CN1289991A - Instantaneous division control and configuration of 3D picture - Google Patents

Abstract

An instantaneous 3D division controller for picture box features use of two triangular data attribute buffers and picture box dividing control mode to divide the picture box on screen into M parts. The triangle displayed by each part is provided by a triangular data attribute buffer to raise the processing effeciency of 3D image.

Description

Instant three-dimensional picture frame is cut apart the control configuration

The present invention is relevant three-dimensional picture technique for displaying field, refers to a kind of configuration that picture frame is cut apart the 3 D image processor of control that has especially.

Enhancement along with the computer processing speed, the technical development of computer graphic is also entered the application of 3-D view by two dimensional image, and in the demonstration of three-dimensional computer figure, be as shown in Figure 3,3-D view 31 to display is combined by most triangle patterns 32, therefore, when desiring in the display frame of a computer system, to show 3-D view, please refer to shown in Figure 4, be with how much (Geometry) and attribute (Attribute) data of the triangle pattern of correspondence (X for example by CPU (central processing unit) (CPU) 41, Y, the coordinate values of Z and R, G, the B color-values) reads by storer 45, and see through bus 42 and it is write to graphic process unit 43, or with the mode of direct memory access (DMA) (DMA) should how much and attribute data be sent to graphic process unit 43, obtain actual triangle pattern again by these graphic process unit 43 computings, and this triangle pattern is shown on the display screen 44 of computer system to show three-dimensional image.

And in the processing of known graphic process unit, then shown in the functional block diagram of Fig. 5, it is to transmit leg-of-mutton geometry and attribute data from a dma controller 51, and the data that this transmitted via the processing of a painted controller (Rendering Controller) 53 to calculate the color of triangle pattern, again by the processing of a picture frame buffer control unit 54 to calculate the triangle pattern of the reality of representing 3-D view, and this 3-D view writes picture frame impact damper 55 (Frame Buffer at last, comprise depth value impact damper Z-buffre) among, content with picture frame impact damper 55 is presented on the display screen again, and is able to 3-D view is showed.

When showing 3-D view with aforementioned known graphic presentation framework, owing to be 3-D view so that picture frame impact damper 55 stores and the display data amount is huge, therefore, need sizable storer to constitute this picture frame impact damper 55, and if the desired resolution of system is high more, when color enriches more, required memory span is just big more, so at (the System On Chip of single wafer system, SOC) under the integrated circuit (IC) design trend and the considering of cost, though picture frame impact damper 55 whether embedded (Embedded) in the wafer of graphic process unit, the burden of its cost and design is all quite heavy.In addition, graphic process unit is also wanted (Real-time) display graphics immediately, only being subject to the handled triangle of its hardware circuit is that branch is on whole picture frame picture (being display screen), so its treatable triangle number is to be a fixed value, so its limit is arranged on usefulness, and can't comply with actual needs and the usefulness of elasticity control graphic process unit.

Again under the considering of taking into account cost and usefulness, another kind of known three-dimensional picture processing mode is for as shown in Figure 6, it also is to transmit leg-of-mutton geometry and attribute data from a dma controller 61, the data that this transmitted then is temporary in a triangle information attribute impact damper 62, and respectively via the processing of a painted controller 63 and one scan line buffer control unit 66 color and actual triangle pattern to calculate triangle pattern, utilize two scan line buffer devices (Scan LineBuffer) 64 again, 65 store in order to be shown in the triangle data of the horizontal scanning line on the display screen, wherein, a scan line buffer device 64 is as the usefulness of describing next bar sweep trace of scan image, another scan line buffer device 65 is the usefulness of the now positive sweep trace of display image on display screen of conduct then, and this two scan line buffers device 64,65 function action is alternately switched, and scans one by one and is shown on the display screen with the triangle pattern of 3-D view that institute's desire is shown.Can exempt the demand of huge picture frame impact damper and depth value comparison impact damper with the graphics process framework of this kind improvement, precisely because if want the instant playback 3-D view, 64,65 the triangle numbers that can handle and show of each scan line buffer device have its restriction, and being difficult to promote the usefulness of graphic process unit, therefore aforesaid graphic process unit framework is real to give improved necessity.

The inventor whence, is urgently thought a kind of instant three-dimensional picture frame that can address the above problem and is cut apart the control configuration originally in the spirit of positive invention because of in this, and several times research experiment is eventually to the invention of finishing this novel progress.

