diff --git a/include/bgfxplatform.c99.h b/include/bgfxplatform.c99.h
index 5adff243..ce60185d 100644
--- a/include/bgfxplatform.c99.h
+++ b/include/bgfxplatform.c99.h
@@ -31,55 +31,15 @@ typedef enum bgfx_render_frame
  */
 BGFX_C_API bgfx_render_frame_t bgfx_render_frame();
 
-#if BX_PLATFORM_ANDROID
-#    include <android/native_window.h>
+typedef struct bgfx_platform_data
+{
+	void* ndt;
+	void* nwh;
+	void* context;
+	void* backbuffer;
 
-/**
- *
- */
-BGFX_C_API void bgfx_android_set_window(ANativeWindow* _window);
+} bgfx_platform_data_t;
 
-#elif BX_PLATFORM_IOS
-
-/**
- *
- */
-BGFX_C_API void bgfx_ios_set_eagl_layer(void* _layer);
-
-#elif BX_PLATFORM_FREEBSD || BX_PLATFORM_LINUX || BX_PLATFORM_RPI
-#    include <X11/Xlib.h>
-
-/**
- *
- */
-BGFX_C_API void bgfx_x11_set_display_window(Display* _display, Window _window);
-
-#elif BX_PLATFORM_NACL
-#    include <ppapi/c/ppb_graphics_3d.h>
-#    include <ppapi/c/ppb_instance.h>
-
-typedef void (*bgfx_post_swap_buffers_fn)(uint32_t _width, uint32_t _height);
-
-/**
- *
- */
-BGFX_C_API bool bgfx_nacl_set_interfaces(PP_Instance, const PPB_Instance*, const PPB_Graphics3D*, bgfx_post_swap_buffers_fn);
-
-#elif BX_PLATFORM_OSX
-
-/**
- *
- */
-BGFX_C_API void bgfx_osx_set_ns_window(void* _window);
-
-#elif BX_PLATFORM_WINDOWS
-#    include <windows.h>
-
-/**
- *
- */
-BGFX_C_API void bgfx_win_set_hwnd(HWND _window);
-
-#endif // BX_PLATFORM_
+BGFX_C_API void bgfx_set_platform_data(bgfx_platform_data_t* _pd);
 
 #endif // BGFX_PLATFORM_C99_H_HEADER_GUARD
diff --git a/include/bgfxplatform.h b/include/bgfxplatform.h
index 4598fc1e..76294726 100644
--- a/include/bgfxplatform.h
+++ b/include/bgfxplatform.h
@@ -30,7 +30,18 @@ namespace bgfx
 	/// allow creating separate rendering thread. If it is called before
 	/// to bgfx::init, render thread won't be created by bgfx::init call.
 	RenderFrame::Enum renderFrame();
-}
+
+	struct PlatformData
+	{
+		void* ndt;        //< Native display type
+		void* nwh;        //< Native window handle
+		void* context;    //< GL context, or D3D device
+		void* backbuffer; //< GL backbuffer, or D3D render target view
+	};
+
+	void setPlatformData(const PlatformData& _hooks);
+
+} // namespace bgfx
 
 #if BX_PLATFORM_ANDROID
 #	include <android/native_window.h>
@@ -38,7 +49,13 @@ namespace bgfx
 namespace bgfx
 {
 	///
-	void androidSetWindow(::ANativeWindow* _window);
+	inline void androidSetWindow(::ANativeWindow* _window)
+	{
+		PlatformData pd;
+		memset(&pd, 0, sizeof(pd) );
+		pd.nwh = _window;
+		setPlatformData(pd);
+	}
 
 } // namespace bgfx
 
@@ -46,7 +63,13 @@ namespace bgfx
 namespace bgfx
 {
 	///
-	void iosSetEaglLayer(void* _layer);
+	inline void iosSetEaglLayer(void* _window)
+	{
+		PlatformData pd;
+		memset(&pd, 0, sizeof(pd) );
+		pd.nwh = _window;
+		setPlatformData(pd);
+	}
 
 } // namespace bgfx
 
@@ -55,7 +78,15 @@ namespace bgfx
 namespace bgfx
 {
 	///
-	void x11SetDisplayWindow(void* _display, uint32_t _window, void* _glx = NULL);
+	inline void x11SetDisplayWindow(void* _display, uint32_t _window, void* _glx = NULL);
+	{
+		PlatformData pd;
+		memset(&pd, 0, sizeof(pd) );
+		pd.ndt     = _display;
+		pd.nwh     = _window;
+		pd.context = _glx;
+		setPlatformData(pd);
+	}
 
 } // namespace bgfx
 
@@ -76,7 +107,14 @@ namespace bgfx
 namespace bgfx
 {
 	///
-	void osxSetNSWindow(void* _window, void* _nsgl = NULL);
+	inline void osxSetNSWindow(void* _window, void* _nsgl = NULL)
+	{
+		PlatformData pd;
+		memset(&pd, 0, sizeof(pd) );
+		pd.nwh     = _window;
+		pd.context = _nsgl;
+		setPlatformData(pd);
+	}
 
 } // namespace bgfx
 
@@ -86,7 +124,13 @@ namespace bgfx
 namespace bgfx
 {
 	///
-	void winSetHwnd(::HWND _window);
+	inline void winSetHwnd(::HWND _window)
+	{
+		PlatformData pd;
+		memset(&pd, 0, sizeof(pd) );
+		pd.nwh = _window;
+		setPlatformData(pd);
+	}
 
 } // namespace bgfx
 
@@ -96,7 +140,13 @@ namespace bgfx
 namespace bgfx
 {
 	///
-	void winrtSetWindow(IUnknown* _window);
+	inline void winrtSetWindow(::IUnknown* _window)
+	{
+		PlatformData pd;
+		memset(&pd, 0, sizeof(pd) );
+		pd.nwh = _window;
+		setPlatformData(pd);
+	}
 
 } // namespace bgfx
 
diff --git a/src/bgfx.cpp b/src/bgfx.cpp
index 55a41dfb..b55d9568 100644
--- a/src/bgfx.cpp
+++ b/src/bgfx.cpp
@@ -19,56 +19,6 @@ namespace bgfx
 #	define BGFX_CHECK_RENDER_THREAD()
 #endif // BGFX_CONFIG_MULTITHREADED && !BX_PLATFORM_OSX && !BX_PLATFORM_IOS
 
