1/* 2 * Copyright (C) 2012 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#include "Layer.h" 18 19#include "renderstate/RenderState.h" 20 21#include <SkToSRGBColorFilter.h> 22 23namespace android { 24namespace uirenderer { 25 26Layer::Layer(RenderState& renderState, Api api, sk_sp<SkColorFilter> colorFilter, int alpha, 27 SkBlendMode mode) 28 : GpuMemoryTracker(GpuObjectType::Layer) 29 , mRenderState(renderState) 30 , mApi(api) 31 , mColorFilter(colorFilter) 32 , alpha(alpha) 33 , mode(mode) { 34 // TODO: This is a violation of Android's typical ref counting, but it 35 // preserves the old inc/dec ref locations. This should be changed... 36 incStrong(nullptr); 37 buildColorSpaceWithFilter(); 38 renderState.registerLayer(this); 39} 40 41Layer::~Layer() { 42 mRenderState.unregisterLayer(this); 43} 44 45void Layer::setColorFilter(sk_sp<SkColorFilter> filter) { 46 if (filter != mColorFilter) { 47 mColorFilter = filter; 48 buildColorSpaceWithFilter(); 49 } 50} 51 52void Layer::setDataSpace(android_dataspace dataspace) { 53 if (dataspace != mCurrentDataspace) { 54 mCurrentDataspace = dataspace; 55 buildColorSpaceWithFilter(); 56 } 57} 58 59void Layer::buildColorSpaceWithFilter() { 60 sk_sp<SkColorFilter> colorSpaceFilter; 61 sk_sp<SkColorSpace> colorSpace = DataSpaceToColorSpace(mCurrentDataspace); 62 if (colorSpace && !colorSpace->isSRGB()) { 63 colorSpaceFilter = SkToSRGBColorFilter::Make(colorSpace); 64 } 65 66 if (mColorFilter && colorSpaceFilter) { 67 mColorSpaceWithFilter = mColorFilter->makeComposed(colorSpaceFilter); 68 } else if (colorSpaceFilter) { 69 mColorSpaceWithFilter = colorSpaceFilter; 70 } else { 71 mColorSpaceWithFilter = mColorFilter; 72 } 73} 74 75void Layer::postDecStrong() { 76 mRenderState.postDecStrong(this); 77} 78 79}; // namespace uirenderer 80}; // namespace android 81