TW564366B - Device and method for displaying 3D animation in window - Google Patents

Abstract

The present invention provides a device for displaying 3D animation in a window, which is applied in a computer system with a display device, and having an on-screen buffer and two off-screen buffers. The on-screen buffer is used to store the screen data displayed on the display. The off-screen buffer employs the double-buffered architecture, wherein one of them is used to store the image data of the current frame, and the other one is used to store the image data of the next frame in preparation. The image data of the current and next frames both includes a left-eye image data and a right-eye image data. The image data of the current frame is alternatively loaded into the on-screen buffer in a Bitblt manner (bit block transfer) as the screen data for the window. The present invention also discloses a method for displaying 3D animation in a window implemented with the above-mentioned device.

Description

564366 V. Description of the Invention (1) [Field of the Invention] The present invention relates to a device and method for displaying three-dimensional animation, and in particular to a method using a double buffer structure (Double-buf fered

Architecture) and Bitblt (Bit Mapping Conversion, Bit Block

Transfer) method ’is a device and method for displaying three-dimensional moving day in a window. [Knowledge technology] The reason why humans have three-dimensional vision is that human eyes can independently see the external scenes, that is, the left eye sees the scene of the left eye, the right eye sees the scene of the right eye, and there is an angle between the two. The gap between them and then through the natural fusing of the brain, you can present a three-dimensional scene in the brain. 3D Use the same but if you want to be independent, only the left and right eyes of the Viewer can be described. In the beginning, the The creation of 3D stereoscopic images is a benefit ::: 理. Since the daytime surface displayed by the display device is a flat image, the “if vision” must make the images seen by the left and right eyes t 5 respectively. The human decision method is to display the images of the left and right eyes alternately on the display. δ Synchro Shutter Viewer (“η * ———— Plus # t The image of the working eye enters the corresponding eye, so that the left eye can only see the image of the right eye. When the image is detailed, the left eye is blocked. This goes on and on r is open for human vision ^ 3D stereo vision. If you enter the display for your father, you can make observations.

Page 5 564366 V. Description of the invention (2) Please refer to Fig. 5 and Fig. 6-A conventional 3D imaging technique == In memory, two memory block cards of the whole screen size are provided. ^ f stores left-eye image f and right-eye image f. The display device ~ 囟 replaces the D-hidden ghost corresponding to the left-eye image and the right-eye image, that is, one of the memory blocks 51 and 52. The diurnal surface shown in FIG. 5 corresponds to the memory block 51 to display the status of the left eye 3. The one shown in FIG. 6 is the display * The screen displayed by the device is against Ergui = block 52, and the right eye is displayed. The status of the image f material. When the display is not straight: Synchronous Shutter Viewer (Synchronized Shutter 1 ^ Tian 1 " Soil 2 needs to perform the switching action synchronously 'so that the left eye image data only enters the left eye of the messenger and the right eye image data only enters The right eye of a human user. To play 3D 3D animation with the above-mentioned technology, in addition to the electrical softness = the speed of drawing or decoding of each frame in moving day and time, and alternately display the left and right eye image data and In addition to the second question of page frame update, it is still necessary to solve the problem of broadcasting three-dimensional motion in a window environment. Because in the above-mentioned conventional technology, the i-plane displayed by the display device = ^ corresponds to the video memory. Different blocks, so when playing 3-0 stand-in, say, there must be no other windows or images on the screen. The size of the mother and frame of the moving picture must be full screen. The limitation of the full-screen display of the Perch in February is that it cannot be used in combination with other applications or purposes. For example, the use of computer-aided design (M ,, i_ / computer Alded Design) to develop and improve new cars, which: ,,, , The running of the vehicle 3 D stereoscopic animation process, engineers only; Wu proposed parameters are input, start the simulation, the computer records the same time

564366 V. Description of the invention (3) The numerical values of various performances are analyzed at the same time as the simulation is completed and the parameters are adjusted to re-simulate the 3D three-dimensional dynamic day simulation. At the same time, the window is used to analyze the simulation data and the values are immediately updated. It takes time. After accelerating the new technology, the analysis software will be used by engineers. If the monitoring software can be opened in the window at the same time, the analysis software can be used to adjust the simulation day and time of the simulation parameters. This will greatly reduce the speed of mold development. . As mentioned above, how to provide a device and method for displaying stereoscopic animations in windows so that users can simultaneously open 21) displaying 43D stereoscopic daylight windows, or even multiple 3D stereoscopic animation windows, is a lesson that needs to be solved at present [Summary of Invention] In view of the above problems, an object of the present invention is to provide a device and method for displaying a three-dimensional moving day in a window, which can display three-dimensional animation image data in a separate window of a window operating system. To achieve the above-mentioned object, the present invention provides a device for displaying stereoscopic animation in a window, which is implemented in a computer system with a display device, and includes a screen display buffer (On-screerl Buffer), Off-screen buffer and a Stereo Window Controller. The screen display buffer stores the daytime data of the screen displayed on the display device. The off-screen buffer adopts ^ double-buffered architecture, where _ stores the image data of the current frame and the other-stores the image data of the next frame in preparation. Current page

