Make disabling accelerated VPX decoding a GPU driver bug workaround.

media/gpu/dxva_video_decode_accelerator_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 "media/gpu/dxva_video_decode_accelerator_win.h"
 
 #include <memory>
 
 #if !defined(OS_WIN)
 #error This file should only be built on Windows.
@@ skipping 485 matching lines @@
       enable_low_latency_(gpu_preferences.enable_low_latency_dxva),
       share_nv12_textures_(gpu_preferences.enable_zero_copy_dxgi_video &&
                            !workarounds.disable_dxgi_zero_copy_video),
       copy_nv12_textures_(gpu_preferences.enable_nv12_dxgi_video &&
                           !workarounds.disable_nv12_dxgi_video),
       use_dx11_(false),
       use_keyed_mutex_(false),
       dx11_video_format_converter_media_type_needs_init_(true),
       using_angle_device_(false),
       enable_accelerated_vpx_decode_(
-          gpu_preferences.enable_accelerated_vpx_decode),
+          workarounds.disable_accelerated_vpx_decode
+              ? gpu::GpuPreferences::VpxDecodeVendors::VPX_VENDOR_NONE
+              : gpu_preferences.enable_accelerated_vpx_decode),
       processing_config_changed_(false),
       weak_this_factory_(this) {
   weak_ptr_ = weak_this_factory_.GetWeakPtr();
   memset(&input_stream_info_, 0, sizeof(input_stream_info_));
   memset(&output_stream_info_, 0, sizeof(output_stream_info_));
   use_color_info_ = base::FeatureList::IsEnabled(kVideoBlitColorAccuracy);
 }
 
 DXVAVideoDecodeAccelerator::~DXVAVideoDecodeAccelerator() {
   client_ = NULL;
@@ skipping 660 matching lines @@
   return false;
 }
 
 GLenum DXVAVideoDecodeAccelerator::GetSurfaceInternalFormat() const {
   return GL_BGRA_EXT;
 }
 
 // static
 VideoDecodeAccelerator::SupportedProfiles
 DXVAVideoDecodeAccelerator::GetSupportedProfiles(
-    const gpu::GpuPreferences& preferences) {
+    const gpu::GpuPreferences& preferences,
+    const gpu::GpuDriverBugWorkarounds& workarounds) {
   TRACE_EVENT0("gpu,startup",
                "DXVAVideoDecodeAccelerator::GetSupportedProfiles");
 
   // TODO(henryhsu): Need to ensure the profiles are actually supported.
   SupportedProfiles profiles;
 
   for (const wchar_t* mfdll : kMediaFoundationVideoDecoderDLLs) {
     if (!::GetModuleHandle(mfdll)) {
       // Windows N is missing the media foundation DLLs unless the media
       // feature pack is installed.
       DVLOG(ERROR) << mfdll << " is required for hardware video decoding";
       return profiles;
     }
   }
   for (const auto& supported_profile : kSupportedProfiles) {
-    if (!preferences.enable_accelerated_vpx_decode &&
+    if ((!preferences.enable_accelerated_vpx_decode ||
+         workarounds.disable_accelerated_vpx_decode) &&
         (supported_profile >= VP8PROFILE_MIN) &&
         (supported_profile <= VP9PROFILE_MAX)) {
       continue;
     }
     std::pair<int, int> min_resolution = GetMinResolution(supported_profile);
     std::pair<int, int> max_resolution = GetMaxResolution(supported_profile);
 
     SupportedProfile profile;
     profile.profile = supported_profile;
     profile.min_resolution.SetSize(min_resolution.first, min_resolution.second);
@@ skipping 1710 matching lines @@
       base::Bind(&DXVAVideoDecodeAccelerator::DecodePendingInputBuffers,
                  base::Unretained(this)));
 }
 
 uint32_t DXVAVideoDecodeAccelerator::GetTextureTarget() const {
   bool provide_nv12_textures = share_nv12_textures_ || copy_nv12_textures_;
   return provide_nv12_textures ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
 }
 
 }  // namespace media