ui/gl/angle_platform_impl.cc

   1 // Copyright 2015 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 "ui/gl/angle_platform_impl.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "base/metrics/sparse_histogram.h"
   9
  10 namespace gfx {
  11
  12 ANGLEPlatformImpl::ANGLEPlatformImpl() {
  13 }
  14
  15 ANGLEPlatformImpl::~ANGLEPlatformImpl() {
  16 }
  17
  18 void ANGLEPlatformImpl::histogramCustomCounts(const char* name,
  19                                               int sample,
  20                                               int min,
  21                                               int max,
  22                                               int bucket_count) {
  23   // Copied from histogram macro, but without the static variable caching
  24   // the histogram because name is dynamic.
  25   base::HistogramBase* counter = base::Histogram::FactoryGet(
  26       name, min, max, bucket_count,
  27       base::HistogramBase::kUmaTargetedHistogramFlag);
  28   DCHECK_EQ(name, counter->histogram_name());
  29   counter->Add(sample);
  30 }
  31
  32 void ANGLEPlatformImpl::histogramEnumeration(const char* name,
  33                                              int sample,
  34                                              int boundary_value) {
  35   // Copied from histogram macro, but without the static variable caching
  36   // the histogram because name is dynamic.
  37   base::HistogramBase* counter = base::LinearHistogram::FactoryGet(
  38       name, 1, boundary_value, boundary_value + 1,
  39       base::HistogramBase::kUmaTargetedHistogramFlag);
  40   DCHECK_EQ(name, counter->histogram_name());
  41   counter->Add(sample);
  42 }
  43
  44 void ANGLEPlatformImpl::histogramSparse(const char* name, int sample) {
  45   // For sparse histograms, we can use the macro, as it does not incorporate a
  46   // static.
  47   UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample);
  48 }
  49
  50 }  // namespace gfx