cc/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 "cc/switches.h"
   6
   7 namespace cc {
   8 namespace switches {
   9
  10 // On platforms where checkerboards are used, prefer background colors instead
  11 // of checkerboards.
  12 const char kBackgroundColorInsteadOfCheckerboard[] =
  13     "background-color-instead-of-checkerboard";
  14
  15 const char kDisableThreadedAnimation[]      = "disable-threaded-animation";
  16
  17 // Paint content on the compositor thread instead of the main thread.
  18 const char kEnableImplSidePainting[] = "enable-impl-side-painting";
  19
  20 const char kEnablePartialSwap[]             = "enable-partial-swap";
  21
  22 const char kEnablePerTilePainting[]         = "enable-per-tile-painting";
  23
  24 // Enables an alternative pinch-zoom gesture support, via the threaded
  25 // compositor.
  26 const char kEnablePinchInCompositor[]       = "enable-pinch-in-compositor";
  27
  28 // Show rects in the HUD around layers whose properties have changed.
  29 const char kShowPropertyChangedRects[] = "show-property-changed-rects";
  30
  31 // Show rects in the HUD around damage as it is recorded into each render
  32 // surface.
  33 const char kShowSurfaceDamageRects[] = "show-surface-damage-rects";
  34
  35 // Show rects in the HUD around the screen-space transformed bounds of every
  36 // layer.
  37 const char kShowScreenSpaceRects[] = "show-screenspace-rects";
  38
  39 // Show rects in the HUD around the screen-space transformed bounds of every
  40 // layer's replica, when they have one.
  41 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
  42
  43 // Show rects in the HUD wherever something is known to be drawn opaque and is
  44 // considered occluding the pixels behind it.
  45 const char kShowOccludingRects[] = "show-occluding-rects";
  46
  47 // Show rects in the HUD wherever something is not known to be drawn opaque and
  48 // is not considered to be occluding the pixels behind it.
  49 const char kShowNonOccludingRects[] = "show-nonoccluding-rects";
  50
  51 // Show metrics about overdraw in about:tracing recordings, such as the number
  52 // of pixels culled, and the number of pixels drawn, for each frame.
  53 const char kTraceOverdraw[] = "trace-overdraw";
  54
  55 }  // namespace switches
  56 }  // namespace cc