content/browser/gpu/gpu_data_manager.cc - Issue 8334040: Disable accelerated 2d canvas by default. Add an --enable-accelerated-2d-canvas flag

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Unified Diff: content/browser/gpu/gpu_data_manager.cc

Issue 8334040: Disable accelerated 2d canvas by default. Add an --enable-accelerated-2d-canvas flag (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: Created 9 years, 1 month ago

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Index: content/browser/gpu/gpu_data_manager.cc

===================================================================

--- content/browser/gpu/gpu_data_manager.cc (revision 108367)

+++ content/browser/gpu/gpu_data_manager.cc (working copy)

@@ -152,7 +152,7 @@

} // namespace anonymous

GpuDataManager::UserFlags::UserFlags()

- : disable_accelerated_2d_canvas_(false),

+ : disable_accelerated_2d_canvas_(true),

disable_accelerated_compositing_(false),

disable_accelerated_layers_(false),

disable_experimental_webgl_(false),

@@ -165,8 +165,8 @@

const CommandLine& browser_command_line =

*CommandLine::ForCurrentProcess();

- disable_accelerated_2d_canvas_ = browser_command_line.HasSwitch(

- switches::kDisableAccelerated2dCanvas);

+ disable_accelerated_2d_canvas_ = !browser_command_line.HasSwitch(

+ switches::kEnableAccelerated2dCanvas);

disable_accelerated_compositing_ = browser_command_line.HasSwitch(

switches::kDisableAcceleratedCompositing);

disable_accelerated_layers_ = browser_command_line.HasSwitch(

@@ -276,8 +276,8 @@

flags & GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas,

user_flags_.disable_accelerated_2d_canvas() ||

!supportsAccelerated2dCanvas(),

- "Accelerated 2D canvas is unavailable: either disabled at the command"

- " line or not supported by the current system.",

+ "Accelerated 2D canvas is unavailable: either not enabled in"

+ " about:flags or not supported by the current system.",

true

{

@@ -443,9 +443,6 @@

if ((flags & GpuFeatureFlags::kGpuFeatureAcceleratedCompositing) &&

!command_line->HasSwitch(switches::kDisableAcceleratedCompositing))

command_line->AppendSwitch(switches::kDisableAcceleratedCompositing);

- if ((flags & GpuFeatureFlags::kGpuFeatureAccelerated2dCanvas) &&

- !command_line->HasSwitch(switches::kDisableAccelerated2dCanvas))

- command_line->AppendSwitch(switches::kDisableAccelerated2dCanvas);

}

void GpuDataManager::AppendGpuCommandLine(