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