CA1316271C - Apparatus for rapidly clearing the output display of a computer system - Google Patents
Apparatus for rapidly clearing the output display of a computer systemInfo
- Publication number
- CA1316271C CA1316271C CA000599864A CA599864A CA1316271C CA 1316271 C CA1316271 C CA 1316271C CA 000599864 A CA000599864 A CA 000599864A CA 599864 A CA599864 A CA 599864A CA 1316271 C CA1316271 C CA 1316271C
- Authority
- CA
- Canada
- Prior art keywords
- memory
- information
- frame
- pixel positions
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/024—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour registers, e.g. to control background, foreground, surface filling
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/14—Display of multiple viewports
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/393—Arrangements for updating the contents of the bit-mapped memory
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/399—Control of the bit-mapped memory using two or more bit-mapped memories, the operations of which are switched in time, e.g. ping-pong buffers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/12—Overlay of images, i.e. displayed pixel being the result of switching between the corresponding input pixels
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Image Generation (AREA)
- Digital Computer Display Output (AREA)
- User Interface Of Digital Computer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25495788A | 1988-10-07 | 1988-10-07 | |
US254,957 | 1988-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1316271C true CA1316271C (en) | 1993-04-13 |
Family
ID=22966239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000599864A Expired - Fee Related CA1316271C (en) | 1988-10-07 | 1989-05-16 | Apparatus for rapidly clearing the output display of a computer system |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP2858137B2 (ja) |
KR (1) | KR960003073B1 (ja) |
CA (1) | CA1316271C (ja) |
FR (1) | FR2637706B1 (ja) |
GB (1) | GB2223651B (ja) |
HK (1) | HK98793A (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5061919A (en) * | 1987-06-29 | 1991-10-29 | Evans & Sutherland Computer Corp. | Computer graphics dynamic control system |
US5050102A (en) * | 1989-04-28 | 1991-09-17 | Sun Microsystems, Inc. | Apparatus for rapidly switching between output display frames using a shared frame gentification memory |
US5493637A (en) * | 1992-12-04 | 1996-02-20 | Network Computing Devices, Inc. | Video buffer recycling method and apparatus |
US5519825A (en) * | 1993-11-16 | 1996-05-21 | Sun Microsystems, Inc. | Method and apparatus for NTSC display of full range animation |
US5537156A (en) * | 1994-03-24 | 1996-07-16 | Eastman Kodak Company | Frame buffer address generator for the mulitple format display of multiple format source video |
US6288722B1 (en) | 1996-10-17 | 2001-09-11 | International Business Machines Corporation | Frame buffer reconfiguration during graphics processing based upon image attributes |
JP2976945B2 (ja) * | 1997-09-11 | 1999-11-10 | 日本電気株式会社 | 画像描画装置 |
US7038689B2 (en) | 2002-02-19 | 2006-05-02 | Intel Corporation | Sparse refresh double-buffering |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113950B (en) * | 1982-01-15 | 1986-10-01 | Quantel Ltd | Image composition system |
US4533910A (en) * | 1982-11-02 | 1985-08-06 | Cadtrak Corporation | Graphics display system with viewports of arbitrary location and content |
US4554538A (en) * | 1983-05-25 | 1985-11-19 | Westinghouse Electric Corp. | Multi-level raster scan display system |
GB8320357D0 (en) * | 1983-07-28 | 1983-09-01 | Quantel Ltd | Video graphic simulator systems |
US4559533A (en) * | 1983-11-03 | 1985-12-17 | Burroughs Corporation | Method of electronically moving portions of several different images on a CRT screen |
