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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 <stdint.h>
20 
21 struct SkRect;
22 typedef void* EGLSurface;
23 
24 namespace android {
25 namespace uirenderer {
26 namespace renderthread {
27 
28 class Frame {
29 public:
Frame(int32_t width,int32_t height,int32_t bufferAge)30     Frame(int32_t width, int32_t height, int32_t bufferAge)
31             : mWidth(width), mHeight(height), mBufferAge(bufferAge) {}
32 
width()33     int32_t width() const { return mWidth; }
height()34     int32_t height() const { return mHeight; }
35 
36     // See: https://www.khronos.org/registry/egl/extensions/EXT/EGL_EXT_buffer_age.txt
37     // for what this means
bufferAge()38     int32_t bufferAge() const { return mBufferAge; }
39 
40 private:
Frame()41     Frame() {}
42     friend class EglManager;
43 
44     int32_t mWidth;
45     int32_t mHeight;
46     int32_t mBufferAge;
47 
48     EGLSurface mSurface;
49 
50     // Maps from 0,0 in top-left to 0,0 in bottom-left
51     // If out is not an int32_t[4] you're going to have a bad time
52     void map(const SkRect& in, int32_t* out) const;
53 };
54 
55 } /* namespace renderthread */
56 } /* namespace uirenderer */
57 } /* namespace android */
58