-#if BX_PLATFORM_ANDROID
-	::ANativeWindow* g_bgfxAndroidWindow = NULL;
-
-	void androidSetWindow(::ANativeWindow* _window)
-	{
-		g_bgfxAndroidWindow = _window;
-	}
-#elif BX_PLATFORM_IOS
-	void* g_bgfxEaglLayer = NULL;
-
-	void iosSetEaglLayer(void* _layer)
-	{
-		g_bgfxEaglLayer = _layer;
-	}
-#elif BX_PLATFORM_LINUX || BX_PLATFORM_FREEBSD
-	void*    g_bgfxX11Display;
-	uint32_t g_bgfxX11Window;
-	void*    g_bgfxGLX;
-
-	void x11SetDisplayWindow(void* _display, uint32_t _window, void* _glx)
-	{
-		g_bgfxX11Display = _display;
-		g_bgfxX11Window  = _window;
-		g_bgfxGLX        = _glx;
-	}
-#elif BX_PLATFORM_OSX
-	void* g_bgfxNSWindow = NULL;
-	void* g_bgfxNSGL = NULL;
-
-	void osxSetNSWindow(void* _window, void* _nsgl)
-	{
-		g_bgfxNSWindow = _window;
-		g_bgfxNSGL     = _nsgl;
-	}
-#elif BX_PLATFORM_WINDOWS
-	::HWND g_bgfxHwnd = NULL;
-
-	void winSetHwnd(::HWND _window)
-	{
-		g_bgfxHwnd = _window;
-	}
-#elif BX_PLATFORM_WINRT
-	::IUnknown* g_bgfxCoreWindow = NULL;
-
-	void winrtSetWindow(::IUnknown* _window)
-	{
-		g_bgfxCoreWindow = _window;
-	}
-#endif // BX_PLATFORM_*
-
 #if BGFX_CONFIG_USE_TINYSTL
 	void* TinyStlAllocator::static_allocate(size_t _bytes)
 	{
@@ -252,6 +202,13 @@ namespace bgfx
 	static BX_THREAD uint32_t s_threadIndex = 0;
 	static Context* s_ctx = NULL;
 	static bool s_renderFrameCalled = false;
+	PlatformData g_platformData;
+
+	void setPlatformData(const PlatformData& _pd)
+	{
+		BGFX_FATAL(NULL == s_ctx, Fatal::UnableToInitialize, "Must be set prior to initialization!");
+		memcpy(&g_platformData, &_pd, sizeof(PlatformData) );
+	}
 
 	void setGraphicsDebuggerPresent(bool _present)
 	{
@@ -3033,6 +2990,7 @@ BX_STATIC_ASSERT(sizeof(bgfx::TransientVertexBuffer) == sizeof(bgfx_transient_ve
 BX_STATIC_ASSERT(sizeof(bgfx::InstanceDataBuffer)    == sizeof(bgfx_instance_data_buffer_t) );
 BX_STATIC_ASSERT(sizeof(bgfx::TextureInfo)           == sizeof(bgfx_texture_info_t) );
 BX_STATIC_ASSERT(sizeof(bgfx::Caps)                  == sizeof(bgfx_caps_t) );
+BX_STATIC_ASSERT(sizeof(bgfx::PlatformData)          == sizeof(bgfx_platform_data_t) );
 
 BGFX_C_API void bgfx_vertex_decl_begin(bgfx_vertex_decl_t* _decl, bgfx_renderer_type_t _renderer)
 {
@@ -3645,40 +3603,7 @@ BGFX_C_API bgfx_render_frame_t bgfx_render_frame()
 	return bgfx_render_frame_t(bgfx::renderFrame() );
 }
 
-#if BX_PLATFORM_ANDROID
-BGFX_C_API void bgfx_android_set_window(ANativeWindow* _window)
+BGFX_C_API void bgfx_set_platform_data(bgfx_platform_data_t* _pd)
 {
-	bgfx::androidSetWindow(_window);
+	bgfx::setPlatformData(*(bgfx::PlatformData*)_pd);
 }
-
-#elif BX_PLATFORM_IOS
-BGFX_C_API void bgfx_ios_set_eagl_layer(void* _layer)
-{
-	bgfx::iosSetEaglLayer(_layer);
-}
-
-#elif BX_PLATFORM_FREEBSD || BX_PLATFORM_LINUX || BX_PLATFORM_RPI
-BGFX_C_API void bgfx_x11_set_display_window(::Display* _display, ::Window _window)
-{
-	bgfx::x11SetDisplayWindow(_display, _window);
-}
-
-#elif BX_PLATFORM_NACL
-BGFX_C_API bool bgfx_nacl_set_interfaces(PP_Instance _instance, const PPB_Instance* _instInterface, const PPB_Graphics3D* _graphicsInterface, bgfx_post_swap_buffers_fn _postSwapBuffers)
-{
-	return bgfx::naclSetInterfaces(_instance, _instInterface, _graphicsInterface, _postSwapBuffers);
-}
-
-#elif BX_PLATFORM_OSX
-BGFX_C_API void bgfx_osx_set_ns_window(void* _window)
-{
-	bgfx::osxSetNSWindow(_window);
-}
-
-#elif BX_PLATFORM_WINDOWS
-BGFX_C_API void bgfx_win_set_hwnd(HWND _window)
-{
-	bgfx::winSetHwnd(_window);
-}
-
-#endif // BX_PLATFORM_*
diff --git a/src/bgfx_p.h b/src/bgfx_p.h
index c9e57421..8b9f12ea 100644
--- a/src/bgfx_p.h
+++ b/src/bgfx_p.h
@@ -217,22 +217,7 @@ namespace stl
 
 namespace bgfx
 {
-#if BX_PLATFORM_ANDROID
-	extern ::ANativeWindow* g_bgfxAndroidWindow;
-#elif BX_PLATFORM_IOS
-	extern void* g_bgfxEaglLayer;
-#elif BX_PLATFORM_LINUX || BX_PLATFORM_FREEBSD
-	extern void*    g_bgfxX11Display;
-	extern uint32_t g_bgfxX11Window;
-	extern void*    g_bgfxGLX;
-#elif BX_PLATFORM_OSX
-	extern void* g_bgfxNSWindow;
-	extern void* g_bgfxNSGL;
-#elif BX_PLATFORM_WINDOWS
-	extern ::HWND g_bgfxHwnd;
-#elif BX_PLATFORM_WINRT
-	extern ::IUnknown* g_bgfxCoreWindow;
-#endif // BX_PLATFORM_*
+	extern PlatformData g_platformData;
 
