Ozone support for multiprocess graphics.

ui/ozone/platform/drm/gpu/gbm_surface_factory.cc

 // 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.
 
 #include "ui/ozone/platform/drm/gpu/gbm_surface_factory.h"
 
 #include <gbm.h>
 
 #include "base/files/file_path.h"
 #include "third_party/khronos/EGL/egl.h"
 #include "ui/ozone/common/egl_util.h"
 #include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
+#include "ui/ozone/platform/drm/gpu/drm_dmabuf_pixmap.h"
 #include "ui/ozone/platform/drm/gpu/drm_window.h"
 #include "ui/ozone/platform/drm/gpu/gbm_buffer.h"
 #include "ui/ozone/platform/drm/gpu/gbm_device.h"
 #include "ui/ozone/platform/drm/gpu/gbm_surface.h"
 #include "ui/ozone/platform/drm/gpu/gbm_surfaceless.h"
 #include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
 #include "ui/ozone/platform/drm/gpu/screen_manager.h"
 #include "ui/ozone/public/native_pixmap.h"
 #include "ui/ozone/public/surface_ozone_canvas.h"
 #include "ui/ozone/public/surface_ozone_egl.h"
@@ skipping 100 matching lines @@
   if (!buffer.get())
     return nullptr;
 
   scoped_refptr<GbmPixmap> pixmap(new GbmPixmap(buffer, screen_manager_));
   if (!pixmap->Initialize())
     return nullptr;
 
   return pixmap;
 }
 
+scoped_refptr<ui::NativePixmap> GbmSurfaceFactory::CreateNativePixmapFromHandle(
+    gfx::AcceleratedWidget widget,
+    gfx::Size size,
+    const gfx::NativePixmapHandle& handle) {
+  scoped_refptr<DrmDevice> drm =
+      drm_device_manager_->GetDrmDevice(widget).get();
+  DCHECK(drm);
+
+  scoped_refptr<VgemPixmap> pixmap(new VgemPixmap(drm));
+  pixmap->Initialize(base::ScopedFD(handle.fd.fd), size.width(), size.height(),
+                     handle.stride);
+
+  return scoped_refptr<VgemPixmapWrapper>(
+      new VgemPixmapWrapper(screen_manager_, pixmap));
+}
+
 bool GbmSurfaceFactory::CanShowPrimaryPlaneAsOverlay() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return allow_surfaceless_;
 }
 
 bool GbmSurfaceFactory::CanCreateNativePixmap(BufferUsage usage) {
   DCHECK(thread_checker_.CalledOnValidThread());
   switch (usage) {
     case MAP:
       return false;
     case PERSISTENT_MAP:
       return false;
     case SCANOUT:
       return true;
   }
   NOTREACHED();
   return false;
 }
 
 scoped_refptr<GbmDevice> GbmSurfaceFactory::GetGbmDevice(
     gfx::AcceleratedWidget widget) {
   return static_cast<GbmDevice*>(
       drm_device_manager_->GetDrmDevice(widget).get());
 }
 
 }  // namespace ui