1 /*
2  * Copyright (C) 2018 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 <android/hardware_buffer.h>
20 #include <utils/NdkUtils.h>
21 #include <utils/RefBase.h>
22 
23 #include "FunctorDrawable.h"
24 
25 namespace android {
26 namespace uirenderer {
27 
28 namespace skiapipeline {
29 
30 /**
31  * This drawable wraps a Vulkan functor enabling it to be recorded into a list
32  * of Skia drawing commands.
33  */
34 class VkInteropFunctorDrawable : public FunctorDrawable {
35 public:
36     using FunctorDrawable::FunctorDrawable;
37 
~VkInteropFunctorDrawable()38     virtual ~VkInteropFunctorDrawable() {}
39 
40     static void vkInvokeFunctor(Functor* functor);
41 
42     void syncFunctor(const WebViewSyncData& data) const override;
43 
44 protected:
45     virtual void onDraw(SkCanvas* canvas) override;
46 
47 private:
48     // Variables below describe/store temporary offscreen buffer used for Vulkan pipeline.
49     UniqueAHardwareBuffer mFrameBuffer;
50     SkImageInfo mFBInfo;
51 };
52 
53 }  // namespace skiapipeline
54 }  // namespace uirenderer
55 }  // namespace android
56