Page 7 564366 V. Description of the invention (4) The image data in the frame contains a single image, which is based on BUbU (bit mapping :: image data,-right eye image data, and is alternately loaded into the screen display slowly, by β 缓, Biock Pansier's cuboid window controller controls the twilight: as the day and time data of the window. Portrait data, and the left eye; = Which one of the puncher keeps the shadow of the current frame. The BHbU of the display buffer is moved = and the right eye image data is moved to the camp screen display. * For — a kind of three-dimensional moving day in a window Method, the basin system is only applied to a device with a display-octa converter (MC, DlgltVA body controller and-digital type

Analog Converter), * heart and soul, a synchronous fast-track viewing H (Syn plus Qnized Shutt ^ coincident method according to the present invention to display three-dimensional moving day in the window, the current page frame). : = en " :) The image data is stored in one of the two screens, and the next frame of the next page (next frame) is prepared: it is stored in another off-screen buffer. Window: of: a left-eye image and a right-eye image of a three-dimensional image Γ 匡: the left-eye image data and the right-eye image of the Kuang's shirt like shell material are alternately moved to the screen display buffer J Β1 tb 11 In the 'Yi window day surface. Information. Which of the off-screen buffers is stored as visual image data, and Bitblt's movement is controlled by a three-dimensional window: f frame. _ Controlled by the k-state. Due to the device for displaying three-dimensional moving day in a window according to the present invention and the use of double buffering technology, the processing speed of the three-dimensional moving day image can be increased. A three-dimensional window controller controls the current frame and The next W drag j again, and, only t's position 564366

Set and alternately move the left-eye image data and image data in the Bitblt manner, so the image data of the three-dimensional animation can be stored in individual windows of the window operating system. 'And the right eye shadow are shown in the fifth, the description of the invention (5) [Detailed description of the preferred embodiment] The following will describe the device and three-dimensional moving day in a window according to the preferred embodiment of the present invention with reference to related drawings. Method, in which the same elements will be described with the same reference symbols. Please refer to FIG. 1. According to a preferred embodiment of the present invention, the device is displayed in a window: a device for stereo animation includes a memory device u and a stereo window controller (Stereo Wmdow Controller) 12, where the memory device n includes a screen display. Buffer (On—screen Buffer) u — ―112 and ii3. Rong Jie 111 stores the daytime data displayed on the display device 17, including the daytime data of the window. q Thinker, the screen data of the window can only be used for the entire screen display buffer erosion; Λ part of the stored data. Still picture in the screen display buffer 111 ;: Other information displayed by the device, such as a window, an image, or a desktop backhaul ^ ^ The preferred embodiment of the present invention is equipped with a device for displaying three-dimensional dynamic daylight in a window. 5 Synchronization Shutter viewer (δγη ^ Γ〇ηΐζΜ Cake 1 Sr. Φ3 is implemented on a computer system with a display device i 7. The computer system J includes a storage device ^, a M drawing deviceΗ,. Thinking control state 1 5 and _ digital analog converter (dac, D 丨 g 丨 ta (

564366 V. Description of Invention (6)

Ana log Converter) 16. The storage device 13 may be any kind of computer-readable data storage such as a hard disk drive, CD ROM (Compact Disc Read Only Memory) or DVDR0M (Digital Video Disc Read Only Memory). Device, image data correspondingly on a hard disk drive, CD (Compact Disc), DVD copy, Digital Video Disc), the storage device 13 via the sink " streaming and each of the computer system 1 Components for data transmission. ;, Fate map! ΓΐPicture set 14 can be a functional module or group on a general display card, a 3D image processing card or other software and hardware with the same function. The self-casting device 13 loads 3D data. " The principle of volume image produces image data with angle = silly case. Another bad left-eye shirt is like lean materials and a right. The memory controller 15 controls the memory step. It can be accepted and interpreted (ιη = 2, the address of the material is stored and moved in the memory device in order to ;; ^ 枓, or write data to the memory device.. Look directly at Bellow analogy The converter 16 transmits the face image information slave 7: At ± ', it will be stored in the screen display buffer 1 1 1-17, and at the same time, it will send a synchronous dagger to the display device 17 Vertical screen change = Synchronous Shutter Viewer 2 'to synchronize the left and right alternate guidance actions. For those who need to pay attention to synchronized Shutter Viewer 2, $ 12 in this embodiment can be used with the above-mentioned 3D drawing device 11 and Stereo window control set to 1, 4, memory controller, 15 and digital

