1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef INTERFACES_INNERKITS_SURFACE_SURFACE_UTILS_H 17 #define INTERFACES_INNERKITS_SURFACE_SURFACE_UTILS_H 18 19 #include <unordered_map> 20 #include <mutex> 21 #include "surface.h" 22 23 namespace OHOS { 24 class SurfaceUtils { 25 public: 26 static SurfaceUtils* GetInstance(); 27 28 // get surface by uniqueId. 29 sptr<Surface> GetSurface(uint64_t uniqueId); 30 // maintenance map with uniqueId and surface. 31 SurfaceError Add(uint64_t uniqueId, const wptr<Surface> &surface); 32 // remove surface by uniqueId. 33 SurfaceError Remove(uint64_t uniqueId); 34 // Compute transform matrix 35 void ComputeTransformMatrix(float matrix[16], uint32_t matrixSize, 36 sptr<SurfaceBuffer>& buffer, GraphicTransformType& transform, const Rect& crop); 37 void ComputeTransformMatrixV2(float matrix[16], uint32_t matrixSize, 38 sptr<SurfaceBuffer>& buffer, GraphicTransformType& transform, const Rect& crop); 39 void ComputeBufferMatrix(float matrix[16], uint32_t matrixSize, 40 sptr<SurfaceBuffer>& buffer, GraphicTransformType& transform, const Rect& crop); 41 42 void* GetNativeWindow(uint64_t uniqueId); 43 SurfaceError AddNativeWindow(uint64_t uniqueId, void *nativeWidow); 44 SurfaceError RemoveNativeWindow(uint64_t uniqueId); 45 46 private: 47 SurfaceUtils() = default; 48 virtual ~SurfaceUtils(); 49 std::array<float, 16> MatrixProduct(const std::array<float, 16>& lMat, const std::array<float, 16>& rMat); 50 static constexpr uint32_t TRANSFORM_MATRIX_ELE_COUNT = 16; 51 void ComputeTransformByMatrix(GraphicTransformType& transform, 52 std::array<float, TRANSFORM_MATRIX_ELE_COUNT> *transformMatrix); 53 void ComputeTransformByMatrixV2(GraphicTransformType& transform, 54 std::array<float, TRANSFORM_MATRIX_ELE_COUNT> *transformMatrix); 55 56 std::unordered_map<uint64_t, wptr<Surface>> surfaceCache_; 57 std::mutex mutex_; 58 std::unordered_map<uint64_t, void*> nativeWindowCache_; 59 }; 60 } // namespace OHOS 61 62 #endif // INTERFACES_INNERKITS_SURFACE_SURFACE_UTILS_H 63