Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1)

Side by Side Diff: cc/debug/frame_rate_counter.cc

Issue 12676029: cc: Fix capitalization style in chromified files. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « cc/debug/fake_web_graphics_context_3d.cc ('k') | cc/debug/overdraw_metrics.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/debug/frame_rate_counter.h" 5 #include "cc/debug/frame_rate_counter.h"
6 6
7 #include <limits> 7 #include <limits>
8 8
9 #include "base/metrics/histogram.h" 9 #include "base/metrics/histogram.h"
10 #include "cc/trees/proxy.h" 10 #include "cc/trees/proxy.h"
(...skipping 93 matching lines...) Expand 10 before | Expand all | Expand 10 after
104 104
105 // Walk backwards through the samples looking for a run of good frame 105 // Walk backwards through the samples looking for a run of good frame
106 // timings from which to compute the mean. 106 // timings from which to compute the mean.
107 // 107 //
108 // Slow frames occur just because the user is inactive, and should be 108 // Slow frames occur just because the user is inactive, and should be
109 // ignored. Fast frames are ignored if the scheduler is in single-thread 109 // ignored. Fast frames are ignored if the scheduler is in single-thread
110 // mode in order to represent the true frame rate in spite of the fact that 110 // mode in order to represent the true frame rate in spite of the fact that
111 // the first few swapbuffers happen instantly which skews the statistics 111 // the first few swapbuffers happen instantly which skews the statistics
112 // too much for short lived animations. 112 // too much for short lived animations.
113 // 113 //
114 // isBadFrameInterval encapsulates the frame too slow/frame too fast logic. 114 // IsBadFrameInterval encapsulates the frame too slow/frame too fast logic.
115 115
116 for (RingBufferType::Iterator it = --ring_buffer_.End(); 116 for (RingBufferType::Iterator it = --ring_buffer_.End();
117 it && frame_times_total < 1.0; 117 it && frame_times_total < 1.0;
118 --it) { 118 --it) {
119 base::TimeDelta delta = RecentFrameInterval(it.index() + 1); 119 base::TimeDelta delta = RecentFrameInterval(it.index() + 1);
120 120
121 if (!IsBadFrameInterval(delta)) { 121 if (!IsBadFrameInterval(delta)) {
122 frame_count++; 122 frame_count++;
123 frame_times_total += delta.InSecondsF(); 123 frame_times_total += delta.InSecondsF();
124 } else if (frame_count) { 124 } else if (frame_count) {
125 break; 125 break;
126 } 126 }
127 } 127 }
128 128
129 if (frame_count) { 129 if (frame_count) {
130 DCHECK_GT(frame_times_total, 0.0); 130 DCHECK_GT(frame_times_total, 0.0);
131 average_fps = frame_count / frame_times_total; 131 average_fps = frame_count / frame_times_total;
132 } 132 }
133 133
134 return average_fps; 134 return average_fps;
135 } 135 }
136 136
137 } // namespace cc 137 } // namespace cc
OLDNEW
« no previous file with comments | « cc/debug/fake_web_graphics_context_3d.cc ('k') | cc/debug/overdraw_metrics.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698