1 /* 2 * Copyright (C) 2016 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 #pragma once 18 19 #include "DeferredLayerUpdater.h" 20 21 #include <SkCanvas.h> 22 #include <SkDrawable.h> 23 24 namespace android { 25 namespace uirenderer { 26 namespace skiapipeline { 27 28 /* 29 * Draws a layer backed by an OpenGL texture into a SkCanvas. 30 */ 31 class LayerDrawable : public SkDrawable { 32 public: 33 explicit LayerDrawable(DeferredLayerUpdater* layerUpdater) : mLayerUpdater(layerUpdater) {} 34 35 static bool DrawLayer(GrContext* context, SkCanvas* canvas, Layer* layer, const SkRect* srcRect, 36 const SkRect* dstRect, bool useLayerTransform); 37 38 protected: 39 virtual SkRect onGetBounds() override { 40 return SkRect::MakeWH(mLayerUpdater->getWidth(), mLayerUpdater->getHeight()); 41 } 42 virtual void onDraw(SkCanvas* canvas) override; 43 44 private: 45 sp<DeferredLayerUpdater> mLayerUpdater; 46 }; 47 48 } // namespace skiapipeline 49 } // namespace uirenderer 50 } // namespace android 51
