cc/debug/frame_viewer_instrumentation.cc

   1 // Copyright 2014 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/debug/frame_viewer_instrumentation.h"
   6
   7 namespace cc {
   8 namespace frame_viewer_instrumentation {
   9 namespace {
  10
  11 const char kCategory[] = "cc," TRACE_DISABLED_BY_DEFAULT("devtools.timeline");
  12 const char kTileData[] = "tileData";
  13 const char kLayerId[] = "layerId";
  14 const char kTileId[] = "tileId";
  15 const char kTileResolution[] = "tileResolution";
  16 const char kSourceFrameNumber[] = "sourceFrameNumber";
  17
  18 const char kAnalyzeTask[] = "AnalyzeTask";
  19 const char kRasterTask[] = "RasterTask";
  20
  21 scoped_refptr<base::trace_event::ConvertableToTraceFormat> TileDataAsValue(
  22     const void* tile_id,
  23     TileResolution tile_resolution,
  24     int source_frame_number,
  25     int layer_id) {
  26   scoped_refptr<base::trace_event::TracedValue> res(
  27       new base::trace_event::TracedValue());
  28   TracedValue::SetIDRef(tile_id, res.get(), kTileId);
  29   res->SetString(kTileResolution, TileResolutionToString(tile_resolution));
  30   res->SetInteger(kSourceFrameNumber, source_frame_number);
  31   res->SetInteger(kLayerId, layer_id);
  32   return res;
  33 }
  34
  35 }  // namespace
  36
  37 ScopedAnalyzeTask::ScopedAnalyzeTask(const void* tile_id,
  38                                      TileResolution tile_resolution,
  39                                      int source_frame_number,
  40                                      int layer_id) {
  41   TRACE_EVENT_BEGIN1(
  42       kCategory, kAnalyzeTask, kTileData,
  43       TileDataAsValue(tile_id, tile_resolution, source_frame_number, layer_id));
  44 }
  45
  46 ScopedAnalyzeTask::~ScopedAnalyzeTask() {
  47   TRACE_EVENT_END0(kCategory, kAnalyzeTask);
  48 }
  49
  50 ScopedRasterTask::ScopedRasterTask(const void* tile_id,
  51                                    TileResolution tile_resolution,
  52                                    int source_frame_number,
  53                                    int layer_id) {
  54   TRACE_EVENT_BEGIN1(
  55       kCategory, kRasterTask, kTileData,
  56       TileDataAsValue(tile_id, tile_resolution, source_frame_number, layer_id));
  57 }
  58
  59 ScopedRasterTask::~ScopedRasterTask() {
  60   TRACE_EVENT_END0(kCategory, kRasterTask);
  61 }
  62
  63 }  // namespace frame_viewer_instrumentation
  64 }  // namespace cc