ui/ozone/public/surface_ozone_egl.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_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
   6 #define UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "ui/gfx/overlay_transform.h"
  12 #include "ui/ozone/ozone_base_export.h"
  13
  14 namespace gfx {
  15 class Size;
  16 class VSyncProvider;
  17 }
  18
  19 namespace ui {
  20 class NativePixmap;
  21
  22 // The platform-specific part of an EGL surface.
  23 //
  24 // This class owns any bits that the ozone implementation needs freed when
  25 // the EGL surface is destroyed.
  26 class OZONE_BASE_EXPORT SurfaceOzoneEGL {
  27  public:
  28   virtual ~SurfaceOzoneEGL() {}
  29
  30   // Returns the EGL native window for rendering onto this surface.
  31   // This can be used to to create a GLSurface.
  32   virtual intptr_t /* EGLNativeWindowType */ GetNativeWindow() = 0;
  33
  34   // Attempts to resize the EGL native window to match the viewport
  35   // size.
  36   virtual bool ResizeNativeWindow(const gfx::Size& viewport_size) = 0;
  37
  38   // Called after we swap buffers. This is usually a no-op but can
  39   // be used to present the new front buffer if the platform requires this.
  40   virtual bool OnSwapBuffers() = 0;
  41
  42   typedef base::Closure SwapCompletionCallback;
  43   // Called after we swap buffers. This is usually a no-op but can
  44   // be used to present the new front buffer if the platform requires this.
  45   // The callback should be run on the calling thread
  46   // (i.e. same thread SwapBuffersAsync is called).
  47   virtual bool OnSwapBuffersAsync(const SwapCompletionCallback& callback) = 0;
  48
  49   // Returns a gfx::VsyncProvider for this surface. Note that this may be
  50   // called after we have entered the sandbox so if there are operations (e.g.
  51   // opening a file descriptor providing vsync events) that must be done
  52   // outside of the sandbox, they must have been completed in
  53   // InitializeHardware. Returns an empty scoped_ptr on error.
  54   virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider() = 0;
  55
  56   // Returns true if the surface is created on a UDL device.
  57   virtual bool IsUniversalDisplayLinkDevice();
  58 };
  59
  60 }  // namespace ui
  61
  62 #endif  // UI_OZONE_PUBLIC_SURFACE_OZONE_EGL_H_