xref: /aosp_15_r20/external/skia/modules/skottie/src/layers/NullLayer.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
1 /*
2  * Copyright 2019 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #include "include/core/SkRefCnt.h"
9 #include "modules/skottie/src/SkottiePriv.h"
10 #include "modules/sksg/include/SkSGRenderNode.h"
11 
12 namespace skjson {
13 class ObjectValue;
14 }
15 
16 namespace skottie {
17 namespace internal {
18 
attachNullLayer(const skjson::ObjectValue & layer,LayerInfo *) const19 sk_sp<sksg::RenderNode> AnimationBuilder::attachNullLayer(const skjson::ObjectValue& layer,
20                                                           LayerInfo*) const {
21     // Null layers are used solely to drive dependent transforms,
22     // but we use free-floating sksg::Matrices for that purpose.
23     return nullptr;
24 }
25 
26 } // namespace internal
27 } // namespace skottie
28