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 const char kDisablePinchVirtualViewport[] = "disable-pinch-virtual-viewport"; 67 68 // Disable partial swap which is needed for some OpenGL drivers / emulators. 69 const char kUIDisablePartialSwap[] = "ui-disable-partial-swap"; 70 71 // Enables the GPU benchmarking extension 72 const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking"; 73 74 // Renders a border around compositor layers to help debug and study 75 // layer compositing. 76 const char kShowCompositedLayerBorders[] = "show-composited-layer-borders"; 77 const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders"; 78 79 // Draws a FPS indicator 80 const char kShowFPSCounter[] = "show-fps-counter"; 81 const char kUIShowFPSCounter[] = "ui-show-fps-counter"; 82 83 // Renders a border that represents the bounding box for the layer's animation. 84 const char kShowLayerAnimationBounds[] = "show-layer-animation-bounds"; 85 const char kUIShowLayerAnimationBounds[] = "ui-show-layer-animation-bounds"; 86 87 // Show rects in the HUD around layers whose properties have changed. 88 const char kShowPropertyChangedRects[] = "show-property-changed-rects"; 89 const char kUIShowPropertyChangedRects[] = "ui-show-property-changed-rects"; 90 91 // Show rects in the HUD around damage as it is recorded into each render 92 // surface. 93 const char kShowSurfaceDamageRects[] = "show-surface-damage-rects"; 94 const char kUIShowSurfaceDamageRects[] = "ui-show-surface-damage-rects"; 95 96 // Show rects in the HUD around the screen-space transformed bounds of every 97 // layer. 98 const char kShowScreenSpaceRects[] = "show-screenspace-rects"; 99 const char kUIShowScreenSpaceRects[] = "ui-show-screenspace-rects"; 100 101 // Show rects in the HUD around the screen-space transformed bounds of every 102 // layer's replica, when they have one. 103 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects"; 104 const char kUIShowReplicaScreenSpaceRects[] = 105 "ui-show-replica-screenspace-rects"; 106 107 // Show rects in the HUD wherever something is known to be drawn opaque and is 108 // considered occluding the pixels behind it. 109 const char kShowOccludingRects[] = "show-occluding-rects"; 110 const char kUIShowOccludingRects[] = "ui-show-occluding-rects"; 111 112 // Show rects in the HUD wherever something is not known to be drawn opaque and 113 // is not considered to be occluding the pixels behind it. 114 const char kShowNonOccludingRects[] = "show-nonoccluding-rects"; 115 const char kUIShowNonOccludingRects[] = "ui-show-nonoccluding-rects"; 116 117 // Prevents the layer tree unit tests from timing out. 118 const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout"; 119 120 // Makes pixel tests write their output instead of read it. 121 const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests"; 122 123 // Disable touch hit testing in the compositor. 124 const char kDisableCompositorTouchHitTesting[] = 125 "disable-compositor-touch-hit-testing"; 126 127 } // namespace switches 128 } // namespace cc 129