Home | History | Annotate | Download | only in ui
      1 /*
      2  * Copyright 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 <vector>
     20 
     21 namespace android {
     22 
     23 struct DisplayedFrameStats {
     24     /* The number of frames represented by this sample. */
     25     uint64_t numFrames = 0;
     26     /* A histogram counting how many times a pixel of a given value was displayed onscreen for
     27      * FORMAT_COMPONENT_0. The buckets of the histogram are evenly weighted, the number of buckets
     28      * is device specific. eg, for RGBA_8888, if sampleComponent0 is {10, 6, 4, 1} this means that
     29      * 10 red pixels were displayed onscreen in range 0x00->0x3F, 6 red pixels
     30      * were displayed onscreen in range 0x40->0x7F, etc.
     31      */
     32     std::vector<uint64_t> component_0_sample = {};
     33     /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_1. */
     34     std::vector<uint64_t> component_1_sample = {};
     35     /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_2. */
     36     std::vector<uint64_t> component_2_sample = {};
     37     /* The same sample definition as sampleComponent0, but for FORMAT_COMPONENT_3. */
     38     std::vector<uint64_t> component_3_sample = {};
     39 };
     40 
     41 } // namespace android
     42