Add support for perspective(none) transform function. #31158
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This adds support for the none value of the perspective() function of the transform property, and makes corresponding changes to the css-typed-om implementation. The changes to ui/gfx/geometry/ and compositor_transform_operations.cc correspond both to the interpolation changes in this patch and also some that should have been included in https://crrev.com/c/2924023 (to keep the compositor animation behavior matching the blink animation behavior). The added web-platform-tests in css/css-transforms/animation/transform-interpolation-perspective.html css/css-transforms/animation/support/transform-interpolation-reftests.js test for the need for both sets of changes to this code. The spec changes are linked from: w3c/csswg-drafts#6488 w3c/css-houdini-drafts#1051 Fixed: 1253596 Bug: 1205161 Change-Id: I84f4dc509bcfccdac0dde8e42669ac0ac5e2e38c Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3202491 Reviewed-by: danakj <danakj@chromium.org> Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org> Reviewed-by: Kevin Ellis <kevers@chromium.org> Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org> Commit-Queue: David Baron <dbaron@chromium.org> Cr-Commit-Position: refs/heads/main@{#932253}
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This adds support for the none value of the perspective() function of
the transform property, and makes corresponding changes to the
css-typed-om implementation.
The changes to ui/gfx/geometry/ and compositor_transform_operations.cc
correspond both to the interpolation changes in this patch and also some
that should have been included in https://crrev.com/c/2924023 (to keep
the compositor animation behavior matching the blink animation
behavior). The added web-platform-tests in
css/css-transforms/animation/transform-interpolation-perspective.html
css/css-transforms/animation/support/transform-interpolation-reftests.js
test for the need for both sets of changes to this code.
The spec changes are linked from:
w3c/csswg-drafts#6488
w3c/css-houdini-drafts#1051
Fixed: 1253596
Bug: 1205161
Change-Id: I84f4dc509bcfccdac0dde8e42669ac0ac5e2e38c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3202491
Reviewed-by: danakj <danakj@chromium.org>
Reviewed-by: Anders Hartvoll Ruud <andruud@chromium.org>
Reviewed-by: Kevin Ellis <kevers@chromium.org>
Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org>
Commit-Queue: David Baron <dbaron@chromium.org>
Cr-Commit-Position: refs/heads/main@{#932253}