CN110471734A - A kind of display control method and device - Google Patents
A kind of display control method and device Download PDFInfo
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- CN110471734A CN110471734A CN201910765696.XA CN201910765696A CN110471734A CN 110471734 A CN110471734 A CN 110471734A CN 201910765696 A CN201910765696 A CN 201910765696A CN 110471734 A CN110471734 A CN 110471734A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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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
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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Abstract
This application discloses a kind of display control method and devices, for being mounted with the terminal device of multiple virtual machines, the frame buffer information of the physical display card of the available terminal device, and the frame of physical display card buffering is divided according to the frame buffer information of the physical display card, obtain the corresponding frame buffer information of each virtual machine in multiple virtual machines.It is understood that each frame buffer information that division obtains can respectively correspond an on-screen display (osd) area on the screen.Since each virtual machine is provided with corresponding frame buffer information, i.e., each virtual machine is provided with corresponding on-screen display (osd) area.So any one virtual machine i.e. the first virtual machine in multiple virtual machine can be shown according to the corresponding on-screen display (osd) area of frame buffer information corresponding with the first virtual machine.It can be seen that being shown using the screen that the terminal device can be used in each virtual machine of scheme provided by the embodiments of the present application.
Description
Technical field
This application involves computer fields, more particularly to a kind of display control method and device.
Background technique
With the development of science and technology, virtual machine using more and more extensive.It can be installed on one terminal device multiple
Virtual machine, it is however generally that, only one general screen of a terminal device.One screen can only be distributed to one at present virtually
Machine uses.I.e. when the quantity for the virtual machine installed on terminal device is multiple, only one virtual machine can be used terminal and set
Standby screen is shown that the screen that other virtual machines are unable to using terminal equipment is shown.For example, screen is distributed to
After No.1 virtual machine use, no matter No.1 virtual machine is shown either with or without the screen of using terminal equipment, other virtual machines
Screen is not available to be shown.
It is understood that in practical applications, each virtual machine of the installation on terminal device may have using screen
The demand of curtain.Because user is when using virtual machine, the screen for being typically necessary using terminal equipment is shown.Therefore, such as
The screen what makes the multiple virtual machines installed on terminal device that terminal device can be used is shown, is current urgent need solution
Certainly the problem of.
Summary of the invention
Technical problems to be solved in this application are how to make each virtual machine the screen of terminal device can be used
It is shown, a kind of display control method and device is provided.
In a first aspect, the embodiment of the present application provides a kind of display control method, applied to being mounted with multiple virtual machines
Terminal device, which comprises
Obtain the frame buffer information of the physical display card of the terminal device；
It is divided, is obtained described more according to frame buffering of the frame buffer information of the physical display card to the physical display card
The corresponding frame buffer information of each virtual machine in a virtual machine；The corresponding frame buffer information of first virtual machine, for described
First virtual machine is shown on the corresponding on-screen display (osd) area of the corresponding frame buffer information of first virtual machine；Described
One virtual machine is any one virtual machine in the multiple virtual machine.
Optionally, the frame buffer information according to the physical display card draws the frame buffering of the physical display card
Point, comprising:
According to the frame buffer information of the number for the virtual machine installed on the terminal device and the physical display card, to described
The frame buffering of physical display card is divided, so that dividing the size of the obtained corresponding on-screen display (osd) area of multiple frame buffer informations
The corresponding on-screen display (osd) area of multiple frame buffer informations that identical and division obtains is not overlapped.
Optionally, the frame buffer information according to the physical display card draws the frame buffering of the physical display card
Point, comprising:
Getting frame buffering divides configuration file, is buffered according to the frame and divides configuration file, to the frame of the physical display card
Buffering is divided, and the frame buffering divides configuration file and generated according to the frame buffer information of the physical display card.
Optionally, it includes following one of partition strategy that the frame buffering, which divides configuration file:
Symmetrical equal part partition strategy, it is asymmetric be not overlapped partition strategy, partly overlap partition strategy and completely overlapped stroke
Divide strategy.
Optionally, the frame buffer information, comprising:
Base address, every scan line pixel number, horizontal resolution, vertical resolution and pixel format.
Second aspect, the embodiment of the present application provide a kind of display control unit, applied to being mounted with multiple virtual machines
Terminal device, described device include:
Acquiring unit, the frame buffer information of the physical display card for obtaining the terminal device；
Division unit, for being drawn according to the frame buffer information of the physical display card to the frame buffering of the physical display card
Point, obtain the corresponding frame buffer information of each virtual machine in the multiple virtual machine；
The corresponding frame buffer information of first virtual machine, for first virtual machine in the corresponding frame of first virtual machine
It is shown on the corresponding on-screen display (osd) area of buffer information；First virtual machine is any one in the multiple virtual machine
A virtual machine.
Optionally, the division unit, is specifically used for:
According to the frame buffer information of the number for the virtual machine installed on the terminal device and the physical display card, to described
The frame buffering of physical display card is divided, and the corresponding frame buffer information of each virtual machine in the multiple virtual machine is obtained；
Wherein, the size of the corresponding on-screen display (osd) area of multiple frame buffer informations divided is identical and divides obtained multiple frames
The corresponding on-screen display (osd) area of buffer information is not overlapped.
