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