The objective of the invention is is providing a kind of instant three-dimensional picture frame to cut apart the control configuration, to promote the also usefulness of elasticity control graphic process unit.

For reaching aforesaid purpose, instant three-dimensional picture frame of the present invention is cut apart the control configuration and is had two triangle information attribute impact dampers, one picture frame is cut apart controller and one scan line snubber assembly, these two triangle information attribute impact dampers are in order to receive and to store the triangle data of 3-D view to display, it is that a picture frame corresponding to this display screen is divided into picture frame at least two times that this picture frame is cut apart controller, picture frame is in order to show the stored 3-D view of a triangle information attribute impact damper each time, this scan line buffer device is in order to store the triangle pattern by the triangle data computing gained of these two triangle information attribute impact dampers, and it is presented in the corresponding inferior picture frame, wherein, these two triangle information attribute impact dampers are alternately in order to its triangle data is shown in regular turn these two times picture frame at least.

Wherein when a triangle information attribute impact damper was shown in a picture frame with its triangle data, another triangle information attribute impact damper was to be updated its content.

Wherein this scan line buffer device comprises two scan line buffer devices, is alternately in order to describing next bar sweep trace of scan image, and as the existing sweep trace of positive display image on display screen.

Wherein also include a painted controller to get corresponding color according to the triangle data computing of these two triangle information attribute impact dampers and to write in this scan line buffer device.

Wherein also include one scan line buffer control unit with according to the triangle data computing of these two triangle information attribute impact dampers actual triangle pattern, and it is write in this scan line buffer device.

Wherein also include a direct memory access controller to read the triangle data of representing 3-D view and to be sent to this at least two triangle information attribute impact dampers.

Because the present invention constructs novelty, can provide on the industry and utilize, and truly have the enhancement effect, so apply for a patent in accordance with the law.

For making your juror can further understand structure of the present invention, feature and purpose thereof, the attached now detailed description with graphic and preferred embodiment as after, wherein:

Fig. 1 controls the system architecture diagram that disposes in order to illustrate that instant three-dimensional picture frame of the present invention is cut apart.

Fig. 2 is the effectiveness analysis figure that instant three-dimensional picture frame of the present invention is cut apart the control configuration.

Fig. 3 is the synoptic diagram for a 3-D view and formation thereof.

Fig. 4 is the Organization Chart of demonstration one in order to the computer system of demonstration three-dimensional picture.

Fig. 5 is the functional block diagram for a kind of known 3 D image processor.

Fig. 6 is the functional block diagram for the known 3 D image processor of another kind.

Relevant instant three-dimensional picture frame of the present invention is cut apart a preferred embodiment of control configuration, please please refer to shown in Figure 1 earlier, its be with a dma controller 11 receive that storer 19 from computer system is transmitted and the triangle data of representative 3-D view, or directly receive the triangle data that CPU (central processing unit) 12 is write, and triangle geometry that is received and attribute data are to be temporary in two triangle information attribute impact dampers 131,132.

And considering based on frequency range, operating speed and the cost of graphic process unit, if the treatable triangle number of its each picture frame is 2N, then present embodiment preferably is divided into two parts with this 2N triangle, to should two triangle information attribute impact dampers 131,132, and each triangle information attribute impact damper 13 can receive and store the triangle data of 3-D view to display with respectively.

Instant three-dimensional picture frame of the present invention is again cut apart control configuration and is cut apart controller 15 with a picture frame and will be divided into M time picture frame 141 (M 〉=2) corresponding to the picture frame 14 of display screen, picture frame 141 is in order to show a triangle information attribute impact damper 131 each time, 132 stored 3-D views, and these two triangle information attribute impact dampers 131,132 promptly is alternately its triangle data to be cut apart via this picture frame that controller 15 is handled and in inferior picture frame 141 demonstrations of a correspondence, that is picture frame 1411 is the triangle data that show first triangle information attribute impact damper 131 for the first time, picture frame 1412 is the triangle data that show second triangle information attribute impact damper 132 for the second time, picture frame 1413 shows the triangle data of first triangle information attribute impact damper 131 again for the third time, the 4th picture frame 1414 shows the triangle data of second triangle information attribute impact damper 132 again, the triangle data that shows triangle information attribute impact damper 131 has in this way all shown up to all times picture frames 141 and has finished, again by the picture frame 1411 beginning first time and repeat above-mentioned step display, with the 3-D view instant playback that will be constituted by the triangle data it, again when these two triangle information attribute impact dampers 131,132 one when its triangle data being shown in time picture frame 141, CPU (central processing unit) 12 can utilize this time to upgrade the content of (Update) another triangle information attribute impact damper, with the usefulness of elevator system.

