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1 /*
2  * Copyright (C) 2015 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 ShadowGridAnimation;
20 
21 static TestScene::Registrar _ShadowGrid(TestScene::Info{
22     "shadowgrid",
23     "A grid of rounded rects that cast a shadow. Simplified scenario of an "
24     "Android TV-style launcher interface. High CPU/GPU load.",
25     TestScene::simpleCreateScene<ShadowGridAnimation>
26 });
27 
28 class ShadowGridAnimation : 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         for (int x = dp(16); x < (width - dp(116)); x += dp(116)) {
36             for (int y = dp(16); y < (height - dp(116)); y += dp(116)) {
37                 sp<RenderNode> card = createCard(x, y, dp(100), dp(100));
38                 canvas.drawRenderNode(card.get());
39                 cards.push_back(card);
40             }
41         }
42 
43         canvas.insertReorderBarrier(false);
44     }
doFrame(int frameNr)45     void doFrame(int frameNr) override {
46         int curFrame = frameNr % 150;
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(dp(16));
58             props.mutableOutline().setRoundRect(0, 0, width, height, dp(6), 1);
59             props.mutableOutline().setShouldClip(true);
60             canvas.drawColor(0xFFEEEEEE, SkBlendMode::kSrcOver);
61         });
62     }
63 };
64