cc/base/switches.h

   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
  42 // Switches for both the renderer and ui compositors.
  43 CC_EXPORT extern const char kUIDisablePartialSwap[];
  44 CC_EXPORT extern const char kEnablePerTilePainting[];
  45 CC_EXPORT extern const char kUIEnablePerTilePainting[];
  46
  47 // Debug visualizations.
  48 CC_EXPORT extern const char kShowCompositedLayerBorders[];
  49 CC_EXPORT extern const char kUIShowCompositedLayerBorders[];
  50 CC_EXPORT extern const char kShowFPSCounter[];
  51 CC_EXPORT extern const char kUIShowFPSCounter[];
  52 CC_EXPORT extern const char kShowPropertyChangedRects[];
  53 CC_EXPORT extern const char kUIShowPropertyChangedRects[];
  54 CC_EXPORT extern const char kShowSurfaceDamageRects[];
  55 CC_EXPORT extern const char kUIShowSurfaceDamageRects[];
  56 CC_EXPORT extern const char kShowScreenSpaceRects[];
  57 CC_EXPORT extern const char kUIShowScreenSpaceRects[];
  58 CC_EXPORT extern const char kShowReplicaScreenSpaceRects[];
  59 CC_EXPORT extern const char kUIShowReplicaScreenSpaceRects[];
  60 CC_EXPORT extern const char kShowOccludingRects[];
  61 CC_EXPORT extern const char kUIShowOccludingRects[];
  62 CC_EXPORT extern const char kShowNonOccludingRects[];
  63 CC_EXPORT extern const char kUIShowNonOccludingRects[];
  64
  65 // Unit test related.
  66 CC_EXPORT extern const char kCCLayerTreeTestNoTimeout[];
  67
  68 CC_EXPORT bool IsImplSidePaintingEnabled();
  69
  70 }  // namespace switches
  71 }  // namespace cc
  72
  73 #endif  // CC_BASE_SWITCHES_H_