cc/base/switches.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Defines all the "cc" command-line switches.

#ifndef CC_BASE_SWITCHES_H_
#define CC_BASE_SWITCHES_H_

#include "cc/base/cc_export.h"

// Since cc is used from the render process, anything that goes here also needs
// to be added to render_process_host_impl.cc.

namespace cc {
namespace switches {

// Switches for the renderer compositor only.
CC_EXPORT extern const char kBackgroundColorInsteadOfCheckerboard[];
CC_EXPORT extern const char kDisableImplSidePainting[];
CC_EXPORT extern const char kDisableThreadedAnimation[];
CC_EXPORT extern const char kDisableCompositedAntialiasing[];
CC_EXPORT extern const char kEnableImplSidePainting[];
CC_EXPORT extern const char kEnableTopControlsPositionCalculation[];
CC_EXPORT extern const char kForceDirectLayerDrawing[];
CC_EXPORT extern const char kJankInsteadOfCheckerboard[];
CC_EXPORT extern const char kNumRasterThreads[];
CC_EXPORT extern const char kTopControlsHeight[];
CC_EXPORT extern const char kTopControlsHideThreshold[];
CC_EXPORT extern const char kTraceOverdraw[];
CC_EXPORT extern const char kTopControlsShowThreshold[];
CC_EXPORT extern const char kSlowDownRasterScaleFactor[];
CC_EXPORT extern const char kLowResolutionContentsScaleFactor[];
CC_EXPORT extern const char kCompositeToMailbox[];
CC_EXPORT extern const char kMaxTilesForInterestArea[];
CC_EXPORT extern const char kMaxUnusedResourceMemoryUsagePercentage[];
CC_EXPORT extern const char kEnablePinchVirtualViewport[];
CC_EXPORT extern const char kEnablePartialSwap[];
CC_EXPORT extern const char kStrictLayerPropertyChangeChecking[];
CC_EXPORT extern const char kUseMapImage[];

// Switches for both the renderer and ui compositors.
CC_EXPORT extern const char kUIDisablePartialSwap[];
CC_EXPORT extern const char kEnablePerTilePainting[];
CC_EXPORT extern const char kUIEnablePerTilePainting[];

// Debug visualizations.
CC_EXPORT extern const char kShowCompositedLayerBorders[];
CC_EXPORT extern const char kUIShowCompositedLayerBorders[];
CC_EXPORT extern const char kShowFPSCounter[];
CC_EXPORT extern const char kUIShowFPSCounter[];
CC_EXPORT extern const char kShowPropertyChangedRects[];
CC_EXPORT extern const char kUIShowPropertyChangedRects[];
CC_EXPORT extern const char kShowSurfaceDamageRects[];
CC_EXPORT extern const char kUIShowSurfaceDamageRects[];
CC_EXPORT extern const char kShowScreenSpaceRects[];
CC_EXPORT extern const char kUIShowScreenSpaceRects[];
CC_EXPORT extern const char kShowReplicaScreenSpaceRects[];
CC_EXPORT extern const char kUIShowReplicaScreenSpaceRects[];
CC_EXPORT extern const char kShowOccludingRects[];
CC_EXPORT extern const char kUIShowOccludingRects[];
CC_EXPORT extern const char kShowNonOccludingRects[];
CC_EXPORT extern const char kUIShowNonOccludingRects[];

// Unit test related.
CC_EXPORT extern const char kCCLayerTreeTestNoTimeout[];

CC_EXPORT bool IsImplSidePaintingEnabled();

}  // namespace switches
}  // namespace cc

#endif  // CC_BASE_SWITCHES_H_