Microsoft Technology Licensing, LLC

Imran Majid

Leonardo Esteban Blanco

Silvana Patricia Moncayo

Joshua Warren Priestley

Hang Li

Reiner Fink

Max Alan McMullen

Anuj Bharat Gosalia

Benjamin C Constable

Daniel Wood

Aleksandar Antonijevic

Mary Luo

Jonathan P Liperi

Composition system thread techniques are described. In one or more implementations, a composition system may be configured to compose visual elements received from applications on a thread that is executed separately than a user interface thread of the applications. As such, the composition system may execute asynchronously from a user interface thread of the application. Additionally, the composition system may be configured to expose one or more application programming interfaces (APIs) that are accessible to the applications. The APIs may be used for constructing a tree of objects representing the operations that are to be performed to compose one or more bitmaps. Further, these operations may be controlled by several API visual properties to allow applications to animate content within their windows and use disparate technologies to rasterize such content.

Composition system thread

Atlasing and virtual surface techniques are described. In one or more implementations, virtual surface functionality is exposed by an operating system for access by one or more applications of the computing device. A virtual surface is created in response to a request from the one or more applications to be used to render visuals for display by a display device. The virtual surface is allocated in memory of the computing device by the exposed virtual surface functionality to have an area that is larger than an area to be used to display the visuals from the one or more applications.

Atlasing and virtual surfaces

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Imran Majid