PartialDamageAnimation.cpp revision 260ab726486317496bc12a57d599ea96dcde3284 
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 PartialDamageAnimation;
20
21static TestScene::Registrar _PartialDamage(TestScene::Info{
22    "partialdamage",
23    "Tests the partial invalidation path. Draws a grid of rects and animates 1 "
24    "of them, should be low CPU & GPU load if EGL_EXT_buffer_age or "
25    "EGL_KHR_partial_update is supported by the device & are enabled in hwui.",
26    TestScene::simpleCreateScene<PartialDamageAnimation>
27});
28
29class PartialDamageAnimation : public TestScene {
30public:
31    std::vector< sp<RenderNode> > cards;
32    void createContent(int width, int height, Canvas& canvas) override {
33        static SkColor COLORS[] = {
34                0xFFF44336,
35                0xFF9C27B0,
36                0xFF2196F3,
37                0xFF4CAF50,
38        };
39
40        canvas.drawColor(0xFFFFFFFF, SkBlendMode::kSrcOver);
41
42        for (int x = dp(16); x < (width - dp(116)); x += dp(116)) {
43            for (int y = dp(16); y < (height - dp(116)); y += dp(116)) {
44                SkColor color = COLORS[static_cast<int>((y / dp(116))) % 4];
45                sp<RenderNode> card = TestUtils::createNode(x, y,
46                        x + dp(100), y + dp(100),
47                        [color](RenderProperties& props, Canvas& canvas) {
48                    canvas.drawColor(color, SkBlendMode::kSrcOver);
49                });
50                canvas.drawRenderNode(card.get());
51                cards.push_back(card);
52            }
53        }
54    }
55    void doFrame(int frameNr) override {
56        int curFrame = frameNr % 150;
57        cards[0]->mutateStagingProperties().setTranslationX(curFrame);
58        cards[0]->mutateStagingProperties().setTranslationY(curFrame);
59        cards[0]->setPropertyFieldsDirty(RenderNode::X | RenderNode::Y);
60
61        TestUtils::recordNode(*cards[0], [curFrame](Canvas& canvas) {
62            SkColor color = TestUtils::interpolateColor(
63                    curFrame / 150.0f, 0xFFF44336, 0xFFF8BBD0);
64            canvas.drawColor(color, SkBlendMode::kSrcOver);
65        });
66    }
67};
68