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