File chromium-vaapi-fix.patch of Package chromium

description: fix vaapi with vdpau
author: Maxim Baz
origin: chromium-vaapi patches from Arch linux

Index: chromium-81.0.4044.43/media/gpu/vaapi/vaapi_video_decode_accelerator.cc
===================================================================
--- chromium-81.0.4044.43.orig/media/gpu/vaapi/vaapi_video_decode_accelerator.cc
+++ chromium-81.0.4044.43/media/gpu/vaapi/vaapi_video_decode_accelerator.cc
@@ -712,6 +712,7 @@ void VaapiVideoDecodeAccelerator::Assign
   // |vpp_vaapi_wrapper_| for VaapiPicture to DownloadFromSurface() the VA's
   // internal decoded frame.
   if (buffer_allocation_mode_ != BufferAllocationMode::kNone &&
+      buffer_allocation_mode_ != BufferAllocationMode::kWrapVdpau &&
       !vpp_vaapi_wrapper_) {
     vpp_vaapi_wrapper_ = VaapiWrapper::Create(
         VaapiWrapper::kVideoProcess, VAProfileNone,
@@ -743,7 +744,8 @@ void VaapiVideoDecodeAccelerator::Assign
             : gfx::Size();
 
     std::unique_ptr<VaapiPicture> picture = vaapi_picture_factory_->Create(
-        (buffer_allocation_mode_ == BufferAllocationMode::kNone)
+        ((buffer_allocation_mode_ == BufferAllocationMode::kNone) ||
+         (buffer_allocation_mode_ == BufferAllocationMode::kWrapVdpau))
             ? vaapi_wrapper_
             : vpp_vaapi_wrapper_,
         make_context_current_cb_, bind_image_cb_, buffer, size_to_bind);
@@ -1199,6 +1201,14 @@ VaapiVideoDecodeAccelerator::GetSupporte
 
 VaapiVideoDecodeAccelerator::BufferAllocationMode
 VaapiVideoDecodeAccelerator::DecideBufferAllocationMode() {
+  // NVIDIA blobs use VDPAU
+  if (base::StartsWith(VaapiWrapper::GetVendorString(),
+              "Splitted-Desktop Systems VDPAU",
+              base::CompareCase::SENSITIVE)) {
+    LOG(INFO) << "VA-API driver on VDPAU backend";
+    return BufferAllocationMode::kWrapVdpau;
+  }
+
   // TODO(crbug.com/912295): Enable a better BufferAllocationMode for IMPORT
   // |output_mode_| as well.
   if (output_mode_ == VideoDecodeAccelerator::Config::OutputMode::IMPORT)
@@ -1211,7 +1221,7 @@ VaapiVideoDecodeAccelerator::DecideBuffe
   // depends on the bitstream and sometimes it's not enough to cover the amount
   // of frames needed by the client pipeline (see b/133733739).
   // TODO(crbug.com/911754): Enable for VP9 Profile 2.
-  if (IsGeminiLakeOrLater() &&
+  if (false && IsGeminiLakeOrLater() &&
       (profile_ == VP9PROFILE_PROFILE0 || profile_ == VP8PROFILE_ANY)) {
     // Add one to the reference frames for the one being currently egressed, and
     // an extra allocation for both |client_| and |decoder_|, see
Index: chromium-81.0.4044.43/media/gpu/vaapi/vaapi_video_decode_accelerator.h
===================================================================
--- chromium-81.0.4044.43.orig/media/gpu/vaapi/vaapi_video_decode_accelerator.h
+++ chromium-81.0.4044.43/media/gpu/vaapi/vaapi_video_decode_accelerator.h
@@ -208,6 +208,7 @@ class MEDIA_GPU_EXPORT VaapiVideoDecodeA
     // Using |client_|s provided PictureBuffers and as many internally
     // allocated.
     kNormal,
+    kWrapVdpau,
   };
 
   // Decides the concrete buffer allocation mode, depending on the hardware
Index: chromium-81.0.4044.43/media/gpu/vaapi/vaapi_wrapper.cc
===================================================================
--- chromium-81.0.4044.43.orig/media/gpu/vaapi/vaapi_wrapper.cc
+++ chromium-81.0.4044.43/media/gpu/vaapi/vaapi_wrapper.cc
@@ -1137,6 +1137,11 @@ VAImplementation VaapiWrapper::GetImplem
 }
 
 // static
+const std::string& VaapiWrapper::GetVendorString() {
+  return VADisplayState::Get()->va_vendor_string();
+}
+
+// static
 scoped_refptr<VaapiWrapper> VaapiWrapper::Create(
     CodecMode mode,
     VAProfile va_profile,
Index: chromium-81.0.4044.43/media/gpu/vaapi/vaapi_wrapper.h
===================================================================
--- chromium-81.0.4044.43.orig/media/gpu/vaapi/vaapi_wrapper.h
+++ chromium-81.0.4044.43/media/gpu/vaapi/vaapi_wrapper.h
@@ -119,6 +119,9 @@ class MEDIA_GPU_EXPORT VaapiWrapper
   // Returns the type of the underlying VA-API implementation.
   static VAImplementation GetImplementationType();
 
+  // Returns the VAAPI vendor string (obtained using vaQueryVendorString()).
+  static const std::string& GetVendorString();
+
   // Return an instance of VaapiWrapper initialized for |va_profile| and
   // |mode|. |report_error_to_uma_cb| will be called independently from
   // reporting errors to clients via method return values.