Page 10% Month Description (7) = Converters 16 are installed together on the same circuit board, or integrated on a chip. It does not exceed 屮 Γ to reduce volume and improve work efficiency. Those who are familiar with this technology can come to see the same: In the case of spirit and scope, it is collected in the present invention according to actual needs. Double buffering (Double Buffering) / self fff1 is used to improve the knowledge of data processing. Enter another ~ j first load a buffer, and then load the data after the full load I instead of receiving data #, so, in the -buffer material: = production =; the device can process the data in it, In the case of rapid production & or #receiving speed of receiving data, the double-buffering device is about twice as fast as the earlier one. In the same way, for this embodiment, — 113, the off-screen buffer 112, day :: Yes — off-screen buffers 112 and 55 1 1,, W 112 store the eyes, want to alternately load the screen doctors ^ 口 口 Left and right eye image data, another full-frozen ice pull J "processing the next page according to the other side of the screen outside the buffer 1 1 3 after the storage material processing is completed, = outside the image: f material. Bottom-frame image data Purpose of data processing speed. The roles of, and benefit are interchangeable to improve. The stereo window controller 12 controls the left and right eye image data stored in the off-screen buffer 112 or 113, and the display buffer 1 1 1 Hugh 'and it should now be loaded on the screen. What is the off-screen buffer? The detailed operation process will make the content of the present invention more suitable. Figure 2, Figure 3 and Figure 4 ~ ~ Day & 1 Solution The following will give an example, and three-dimensional moving day brother. In accordance with the preferred embodiment of the present invention, see the window 564366. V. Description of the invention (8) Referring to FIG. 2, in the method of moving the day in three dimensions according to the present invention, step 201 is the second: listed in the video. The image data of Guzhong-Beishi frame) is on the second screen. J = the current page frame (current one is preparing the next page frame (one of the next frame) and the other one of the buffer. Rame) The data is stored off-screen in the present embodiment, and stored in the storage Zuoyuan broadcast project via the bus and transmitted to the 3 "Hui: 3D data or image of the 13D, based on the principle of the three-dimensional image, the 3D drawing device 14 is based on And-the right eye image data 'i writes the difference of the fluorescence-the left eye image data image or the right eye image data address. The left-eye stereo window controller 12 of the external buffer or 113 passes the note-page frame The image data is stored in the farmer: controller 15 and the selection of the buffer outside the curtain after the instruction is processed is determined by the current one, U2 or 113. For example, 'Please refer to FIG. 3 and FIG. 4 When the storage location of the material is off-screen buffer, it is jealous (Λ ^ 目, the frame image data is stored in -The frame image data is stored in the screen external controller 12. The frame image data currently in preparation is stored in Mo ^ f 11 3 (as shown in Figure 4). The window controller 1 2 is being prepared. Bottom — buffer 1 Ϊ 3, stereo viewing buffer 11 2 (as shown in Figure 3). One-frame image data is stored off-screen. Step 202 uses Bitblt (bit other

Transfer) method, alternately, shooting conversion, Bit Block eye image data and right eye image data are transferred, and the memory area corresponding to the left window day image in the frame image data is transferred to the screen display buffer 1 11 One of the window screen data stored in 111. From the display buffer, ',. Take the situation shown in Figure 3 as an example. Page 12 564366 V. Description of the invention (9) Because the left-eye image data outside the buffer 113 of the current frame, the three-dimensional damage / right-eye image data is stored in the off-screen buffer The left eye image data in the device 11 3: The controller 12 will send a screen to move the screen. I, ~ ~ The request for image data like right-eye and right eye to the screen display buffer buffer 111 is given to the memory control unit. In the example of gastric needle to fluorescein, the stereo window controller 12 will consider the apparent retrace action when performing the above-mentioned Bitblt action, and the vertical homing (vertical operation) of the 4th and the 17th rain. For example, the stereo Windows control system makes Bitblt movements between H-scanning movements: Self-control to 12 can send the control signal control signal in the following way: left eye shadow silly 袓 p (^ ^ ΓΛT #J ^ ^ ^ ^ (display device vertical Flyback) ... screen display buffer) control signal · right eye shadow silly (display device from top left to right (display device vertical 4) "screen display buffer"