 #if BGFX_CONFIG_MAX_DRAW_CALLS < (64<<10)
 	typedef uint16_t RenderItemCount;
diff --git a/src/glcontext_eagl.mm b/src/glcontext_eagl.mm
index 73eedd2b..1f1c0880 100644
--- a/src/glcontext_eagl.mm
+++ b/src/glcontext_eagl.mm
@@ -18,7 +18,7 @@ namespace bgfx { namespace gl
 	void GlContext::create(uint32_t _width, uint32_t _height)
 	{
 		BX_UNUSED(_width, _height);
-		CAEAGLLayer* layer = (CAEAGLLayer*)g_bgfxEaglLayer;
+		CAEAGLLayer* layer = (CAEAGLLayer*)g_platformData.nwh;
 		layer.opaque = true;
 
 		layer.drawableProperties = [NSDictionary dictionaryWithObjectsAndKeys
diff --git a/src/glcontext_egl.cpp b/src/glcontext_egl.cpp
index 4bd42305..d1fccdd4 100644
--- a/src/glcontext_egl.cpp
+++ b/src/glcontext_egl.cpp
@@ -178,97 +178,91 @@ EGL_IMPORT
 
 		m_eglLibrary = eglOpen();
 
+		if (NULL == g_platformData.context)
+		{
+			BX_UNUSED(_width, _height);
+			EGLNativeDisplayType ndt = (EGLNativeDisplayType)g_platformData.ndt;
+			EGLNativeWindowType  nwh = (EGLNativeWindowType )g_platformData.nwh;
 
-#	if BX_PLATFORM_ANDROID
-		if (!g_bgfxAndroidWindow)
-		{
-			BX_TRACE("androidSetWindow() was not called, assuming EGLContext and buffer-swapping are managed outside bgfx.");
-		}
-		else
-		{
-#	endif
-		BX_UNUSED(_width, _height);
-		EGLNativeDisplayType ndt = EGL_DEFAULT_DISPLAY;
-		EGLNativeWindowType nwh = (EGLNativeWindowType)NULL;
 #	if BX_PLATFORM_WINDOWS
-		ndt = GetDC(g_bgfxHwnd);
-		nwh = g_bgfxHwnd;
-#	elif BX_PLATFORM_LINUX
-		ndt = (EGLNativeDisplayType)g_bgfxX11Display;
-		nwh = (EGLNativeWindowType)g_bgfxX11Window;
-#	endif // BX_PLATFORM_
-		m_display = eglGetDisplay(ndt);
-		BGFX_FATAL(m_display != EGL_NO_DISPLAY, Fatal::UnableToInitialize, "Failed to create display %p", m_display);
+			if (NULL == g_platformData.ndt)
+			{
+				ndt = GetDC( (HWND)g_platformData.nwh);
+			}
+#	endif // BX_PLATFORM_WINDOWS
 
-		EGLint major = 0;
-		EGLint minor = 0;
-		EGLBoolean success = eglInitialize(m_display, &major, &minor);
-		BGFX_FATAL(success && major >= 1 && minor >= 3, Fatal::UnableToInitialize, "Failed to initialize %d.%d", major, minor);
+			m_display = eglGetDisplay(ndt);
+			BGFX_FATAL(m_display != EGL_NO_DISPLAY, Fatal::UnableToInitialize, "Failed to create display %p", m_display);
 
-		EGLint attrs[] =
-		{
-			EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+			EGLint major = 0;
+			EGLint minor = 0;
+			EGLBoolean success = eglInitialize(m_display, &major, &minor);
+			BGFX_FATAL(success && major >= 1 && minor >= 3, Fatal::UnableToInitialize, "Failed to initialize %d.%d", major, minor);
+
+			EGLint attrs[] =
+			{
+				EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
 
 #	if BX_PLATFORM_ANDROID
-			EGL_DEPTH_SIZE, 16,
+				EGL_DEPTH_SIZE, 16,
 #	else
-			EGL_DEPTH_SIZE, 24,
+				EGL_DEPTH_SIZE, 24,
 #	endif // BX_PLATFORM_
-			EGL_STENCIL_SIZE, 8,
+				EGL_STENCIL_SIZE, 8,
 
-			EGL_NONE
-		};
+				EGL_NONE
+			};
 
-		EGLint numConfig = 0;
-		success = eglChooseConfig(m_display, attrs, &m_config, 1, &numConfig);
-		BGFX_FATAL(success, Fatal::UnableToInitialize, "eglChooseConfig");
+			EGLint numConfig = 0;
+			success = eglChooseConfig(m_display, attrs, &m_config, 1, &numConfig);
+			BGFX_FATAL(success, Fatal::UnableToInitialize, "eglChooseConfig");
 
 #	if BX_PLATFORM_ANDROID
-		EGLint format;
-		eglGetConfigAttrib(m_display, m_config, EGL_NATIVE_VISUAL_ID, &format);
-		ANativeWindow_setBuffersGeometry(g_bgfxAndroidWindow, _width, _height, format);
-		nwh = g_bgfxAndroidWindow;
+
+			EGLint format;
+			eglGetConfigAttrib(m_display, m_config, EGL_NATIVE_VISUAL_ID, &format);
+			ANativeWindow_setBuffersGeometry( (ANativeWindow*)g_platformData.nwh, _width, _height, format);
+
 #	elif BX_PLATFORM_RPI
-		DISPMANX_DISPLAY_HANDLE_T dispmanDisplay = vc_dispmanx_display_open(0);
-		DISPMANX_UPDATE_HANDLE_T  dispmanUpdate  = vc_dispmanx_update_start(0);
+			DISPMANX_DISPLAY_HANDLE_T dispmanDisplay = vc_dispmanx_display_open(0);
+			DISPMANX_UPDATE_HANDLE_T  dispmanUpdate  = vc_dispmanx_update_start(0);
 
