1 /* 2 * Copyright (c) 2025 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 RS_SLR_SCALE_H 17 #define RS_SLR_SCALE_H 18 19 #include "params/rs_screen_render_params.h" 20 #include "pipeline/render_thread/rs_base_render_util.h" 21 #include "pipeline/rs_paint_filter_canvas.h" 22 23 namespace OHOS { 24 namespace Rosen { 25 const float SLR_SCALE_THR_HIGH = 0.79f; 26 class RSSLRScaleFunction { 27 public: 28 RSSLRScaleFunction(float dstWidth, float dstHeight, float srcWidth, float srcHeight); 29 ~RSSLRScaleFunction() = default; 30 void CheckOrRefreshScreen( 31 float dstWidth, float dstHeight, float srcWidth, float srcHeight); 32 void CanvasScale(RSPaintFilterCanvas& canvas); 33 void ProcessCacheImage(RSPaintFilterCanvas& canvas, Drawing::Image& cacheImageProcessed); 34 void ProcessOffscreenImage(RSPaintFilterCanvas& canvas, Drawing::Image& offscreenImage); 35 GetIsSLRCopy()36 bool GetIsSLRCopy() const 37 { 38 return isSLRCopy_; 39 } 40 GetScaleNum()41 float GetScaleNum() const 42 { 43 return scaleNum_; 44 } 45 GetSaveCount()46 uint32_t GetSaveCount() const 47 { 48 return saveCount_; 49 } 50 GetScaleMatrix()51 Drawing::Matrix GetScaleMatrix() const 52 { 53 return scaleMatrix_; 54 } 55 GetKernelSize()56 int GetKernelSize() const 57 { 58 return kernelSize_; 59 } 60 CheckOrRefreshColorSpace(GraphicColorGamut colorGamut)61 void CheckOrRefreshColorSpace(GraphicColorGamut colorGamut) 62 { 63 if (colorGamut_ == colorGamut) { 64 return; 65 } 66 RefreshColorSpace(colorGamut); 67 } 68 69 private: 70 void RefreshScreenData(); 71 void RefreshColorSpace(GraphicColorGamut colorGamut); 72 std::shared_ptr<Drawing::ShaderEffect> GetSLRShaderEffect(float coeff, int dstWidth); 73 std::shared_ptr<Rosen::Drawing::Image> ProcessSLRImage(RSPaintFilterCanvas& canvas, 74 Drawing::Image& cacheImageProcessed); 75 std::shared_ptr<Drawing::RuntimeShaderBuilder> SLRImageShaderBuilder( 76 const Drawing::Image& image); 77 std::shared_ptr<Drawing::RuntimeShaderBuilder> LaplaceShaderBuilder(const Drawing::Image& image); 78 static std::shared_ptr<Drawing::RuntimeEffect> MakeSLRShaderEffect(); 79 static std::shared_ptr<Drawing::RuntimeEffect> MakeLaplaceShaderEffect(); 80 bool isSLRCopy_ = true; 81 float mirrorWidth_; 82 float mirrorHeight_; 83 float srcWidth_; 84 float srcHeight_; 85 float dstWidth_ = 1.0f; 86 float dstHeight_ = 1.0f; 87 float scaleNum_ = 1.0f; 88 float alpha_ = 0.15f; 89 uint32_t saveCount_ = 0; 90 int kernelSize_ = 2; 91 Drawing::Matrix scaleMatrix_; 92 GraphicColorGamut colorGamut_; 93 std::shared_ptr<Drawing::ColorSpace> imageColorSpace_; 94 std::shared_ptr<Drawing::ShaderEffect> widthEffect_; 95 std::shared_ptr<Drawing::ShaderEffect> heightEffect_; 96 97 static std::shared_ptr<Drawing::RuntimeEffect> slrFilterShader_; 98 static std::shared_ptr<Drawing::RuntimeEffect> laplaceFilterShader_; 99 static std::shared_ptr<Drawing::RuntimeShaderBuilder> slrShaderBuilder_; 100 static std::shared_ptr<Drawing::RuntimeShaderBuilder> laplaceShaderBuilder_; 101 }; 102 } 103 } 104 #endif // RS_SLR_SCALE_H