Expose sk_FragCoord for runtime effects
This is needed for the inline dither effect to use device coordinates
instead of local coords for dithering.
The builtin is not "in float4" because that trips up the runtime effect
assertions about what types of in variables are allowed.
Change-Id: I580fc461fdc9cbd812592b2571f51868a7a3ea4b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/292262
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed