1 /* 2 * Copyright 2024 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 #pragma once 17 18 #include <SkBitmap.h> 19 #include <SkImage.h> 20 #include <SkRuntimeEffect.h> 21 22 #include <aidl/android/hardware/graphics/composer3/LutProperties.h> 23 #include <gui/DisplayLuts.h> 24 #include <ui/GraphicTypes.h> 25 26 namespace android { 27 namespace renderengine { 28 namespace skia { 29 30 class LutShader { 31 public: 32 sk_sp<SkShader> lutShader(sk_sp<SkShader>& input, std::shared_ptr<gui::DisplayLuts> displayLuts, 33 ui::Dataspace srcDataspace, sk_sp<SkColorSpace> outColorSpace); 34 35 private: 36 sk_sp<SkShader> generateLutShader(sk_sp<SkShader> input, const std::vector<float>& buffers, 37 const int32_t offset, const int32_t length, 38 const int32_t dimension, const int32_t size, 39 const int32_t samplingKey, ui::Dataspace srcDataspace); 40 std::unique_ptr<SkRuntimeShaderBuilder> mBuilder; 41 }; 42 43 } // namespace skia 44 } // namespace renderengine 45 } // namespace android 46