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
  19 // activates. Overrides the kEnableMainFrameBeforeActivation flag.
  20 const char kDisableMainFrameBeforeActivation[] =
  21     "disable-main-frame-before-activation";
  22
  23 // Enables sending the next BeginMainFrame before the previous commit activates.
  24 const char kEnableMainFrameBeforeActivation[] =
  25     "enable-main-frame-before-activation";
  26
  27 const char kEnableTopControlsPositionCalculation[] =
  28     "enable-top-controls-position-calculation";
  29
  30 // Percentage of the top controls need to be hidden before they will auto hide.
  31 const char kTopControlsHideThreshold[] = "top-controls-hide-threshold";
  32
  33 // Percentage of the top controls need to be shown before they will auto show.
  34 const char kTopControlsShowThreshold[] = "top-controls-show-threshold";
  35
  36 // Re-rasters everything multiple times to simulate a much slower machine.
  37 // Give a scale factor to cause raster to take that many times longer to
  38 // complete, such as --slow-down-raster-scale-factor=25.
  39 const char kSlowDownRasterScaleFactor[] = "slow-down-raster-scale-factor";
  40
  41 // Max tiles allowed for each tilings interest area.
  42 const char kMaxTilesForInterestArea[] = "max-tiles-for-interest-area";
  43
  44 // The amount of unused resource memory compositor is allowed to keep around.
  45 const char kMaxUnusedResourceMemoryUsagePercentage[] =
  46     "max-unused-resource-memory-usage-percentage";
  47
  48 // Causes the compositor to render to textures which are then sent to the parent
  49 // through the texture mailbox mechanism.
  50 // Requires --enable-compositor-frame-message.
  51 const char kCompositeToMailbox[] = "composite-to-mailbox";
  52
  53 // Check that property changes during paint do not occur.
  54 const char kStrictLayerPropertyChangeChecking[] =
  55     "strict-layer-property-change-checking";
  56
  57 // Virtual viewport for fixed-position elements, scrollbars during pinch.
  58 const char kEnablePinchVirtualViewport[] = "enable-pinch-virtual-viewport";
  59 const char kDisablePinchVirtualViewport[] = "disable-pinch-virtual-viewport";
  60
  61 // Disable partial swap which is needed for some OpenGL drivers / emulators.
  62 const char kUIDisablePartialSwap[] = "ui-disable-partial-swap";
  63
  64 // Enables the GPU benchmarking extension
  65 const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking";
  66
  67 // Renders a border around compositor layers to help debug and study
  68 // layer compositing.
  69 const char kShowCompositedLayerBorders[] = "show-composited-layer-borders";
  70 const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders";
  71
  72 // Draws a heads-up-display showing Frames Per Second as well as GPU memory
  73 // usage. If you also use --vmodule="head*=1" then FPS will also be output to
  74 // the console log.
  75 const char kShowFPSCounter[] = "show-fps-counter";
  76 const char kUIShowFPSCounter[] = "ui-show-fps-counter";
  77
  78 // Renders a border that represents the bounding box for the layer's animation.
  79 const char kShowLayerAnimationBounds[] = "show-layer-animation-bounds";
  80 const char kUIShowLayerAnimationBounds[] = "ui-show-layer-animation-bounds";
  81
  82 // Show rects in the HUD around layers whose properties have changed.
  83 const char kShowPropertyChangedRects[] = "show-property-changed-rects";
  84 const char kUIShowPropertyChangedRects[] = "ui-show-property-changed-rects";
  85
  86 // Show rects in the HUD around damage as it is recorded into each render
  87 // surface.
  88 const char kShowSurfaceDamageRects[] = "show-surface-damage-rects";
  89 const char kUIShowSurfaceDamageRects[] = "ui-show-surface-damage-rects";
  90
  91 // Show rects in the HUD around the screen-space transformed bounds of every
  92 // layer.
  93 const char kShowScreenSpaceRects[] = "show-screenspace-rects";
  94 const char kUIShowScreenSpaceRects[] = "ui-show-screenspace-rects";
  95
  96 // Show rects in the HUD around the screen-space transformed bounds of every
  97 // layer's replica, when they have one.
  98 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
  99 const char kUIShowReplicaScreenSpaceRects[] =
 100     "ui-show-replica-screenspace-rects";
 101
 102 // Prevents the layer tree unit tests from timing out.
 103 const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout";
 104
 105 // Makes pixel tests write their output instead of read it.
 106 const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests";
 107
 108 }  // namespace switches
 109 }  // namespace cc