Optionally, the division unit, is specifically used for:
Getting frame buffering divides configuration file, is buffered according to the frame and divides configuration file, to the frame of the physical display card
Buffering is divided, and the corresponding frame buffer information of each virtual machine in the multiple virtual machine is obtained；The frame buffering is drawn
Configuration file is divided to be generated according to the frame buffer information of the physical display card.
Optionally, it includes following one of partition strategy that the frame buffering, which divides configuration file:
Symmetrical equal part partition strategy, it is asymmetric be not overlapped partition strategy, partly overlap partition strategy and completely overlapped stroke
Divide strategy.
Optionally, the frame buffer information, comprising:
Base address, every scan line pixel number, horizontal resolution, vertical resolution and pixel format.
The third aspect, the embodiment of the present application provide a kind of terminal device, and the terminal device includes: processor and storage
Device；
The memory, for storing instruction；
The processor executes the above first aspect any one institute for executing the described instruction in the memory
The display control method stated.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, the computer readable storage
Instruction is stored in medium, when described instruction is run on the terminal device, so that the terminal device executes the above first party
The described in any item display control methods in face.
Compared with prior art, the embodiment of the present application has the advantage that
The embodiment of the present application provides a kind of display control method and device, for being mounted with that the terminal of multiple virtual machines is set
It since the screen of terminal device show is driven by the physical display card on the terminal device for standby, and the object of terminal device
Manage a storage unit in the frame buffering of video card, a pixel on the screen of counterpart terminal equipment.Therefore, in the application reality
It applies in example, the frame buffer information of the physical display card of the available terminal device, and is buffered according to the frame of the physical display card
Information divides the frame of physical display card buffering, obtains the corresponding frame buffering of each virtual machine in multiple virtual machines
Information.It is understood that it is aobvious to divide the screen that obtained each frame buffer information can respectively correspond on the screen
Show region.Since each virtual machine is provided with corresponding frame buffer information, i.e., each virtual machine is provided with corresponding screen
Display area.So any one virtual machine i.e. the first virtual machine in multiple virtual machine, can according to the first virtual machine
The corresponding on-screen display (osd) area of corresponding frame buffer information is shown.It can be seen that utilizing side provided by the embodiments of the present application
The screen that the terminal device can be used in each virtual machine of case is shown.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of exemplary application scene provided by the embodiments of the present application；
Fig. 2 is a kind of flow diagram of display control method provided by the embodiments of the present application；
Fig. 3 is the mapping relations between a kind of frame buffering of physical display card provided by the embodiments of the present application and screen pixels point
Schematic diagram；
Fig. 4 is another exemplary scene schematic diagram provided by the embodiments of the present application；
Fig. 5 is a kind of structural schematic diagram of display control unit provided by the embodiments of the present application.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this
Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.The application
Inventor has found that in traditional technology, can will when the quantity for the virtual machine installed on terminal device is multiple
The physical display card of terminal device distributes to one of virtual machine in aforesaid plurality of virtual machine, which utilizes the object
The screen of reason video driver terminal device shown, and other virtual machines are due to the physical display card of unassigned terminal device,
So other virtual machines cannot be shown at any time using the screen of terminal device.And in practical applications, terminal
Each virtual machine of installation in equipment may have the demand using screen, because user is when using virtual machine, generally
The screen for requiring using terminal equipment is shown.Therefore, when being mounted with multiple virtual machines on terminal device, how to make
The screen that terminal device can be used in each virtual machine is shown, is current urgent problem.
To solve the above-mentioned problems, the embodiment of the present application provides a kind of display control method and device, each virtual machine
The screen that terminal device can be used is shown.
With reference to the accompanying drawing, the various non-limiting embodiments of the application are described in detail.
Illustrative methods
It should be noted that in practical applications, it can be by the physical display card of terminal device come drives terminal equipment
Screen is shown.Specifically, the frame buffering (English: framebuffer) of physical display card includes multiple storage units, wherein one
A storage unit corresponds to an address in memory.In other words, the frame buffering of physical display card occupies an address model in memory
It encloses.A storage unit in the frame buffering of physical display card corresponds to a pixel on the screen of the terminal device, in other words,
The frame buffering of physical display card then corresponds to the entire screen of the terminal device.Into the frame buffering of the physical display card, write-in is certain
The data of format can export corresponding content on the screen of terminal device.
So the frame buffer information of the physical display card of terminal device in the embodiment of the present application, can be obtained first, then
The frame buffer information is divided, is that each virtual machine in the multiple virtual machines installed on the terminal device determines correspondence
Frame buffer information, so, each virtual machine in the multiple virtual machine is provided with corresponding frame buffer information, so
Each virtual machine can be shown based on the corresponding on-screen display (osd) area of frame buffer zone corresponding with itself information.It ties below
Attached drawing is closed display control method provided by the embodiments of the present application is introduced.
For convenience of understanding, the application scenarios of the embodiment of the present application are introduced first.It can be found in Fig. 1, which is this Shen
Please embodiment provide a kind of exemplary application scene schematic diagram.
