Use video profile to decide if we should produce fp16 textures.

media/gpu/dxva_video_decode_accelerator_win.h

 // 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.
 
 #ifndef MEDIA_GPU_DXVA_VIDEO_DECODE_ACCELERATOR_WIN_H_
 #define MEDIA_GPU_DXVA_VIDEO_DECODE_ACCELERATOR_WIN_H_
 
 #include <d3d11_1.h>
 #include <d3d9.h>
 #include <initguid.h>
@@ skipping 499 matching lines @@
   bool pending_flush_;
 
   // Use CODECAPI_AVLowLatencyMode.
   bool enable_low_latency_;
 
   bool share_nv12_textures_;
 
   // Copy NV12 texture to another NV12 texture.
   bool copy_nv12_textures_;
 
+  // Copy video to FP16 scRGB textures.
+  bool use_fp16_ = false;
+
   // When converting YUV to RGB, make sure we tell the blitter about the input
   // color space so that it can convert it correctly.
   bool use_color_info_ = true;
 
   // Defaults to false. Indicates if we should use D3D or DX11 interfaces for
   // H/W decoding.
   bool use_dx11_;
 
   // True when using Microsoft's VP9 HMFT for decoding.
   bool using_ms_vp9_mft_ = false;
@@ skipping 29 matching lines @@
 
   // Function pointer for the MFCreateDXGIDeviceManager API.
   static CreateDXGIDeviceManager create_dxgi_device_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(DXVAVideoDecodeAccelerator);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_DXVA_VIDEO_DECODE_ACCELERATOR_WIN_H_