JP6964781B2 - Event transmitter and event transmission method - Google Patents

Description

The present invention relates to an event transmission device, an information processing device, an information processing system, and an event transmission method.

A system equipped with a plurality of virtual machines operating on a hypervisor superimposes and displays an image drawn by each virtual machine on the display device. When the display device has a touch panel as an input device, the system cannot recognize the virtual machine corresponding to the input information because the input information received by the touch panel is only the touch coordinates.

Therefore, the following two methods can be considered for the system to send the input information to the appropriate virtual machine. In one method, the system distributes the input information to all virtual machines at once. In another method, the system sequentially sends input information to each virtual machine in a predetermined order. For example, the system first sends input information to a virtual machine. If one virtual machine that receives the input information does not use the input information, the system sends the input information to another virtual machine.

Japanese Unexamined Patent Publication No. 2011-197853

In the former method, useless communication occurs between the hypervisor and each virtual machine. Further, in the latter method, it takes time from the input of the input information until the virtual machine requiring the input information receives the input information.

Patent Document 1 proposes a function providing device in which a plurality of virtual machines are mounted on a hypervisor. In this function providing device, a menu screen is displayed on one virtual machine equipped with an OS (operating system) on which a menu management function is executed. When a specific button corresponding to a specific function is pressed on the menu screen, the menu management function unit of the virtual machine calls the virtual machine that controls the specific function. Therefore, it takes time for the processing request to reach the virtual machine that executes the selected function. In addition, the correspondence between the input position on the menu screen and the virtual machine that executes a specific function needs to be predetermined. That is, the function providing device may not always be able to execute the same function as the above-mentioned menu management function on an arbitrary display screen.

The present invention has been made to solve the above problems, and provides an event transmission device that efficiently transmits an input event to one of a plurality of virtual machines operating on a hypervisor. The purpose.

The event transmission device according to the present invention transmits an input event to one of a plurality of virtual machines operating on the hypervisor. The event transmission device includes an input unit, an event transmission unit, a superimposition unit, and a storage unit. The input unit receives an input event in which a plurality of drawing layers provided corresponding to each of the plurality of virtual machines are input to the superimposed images superimposed on each other. Event transmission unit, based on the correspondence relationship between one drawing layer on which the image at a plurality of positions and Dear location in the superimposed image is derived from, among the plurality of virtual machines, one corresponding to the input position of the input events in the superimposed image the destination of the virtual machine is a virtual machine, that sends input events. The superimposition unit superimposes a plurality of drawing layers to generate a superimposition image and a correspondence relationship. The superimposing unit generates a correspondence relationship corresponding to the superimposing image each time the superimposing image is generated. The storage unit stores a plurality of correspondences generated at different timings by the superimposing unit. The event transmission unit selects one correspondence for selecting a destination virtual machine from a plurality of correspondences based on a predetermined selection condition.

According to the present invention, it is possible to provide an event transmission device that efficiently transmits an input event to one of a plurality of virtual machines operating on a hypervisor.

Objectives, features, aspects, and advantages of the present invention will become more apparent with the following detailed description and accompanying drawings.

It is a block diagram which shows the structure of the event transmission apparatus in Embodiment 1. FIG. It is a figure which shows an example of the processing circuit which the event transmission apparatus has in Embodiment 1. FIG. It is a figure which shows another example of the processing circuit which the event transmission apparatus has in Embodiment 1. FIG. It is a flowchart which shows the operation of the event transmission apparatus and the event transmission method in Embodiment 1. FIG. It is a block diagram which shows the structure of the event transmission apparatus in Embodiment 2. FIG. It is a figure which shows an example of the layer composition relation in Embodiment 2. FIG. It is a figure which shows an example of the drawing layer and the superimposition image in Embodiment 2. FIG. It is a figure which shows an example of the drawing layer and the superimposition image in Embodiment 2. FIG. It is a figure which shows an example of the bitmap in Embodiment 2. FIG. It is a figure which shows the relationship between the hardware of the event transmission device and a hypervisor in Embodiment 2. FIG. It is a flowchart which shows the generation operation of the superimposition image by the superimposition part in Embodiment 2. It is a flowchart which shows the bitmap generation operation by the superimposition part in Embodiment 2. It is a flowchart which shows the operation of the event transmission apparatus and the event transmission method in Embodiment 2. It is a flowchart which shows the bitmap generation operation by the superimposition part in the modification of Embodiment 2. It is a block diagram which shows the structure of the event transmission device in Embodiment 3. It is a flowchart which shows the bitmap generation operation by the superimposition part in Embodiment 3. FIG. It is a flowchart which shows the operation of the event transmission apparatus and the event transmission method in Embodiment 3. It is a block diagram which shows the structure of the event transmission device in Embodiment 4. It is a flowchart which shows the operation of the input part in Embodiment 4. It is a flowchart which shows the operation of the event transmission apparatus and the event transmission method in Embodiment 4. It is a block diagram which shows the structure of the event transmission apparatus, the information processing apparatus and the information processing system in Embodiment 5. It is a figure which shows an example of the layer composition relation in Embodiment 5. It is a flowchart which shows the generation operation of the superimposition image by the superimposition part in Embodiment 5. It is a flowchart which shows the bitmap generation operation by the superimposition part in Embodiment 5. It is a flowchart which shows the operation of the event transmission apparatus and the event transmission method in Embodiment 5. It is a flowchart which shows the operation of the information processing apparatus and the event transmission method in Embodiment 5. It is a block diagram which shows the structure of the event transmission device and the device which operates in connection with it in Embodiment 6.

<Embodiment 1>
FIG. 1 is a block diagram showing the configuration of the event transmission device 100 according to the first embodiment. Further, FIG. 1 shows a plurality of virtual machines 30 that operate in association with the event transmission device 100. These plurality of virtual machines 30 operate on the hypervisor.

The event transmission device 100 has an input unit 10 and an event transmission unit 20.

The input unit 10 receives an input event in which a plurality of drawing layers provided corresponding to each of the plurality of virtual machines 30 are input to the superimposed images superimposed on each other. The input unit 10 receives, for example, an input event input to the touch panel based on the superimposed image displayed on the display.

The event transmission unit 20 corresponds to the input position of the input event in the superimposed image among the plurality of virtual machines 30 based on the correspondence relationship between the plurality of positions in the superimposed image and one drawing layer from which the image is derived at each position. Sends an input event to the destination virtual machine, which is one virtual machine.

