| // 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 "ui/compositor/compositor_switches.h" |
| |
| #include "base/command_line.h" |
| #include "build/build_config.h" |
| |
| namespace switches { |
| |
| // Forces tests to produce pixel output when they normally wouldn't. |
| const char kEnablePixelOutputInTests[] = "enable-pixel-output-in-tests"; |
| |
| const char kUIEnableRGBA4444Textures[] = "ui-enable-rgba-4444-textures"; |
| |
| const char kUIEnableZeroCopy[] = "ui-enable-zero-copy"; |
| const char kUIDisableZeroCopy[] = "ui-disable-zero-copy"; |
| |
| const char kUIShowPaintRects[] = "ui-show-paint-rects"; |
| |
| const char kUISlowAnimations[] = "ui-slow-animations"; |
| |
| const char kDisableVsyncForTests[] = "disable-vsync-for-tests"; |
| |
| const char kUiCompositorMemoryLimitWhenVisibleMB[] = |
| "ui-compositor-memory-limit-when-visible-mb"; |
| |
| } // namespace switches |
| |
| namespace features { |
| |
| // If enabled, all draw commands recorded on canvas are done in pixel aligned |
| // measurements. This also enables scaling of all elements in views and layers |
| // to be done via corner points. See https://crbug.com/720596 for details. |
| const base::Feature kEnablePixelCanvasRecording { |
| "enable-pixel-canvas-recording", |
| #if defined(OS_CHROMEOS) |
| base::FEATURE_ENABLED_BY_DEFAULT |
| #else |
| base::FEATURE_DISABLED_BY_DEFAULT |
| #endif |
| }; |
| |
| } // namespace features |
| |
| namespace ui { |
| |
| bool IsUIZeroCopyEnabled() { |
| // Match the behavior of IsZeroCopyUploadEnabled() in content/browser/gpu. |
| const base::CommandLine& command_line = |
| *base::CommandLine::ForCurrentProcess(); |
| #if defined(OS_MACOSX) |
| return !command_line.HasSwitch(switches::kUIDisableZeroCopy); |
| #else |
| return command_line.HasSwitch(switches::kUIEnableZeroCopy); |
| #endif |
| } |
| |
| bool IsPixelCanvasRecordingEnabled() { |
| return base::FeatureList::IsEnabled(features::kEnablePixelCanvasRecording); |
| } |
| |
| } // namespace ui |