cc/base/switches.cc

// 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.

#include "cc/base/switches.h"

#include "base/command_line.h"

namespace cc {
namespace switches {

const char kDisableThreadedAnimation[] = "disable-threaded-animation";

// Disables the use of a cached picture for raster in the renderer,
// making raster go directly from the display item list (this is the data
// structure surfaced to tracing). This is useful for debugging to remove
// the cached picture from the pipeline to narrow down bugs.
const char kDisableCachedPictureRaster[] = "disable-cached-picture-raster";

// Disables layer-edge anti-aliasing in the compositor.
const char kDisableCompositedAntialiasing[] =
    "disable-composited-antialiasing";

// Disables sending the next BeginMainFrame before the previous commit
// activates. Overrides the kEnableMainFrameBeforeActivation flag.
const char kDisableMainFrameBeforeActivation[] =
    "disable-main-frame-before-activation";

// Enables sending the next BeginMainFrame before the previous commit activates.
const char kEnableMainFrameBeforeActivation[] =
    "enable-main-frame-before-activation";

// Percentage of the top controls need to be hidden before they will auto hide.
const char kTopControlsHideThreshold[] = "top-controls-hide-threshold";

// Percentage of the top controls need to be shown before they will auto show.
const char kTopControlsShowThreshold[] = "top-controls-show-threshold";

// Re-rasters everything multiple times to simulate a much slower machine.
// Give a scale factor to cause raster to take that many times longer to
// complete, such as --slow-down-raster-scale-factor=25.
const char kSlowDownRasterScaleFactor[] = "slow-down-raster-scale-factor";

// Check that property changes during paint do not occur.
const char kStrictLayerPropertyChangeChecking[] =
    "strict-layer-property-change-checking";

// Ensures that the draw properties computed via the property trees match those
// computed by CalcDrawProperties.
const char kEnablePropertyTreeVerification[] =
    "enable-property-tree-verification";

// Use a BeginFrame signal from browser to renderer to schedule rendering.
const char kEnableBeginFrameScheduling[] = "enable-begin-frame-scheduling";

// Enables the GPU benchmarking extension
const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking";

// Disables the use of property trees rather than CalcDrawProps for computing
// draw properties.
const char kDisableCompositorPropertyTrees[] =
    "disable-compositor-property-trees";

// Renders a border around compositor layers to help debug and study
// layer compositing.
const char kShowCompositedLayerBorders[] = "show-composited-layer-borders";
const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders";

// Renders a border that represents the bounding box for the layer's animation.
const char kShowLayerAnimationBounds[] = "show-layer-animation-bounds";
const char kUIShowLayerAnimationBounds[] = "ui-show-layer-animation-bounds";

// Show rects in the HUD around layers whose properties have changed.
const char kShowPropertyChangedRects[] = "show-property-changed-rects";
const char kUIShowPropertyChangedRects[] = "ui-show-property-changed-rects";

// Show rects in the HUD around damage as it is recorded into each render
// surface.
const char kShowSurfaceDamageRects[] = "show-surface-damage-rects";
const char kUIShowSurfaceDamageRects[] = "ui-show-surface-damage-rects";

// Show rects in the HUD around the screen-space transformed bounds of every
// layer.
const char kShowScreenSpaceRects[] = "show-screenspace-rects";
const char kUIShowScreenSpaceRects[] = "ui-show-screenspace-rects";

// Show rects in the HUD around the screen-space transformed bounds of every
// layer's replica, when they have one.
const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
const char kUIShowReplicaScreenSpaceRects[] =
    "ui-show-replica-screenspace-rects";

// Prevents the layer tree unit tests from timing out.
const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout";

// Makes pixel tests write their output instead of read it.
const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests";

}  // namespace switches
}  // namespace cc