Always apply UniformMatrix4fvStreamTextureMatrixCHROMIUM matrix argument.

media/gpu/avda_codec_image.cc

 // Copyright 2015 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/avda_codec_image.h"
 
 #include <string.h>
 
 #include <memory>
 
@@ skipping 213 matching lines @@
   }
 
   return scoped_make_current;
 }
 
 void AVDACodecImage::GetTextureMatrix(float matrix[16]) {
   // Our current matrix may be stale.  Update it if possible.
   if (surface_texture_)
     UpdateSurface(UpdateMode::RENDER_TO_FRONT_BUFFER);
   memcpy(matrix, gl_matrix_, sizeof(gl_matrix_));
+  YInvertMatrix(matrix);
 }
 
 bool AVDACodecImage::IsCodecBufferOutstanding() const {
   static_assert(kUpdateOnly < 0 && kUpdateOnly > kRendered &&
                     kRendered > kInvalidCodecBufferIndex,
                 "Codec buffer index enum values are not ordered correctly.");
   return codec_buffer_index_ > kRendered && media_codec_;
 }
 
 }  // namespace media