Method and apparatus for rendering image based projected shadows with multiple depth aware blurs

摘要

A computer readable storage medium stores one or more computer programs adapted to cause a processor based system to execute steps including: identifying one or more groups of objects in a frame of content, wherein each group of objects includes one or more shadow casters and corresponding shadow receivers; for visible shadow receivers in the identified groups of objects, establishing depth information in a small white buffer; for each of the identified groups of objects, rendering the shadow casters into a single depth map; blurring the small white buffer; and upsampling the small white buffer into a full sized white buffer, wherein the upsampling comprises using depth information as a metric. A method includes similar steps, and an apparatus includes a processor based system that is configured to execute similar steps.

主权项

1. A non-transitory computer readable storage medium storing one or more computer programs adapted to cause a processor based system to execute steps comprising:
identifying one or more groups of objects in a frame of content, wherein each group of objects includes one or more shadow casters and corresponding shadow receivers; for visible shadow receivers in the identified groups of objects, establishing depth information in a small buffer; for each of the identified groups of objects, rendering the shadow casters into a single depth map; blurring the small buffer; after the blurring the small buffer, upsampling the blurred small buffer into a full sized buffer, wherein the upsampling comprises using depth information as a metric in upsampling color information; and rendering the shadow receivers in the identified groups of objects by sampling the upsampled full sized buffer.