src/third_party/trace-viewer/trace_viewer/cc/tile.html

   1 <!DOCTYPE html>
   2 <!--
   3 Copyright (c) 2013 The Chromium Authors. All rights reserved.
   4 Use of this source code is governed by a BSD-style license that can be
   5 found in the LICENSE file.
   6 -->
   7
   8 <link rel="import" href="/cc/util.html">
   9 <link rel="import" href="/cc/debug_colors.html">
  10 <link rel="import" href="/tvcm/rect.html">
  11 <link rel="import" href="/tracing/trace_model/object_instance.html">
  12
  13 <script>
  14 'use strict';
  15
  16 tvcm.exportTo('cc', function() {
  17   var ObjectSnapshot = tracing.trace_model.ObjectSnapshot;
  18
  19   /**
  20    * @constructor
  21    */
  22   function TileSnapshot() {
  23     ObjectSnapshot.apply(this, arguments);
  24   }
  25
  26   TileSnapshot.prototype = {
  27     __proto__: ObjectSnapshot.prototype,
  28
  29     preInitialize: function() {
  30       cc.preInitializeObject(this);
  31     },
  32
  33     initialize: function() {
  34       cc.moveOptionalFieldsFromArgsToToplevel(
  35           this, ['layerId', 'contentsScale', 'contentRect']);
  36       if (this.args.managedState) {
  37         this.resolution = this.args.managedState.resolution;
  38         this.isSolidColor = this.args.managedState.isSolidColor;
  39         this.isUsingGpuMemory = this.args.managedState.isUsingGpuMemory;
  40         this.hasResource = this.args.managedState.hasResource;
  41         this.scheduledPriority = this.args.managedState.scheduledPriority;
  42         if (this.args.managedState.distanceToVisible !== undefined)
  43           this.distanceToVisible =
  44               this.args.managedState.distanceToVisible;
  45         else {
  46           this.distanceToVisible =
  47               this.args.managedState.distanceToVisibleInPixels;
  48         }
  49       } else {
  50         this.resolution = 'HIGH_RESOLUTION';
  51         this.isSolidColor = false;
  52         this.isUsingGpuMemory = false;
  53         this.hasResource = false;
  54         this.scheduledPriority = undefined;
  55         this.distanceToVisible = undefined;
  56         this.timeToVisible = undefined;
  57       }
  58       if (this.timeToVisible > 60)
  59         this.timeToVisible = 60;
  60
  61       this.gpuMemoryUsageInBytes = this.args.gpuMemoryUsage;
  62
  63       // This check is for backward compatability. It can probably
  64       // be removed once we're confident that most traces contain
  65       // content_rect.
  66       if (this.contentRect)
  67         this.layerRect = this.contentRect.scale(1.0 / this.contentsScale);
  68
  69       if (this.isSolidColor)
  70         this.type_ = cc.tileTypes.solidColor;
  71       else if (!this.hasResource)
  72         this.type_ = cc.tileTypes.missing;
  73       else if (this.resolution === 'HIGH_RESOLUTION')
  74         this.type_ = cc.tileTypes.highRes;
  75       else if (this.resolution === 'LOW_RESOLUTION')
  76         this.type_ = cc.tileTypes.lowRes;
  77       else
  78         this.type_ = cc.tileTypes.unknown;
  79     },
  80
  81     getTypeForLayer: function(layer) {
  82       var type = this.type_;
  83       if (type == cc.tileTypes.unknown) {
  84         if (this.contentsScale < layer.idealContentsScale)
  85           type = cc.tileTypes.extraLowRes;
  86         else if (this.contentsScale > layer.idealContentsScale)
  87           type = cc.tileTypes.extraHighRes;
  88       }
  89       return type;
  90     }
  91   };
  92
  93   ObjectSnapshot.register('cc::Tile', TileSnapshot);
  94
  95   return {
  96     TileSnapshot: TileSnapshot
  97   };
  98 });
  99 </script>