glamor: basic version of xrender
glamor: xrender uploads
glamor: xrender repeat modes
glamor: comment shaders
glamor: xrender cleanup
glamor: xrender: implement moe blending ops
glamor: xrender + transform
glamor: xrender, drop upload code

It was based on the old render code, so just skip it
glamor: xrender: fake alpha
glamor: drop atlas texture format

The atlas format isn't used nor implemented, so there is no use to keep it.
glamor: linear gradients on composite