provide are further by before window object is created Rendering contexts object corresponding to establishment is simultaneously stored in the array of Dynamic Maintenance, and carries out window by deleting the rendering contexts object The destruction of mouth, there is provided a kind of flexibly easily window destroys mode.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other Feature, objects and advantages will become more apparent upon：
Fig. 1 is the flow chart for the multiwindow rendering intent that one embodiment of the invention provides.
Fig. 2 be method shown in Fig. 1 a kind of preferred embodiment in step S30 flow chart.
Fig. 3 be method shown in Fig. 1 a kind of preferred embodiment in step S50 flow chart.
Fig. 4 is a kind of flow chart of preferred embodiment of method shown in Fig. 1.
Fig. 5 is a kind of flow chart of preferred embodiment of method shown in Fig. 1.
Fig. 6 is the structural representation for the multiwindow rendering device that one embodiment of the invention provides.
Fig. 7 is a kind of structural representation for equipment that one embodiment of the invention provides.
Embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to It is easy to describe, the part related to invention is illustrate only in accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the flow chart for the multiwindow rendering intent that one embodiment of the invention provides.
As shown in figure 1, in the present embodiment, the present invention provides a kind of multiwindow rendering intent, including：
S10：Receive the generation information of multiple man-machine interfaces (HMI) control unit transmission；
S30：The rendering contexts object according to corresponding to being respectively created multiple generation information, and it is based on Wayland protocol generations Window object corresponding to each rendering contexts object；
S50：Corresponding rendering contexts object is rendered in multiple window objects respectively.
Specifically, applied compared to HMI in existing scheme by control module and rendering module coupling in one application, this The method that invention provides splits control module and rendering module, and several HMI controls for being respectively configured as independent utility are single Member and an engine unit.
The above method is described in detail below by way of an example.Mobile unit is configured with four pieces of screens, vehicle-mounted system Three independent HMI application A, B, C are configured with system, and are configured with engine map application D, each HMI is applied and engine map should With being run respectively by independent process, communicated each other by IPC mechanism., can be according to actual need in more embodiments The screen for configuring varying number and HMI applications are asked, can be that one piece of screen configures multiple HMI applications, HMI can also be applied and matched somebody with somebody It is set to while corresponding multiple screens, each HMI applications can runs in independent process and can also be run in a process, can be real Existing identical technique effect.
In step slo, HMI applications A receives the instruction of the show map first in screen 1 by Man Machine Interface, to Engine map application D sends generation information CA；HMI applications C receives the show map third in screen 2 by Man Machine Interface Instruction, generation information C is sent to engine map application DC.Engine map application D receives generation information C respectivelyAWith generation information CC。
In step s 30, engine map application D is respectively according to generation information CAWith generation information CCCreate rendering contexts pair As EAWith rendering contexts object EC, and corresponding rendering contexts object E is generated based on Wayland agreements respectivelyAWindow object WA, And corresponding rendering contexts object ECWindow object WC。
In step s 50, engine map application D is respectively according to generation information CAWith generation information CCIn rendering contexts object EAWith rendering contexts object ECIn render map first and map third, be finally completed respectively in window object WAAnd WCMiddle show map First and third.
Fig. 2 be method shown in Fig. 1 a kind of preferred embodiment in step S30 flow chart.It is as shown in Fig. 2 excellent one Select in embodiment, step S30 is specifically included：
S31：According to the first generation information, the first rendering contexts object is created by graphical programming and window interface；
S33：And the first Wayland clients are created to generate corresponding first window object by Wayland agreements；
S35：Establish the first communication linkage of first window object and Wayland service ends.
Wherein, the first generation information refers to any generation information in multiple generation information that step S10 is received.
Step S31-S35 is described in detail again by examples detailed above.
In the present embodiment, rendered using Wayland+EGL+OpenGL Technical Architecture, graphical programming and form Interface is specially EGL interfaces, and the first rendering contexts object specifically includes EGLContext objects and EGLSurface objects, step Rendering for S50 is realized by OpenGL state machines.In more embodiments, different types of figure can be configured according to the actual requirements Programming and window interface and rendering tool, as long as the first generation information that can be sent according to HMI control units is based on Wayland Complete to render in the first window object of protocol generation, you can realize identical technique effect.
In step S31, according to generation information CAWith generation information CC, by EGL interfaces be respectively created corresponding to render ring Border object EA(including EGLContext-1 and EGLSurface-1) and the second rendering contexts object EC(including EGLContext-2 And EGLSurface-2).
