Commit Graph

62 Commits

Author SHA1 Message Date
Kyle Carlstrom
134c5f7f69 Support expressions for scalar values
Change-Id: I87c1ca4dd6d6f2e1e591eedc97ee7cb088039eab
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/436117
Commit-Queue: Avinash Parchuri <aparchur@google.com>
Auto-Submit: Kyle Carlstrom <kylecarlstrom@google.com>
Reviewed-by: Avinash Parchuri <aparchur@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2021-08-05 22:42:04 +00:00
Kyle Carlstrom
1907f9051e Expanded PropertyObserver interface to include Node Type
Change-Id: I86b0ab3445f8fe4790492fa1b942c97e3053af9e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/417264
Reviewed-by: Florin Malita <fmalita@google.com>
Commit-Queue: Florin Malita <fmalita@google.com>
2021-06-11 17:00:47 +00:00
Florin Malita
7806794543 [skottie] Initial audio layer plumbing
Looking at audio layer support for Skottie, we need an API to
externalize audio asset loading and playback.

Similar approach to the other resource types for loading, but in
addition we also delegate playback control to the embedder.

First thought: keep it really simple and just emit seek() events.
Positive |t|s for track playback, negative for track off.

The embedder needs to implement state menagement (playing/not-playing)
and optional synchronization (if animation playback is not real time).

Change-Id: I54d1c2c39d0c38dd926f7c93764bde6695cb3fe2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309317
Commit-Queue: Florin Malita <fmalita@google.com>
Reviewed-by: Mike Reed <reed@google.com>
2020-08-12 13:03:16 +00:00
Florin Malita
c7b49bbb9b [skottie] Fix merge paths <-> paints interaction
Unlike other shape path effects, merge paths disables the rendering of
any preceding paints - it only extracts the merged geometry from the
stack.

Update the shape layer attacher logic to suppress paints under merge
paths.

TBR=
Change-Id: I414134839de9eaa4b0f828d8dc6d4721620242bb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300897
Commit-Queue: Florin Malita <fmalita@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2020-07-07 17:28:47 +00:00
Florin Malita
6a414b277b [skottie] Layer auto-orient support
AE layers can be tagged for auto-orient - i.e. they observe an
additional rotation component dependent on the position property
animation (position derivative/tangent).

Augment Vec2KeyframeAnimator to optionally track orientation, for both
temporal/linear and spatial (motion-path) keyframes.  Update
TransformAdapter2D to use this orientation when attached to layer
transforms.

Change-Id: I616e45a07b088e9e566b4f88450e95f9315b727c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/291716
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
2020-05-25 16:19:23 +00:00
Florin Malita
67ff541ac1 [skottie] Add support for embedded fonts (glyph paths)
Parse embedded fonts into SkCustomTypefaces, and pass down the text
animation pipeline.  Things seem to mostly work for Latin examples.

Most existing Lottie files come with embedded fonts (the option is
enabled by default), so to minimize disruption only use the new
feature as a fallback for typefaces which cannot be resolved otherwise.

Also introduce a builder flag to prioritize embedded fonts over native
(kPreferEmbeddedFonts), and plumb in existing tools for testing.

Change-Id: Ia2a659f76e354fea6081b0f2e0dce1d8bdf63c52
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/291180
Reviewed-by: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@google.com>
2020-05-21 01:27:34 +00:00
Florin Malita
0dc207f836 [skottie] Cleanup: refactor asset lookup to avoid std::function
The main value of current AnimationBuilder::attachAssetRef is to provide
scoping semantics for ref cycle detection.

Refactor using a RAII helper (ScopedAssetRef), and avoid std::function
callbacks.

Change-Id: Idf5327465b8a06313cd9ea89be5f229ddc0aef7f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288617
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-05-07 22:06:25 +00:00
Florin Malita
71c31415cd [skottie] Cleanup: rename ImageLayer -> FootageLayer
...since it's used for both image and video Lottie layers.

TBR=
Change-Id: I52e85d70d4adbda61dfa3b33acdf4eb17ddbf332
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288616
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-05-07 21:27:16 +00:00
Florin Malita
fbddfbb9f3 [skottie] Introduce an external layer API
Add support for external precomp Skottie layers.  This allows embedders
to seamlessly mix custom/Lottie content.

