Invention Grant
- Patent Title: Hardware accelerated caret rendering
- Patent Title (中): 硬件加速插入符号渲染
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Application No.: US13163510Application Date: 2011-06-17
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Publication No.: US08223123B1Publication Date: 2012-07-17
- Inventor: Rafael V. Cintron , Richard K. James , Benjamin C. Constable , Cenk Ergan
- Applicant: Rafael V. Cintron , Richard K. James , Benjamin C. Constable , Cenk Ergan
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Agency: Wolfe-SBMC
- Priority: CA2741743 20110602
- Main IPC: G06F3/033
- IPC: G06F3/033 ; G09G5/08

Abstract:
Techniques for hardware accelerated caret rendering are described in which a system based caret is emulated using hardware acceleration technology. The hardware accelerated caret can be rendered using dedicated graphics processing hardware to look and feel like a system caret. This can involve using pixel shaders to produce the hardware accelerated caret and a employing a back-up texture to remove the caret after it is drawn and cause the caret to blink. In addition, rendering of the caret can be coordinated with other animations and/or other presentations of a frame buffer to piggy back drawing of the caret onto other drawing operations. This can reduce the number of times the frame buffer is presented and therefore improve performance.
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