[framework] remove usage and deprecate physical model layer#102274
[framework] remove usage and deprecate physical model layer#102274fluttergithubbot merged 21 commits intoflutter:masterfrom
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jonahwilliams
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| final Rect offsetBounds = bounds.shift(offset); | ||
| final RRect offsetClipRRect = clipRRect.shift(offset); | ||
| if (needsCompositing) { | ||
| if (clipBehavior == Clip.none) { |
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right now the context asserts if I push clip.none, but I think I should remove that and just make it do the right thing here
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Isn't the idea there to avoid compositing a layer unnecessarily?
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pushClip only conditionally composites, take a look at the implementation. Its why we pass in needsCompositing
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oh wait, this is the implementation lol. NVM. I added this change because otherwise the ClipRRectLayer would assert
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Change LGTM.
Can we also add deprecation attributes to the PhysicalModelLayer?
We should also deprecate pushPhysicalShapeLayer in dart:ui.
| final Rect offsetBounds = bounds.shift(offset); | ||
| final RRect offsetClipRRect = clipRRect.shift(offset); | ||
| if (needsCompositing) { | ||
| if (clipBehavior == Clip.none) { |
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Isn't the idea there to avoid compositing a layer unnecessarily?
| // The drawShadow call doesn't add the region of the shadow to the | ||
| // picture's bounds, so we draw a hardcoded amount of extra space to | ||
| // account for the maximum potential area of the shadow. | ||
| // TODO(jsimmons): remove this when Skia does it for us. |
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| final Rect offsetBounds = bounds.shift(offset); | ||
| final Path offsetClipPath = clipPath.shift(offset); | ||
| if (needsCompositing) { | ||
| if (clipBehavior == Clip.none) { |
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nit: I believe this will allow us to clean up some other call-sides that currently re-implement this branch and don't call pushClipPath if the behavior is none (e.g. RenderClipOval)
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Potentially the same for pushClipRRect.
| final Rect offsetBounds = bounds.shift(offset); | ||
| final Path offsetClipPath = clipPath.shift(offset); |
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This work is wasted if behaivor is none. Should we skip it in that case?
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This improved frame times on the new gallery benchmark by ~20%: https://flutter-flutter-perf.skia.org/e/?begin=1651002847&end=1651037948&keys=X6e4aa961197b108bc4214fdad0791a7d&num_commits=50&request_type=1&xbaroffset=28573 |
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Removes usage of physical model layer and reverts back to paints and clips. The clips need not be composited. In addition this updates several tests that used Opacity or RenderOpacity to force compositing and instead switches those to use RepaintBoundary and RenderRepaintBoundary to make a future change to RenderOpacity easier to land
We expect this change should result in fewer layers in a given flutter application, with more complex operations rolled into those pictures. Thus for pictures which are raster cached, that raster caching should cache more operations.
This is a complimentary change to #101952, which makes scenarios where we must composite or where we perform animations with layers more efficient.
Partially reverts #29701
Partially fixes #91852
Will handle #102179 in a follow up (in addition to making the repaint compositing optional)