FIG. 2 is a diagram showing an example of a processing circuit 95 included in the event transmission device 100. Each function of the input unit 10 and the event transmission unit 20 is realized by the processing circuit 95. That is, the processing circuit 95 has an input unit 10 and an event transmission unit 20.

When the processing circuit 95 is dedicated hardware, the processing circuit 95 may be, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), or an FPGA (Field-Programmable). Gate Array), or a circuit that combines these. Each function of the input unit 10 and the event transmission unit 20 may be individually realized by a plurality of processing circuits, or may be collectively realized by one processing circuit.

FIG. 3 is a diagram showing another example of the processing circuit included in the event transmission device 100. The processing circuit includes a processor 96 and a memory 97. By executing the program stored in the memory 97 by the processor 96, each function of the input unit 10 and the event transmission unit 20 is realized. For example, each function is realized by executing software or firmware described as a program by the processor 96. That is, the event transmission device 100 has a memory 97 for storing a program and a processor 96 for executing the program.

In the program, the event transmission device 100 receives input events input to the superimposed images in which the plurality of drawing layers provided corresponding to the plurality of virtual machines 30 are superimposed on each other, and a plurality of the superimposed images are received. Based on the correspondence between the position of The function to send is described. The program also causes the computer to execute the procedure or method of the input unit 10 and the event transmission unit 20.

The processor 96 is, for example, a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, a DSP (Digital Signal Processor), or the like. The memory 97 is a non-volatile or volatile memory such as a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, an EPROM (Erasable Programmable Read Only Memory), or an EEPROM (Electrically Erasable Programmable Read Only Memory). It is a semiconductor memory. Alternatively, the memory 97 may be any storage medium used in the future, such as a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, or a DVD.

Some of the functions of the input unit 10 and the event transmission unit 20 described above may be realized by dedicated hardware, and the other part may be realized by software or firmware. In this way, the processing circuit realizes each of the above-mentioned functions by hardware, software, firmware, or a combination thereof.

FIG. 4 is a flowchart showing the operation of the event transmission device 100 and the event transmission method according to the first embodiment.

In step S1, the input unit 10 receives an input event input to the superimposed image.

In step S2, the event transmission unit 20 becomes a virtual machine corresponding to the input position of the input event based on the correspondence relationship between the plurality of positions in the superimposed image and one drawing layer from which the image is derived at each position. , Send an input event.

Summarizing the above, the event transmission device 100 according to the first embodiment transmits an input event to one of the plurality of virtual machines 30 operating on the hypervisor. The event transmission device 100 includes an input unit 10 in which a plurality of drawing layers provided corresponding to each of the plurality of virtual machines 30 receive input events input to the superimposed images superimposed on each other, and a plurality of the superimposed images. Based on the correspondence between the position of An event transmission unit 20 for transmitting an input event to the machine is included.

With the above configuration, the event transmission device 100 can efficiently transmit the input event to the destination virtual machine operating on the hypervisor. The event transmission device 100 reduces the total amount of communication between the hypervisor and each virtual machine 30.

Summarizing the above, the event transmission method in the first embodiment is a method of transmitting an input event to one of a plurality of virtual machines 30 operating on the hypervisor. In the event transmission method, a plurality of drawing layers provided corresponding to each of the plurality of virtual machines 30 receive input events input to the superimposed images superimposed on each other, and a plurality of positions and each position in the superimposed image. The input event is transmitted to one of the plurality of virtual machines 30 corresponding to the input position of the input event in the superimposed image, based on the correspondence relationship with the one drawing layer from which the image is derived.

With the above configuration, the event transmission method can efficiently transmit the input event to the destination virtual machine operating on the hypervisor. The event transmission method reduces the total amount of communication between the hypervisor and each virtual machine 30.

<Embodiment 2>
The event transmission device and the event transmission method according to the second embodiment will be described. The second embodiment is a subordinate concept of the first embodiment. The event transmission device according to the second embodiment includes each configuration of the event transmission device 100 shown in the first embodiment. The same configuration and operation as in the first embodiment will not be described.

FIG. 5 is a block diagram showing the configuration of the event transmission device 101 according to the second embodiment. Further, FIG. 5 shows a display 110 and a touch panel 120 as devices that operate in connection with the event transmission device 101. The event transmission device 101 includes a superimposition unit 50, a display control unit 60, an input unit 10, a layer configuration storage unit 40, an event transmission unit 20, and a plurality of virtual machines 30.

The plurality of virtual machines 30 include the first virtual machine 301 to the Nth virtual machine 30N in the second embodiment. Each virtual machine runs on a hypervisor.

The superimposing unit 50 superimposes a plurality of drawing layers provided corresponding to each of the plurality of virtual machines 30 to generate a superposed image. At that time, the superimposing unit 50 first acquires an image drawn by each virtual machine 30. The superimposing unit 50 writes the image on the drawing layer corresponding to each virtual machine 30 from which the image is derived with reference to the layer configuration relationship. The superimposition unit 50 superimposes the images of each drawing layer to generate a superimposition image. FIG. 6 is a diagram showing an example of the layer configuration relationship in the second embodiment. Here, the layer configuration relationship is a table in which the drawing layer number and the virtual machine used are associated with each other. The virtual machine used is the virtual machine 30 from which the image to be written in the drawing layer indicated in the drawing layer number column is derived. For example, an image drawn by the first virtual machine 301 is written in the drawing layer indicated by the drawing layer number “1”. Alternatively, for example, an image drawn by the second virtual machine 302 is written in the drawing layer indicated by the drawing layer number “2”.

7 and 8 are diagrams showing an example of the drawing layer 2 and the superimposed image 5 in the second embodiment. 7 and 8 show one superimposed image 5 on which two drawing layers 2 and the two drawing layers 2 are superimposed for the sake of brevity. The two drawing layers 2 are composed of a first drawing layer 2A corresponding to the drawing layer number "1" in FIG. 6 and a second drawing layer 2B corresponding to the drawing layer number "2". The first drawing layer 2A is located higher than the second drawing layer 2B.

In FIG. 7, the first area 3 is drawn on the first drawing layer 2A by the first virtual machine 301. The first virtual machine 301 draws a button, a message to the user, a design in the screen, and the like (none of which are shown), which is an area for receiving an operation by the user, in the first area 3. Areas other than the first area 3 are transparent. The second area 4 is drawn on the second drawing layer 2B by the second virtual machine 302. The second virtual machine 302 draws a button for accepting an operation by the user, a message to the user, a design in the screen, and the like (none of which are shown) in the second area 4. Areas other than the second area 4 are transparent. In the superimposed image 5, the first drawing layer 2A and the second drawing layer 2B are superimposed on each other. The superimposed image 5 includes a first region 3 and a second region 4 derived from the respective drawing layers 2.

