Add support for Tegra V4L2 VDA

content/common/gpu/media/exynos_v4l2_video_device.h

 // Copyright 2014 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.
 //
 // This file contains the implementation of ExynosV4L2Device used on
 // Exynos platform.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
 #define CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_
 
 #include "content/common/gpu/media/v4l2_video_device.h"
 
 namespace content {
 
 class ExynosV4L2Device : public V4L2Device {
  public:
   ExynosV4L2Device();
   virtual ~ExynosV4L2Device();
 
   // V4L2Device implementation.
-  int Ioctl(int request, void* arg) OVERRIDE;
-  bool Poll(bool poll_device, bool* event_pending) OVERRIDE;
-  bool SetDevicePollInterrupt() OVERRIDE;
-  bool ClearDevicePollInterrupt() OVERRIDE;
-  void* Mmap(void* addr,
-             unsigned int len,
-             int prot,
-             int flags,
-             unsigned int offset) OVERRIDE;
-  void Munmap(void* addr, unsigned int len) OVERRIDE;
-
-  // Does all the initialization of device fds, returns true on success.
-  bool Initialize();
+  virtual int Ioctl(int request, void* arg) OVERRIDE;
+  virtual bool Poll(bool poll_device, bool* event_pending) OVERRIDE;
+  virtual bool SetDevicePollInterrupt() OVERRIDE;
+  virtual bool ClearDevicePollInterrupt() OVERRIDE;
+  virtual void* Mmap(void* addr,
+                     unsigned int len,
+                     int prot,
+                     int flags,
+                     unsigned int offset) OVERRIDE;
+  virtual void Munmap(void* addr, unsigned int len) OVERRIDE;
+  virtual bool Initialize() OVERRIDE;
+  virtual EGLImageKHR CreateEGLImage(EGLDisplay egl_display,
+                                     const EGLint* attrib,
+                                     GLuint texture_id,
+                                     unsigned int buffer_index) OVERRIDE;
+  virtual GLenum GetTextureTarget() OVERRIDE;
 
  private:
   // The actual device fd.
   int device_fd_;
 
   // eventfd fd to signal device poll thread when its poll() should be
   // interrupted.
   int device_poll_interrupt_fd_;
 
   DISALLOW_COPY_AND_ASSIGN(ExynosV4L2Device);
 };
 }  //  namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_EXYNOS_V4L2_VIDEO_DEVICE_H_