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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;
     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