1 /* 2 * Copyright (C) 2017 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 "TestSceneBase.h" 18 19 class ShadowShaderAnimation; 20 21 static TestScene::Registrar _ShadowShader(TestScene::Info{ 22 "shadowshader", 23 "A set of overlapping shadowed areas with simple tessellation useful for" 24 " benchmarking shadow shader performance.", 25 TestScene::simpleCreateScene<ShadowShaderAnimation> 26 }); 27 28 class ShadowShaderAnimation : public TestScene { 29 public: 30 std::vector< sp<RenderNode> > cards; createContent(int width,int height,Canvas & canvas)31 void createContent(int width, int height, Canvas& canvas) override { 32 canvas.drawColor(0xFFFFFFFF, SkBlendMode::kSrcOver); 33 canvas.insertReorderBarrier(true); 34 35 int outset = 50; 36 for (int i = 0; i < 10; i++) { 37 sp<RenderNode> card = createCard(outset, outset, 38 width - (outset * 2), height - (outset * 2)); 39 canvas.drawRenderNode(card.get()); 40 cards.push_back(card); 41 } 42 43 canvas.insertReorderBarrier(false); 44 } doFrame(int frameNr)45 void doFrame(int frameNr) override { 46 int curFrame = frameNr % 10; 47 for (size_t ci = 0; ci < cards.size(); ci++) { 48 cards[ci]->mutateStagingProperties().setTranslationX(curFrame); 49 cards[ci]->mutateStagingProperties().setTranslationY(curFrame); 50 cards[ci]->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y); 51 } 52 } 53 private: createCard(int x,int y,int width,int height)54 sp<RenderNode> createCard(int x, int y, int width, int height) { 55 return TestUtils::createNode(x, y, x + width, y + height, 56 [width, height](RenderProperties& props, Canvas& canvas) { 57 props.setElevation(1000); 58 59 // Set 0 radius, no clipping, so shadow is easy to compute. Slightly transparent outline 60 // to signal contents aren't opaque (not necessary though, as elevation is so high, no 61 // inner content to cut out) 62 props.mutableOutline().setRoundRect(0, 0, width, height, 0, 0.99f); 63 props.mutableOutline().setShouldClip(false); 64 65 // don't draw anything to card's canvas - we just want the shadow 66 }); 67 } 68 }; 69