1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <SkCanvas.h>
20 #include <SkDrawable.h>
21 
22 #include <utils/Functor.h>
23 #include <utils/RefBase.h>
24 
25 namespace android {
26 namespace uirenderer {
27 
28 class GlFunctorLifecycleListener;
29 
30 namespace skiapipeline {
31 
32 /**
33  * This drawable wraps a OpenGL functor enabling it to be recorded into a list
34  * of Skia drawing commands.
35  */
36 class GLFunctorDrawable : public SkDrawable {
37 public:
GLFunctorDrawable(Functor * functor,GlFunctorLifecycleListener * listener,SkCanvas * canvas)38     GLFunctorDrawable(Functor* functor, GlFunctorLifecycleListener* listener, SkCanvas* canvas)
39             : mFunctor(functor), mListener(listener), mBounds(canvas->getLocalClipBounds()) {}
40     virtual ~GLFunctorDrawable();
41 
42     void syncFunctor() const;
43 
44 protected:
onGetBounds()45     virtual SkRect onGetBounds() override { return mBounds; }
46     virtual void onDraw(SkCanvas* canvas) override;
47 
48 private:
49     Functor* mFunctor;
50     sp<GlFunctorLifecycleListener> mListener;
51     const SkRect mBounds;
52 };
53 
54 };  // namespace skiapipeline
55 };  // namespace uirenderer
56 };  // namespace android
57