Fig. 1 shows the terminal device 100 provided by the embodiments of the present application for being mounted with multiple virtual machines, end shown in FIG. 1
End equipment 100, including hardware components and software section.Wherein hardware components include screen 101 and physical display card 102, and physics is aobvious
Card 102 can be used for that screen 101 is driven to be shown.Software section includes virtual machine monitor (English: Hypervisor) layer
103 and client computer (English: guest) layer 104.Hypervisor layers of Hypervisor can be used for establishing and execute virtual machine
Software, hardware or firmware in operational process for example, Hypervisor can be interacted with physical display card, and pass through phase
The processing answered enables virtual machine to call the resource of physical display card.The multiple virtual machines being mounted on the terminal device 100
Positioned at guest layer 104, multiple virtual machines can be in the operating system of the calling of guest layer 104 oneself, to realize corresponding function
Can, such as realize and show corresponding content on screen 101.
Next, display control method provided by the embodiments of the present application is introduced.
Referring to fig. 2, which is a kind of flow diagram of display control method provided by the embodiments of the present application.
Display control method provided by the embodiments of the present application can be executed by being mounted with the terminal device of multiple virtual machines,
Specifically, it can be executed by the Hypervisor on the terminal device for being mounted with multiple virtual machines, it can by being located at Fig. 1
Shown in Hypervisor in Hypervisor layer 103 execute.
Display control method provided by the embodiments of the present application, such as can be realized with S201-S202 as follows.
S201: the frame buffer information of the physical display card of terminal device is obtained.
The embodiment of the present application does not limit the specific implementation for obtaining the frame buffer information of the physical display card specifically, as
A kind of example, can read the physical display card configuration file of the terminal device, to obtain the frame buffering of the physical display card
Information.
In the embodiment of the present application, the frame buffer information, it can be understood as the screen of physical display card drives terminal equipment
It carries out showing required information.In the embodiment of the present application, the frame buffer information may include: base address, every scanning
Line pixel number, horizontal resolution, vertical resolution and pixel format.
Wherein: base address includes the initial address and address size of the frame buffering, can determine this by the base address
Frame buffers the number of pixels on the screen of counterpart terminal equipment.Every scan line pixel number, refers to, scan line is from terminal device
When screen scans from left to right, the quantity for the pixel passed through.Every scan line pixel number, it is understood that corresponded to for frame buffering
On-screen display (osd) area width included by pixel number.Horizontal resolution refers to that the frame buffers corresponding on-screen display (osd) area pair
Pixel number included by the width answered.Vertical resolution refers to included by the corresponding height of the corresponding on-screen display (osd) area of the frame buffering
Pixel number.Pixel format refers to that the frame buffers the data format that corresponding on-screen display (osd) area supports display.
S202: according to the frame buffer information of the physical display card, the frame buffering of the physical display card is divided, is obtained
The corresponding frame buffer information of each virtual machine in the multiple virtual machine；The corresponding frame buffer information of first virtual machine is used
It is shown on the corresponding on-screen display (osd) area of the corresponding frame buffer information of first virtual machine in first virtual machine；
First virtual machine is any one virtual machine in the multiple virtual machine.
After getting the frame buffer information of the physical display card, the frame of physical display card can be buffered and be divided, obtained
The corresponding frame buffer information of each virtual machine into the multiple virtual machine.It is understood that divide obtain it is described
The corresponding frame buffer information of each virtual machine, respectively corresponds one on the screen of the terminal device in multiple virtual machines
Display area.
For convenience of description, in the examples below, " any one virtual machine in the multiple virtual machine " is known as " the
One virtual machine ".It is after the first virtual machine has corresponding frame buffer information, i.e., available with for the first virtual machine
The corresponding on-screen display (osd) area of the corresponding frame buffer information of one virtual machine is shown.
The embodiment of the present application does not limit the frame according to the frame buffer information of the physical display card to the physical display card specifically
The specific implementation divided is buffered, as long as corresponding frame buffer information can be determined for each virtual machine, to institute
The frame for stating physical display card buffers the specific implementation divided, can be determines according to actual conditions.
As can be seen from the above description, using display control method provided by the embodiments of the present application, each virtual machine can be with
Display operation is carried out using the screen of the terminal device.
It should be noted that the embodiment of the present application does not limit the execution opportunity of display control method shown in Fig. 2 specifically.Make
For a kind of example, if the time difference between the aforesaid plurality of virtual machine of user installation is smaller, i.e., user is in certain time (such as one
In hour) be mounted with aforesaid plurality of virtual machine on the terminal device, then method shown in Fig. 2 can be in user in the terminal
Preset time executes after being mounted with aforesaid plurality of virtual machine in equipment.The embodiment of the present application does not limit the preset time specifically,
The preset time for example can be 5 minutes.