General flow:

  * embedders register a PrecompInterceptor callback with
    the animation builder
  * at build time, Skottie invokes the callback for each pre-composed
    layer
    - the returned ExternalLayer implementation is used instead of the
      Lottie layer payload
    - (a nullptr value signals Skottie to use the usual Lottie payload)
  * at render time, ExternalLayer::render() is called to defer content
    rendering to the embedder

Also implement a sample PrecompInterceptor which attempts to substitute
precmp layers matching a given pattern with external Lottie animations:

   precomp_name: "__foo.json"  -> Animation("foo.json")

This new mechanism is a generalization of (and supersedes) the old
NestedAnimation hack - so we can remove that.

Change-Id: Id80fe11881c62b8717c2476117c7c03ad5300eef
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288130
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
2020-05-06 20:31:14 +00:00
Florin Malita
0147de41c4 [skottie] Lazy adapter sync
Expand the core animator logic to return whether the computed value is
changing on each tick.  Also rename tick/onTick -> seek/onSeek to better
reflect Skottie semantics.

This information allows us to skip adapter updates for static/hold
animation segments.

This effectively hoists some of the scene graph lazy-update logic to the
Skottie model level, and culls unneeded conversions (e.g. we were
converting ShapeValue -> SkPath on every tick, even when the shape was
not changing).

TBR=
Change-Id: I1ea4e19ae8f993d659826269de6b0465fec70189
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/279816
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-03-30 16:06:02 +00:00
Florin Malita
bb7d95f0f0 [skottie] Cleanup: relocate Animator base class out of SkSG
Decouple animator semantics from the scene graph.

No functional changes, just shuffling code around.

TBR=
Change-Id: I9a4592c424d2f8eb45b1b5f3e1f4b885cfaff9f6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/279421
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-03-26 20:50:10 +00:00
Ben Wagner
9339266839 Infer NodeType in attachDiscardableAdapter.
This makes the call sites a bit simpler, doesn't materially change
anything in an optimized build, allows NRVO, and generally fixes a
number of warnings in gcc 9 about pessimizing-move.

Change-Id: I0ea5f57db163425da728630bfa6c1add7c416bd7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/278178
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Ben Wagner <bungeman@google.com>
2020-03-20 19:50:12 +00:00
Florin Malita
9642b31a71 [skottie] Add support for text animator blur
In adition to transforms/opacity/etc, text animators can target
per-glyph opacity.

Change-Id: I6ab63a6e49a64beaf63fc955f0b672a5b8ba84ba
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/272886
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-02-24 14:01:16 +00:00
Mike Klein
a9609ea8c5 turn on -Wreturn-std-move-in-c++11
This CL has a complicated back story, but it's concrete change is
simple, just turning the warning on and converting a bunch of

    return foo;

to

    return std::move(foo);

These changes are exclusively in places where RVO and NRVO do not apply,
so it should not conflict with warnings like -Wpessimizing-move.

Since C++11, when you return a named local and its type doesn't match
the declared return type exactly, there's an implicit std::move()
wrapped around the value (what I'm making explicit here) so the move
constructor gets an opportunity to take precedence over the copy
constructor.  You can read about this implicit move here under the
section "automatic move from local variables and parameters":
https://en.cppreference.com/w/cpp/language/return#Notes.

This situation comes up for us with smart pointers: a function declares
its return type as std::unique_ptr<Base> or sk_sp<Base>, and we return a
std::unique_ptr<Impl> or sk_sp<Impl>.  Those types don't match exactly,
so RVO and NRVO don't come into play.  They've always been going through
move constructors, and that's not changed here, just made explicit.

There was apparently once a bug in the C++11 standard and compilers
implementing that which made these copy instead of move, and then this
sort of code would do a little unnecessary ref/unref dance for sk_sp,
and would entirely fail to compile for uncopyable std::unique_ptr.
These explicit moves ostensibly will make our code more compatible with
those older compilers.

That compatibility alone is, I think, a terrible reason to land this CL.
Like, actively bad.  But... to balance that out, I think the explicit
std::move()s here actually help remind us that RVO/NRVO are not in play,
and remind us we're going to call the move constructor.  So that C++11
standard bug becomes kind of useful for us, in that Clang added this
warning to catch it, and its fix improves readability.