The same applies to FIG. The first area 3 is drawn on the first drawing layer 2A by the first virtual machine 301. Areas other than the first area 3 are transparent. The second area 4 is drawn on the second drawing layer 2B by the second virtual machine 302. Areas other than the second area 4 are transparent. In the superimposed image 5, the second region 4 of the second drawing layer 2B is drawn in the region where the first drawing layer 2A is transparent. The first area 3 in the first drawing layer 2A is drawn in the area where the first area 3 and the second area 4 overlap.

Further, in the second embodiment, the superimposed image 5 and each drawing layer 2 have a plurality of pixels. The number of pixels of the superimposed image 5 and the number of pixels of each drawing layer 2 are the same. In the superimposed image 5, a plurality of drawing layers 2 are superimposed on each of a plurality of pixels.

Further, each pixel in each drawing layer 2 has an alpha channel indicating transparency information in addition to an RGB value indicating color information. The alpha channel is represented here by an alpha value. For example, if the α value of one pixel is 1, that pixel is opaque. In that case, a color corresponding to the RGB value is drawn on the pixel in the superimposed image 5. Or, for example, when the α value of a pixel is 0, the pixel is transparent. In that case, the color corresponding to the RGB value is not drawn on the pixel in the superimposed image 5. In FIGS. 7 and 8, the α values of the first region 3 and the second region 4 are both 1, and the α values of the transparent regions are both 0. The superimposing unit 50 may generate the superimposing image 5 based on the transparency information (α value) and a predetermined threshold value for transparency. When the threshold value is appropriately set, the superimposing unit 50 can generate a superimposing image 5 in which two or more drawing layers 2 are superposed in a semi-transparent state.

Further, the superimposition unit 50 generates a correspondence relationship between a plurality of positions in the superimposition image 5 and one drawing layer 2 from which the image at each position is derived. For example, in FIG. 7 or FIG. 8, the superimposing unit 50 associates the position of the first region 3 in the superimposing image 5 with the first drawing layer 2A from which the image of the first region 3 is derived. Further, the superimposition unit 50 associates the position of the second region 4 in the superimposition image 5 with the second drawing layer 2B from which the image of the second region 4 is derived.

In the second embodiment, the superimposing unit 50 generates a bitmap as the above-mentioned correspondence. Here, the bitmap has the same number of pixels as the number of pixels of the superimposed image 5 and each drawing layer 2. That is, the unit of each pixel is applied as each position of the superimposed image 5, which is the unit of correspondence in the above correspondence.

The bitmap contains information in which the coordinates of one pixel in the superimposed image 5 and the one drawing layer 2 from which the image of the one pixel is derived are associated with each other. When each pixel of each image layer has an α value, the superimposing unit 50 generates a bitmap based on the α value and a predetermined threshold value for transparency. FIG. 9 is a diagram showing an example of the bitmap 6 in the second embodiment. The bitmap 6 stores a drawing layer number for drawing each pixel 7. For example, in the bitmap 6 shown in FIG. 9, "1" is shown to be an image derived from the first drawing layer 2A. It is shown that "2" is an image derived from the second drawing layer 2B. In the second embodiment, the bitmap 6 is generated separately from the superimposed image 5.

The display control unit 60 controls the display 110 to display the superposed image 5 generated by the superimposing unit 50.

The display 110 displays the superimposed image 5 under the control of the display control unit 60.

The touch panel 120 is an input device. The touch panel 120 may be a device included in the display 110.

The input unit 10 receives an input event input by the touch panel 120 with respect to the superimposed image 5 displayed on the display 110. The input event includes an input position or touch coordinate in the superimposed image 5.

The layer configuration storage unit 40 stores the above-mentioned layer configuration relationship. As shown in FIG. 6, one virtual machine may correspond to a plurality of drawing layers 2, and although not shown, one virtual machine may correspond to only one drawing layer. However, one drawing layer 2 needs to correspond to only one virtual machine.

The event transmission unit 20 identifies one drawing layer 2 from which the image of the region corresponding to the touch coordinates is derived, based on the pixel coordinates corresponding to the touch coordinates and the bitmap 6 generated by the superimposition unit 50. Further, the event transmission unit 20 specifies a transmission destination virtual machine corresponding to the specified drawing layer 2 based on the layer configuration relationship stored in the layer configuration storage unit 40. Then, the event transmission unit 20 transmits an input event to the transmission destination virtual machine.

FIG. 10 is a diagram showing the relationship between the hardware of the event transmission device 101 and the hypervisor according to the second embodiment. The event transmission device 101 has a SoC (System on Chip) 130 as hardware. The SoC 130 corresponds to the processing circuit shown in the first embodiment. That is, the SoC 130 has an input unit 10, an event transmission unit 20, a plurality of virtual machines 30, a layer configuration storage unit 40, a superimposition unit 50, and a display control unit 60, and realizes the functions of each functional unit. Further, the SoC 130 accepts an input event input from the touch panel 120. Further, the SoC 130 outputs the superimposed image 5 to the display 110. The plurality of virtual machines 30 operate on the hypervisor 140 installed on the SoC 130. Each virtual machine is virtually built by software on its hypervisor 140.

Next, the operation of generating the superposed image by the superimposing unit 50 will be described. FIG. 11 is a flowchart showing the operation of generating the superimposed image according to the second embodiment.

In step S5, the superimposing unit 50 acquires the image drawn by each virtual machine 30 and the layer configuration relationship.

In step S6, the superimposing unit 50 writes the image on the drawing layer corresponding to each virtual machine 30 from which each image is derived with reference to the layer configuration relationship.

In step S7, the superimposing unit 50 superimposes a plurality of drawing layers to generate a superposed image 5. By the above steps, the superimposed image 5 is generated.

Next, the operation of generating the bitmap by the superimposing unit 50 will be described. FIG. 12 is a flowchart showing a bitmap generation operation according to the second embodiment.

In step S10, the superimposing unit 50 prepares the bitmap 6 and initializes the bitmap 6.

In step S20, the superimposing unit 50 acquires the superimposing image 5.

In step S30, the superimposing unit 50 determines whether or not the generation processing of the bitmap 6 is completed for all the pixels 7 of the superimposing image 5. When the superimposing unit 50 determines that the processing has been completed for all the pixels 7, the bitmap generation operation ends. If the superimposing unit 50 determines that the processing has not been completed for all the pixels 7, step S40 is executed.

