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diff --git a/gfx/angle/src/libANGLE/renderer/gl/wgl/DisplayWGL.h b/gfx/angle/src/libANGLE/renderer/gl/wgl/DisplayWGL.h
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+++ b/gfx/angle/src/libANGLE/renderer/gl/wgl/DisplayWGL.h
@@ -0,0 +1,112 @@
+//
+// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// DisplayWGL.h: WGL implementation of egl::Display
+
+#ifndef LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
+#define LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_
+
+#include "libANGLE/renderer/gl/DisplayGL.h"
+
+#include <GL/wglext.h>
+
+namespace rx
+{
+
+class FunctionsWGL;
+
+class DisplayWGL : public DisplayGL
+{
+ public:
+ DisplayWGL();
+ ~DisplayWGL() override;
+
+ egl::Error initialize(egl::Display *display) override;
+ void terminate() override;
+
+ // Surface creation
+ SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
+ const egl::Config *configuration,
+ EGLNativeWindowType window,
+ const egl::AttributeMap &attribs) override;
+ SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
+ const egl::Config *configuration,
+ const egl::AttributeMap &attribs) override;
+ SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
+ const egl::Config *configuration,
+ EGLenum buftype,
+ EGLClientBuffer clientBuffer,
+ const egl::AttributeMap &attribs) override;
+ SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
+ const egl::Config *configuration,
+ NativePixmapType nativePixmap,
+ const egl::AttributeMap &attribs) override;
+
+ egl::ConfigSet generateConfigs() override;
+
+ bool testDeviceLost() override;
+ egl::Error restoreLostDevice() override;
+
+ bool isValidNativeWindow(EGLNativeWindowType window) const override;
+ egl::Error validateClientBuffer(const egl::Config *configuration,
+ EGLenum buftype,
+ EGLClientBuffer clientBuffer,
+ const egl::AttributeMap &attribs) const override;
+
+ egl::Error getDevice(DeviceImpl **device) override;
+
+ std::string getVendorString() const override;
+
+ egl::Error waitClient() const override;
+ egl::Error waitNative(EGLint engine,
+ egl::Surface *drawSurface,
+ egl::Surface *readSurface) const override;
+
+ egl::Error getDriverVersion(std::string *version) const override;
+
+ egl::Error registerD3DDevice(IUnknown *device, HANDLE *outHandle);
+ void releaseD3DDevice(HANDLE handle);
+
+ private:
+ const FunctionsGL *getFunctionsGL() const override;
+
+ egl::Error initializeD3DDevice();
+
+ void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
+ void generateCaps(egl::Caps *outCaps) const override;
+
+ HMODULE mOpenGLModule;
+
+ FunctionsWGL *mFunctionsWGL;
+ FunctionsGL *mFunctionsGL;
+
+ bool mHasRobustness;
+
+ ATOM mWindowClass;
+ HWND mWindow;
+ HDC mDeviceContext;
+ int mPixelFormat;
+ HGLRC mWGLContext;
+
+ bool mUseDXGISwapChains;
+ HMODULE mDxgiModule;
+ HMODULE mD3d11Module;
+ HANDLE mD3D11DeviceHandle;
+ ID3D11Device *mD3D11Device;
+
+ struct D3DObjectHandle
+ {
+ HANDLE handle;
+ size_t refCount;
+ };
+ std::map<IUnknown *, D3DObjectHandle> mRegisteredD3DDevices;
+
+ egl::Display *mDisplay;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_GL_WGL_DISPLAYWGL_H_