content: Add "Rasterization" field to about:gpu.

This adds a new field to the Graphics Feature Status section of
about:gpu. The field displays current status of raster acceleration.
    
This will say "Software only, multi-threaded" when impl-side painting
is enabled.

BUG=223169

Review URL: https://chromiumcodereview.appspot.com/12803012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@190174 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 21 insertions, 0 deletions

diff --git a/content/browser/gpu/gpu_internals_ui.cc b/content/browser/gpu/gpu_internals_ui.cc
index 118a4ec..acdddaf 100644
--- a/content/browser/gpu/gpu_internals_ui.cc
+++ b/content/browser/gpu/gpu_internals_ui.cc
@@ -328,6 +328,14 @@ base::Value* GetFeatureStatus() {
           "Force compositing mode is off, either disabled at the command"
           " line or not supported by the current system.",
           false
+      },
+      {
+          "raster",
+          false,
+          !command_line.HasSwitch(switches::kEnableAcceleratedPainting),
+          "Accelerated rasterization has not been enabled or"
+          " is not supported by the current system.",
+          true
       }
   };
   const size_t kNumFeatures = sizeof(kGpuFeatureInfo) / sizeof(GpuFeatureInfo);
@@ -346,6 +354,11 @@ base::Value* GetFeatureStatus() {
         status = "disabled";
         if (kGpuFeatureInfo[i].name == "css_animation") {
           status += "_software_animated";
+        } else if (kGpuFeatureInfo[i].name == "raster") {
+          if (cc::switches::IsImplSidePaintingEnabled())
+            status += "_software_multithreaded";
+          else
+            status += "_software";
         } else {
           if (kGpuFeatureInfo[i].fallback_to_software)
             status += "_software";
@@ -383,6 +396,11 @@ base::Value* GetFeatureStatus() {
             status = "accelerated";
         }
       }
+      // TODO(reveman): Remove this when crbug.com/223286 has been fixed.
+      if (kGpuFeatureInfo[i].name == "raster" &&
+          cc::switches::IsImplSidePaintingEnabled()) {
+        status = "disabled_software_multithreaded";
+      }
       feature_status_list->Append(
           NewStatusValue(kGpuFeatureInfo[i].name.c_str(), status.c_str()));
     }
diff --git a/content/browser/resources/gpu/info_view.js b/content/browser/resources/gpu/info_view.js
index 25b0df9..0010e2f 100644
--- a/content/browser/resources/gpu/info_view.js
+++ b/content/browser/resources/gpu/info_view.js
@@ -84,6 +84,7 @@ cr.define('gpu', function() {
         'gpu_switching': 'GPU Switching',
         'panel_fitting': 'Panel Fitting',
         'force_compositing_mode': 'Force Compositing Mode',
+        'raster': 'Rasterization',
       };
       var statusLabelMap = {
         'disabled_software': 'Software only. Hardware acceleration disabled.',
@@ -105,6 +106,7 @@ cr.define('gpu', function() {
         'gpu_switching_automatic': 'Automatic switching',
         'gpu_switching_force_discrete': 'Always on discrete GPU',
         'gpu_switching_force_integrated': 'Always on integrated GPU',
+        'disabled_software_multithreaded': 'Software only, multi-threaded',
       };
 
       var statusClassMap = {
@@ -125,6 +127,7 @@ cr.define('gpu', function() {
         'gpu_switching_automatic': 'feature-green',
         'gpu_switching_force_discrete': 'feature-red',
         'gpu_switching_force_integrated': 'feature-red',
+        'disabled_software_multithreaded': 'feature-yellow',
       };
 
       // GPU info, basic