Furthermore, it is contemplated that in practical applications, user installs on the terminal device may between the time of multiple virtual machines
It is poor there are the regular hour, for example, user is mounted with one after No.1 virtual machine and No. two virtual machines on the terminal device
Week, and it is mounted with No. three virtual machines on the terminal device.In this case, display control method shown in FIG. 1, can also be with
It is executed after terminal device detects to be mounted with new virtual machine i.e. No. three virtual machine.In this case, if by the object
After the frame buffering of reason video card is divided, the corresponding frame buffer information of No.1 virtual machine is changed, then virtual machine monitors
Device can send frame buffer update message to No.1 virtual machine, so that No.1 virtual machine is based on the frame buffering redistributed
The corresponding on-screen display (osd) area of information is shown.Likewise, if after the frame of physical display card buffering is divided, two
Number corresponding frame buffer information of virtual machine is changed, then virtual machine monitor can send frames buffering more to No. two virtual machines
New information, so that No. two virtual machines are shown based on the corresponding on-screen display (osd) area of frame buffer information redistributed
Show.
Certainly, display control method shown in Fig. 2 can also execute on other opportunitys, will not enumerate explanation herein.
It is two kinds introduced below " to be drawn according to frame buffering of the frame buffer information of the physical display card to the physical display card
Point " specific implementation.
In a kind of implementation of the embodiment of the present application, it is contemplated that in practical applications, installed on the terminal device
Each virtual machine there may be the demands that are shown of screen of using terminal equipment simultaneously.So in the embodiment of the present application
In a kind of implementation, letter can be buffered according to the frame of the number and the physical display card of installing virtual machine on the terminal device
Breath divides the frame buffering of the physical display card, shows so that dividing the obtained corresponding screen of multiple frame buffer informations
The size in region is identical and divides the obtained corresponding on-screen display (osd) area of multiple frame buffer informations and is not overlapped.In other words, if eventually
The number for the virtual machine installed in end equipment is the first number, then slow to the frame according to the frame buffer information of the physical display card
It rushes corresponding screen (i.e. the entire screen of terminal device) and carries out symmetrical equal part, be divided into the first number on-screen display (osd) area, it should
The size of each on-screen display (osd) area is all the same in first number on-screen display (osd) area, and the first number screen display area
Domain does not overlap.One virtual machine corresponding one divides obtained on-screen display (osd) area.
It should be noted that aforementioned " buffer corresponding screen to the frame according to the frame buffer information of the physical display card
Symmetrical equal part is carried out, the first number on-screen display (osd) area is divided into, each screen is aobvious in the first number on-screen display (osd) area
Show that the size in region is all the same, and the first number on-screen display (osd) area does not overlap " in specific implementation, such as can be right
The address range that the frame buffering of the physical display card is shared is divided equally into first number part, every part then obtained for division
Frame buffering obtains frame based on the division and buffers occupied address range, and the corresponding frame of frame buffering for determining that the division obtains is slow
Rush information.Specifically, understood in combination with the following table 1.Table 1 shows the frame buffer information of physical display card and divides 4 obtained
A frame buffer information.Certainly, table 1 it is merely for convenience understanding and show, do not constitute the restriction to the embodiment of the present application.
Table 1
As it can be seen from table 1 the base address that buffers of the frame of physical display card is 0, horizontal resolution 8, vertical resolution is
8, every scan line pixel number is 8, equal to the horizontal resolution of physical display card.According to base address 0 and horizontal resolution and hang down
Straight resolution ratio is that can determine that the frame of physical display card buffers corresponding address range as 0-63.It is slow to the frame of physical display card in table 1
It rushes in and has gone symmetrical equal part, be divided into 4 equal portions.The buffering of frame corresponding to the corresponding on-screen display (osd) area of each virtual machine ground
Location range can be determined according to its corresponding base address, horizontal resolution and vertical resolution.Specifically, Fig. 3 can be combined
Understood, Fig. 3 is that the mapping between a kind of frame buffering of physical display card provided by the embodiments of the present application and screen pixels point is closed
The schematic diagram of system.From figure 3, it can be seen that dividing the size phase of the obtained corresponding on-screen display (osd) area of four frame buffer informations
Together.Specifically:
The corresponding base address of No.1 virtual machine is 0, and horizontal resolution and vertical resolution are 4, according to base address 0 and water
Divide resolution and vertical resolution equally, that is, can determine that corresponding frame buffer address range is 0-3,8-11,16-19 and 24-27.
Based on the mapping relations between frame shown in Fig. 3 buffering and screen pixels point, that is, it can determine that the corresponding screen of No.1 virtual machine is aobvious
Show that region is the corresponding display area in the screen upper left corner.
Similar, the corresponding base address of No. two virtual machines is 4, and horizontal resolution and vertical resolution are 4, according to base
Mapping relations between location 4 and horizontal resolution and vertical resolution and frame buffering and screen pixels point, that is, can determine two
Number corresponding on-screen display (osd) area of virtual machine is the corresponding display area in the screen upper right corner.
Similar, the corresponding base address of No. three virtual machines is 32, and horizontal resolution and vertical resolution are 4, according to base
Mapping relations between address 4 and horizontal resolution and vertical resolution and frame buffering and screen pixels point, that is, can determine
The corresponding on-screen display (osd) area of No. three virtual machines is the corresponding display area in the screen lower left corner.
Similar, the corresponding base address of No. four virtual machines is 36, and horizontal resolution and vertical resolution are 4, according to base
Mapping relations between address 4 and horizontal resolution and vertical resolution and frame buffering and screen pixels point, that is, can determine
The corresponding on-screen display (osd) area of No. four virtual machines is the corresponding display area in the screen lower right corner.
