exo: Add support for wl_drm version 2 to wayland bindings.

components/exo/display.cc

Index: components/exo/display.cc
diff --git a/components/exo/display.cc b/components/exo/display.cc
index b13c7fe828224065966c2dc9e8bd5422c79a5567..51a353ace0d2c9d435c6338a5e7c62150b84f46f 100644
--- a/components/exo/display.cc
+++ b/components/exo/display.cc
@@ -11,6 +11,14 @@
 #include "components/exo/sub_surface.h"
 #include "components/exo/surface.h"
 
+#if defined(USE_OZONE)
+#include "components/exo/buffer.h"
+#include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
+#include "third_party/khronos/GLES2/gl2.h"
+#include "third_party/khronos/GLES2/gl2ext.h"
+#include "ui/aura/env.h"
+#endif
+
 namespace exo {
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -37,6 +45,33 @@ scoped_ptr<SharedMemory> Display::CreateSharedMemory(
   return make_scoped_ptr(new SharedMemory(handle));
 }
 
+#if defined(USE_OZONE)
+scoped_ptr<Buffer> Display::CreatePrimeBuffer(base::ScopedFD fd,
+                                              const gfx::Size& size,
+                                              gfx::BufferFormat format,
+                                              int stride) {
+  TRACE_EVENT1("exo", "Display::CreatePrimeBuffer", "size", size.ToString());
+
+  gfx::GpuMemoryBufferHandle handle;
+  handle.type = gfx::OZONE_NATIVE_PIXMAP;
+  handle.native_pixmap_handle.fd = base::FileDescriptor(fd.Pass());
+  handle.native_pixmap_handle.stride = stride;
+
+  scoped_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer =
+      aura::Env::GetInstance()
+          ->context_factory()
+          ->GetGpuMemoryBufferManager()
+          ->CreateGpuMemoryBufferFromHandle(handle, size, format);
+  if (!gpu_memory_buffer) {
+    LOG(ERROR) << "Failed to create GpuMemoryBuffer from handle";
+    return nullptr;
+  }
+
+  return make_scoped_ptr(
+      new Buffer(gpu_memory_buffer.Pass(), GL_TEXTURE_EXTERNAL_OES));
+}
+#endif
+
 scoped_ptr<ShellSurface> Display::CreateShellSurface(Surface* surface) {
   TRACE_EVENT1("exo", "Display::CreateShellSurface", "surface",
                surface->AsTracedValue());