Roll src/third_party/WebKit d9c6159:8139f33 (svn 201974:201975)
[chromium-blink-merge.git] / cc / base / switches.cc
blobbd980507a7eb3226026ae171c08fd02d861cf98a
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.
5 #include "cc/base/switches.h"
7 #include "base/command_line.h"
9 namespace cc {
10 namespace switches {
12 const char kDisableThreadedAnimation[] = "disable-threaded-animation";
14 // Disables layer-edge anti-aliasing in the compositor.
15 const char kDisableCompositedAntialiasing[] =
16 "disable-composited-antialiasing";
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";
23 // Enables sending the next BeginMainFrame before the previous commit activates.
24 const char kEnableMainFrameBeforeActivation[] =
25 "enable-main-frame-before-activation";
27 // Percentage of the top controls need to be hidden before they will auto hide.
28 const char kTopControlsHideThreshold[] = "top-controls-hide-threshold";
30 // Percentage of the top controls need to be shown before they will auto show.
31 const char kTopControlsShowThreshold[] = "top-controls-show-threshold";
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";
38 // Causes the compositor to render to textures which are then sent to the parent
39 // through the texture mailbox mechanism.
40 // Requires --enable-compositor-frame-message.
41 const char kCompositeToMailbox[] = "composite-to-mailbox";
43 // Check that property changes during paint do not occur.
44 const char kStrictLayerPropertyChangeChecking[] =
45 "strict-layer-property-change-checking";
47 // Ensures that the draw properties computed via the property trees match those
48 // computed by CalcDrawProperties.
49 const char kEnablePropertyTreeVerification[] =
50 "enable-property-tree-verification";
52 // Disable partial swap which is needed for some OpenGL drivers / emulators.
53 const char kUIDisablePartialSwap[] = "ui-disable-partial-swap";
55 // Use a BeginFrame signal from browser to renderer to schedule rendering.
56 const char kEnableBeginFrameScheduling[] = "enable-begin-frame-scheduling";
58 // Enables the GPU benchmarking extension
59 const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking";
61 // Renders a border around compositor layers to help debug and study
62 // layer compositing.
63 const char kShowCompositedLayerBorders[] = "show-composited-layer-borders";
64 const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders";
66 // Draws a heads-up-display showing Frames Per Second as well as GPU memory
67 // usage. If you also use --vmodule="head*=1" then FPS will also be output to
68 // the console log.
69 const char kShowFPSCounter[] = "show-fps-counter";
70 const char kUIShowFPSCounter[] = "ui-show-fps-counter";
72 // Renders a border that represents the bounding box for the layer's animation.
73 const char kShowLayerAnimationBounds[] = "show-layer-animation-bounds";
74 const char kUIShowLayerAnimationBounds[] = "ui-show-layer-animation-bounds";
76 // Show rects in the HUD around layers whose properties have changed.
77 const char kShowPropertyChangedRects[] = "show-property-changed-rects";
78 const char kUIShowPropertyChangedRects[] = "ui-show-property-changed-rects";
80 // Show rects in the HUD around damage as it is recorded into each render
81 // surface.
82 const char kShowSurfaceDamageRects[] = "show-surface-damage-rects";
83 const char kUIShowSurfaceDamageRects[] = "ui-show-surface-damage-rects";
85 // Show rects in the HUD around the screen-space transformed bounds of every
86 // layer.
87 const char kShowScreenSpaceRects[] = "show-screenspace-rects";
88 const char kUIShowScreenSpaceRects[] = "ui-show-screenspace-rects";
90 // Show rects in the HUD around the screen-space transformed bounds of every
91 // layer's replica, when they have one.
92 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
93 const char kUIShowReplicaScreenSpaceRects[] =
94 "ui-show-replica-screenspace-rects";
96 // Prevents the layer tree unit tests from timing out.
97 const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout";
99 // Makes pixel tests write their output instead of read it.
100 const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests";
102 } // namespace switches
103 } // namespace cc