Ozone integration.

ui/ozone/public/surface_ozone_egl.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.
+
+#ifndef UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
+#define UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/gfx/overlay_transform.h"
+#include "ui/gfx/swap_result.h"
+#include "ui/ozone/ozone_base_export.h"
+
+namespace gfx {
+class Size;
+class VSyncProvider;
+}
+
+namespace ui {
+class NativePixmap;
+
+typedef base::Callback<void(gfx::SwapResult)> SwapCompletionCallback;
+
+// The platform-specific part of an EGL surface.
+//
+// This class owns any bits that the ozone implementation needs freed when
+// the EGL surface is destroyed.
+class OZONE_BASE_EXPORT SurfaceOzoneEGL {
+ public:
+  virtual ~SurfaceOzoneEGL() {}
+
+  // Returns the EGL native window for rendering onto this surface.
+  // This can be used to to create a GLSurface.
+  virtual intptr_t /* EGLNativeWindowType */ GetNativeWindow() = 0;
+
+  // Attempts to resize the EGL native window to match the viewport
+  // size.
+  virtual bool ResizeNativeWindow(const gfx::Size& viewport_size) = 0;
+
+  // Called after we swap buffers. This is usually a no-op but can
+  // be used to present the new front buffer if the platform requires this.
+  virtual bool OnSwapBuffers() = 0;
+
+  // Called after we swap buffers. This is usually a no-op but can
+  // be used to present the new front buffer if the platform requires this.
+  // The callback should be run on the calling thread
+  // (i.e. same thread SwapBuffersAsync is called).
+  virtual bool OnSwapBuffersAsync(const SwapCompletionCallback& callback) = 0;
+
+  // Returns a gfx::VsyncProvider for this surface. Note that this may be
+  // called after we have entered the sandbox so if there are operations (e.g.
+  // opening a file descriptor providing vsync events) that must be done
+  // outside of the sandbox, they must have been completed in
+  // InitializeHardware. Returns an empty scoped_ptr on error.
+  virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0;
+
+  // Returns true if the surface is created on a UDL device.
+  virtual bool IsUniversalDisplayLinkDevice();
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_