In step S40, the superimposing unit 50 determines whether or not the generation processing of the bitmap 6 is completed for all the drawing layers 2 of the superimposing image 5. When the superimposing unit 50 determines that the processing has been completed for all the drawing layers 2, step S80 is executed. If the superimposing unit 50 determines that the processing has not been completed for all the drawing layers 2, step S50 is executed.

In step S50, the superimposing unit 50 acquires the data of one pixel 7 in one drawing layer 2 currently being processed among the plurality of drawing layers 2 of the superposed image 5. Here, the data of one pixel 7 is an RGBA value. The RGBA value includes an α value which is transparent information in addition to the RGB value which is color information.

In step S60, the superimposing unit 50 determines whether or not the relational expression of α value ≧ threshold value is satisfied in the one pixel 7. If it is determined that the superimposing unit 50 satisfies the relational expression, step S80 is executed. If it is determined that the superimposing unit 50 does not satisfy the relational expression, step S70 is executed.

In step S70, the superimposing unit 50 sets the drawing layer 2 to be processed to the next drawing layer 2.

In step S80, the superimposing unit 50 outputs the drawing layer number currently being processed to the pixel 7 of the bitmap 6 corresponding to the pixel 7 currently being processed. When step S80 is executed as a result of completing the processing for all drawing layers 2, the drawing layer number currently being processed is the maximum value among the plurality of drawing layer numbers.

In step S90, the superimposing unit 50 sets the pixel 7 to be processed to the next pixel 7. A bitmap is generated by the above steps.

Next, the event transmission method will be described. FIG. 13 is a flowchart showing the operation of the event transmission device 101 and the event transmission method according to the second embodiment.

In step S100, the input unit 10 acquires the touch coordinates in which the input event is input.

In step S110, the event transmission unit 20 acquires the correspondence (bitmap 6) from the superimposition unit 50.

In step S120, the event transmission unit 20 acquires the drawing layer number based on the touch coordinates and the bitmap 6.

In step S130, the event transmission unit 20 acquires the layer configuration relationship from the layer configuration storage unit 40.

In step S140, the event transmission unit 20 selects one virtual machine as the transmission destination virtual machine from the plurality of virtual machines based on the drawing layer number and the layer configuration relationship.

In step S150, the event transmission unit 20 transmits an input event to the destination virtual machine.

In subsequent steps, the destination virtual machine performs processing based on the input event. The event transmission device 101 may output the result related to the processing to the display 110 via the superimposition unit 50 and the display control unit 60.

Further, in the second embodiment, the touch panel 120 and the display 110 are shown as devices different from the event transmission device 101, but even if the event transmission device 101 has a configuration including the touch panel 120 and the display 110. good.

Summarizing the above, the event transmission device 101 according to the second embodiment further includes a superimposing unit 50 that superimposes a plurality of drawing layers 2 to generate a superimposing image 5 and a correspondence relationship. Each of the superimposed image 5 and the plurality of drawing layers 2 includes a plurality of pixels 7. The superimposed image 5 is an image in which a plurality of drawing layers 2 are superimposed on each of the plurality of pixels 7. A unit of each pixel 7 is applied as each position of the superimposed image 5, which is a unit of correspondence in the correspondence relationship.

Further, the superimposing unit 50 of the event transmission device 101 in the second embodiment corresponds to the coordinates of one pixel 7 in the superimposing image 5 and the one drawing layer 2 from which the image of one pixel 7 is derived. , To generate a bitmap 6. The event transmission unit 20 transmits an input event to the destination virtual machine based on the bitmap 6.

With such a configuration, the event transmission device 101 can select one virtual machine corresponding to the input position with each pixel 7 of the superimposed image 5 as the minimum unit, so that the input resolution is improved.

Further, in the event transmission device 101 according to the second embodiment, each of the plurality of drawing layers 2 includes transparency information in each of the plurality of pixels 7. The superimposing unit 50 determines the superimposing image 5 and the bitmap 6 by determining one drawing layer 2 from which the image of one pixel 7 is derived based on the transparency information and a predetermined threshold value for transparency. And generate.

Basically, of the plurality of drawing layers 2, the drawing layer 2 having a transparency of 0% (that is, opaque) and located at a higher level is visually recognized by the user. In that case, the input event by the user is input to the opaque drawing layer 2. However, the event transmission device 101 according to the second embodiment can process an input event for the semitransparent drawing layer 2, for example, because the threshold value can be changed. Further, the threshold value may be set so as to be dynamically changeable.

(Modification 1 of Embodiment 2)
In the first modification of the second embodiment, each of the plurality of drawing layers 2 further includes color information in each of the plurality of pixels 7. In the generation operation of the bitmap 6 of the modification 1, when the α value is 0 and the value other than the α value (for example, the RGB value which is the color information) is a specific value, the superimposing portion 50 is set. The drawing layer number currently being processed is output to pixel 7 currently being processed. That is, when the transparency information of one pixel 7 in one drawing layer 2 is transparent and the color information is a specific color, the superimposing unit 50 sets the coordinates of one drawing layer 2 and one pixel 7. Generate the associated bitmap 6. This process is executed, for example, between step S60 and step S70. Such an event transmitting device can transmit an input event input to the "hidden button" that does not appear in the superimposed image 5 displayed on the display 110 to an appropriate virtual machine.

(Modification 2 of Embodiment 2)
In the second embodiment described above, the superimposing unit 50 generates the bitmap 6 separately from the superimposing image 5. The superimposing unit 50 in the second modification of the second embodiment generates a superimposing image 5 including a bitmap 6. That is, a bitmap 6 showing a correspondence relationship is embedded in the superimposed image 5.

FIG. 14 is a flowchart showing a bitmap generation operation by the superimposing unit 50 in the second modification of the second embodiment.

In step S20, the superimposing unit 50 acquires the superimposing image 5.

Steps S30 to S70 are the same as each step shown in FIG.

In step S81, the superimposing unit 50 embeds the drawing layer number currently being processed in the pixel 7 of the superimposing image 5 corresponding to the pixel 7 currently being processed. For example, when the drawing layer number is 0 to 7, the drawing layer number is stored in the lowest 3 bits of the plurality of bits for storing the RGB values.

Step S90 is the same as step S90 shown in FIG.

