1 files changed, 94 insertions, 0 deletions
diff --git a/chromium/ui/gfx/ozone/surface_factory_ozone.h b/chromium/ui/gfx/ozone/surface_factory_ozone.h
new file mode 100644
index 00000000000..9c5eac23b4f
--- /dev/null
+++ b/chromium/ui/gfx/ozone/surface_factory_ozone.h
@@ -0,0 +1,94 @@
+// Copyright (c) 2013 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_GFX_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
+#define UI_GFX_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_
+
+#include "ui/gfx/gfx_export.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/rect.h"
+
+namespace gfx {
+class Screen;
+class VSyncProvider;
+
+class GFX_EXPORT SurfaceFactoryOzone {
+ public:
+  // Describes the state of the hardware after initialization.
+  enum HardwareState {
+    INITIALIZED,
+    FAILED,
+  };
+
+  SurfaceFactoryOzone();
+  virtual ~SurfaceFactoryOzone();
+
+  // Returns the instance
+  static SurfaceFactoryOzone* GetInstance();
+
+  // Returns a display spec as in |CreateDisplayFromSpec| for the default
+  // native surface.
+  virtual const char* DefaultDisplaySpec();
+
+  // Sets the implementation delegate. Ownership is retained by the caller.
+  static void SetInstance(SurfaceFactoryOzone* impl);
+
+  // TODO(rjkroege): decide how to separate screen/display stuff from SFOz
+  // This method implements gfx::Screen, particularly useful in Desktop Aura.
+  virtual gfx::Screen* CreateDesktopScreen();
+
+  // Configures the display hardware. Must be called from within the GPU
+  // process before the sandbox has been activated.
+  virtual HardwareState InitializeHardware() = 0;
+
+  // Cleans up display hardware state. Call this from within the GPU process.
+  // This method must be safe to run inside of the sandbox.
+  virtual void ShutdownHardware() = 0;
+
+  // Returns the native EGL display. This is generally needed in creating
+  // EGL windows.
+  virtual intptr_t GetNativeDisplay();
+
+  // Obtains an AcceleratedWidget backed by a native Linux framebuffer.
+  // The  returned AcceleratedWidget is an opaque token that must realized
+  // before it can be used to create a GL surface.
+  virtual gfx::AcceleratedWidget GetAcceleratedWidget() = 0;
+
+  // Realizes an AcceleratedWidget so that the returned AcceleratedWidget
+  // can be used to to create a GLSurface. This method may only be called in
+  // a process that has a valid GL context.
+  virtual gfx::AcceleratedWidget RealizeAcceleratedWidget(
+      gfx::AcceleratedWidget w) = 0;
+
+  // Sets up GL bindings for the native surface.
+  virtual bool LoadEGLGLES2Bindings() = 0;
+
+  // If possible attempts to resize the given AcceleratedWidget instance and if
+  // a resize action was performed returns true, otherwise false (native
+  // hardware may only support a single fixed size).
+  virtual bool AttemptToResizeAcceleratedWidget(
+      gfx::AcceleratedWidget w,
+      const gfx::Rect& bounds) = 0;
+
+  // Called after the appropriate GL swap buffers command. Used if extra work
+  // is needed to perform the actual buffer swap.
+  virtual bool SchedulePageFlip(gfx::AcceleratedWidget w);
+
+  // Returns a gfx::VsyncProvider for the provided AcceleratedWidget. 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 NULL on error.
+  virtual gfx::VSyncProvider* GetVSyncProvider(gfx::AcceleratedWidget w) = 0;
+
+  // Create a default SufaceFactoryOzone implementation useful for tests.
+  static SurfaceFactoryOzone* CreateTestHelper();
+
+ private:
+  static SurfaceFactoryOzone* impl_; // not owned
+};
+
+}  // namespace gfx
+
+#endif  // UI_GFX_OZONE_SURFACE_LNUX_FACTORY_OZONE_H_