In step S33, when creating EGLSurface-1, pass through Wayland corresponding to the establishment of Wayland agreements client-1；When creating EGLSurface-2, pass through Wayland client-2 corresponding to the establishment of Wayland agreements.
In step s 35, Wayland client-1 and Wayland Server communication linkage wl_ are established respectively Display1, and Wayland client-2 and Wayland Server communication linkage wl_display2.
Fig. 3 be method shown in Fig. 1 a kind of preferred embodiment in step S50 flow chart.It is as shown in figure 3, excellent one Select in embodiment, step S50 is specifically included：
S51：Content to be displayed is rendered in the first rendering contexts object；
S53：It will need to synthesize to show according to the first communication linkage by the Compositor modules in Wayland service ends First window object in content to be displayed synthesized；
S55：By window controlling module in Wayland service ends manage first window object and other window objects it Between display relation.
In the present embodiment, window controlling module is specially the IVI-Shell modules in Wayland Server, and right IVI-Shell modules have carried out control logic and have redefined editor, can also be according to the actual requirements by window control in more embodiments Molding block is configured to different windows control instrument that onboard system carries (need also exist for be controlled logic redefine), or makes by oneself The window controlling module of justice, identical technique effect can be achieved.
Specifically, in the above-described example, as generation information CAWith generation information CCComprising control logic be respectively in screen 1 and screen 2 in show map first and when third, after completing the rendering of step S51, judge to learn without carrying out in step S53 Synthesis, IVI-Shell modules control sizes of the Wayland client-1 in screen 1, position etc. respectively in step S55, And sizes of the Wayland client-2 in screen 2, position etc., map first and third is completed respectively in screen 1 and screen 2 Display；
As generation information CAWith generation information CCComprising control logic be in the Overlapping display map first of screen 1 and third, it is complete After into the rendering of step S51, Compositor modules are according to communication linkage wl_display1 and wl_ in step S53 Display2 is synthesized the content to be displayed rendered respectively in Wayland client-1 and Wayland client-2, In step S55, IVI-Shell modules control Wayland client-1 and Wayland client-2 in screen 1 respectively Size, position, Z-Order (the Z axis position that window object stacks) etc., complete map first and the third Overlapping display in screen 1.
In more embodiments, also Wayland Server/Client can be substituted by using X11Server/Client Mode, the modes such as above-mentioned steps S53 and S55 control are completed using X11Server and are realized, identical technology effect can be achieved Fruit.
Fig. 4 is a kind of flow chart of preferred embodiment of method shown in Fig. 1.As shown in figure 4, in a preferred embodiment In, method provided by the invention further comprises：
S70：The control message that any HMI control units are sent is received, according to predetermined control logic to control message institute Any one or more window objects and corresponding rendering contexts object specified are controlled.
Specifically, HMI control units can be communicated by IPC knows the letter of the currently displayed each map of engine unit Breath, such as HMI applications A, B, C control engine map application D to generate and show that map first, second, third, HMI applications A pass through respectively IPC communications know and currently show map first, second, third, then user can by HMI applications A Man Machine Interface to first, Any map in second, third is controlled, such as map second is superimposed on map third and shown, HMI applications A receives man-machine interaction After user's input of interface, communicated by IPC to control message corresponding to engine map application D transmissions.
After engine map application D receives the control message of HMI applications A transmissions, Compositor modules disappear to the control The content rendered in the specified map second of breath and third window object is synthesized, window of the IVI-Shell modules third The window object of second is superimposed on object, completes map second being superimposed on map third and shows.
As a comparison, in the scheme that existing more applications are rendered respectively, each application is completed alone to render respectively, then Each application can only be controlled to the window that itself is rendered, such as the map itself rendered can only be controlled using M, and worked as and applied M is wanted when being superimposed another map on the map generated, it is necessary to is rendered the content to be superimposed again, is caused system resource Waste.Method provided by the invention creates reusable money while the linkage interaction demand of multiwindow is met without repeating Source, avoid waste system resource.
Fig. 5 is a kind of flow chart of preferred embodiment of method shown in Fig. 1.As shown in figure 5, in a preferred embodiment In, it is stored in after above-mentioned rendering contexts Object Creation in the array of Dynamic Maintenance, method provided by the invention further comprises：
S90：The destruction message that any HMI control units are sent is received, is deleted in the array and destroys message meaning rationed marketing The rendering contexts object corresponding to any one or more window objects ruined.