After that, the event transmission unit 20 transmits the input event to the transmission destination virtual machine corresponding to the input position based on the bitmap 6 included in the superimposed image 5. The event transmission method is the same as the method shown in FIG.

In the second modification of the second embodiment, the superimposing unit 50 embeds the bitmap 6 in the superimposing image 5 after completing the generation of the superimposing image 5. However, the method of generating and embedding the bitmap 6 is not limited thereto. The superimposition unit 50 may embed the bitmap 6 at the same time as the superimposition image 5 is generated.

The event transmission device according to the second modification of the second embodiment does not require a storage area required for outputting the bitmap 6.

<Embodiment 3>
The event transmission device and the event transmission method according to the third embodiment will be described. The third embodiment is a subordinate concept of the first embodiment. The event transmission device according to the third embodiment includes each configuration of the event transmission device 100 shown in the first embodiment. The description of the configuration and operation similar to those of the first or second embodiment will be omitted.

When the communication time between the event transmission device and the touch panel 120 is longer than the display update interval (frame rate) of the display 110, it is displayed on the display 110 before the input event arrives at the input unit 10 from the touch panel 120. The superimposed image 5 to be generated is updated. That is, the bitmap 6 corresponding to the superimposed image 5 is also updated. In this case, the event transmission unit 20 selects the transmission destination virtual machine based on the updated bitmap 6 and the input position with respect to the superimposed image 5 before the update. As a result, the event transmitting device is more likely to erroneously transmit an input event. The event transmitting device according to the third embodiment solves such a problem.

FIG. 15 is a block diagram showing the configuration of the event transmission device 102 according to the third embodiment. The event transmission device 102 further includes a time acquisition unit 70 and a bitmap storage unit 80 in addition to the configuration shown in the second embodiment.

The time acquisition unit 70 acquires time information. The time is the current time.

The superimposition unit 50 adds the time information that generated the superimposition image 5 to the superimposition image 5 and the bitmap 6 as the generation time. The superimposition unit 50 assigns a generation time each time the superimposition image 5 and the bitmap 6 are generated.

The display control unit 60 controls the display 110 to display the superimposed image 5. Further, the display control unit 60 outputs the generation time assigned to the superimposed image 5 to the input unit 10.

The bitmap storage unit 80 stores a plurality of bitmaps 6 generated by the superimposition unit 50 and having different generation times.

The input unit 10 receives an input event including touch coordinates from the touch panel 120. Further, the input unit 10 acquires the generation time given to the superposed image 5 by the superimposing unit 50. Here, the input unit 10 acquires the generation time from the display control unit 60.

The event transmission unit 20 acquires an input event including touch coordinates from the input unit 10 and a generation time assigned to the superimposed image 5. The event transmission unit 20 selects one bitmap 6 from a plurality of bitmaps 6 stored in the bitmap storage unit 80 based on a predetermined selection condition. The predetermined selection condition is a condition related to the generation time acquired by the input unit 10 and the generation time assigned to each bitmap 6 stored in the bitmap storage unit 80. Here, the event transmission unit 20 is one of a plurality of bitmaps 6 stored in the bitmap storage unit 80, to which a generation time corresponding to the generation time acquired by the input unit 10 is assigned. Select 6. The event transmission unit 20 transmits an input event to the transmission destination virtual machine corresponding to the input position based on the one bitmap 6.

The functions of the time acquisition unit 70, the superimposition unit 50, the display control unit 60, the bitmap storage unit 80, the input unit 10, the layer configuration storage unit 40, and the event transmission unit 20 in the third embodiment are shown in FIG. 10, for example. It is realized by the SoC130.

FIG. 16 is a flowchart showing a bitmap generation operation by the superimposing unit 50 in the third embodiment.

In step S12, the superimposing unit 50 initializes the bitmap 6 and assigns the generation time to the bitmap 6.

The steps after step S20 are the same as those of each step shown in FIG.

FIG. 17 is a flowchart showing the operation of the event transmission device 102 and the event transmission method according to the third embodiment.

In step S101, the input unit 10 acquires the touch coordinates in which the input event is input and the generation time given to the superimposed image 5.

In step S111, one bitmap 6 to which a generation time matching the generation time acquired by the input unit 10 is assigned is selected.

The steps after step S120 are the same as those of each step shown in FIG.

Summarizing the above, the event transmission device 102 in the third embodiment further includes a bitmap storage unit 80. The superimposing unit 50 generates a bitmap 6 corresponding to the superimposing image 5 each time the superimposing image 5 is generated. The bitmap storage unit 80 stores a plurality of bitmaps 6 generated by the superimposition unit 50 at different timings. The event transmission unit 20 selects one bitmap 6 for selecting a destination virtual machine from a plurality of bitmaps 6 based on a predetermined selection condition.

With such a configuration, even if the communication time between the event transmission device 102 and the touch panel 120 is longer than the display update interval of the display 110, the event transmission device 102 accurately sets the input event to the appropriate virtual machine. Send to.

Further, the event transmission device 102 in the third embodiment further includes a time acquisition unit 70 for acquiring time information. The superimposition unit 50 adds time information to the superimposition image 5 and the bitmap 6 as the generation time each time the superimposition image 5 and the bitmap 6 are generated. The input unit 10 acquires the generation time assigned to the superimposed image 5. The predetermined selection condition is a condition related to the generation time acquired by the input unit 10 and the generation time assigned to each bitmap 6 stored in the bitmap storage unit 80.

With such a configuration, even if the communication time between the event transmission device 102 and the touch panel 120 is longer than the display update interval of the display 110, the event transmission device 102 accurately sets the input event to the appropriate virtual machine. Send to.

<Embodiment 4>
The event transmission device and the event transmission method according to the fourth embodiment will be described. The fourth embodiment is a subordinate concept of the first embodiment. The event transmission device according to the fourth embodiment includes each configuration of the event transmission device 100 shown in the first embodiment. The description of the configuration and operation similar to any one of the first to third embodiments will be omitted. The event transmission device according to the fourth embodiment solves the same problems as the third embodiment.

FIG. 18 is a block diagram showing the configuration of the event transmission device 103 according to the fourth embodiment.

The superimposing unit 50 in the fourth embodiment is a bitmap 6, that is, a superimposing image including information on the correspondence between the coordinates of one drawing layer 2 for drawing one pixel 7 of the superimposing image 5 and the coordinates of the one pixel 7. Generate 5.

The display control unit 60 controls the display 110 to display the superimposed image 5. However, the display control unit 60 controls to display the superimposed image 5 by ignoring the bitmap 6 included in the superimposed image 5. That is, the display control unit 60 ignores the area in which the drawing layer number is embedded, that is, considers that the value is 0.

