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_ 52
