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 // Defines all the "cc" command-line switches. 6 7 #ifndef CC_BASE_SWITCHES_H_ 8 #define CC_BASE_SWITCHES_H_ 9 10 #include "cc/base/cc_export.h" 11 12 // Since cc is used from the render process, anything that goes here also needs 13 // to be added to render_process_host_impl.cc. 14 15 namespace cc { 16 namespace switches { 17 18 // Switches for the renderer compositor only. 19 CC_EXPORT extern const char kBackgroundColorInsteadOfCheckerboard[]; 20 CC_EXPORT extern const char kDisableImplSidePainting[]; 21 CC_EXPORT extern const char kDisableThreadedAnimation[]; 22 CC_EXPORT extern const char kDisableCompositedAntialiasing[]; 23 CC_EXPORT extern const char kEnableImplSidePainting[]; 24 CC_EXPORT extern const char kEnableTopControlsPositionCalculation[]; 25 CC_EXPORT extern const char kForceDirectLayerDrawing[]; 26 CC_EXPORT extern const char kJankInsteadOfCheckerboard[]; 27 CC_EXPORT extern const char kNumRasterThreads[]; 28 CC_EXPORT extern const char kTopControlsHeight[]; 29 CC_EXPORT extern const char kTopControlsHideThreshold[]; 30 CC_EXPORT extern const char kTraceOverdraw[]; 31 CC_EXPORT extern const char kTopControlsShowThreshold[]; 32 CC_EXPORT extern const char kSlowDownRasterScaleFactor[]; 33 CC_EXPORT extern const char kLowResolutionContentsScaleFactor[]; 34 CC_EXPORT extern const char kCompositeToMailbox[]; 35 CC_EXPORT extern const char kMaxTilesForInterestArea[]; 36 CC_EXPORT extern const char kMaxUnusedResourceMemoryUsagePercentage[]; 37 CC_EXPORT extern const char kEnablePinchVirtualViewport[]; 38 CC_EXPORT extern const char kEnablePartialSwap[]; 39 CC_EXPORT extern const char kStrictLayerPropertyChangeChecking[]; 40 CC_EXPORT extern const char kUseMapImage[]; 41 CC_EXPORT extern const char kDisableCompositorTouchHitTesting[]; 42 43 // Switches for both the renderer and ui compositors. 44 CC_EXPORT extern const char kUIDisablePartialSwap[]; 45 CC_EXPORT extern const char kEnablePerTilePainting[]; 46 CC_EXPORT extern const char kUIEnablePerTilePainting[]; 47 48 // Debug visualizations. 49 CC_EXPORT extern const char kShowCompositedLayerBorders[]; 50 CC_EXPORT extern const char kUIShowCompositedLayerBorders[]; 51 CC_EXPORT extern const char kShowFPSCounter[]; 52 CC_EXPORT extern const char kUIShowFPSCounter[]; 53 CC_EXPORT extern const char kShowPropertyChangedRects[]; 54 CC_EXPORT extern const char kUIShowPropertyChangedRects[]; 55 CC_EXPORT extern const char kShowSurfaceDamageRects[]; 56 CC_EXPORT extern const char kUIShowSurfaceDamageRects[]; 57 CC_EXPORT extern const char kShowScreenSpaceRects[]; 58 CC_EXPORT extern const char kUIShowScreenSpaceRects[]; 59 CC_EXPORT extern const char kShowReplicaScreenSpaceRects[]; 60 CC_EXPORT extern const char kUIShowReplicaScreenSpaceRects[]; 61 CC_EXPORT extern const char kShowOccludingRects[]; 62 CC_EXPORT extern const char kUIShowOccludingRects[]; 63 CC_EXPORT extern const char kShowNonOccludingRects[]; 64 CC_EXPORT extern const char kUIShowNonOccludingRects[]; 65 66 // Unit test related. 67 CC_EXPORT extern const char kCCLayerTreeTestNoTimeout[]; 68 69 CC_EXPORT bool IsImplSidePaintingEnabled(); 70 71 } // namespace switches 72 } // namespace cc 73 74 #endif // CC_BASE_SWITCHES_H_ 75