GPU Accelerated Compositing on a Multithreaded Browser

A method for an accelerated rendering of graphics on a webpage. The method comprises providing a layer tree, wherein the layer tree includes a plurality of layers and is in a sandbox environment. The method further comprises identifying a dirty layer within the layer tree, and generating rendering data and the plurality of rendering instructions for processing the dirty layer. The method further comprises storing the rendering data and the plurality of rendering instructions in a storage region outside of the sandbox environment for processing using a graphics processing unit.