Add support for Tegra V4L2 VDA

content/common/gpu/media/exynos_v4l2_video_device.cc

Index: content/common/gpu/media/exynos_v4l2_video_device.cc
diff --git a/content/common/gpu/media/exynos_v4l2_video_device.cc b/content/common/gpu/media/exynos_v4l2_video_device.cc
index ef40cf0e6854e4a7a9b90aa24d038bfb60977432..221f44e5ba8aff11551f86943826d4931865c276 100644
--- a/content/common/gpu/media/exynos_v4l2_video_device.cc
+++ b/content/common/gpu/media/exynos_v4l2_video_device.cc
@@ -12,6 +12,7 @@
 #include "base/debug/trace_event.h"
 #include "base/posix/eintr_wrapper.h"
 #include "content/common/gpu/media/exynos_v4l2_video_device.h"
+#include "ui/gl/gl_bindings.h"
 
 namespace content {
 
@@ -114,4 +115,23 @@ bool ExynosV4L2Device::Initialize() {
   }
   return true;
 }
+
+EGLImageKHR ExynosV4L2Device::CreateEGLImage(EGLDisplay egl_display,
+                                             EGLint attrib[],
+                                             unsigned int texture_id,
+                                             unsigned int /*buffer_index*/) {
+  EGLImageKHR egl_image = eglCreateImageKHR(
+      egl_display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, NULL, attrib);
+  if (egl_image == EGL_NO_IMAGE_KHR) {
+    return egl_image;
+  }
+  glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture_id);
+  glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, egl_image);
+  return egl_image;
+}
+
+unsigned int ExynosV4L2Device::GetTextureTarget() {
+  return GL_TEXTURE_EXTERNAL_OES;
+}
+
 }  //  namespace content