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

components/exo/display.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 "components/exo/display.h"
 
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "components/exo/shared_memory.h"
 #include "components/exo/shell_surface.h"
 #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 {
 
 ////////////////////////////////////////////////////////////////////////////////
 // Display, public:
 
 Display::Display() {}
 
 Display::~Display() {}
 
 scoped_ptr<Surface> Display::CreateSurface() {
   TRACE_EVENT0("exo", "Display::CreateSurface");
 
   return make_scoped_ptr(new Surface);
 }
 
 scoped_ptr<SharedMemory> Display::CreateSharedMemory(
     const base::SharedMemoryHandle& handle,
     size_t size) {
   TRACE_EVENT1("exo", "Display::CreateSharedMemory", "size", size);
 
   if (!base::SharedMemory::IsHandleValid(handle))
     return nullptr;
 
   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());
 
   if (surface->HasSurfaceDelegate()) {
     DLOG(ERROR) << "Surface has already been assigned a role";
     return nullptr;
   }
 
   return make_scoped_ptr(new ShellSurface(surface));
@@ skipping 11 matching lines @@
 
   if (surface->HasSurfaceDelegate()) {
     DLOG(ERROR) << "Surface has already been assigned a role";
     return nullptr;
   }
 
   return make_scoped_ptr(new SubSurface(surface, parent));
 }
 
 }  // namespace exo