ShadowGridAnimation.cpp revision 27e58b4f54d693ff1db7ab2edb5d47ca296c1278 
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
19class ShadowGridAnimation;
20
21static 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
28class ShadowGridAnimation : public TestScene {
29public:
30    std::vector< sp<RenderNode> > cards;
31    void createContent(int width, int height, TestCanvas& canvas) override {
32        canvas.drawColor(0xFFFFFFFF, SkXfermode::kSrcOver_Mode);
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    }
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    }
53private:
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, TestCanvas& 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, SkXfermode::kSrcOver_Mode);
61        });
62    }
63};
64