Specifically, each HMI control units can individually destroy currently displayed any map window, and due to HMI Control unit and its control and binding relationship be not present between the rendering contexts object and window object of generation, close application not Rendering contexts object that it controls generation can be caused to close and window object (if in the presence of the demand, can be configured as closing HMI apply when from trend engine unit send destroy message with destroy the HMI application controls generation rendering contexts object and Window object).
As a comparison, in the scheme that existing single application is repeatedly rendered, HMI applications and all rendering contexts pair As binding, cause that when closing HMI applications all maps can be closed.Method provided by the invention can when closing HMI applications Whether flexible configuration closes map.
Multiwindow rendering intent provided by the invention is described in detail exemplified by rendering map for the various embodiments described above, In more embodiments, rendering objects can be also configured to different contents according to the actual requirements, be not limited solely to map, Realize identical technique effect.
The various embodiments described above provide method by the way that vehicular applications are split as into rendering engine and some HMI control units, Human-computer interactive control is respectively completed by each HMI control units, and each window is uniformly configured by the resident rendering engine of unique and process Mouthful control logic and data, it is achieved thereby that between meeting multiple windows or even the linkage between other application interacts need While asking, create recoverable resources without repetition, closing HMI applications will not cause to close all windows, provide the user Flexible easily occupation mode, improves Consumer's Experience；
And further by rendering contexts object corresponding to the establishment before window object is created and it is stored in Dynamic Maintenance Array in, and carry out by deleting the rendering contexts object destruction of window, there is provided a kind of flexibly easily window is destroyed Mode.
Fig. 6 is the structural representation for the multiwindow rendering device that one embodiment of the invention provides.Device shown in Fig. 6 can be right The either method shown in Fig. 1-5 should be performed.
As shown in fig. 6, in the present embodiment, a kind of multiwindow rendering device 20 of present invention offer, including communication unit 21, Environment configurations unit 23, form control unit 25 and graphical programming unit 27.
Communication unit 21 is configured to receive the generation information that multiple HMI control units 10 are sent；Environment configurations unit 23 It is configured to the rendering contexts object according to corresponding to being respectively created multiple generation information；Form control unit 25 is configured to be based on Wayland agreements, generate window object corresponding to each rendering contexts object；Graphical programming unit 27 is configured to respectively more Corresponding rendering contexts object is rendered in individual window object.
The specific method rendered shown in principle reference picture 1, here is omitted.
In a preferred embodiment, environment configurations unit 23 is further configured to, according to the first generation information, pass through figure Shape programs creates the first rendering contexts object with window interface；Form control unit 25 is further configured to Wayland Agreement creates the first Wayland clients with first window object corresponding to generating, and establish the first window object with First communication linkage of Wayland service ends.Concrete principle can refer to the method shown in Fig. 2.
In a preferred embodiment, form control unit 25 is further configured in the first rendering contexts object Content to be displayed is rendered, will need to synthesize according to the first communication linkage by the Compositor modules in Wayland service ends Content to be displayed in the first window object of display is synthesized；And pass through the window control mould in Wayland service ends Block manages the display relation between first window object and other window objects.Concrete principle can refer to the method shown in Fig. 3.
In a preferred embodiment, graphical programming and window interface are EGL interfaces, and the first rendering contexts object includes EGLContext objects and EGLSurface objects, graphical programming unit 27 are rendered by OpenGL.
In a preferred embodiment, communication unit 21 is further configured to receive what any HMI control units 10 were sent Control message；Engine unit 20 is further configured to according to predetermined control logic to any one specified by the control message Individual or multiple window objects and corresponding rendering contexts object are controlled.Concrete principle can refer to the method shown in Fig. 4.
In a preferred embodiment, environment configurations unit 23 is further configured to the rendering contexts object storage of establishment In the array of Dynamic Maintenance；And any one or more windows destroyed and destroyed specified by message are deleted in the array Rendering contexts object corresponding to object；Communication unit 21 is further configured to receive the pin that any HMI control units are sent Ruin message.Concrete principle can refer to the method shown in Fig. 5.
In a preferred embodiment, the communication between engine unit 20 and each HMI control units 10 is communicated by striding course (IPC) mechanism is carried out.
Fig. 7 is a kind of structural representation for equipment that one embodiment of the invention provides.
