cc/tiles/frame_viewer_instrumentation.h

   1 // Copyright 2014 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_TILES_FRAME_VIEWER_INSTRUMENTATION_H_
   6 #define CC_TILES_FRAME_VIEWER_INSTRUMENTATION_H_
   7
   8 #include "base/trace_event/trace_event.h"
   9 #include "cc/cc_export.h"
  10 #include "cc/tiles/tile_priority.h"
  11
  12 namespace cc {
  13 namespace frame_viewer_instrumentation {
  14
  15 constexpr const char* CategoryLayerTree() {
  16   // Declared as a constexpr function to have an external linkage and to be
  17   // known at compile-time.
  18   return TRACE_DISABLED_BY_DEFAULT("cc.debug") "," TRACE_DISABLED_BY_DEFAULT(
  19       "viz.quads") "," TRACE_DISABLED_BY_DEFAULT("devtools.timeline.layers");
  20 }
  21
  22 class ScopedAnalyzeTask {
  23  public:
  24   ScopedAnalyzeTask(const void* tile_id,
  25                     TileResolution tile_resolution,
  26                     int source_frame_number,
  27                     int layer_id);
  28   ScopedAnalyzeTask(const ScopedAnalyzeTask&) = delete;
  29   ~ScopedAnalyzeTask();
  30
  31   ScopedAnalyzeTask& operator=(const ScopedAnalyzeTask&) = delete;
  32 };
  33
  34 class ScopedRasterTask {
  35  public:
  36   ScopedRasterTask(const void* tile_id,
  37                    TileResolution tile_resolution,
  38                    int source_frame_number,
  39                    int layer_id);
  40   ScopedRasterTask(const ScopedRasterTask&) = delete;
  41   ~ScopedRasterTask();
  42
  43   ScopedRasterTask& operator=(const ScopedRasterTask&) = delete;
  44 };
  45
  46 bool CC_EXPORT IsTracingLayerTreeSnapshots();
  47
  48 }  // namespace frame_viewer_instrumentation
  49 }  // namespace cc
  50
  51 #endif  // CC_TILES_FRAME_VIEWER_INSTRUMENTATION_H_