The input unit 10 has a layer information acquisition unit 11. The input unit 10 acquires the superposed image 5 generated by the superimposing unit 50 by receiving the input event. Here, the input unit 10 acquires the superimposed image 5 from the display control unit 60. Further, the drawing layer number corresponding to the touch coordinates is acquired from the layer information acquisition unit 11 and output to the event transmission unit 20.

The layer information acquisition unit 11 acquires the touch coordinates included in the input event and the superimposed image 5. The layer information acquisition unit 11 identifies the drawing layer 2 from which the image in the touch coordinates is derived based on the bitmap 6 included in the superimposed image 5.

The event transmission unit 20 transmits an input event to the virtual machine corresponding to the drawing layer 2 specified by the layer information acquisition unit 11.

Each function of the superimposition unit 50, the display control unit 60, the input unit 10, the layer information acquisition unit 11, the layer configuration storage unit 40, and the event transmission unit 20 in the fourth embodiment is realized by, for example, the SoC 130 shown in FIG. NS.

FIG. 19 is a flowchart showing the operation of the input unit 10 in the fourth embodiment.

In step S200, the input unit 10 acquires the touch coordinates in which the input event is input.

In step S210, the input unit 10 acquires the superimposed image 5 including the bitmap 6.

In step S220, the layer information acquisition unit 11 acquires the drawing layer number based on the touch coordinates and the bitmap 6 included in the superimposed image 5.

In step S230, the input unit 10 outputs the touch coordinates and the drawing layer number.

FIG. 20 is a flowchart showing the operation of the event transmission device 103 and the event transmission method according to the fourth embodiment.

In step S102, the event transmission unit 20 acquires the touch coordinates and the drawing layer number.

The steps after step S130 are the same as those of each step shown in FIG. 13 in the second embodiment.

Summarizing the above, the input unit 10 of the event transmission device 103 according to the fourth embodiment includes the layer information acquisition unit 11 that acquires the bitmap 6 from the superimposed image 5 by receiving the input event. The event transmission unit 20 transmits an input event to the transmission destination virtual machine based on the bitmap 6 acquired by the layer information acquisition unit 11.

With such a configuration, even if the communication time between the event transmission device 103 and the touch panel 120 is longer than the display update interval of the display 110, the event transmission device 103 accurately sets the input event to the appropriate virtual machine. Send to.

<Embodiment 5>
The event transmission device, the information processing device, the information processing system, and the event transmission method according to the fifth embodiment will be described. The event transmission device according to the fifth embodiment includes each configuration of the event transmission device 100 shown in the first embodiment. The same configuration and operation as any of the first to fourth embodiments will be omitted.

The event transmission device shown in any of the second to fourth embodiments realizes the above-mentioned functions for a plurality of virtual machines 30 operating on one hypervisor 140. The hypervisor 140 is built in one SoC130. On the other hand, the event transmission device according to the fifth embodiment realizes the above functions for a plurality of virtual machines 30 operating on the hypervisor 140 constructed in each of the plurality of SoC 130s. The plurality of SoC 130s are separately provided as an event transmission device and an information processing device different from the event transmission device.

FIG. 21 is a block diagram showing the configurations of the event transmission device 104, the information processing device 150, and the information processing system 200 according to the fifth embodiment.

The information processing system 200 includes an event transmission device 104 and an information processing device 150 connected to the event transmission device 104 via a network.

As shown in each embodiment, the event transmission device 104 includes a superimposition unit 50, a display control unit 60, an input unit 10, a layer configuration storage unit 40, and a plurality of virtual machines 30. Further, the event transmission device 104 in the fifth embodiment has a first event transmission unit 20A as the event transmission unit 20. In addition, the event transmission device 104 further includes a first communication unit 90A. Further, the plurality of virtual machines 30 of the event transmission device 104 include the first virtual machine 301 to the K virtual machine 30K. Here, K satisfies the relationship of K> 1.

The information processing device 150 includes a second communication unit 90B, a second event transmission unit 20B, and a plurality of virtual machines 30. The plurality of virtual machines 30 of the information processing device 150 include the Mth virtual machine 30M to the Nth virtual machine 30N. Here, M satisfies the relationship of M = K + 1, and N satisfies the relationship of N> M.

The first communication unit 90A communicates with the information processing device 150 via the network to exchange data. The first communication unit 90A transmits an input event to the information processing device 150. In addition, the first communication unit 90A receives each drawing layer 2 including an image drawn by each virtual machine 30 of the information processing device 150.

The superimposition unit 50 superimposes the plurality of drawing layers 2 corresponding to the plurality of virtual machines 30 of the event transmission device 104 and the plurality of drawing layers 2 corresponding to the plurality of virtual machines 30 of the information processing device 150 on each other. The superimposed image 5 is generated.

The layer configuration storage unit 40 stores the layer configuration relationship. FIG. 22 is a diagram showing an example of the layer configuration relationship in the fifth embodiment. The layer configuration relationship is a table in which the drawing layer number, the virtual machine used, and the device used are associated with each other. The used device is a device on which the used virtual machine operates. The device used here is an event transmission device 104 or an information processing device 150. In FIG. 22, the first drawing layer 2A represented by the drawing layer number “1” corresponds to the second virtual machine 302 operating in the event transmission device 104. Alternatively, for example, the second drawing layer 2B represented by the drawing layer number “2” corresponds to the Mth virtual machine 30M operating in the information processing device 150.

The first event transmission unit 20A identifies one drawing layer 2 from which the image of the region corresponding to the touch coordinates is derived, based on the touch coordinates and the bitmap 6. The first event transmission unit 20A specifies a transmission destination virtual machine and a transmission destination device corresponding to one drawing layer 2 based on the layer configuration relationship. When the destination virtual machine is a virtual machine operating on the event transmission device 104, the event transmission device 104 transmits an input event to the transmission destination virtual machine. When the destination virtual machine is a virtual machine operated by the information processing device 150, the event transmission device 104 transmits an input event to the information processing device 150 via the first communication unit 90A.

The second communication unit 90B communicates with the event transmission device 104 via the network to exchange data. The second communication unit 90B transmits each drawing layer 2 including an image drawn by each virtual machine 30 of the information processing device 150 to the event transmission device 104. Further, the second communication unit 90B receives an input event from the event transmission device 104.