As shown in fig. 7, as on the other hand, present invention also provides a kind of equipment 700, including one or more centres Unit (CPU) 701 is managed, it can add according to the program being stored in read-only storage (ROM) 702 or from storage part 708 The program that is downloaded in random access storage device (RAM) 703 and perform various appropriate actions and processing.In RAM703, also deposit Contain equipment 700 and operate required various programs and data.CPU701, ROM702 and RAM703 pass through the phase each other of bus 704 Even.Input/output (I/O) interface 705 is also connected to bus 704.
I/O interfaces 705 are connected to lower component：Importation 706 including keyboard, mouse etc.；Penetrated including such as negative electrode The output par, c 707 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage part 708 including hard disk etc.； And the communications portion 709 of the NIC including LAN card, modem etc..Communications portion 709 via such as because The network of spy's net performs communication process.Driver 710 is also according to needing to be connected to I/O interfaces 705.Detachable media 711, such as Disk, CD, magneto-optic disk, semiconductor memory etc., it is arranged on as needed on driver 710, in order to read from it Computer program be mounted into as needed storage part 708.
Especially, in accordance with an embodiment of the present disclosure, the multiwindow rendering intent of any of the above-described embodiment description can be by reality It is now computer software programs.For example, embodiment of the disclosure includes a kind of computer program product, it includes visibly including Computer program on a machine-readable medium, the computer program include the program generation for being used for performing multiwindow rendering intent Code.In such embodiments, the computer program can be downloaded and installed by communications portion 709 from network, and/or It is mounted from detachable media 711.
As another aspect, present invention also provides a kind of computer-readable recording medium, the computer-readable storage medium Matter can be the computer-readable recording medium included in the device of above-described embodiment；Can also be individualism, it is unassembled Enter the computer-readable recording medium in equipment.Computer-readable recording medium storage has one or more than one program, should Program is used for performing the multiwindow rendering intent for being described in the application by one or more than one processor.
Flow chart and block diagram in accompanying drawing, it is illustrated that according to the system of various embodiments of the invention, method and computer journey Architectural framework in the cards, function and the operation of sequence product.At this point, each square frame in flow chart or block diagram can generation The part of one module of table, program segment or code, the part of the module, program segment or code include one or more use In the executable instruction of logic function as defined in realization.It should also be noted that marked at some as in the realization replaced in square frame The function of note can also be with different from the order marked in accompanying drawing generation.For example, two square frames succeedingly represented are actually It can perform substantially in parallel, they can also be performed in the opposite order sometimes, and this is depending on involved function.Also It is noted that the combination of each square frame and block diagram in block diagram and/or flow chart and/or the square frame in flow chart, Ke Yitong Function as defined in execution or the special hardware based system of operation are crossed to realize, or can be by specialized hardware with calculating The combination of machine instruction is realized.
Being described in unit or module involved in the embodiment of the present application can be realized by way of software, can also Realized by way of hardware.Described unit or module can also be set within a processor, for example, each unit can With the software program being provided in computer or intelligent movable equipment or the hardware unit being separately configured.Wherein, this The title of a little units or module does not form the restriction to the unit or module in itself under certain conditions.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art Member should be appreciated that invention scope involved in the application, however it is not limited to the technology that the particular combination of above-mentioned technical characteristic forms Scheme, while should also cover in the case where not departing from the application design, appointed by above-mentioned technical characteristic or its equivalent feature Other technical schemes that meaning is combined and formed.Such as features described above has similar functions with (but not limited to) disclosed herein The technical characteristic technical scheme being replaced mutually and formed.

Claims (16)

  1. A kind of 1. multiwindow rendering intent, it is characterised in that including：
    Receive the generation information of multiple man-machine interfaces (HMI) control unit transmission；
    The rendering contexts object according to corresponding to being respectively created multiple generation information, and it is each based on Wayland protocol generations Window object corresponding to rendering contexts object；
    Corresponding rendering contexts object is rendered in multiple window objects respectively.
  2. 2. multiwindow rendering intent according to claim 1, it is characterised in that described according to multiple generation information point Not Chuan Jian corresponding to rendering contexts object, and be based on window object corresponding to each rendering contexts object of Wayland protocol generations Including：
    According to the first generation information, the first rendering contexts object is created by graphical programming and window interface；
    And the first Wayland clients are created to generate corresponding first window object by Wayland agreements；
    Establish the first communication linkage of the first window object and Wayland service ends.
