Render the current frame into a fresh 2D canvas, then composite
visible DOM overlays on top if requested. The returned canvas can
be fed straight to canvas.toBlob() or used as a VideoSample
source.
The post-processing manager owns the framebuffer read; this helper
never touches WebGL state directly.
Render the current frame into a fresh 2D canvas, then composite visible DOM overlays on top if requested. The returned canvas can be fed straight to
canvas.toBlob()or used as a VideoSample source.The post-processing manager owns the framebuffer read; this helper never touches WebGL state directly.