{Browser}GpuMemoryBufferManager: add supported native attrib queries

content/browser/gpu/browser_gpu_memory_buffer_manager.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
 #define CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 14 matching lines @@
 namespace content {
 
 class CONTENT_EXPORT BrowserGpuMemoryBufferManager
     : public gpu::GpuMemoryBufferManager,
       public base::trace_event::MemoryDumpProvider {
  public:
   using CreateCallback =
       base::Callback<void(const gfx::GpuMemoryBufferHandle& handle)>;
   using AllocationCallback = CreateCallback;
 
+  using GetGpuMemoryBufferAttribsCallback = base::Callback<void(
+      const gfx::GpuMemoryBufferAttribVector& supported_attribs)>;
+
   BrowserGpuMemoryBufferManager(int gpu_client_id,
                                 uint64_t gpu_client_tracing_id);
   ~BrowserGpuMemoryBufferManager() override;
 
   static BrowserGpuMemoryBufferManager* current();
 
   // Overridden from gpu::GpuMemoryBufferManager:
   std::unique_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBuffer(
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage,
       gpu::SurfaceHandle surface_handle) override;
   void SetDestructionSyncToken(gfx::GpuMemoryBuffer* buffer,
                                const gpu::SyncToken& sync_token) override;
 
+  gfx::GpuMemoryBufferAttribVector GetGpuMemoryBufferAttribs() override;
   // Overridden from base::trace_event::MemoryDumpProvider:
   bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
                     base::trace_event::ProcessMemoryDump* pmd) override;
 
   void AllocateGpuMemoryBufferForChildProcess(
       gfx::GpuMemoryBufferId id,
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage,
       int child_client_id,
@@ skipping 20 matching lines @@
 
     gfx::Size size;
     gfx::GpuMemoryBufferType type = gfx::EMPTY_BUFFER;
     gfx::BufferFormat format = gfx::BufferFormat::RGBA_8888;
     gfx::BufferUsage usage = gfx::BufferUsage::GPU_READ;
     int gpu_host_id = 0;
   };
 
   struct CreateGpuMemoryBufferRequest;
 
+  struct GetGpuMemoryBufferAttribsRequest;
+
   std::unique_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBufferForSurface(
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage,
       gpu::SurfaceHandle surface_handle);
 
+  using GetGpuMemoryBufferAttribsDelegate =
+      base::Callback<void(GpuProcessHost* host,
+                          int client_id,
+                          const GetGpuMemoryBufferAttribsCallback& callback)>;
+  void HandleGetGpuMemoryBufferAttribsOnIO(
+      GetGpuMemoryBufferAttribsRequest* request);
+  void GetGpuMemoryBufferAttribsOnIO(
+      const GetGpuMemoryBufferAttribsDelegate& delegate,
+      int client_id,
+      const GetGpuMemoryBufferAttribsCallback& callback);
+  void HandleGpuMemoryBufferAttribsReceivedOnIO(
+      GetGpuMemoryBufferAttribsRequest* request,
+      const gfx::GpuMemoryBufferAttribVector& supported_attribs);
+
   // Functions that handle synchronous buffer creation requests.
   void HandleCreateGpuMemoryBufferOnIO(CreateGpuMemoryBufferRequest* request);
   void HandleGpuMemoryBufferCreatedOnIO(
       CreateGpuMemoryBufferRequest* request,
       const gfx::GpuMemoryBufferHandle& handle);
 
   // Functions that implement asynchronous buffer creation.
   void CreateGpuMemoryBufferOnIO(gfx::GpuMemoryBufferId id,
                                  const gfx::Size& size,
                                  gfx::BufferFormat format,
@@ skipping 23 matching lines @@
   using BufferMap = base::hash_map<gfx::GpuMemoryBufferId, BufferInfo>;
   using ClientMap = base::hash_map<int, BufferMap>;
   ClientMap clients_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserGpuMemoryBufferManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_