ui/compositor/compositor_switches.cc

   1 // Copyright (c) 2012 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/compositor/compositor_switches.h"
   6
   7 #include "base/command_line.h"
   8
   9 namespace switches {
  10
  11 // Enable compositing individual elements via hardware overlays when
  12 // permitted by device.
  13 const char kEnableHardwareOverlays[] = "enable-hardware-overlays";
  14
  15 // Forces tests to produce pixel output when they normally wouldn't.
  16 const char kEnablePixelOutputInTests[] = "enable-pixel-output-in-tests";
  17
  18 const char kUIDisableThreadedCompositing[] = "ui-disable-threaded-compositing";
  19
  20 const char kUIEnableCompositorAnimationTimelines[] =
  21     "ui-enable-compositor-animation-timelines";
  22
  23 const char kUIEnableImplSidePainting[] = "ui-enable-impl-side-painting";
  24
  25 const char kUIEnableZeroCopy[] = "ui-enable-zero-copy";
  26
  27 const char kUIShowPaintRects[] = "ui-show-paint-rects";
  28
  29 }  // namespace switches
  30
  31 namespace ui {
  32
  33 bool IsUIImplSidePaintingEnabled() {
  34   const base::CommandLine& command_line =
  35       *base::CommandLine::ForCurrentProcess();
  36
  37   return command_line.HasSwitch(switches::kUIEnableImplSidePainting);
  38 }
  39
  40 bool IsUIZeroCopyEnabled() {
  41   const base::CommandLine& command_line =
  42       *base::CommandLine::ForCurrentProcess();
  43
  44   return command_line.HasSwitch(switches::kUIEnableZeroCopy);
  45 }
  46
  47 bool IsUIOneCopyEnabled() {
  48   // One-copy is on by default unless zero copy is enabled.
  49   return !IsUIZeroCopyEnabled();
  50 }
  51
  52 }  // namespace ui