Advanced Rendering Optimizations

Track modified screen areas using 'dirty rectangles' to identify regions that need redrawing.

Clip drawing operations to the union of all dirty rectangles for a frame to avoid full-screen redraws.

Design an intermediate data structure to represent a single Skia draw command (e.g., path, paint state).

Implement a render pass that records, sorts by state, and executes draw commands to enable GPU batching.