So really read this all as, "warn about implicit std::move() on return".
In the end I think it's just about readability.  I don't really hold any
hope out that we'll become compatible with those older compilers.

Bug: skia:9909
Change-Id: Id596e9261188b6f10e759906af6c95fe303f6ffe
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/271601
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2020-02-18 23:55:35 +00:00
Shachar Langbeheim
be28d2e75e This change allows users of PropertyObserver to compose a full keypath for each of the modified properties.
Also this contains a demonstration of how to implement this in CustomPropertyManager.

Change-Id: If4770e47b87ed76c98a85de3c235ab27c913dbc0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/269696
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-02-12 14:13:13 +00:00
Florin Malita
af99f3ee60 [skottie] Cleanup: finalize adapter conversion
Convert remaining bindProperty clients to adapters, and remove the
legacy API.

TBR=
Change-Id: I06eda513a75b55a1ba7eae328b0916e738c9ddd7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268309
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-02-03 18:56:01 +00:00
Florin Malita
cc982ecbca [skottie] Cleanup: convert remaining effects to new adapter pattern
Also add a couple of tests for missing coverage.

TBR=
Change-Id: I420c71d73657c5d003fda94a4c43dde20a1a6b87
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/267556
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-01-30 15:30:08 +00:00
Florin Malita
e7bd58f512 [skottie] Cleanup: convert transform adapters to new pattern
Use discardable adapters for 2D-transforms, 3D-transforms, cameras
and transform effects.

Improvements:
  - ~4KB smaller object size
  - 3D rotation and orientation now compose correctly
    (instead of overriding each other)
  - streamlined no-op check discards no-effect transform nodes more
    aggressively (20% more nodes discarded)

TBR=
Change-Id: If75e53021871a15b7ea9e3ccb988c734a018f06d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/266635
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-01-27 18:26:46 +00:00
Florin Malita
cbf31d0a0e [skottie] Cleanup: convert shape layer adapters to new pattern
Split off most shape layer components into own CUs (naming convention
following AE), and convert to new DiscardableAdapter pattern.

TBR=
Change-Id: Iba7800cff1998d3d7cf81dfd89b4193d02b59559
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/265147
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-01-22 20:16:36 +00:00
Florin Malita
d5c42c8c03 [skottie] Refactor property animators
Currently, property animators use lambda captures (std::function<>) to push
values to adapters and then to the scene graph.  Some downsides:

  * complex lambda captures are expensive in terms of object code size
  * adapters with multiple animated properties don't synchronize/quiesce: each individual property tick triggers a SG
    synchronization, possibly with inconsistent state (as animator running
    order is unspecified)
  * there is no enforced scoping, resulting in fragile constructs when SG
    fragments are discarded

This CL introduces a simplified and more robust animator pattern:

  * property animators are scoped to explicit containers
  * instead of capturing arbitrary value functors, animators only capture
    a pointer to the target value

Some implementation details:

  * keyframe/interpolation logic is pretty much unchanged (just relocated)
  * introduced AnimatablePropertyContainer - a base class for animatable
    adapters
  * legacy binding functions are refactored based on the new mechanism
    (they now/transitionally inject adapter objects)
  * converted a handful of effects, to exercise trivial refactoring patterns
  * converted the text animator goo, to exercise non-trivial refactoring:
    - detecting value changes is now trickier (no more lambda magic)
    - value adjustments must be hoisted into adapter logic (no more lambda magic)
    - all dependent animated values (selectors, etc) must be scoped to the
      text adapter to avoid lifetime issues

TBR=
Change-Id: Ia5821982f251de0de58fd3f87812219ff7fcc726
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/263938
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
2020-01-16 22:43:12 +00:00
Florin Malita
a3936c8d29 [skottie] cleanup: move transform & camera adapters to own CUs
Shuffling code around, no functional changes.

TBR=
Change-Id: I9a045fa643fbcf52c58e1378d4d4c1566c0d35d7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/262225
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2020-01-06 18:16:14 +00:00
Florin Malita
cc92b27c78 [skottie] Optionally-deferred single-frame image loading
Normally, we load single-frame images upfront to avoid instantiating
an animator (as the image content is supposed to be constant).

In certain cases, deferred behavior is desirable (and the extra animator
overhead is minimal).

