Upstream version 11.40.277.0
[platform/framework/web/crosswalk.git] / src / 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 // The height of the movable top controls.
31 const char kTopControlsHeight[] = "top-controls-height";
32
33 // Percentage of the top controls need to be hidden before they will auto hide.
34 const char kTopControlsHideThreshold[] = "top-controls-hide-threshold";
35
36 // Percentage of the top controls need to be shown before they will auto show.
37 const char kTopControlsShowThreshold[] = "top-controls-show-threshold";
38
39 // Re-rasters everything multiple times to simulate a much slower machine.
40 // Give a scale factor to cause raster to take that many times longer to
41 // complete, such as --slow-down-raster-scale-factor=25.
42 const char kSlowDownRasterScaleFactor[] = "slow-down-raster-scale-factor";
43
44 // Max tiles allowed for each tilings interest area.
45 const char kMaxTilesForInterestArea[] = "max-tiles-for-interest-area";
46
47 // The amount of unused resource memory compositor is allowed to keep around.
48 const char kMaxUnusedResourceMemoryUsagePercentage[] =
49     "max-unused-resource-memory-usage-percentage";
50
51 // Causes the compositor to render to textures which are then sent to the parent
52 // through the texture mailbox mechanism.
53 // Requires --enable-compositor-frame-message.
54 const char kCompositeToMailbox[] = "composite-to-mailbox";
55
56 // Check that property changes during paint do not occur.
57 const char kStrictLayerPropertyChangeChecking[] =
58     "strict-layer-property-change-checking";
59
60 // Virtual viewport for fixed-position elements, scrollbars during pinch.
61 const char kEnablePinchVirtualViewport[] = "enable-pinch-virtual-viewport";
62 const char kDisablePinchVirtualViewport[] = "disable-pinch-virtual-viewport";
63
64 // Disable partial swap which is needed for some OpenGL drivers / emulators.
65 const char kUIDisablePartialSwap[] = "ui-disable-partial-swap";
66
67 // Enables the GPU benchmarking extension
68 const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking";
69
70 // Renders a border around compositor layers to help debug and study
71 // layer compositing.
72 const char kShowCompositedLayerBorders[] = "show-composited-layer-borders";
73 const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders";
74
75 // Draws a heads-up-display showing Frames Per Second as well as GPU memory
76 // usage. If you also use --vmodule="head*=1" then FPS will also be output to
77 // the console log.
78 const char kShowFPSCounter[] = "show-fps-counter";
79 const char kUIShowFPSCounter[] = "ui-show-fps-counter";
80
81 // Renders a border that represents the bounding box for the layer's animation.
82 const char kShowLayerAnimationBounds[] = "show-layer-animation-bounds";
83 const char kUIShowLayerAnimationBounds[] = "ui-show-layer-animation-bounds";
84
85 // Show rects in the HUD around layers whose properties have changed.
86 const char kShowPropertyChangedRects[] = "show-property-changed-rects";
87 const char kUIShowPropertyChangedRects[] = "ui-show-property-changed-rects";
88
89 // Show rects in the HUD around damage as it is recorded into each render
90 // surface.
91 const char kShowSurfaceDamageRects[] = "show-surface-damage-rects";
92 const char kUIShowSurfaceDamageRects[] = "ui-show-surface-damage-rects";
93
94 // Show rects in the HUD around the screen-space transformed bounds of every
95 // layer.
96 const char kShowScreenSpaceRects[] = "show-screenspace-rects";
97 const char kUIShowScreenSpaceRects[] = "ui-show-screenspace-rects";
98
99 // Show rects in the HUD around the screen-space transformed bounds of every
100 // layer's replica, when they have one.
101 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
102 const char kUIShowReplicaScreenSpaceRects[] =
103     "ui-show-replica-screenspace-rects";
104
105 // Show rects in the HUD wherever something is known to be drawn opaque and is
106 // considered occluding the pixels behind it.
107 const char kShowOccludingRects[] = "show-occluding-rects";
108 const char kUIShowOccludingRects[] = "ui-show-occluding-rects";
109
110 // Show rects in the HUD wherever something is not known to be drawn opaque and
111 // is not considered to be occluding the pixels behind it.
112 const char kShowNonOccludingRects[] = "show-nonoccluding-rects";
113 const char kUIShowNonOccludingRects[] = "ui-show-nonoccluding-rects";
114
115 // Prevents the layer tree unit tests from timing out.
116 const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout";
117
118 // Makes pixel tests write their output instead of read it.
119 const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests";
120
121 }  // namespace switches
122 }  // namespace cc