Vp9 decoder mft support for AMD apu/gpu

gpu/command_buffer/service/gpu_preferences.h

 // Copyright 2016 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 GPU_COMMAND_BUFFER_SERVICE_GPU_PREFERENCES_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GPU_PREFERENCES_H_
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/gpu_export.h"
 
 namespace gpu {
 
 struct GPU_EXPORT GpuPreferences {
  public:
   GpuPreferences();
 
   GpuPreferences(const GpuPreferences& other);
 
   ~GpuPreferences();
 
+  // support for accelerated Vpx decoding for various vendors
+  // intended to be used as a bitfield
+  enum VpxDecodeVendors
+  {
+    kVpxVendorNone = 0x00,

[jbauman, 2016/07/06 21:06:49]

Switch these to "VPX_VENDOR_NONE" style - see
https://www.chromium.org/developers/coding-style

+    kVpxVendorIntel = 0x01,
+    kVpxVendorAmd = 0x02,
+    kVpxVendorAll = 0xff,
+  };
   // ===================================
   // Settings from //content/public/common/content_switches.h
 
   // Runs the renderer and plugins in the same process as the browser.
   bool single_process = false;
 
   // Run the GPU process as a thread in the browser process.
   bool in_process_gpu = false;
 
   // Prioritizes the UI's command stream in the GPU process.
   bool ui_prioritize_in_gpu_process = false;
 
   // Disables hardware acceleration of video decode, where available.
   bool disable_accelerated_video_decode = false;
 
 #if defined(OS_CHROMEOS)
   // Disables VA-API accelerated video encode.
   bool disable_vaapi_accelerated_video_encode = false;
 #endif
 
 #if defined(ENABLE_WEBRTC)
   // Disables HW encode acceleration for WebRTC.
   bool disable_web_rtc_hw_encoding = false;
 #endif
 
 #if defined(OS_WIN)
-  // Enables experimental hardware acceleration for VP8/VP9 video decoding.
-  bool enable_accelerated_vpx_decode = false;
+  // Enables experimental hardware acceleration for VP8/VP9 video decoding
+  // bitmask - 0x1=Intel; 0x2=AMD; 0xff=all
+
+  VpxDecodeVendors enable_accelerated_vpx_decode = kVpxVendorNone;
 
   // Enables support for avoiding copying DXGI NV12 textures.
   bool enable_zero_copy_dxgi_video = false;
 #endif
 
   // ===================================
   // Settings from //gpu/command_buffer/service/gpu_switches.cc
 
   // Always return success when compiling a shader. Linking will still fail.
   bool compile_shader_always_succeeds = false;
@@ skipping 62 matching lines @@
   bool enable_unsafe_es3_apis = false;
 
   // Use the Pass-through command decoder, skipping all validation and state
   // tracking.
   bool use_passthrough_cmd_decoder = false;
 };
 
 }  // namespace gpu
 
 #endif // GPU_COMMAND_BUFFER_SERVICE_GPU_PREFERENCES_H_