It should be noted that table 1 and Fig. 3 are intended merely to facilitate understanding and show, and in practical applications, the frame of physical display card
Buffer information is not necessarily as shown in table 1, for example, in practical applications, the base address of physical display card for example can be
0xE0000000, every scan line pixel numerical example such as can be 1920, and horizontal resolution for example can be 1920, vertical resolution
Such as can be 1080, pixel format is 32 RGB RGB colors etc., will not enumerate explanation herein.
It can be seen that division mode is buffered using this frame, even if the virtual machine installed on terminal device is in synchronization
It is shown using the screen of terminal device, since the corresponding on-screen display (osd) area of each virtual machine does not overlap, so it is each
The content that virtual machine is shown on the screen will not be overlapped, and the usage experience of user is relatively good.
In another implementation of the embodiment of the present application, it can also be buffered by frame and divide configuration file to the object
The frame buffering of reason video card is divided.It specifically, can after obtaining the frame buffer information of physical display card of the terminal device
Configuration file is divided with the frame buffer information delta frame buffering based on the physical display card, configuration text is then divided based on frame buffering
Part divides the frame buffering of the physical display card.
The embodiment of the present application does not limit the frame buffering specifically and divides content included in configuration file, shows as one kind
Example, it may include frame buffer information corresponding with each virtual machine that the frame, which buffers in configuration file, therefore, it is slow obtain the frame
It rushes after configuration file, can be buffered according to the frame and divide configuration file, it is right respectively to obtain each virtual machine in multiple virtual machines
The frame buffer information answered.
In the embodiment of the present application, the frame buffering divides configuration file, can embody slow to the frame of the physical display card
It rushes in row and divides followed partition strategy.The embodiment of the present application does not limit the partition strategy specifically, as an example, institute
State partition strategy may include symmetrical equal part partition strategy, it is asymmetric be not overlapped partition strategy, partly overlap partition strategy and
Any one in completely overlapped partition strategy.
Wherein:
Symmetrical equal part partition strategy refers to dividing the big of the obtained corresponding on-screen display (osd) area of multiple frame buffer informations
The corresponding on-screen display (osd) area of multiple frame buffer informations that small identical and division obtains is not overlapped.
It is asymmetric not to be overlapped partition strategy, it refers to dividing the obtained corresponding on-screen display (osd) area of multiple frame buffer informations
In, it is at least not identical in the presence of the size of two on-screen display (osd) areas and divide the obtained corresponding screen of multiple frame buffer informations
Display area is not overlapped.
Partly overlap partition strategy, refers to dividing in the obtained corresponding on-screen display (osd) area of multiple frame buffer informations,
May exist a part of overlapping region between any two on-screen display (osd) area, but any two on-screen display (osd) area is not
Completely overlapped (it is identical not deposit the corresponding on-screen display (osd) area of two virtual machines).
Completely overlapped partition strategy, the corresponding on-screen display (osd) area of multiple frame buffer informations for referring to that division obtains are homogeneous
Together, i.e., the corresponding on-screen display (osd) area of multiple virtual machines is same on-screen display (osd) area.In the embodiment of the present application, using complete
The corresponding on-screen display (osd) area of each virtual machine that overlapping partition strategy divides can be the entire screen of the terminal device
Curtain, or the partial region in the entire screen of the terminal device, the embodiment of the present application are not specifically limited.
It is understood that for symmetrical equal part partition strategy and it is asymmetric be not overlapped partition strategy, each virtual machine can
It is shown with the screen in synchronization using terminal equipment, and will not be weighed between the corresponding display content of each virtual machine
It is folded.For the partition strategy that partly overlaps, if there is the region that partly overlaps between the corresponding on-screen display (osd) area of two virtual machines,
If the time that the screen for controlling the two virtual machine using terminal equipment is shown, so that the two virtual machines are not or not same a period of time
The screen for carving using terminal equipment shown, then the two virtual machines can the screen of normal use terminal device shown
Show, nor will affect user and check the content that the two virtual machines are shown on the terminal device.Similarly, for completely overlapped
Partition strategy, as long as the screen of only one virtual machine using terminal equipment of synchronization is shown that each virtual machine is equal
Can the screen of normal use terminal device shown, nor will affect user and check each virtual machine on the terminal device
The content of display.
It should be noted that in view of in practical applications, user to the screen of each virtual machine using terminal equipment into
Row display the case where be it is familiar, it is in the embodiment of the present application, aforementioned for the source of screen of reasonable employment terminal device
Partition strategy can be user determines according to actual conditions.For example, when user determines that each virtual machine makes in synchronization
When a possibility that being shown with the screen of terminal device is not very big, then the partition strategy can be determined as completely overlapped
Partition strategy；For another example, when user determine each virtual machine the screen of the equal using terminal equipment of synchronization shown can
Can property it is bigger when, then the partition strategy can be determined as to symmetrical equal part partition strategy or asymmetric the graduation such as be not overlapped
Divide strategy；For another example, when user determine there are two virtual machine the screen of the equal using terminal equipment of synchronization shown can
Can property it is little, then the division etc. that can be determined as the partition strategy partly overlapping divides partition strategy；Etc..Then, virtual machine
Monitor obtains the partition strategy that the user determines, such as virtual machine monitor obtains the division that user inputs on the terminal device
Strategy, and configuration file is divided based on the partition strategy and the frame buffer information delta frame of physical display card buffering.