-		VC_RECT_T dstRect = { 0, 0, _width,        _height       };
-		VC_RECT_T srcRect = { 0, 0, _width  << 16, _height << 16 };
+			VC_RECT_T dstRect = { 0, 0, _width,        _height       };
+			VC_RECT_T srcRect = { 0, 0, _width  << 16, _height << 16 };
 
-		DISPMANX_ELEMENT_HANDLE_T dispmanElement = vc_dispmanx_element_add(dispmanUpdate
-			, dispmanDisplay
-			, 0
-			, &dstRect
-			, 0
-			, &srcRect
-			, DISPMANX_PROTECTION_NONE
-			, NULL
-			, NULL
-			, DISPMANX_NO_ROTATE
-			);
+			DISPMANX_ELEMENT_HANDLE_T dispmanElement = vc_dispmanx_element_add(dispmanUpdate
+				, dispmanDisplay
+				, 0
+				, &dstRect
+				, 0
+				, &srcRect
+				, DISPMANX_PROTECTION_NONE
+				, NULL
+				, NULL
+				, DISPMANX_NO_ROTATE
+				);
 
-		s_dispmanWindow.element = dispmanElement;
-		s_dispmanWindow.width   = _width;
-		s_dispmanWindow.height  = _height;
-		nwh = &s_dispmanWindow;
+			s_dispmanWindow.element = dispmanElement;
+			s_dispmanWindow.width   = _width;
+			s_dispmanWindow.height  = _height;
+			nwh = &s_dispmanWindow;
 
-		vc_dispmanx_update_submit_sync(dispmanUpdate);
+			vc_dispmanx_update_submit_sync(dispmanUpdate);
 #	endif // BX_PLATFORM_ANDROID
 
-		m_surface = eglCreateWindowSurface(m_display, m_config, nwh, NULL);
-		BGFX_FATAL(m_surface != EGL_NO_SURFACE, Fatal::UnableToInitialize, "Failed to create surface.");
+			m_surface = eglCreateWindowSurface(m_display, m_config, nwh, NULL);
+			BGFX_FATAL(m_surface != EGL_NO_SURFACE, Fatal::UnableToInitialize, "Failed to create surface.");
 
-		m_context = eglCreateContext(m_display, m_config, EGL_NO_CONTEXT, s_contextAttrs);
-		BGFX_FATAL(m_context != EGL_NO_CONTEXT, Fatal::UnableToInitialize, "Failed to create context.");
+			m_context = eglCreateContext(m_display, m_config, EGL_NO_CONTEXT, s_contextAttrs);
+			BGFX_FATAL(m_context != EGL_NO_CONTEXT, Fatal::UnableToInitialize, "Failed to create context.");
 
-		success = eglMakeCurrent(m_display, m_surface, m_surface, m_context);
-		BGFX_FATAL(success, Fatal::UnableToInitialize, "Failed to set context.");
-		m_current = NULL;
+			success = eglMakeCurrent(m_display, m_surface, m_surface, m_context);
+			BGFX_FATAL(success, Fatal::UnableToInitialize, "Failed to set context.");
+			m_current = NULL;
 
-		eglSwapInterval(m_display, 0);
-#	if BX_PLATFORM_ANDROID
+			eglSwapInterval(m_display, 0);
 		}
-#	endif
+
 #	if BX_PLATFORM_EMSCRIPTEN
 		emscripten_set_canvas_size(_width, _height);
 #	endif // BX_PLATFORM_EMSCRIPTEN
@@ -303,7 +297,7 @@ EGL_IMPORT
 		{
 			EGLint format;
 			eglGetConfigAttrib(m_display, m_config, EGL_NATIVE_VISUAL_ID, &format);
-			ANativeWindow_setBuffersGeometry(g_bgfxAndroidWindow, _width, _height, format);
+			ANativeWindow_setBuffersGeometry( (ANativeWindow*)g_platformData.nwh, _width, _height, format);
 		}
 #	endif // BX_PLATFORM_ANDROID
 
diff --git a/src/glcontext_glx.cpp b/src/glcontext_glx.cpp
index 17ee8e82..270e14db 100644
--- a/src/glcontext_glx.cpp
+++ b/src/glcontext_glx.cpp
@@ -29,23 +29,23 @@ namespace bgfx { namespace gl
 		SwapChainGL(::Window _window, XVisualInfo* _visualInfo, GLXContext _context)
 			: m_window(_window)
 		{
-			m_context = glXCreateContext( (::Display*)g_bgfxX11Display, _visualInfo, _context, GL_TRUE);
+			m_context = glXCreateContext( (::Display*)g_platformData.ndt, _visualInfo, _context, GL_TRUE);
 		}
 
 		~SwapChainGL()
 		{
-			glXMakeCurrent( (::Display*)g_bgfxX11Display, 0, 0);
-			glXDestroyContext( (::Display*)g_bgfxX11Display, m_context);
+			glXMakeCurrent( (::Display*)g_platformData.ndt, 0, 0);
+			glXDestroyContext( (::Display*)g_platformData.ndt, m_context);
 		}
 
 		void makeCurrent()
 		{
-			glXMakeCurrent( (::Display*)g_bgfxX11Display, m_window, m_context);
+			glXMakeCurrent( (::Display*)g_platformData.ndt, m_window, m_context);
 		}
 
 		void swapBuffers()
 		{
-			glXSwapBuffers( (::Display*)g_bgfxX11Display, m_window);
+			glXSwapBuffers( (::Display*)g_platformData.ndt, m_window);
 		}
 
 		Window m_window;
@@ -56,14 +56,14 @@ namespace bgfx { namespace gl
 	{
 		BX_UNUSED(_width, _height);
 
-		m_context = (GLXContext)g_bgfxGLX;
+		m_context = (GLXContext)g_platformData.context;
 
