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// Copyright 2017 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 "components/viz/common/features.h"
#include "base/command_line.h"
#include "build/build_config.h"
#include "components/viz/common/switches.h"
namespace features {
// Enables running draw occlusion algorithm to remove Draw Quads that are not
// shown on screen from CompositorFrame.
const base::Feature kEnableDrawOcclusion{"DrawOcclusion",
base::FEATURE_ENABLED_BY_DEFAULT};
#if defined(USE_AURA) || defined(OS_MACOSX)
const base::Feature kEnableSurfaceSynchronization{
"SurfaceSynchronization", base::FEATURE_ENABLED_BY_DEFAULT};
#else
const base::Feature kEnableSurfaceSynchronization{
"SurfaceSynchronization", base::FEATURE_DISABLED_BY_DEFAULT};
#endif
// Enables DumpWithoutCrashing of surface invariants violations.
const base::Feature kEnableInvariantsViolationLogging{
"InvariantsViolationLogging", base::FEATURE_DISABLED_BY_DEFAULT};
// Enables running the display compositor as part of the viz service in the GPU
// process. This is also referred to as out-of-process display compositor
// (OOP-D).
const base::Feature kVizDisplayCompositor{"VizDisplayCompositor",
base::FEATURE_DISABLED_BY_DEFAULT};
// Enables running the Viz-assisted hit-test logic.
const base::Feature kEnableVizHitTestDrawQuad{
"VizHitTestDrawQuad", base::FEATURE_DISABLED_BY_DEFAULT};
const base::Feature kEnableVizHitTestSurfaceLayer{
"VizHitTestSurfaceLayer", base::FEATURE_DISABLED_BY_DEFAULT};
bool IsSurfaceSynchronizationEnabled() {
auto* command_line = base::CommandLine::ForCurrentProcess();
return base::FeatureList::IsEnabled(kEnableSurfaceSynchronization) ||
command_line->HasSwitch(switches::kEnableSurfaceSynchronization) ||
base::FeatureList::IsEnabled(kVizDisplayCompositor);
}
bool IsSurfaceInvariantsViolationLoggingEnabled() {
return IsSurfaceSynchronizationEnabled() &&
base::FeatureList::IsEnabled(kEnableInvariantsViolationLogging);
}
bool IsVizHitTestingDrawQuadEnabled() {
return base::FeatureList::IsEnabled(kEnableVizHitTestDrawQuad) ||
base::FeatureList::IsEnabled(kVizDisplayCompositor);
}
bool IsVizHitTestingEnabled() {
return IsVizHitTestingDrawQuadEnabled() ||
IsVizHitTestingSurfaceLayerEnabled();
}
bool IsVizHitTestingSurfaceLayerEnabled() {
// TODO(riajiang): Check feature flag as well. https://crbug.com/804888
// TODO(riajiang): Check kVizDisplayCompositor feature when it works with
// that config.
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUseVizHitTestSurfaceLayer) ||
base::FeatureList::IsEnabled(kEnableVizHitTestSurfaceLayer);
}
bool IsDrawOcclusionEnabled() {
return base::FeatureList::IsEnabled(kEnableDrawOcclusion);
}
} // namespace features
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