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Review URL: https://codereview.chromium.org/1261643004
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no longer require access to GrContext.
Review URL: https://codereview.chromium.org/1265763002
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GrTextureProvider interface. The goal is to pass this narrowly focused object in places that currently take a GrContext but don't need and shouldn't use its other methods. It also has an extended private interface for interacting with non-texture resource types.
Review URL: https://codereview.chromium.org/1107973004
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Move line dashing logic from GrContext::drawPath to
GrDashLinePathRenderer. This makes it possible to let path renderers render arbitrary dashed paths.
End goal is to implement dashing in GrStencilAndCoverPathRenderer.
Review URL: https://codereview.chromium.org/1100073003
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More nullptr checks for factories I have added.
Other checks more Yoda-like I have made. (Skia style this is.)
BUG=skia:
Review URL: https://codereview.chromium.org/1086393004
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Check for NULL GrContext in TessellatingPathRendererTests.
Also fix an upload nag (no #includes before GPU #ifdef).
TBR=bsalomon@google.com
Review URL: https://codereview.chromium.org/1097943004
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Sometimes, the intersection returned by check_intersection() is
out-of-bounds for both edges (above both tops or below both bottoms)
due to floating-point inaccuracy. This causes split_edge() to create a
tiny negative-length edge on one side (which would then assert).
Although we could safely remove this assert and allow the negative
length edge to be removed, it's faster/safer to simply avoid its
creation in the first place by adjusting one edge to the other edge's
endpoint.
Added a new unit test to exercise this case.
Review URL: https://codereview.chromium.org/968993002
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This path renderer converts paths to linear contours, resolves intersections via Bentley-Ottman, implements a trapezoidal decomposition a la Fournier and Montuno to produce triangles, and renders those with a single draw call. It does not currently do antialiasing, so it must be used in conjunction with multisampling.
A fair amount of the code is to handle floating point edge cases in intersections. Rather than perform exact computations (which would require arbitrary precision arithmetic), we reconnect the mesh to reflect the intersection points. For example, intersections can occur above the current vertex, and force edges to be merged into the current vertex, requiring a restart of the intersections. Splitting edges for intersections can also force them to merge with formerly-distinct edges in the same polygon, or to violate the ordering of the active edge list, or the active edge state of split edges.
BUG=skia:
Review URL: https://codereview.chromium.org/855513004
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bsalomon
kkinnunen
senorblanco