Control information 5 tiger. Left eye shadow Deshen Ke D ...... such as Behr Bitblt to the screen display buffer so that 'left eye image data and right eye image f material can be displayed correctly without a device' without generating vertical back It may happen that the daytime data in the window in the dry buffer 干 is replaced, whether the data has been processed. If Shang Chong / 2: 3: 'Bottom-frame image and step 202, continue to off-screen ° 1', then return to step 201 the right-eye image data is moved to f screen frequency ° left-eye image data and public participation Not buffering, and buffering off screen

Page 13 564366 Fifth, the invention description (ίο) Preparation of the next page of the box information. That is, if the position of Ruyi is the off-screen buffer i i 2, the stereo: ^ 影! The data sending request is sent to the memory controller. 5. The eye reinforcement data will be replaced by the eye image data and the right eye image data. The left 1Π 0 needle in the image data will be loaded into the screen display buffer. If in step 203, In the middle and the next frame, go to Step 2 04. Set one of the processing completed, "quote has been processed, and set the new frame to be processed to the current page-the image data of the frame has been processed. Current page: body; 2 Figure 4, when the next page frame has been set as the target '-see solid control benefits 1 2 page frame is set as the next page frame. At this time, the box f will send a new processing request to the memory controller 15, and the screen :: window controller 12 will send the right-eye image data to the screen altogether to Bitblt to the screen The page frame image is stored in the camp screen == 冲 器 ⑴ 'and will be judged if the step 2 0 5 is completed, for example, all the page frames have been processed # " issued,-beam instruction, or return to step 201 and 202. Bundle the entire process. If the control is not finished yet: In the entire process, the 'stereoscopic window controller is responsible for coordinating the external buffer & data and " " 1 box is ready to complete or not' to decide whether to switch screen image resources Vertical flyback action to perform left 'right eye shadow :: 枓: action for BltMt to glory display buffer. The display screen of the display device corresponds to the same memory block ’

564366 V. Description of the invention (11) That is, the screen display buffer, and double-buffering architecture is used to speed up the screen processing. A 1, remove the image data quickly in the memory device, this can be achieved by viewing ; Display the purpose of 3D stereo animation. The above description is only exemplary, and is not intended to limit the spirit and scope of the present invention. Anything that does not depart from the beans should be included in the attached patent application. "Enclosure ... Effective modification or change, all are simple illustrations of 564366." [Brief Description of the Drawings] FIG. 1 is an architecture diagram showing a device and a system architecture for displaying a three-dimensional moving day in a window according to a preferred embodiment of the present invention. FIG. 2 is a flowchart showing a method flow of displaying a three-dimensional moving day in a window according to a preferred embodiment of the present invention. FIG. 3 and FIG. 4 are schematic diagrams showing a situation where a 3D three-dimensional moving day is displayed in a window according to a preferred embodiment of the present invention. Fig. 5 and Fig. 6 are schematic diagrams showing a situation where a conventional technique displays a 3D stereoscopic day. [Illustration of Symbols] 1 Computer system 11 Memory device 111 Screen display buffer 112 Off-screen buffer 113 Off-screen buffer 12 Stereo window controller 13 Storage device 14 3D drawing device 15 Memory controller 16 Digital analog converter 17 Display device 2 Synchronous shutter viewers 201 to 205 Steps to display three-dimensional moving day in a window

Page 16 564366 Schematic description 51 Memory block 52 Memory block imi Page 17

Claims (1)