It should be noted that in the embodiment of the present application, it, can be with defeated when user inputs partition strategy on the terminal device
Enter division constraint condition corresponding with the partition strategy, then, virtual machine monitor can be corresponding based on the partition strategy
The frame buffer information for dividing constraint condition and the physical display card generates the frame buffering and divides configuration file.
The embodiment of the present application does not limit the division constraint condition specifically, which is used for so that virtual machine is supervised
Visual organ determines the division result to the frame buffering of the physical display card.It is existing for example: example about the division constraint condition
Such as, when the partition strategy is to partly overlap partition strategy, the division constraint condition that user inputs on the terminal device is for example
It can be the size of overlapping region, etc. of the corresponding on-screen display (osd) area of two virtual machines.For another example, when the partition strategy is
Asymmetric when not being overlapped partition strategy, the division constraint condition that user inputs on the terminal device for example can be each virtual machine
Ratio between corresponding on-screen display (osd) area.For another example, when the partition strategy is completely overlapped partition strategy, user is at end
The division constraint condition inputted in end equipment, such as can be set for the corresponding on-screen display (osd) area of each virtual machine with the terminal
Ratio between standby screen.For another example, when the partition strategy is symmetrical equal part partition strategy, user is defeated on the terminal device
The division constraint condition entered, such as can be the number for the virtual machine installed on terminal device.
Below to " the first virtual machine controls the corresponding on-screen display (osd) area of the corresponding frame buffer information of the first virtual machine and carries out
The implementation of display " is introduced.
As above, can be shown by the physical display card of terminal device come the screen of drives terminal equipment.In this Shen
Please be in embodiment, virtual machine monitor can be the first virtual machine creating virtual video card corresponding with first virtual machine, when
When first virtual machine detects the virtual video card, available frame buffer information corresponding with the first virtual machine, and it is based on first
The corresponding frame buffer information creation virtual video card driving of virtual machine.After creating virtual video card driving, the first virtual machine
It is shown based on the corresponding on-screen display (osd) area of the corresponding frame buffer information of the first virtual machine of virtual video card drive control.
In practical applications, virtual monitor can use when creating virtual video card corresponding with the first virtual machine
The corresponding frame buffer information of one virtual machine configuration parameter corresponding with the virtual video card is created, can also be virtual merely with this
The corresponding configuration parameter of video card is created, and the embodiment of the present application is not specifically limited.
The embodiment of the present application does not limit the corresponding configuration parameter of virtual video card specifically, and the corresponding configuration of the virtual video card is joined
Number, for example, may include pixel bit wide, mode number, genuine device manufacturer (OriginalEquipment Manufacturer,
OEM) ProductName, device status information, pixel clock and refresh rate etc..Wherein, pixel bit wide refers to every pixel data institute
The bit number accounted for；Mode number is used to describe the display pattern of virtual video card, such as the resolution ratio of on-screen display (osd) area, by virtually showing
What the mode number that card is supported determined；OEM ProductName is used to describe the information of the manufacturer of virtual video card, such as: manufacturer's name,
Video card title, video card model etc..Device status information is for indicating whether the function of virtual video card is turned on.In the application reality
It applies in example, the function that the screen of the virtual video card drives terminal equipment is shown is turned on.The frequency and screen of pixel clock
The resolution ratio of curtain display area is related, and the resolution ratio of on-screen display (osd) area is higher, then the frequency of pixel clock is also higher.Refresh rate
Refer to electron beam to the number of the image multiple scanning shown on on-screen display (osd) area, refresh rate is higher, and shown image is steady
It is qualitative better.It should be noted that the corresponding configuration parameter of aforementioned virtual video card, it can be according to the configuration of the physical display card
Parameter determines.
It should be noted that if the virtual video card is virtual aobvious with this using the corresponding frame buffer information of the first virtual machine
Block what corresponding configuration parameter was created, then the corresponding frame buffer information of first virtual machine is stored in first void
In the quasi- corresponding memory headroom of machine, then the first virtual machine can be seen directly obtains the first virtual machine pair from the memory headroom of itself
The frame buffer information answered, and based on the corresponding frame buffer information creation virtual video card driving of the first virtual machine.If described virtual aobvious
Card is created using the corresponding configuration parameter of the virtual video card, then the corresponding frame buffer information of first virtual machine can
To be stored in the corresponding memory headroom of the virtual machine monitor.In this case, first virtual machine can be to institute
It states virtual machine monitor and sends frame buffer information acquisition request；The virtual machine monitor is asked according to frame buffer information acquisition
It asks, determines frame buffer information corresponding with first virtual machine, and the corresponding frame buffer information of first virtual machine is sent out
Give first virtual machine；Then, first virtual machine can be based on the corresponding frame buffer information creation of the first virtual machine
Virtual video card driving.
Display control method provided by the embodiments of the present application is described above, below in conjunction with concrete scene, to this
The display control method that application embodiment provides is introduced.