And the triangle data that should cut apart after controller 15 is handled via picture frame is the triangle pattern that obtains corresponding color and reality via the processing of a painted controller 16 and scan line buffer controller 17 with computing respectively, and write in the one scan line snubber assembly 18, and this scan line buffer device 18 is preferably to comprise two scan line buffer devices 181,182, it is alternately in order to describe next bar sweep trace of scan-image, and, use the 3-D view that these triangle patterns are constituted and be showed on the display screen as the existing sweep trace of positive show image on display screen.

The framework of cutting apart control configuration by above-mentioned instant three-dimensional picture frame as can be known, the present invention is divided into two parts with picture frame 14 an accessible 2N triangle, and correspondence is provided with two triangle information attribute impact dampers 131,132, when handling one of them triangle information attribute impact damper when 3 D image processor, CPU (central processing unit) 12 can be upgraded the content of other information attribute impact dampers, cut apart controller 15 with picture frame again picture frame is divided into M time picture frame 141, so that can be, and make whole picture frame 14 can handle M * N triangle by each time picture frame 141 of planning handling and to show N triangle.Therefore, when showing under the situation of 30 picture frames at N=512 and per second, what of the number of cutting apart according to picture frame, can obtain effectiveness analysis figure as shown in Figure 2, it shows that instant three-dimensional picture frame of the present invention cuts apart control configuration and not only can promote the usefulness that 3-D view shows, and the accessible triangle number of whole picture frame can be via bus bandwidth and the clock pulse of planning to comply with graphic process unit, and be able to the usefulness of elasticity control graphic process unit.

To sum up institute is old, and no matter the present invention is all showing it totally different in the feature of known techniques with regard to purpose, means and effect, for the quantum jump that 3 D image processor is made, earnestly asks your juror to perceive, and grants quasi patent early, so that Jiahui society, the true feeling moral just.Only it should be noted that above-mentioned many embodiment give an example for convenience of explanation, the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.

Claims (6)

1. an instant three-dimensional picture frame is cut apart the control configuration, and it is in order to will being shown in by the 3-D view that a plurality of triangle pattern constituted on the display screen, and it is characterized in that, this instant three-dimensional picture frame is cut apart the control configuration and mainly comprised:

Two triangle information attribute impact dampers are in order to receive and to store the triangle data of 3-D view to display;

One picture frame is cut apart controller, is a picture frame corresponding to this display screen is divided into picture frame at least two times, and picture frame is in order to show the stored 3-D view of a triangle information attribute impact damper each time; And

One scan line snubber assembly is in order to the triangle pattern of storage by the triangle data computing gained of these two triangle information attribute impact dampers, and it is presented in the corresponding inferior picture frame;

Wherein, these two triangle information attribute impact dampers are alternately in order to its triangle data is shown in regular turn these two times picture frame at least.

2. instant three-dimensional picture frame according to claim 1 is cut apart the control configuration, it is characterized in that, wherein when a triangle information attribute impact damper was shown in a picture frame with its triangle data, another triangle information attribute impact damper was to be updated its content.

3. instant three-dimensional picture frame according to claim 1 is cut apart the control configuration, it is characterized in that, wherein this scan line buffer device comprises two scan line buffer devices, is alternately in order to describing next bar sweep trace of scan image, and as the existing sweep trace of positive display image on display screen.

4. instant three-dimensional picture frame according to claim 1 is cut apart the control configuration, it is characterized in that, wherein also include a painted controller to get corresponding color according to the triangle data computing of these two triangle information attribute impact dampers and to write in this scan line buffer device.

5. instant three-dimensional picture frame according to claim 4 is cut apart the control configuration, it is characterized in that, wherein also include one scan line buffer control unit with according to the triangle data computing of these two triangle information attribute impact dampers actual triangle pattern, and it is write in this scan line buffer device.

6. instant three-dimensional picture frame according to claim 5 is cut apart the control configuration, it is characterized in that, wherein also include a direct memory access controller to read the triangle data of representing 3-D view and to be sent to this at least two triangle information attribute impact dampers.

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