1. A system for rendering graphics in a computing system, comprising: a plugin associated with a web browser in the computing system; a web application configured to execute in the web browser, wherein the web application is configured to: specify a graphics model; and provide the graphics model to the plugin; and wherein the plugin is configured to: generate a graphics-processing unit (GPU) command stream from the graphics model; and send the GPU command stream to a GPU of the computing system, wherein an image corresponding to the graphics model is rendered by the GPU.