Squashed commit of what was on sdf-reflection-optimizations Get new ShapeBuffer API on Compute Buffer again, simplify data structure Clean up and simplify Shapebuffer struct, rename remainings of SdfShape to just Shape Fix flickering with reflections, refactoring, cleanup, use PVS for Shapes again, use spheres for AABB check Fix typo on blendable Bkebdabke & high quality reflection shader objects, invert alpha channel, halve shape bounding sphere Allow high quality reflections to be composed on subviews