US4642626A (en) * | 1984-09-17 | 1987-02-10 | Honeywell Information Systems Inc. | Graphic display scan line blanking capability |
JPS61151592A (ja) * | 1984-12-20 | 1986-07-10 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | 表示装置 |
US4755810A (en) * | 1985-04-05 | 1988-07-05 | Tektronix, Inc. | Frame buffer memory |
GB2181928B (en) * | 1985-10-16 | 1989-10-25 | Philips Electronic Associated | Teletext television receivers |
GB2191917A (en) * | 1986-06-16 | 1987-12-23 | Ibm | A multiple window display system |
JPS63118787A (ja) * | 1986-11-07 | 1988-05-23 | 株式会社日立製作所 | 重ね合わせ表示方式 |
GB2214038B (en) * | 1987-10-05 | 1991-07-03 | Int Computers Ltd | Image display system |
-
1989
- 1989-05-16 CA CA000599864A patent/CA1316271C/en not_active Expired - Fee Related
- 1989-05-18 GB GB8911381A patent/GB2223651B/en not_active Expired - Fee Related
- 1989-06-28 FR FR8908612A patent/FR2637706B1/fr not_active Expired - Fee Related
- 1989-08-17 KR KR1019890011709A patent/KR960003073B1/ko not_active IP Right Cessation
- 1989-09-11 JP JP1233064A patent/JP2858137B2/ja not_active Expired - Fee Related
-
1993
- 1993-09-23 HK HK987/93A patent/HK98793A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2858137B2 (ja) | 1999-02-17 |
AU3458189A (en) | 1990-04-12 |
KR960003073B1 (ko) | 1996-03-04 |
GB2223651A (en) | 1990-04-11 |
GB8911381D0 (en) | 1989-07-05 |
AU616966B2 (en) | 1991-11-14 |
GB2223651B (en) | 1993-03-31 |
HK98793A (en) | 1993-09-30 |
KR900007186A (ko) | 1990-05-09 |
JPH02123422A (ja) | 1990-05-10 |
FR2637706B1 (fr) | 1994-03-18 |
FR2637706A1 (fr) | 1990-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5189404A (en) | Display apparatus with rotatable display screen | |
US5043923A (en) | Apparatus for rapidly switching between frames to be presented on a computer output display | |
AU612222B2 (en) | Z-buffer allocated for window identification | |
US5091717A (en) | Apparatus for selecting mode of output in a computer system | |
US5030944A (en) | Display apparatus with rotatable display screen | |
US5587726A (en) | Method and apparatus for increasing the speed of operation of a double buffered display system | |
US4954819A (en) | Computer graphics windowing system for the display of multiple dynamic images | |
US5345552A (en) | Control for computer windowing display | |
CA2058250C (en) | Method and apparatus for arranging access of vram to provide accelerated writing of vertical lines to an output display | |
EP0396377B1 (en) | Computer graphics dynamic control | |
US5101365A (en) | Apparatus for extending windows using Z buffer memory | |
US5457482A (en) | Method and apparatus for utilizing off-screen memory as a simultaneously displayable channel | |
US6150679A (en) | FIFO architecture with built-in intelligence for use in a graphics memory system for reducing paging overhead | |
JPH11353497A (ja) | グラフィックスメモリシステム | |
US5454076A (en) | Method and apparatus for simultaneously minimizing storage and maximizing total memory bandwidth for a repeating pattern | |
US5050102A (en) | Apparatus for rapidly switching between output display frames using a shared frame gentification memory | |
CA1316271C (en) | Apparatus for rapidly clearing the output display of a computer system | |
JPH07104960B2 (ja) | グラフィックス・ディスプレイ・システム及び隠面消去方法 | |
US5448264A (en) | Method and apparatus for separate window clipping and display mode planes in a graphics frame buffer | |
EP0525986A2 (en) | Apparatus for fast copying between frame buffers in a double buffered output display system | |
JPH08272344A (ja) | 高速画面表示装置及び方法 | |
US5847700A (en) | Integrated apparatus for displaying a plurality of modes of color information on a computer output display | |
JP3019543B2 (ja) | 画像表示システム | |
GB2224622A (en) | Apparatus for extending windows using Z buffer memory | |
JP3431925B2 (ja) | 画像表示制御装置及びその方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |