cc/base/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/base/switches.h"
   6
   7 #include "base/command_line.h"
   8
   9 namespace cc {
  10 namespace switches {
  11
  12 const char kDisableThreadedAnimation[] = "disable-threaded-animation";
  13
  14 // Disables layer-edge anti-aliasing in the compositor.
  15 const char kDisableCompositedAntialiasing[] =
  16     "disable-composited-antialiasing";
  17
  18 // Disables sending the next BeginMainFrame before the previous commit has
  19 // drawn.
  20 const char kDisableMainFrameBeforeDraw[] = "disable-main-frame-before-draw";
  21
  22 // Disables sending the next BeginMainFrame before the previous commit
  23 // activates. Overrides the kEnableMainFrameBeforeActivation flag.
  24 const char kDisableMainFrameBeforeActivation[] =
  25     "disable-main-frame-before-activation";
  26
  27 // Enables sending the next BeginMainFrame before the previous commit activates.
  28 const char kEnableMainFrameBeforeActivation[] =
  29     "enable-main-frame-before-activation";
  30
  31 const char kEnableTopControlsPositionCalculation[] =
  32     "enable-top-controls-position-calculation";
  33
  34 // The height of the movable top controls.
  35 const char kTopControlsHeight[] = "top-controls-height";
  36
  37 // Percentage of the top controls need to be hidden before they will auto hide.
  38 const char kTopControlsHideThreshold[] = "top-controls-hide-threshold";
  39
  40 // Percentage of the top controls need to be shown before they will auto show.
  41 const char kTopControlsShowThreshold[] = "top-controls-show-threshold";
  42
  43 // Re-rasters everything multiple times to simulate a much slower machine.
  44 // Give a scale factor to cause raster to take that many times longer to
  45 // complete, such as --slow-down-raster-scale-factor=25.
  46 const char kSlowDownRasterScaleFactor[] = "slow-down-raster-scale-factor";
  47
  48 // Max tiles allowed for each tilings interest area.
  49 const char kMaxTilesForInterestArea[] = "max-tiles-for-interest-area";
  50
  51 // The amount of unused resource memory compositor is allowed to keep around.
  52 const char kMaxUnusedResourceMemoryUsagePercentage[] =
  53     "max-unused-resource-memory-usage-percentage";
  54
  55 // Causes the compositor to render to textures which are then sent to the parent
  56 // through the texture mailbox mechanism.
  57 // Requires --enable-compositor-frame-message.
  58 const char kCompositeToMailbox[] = "composite-to-mailbox";
  59
  60 // Check that property changes during paint do not occur.
  61 const char kStrictLayerPropertyChangeChecking[] =
  62     "strict-layer-property-change-checking";
  63
  64 // Virtual viewport for fixed-position elements, scrollbars during pinch.
  65 const char kEnablePinchVirtualViewport[] = "enable-pinch-virtual-viewport";
  66
  67 // Disable partial swap which is needed for some OpenGL drivers / emulators.
  68 const char kUIDisablePartialSwap[] = "ui-disable-partial-swap";
  69
  70 // Enables the GPU benchmarking extension
  71 const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking";
  72
  73 // Renders a border around compositor layers to help debug and study
  74 // layer compositing.
  75 const char kShowCompositedLayerBorders[] = "show-composited-layer-borders";
  76 const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders";
  77
  78 // Draws a FPS indicator
  79 const char kShowFPSCounter[] = "show-fps-counter";
  80 const char kUIShowFPSCounter[] = "ui-show-fps-counter";
  81
  82 // Renders a border that represents the bounding box for the layer's animation.
  83 const char kShowLayerAnimationBounds[] = "show-layer-animation-bounds";
  84 const char kUIShowLayerAnimationBounds[] = "ui-show-layer-animation-bounds";
  85
  86 // Show rects in the HUD around layers whose properties have changed.
  87 const char kShowPropertyChangedRects[] = "show-property-changed-rects";
  88 const char kUIShowPropertyChangedRects[] = "ui-show-property-changed-rects";
  89
  90 // Show rects in the HUD around damage as it is recorded into each render
  91 // surface.
  92 const char kShowSurfaceDamageRects[] = "show-surface-damage-rects";
  93 const char kUIShowSurfaceDamageRects[] = "ui-show-surface-damage-rects";
  94
  95 // Show rects in the HUD around the screen-space transformed bounds of every
  96 // layer.
  97 const char kShowScreenSpaceRects[] = "show-screenspace-rects";
  98 const char kUIShowScreenSpaceRects[] = "ui-show-screenspace-rects";
  99
 100 // Show rects in the HUD around the screen-space transformed bounds of every
 101 // layer's replica, when they have one.
 102 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
 103 const char kUIShowReplicaScreenSpaceRects[] =
 104     "ui-show-replica-screenspace-rects";
 105
 106 // Show rects in the HUD wherever something is known to be drawn opaque and is
 107 // considered occluding the pixels behind it.
 108 const char kShowOccludingRects[] = "show-occluding-rects";
 109 const char kUIShowOccludingRects[] = "ui-show-occluding-rects";
 110
 111 // Show rects in the HUD wherever something is not known to be drawn opaque and
 112 // is not considered to be occluding the pixels behind it.
 113 const char kShowNonOccludingRects[] = "show-nonoccluding-rects";
 114 const char kUIShowNonOccludingRects[] = "ui-show-nonoccluding-rects";
 115
 116 // Prevents the layer tree unit tests from timing out.
 117 const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout";
 118
 119 // Makes pixel tests write their output instead of read it.
 120 const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests";
 121
 122 // Disable touch hit testing in the compositor.
 123 const char kDisableCompositorTouchHitTesting[] =
 124     "disable-compositor-touch-hit-testing";
 125
 126 }  // namespace switches
 127 }  // namespace cc