-		if (NULL == g_bgfxGLX)
+		if (NULL == g_platformData.context)
 		{
-			XLockDisplay( (::Display*)g_bgfxX11Display);
+			XLockDisplay( (::Display*)g_platformData.ndt);
 
 			int major, minor;
-			bool version = glXQueryVersion( (::Display*)g_bgfxX11Display, &major, &minor);
+			bool version = glXQueryVersion( (::Display*)g_platformData.ndt, &major, &minor);
 			BGFX_FATAL(version, Fatal::UnableToInitialize, "Failed to query GLX version");
 			BGFX_FATAL( (major == 1 && minor >= 2) || major > 1
 					, Fatal::UnableToInitialize
@@ -72,9 +72,9 @@ namespace bgfx { namespace gl
 					, minor
 					);
 
-			int32_t screen = DefaultScreen( (::Display*)g_bgfxX11Display);
+			int32_t screen = DefaultScreen( (::Display*)g_platformData.ndt);
 
-			const char* extensions = glXQueryExtensionsString( (::Display*)g_bgfxX11Display, screen);
+			const char* extensions = glXQueryExtensionsString( (::Display*)g_platformData.ndt, screen);
 			BX_TRACE("GLX extensions:");
 			dumpExtensions(extensions);
 
@@ -96,13 +96,13 @@ namespace bgfx { namespace gl
 			GLXFBConfig bestConfig = NULL;
 
 			int numConfigs;
-			GLXFBConfig* configs = glXChooseFBConfig( (::Display*)g_bgfxX11Display, screen, attrsGlx, &numConfigs);
+			GLXFBConfig* configs = glXChooseFBConfig( (::Display*)g_platformData.ndt, screen, attrsGlx, &numConfigs);
 
 			BX_TRACE("glX num configs %d", numConfigs);
 
 			for (int ii = 0; ii < numConfigs; ++ii)
 			{
-				m_visualInfo = glXGetVisualFromFBConfig( (::Display*)g_bgfxX11Display, configs[ii]);
+				m_visualInfo = glXGetVisualFromFBConfig( (::Display*)g_platformData.ndt, configs[ii]);
 				if (NULL != m_visualInfo)
 				{
 					BX_TRACE("---");
@@ -110,7 +110,7 @@ namespace bgfx { namespace gl
 					for (uint32_t attr = 6; attr < BX_COUNTOF(attrsGlx)-1 && attrsGlx[attr] != None; attr += 2)
 					{
 						int value;
-						glXGetFBConfigAttrib( (::Display*)g_bgfxX11Display, configs[ii], attrsGlx[attr], &value);
+						glXGetFBConfigAttrib( (::Display*)g_platformData.ndt, configs[ii], attrsGlx[attr], &value);
 						BX_TRACE("glX %d/%d %2d: %4x, %8x (%8x%s)"
 								, ii
 								, numConfigs
@@ -146,7 +146,7 @@ namespace bgfx { namespace gl
 			BGFX_FATAL(m_visualInfo, Fatal::UnableToInitialize, "Failed to find a suitable X11 display configuration.");
 
 			BX_TRACE("Create GL 2.1 context.");
-			m_context = glXCreateContext( (::Display*)g_bgfxX11Display, m_visualInfo, 0, GL_TRUE);
+			m_context = glXCreateContext( (::Display*)g_platformData.ndt, m_visualInfo, 0, GL_TRUE);
 			BGFX_FATAL(NULL != m_context, Fatal::UnableToInitialize, "Failed to create GL 2.1 context.");
 
 #if BGFX_CONFIG_RENDERER_OPENGL >= 31
@@ -163,11 +163,11 @@ namespace bgfx { namespace gl
 					0,
 				};
 
-				GLXContext context = glXCreateContextAttribsARB( (::Display*)g_bgfxX11Display, bestConfig, 0, true, contextAttrs);
+				GLXContext context = glXCreateContextAttribsARB( (::Display*)g_platformData.ndt, bestConfig, 0, true, contextAttrs);
 
 				if (NULL != context)
 				{
-					glXDestroyContext( (::Display*)g_bgfxX11Display, m_context);
+					glXDestroyContext( (::Display*)g_platformData.ndt, m_context);
 					m_context = context;
 				}
 			}
@@ -175,19 +175,19 @@ namespace bgfx { namespace gl
 			BX_UNUSED(bestConfig);
 #endif // BGFX_CONFIG_RENDERER_OPENGL >= 31
 
-			XUnlockDisplay( (::Display*)g_bgfxX11Display);
+			XUnlockDisplay( (::Display*)g_platformData.ndt);
 		}
 
 		import();
 
-		glXMakeCurrent( (::Display*)g_bgfxX11Display, (::Window)g_bgfxX11Window, m_context);
+		glXMakeCurrent( (::Display*)g_platformData.ndt, (::Window)g_platformData.nwh, m_context);
 		m_current = NULL;
 
 		glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddress( (const GLubyte*)"glXSwapIntervalEXT");
 		if (NULL != glXSwapIntervalEXT)
 		{
 			BX_TRACE("Using glXSwapIntervalEXT.");
-			glXSwapIntervalEXT( (::Display*)g_bgfxX11Display, (::Window)g_bgfxX11Window, 0);
+			glXSwapIntervalEXT( (::Display*)g_platformData.ndt, (::Window)g_platformData.nwh, 0);
 		}
 		else
 		{
@@ -210,15 +210,15 @@ namespace bgfx { namespace gl
 
 		glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 		glClear(GL_COLOR_BUFFER_BIT);
-		glXSwapBuffers( (::Display*)g_bgfxX11Display, (::Window)g_bgfxX11Window);
+		glXSwapBuffers( (::Display*)g_platformData.ndt, (::Window)g_platformData.nwh);
 	}
 
 	void GlContext::destroy()
 	{
-		glXMakeCurrent( (::Display*)g_bgfxX11Display, 0, 0);
-		if (NULL == g_bgfxGLX)
+		glXMakeCurrent( (::Display*)g_platformData.ndt, 0, 0);
+		if (NULL == g_platformData.context)
 		{
-			glXDestroyContext( (::Display*)g_bgfxX11Display, m_context);
+			glXDestroyContext( (::Display*)g_platformData.ndt, m_context);
 			XFree(m_visualInfo);
 		}
 		m_context    = NULL;
@@ -232,7 +232,7 @@ namespace bgfx { namespace gl
 
