TextureMapperGL: Support painting to a BitmapTexture instead of the default frame buffer
Pull request: https://github.com/WebKit/WebKit/pull/12559
Committed 262781@main (8d6126fe8b50): <https://commits.webkit.org/262781@main> Reviewed commits have been landed. Closing PR #12559 and removing active labels.
<rdar://problem/107848241>