Show Compositor information in chrome://gpu

content/browser/gpu/compositor_util.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 "content/browser/gpu/compositor_util.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 16 matching lines @@
 static bool IsGpuRasterizationBlacklisted() {
   GpuDataManagerImpl* manager = GpuDataManagerImpl::GetInstance();
   return manager->IsFeatureBlacklisted(
         gpu::GPU_FEATURE_TYPE_GPU_RASTERIZATION);
 }
 
 const char* kGpuCompositingFeatureName = "gpu_compositing";
 const char* kWebGLFeatureName = "webgl";
 const char* kRasterizationFeatureName = "rasterization";
 const char* kMultipleRasterThreadsFeatureName = "multiple_raster_threads";
+const char* kNativeGpuMemoryBuffersFeatureName = "native_gpu_memory_buffers";
 
 const int kMinRasterThreads = 1;
 const int kMaxRasterThreads = 4;
 
 const int kMinMSAASampleCount = 0;
 
 struct GpuFeatureInfo {
   std::string name;
   bool blocked;
   bool disabled;
@@ skipping 100 matching lines @@
           " or command line.",
           true
       },
       {
           kMultipleRasterThreadsFeatureName,
           false,
           NumberOfRendererRasterThreads() == 1,
           "Raster is using a single thread.",
           false
       },
+      {
+          kNativeGpuMemoryBuffersFeatureName,
+          false,
+          !BrowserGpuMemoryBufferManager::IsNativeGpuMemoryBuffersEnabled(),
+          "Native GpuMemoryBuffers have been disabled, either via about:flags"
+          " or command line.",
+          true
+      },
   };
   DCHECK(index < arraysize(kGpuFeatureInfo));
   *eof = (index == arraysize(kGpuFeatureInfo) - 1);
   return kGpuFeatureInfo[index];
 }
 
 }  // namespace
 
 bool IsPropertyTreeVerificationEnabled() {
   const base::CommandLine& command_line =
@@ skipping 229 matching lines @@
     }
   }
   return problem_list;
 }
 
 std::vector<std::string> GetDriverBugWorkarounds() {
   return GpuDataManagerImpl::GetInstance()->GetDriverBugWorkarounds();
 }
 
 }  // namespace content