 		if (NULL != glXSwapIntervalEXT)
 		{
-			glXSwapIntervalEXT( (::Display*)g_bgfxX11Display, (::Window)g_bgfxX11Window, interval);
+			glXSwapIntervalEXT( (::Display*)g_platformData.ndt, (::Window)g_platformData.nwh, interval);
 		}
 		else if (NULL != glXSwapIntervalMESA)
 		{
@@ -265,7 +265,7 @@ namespace bgfx { namespace gl
 
 		if (NULL == _swapChain)
 		{
-			glXSwapBuffers( (::Display*)g_bgfxX11Display, (::Window)g_bgfxX11Window);
+			glXSwapBuffers( (::Display*)g_platformData.ndt, (::Window)g_platformData.nwh);
 		}
 		else
 		{
@@ -281,7 +281,7 @@ namespace bgfx { namespace gl
 
 			if (NULL == _swapChain)
 			{
-				glXMakeCurrent( (::Display*)g_bgfxX11Display, (::Window)g_bgfxX11Window, m_context);
+				glXMakeCurrent( (::Display*)g_platformData.ndt, (::Window)g_platformData.nwh, m_context);
 			}
 			else
 			{
diff --git a/src/glcontext_nsgl.mm b/src/glcontext_nsgl.mm
index 23680922..d39f7da3 100644
--- a/src/glcontext_nsgl.mm
+++ b/src/glcontext_nsgl.mm
@@ -65,10 +65,10 @@ namespace bgfx { namespace gl
 		BX_CHECK(NULL != s_opengl, "OpenGL dynamic library is not found!");
 
 		const AutoreleasePoolHolder pool;
-		NSWindow* nsWindow = (NSWindow*)g_bgfxNSWindow;
-		m_context = g_bgfxNSGL;
+		NSWindow* nsWindow = (NSWindow*)g_platformData.nwh;
+		m_context = g_platformData.context;
 
-		if (NULL == g_bgfxNSGL)
+		if (NULL == g_platformData.context)
 		{
 #if defined(MAC_OS_X_VERSION_MAX_ALLOWED) && (MAC_OS_X_VERSION_MAX_ALLOWED >= 1070)
 			NSOpenGLPixelFormatAttribute profile =
@@ -120,7 +120,7 @@ namespace bgfx { namespace gl
 
 	void GlContext::destroy()
 	{
-		if (NULL == g_bgfxNSGL)
+		if (NULL == g_platformData.context)
 		{
 			NSOpenGLView* glView = (NSOpenGLView*)m_view;
 			[glView release];
diff --git a/src/glcontext_wgl.cpp b/src/glcontext_wgl.cpp
index 19ca6d99..23deb174 100644
--- a/src/glcontext_wgl.cpp
+++ b/src/glcontext_wgl.cpp
@@ -109,14 +109,14 @@ namespace bgfx { namespace gl
 		wglGetProcAddress = (PFNWGLGETPROCADDRESSPROC)bx::dlsym(m_opengl32dll, "wglGetProcAddress");
 		BGFX_FATAL(NULL != wglGetProcAddress, Fatal::UnableToInitialize, "Failed get wglGetProcAddress.");
 
-		// If g_bgfxHwnd is NULL, the assumption is that GL context was created
+		// If g_platformHooks.nwh is NULL, the assumption is that GL context was created
 		// by user (for example, using SDL, GLFW, etc.)
-		BX_WARN(NULL != g_bgfxHwnd
-			, "bgfx::winSetHwnd with valid window is not called. This might "
+		BX_WARN(NULL != g_platformData.nwh
+			, "bgfx::setPlatform with valid window is not called. This might "
 			  "be intentional when GL context is created by the user."
 			);
 
-		if (NULL != g_bgfxHwnd)
+		if (NULL != g_platformData.nwh)
 		{
 			wglMakeCurrent = (PFNWGLMAKECURRENTPROC)bx::dlsym(m_opengl32dll, "wglMakeCurrent");
 			BGFX_FATAL(NULL != wglMakeCurrent, Fatal::UnableToInitialize, "Failed get wglMakeCurrent.");
@@ -127,7 +127,7 @@ namespace bgfx { namespace gl
 			wglDeleteContext = (PFNWGLDELETECONTEXTPROC)bx::dlsym(m_opengl32dll, "wglDeleteContext");
 			BGFX_FATAL(NULL != wglDeleteContext, Fatal::UnableToInitialize, "Failed get wglDeleteContext.");
 
-			m_hdc = GetDC(g_bgfxHwnd);
+			m_hdc = GetDC( (HWND)g_platformData.nwh);
 			BGFX_FATAL(NULL != m_hdc, Fatal::UnableToInitialize, "GetDC failed!");
 
 			// Dummy window to peek into WGL functionality.
@@ -272,14 +272,14 @@ namespace bgfx { namespace gl
 
 	void GlContext::destroy()
 	{
-		if (NULL != g_bgfxHwnd)
+		if (NULL != g_platformData.nwh)
 		{
 			wglMakeCurrent(NULL, NULL);
 
 			wglDeleteContext(m_context);
 			m_context = NULL;
 
-			ReleaseDC(g_bgfxHwnd, m_hdc);
+			ReleaseDC( (HWND)g_platformData.nwh, m_hdc);
 			m_hdc = NULL;
 		}
 