The second event transmission unit 20B transmits an input event to the transmission destination virtual machine among the plurality of virtual machines 30 included in the information processing device 150.

Each function of the superimposition unit 50, the display control unit 60, the input unit 10, the layer configuration storage unit 40, the first event transmission unit 20A, and the first communication unit 90A in the fifth embodiment is performed by, for example, the SoC 130 shown in FIG. It will be realized. Further, the information processing device 150 also has the same hardware configuration as the SoC 130. Each function of the second communication unit 90B and the second event transmission unit 20B is realized by the SoC.

FIG. 23 is a flowchart showing an operation of generating a superposed image by the superimposing unit 50 in the fifth embodiment.

In step S5A, the superimposing unit 50 acquires an image drawn by each virtual machine 30 of each device and a layer configuration relationship. At that time, the superimposing unit 50 acquires an image drawn by each virtual machine 30 of the information processing device 150 via the second communication unit 90B and the first communication unit 90A, and the virtual machine used from which the image is derived. Obtain information to identify the machine and equipment used.

In step S6A, the superimposing unit 50 writes the image on the drawing layer corresponding to each virtual machine 30 and each device used from which each image is derived with reference to the layer configuration relationship.

In step S7A, the superimposing unit 50 superimposes a plurality of drawing layers to generate a superposed image 5. By the above steps, the superimposed image 5 is generated.

FIG. 24 is a flowchart showing a bitmap generation operation by the superimposing unit 50 in the fifth embodiment.

Step S10 is the same as step S10 shown in FIG.

In step S20, the superimposing unit 50 acquires the superimposing image 5.

Steps S30 to S90 are the same as each step shown in FIG. Each step from step S40 to step S70 is repeatedly executed by the number of the plurality of drawing layers 2. In the fifth embodiment, the number of the plurality of drawing layers 2 is the number of the plurality of virtual machines 30 (= K) in the event transmission device 104 and the number of the plurality of virtual machines 30 in the information processing device 150 (= (N). It corresponds to the total number (= N) of −M) +1).

FIG. 25 is a flowchart showing the operation of the event transmission device 104 and the event transmission method according to the fifth embodiment.

Steps S100 to S130 are the same as each step shown in FIG. However, in the fifth embodiment, steps S110 to S130 are executed by the first event transmission unit 20A.

In step S141, the first event transmission unit 20A selects a transmission destination virtual machine and a transmission destination device based on the drawing layer number and the layer configuration relationship. The destination device is a device that includes a destination virtual machine.

In step S151, the first event transmission unit 20A determines whether or not the transmission destination device is the event transmission device 104. When the first event transmission unit 20A determines that the transmission destination device is not the event transmission device 104, step S152 is executed. When the first event transmission unit 20A determines that the transmission destination device is the event transmission device 104, step S153 is executed.

In step S152, the first event transmission unit 20A transmits the input event and the information of the transmission destination virtual machine to the information processing device 150 via the first communication unit 90A.

In step S153, the first event transmission unit 20A transmits an input event to the transmission destination virtual machine included in the event transmission device 104.

FIG. 26 is a flowchart showing the operation of the information processing device 150 and the event transmission method according to the fifth embodiment.

In step S300, the second event transmission unit 20B acquires the information of the input event and the transmission destination virtual machine via the second communication unit 90B.

In step S310, the second event transmission unit 20B transmits an input event to the transmission destination virtual machine.

The event transmission device 104 may have the configurations shown in the third and fourth embodiments, respectively. Further, the plurality of SoC 130s described above are separately provided in the event transmission device 104 and the information processing device 150 different from the event transmission device 104, but are included in one event transmission device. May be good. Further, the information processing device 150 may be a second event transmission device. The information processing system 200 may include two or more information processing devices.

Summarizing the above, in the event transmission device 104 according to the fifth embodiment, the plurality of drawing layers 2 provided corresponding to each of the plurality of virtual machines 30 are input to the superimposed image 5 superimposed on each other. Based on the correspondence between the input unit 10 that receives the event and the one drawing layer 2 from which the image at each position is derived from the plurality of positions in the superimposed image 5, the input event in the superimposed image 5 among the plurality of virtual machines 30 A first event transmission unit 20A that transmits an input event to a destination virtual machine that is one virtual machine corresponding to an input position, and a first communication unit that transmits an input event to an information processing device 150 via a network. Includes 90A and.

With such a configuration, the event transmission device 104 can appropriately transmit the input event to the virtual machine operating in the device other than the event transmission device 104.

Further, the information processing device 150 according to the fifth embodiment is connected to the event transmission device 104 that transmits an input event to one of the plurality of virtual machines 30 operating on the hypervisor 140 via a network. Received by the second communication unit 90B and the second communication unit 90B that receive input events via the network from the plurality of virtual machines 30 operating on the hypervisor 140 and the first communication unit 90A of the event transmission device 104. The second event transmission unit 20B for transmitting the input event to the transmission destination virtual machine is included.

With such a configuration, even if the information processing device 150 does not have the functions corresponding to the input unit 10 and the superimposition unit 50 of the event transmission device 104, the input event can be transmitted to an appropriate virtual machine. can.

Further, the information processing system 200 according to the fifth embodiment is composed of an event transmission device 104 that transmits an input event to one of a plurality of virtual machines 30 operating on the hypervisor 140, an event transmission device 104, and a network. The information processing device 150 to be connected is included. The event transmission device 104 includes an input unit 10 in which a plurality of drawing layers 2 provided corresponding to each of the plurality of virtual machines 30 receive an input event input to the superimposed image 5 superimposed on each other, and a superimposed image. Based on the correspondence between the plurality of positions in 5 and the one drawing layer 2 from which the image at each position is derived, one of the plurality of virtual machines 30 corresponds to the input position of the input event in the superimposed image 5. A first event transmission unit 20A for transmitting an input event to a virtual machine at a certain transmission destination and a first communication unit 90A for transmitting an input event to the information processing device 150 via a network are included. The information processing device 150 includes a plurality of virtual machines 30 operating on the hypervisor 140, a second communication unit 90B that receives an input event from the first communication unit 90A of the event transmission device 104 via a network, and a second communication unit 90B. The second event transmission unit 20B for transmitting the input event received by the communication unit 90B to the transmission destination virtual machine is included.

With such a configuration, the information processing system 200 can appropriately transmit the input event to the virtual machine operating in the device other than the event transmission device 104. Further, the information processing system 200 transmits an input event to an appropriate virtual machine even when the information processing device 150 does not have a function corresponding to the input unit 10 and the superimposition unit 50 of the event transmission device 104. be able to.

