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 kUIEnableImplSidePainting[] = "ui-enable-impl-side-painting";
  21
  22 const char kUIEnableZeroCopy[] = "ui-enable-zero-copy";
  23
  24 const char kUIShowPaintRects[] = "ui-show-paint-rects";
  25
  26 }  // namespace switches
  27
  28 namespace ui {
  29
  30 bool IsUIImplSidePaintingEnabled() {
  31   const base::CommandLine& command_line =
  32       *base::CommandLine::ForCurrentProcess();
  33
  34   return command_line.HasSwitch(switches::kUIEnableImplSidePainting);
  35 }
  36
  37 bool IsUIZeroCopyEnabled() {
  38   const base::CommandLine& command_line =
  39       *base::CommandLine::ForCurrentProcess();
  40
  41   return command_line.HasSwitch(switches::kUIEnableZeroCopy);
  42 }
  43
  44 bool IsUIOneCopyEnabled() {
  45   // One-copy is on by default unless zero copy is enabled.
  46   return !IsUIZeroCopyEnabled();
  47 }
  48
  49 }  // namespace ui