@@ -324,7 +324,7 @@ namespace bgfx { namespace gl
 
 		if (NULL == _swapChain)
 		{
-			if (NULL != g_bgfxHwnd)
+			if (NULL != g_platformData.nwh)
 			{
 				SwapBuffers(m_hdc);
 			}
diff --git a/src/renderer_d3d11.cpp b/src/renderer_d3d11.cpp
index 87591b03..2ff11614 100644
--- a/src/renderer_d3d11.cpp
+++ b/src/renderer_d3d11.cpp
@@ -430,21 +430,39 @@ namespace bgfx { namespace d3d11
 	struct RendererContextD3D11 : public RendererContextI
 	{
 		RendererContextD3D11()
-			: m_renderdocdll(NULL)
+			: m_d3d9dll(NULL)
+			, m_d3d11dll(NULL)
+			, m_dxgidll(NULL)
+			, m_renderdocdll(NULL)
+			, m_driverType(D3D_DRIVER_TYPE_NULL)
+			, m_featureLevel(D3D_FEATURE_LEVEL(0) )
+			, m_adapter(NULL)
+			, m_factory(NULL)
+			, m_swapChain(NULL)
 			, m_lost(0)
+			, m_numWindows(0)
+			, m_device(NULL)
+			, m_deviceCtx(NULL)
 			, m_backBufferColor(NULL)
 			, m_backBufferDepthStencil(NULL)
+			, m_currentColor(NULL)
+			, m_currentDepthStencil(NULL)
 			, m_captureTexture(NULL)
 			, m_captureResolve(NULL)
 			, m_wireframe(false)
 			, m_flags(BGFX_RESET_NONE)
 			, m_maxAnisotropy(1)
+			, m_currentProgram(NULL)
 			, m_vsChanges(0)
 			, m_fsChanges(0)
 			, m_rtMsaa(false)
 			, m_ovrRtv(NULL)
 			, m_ovrDsv(NULL)
 		{
+			m_fbh.idx = invalidHandle;
+			memset(&m_adapterDesc, 0, sizeof(m_adapterDesc) );
+			memset(&m_scd, 0, sizeof(m_scd) );
+			memset(&m_windows, 0xff, sizeof(m_windows) );
 		}
 
 		~RendererContextD3D11()
@@ -509,114 +527,125 @@ namespace bgfx { namespace d3d11
 			BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create DXGI factory.");
 #endif // BX_PLATFORM_WINRT
 
-			m_adapter = NULL;
-			m_driverType = D3D_DRIVER_TYPE_HARDWARE;
+			m_device = (ID3D11Device*)g_platformData.context;
 
-			IDXGIAdapter* adapter;
-			for (uint32_t ii = 0
-				; DXGI_ERROR_NOT_FOUND != factory->EnumAdapters(ii, &adapter) && ii < BX_COUNTOF(g_caps.gpu)
-				; ++ii
-				)
+			if (NULL == m_device)
 			{
-				DXGI_ADAPTER_DESC desc;
-				hr = adapter->GetDesc(&desc);
-				if (SUCCEEDED(hr) )
+				m_adapter    = NULL;
+				m_driverType = D3D_DRIVER_TYPE_HARDWARE;
+
+				IDXGIAdapter* adapter;
+				for (uint32_t ii = 0
+					; DXGI_ERROR_NOT_FOUND != factory->EnumAdapters(ii, &adapter) && ii < BX_COUNTOF(g_caps.gpu)
+					; ++ii
+					)
 				{
-					BX_TRACE("Adapter #%d", ii);
-
-					char description[BX_COUNTOF(desc.Description)];
-					wcstombs(description, desc.Description, BX_COUNTOF(desc.Description) );
-					BX_TRACE("\tDescription: %s", description);
-					BX_TRACE("\tVendorId: 0x%08x, DeviceId: 0x%08x, SubSysId: 0x%08x, Revision: 0x%08x"
-						, desc.VendorId
-						, desc.DeviceId
-						, desc.SubSysId
-						, desc.Revision
-						);
-					BX_TRACE("\tMemory: %" PRIi64 " (video), %" PRIi64 " (system), %" PRIi64 " (shared)"
-						, desc.DedicatedVideoMemory
-						, desc.DedicatedSystemMemory
-						, desc.SharedSystemMemory
-						);
-
-					g_caps.gpu[ii].vendorId = (uint16_t)desc.VendorId;
-					g_caps.gpu[ii].deviceId = (uint16_t)desc.DeviceId;
-					++g_caps.numGPUs;
-
-					if (NULL == m_adapter)
+					DXGI_ADAPTER_DESC desc;
+					hr = adapter->GetDesc(&desc);
+					if (SUCCEEDED(hr) )
 					{
-						if ( (BGFX_PCI_ID_NONE != g_caps.vendorId ||             0 != g_caps.deviceId)
-						&&   (BGFX_PCI_ID_NONE == g_caps.vendorId || desc.VendorId == g_caps.vendorId)
-						&&   (               0 == g_caps.deviceId || desc.DeviceId == g_caps.deviceId) )
-						{
-							m_adapter = adapter;
-							m_adapter->AddRef();
-							m_driverType = D3D_DRIVER_TYPE_UNKNOWN;
-						}
+						BX_TRACE("Adapter #%d", ii);
 
-						if (BX_ENABLED(BGFX_CONFIG_DEBUG_PERFHUD)
-						&&  0 != strstr(description, "PerfHUD") )
+						char description[BX_COUNTOF(desc.Description)];
+						wcstombs(description, desc.Description, BX_COUNTOF(desc.Description) );
+						BX_TRACE("\tDescription: %s", description);
+						BX_TRACE("\tVendorId: 0x%08x, DeviceId: 0x%08x, SubSysId: 0x%08x, Revision: 0x%08x"
+							, desc.VendorId
+							, desc.DeviceId
+							, desc.SubSysId
+							, desc.Revision
+							);
+						BX_TRACE("\tMemory: %" PRIi64 " (video), %" PRIi64 " (system), %" PRIi64 " (shared)"
+							, desc.DedicatedVideoMemory
+							, desc.DedicatedSystemMemory
+							, desc.SharedSystemMemory
+							);
+
+						g_caps.gpu[ii].vendorId = (uint16_t)desc.VendorId;
+						g_caps.gpu[ii].deviceId = (uint16_t)desc.DeviceId;
+						++g_caps.numGPUs;
+
+						if (NULL == m_adapter)
 						{
-							m_adapter = adapter;
-							m_driverType = D3D_DRIVER_TYPE_REFERENCE;
+							if ( (BGFX_PCI_ID_NONE != g_caps.vendorId ||             0 != g_caps.deviceId)
+							&&   (BGFX_PCI_ID_NONE == g_caps.vendorId || desc.VendorId == g_caps.vendorId)
+							&&   (               0 == g_caps.deviceId || desc.DeviceId == g_caps.deviceId) )
+							{
+								m_adapter = adapter;
+								m_adapter->AddRef();
+								m_driverType = D3D_DRIVER_TYPE_UNKNOWN;
+							}
+
+							if (BX_ENABLED(BGFX_CONFIG_DEBUG_PERFHUD)
+							&&  0 != strstr(description, "PerfHUD") )
+							{
+								m_adapter = adapter;
+								m_driverType = D3D_DRIVER_TYPE_REFERENCE;
+							}
 						}
 					}
+
+					DX_RELEASE(adapter, adapter == m_adapter ? 1 : 0);
 				}
+				DX_RELEASE(factory, NULL != m_adapter ? 1 : 0);
 