Referring to fig. 4, which is another exemplary scene schematic diagram provided by the embodiments of the present application.As shown in figure 4, terminal
3 virtual machines are installed, which is respectively provided with corresponding virtual system, void respectively shown in Fig. 4 in equipment 100
Quasi- system 1041,1042 and 1043 is respectively positioned in the guest layer 104 of the terminal device 100.
As shown in figure 4, having framebuffer device service module 1031, framebuffer device service in Hypervisor layer 103
The frame buffer information of the available physical display card 102 of device module 1031, and the frame buffer information of physical display card 102 is drawn
Point, 3 parts are divided into, three parts of frame buffer informations, respectively frame buffer information 1021,1022 and 1023 are obtained.Wherein, frame buffering letter
Breath 1021 is corresponding with virtual system 1041, and frame buffer information 1022 is corresponding with virtual system 1042, frame buffer information 1023 and void
Quasi- system 1043 is corresponding.Corresponding framebuffer device drive module is all had in each virtual system in guest layer 104, it is empty
Quasi- system 1041 has framebuffer device drive module 1041a, and virtual system 1042 has framebuffer device drive module
1042a, virtual system 1043 have framebuffer device drive module 1043a.
Framebuffer device service module 1031 can be created corresponding with virtual system 1041 based on frame buffer information 1021
Virtual video card, the framebuffer device drive module 1041a in virtual system 1041 detect void corresponding with virtual system 1041
After quasi- video card, corresponding video driver can be created based on frame buffer information 1021, and utilize the video driver screen of creation
On-screen display (osd) area 101a in 101 is shown.Similar, framebuffer device service module 1031 can be based on frame buffer information
1022 create virtual video card corresponding with virtual system 1042, the framebuffer device drive module 1042a in virtual system 1042
After detecting virtual video card corresponding with virtual system 1042, corresponding video card can be created based on frame buffer information 1022 and is driven
It is dynamic, and shown using the on-screen display (osd) area 101b in the video driver screen 101 of creation.Framebuffer device service module 1031
Virtual video card corresponding with virtual system 1043, the frame buffering in virtual system 1043 can be created based on frame buffer information 1023
After device driver module 1043a detects virtual video card corresponding with virtual system 1043, frame buffer information can be based on
The corresponding video driver of 1023 creations, and shown using the on-screen display (osd) area 101c in the video driver screen 101 of creation.
It should be noted that the frame buffer information of physical display card 102 is obtained about framebuffer device server module 1031,
And to the specific implementation that the frame buffer information of physical display card 102 is divided, the description of related content above can be referred to
Part, and will not be described here in detail.In addition, Fig. 4 is intended merely to facilitate understanding and show, the limit to the embodiment of the present application is not constituted
It is fixed.Number about the virtual machine installed on terminal device 100 can also be other other than it can be 3 shown in Fig. 4
Number.In addition the concrete mode divided to the frame buffer information of physical display card is also possible to other sides other than Fig. 4
Formula, for example, can be mentioned above according to symmetrical equal part partition strategy, it is asymmetric be not overlapped partition strategy, partly overlap division
Any one partition strategy in tactful and completely overlapped partition strategy is divided.
Example devices
Based on the display control method that above embodiments provide, the embodiment of the present application also provides a kind of display control dresses
It sets, introduces the device below in conjunction with attached drawing.
Referring to Fig. 5, which is a kind of structural schematic diagram of display control unit provided by the embodiments of the present application.
Display control unit provided by the embodiments of the present application can be applied to the terminal device for being mounted with multiple virtual machines.
As shown in figure 5, the display control unit 500 can for example specifically include: acquiring unit 501 and division unit 502.
Acquiring unit 501, the frame buffer information of the physical display card for obtaining the terminal device；
Division unit 502, for being buffered into according to the frame buffer information of the physical display card to the frame of the physical display card
Row divides, and obtains the corresponding frame buffer information of each virtual machine in the multiple virtual machine；
The corresponding frame buffer information of first virtual machine, for first virtual machine in the corresponding frame of first virtual machine
It is shown on the corresponding on-screen display (osd) area of buffer information；First virtual machine is any one in the multiple virtual machine
A virtual machine.
Optionally, the division unit 502, is specifically used for:
According to the frame buffer information of the number for the virtual machine installed on the terminal device and the physical display card, to described
The frame buffering of physical display card is divided, and the corresponding frame buffer information of each virtual machine in the multiple virtual machine is obtained；
Wherein, the size of the corresponding on-screen display (osd) area of multiple frame buffer informations divided is identical and divides obtained multiple frames
The corresponding on-screen display (osd) area of buffer information is not overlapped.
Optionally, the division unit 502, is specifically used for:
Getting frame buffering divides configuration file, is buffered according to the frame and divides configuration file, to the frame of the physical display card
Buffering is divided, and the corresponding frame buffer information of each virtual machine in the multiple virtual machine is obtained；The frame buffering is drawn
Configuration file is divided to be generated according to the frame buffer information of the physical display card.
Optionally, it includes following one of partition strategy that the frame buffering, which divides configuration file:
Symmetrical equal part partition strategy, it is asymmetric be not overlapped partition strategy, partly overlap partition strategy and completely overlapped stroke
Divide strategy.
