|  | // Copyright 2013 The Chromium Authors | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_ | 
|  | #define CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_ | 
|  |  | 
|  | #include <memory> | 
|  | #include <string> | 
|  | #include <vector> | 
|  |  | 
|  | #include "base/values.h" | 
|  |  | 
|  | namespace content { | 
|  |  | 
|  | // Note: When adding a function here, please make sure the logic is not | 
|  | // duplicated in the renderer. | 
|  |  | 
|  | // Returns true if zero-copy uploads is on (via flags, or platform default). | 
|  | // Only one of one-copy and zero-copy can be enabled at a time. | 
|  | bool IsZeroCopyUploadEnabled(); | 
|  |  | 
|  | // Returns true if a partial raster is on (via flags). | 
|  | bool IsPartialRasterEnabled(); | 
|  |  | 
|  | // Returns true if all compositor resources should use GPU memory buffers. | 
|  | bool IsGpuMemoryBufferCompositorResourcesEnabled(); | 
|  |  | 
|  | // Returns the number of multisample antialiasing samples (via flags) for | 
|  | // GPU rasterization. | 
|  | int GpuRasterizationMSAASampleCount(); | 
|  |  | 
|  | // Returns the number of raster threads to use for compositing. | 
|  | int NumberOfRendererRasterThreads(); | 
|  |  | 
|  | // Returns true if main thread can be pipelined with activation. | 
|  | bool IsMainFrameBeforeActivationEnabled(); | 
|  |  | 
|  | base::Value GetFeatureStatus(); | 
|  | base::Value GetProblems(); | 
|  | std::vector<std::string> GetDriverBugWorkarounds(); | 
|  |  | 
|  | base::Value GetFeatureStatusForHardwareGpu(); | 
|  | base::Value GetProblemsForHardwareGpu(); | 
|  | std::vector<std::string> GetDriverBugWorkaroundsForHardwareGpu(); | 
|  |  | 
|  | }  // namespace content | 
|  |  | 
|  | #endif  // CONTENT_BROWSER_GPU_COMPOSITOR_UTIL_H_ |