cc/tiles/tile.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/tiles/tile.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/trace_event/trace_event_argument.h"
  10 #include "cc/base/math_util.h"
  11 #include "cc/debug/traced_value.h"
  12 #include "cc/tiles/tile_manager.h"
  13
  14 namespace cc {
  15
  16 Tile::Id Tile::s_next_id_ = 0;
  17
  18 Tile::Tile(TileManager* tile_manager,
  19            const gfx::Size& desired_texture_size,
  20            const gfx::Rect& content_rect,
  21            float contents_scale,
  22            int layer_id,
  23            int source_frame_number,
  24            int flags)
  25     : tile_manager_(tile_manager),
  26       desired_texture_size_(desired_texture_size),
  27       content_rect_(content_rect),
  28       contents_scale_(contents_scale),
  29       layer_id_(layer_id),
  30       source_frame_number_(source_frame_number),
  31       flags_(flags),
  32       tiling_i_index_(-1),
  33       tiling_j_index_(-1),
  34       required_for_activation_(false),
  35       required_for_draw_(false),
  36       id_(s_next_id_++),
  37       scheduled_priority_(0) {
  38 }
  39
  40 Tile::~Tile() {
  41   TRACE_EVENT_OBJECT_DELETED_WITH_ID(
  42       TRACE_DISABLED_BY_DEFAULT("cc.debug"),
  43       "cc::Tile", this);
  44 }
  45
  46 void Tile::AsValueInto(base::trace_event::TracedValue* value) const {
  47   TracedValue::MakeDictIntoImplicitSnapshotWithCategory(
  48       TRACE_DISABLED_BY_DEFAULT("cc.debug"), value, "cc::Tile", this);
  49   value->SetDouble("contents_scale", contents_scale_);
  50
  51   MathUtil::AddToTracedValue("content_rect", content_rect_, value);
  52
  53   value->SetInteger("layer_id", layer_id_);
  54
  55   value->BeginDictionary("draw_info");
  56   draw_info_.AsValueInto(value);
  57   value->EndDictionary();
  58
  59   value->SetBoolean("has_resource", draw_info().has_resource());
  60   value->SetBoolean("is_using_gpu_memory",
  61                     draw_info().has_resource() || HasRasterTask());
  62   value->SetInteger("scheduled_priority", scheduled_priority_);
  63   value->SetBoolean("use_picture_analysis", use_picture_analysis());
  64   value->SetInteger("gpu_memory_usage", GPUMemoryUsageInBytes());
  65 }
  66
  67 size_t Tile::GPUMemoryUsageInBytes() const {
  68   if (draw_info_.resource_)
  69     return draw_info_.resource_->bytes();
  70   return 0;
  71 }
  72
  73 void Tile::Deleter::operator()(Tile* tile) const {
  74   TileManager* tile_manager = tile->tile_manager_;
  75   tile_manager->Release(tile);
  76 }
  77
  78 }  // namespace cc