564366 6. Scope of patent application1. A device for displaying three-dimensional moving day in a window, which is implemented in a computer system with a display device, and includes a screen display buffer (On-screen Buffer), which is stored Displayed on one screen of the display device, day screen data, the screen day screen data includes a window day screen data; and one of the dual buffer architecture (Doubie-buffered Architecture), an off-screen buffer (Off —screen Buffer), One of the off-screen buffers stores image data of a current frame, and the other of the off-screen buffers stores image data of a next frame in preparation. The image data of the current frame and the image data of the next page frame include a left-eye image data and a right-eye image data, respectively, and the left-eye image data and the The right eye is alternately transferred from one of the off-screen buffers to the screen display buffer by Bitblt (BU Bl () ck Transfer). As the window screen data. Which of the three-dimensional moving day devices is expected to be in the right 2 · As described in the first patent application scope of the window device, it also includes: Controlling these off-screen buffers' and the left-eye image as 0, a three-dimensional Window controller, which stores the image data of the current frame, Bitb 11 of the image data, and moves 3. Display the three-dimensional animation in the window as described in item 2 of the scope of patent application 564366 The device further includes: a 3D drawing device and the right-eye image data, which prepares the left-eye image data of the next page frame, as shown in item 3 of the declared patent scope, displaying a three-dimensional moving day in the window: The three-dimensional window controller judges according to the signal of the 3D drawing device, whether the left-eye image data and the right-eye image data of the next page frame are ready to be converted to control which of the off-screen buffers stores the current Framed image data. 5 · The device for displaying three-dimensional moving day in a window as described in item 2 of Shengu's patent scope, further comprising: a memory controller that performs the left-eye image data and the according to the signal of the three-dimensional window controller. B i tb 丨 t of right-eye image data is moved to 0 6 · The device for displaying stereoscopic animation in a window as described in item 1 of the scope of patent application, wherein the stereoscopic window controller further considers the vertical retrace of the display device ( vertical retrace) to control the Bi tbl t of the left-eye image data and the right-eye image data. Person 7 · The device for displaying a three-dimensional moving book in a window as described in item 1 of the scope of patent application, further including: 564366 92: A method for displaying three-dimensional dynamic daylight in a window, which is implemented in a computer system with an ancient display device, including:, image data with storage-current page frame buffered on two screens-and a preparation The image data of the middle and lower page frames are on the off-screen screens. 2: The off-screen buffers in the middle screens adopt a double-buffering structure. ：: Right-eye image data; and, Jie Baiji and BitbU alternately use the left-eye image data and the right-eye image data of the current frame image data by one of these buffers outside the screen Move to the screen display buffer as one of the daytime data of the window stored in the screen display buffer. 10. The method for displaying a three-dimensional moving day in a window as described in item 9 of the scope of the patent application, further comprising: considering the vertical retrace action of the display device to perform B i of the left-eye image data and the right-eye image data tb 11 moved. 11 · Displaying 3D animation in a window as described in item 9 of the scope of patent application Page 20 564366 6. Method of applying for a patent, in which of these off-screen buffers stores the image data of the current frame, and the left-eye image data and the right-eye image data Controlled by a stereo window controller. 1 1 2 · The method for displaying a three-dimensional dynamic search in a window as described in item 11 of the declared patent scope, wherein the three-dimensional window controller is based on the 1 left-eye image data and the right-eye image data of the next page frame Whether it is ready to complete and control which of these off-screen buffers store the image data of the current frame. 1 3 · The method for displaying a three-dimensional moving day in a window as described in item 9 of the scope of the patent application, further comprising: processing the 3D data of the lower page frame into a left-eye image with a 3D drawing device > Expected a right eye image data. 1 4 · The method for displaying three-dimensional moving day in a window as described in item 9 of the scope of patent application, further including: 'When the next page frame image data is processed, set the processed next page frame to The current page frame, and a new frame to be processed is set as the next frame. 15. The method for displaying a three-dimensional animation in a window as described in item 9 of the scope of the patent application, further comprising: »> ^ ^ & 彳 gold data and the right side with a synchronous shutter watching piano alternately guide the left eye '^ The eye image data enters the left and right eyes of the viewer, respectively. 564366 VI. Scope of patent application 1 6. —A kind of display card, which is applied to a display with a display for displaying three-dimensional dynamic day and night in the video and display ^ ^-Camp screen display is slow, including: screen daytime data, the The display of the screen is not displayed on the display device.-Double buffer frame is included-the daylight data of the window; one of the devices stores a current page * "one buffer outside the screen, the other buffer outside the screen is stored in preparation: The image data disk of the page frame of the buffer of the second material "Mao Rong": the bottom; the image data of the f frame, the current eye image data and the right eye shadow silly in Zhongzhong | ^ Left Zhongjin Jindan p Dan / Next time ^ like the image data of the frame of the 枓 目 mesh, ^ ο Zuo Gen shirt like the shell material and the right eye image data is replaced by the off-screen buffer-Bitblt f to the screen display buffer; As the daytime data of the window; Mouth-3D drawing device i 'prepares the left and right eye image data of the next page frame; ~ like a memory controller that performs the left eye image Bi tbit movement of the data and the right-eye image data; and X-dimensional A window controller that controls which of the off-screen buffers stores the image data of the current frame, and the Bi tbit movement of the left-eye image data and the right-eye image data, and according to the 3D drawing farm signal Determine whether the left-eye image data and the right-eye image data of the next page frame are ready to be completed. '1 7 · The display card as described in item 16 of the scope of patent application, wherein the stereoscopic view is on page 22 564366 6. The scope controller of the scope of patent application further considers the vertical retrace action of the display device to control the left-eye image The data and the right eye image data of Bi tb 11 were moved. 18. The display card as described in item 16 of the scope of patent application, wherein the screen display buffer and the off-screen buffers are different memory blocks in a memory device. Page 23