<Embodiment 6>
The event transmission device, the display 110, and the touch panel 120 shown in each of the above embodiments are mounted on, for example, a vehicle. Alternatively, for example, the event transmission device can be applied to a system constructed by appropriately combining a navigation device, a communication terminal, a server, and the functions of applications installed in the navigation device. Here, the navigation device includes, for example, a PND (Portable Navigation Device) and the like. Communication terminals include, for example, mobile terminals such as mobile phones, smartphones and tablets.

FIG. 27 is a block diagram showing a configuration of an event transmission device 100 and a device that operates in connection with the event transmission device 100 according to the sixth embodiment.

An event transmission device 100, a plurality of virtual machines 30, and a communication device 160 are provided in the server 300. The event transmission device 100 acquires an input event from the touch panel 120 provided on the vehicle 1 via the communication device 170 and the communication device 160. The event transmission device 100 executes the processing shown in each embodiment and transmits an input event to the transmission destination virtual machine. In addition, the destination virtual machine performs processing based on the input event. The result related to the processing may be output to the display 110 via the superimposition unit 50 and the display control unit 60 of the event transmission device 100.

By arranging the event transmission device 100 on the server 300 in this way, the configuration of the in-vehicle device can be simplified.

Further, some of the functions or components of the event transmission device 100 may be provided in the server 300, and some of the other components may be provided in the vehicle 1 in a distributed manner.

In the present invention, each embodiment can be freely combined, and each embodiment can be appropriately modified or omitted within the scope of the invention.

Although the present invention has been described in detail, the above description is exemplary in all aspects and the present invention is not limited thereto. It is understood that innumerable variations not illustrated can be assumed without departing from the scope of the present invention.

2 drawing layer, 5 superimposed image, 6 bitmap, 7 pixels, 10 input unit, 11 layer information acquisition unit, 20 event transmission unit, 20A 1st event transmission unit, 20B 2nd event transmission unit, 30 virtual machine, 40 layers Configuration storage unit, 50 superimposition unit, 60 display control unit, 70 time acquisition unit, 80 bitmap storage unit, 90A first communication unit, 90B second communication unit, 100 event transmitter, 110 display, 120 touch panel, 140 hypervisor , 150 information processing device, 200 information processing system.

Claims (11)

An event transmitter that sends input events to one of multiple virtual machines running on the hypervisor.
An input unit in which a plurality of drawing layers provided corresponding to each of the plurality of virtual machines receive the input event input to the superimposed image superimposed on each other, and an input unit.
Based on the correspondence between the plurality of positions in the superimposed image and one drawing layer from which the image at each of the positions is derived, one of the plurality of virtual machines corresponding to the input position of the input event in the superimposed image. An event transmitter that sends the input event to the destination virtual machine, which is a virtual machine,
A superimposing portion that superimposes the plurality of drawing layers and generates the superposed image and the correspondence relationship.
Comprising a storage unit, a
Each time the superposed image is generated, the superimposing unit generates the corresponding relationship corresponding to the superposed image.
The storage unit stores a plurality of correspondences generated by the superimposing unit at different timings.
The event transmission unit, based on a predetermined selection condition, the plurality of the destinations one correspondence between you select an event transmission unit for selecting a virtual machine from the correspondence. Each of the superimposed image and the plurality of drawing layers contains a plurality of pixels.
The superimposed image is an image in which the plurality of drawing layers are superimposed for each of the plurality of pixels.
The event transmission device according to claim 1, wherein a unit of each pixel is applied as each position of the superimposed image, which is a unit of correspondence in the correspondence. As the correspondence relationship, the superimposing unit generates a bitmap in which the coordinates of one pixel in the superimposing image and the one drawing layer from which the image of the one pixel is derived are associated with each other.
The event transmission device according to claim 2, wherein the event transmission unit transmits the input event to the transmission destination virtual machine based on the bitmap. The superimposing unit generates the superimposing image including the bitmap, and generates the superimposing image.
The event transmission device according to claim 3, wherein the event transmission unit transmits the input event to the transmission destination virtual machine based on the bitmap included in the superimposed image. Each of the plurality of drawing layers contains transparency information at each of the plurality of pixels.
The superimposing portion determines the superimposing image and the superimposing layer from which the image of the one pixel is derived based on the transparency information and a predetermined threshold value for transparency. The event transmission device according to claim 3, which generates a bitmap. Each of the plurality of drawing layers further includes color information at each of the plurality of pixels.
When the transparency information of the one pixel in the one drawing layer is transparent and the color information is a specific color, the superimposing portion includes the coordinates of the one pixel and the one drawing layer. The event transmission device according to claim 5, which generates the bitmap associated with the above. It also has a time acquisition unit that acquires time information.
Each time the superimposition unit generates the superimposition image and the correspondence relationship , the superimposition unit adds the time information to the superimposition image and the correspondence relationship as a generation time.
The input unit acquires the generation time given to the superimposed image, and obtains the generation time.
The predetermined selection condition is a condition related to the generation time acquired by the input unit and the generation time given to each of the corresponding relationships stored in the storage unit. The event transmission device according to claim 1. The input unit is
A layer information acquisition unit that acquires the bitmap from the superimposed image by receiving the input event is included.
The event transmission device according to claim 4, wherein the event transmission unit transmits the input event to the transmission destination virtual machine based on the bitmap acquired by the layer information acquisition unit. The event transmission device according to claim 1, further comprising the plurality of virtual machines operating on the hypervisor. The event transmission device according to claim 1, further comprising a communication unit that transmits the input event via a network to an information processing device including the plurality of virtual machines operating on the hypervisor. An event transmission method that sends an input event to one of multiple virtual machines running on the hypervisor.
A plurality of drawing layers provided corresponding to each of the plurality of virtual machines receive the input event input to the superimposed image superimposed on each other.
Based on the correspondence between the plurality of positions in the superimposed image and one drawing layer from which the image at each of the positions is derived, one of the plurality of virtual machines corresponding to the input position of the input event in the superimposed image. Send the input event to the destination virtual machine, which is a virtual machine ,
The plurality of drawing layers are superimposed to generate the superimposed image and the correspondence relationship.
Each time the superimposed image is generated, the corresponding relationship corresponding to the superimposed image is generated.
Memorize multiple correspondences generated at different timings,
An event transmission method for selecting one correspondence relationship for selecting a destination virtual machine from the plurality of correspondence relationships based on a predetermined selection condition.

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