Generalize MultiFrameAnimator to handle single-frame assets, and add an
optional deferred mode for single-frame image loading
(Animation::Builder::Flags::kDeferImageLoading).

Bug: skia:9686
Change-Id: I4d166cd1a0bf34ccb8679e7553848c831a9193d2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/258000
Commit-Queue: Avinash Parchuri <aparchur@google.com>
Reviewed-by: Avinash Parchuri <aparchur@google.com>
2019-12-05 21:46:59 +00:00
Florin Malita
6cc49538b3 [skottie] Fix precomposed camera sizing
Precomp layers can have a different size vs. main composition.

Instead of relying on the global animation (main comp) size, use the
current (pre)comp size when setting up cameras.

Change-Id: I54106375fb39dde2bfd11e14a38e5ec3e7190764
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/258156
Commit-Queue: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
2019-12-05 14:34:15 +00:00
Florin Malita
c6fbedc507 [skottie] 3D layer parenting refinements
Observed AE layer parenting semantics:

  * layers are flagged as either 2D or 3D
  * camera applies to 3D layers, but not to 2D layers
  * parented 3D layers treat their ancestor transform chain as 3D (SkMatrix44)
  * parented 2D layers treat their ancestor transform chain as 2D (SkMatrix, ignoring 3D components)

This means that for a given layer, we may need to build two distinct transform chains - depending
on the type of descendant layer being considered.

Furthermore, transforms are animatable and their animators are scoped to a layer controller.  Since
we're potentially building two version of the transform node, we need to ensure all animators for
both of them are transferred to controller object (we still want to only instantiate a single layer
controller and render tree to avoid duplication).  IOW, all dependent layer transforms need to be
considered before "sealing off" a given layer controller.

In order to avoid a layer dependency/topological sort, we can split off the transform tree
construction into a separate pass.  High-level changes:

  -- replace existing LayerAttachContext with CompositionBuilder
     (holds LayerBuilders and other Composition-wide state)

  -- replace LayerRec with LayerBuilder
     (holds Layer-wide state and also caches transform nodes)

  -- pass 1: for each LayerBuilder, transitively build and cache a transform chain
     of a type (2d/3d) determined by the leaf (entry point) layer

  -- pass 2: for each LayerBuilder, build the actual layer content render tree
     and instantiate the layer controller objects

Bug: skia:8914
Change-Id: I9f7efcf4819424282fd3dda98f5621ba12fd001b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/251001
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-10-28 20:29:54 +00:00
Florin Malita
a3adb9ac7e [skottie] Camera does not apply to regular/2D layers
Per [1], "Cameras affect only 3D layers and 2D layers with an effect
with a Comp Camera attribute."

[1] https://helpx.adobe.com/after-effects/using/cameras-lights-points-interest.html#create_a_camera_layer_and_change_camera_settings

Bug: skia:8914
Change-Id: Ic63ac1a9bfd0913757061684f64adf3df8424246
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/249419
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-10-18 16:45:07 +00:00
Florin Malita
d9e8586d23 [skottie] Fix camera/3D layer transform interactions
Currently, the camera view transform is attached to the render tree as a
TransformEffect.  This means it gets "flattened" to an SkMatrix in isolation,
and does not compose with other layer transforms in 4x4 format.

Refactor the implementation to

  - build the camera transform upfront
  - compose (chain) all layer transforms from this camera transform

This ensures that transform composition happens in SkMatrix44.

E.g. render tree topology change (TE == TransformEffect)

Before:

                      [root]
                        |
                      [TE]<---[CameraT]
                        |
       ------------------------------------
      |                                    |
      |                                    |
    [TE]<--[Layer1T]          [Layer2T]-->[TE]
      |                                    |
  [Layer1]                              [Layer2]
      |                                    |



After:
                      [root]
                        |
                        |
       ------------------------------------
      |                                    |
      |             [CameraT]              |
      |                / \                 |
    [TE]<--[Layer1T]<--   --->[Layer2T]-->[TE]
      |                                    |
  [Layer1]                              [Layer2]
      |                                    |


TBR=
Bug: skia:8914
Change-Id: Idd407712f75c48623b5299a4284ddb17b98c155f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/249217
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-10-17 20:57:09 +00:00
Florin Malita
2e4c283f78 [skottie] Clean up TextAdapter
Convert to DiscardableAdaptorBase, drop unneeded TextAnimatorList
wrapper, switch to raw pointer lambda captures.

