Commits on Mar 13, 2018

1. Use brush_image for blurs, instead of 2d hardware composite. …

   Once this lands, we can fix drop-shadows by making use of this
   functionality, and port the other remaining uses of ps_hardware_composite
   to use brush_image. Then, ps_hardware_composite can be removed,
   and everything except 3d plane-splits will then be drawn as
   normal primitives.
   
   Incidentally, this fixes the way we handle blurs when the source
   picture is clipped by either the screen bounds or a clip-chain.
   The code will now inflate the rendered portion of the source
   render task correctly, so include enough pixels to get a correct
   blur result at the edges.

   

   gw3583 committed Mar 13, 2018

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2. Skip intermediate render surface when blur radius is 0.

   

   gw3583 committed Mar 13, 2018

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