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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 PartialDamageAnimation;
20 
21 static 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 
29 class PartialDamageAnimation : public TestScene {
30 public:
31     std::vector< sp<RenderNode> > cards;
createContent(int width,int height,TestCanvas & canvas)32     void createContent(int width, int height, TestCanvas& canvas) override {
33         static SkColor COLORS[] = {
34                 0xFFF44336,
35                 0xFF9C27B0,
36                 0xFF2196F3,
37                 0xFF4CAF50,
38         };
39 
40         canvas.drawColor(0xFFFFFFFF, SkXfermode::kSrcOver_Mode);
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, TestCanvas& canvas) {
48                     canvas.drawColor(color, SkXfermode::kSrcOver_Mode);
49                 });
50                 canvas.drawRenderNode(card.get());
51                 cards.push_back(card);
52             }
53         }
54     }
doFrame(int frameNr)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](TestCanvas& canvas) {
62             SkColor color = TestUtils::interpolateColor(
63                     curFrame / 150.0f, 0xFFF44336, 0xFFF8BBD0);
64             canvas.drawColor(color, SkXfermode::kSrcOver_Mode);
65         });
66     }
67 };
68