TBR=
Change-Id: Idd43ad89a299ff344ff539b87cfb7790fef10b2f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/238441
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-09-03 15:29:36 +00:00
Avinash Parchuri
3a543aafd4 Reland "[skottie] Add onTextProperty support into PropertyObserver."
This is a reland of 2a558f5675

Original change's description:
> [skottie] Add onTextProperty support into PropertyObserver.
>
> This effectively allows observing/modifying properties at the text document level. By default
> Bodymovin exports even static TextDocuments as a single keyframe, so the unit-tests have been
> updated to store the property handles for verification.
>
> Change-Id: Iab8bcb29cdc5626d1abc34593ee9967b543428eb
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/231681
> Commit-Queue: Florin Malita <fmalita@chromium.org>
> Reviewed-by: Florin Malita <fmalita@chromium.org>

Change-Id: I3231607e469dcc321fa5900500a21f0f101c299c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/232628
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Ben Wagner <bungeman@google.com>
2019-08-06 13:50:41 +00:00
Greg Daniel
08ada8eda6 Revert "[skottie] Add onTextProperty support into PropertyObserver."
This reverts commit 2a558f5675.

Reason for revert: breaking Test-Win7-Clang-Golo-CPU-AVX-x86_64-Debug-All-NativeFonts_GDI bot

Original change's description:
> [skottie] Add onTextProperty support into PropertyObserver.
> 
> This effectively allows observing/modifying properties at the text document level. By default
> Bodymovin exports even static TextDocuments as a single keyframe, so the unit-tests have been
> updated to store the property handles for verification.
> 
> Change-Id: Iab8bcb29cdc5626d1abc34593ee9967b543428eb
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/231681
> Commit-Queue: Florin Malita <fmalita@chromium.org>
> Reviewed-by: Florin Malita <fmalita@chromium.org>

TBR=fmalita@chromium.org,aparchur@google.com,isabelren@google.com

Change-Id: I5298bb45cd12b86fb921aaf835b2340205fed1b5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/232582
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
2019-08-05 20:00:51 +00:00
Avinash Parchuri
2a558f5675 [skottie] Add onTextProperty support into PropertyObserver.
This effectively allows observing/modifying properties at the text document level. By default
Bodymovin exports even static TextDocuments as a single keyframe, so the unit-tests have been
updated to store the property handles for verification.

Change-Id: Iab8bcb29cdc5626d1abc34593ee9967b543428eb
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/231681
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2019-08-05 18:20:59 +00:00
Florin Malita
17b9d1d1de [skottie] Initial Hue/Saturate effect support
Due to limitations in BodyMovin/AE JSX, full effect data is not
available (specifically the "channel range" property).

We only support static master hue, static master saturation and
static master lightness at this point.

This CL also introduces a new animation builder pattern:
DiscardableAdapterBase and attachDiscardableAdapter().

The former is a base class for adapters with full animator ownership.
This enables a) capturing raw adapter pointers in animator lambdas and
b) syncing to SG only once, after all local animators are updated).

The latter is a helper for managing adapter creation and optional
destruction (when all adapter properties are static we can discard it).

Change-Id: Iecc4b78830e5464e7958cb12cdfd75a61010aa25
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/231956
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-08-02 18:04:14 +00:00
Florin Malita
d9a44101f2 [skottie] Fix property observer scoping for effects
Introduce AutoPropertyTrackers for each effect being built, such
that associated properties are correctly scoped to the effect name.

This ensures that e.g. the fill effect color property is dispatched with
the correct name.

TBR=
Change-Id: Idb2663503eb2c3805fb96edb0284754464f4fb94
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/227498
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Isabel Ren <isabelren@google.com>
Reviewed-by: Avinash Parchuri <aparchur@google.com>
2019-07-30 13:57:28 +00:00
Florin Malita
fd91f6d1fb [skottie] Cleanup: track animator scoping in AnimationBuilder
Instead of passing an explicit scope all over, keep track of the current
scope in AnimationBuilder.

Removes a bunch or redundant plumbing.

TBR=
Change-Id: I9e587f4ae7a1d12f86d13f30144816492a4ce147
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/229762
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-07-25 18:03:13 +00:00
Florin Malita
5f1108ce46 [skottie] Motion blur support
Unlike all other Skottie effects, motion blur requires sampling at multiple
points on the timeline.

