Brian Osman 1d2ad93157 Prevent Skia from trying to use stencil buffers (flutter/engine#4362)
Fixes flutter/flutter#13018

When linear blending was disabled, we started rendering directly to FBO0 again. We can't attach stencil there, and the profile graph code triggers a path that (by default) uses it. This option forces us to use alternate rendering methods.

Note that the graph rendering code is constructing a fairly complex path. It would probably be much faster to render as a simpler series of drawRect calls for each box (which would get batched inside Skia).
2017-11-15 13:10:56 -05:00
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