ui/accelerated_widget_mac/surface_handle_types.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_ACCELERATED_WIDGET_MAC_SURFACE_HANDLE_TYPES_H_
   6 #define UI_ACCELERATED_WIDGET_MAC_SURFACE_HANDLE_TYPES_H_
   7
   8 #include <IOSurface/IOSurface.h>
   9 #include <OpenGL/CGLIOSurface.h>
  10
  11 #include "base/basictypes.h"
  12 #include "ui/accelerated_widget_mac/accelerated_widget_mac_export.h"
  13 #include "ui/base/cocoa/remote_layer_api.h"
  14
  15 namespace ui {
  16
  17 // The surface handle passed between the GPU and browser process may refer to
  18 // an IOSurface or a CAContext. These helper functions must be used to identify
  19 // and translate between the types.
  20 enum SurfaceHandleType {
  21   kSurfaceHandleTypeInvalid,
  22   kSurfaceHandleTypeIOSurface,
  23   kSurfaceHandleTypeCAContext,
  24 };
  25
  26 SurfaceHandleType GetSurfaceHandleType(uint64 surface_handle);
  27
  28 CAContextID CAContextIDFromSurfaceHandle(uint64 surface_handle);
  29 IOSurfaceID IOSurfaceIDFromSurfaceHandle(uint64 surface_handle);
  30
  31 ACCELERATED_WIDGET_MAC_EXPORT
  32 uint64 SurfaceHandleFromIOSurfaceID(IOSurfaceID io_surface_id);
  33
  34 ACCELERATED_WIDGET_MAC_EXPORT
  35 uint64 SurfaceHandleFromCAContextID(CAContextID ca_context_id);
  36
  37 }  //  namespace ui
  38
  39 #endif  // UI_ACCELERATED_WIDGET_MAC_SURFACE_HANDLE_TYPES_H_