  3. 3. multiwindow rendering intent according to claim 2, it is characterised in that described right in multiple window objects respectively Corresponding rendering contexts object rendered including：
    Content to be displayed is rendered in the first rendering contexts object；
    It will need to synthesize to show according to first communication linkage by the Compositor modules in the Wayland service ends First window object in content to be displayed synthesized；
    By window controlling module in the Wayland service ends manage the first window object and other window objects it Between display relation.
  4. 4. multiwindow rendering intent according to claim 2, it is characterised in that the graphical programming is with window interface EGL interfaces, the first rendering contexts object include EGLContext objects and EGLSurface objects, and described render passes through OpenGL is carried out.
  5. 5. multiwindow rendering intent according to claim 1, it is characterised in that also include：
    The control message that any HMI control units are sent is received, according to predetermined control logic to specified by the control message Any one or more window objects and corresponding rendering contexts object be controlled.
  6. 6. multiwindow rendering intent according to claim 1, it is characterised in that stored after the rendering contexts Object Creation In the array of Dynamic Maintenance, methods described also includes：
    The destruction message that any HMI control units are sent is received, destruction specified by the destruction message is deleted in the array Any one or more window objects corresponding to rendering contexts object.
  7. 7. multiwindow rendering intent according to claim 1, it is characterised in that between each HMI control units Communication is carried out by striding course communication (IPC) mechanism.
  8. A kind of 8. multiwindow rendering device, it is characterised in that including：
    Communication unit, it is configured to receive the generation information of multiple man-machine interfaces (HMI) control unit transmission；
    Environment configurations unit, it is configured to the rendering contexts object according to corresponding to being respectively created multiple generation information；
    Form control unit, it is configured to be based on Wayland agreements, generates window object corresponding to each rendering contexts object；
    Graphical programming unit, it is configured to respectively render corresponding rendering contexts object in multiple window objects.
  9. 9. multiwindow rendering device according to claim 8, it is characterised in that the environment configurations unit further configures For according to the first generation information, the first rendering contexts object to be created by graphical programming and window interface；
    The form control unit is further configured to Wayland agreements and creates the first Wayland clients to generate Corresponding first window object, and establish the first communication linkage of the first window object and Wayland service ends.
  10. 10. multiwindow rendering device according to claim 9, it is characterised in that the form control unit is further matched somebody with somebody Put for rendering content to be displayed in the first rendering contexts object, by the Wayland service ends Compositor modules according to first communication linkage will need synthesize display first window object in content to be displayed Synthesized；And the first window object and other are managed by the window controlling module in the Wayland service ends Display relation between window object.
  11. 11. multiwindow rendering device according to claim 9, it is characterised in that the graphical programming is with window interface EGL interfaces, the first rendering contexts object include EGLContext objects and EGLSurface objects, the graphical programming list Member is rendered by OpenGL.
  12. 12. multiwindow rendering device according to claim 8, it is characterised in that the communication unit further configures use In the control message for receiving any HMI control units transmission；
    The engine unit is further configured to according to predetermined control logic to any one specified by the control message Individual or multiple window objects and corresponding rendering contexts object are controlled.
  13. 13. multiwindow rendering device according to claim 8, it is characterised in that the environment configurations unit is further matched somebody with somebody Put for the rendering contexts object of establishment to be stored in the array of Dynamic Maintenance；And delete destruction in the array and disappear Rendering contexts object corresponding to the specified any one or more window objects destroyed of breath；
    The communication unit is further configured to receive the destruction message that any HMI control units are sent.
  14. 14. multiwindow rendering device according to claim 8, it is characterised in that the engine unit is controlled with each HMI Communication between unit processed is carried out by striding course (IPC) mechanism that communicates.
  15. 15. a kind of equipment, it is characterised in that the equipment includes：
    One or more processors；
    Memory, for storing one or more programs,
    When one or more of programs are by one or more of computing devices so that one or more of processors Perform the method as any one of claim 1-7.
  16. 16. a kind of computer-readable recording medium for being stored with computer program, it is characterised in that the program is executed by processor Methods of the Shi Shixian as any one of claim 1-7.
CN201710522646.XA 2017-06-30 2017-06-30 Multiwindow rendering intent and device Pending CN107436760A (en)

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Cited By (5)

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CN109388467A (en) * 2018-09-30 2019-02-26 百度在线网络技术（北京）有限公司 Map information display method, device, computer equipment and storage medium
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CN114896002A (en) * 2022-04-13 2022-08-12 北京智象信息技术有限公司 Browser application window level switching method and device based on Wayland protocol
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Application publication date: 20171205