Optionally, the frame buffer information, comprising:
Base address, every scan line pixel number, horizontal resolution, vertical resolution and pixel format.
Since described device 500 is the corresponding device of method provided with above method embodiment, described device 500 it is each
The specific implementation of a unit is same design with above method embodiment, accordingly, with respect to each unit of described device 500
Specific implementation, can refer to above method embodiment description section, details are not described herein again.
As can be seen from the above description, it using display control unit provided by the embodiments of the present application, is installed on terminal device
The screen that the terminal device can be used in each virtual machine carries out display operation.
The embodiment of the present application also provides a kind of terminal device, the terminal device includes: processor and memory；
The memory, for storing instruction；
The processor is executed and is shown described in above method embodiment for executing the described instruction in the memory
Show control method.
The embodiment of the present application also provides a kind of computer readable storage medium, deposited in the computer readable storage medium storing program for executing
Instruction is contained, when described instruction is run on the terminal device, so that the terminal device executes described in above method embodiment
Display control method.
The embodiment of the present application provides a kind of computer program product, and the computer program product is transported on the terminal device
When row, so that the terminal device executes display control method described in above embodiments.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.For reality
For applying system or device disclosed in example, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of display control method, which is characterized in that applied to the terminal device for being mounted with multiple virtual machines, the method packet
It includes:
Obtain the frame buffer information of the physical display card of the terminal device；
It is divided according to frame buffering of the frame buffer information of the physical display card to the physical display card, obtains the multiple void
The corresponding frame buffer information of each virtual machine in quasi- machine；The corresponding frame buffer information of first virtual machine is used for described first
Virtual machine is shown on the corresponding on-screen display (osd) area of the corresponding frame buffer information of first virtual machine；Described first is empty
Quasi- machine is any one virtual machine in the multiple virtual machine.
2. the method according to claim 1, wherein the frame buffer information according to the physical display card is to institute
The frame buffering for stating physical display card is divided, comprising:
According to the frame buffer information of the number for the virtual machine installed on the terminal device and the physical display card, to the physics
The frame buffering of video card is divided, so that dividing the size phase of the obtained corresponding on-screen display (osd) area of multiple frame buffer informations
The corresponding on-screen display (osd) area of multiple frame buffer informations that same and division obtains is not overlapped.
3. the method according to claim 1, wherein the frame buffer information according to the physical display card is to institute
The frame buffering for stating physical display card is divided, comprising:
Getting frame buffering divides configuration file, is buffered according to the frame and divides configuration file, buffers to the frame of the physical display card
It is divided, the frame buffering divides configuration file and generated according to the frame buffer information of the physical display card.
4. according to the method described in claim 3, it is characterized in that, it includes following wherein one that frame buffering, which divides configuration file,
Kind partition strategy:
Symmetrical equal part partition strategy, it is asymmetric be not overlapped partition strategy, partly overlap partition strategy and completely overlapped division plan
Slightly.
5. method according to any of claims 1-4, which is characterized in that the frame buffer information, comprising:
Base address, every scan line pixel number, horizontal resolution, vertical resolution and pixel format.
6. a kind of display control unit, which is characterized in that applied to the terminal device for being mounted with multiple virtual machines, described device packet
It includes:
Acquiring unit, the frame buffer information of the physical display card for obtaining the terminal device；
Division unit, for being divided according to the frame buffer information of the physical display card to the frame buffering of the physical display card,
Obtain the corresponding frame buffer information of each virtual machine in the multiple virtual machine；
The corresponding frame buffer information of first virtual machine, for first virtual machine in the corresponding frame buffering of first virtual machine
It is shown on the corresponding on-screen display (osd) area of information；First virtual machine is any one void in the multiple virtual machine
Quasi- machine.
7. device according to claim 6, which is characterized in that the division unit is specifically used for:
According to the frame buffer information of the number for the virtual machine installed on the terminal device and the physical display card, to the physics
The frame buffering of video card is divided, and the corresponding frame buffer information of each virtual machine in the multiple virtual machine is obtained；Wherein,
The size for the corresponding on-screen display (osd) area of multiple frame buffer informations that division obtains is identical and divides obtained multiple frames buffering letter
Corresponding on-screen display (osd) area is ceased not to be overlapped.
8. device according to claim 6, which is characterized in that the division unit is specifically used for:
Getting frame buffering divides configuration file, is buffered according to the frame and divides configuration file, buffers to the frame of the physical display card
It is divided, obtains the corresponding frame buffer information of each virtual machine in the multiple virtual machine；The frame buffering, which divides, matches
File is set to be generated according to the frame buffer information of the physical display card.
9. a kind of terminal device, which is characterized in that the terminal device includes: processor and memory；
The memory, for storing instruction；
The processor, for executing the described instruction in the memory, perform claim requires to show described in 1-5 any one
Show control method.
10. a kind of computer readable storage medium, which is characterized in that it is stored with instruction in the computer readable storage medium storing program for executing,
When described instruction is run on the terminal device, so that the terminal device perform claim requires the described in any item displays of 1-5
Control method.
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