To support this:

  1) Introduce MotionBlurEffect - a custom SG render node which can drive
     the timeline of its subtree using an sksg::Animator.

  2) Introduce MotionBlurController to swap for a regular LayerController
     when needed.  MotionBlurController dispatches time ticks to
     MotionBlurEffect instead of directly to the layer animators.

The actual motion blur impl is based on
https://skia-review.googlesource.com/c/skia/+/221416.

Motion blur requires Lottie files exported with this BodyMovin patch:
https://github.com/bodymovin/bodymovin-extension/pull/15

Change-Id: I075e101ea91ec9aa300bac35ee810fd539f1aced
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225416
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-07-09 13:02:17 +00:00
Florin Malita
60c84fdb18 [skottie] Clean up layer animator scoping
Most layer animators are scoped at the LayerController level - except for
animators related to layer transforms.

The reason for this exception is that dependent/child layers require up-to-date
transform chains even when the parent layer is inactive.

Currently, to escape LayerController scoping, layer transform animators
are stored directly in the parent (composition) scope.  This works fine
for the initial purpose, but discards layer->transform-animator ownership
info.

Upcoming features (motion blur) require knowledge of all animators associated
with a given layer, and the current scheme gets in the way.

To address this problem, update the layer controller logic to

  1) store all layer animators (including transform-related) in the controller
     scope
  2) always dispatch ticks to transform-related animators

No functional changes are expected.

TBR=
Change-Id: I60a443a51d11754dfbc953f28e57cb1c13c3d647
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225195
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-07-02 23:24:06 +00:00
Florin Malita
45dc1f0001 [skottie] Cleanup: split off layers into own CUs
TBR=
Change-Id: Ia6c27cca33f9dc8f242a50e624341dd0b465b380
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/224738
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-07-01 18:29:22 +00:00
Florin Malita
d75fed41c2 [skottie] Use explicit font ascent in Shaper
Bodymovin exports an explicit ascent for each font, as a percentage of
the text size.

Change-Id: I25708944b2b79b42a6ccb05abbe002685e36dfa1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/223986
Reviewed-by: Ben Wagner <bungeman@google.com>
2019-06-28 11:35:09 +00:00
Florin Malita
b97824d4d1 [skottie] Motion tile effect
Implement support for AE's Motion Tile effect [1].

This is the first effect which needs layer size information, so the CL includes
related plumbing.

Limitations: no phase support at this point.

[1] https://helpx.adobe.com/after-effects/using/stylize-effects.html#motion_tile_effect

Change-Id: I023bf8a9d3e3d2a48458fa94218f143e6aac4c9f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221244
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-06-17 18:20:15 +00:00
Florin Malita
941b9ff09b [skottie] Effects cleanup pass
Split-off effects into separate CUs.

TBR=
Change-Id: Ic214027d27e1c341085d9a8c74f605caba260630
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221118
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-06-14 20:31:45 +00:00
Florin Malita
2253c22afb [skottie] Parented camera support
Parent camera layer transforms apply to the camera itself, thus

  T_camera' = T_camera x Inv(T_parent)

To support this composition:

  - introduce sksg::Transform::MakeInverse()

  - allow selectable pre/post parent composition in
    AnimationBuilder::attachMatrix3D()

Change-Id: Ie70b36e4e9bb1b32e60893df5695bdc6c0dc0d00
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/210422
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-04-25 17:02:49 +00:00
Mike Klein
c0bd9f9fe5 rewrite includes to not need so much -Ifoo
Current strategy: everything from the top

Things to look at first are the manual changes:

   - added tools/rewrite_includes.py
   - removed -Idirectives from BUILD.gn
   - various compile.sh simplifications
   - tweak tools/embed_resources.py
   - update gn/find_headers.py to write paths from the top
   - update gn/gn_to_bp.py SkUserConfig.h layout
     so that #include "include/config/SkUserConfig.h" always
     gets the header we want.

No-Presubmit: true
Change-Id: I73a4b181654e0e38d229bc456c0d0854bae3363e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/209706
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2019-04-24 16:27:11 +00:00
Florin Malita
e3e8da5e52 [skottie] Initial camera support
Camera layers introduce a top-level 3d camera/view matrix based on their
transform properties:

  * position - camera location
  * point of interest (stored as anchor point by BM) - camera direction
  * rotation - camera orientation

The perspective degree is controlled by a "zoom" camera property (which
corresponds to the view distance), and the composition dimensions.

