cc/debug/devtools_instrumentation.h

   1 // Copyright 2013 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 #ifndef CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
   6 #define CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
   7
   8 #include "base/debug/trace_event.h"
   9
  10 namespace cc {
  11 namespace devtools_instrumentation {
  12
  13 namespace internal {
  14 const char kCategory[] = "cc,devtools";
  15 const char kLayerId[] = "layerId";
  16 const char kPaintLayer[] = "PaintLayer";
  17 const char kRasterTask[] = "RasterTask";
  18 }
  19
  20 struct ScopedPaintLayer {
  21   explicit ScopedPaintLayer(int layer_id) {
  22     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kPaintLayer,
  23         internal::kLayerId, layer_id);
  24   }
  25   ~ScopedPaintLayer() {
  26     TRACE_EVENT_END0(internal::kCategory, internal::kPaintLayer);
  27   }
  28
  29   DISALLOW_COPY_AND_ASSIGN(ScopedPaintLayer);
  30 };
  31
  32 struct ScopedRasterTask {
  33   explicit ScopedRasterTask(int layer_id) {
  34     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kRasterTask,
  35         internal::kLayerId, layer_id);
  36   }
  37   ~ScopedRasterTask() {
  38     TRACE_EVENT_END0(internal::kCategory, internal::kRasterTask);
  39   }
  40
  41   DISALLOW_COPY_AND_ASSIGN(ScopedRasterTask);
  42 };
  43
  44 struct ScopedLayerObjectTracker
  45     : public base::debug::TraceScopedTrackableObject<int> {
  46   explicit ScopedLayerObjectTracker(int layer_id)
  47       : base::debug::TraceScopedTrackableObject<int>(
  48             internal::kCategory,
  49             internal::kLayerId,
  50             layer_id) {
  51   }
  52
  53   DISALLOW_COPY_AND_ASSIGN(ScopedLayerObjectTracker);
  54 };
  55
  56 }  // namespace devtools_instrumentation
  57 }  // namespace cc
  58
  59 #endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
  60