Patent ID: 11908062
Assignee: WARNER BROS. ENTERTAINMENT INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. An apparatus for real-time shadow rendering using cached shadow maps and deferred shading, the apparatus comprising at least one processor coupled to a memory, the memory holding program instructions that when executed by the at least one processor cause the apparatus to perform for at least each key frame of video output:
determining a viewpoint for a current key frame based on user input;
filtering texels of a frame-specific shadow map based on a dynamic mask wherein the texels are filtered, for a shadowed light, from a static shadow map and a dynamic shadow map or from the static shadow map only, based on the dynamic mask value for the texels; and
rendering the current key frame based on the frame-specific shadow map and a deferred-shadow rendering algorithm.