FP16 mode gamma fix

ui/gfx/color_space_win.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 "ui/gfx/color_space_win.h"
 
 namespace gfx {
 
 DXVA2_ExtendedFormat ColorSpaceWin::GetExtendedFormat(
     const ColorSpace& color_space) {
@@ skipping 133 matching lines @@
         return DXGI_COLOR_SPACE_RGB_STUDIO_G22_NONE_P709;
       }
     } else {
       if (color_space.primaries_ == gfx::ColorSpace::PrimaryID::BT2020) {
         if (color_space.transfer_ == gfx::ColorSpace::TransferID::SMPTEST2084) {
           return DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020;
         } else {
           return DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P2020;
         }
       } else {
-        if (color_space.transfer_ == gfx::ColorSpace::TransferID::LINEAR) {
+        if (color_space.transfer_ == gfx::ColorSpace::TransferID::LINEAR ||
+            color_space.transfer_ == gfx::ColorSpace::TransferID::LINEAR_HDR) {
           return DXGI_COLOR_SPACE_RGB_FULL_G10_NONE_P709;
         } else {
           return DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709;
         }
       }
     }
   } else {
     if (color_space.primaries_ == gfx::ColorSpace::PrimaryID::BT2020) {
       if (color_space.transfer_ == gfx::ColorSpace::TransferID::SMPTEST2084) {
         return DXGI_COLOR_SPACE_YCBCR_STUDIO_G2084_LEFT_P2020;
@@ skipping 49 matching lines @@
     case gfx::ColorSpace::TransferID::SMPTE170M:
       ret.YCbCr_Matrix = 1;
 
     default:
       break;
   }
   return ret;
 }
 
 }  // namespace gfx