Current limitations:

  * single camera track/layer
  * affects all layers (not just 3d-tagged layers)
  * parent layer transforms are likely not applied correctly

Bug: skia:
Change-Id: Ifc1b8b699ff09fa13b4804d18546b444d02e81c2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201651
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-03-19 19:49:12 +00:00
Florin Malita
f12d675179 [skottie] Shape blending mode support
Starting in v. 5.4.4, BodyMovin also supports/exports per-shape
blending modes.

Change-Id: I9827f1db11df207da62bfb0de724e62489ed9255
Reviewed-on: https://skia-review.googlesource.com/c/195365
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-02-26 18:48:25 +00:00
Florin Malita
bd64f18947 [skottie] Layer blend mode support
Introduce sksg::BlendModeEffect and use to wrap Skottie layers based on
their "bm" property.

Depending on the presence of non-trivial layer blend modes and the nature
of the destination buffer (fully transparent vs. unknown/pre-filled), we
may now need to render animation frames into a separate layer for correct
compositing.

Track the presence of non-trivial layer blend modes such that we only incur
this extra layer overhead when needed.  Also allow clients to pass a "drawing
to fully transparent buffer" hint such that we can avoid the extra layer even
when blend modes are present.

Change-Id: Iaf645878666da4349d0bef8890bbecad23a0aa9b
Reviewed-on: https://skia-review.googlesource.com/c/194840
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-02-25 15:48:07 +00:00
Florin Malita
760a052c1e [sksg] Consolidate Matrix node implementations
Matrix and Matrix44 look almost identical -- consolidate as a template
class.

TBR=
Change-Id: I8f299a6138f190eb18de2e67b051307cf6a33383
Reviewed-on: https://skia-review.googlesource.com/c/182973
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-01-10 21:50:54 +00:00
Florin Malita
919e209d1a [sksg] 4x4 matrix support
Refactor the scene graph transform hierarchy to support 4x4 matrices:

  * rename current Transform to TransformEffect (operates as a render tree effect)
  * introduce a new Transform abstract base class, to replace current Matrix
  * refactor existing Matrix as a Transform specialization
  * introduce a new Matrix44 Transform specialization
  * refactor the existing composition helper (ComposedMatrix) as Concat,
    a Transform specialization (using composition instead of Matrix inheritance)

Change-Id: Ic3c1b499e10a0a229a7a76d4bef3dbc6a8b49194
Reviewed-on: https://skia-review.googlesource.com/c/182666
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-01-10 02:06:54 +00:00
Florin Malita
d2a18531e9 [skottie] Initial 3D layer transform support
TBR=
Change-Id: Ia849a0062a75863857edc66d8a5c1c62bfc6d00a
Reviewed-on: https://skia-review.googlesource.com/c/180362
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2019-01-02 19:28:33 +00:00
Florin Malita
91af8d8202 [skottie] Expose composition markers to embedders
Add a MarkerObserver interface (to replace the current
AnnotationObserver), and update CustomPropertyManager to intercept both
properties and markers.

TBR=
Change-Id: If79de419066916bc596316f0a551c75564069239
Reviewed-on: https://skia-review.googlesource.com/c/173766
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2018-12-01 04:44:03 +00:00
Florin Malita
d9c56b41d4 [skottie] Support external annotations
Add a callback mechanism for passing opaque/external annotation string
dictionaries to the embedder.

Change-Id: I2b053d6697cdd51a310ced687e2ba454ab39a24a
Reviewed-on: https://skia-review.googlesource.com/c/160900
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2018-10-09 20:22:08 +00:00
Florin Malita
62c6bd910a [skottie] Multi-frame image support
Extend the image asset provider API to support animated/multi-frame images.

Add a GM based on SkAnimCodecPlayer + animated public domain GIF
(source: https://giphy.com/explore/public-domain).

Bug: skia:
Change-Id: Iaa596e01a7626ca6574db1ebc90632f5a9a02bdc
Reviewed-on: https://skia-review.googlesource.com/159162
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
2018-10-03 19:02:35 +00:00