Add support for Tegra V4L2 VDA

content/common/gpu/media/rendering_helper.cc

 // Copyright 2013 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 "content/common/gpu/media/rendering_helper.h"
 
 #include "base/bind.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringize_macros.h"
@@ skipping 467 matching lines @@
   eglSwapBuffers(gl_display_, gl_surfaces_[window_id]);
   CHECK_EQ(static_cast<int>(eglGetError()), EGL_SUCCESS);
 #endif
 }
 
 void RenderingHelper::DeleteTexture(uint32 texture_id) {
   glDeleteTextures(1, &texture_id);
   CHECK_EQ(static_cast<int>(glGetError()), GL_NO_ERROR);
 }
 
+NativeContextType RenderingHelper::GetGLContext() { return gl_context_; }
+
 void* RenderingHelper::GetGLDisplay() {
 #if GL_VARIANT_GLX
   return x_display_;
 #else  // EGL
   return gl_display_;
 #endif
 }
 
 void RenderingHelper::Clear() {
   window_dimensions_.clear();
@@ skipping 57 matching lines @@
     *rgb_ptr++ = *rgba_ptr++;
     solid = solid && (*rgba_ptr == 0xff);
     rgba_ptr++;
   }
   *alpha_solid = solid;
 
   done->Signal();
 }
 
 }  // namespace content