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      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 <nativebase/nativebase.h>
     20 #include <system/graphics.h>
     21 
     22 #define ANDROID_NATIVE_WINDOW_MAGIC ANDROID_NATIVE_MAKE_CONSTANT('_', 'w', 'n', 'd')
     23 
     24 enum {
     25     NATIVE_WINDOW_WIDTH = 0,
     26     NATIVE_WINDOW_HEIGHT = 1,
     27 };
     28 
     29 struct ANativeWindow {
     30     ANativeWindow() : flags(0), minSwapInterval(0), maxSwapInterval(0), xdpi(0), ydpi(0) {
     31         common.magic = ANDROID_NATIVE_BUFFER_MAGIC;
     32         common.version = sizeof(ANativeWindowBuffer);
     33         memset(common.reserved, 0, sizeof(common.reserved));
     34     }
     35 
     36     android_native_base_t common;
     37 
     38     const uint32_t flags;
     39     const int minSwapInterval;
     40     const int maxSwapInterval;
     41     const float xdpi;
     42     const float ydpi;
     43     intptr_t oem[4];
     44 
     45     int (*setSwapInterval)(ANativeWindow*, int);
     46     int (*dequeueBuffer_DEPRECATED)(ANativeWindow*, ANativeWindowBuffer**);
     47     int (*lockBuffer_DEPRECATED)(ANativeWindow*, ANativeWindowBuffer*);
     48     int (*queueBuffer_DEPRECATED)(ANativeWindow*, ANativeWindowBuffer*);
     49     int (*query)(const ANativeWindow*, int, int*);
     50     int (*perform)(ANativeWindow*, int, ...);
     51     int (*cancelBuffer_DEPRECATED)(ANativeWindow*, ANativeWindowBuffer*);
     52     int (*dequeueBuffer)(ANativeWindow*, ANativeWindowBuffer**, int*);
     53     int (*queueBuffer)(ANativeWindow*, ANativeWindowBuffer*, int);
     54     int (*cancelBuffer)(ANativeWindow*, ANativeWindowBuffer*, int);
     55 };
     56 
     57 static inline int native_window_set_usage(ANativeWindow*, uint64_t) {
     58     // No-op
     59     return 0;
     60 }
     61 
     62 static inline int native_window_dequeue_buffer_and_wait(ANativeWindow* anw,
     63                                                         ANativeWindowBuffer** anwb) {
     64     return anw->dequeueBuffer_DEPRECATED(anw, anwb);
     65 }
     66