1 /* 2 * Copyright (C) 2017 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 #ifndef _HWC2_TEST_PIXEL_COMPARATOR_H 17 #define _HWC2_TEST_PIXEL_COMPARATOR_H 18 19 #include <ui/GraphicBuffer.h> 20 #include <cstdint> 21 #include <string> 22 #include <utility> 23 #include <vector> 24 25 class ComparatorResult { 26 public: get()27 static ComparatorResult& get() 28 { 29 static ComparatorResult instance; 30 return instance; 31 } 32 33 void CompareBuffers(android::sp<android::GraphicBuffer>& resultBuffer, 34 android::sp<android::GraphicBuffer>& expectedBuffer); 35 36 std::string dumpComparison() const; 37 38 ComparatorResult(const ComparatorResult&) = delete; 39 ComparatorResult(ComparatorResult&&) = delete; 40 ComparatorResult& operator=(ComparatorResult const&) = delete; 41 ComparatorResult& operator=(ComparatorResult&&) = delete; 42 getDifferentPixelCount()43 int32_t getDifferentPixelCount() const { return mDifferentPixelCount; } getBlankPixelCount()44 int32_t getBlankPixelCount() const { return mBlankPixelCount; } 45 46 private: 47 ComparatorResult() = default; 48 uint32_t getPixel(int32_t x, int32_t y, uint32_t stride, uint8_t* img) const; 49 std::string pixelDiff(uint32_t x, uint32_t y, uint32_t resultPixel, 50 uint32_t expectedPixel) const; 51 52 int32_t mDifferentPixelCount; 53 int32_t mBlankPixelCount; 54 /* std::tuple<X coordinate, Y coordinate, resultPixel, expectedPixel> */ 55 std::vector<std::tuple<uint32_t, uint32_t, uint32_t, uint32_t>> 56 mComparisons; 57 }; 58 59 #endif /* ifndef _HWC2_TEST_PIXEL_COMPARATOR_H */ 60