87e066ee80
For optimizing saveLayer() offscreens, it is useful to know the bounds of the primitive being drawn. Currently, the bounds passed to saveLayer() are filtered, which makes it difficult to know the original bounds of the primitive. This CL changes the semantics to accept unfiltered bounds. This actually simplifies the callsites too. In order to result in the correct pixels being produced, we then call computeFastBounds() inside clipRectBounds(). The old behaviour is wrapped in #ifdef SK_SAVE_LAYER_BOUNDS_ARE_FILTERED, until we can update Chrome's callsites (see https://codereview.chromium.org/1316243002/). This change will affect the following GMs: testimagefilters: saveLayer bounds no longer cause clipping imagefiltersbase: slight pixel diffs resizeimagefilter: slight pixel diffs on the "high quality" test case imagefilterscropexpand: displacement results are now correct filterfastbounds: slight pixel diffs matriximagefilter: slight pixel diffs BUG=skia:3194 skia:4526 Review URL: https://codereview.chromium.org/1304883004 |
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Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See full details, and build instructions, at https://skia.org.