-				DX_RELEASE(adapter, adapter == m_adapter ? 1 : 0);
-			}
-			DX_RELEASE(factory, NULL != m_adapter ? 1 : 0);
-
-			D3D_FEATURE_LEVEL features[] =
-			{
-				D3D_FEATURE_LEVEL_11_1,
-				D3D_FEATURE_LEVEL_11_0,
-				D3D_FEATURE_LEVEL_10_1,
-				D3D_FEATURE_LEVEL_10_0,
-				D3D_FEATURE_LEVEL_9_3,
-				D3D_FEATURE_LEVEL_9_2,
-				D3D_FEATURE_LEVEL_9_1,
-			};
-
-			uint32_t flags = 0
-				| D3D11_CREATE_DEVICE_SINGLETHREADED
-				| D3D11_CREATE_DEVICE_BGRA_SUPPORT
-				| (BX_ENABLED(BGFX_CONFIG_DEBUG) ? D3D11_CREATE_DEVICE_DEBUG : 0)
-				;
-
-			hr = E_FAIL;
-			for (uint32_t ii = 0; ii < 3 && FAILED(hr);)
-			{
-				hr = D3D11CreateDevice(m_adapter
-					, m_driverType
-					, NULL
-					, flags
-					, &features[ii]
-					, BX_COUNTOF(features)-ii
-					, D3D11_SDK_VERSION
-					, &m_device
-					, &m_featureLevel
-					, &m_deviceCtx
-					);
-				if (FAILED(hr)
-				&&  0 != (flags & D3D11_CREATE_DEVICE_DEBUG) )
+				D3D_FEATURE_LEVEL features[] =
 				{
-					// Try without debug in case D3D11 SDK Layers
-					// is not present?
-					flags &= ~D3D11_CREATE_DEVICE_DEBUG;
-					continue;
+					D3D_FEATURE_LEVEL_11_1,
+					D3D_FEATURE_LEVEL_11_0,
+					D3D_FEATURE_LEVEL_10_1,
+					D3D_FEATURE_LEVEL_10_0,
+					D3D_FEATURE_LEVEL_9_3,
+					D3D_FEATURE_LEVEL_9_2,
+					D3D_FEATURE_LEVEL_9_1,
+				};
+
+				uint32_t flags = 0
+					| D3D11_CREATE_DEVICE_SINGLETHREADED
+					| D3D11_CREATE_DEVICE_BGRA_SUPPORT
+					| (BX_ENABLED(BGFX_CONFIG_DEBUG) ? D3D11_CREATE_DEVICE_DEBUG : 0)
+					;
+
+				hr = E_FAIL;
+				for (uint32_t ii = 0; ii < 3 && FAILED(hr);)
+				{
+					hr = D3D11CreateDevice(m_adapter
+						, m_driverType
+						, NULL
+						, flags
+						, &features[ii]
+						, BX_COUNTOF(features)-ii
+						, D3D11_SDK_VERSION
+						, &m_device
+						, &m_featureLevel
+						, &m_deviceCtx
+						);
+					if (FAILED(hr)
+					&&  0 != (flags & D3D11_CREATE_DEVICE_DEBUG) )
+					{
+						// Try without debug in case D3D11 SDK Layers
+						// is not present?
+						flags &= ~D3D11_CREATE_DEVICE_DEBUG;
+						continue;
+					}
+
+					++ii;
 				}
+				BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
 
-				++ii;
+				if (NULL != m_adapter)
+				{
+					DX_RELEASE(m_adapter, 2);
+				}
 			}
-			BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
-
-			if (NULL != m_adapter)
+			else
 			{
-				DX_RELEASE(m_adapter, 2);
+				m_device->GetImmediateContext(&m_deviceCtx);
+				BGFX_FATAL(NULL != m_deviceCtx, Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
 			}
 
-			IDXGIDevice* device = NULL;
+			IDXGIDevice*  device = NULL;
+			IDXGIAdapter* adapter;
 			hr = E_FAIL;
 			for (uint32_t ii = 0; ii < BX_COUNTOF(s_deviceIIDs) && FAILED(hr); ++ii)
 			{
@@ -660,60 +689,68 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 			g_caps.vendorId = (uint16_t)m_adapterDesc.VendorId;
 			g_caps.deviceId = (uint16_t)m_adapterDesc.DeviceId;
 
+			if (NULL == g_platformData.backbuffer)
+			{
 #if BX_PLATFORM_WINRT
-			hr = adapter->GetParent(__uuidof(IDXGIFactory2), (void**)&m_factory);
-			BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
-			DX_RELEASE(adapter, 2);
+				hr = adapter->GetParent(__uuidof(IDXGIFactory2), (void**)&m_factory);
+				BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
+				DX_RELEASE(adapter, 2);
 
-			memset(&m_scd, 0, sizeof(m_scd) );
-			m_scd.Width  = BGFX_DEFAULT_WIDTH;
-			m_scd.Height = BGFX_DEFAULT_HEIGHT;
-			m_scd.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
-			m_scd.Stereo = false;
-			m_scd.SampleDesc.Count   = 1;
-			m_scd.SampleDesc.Quality = 0;
-			m_scd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
-			m_scd.BufferCount = 2;
-			m_scd.Scaling     = DXGI_SCALING_NONE;
-			m_scd.SwapEffect  = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
-			m_scd.AlphaMode   = DXGI_ALPHA_MODE_IGNORE;
+				memset(&m_scd, 0, sizeof(m_scd) );
+				m_scd.Width  = BGFX_DEFAULT_WIDTH;
+				m_scd.Height = BGFX_DEFAULT_HEIGHT;
+				m_scd.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+				m_scd.Stereo = false;
+				m_scd.SampleDesc.Count   = 1;
+				m_scd.SampleDesc.Quality = 0;
+				m_scd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+				m_scd.BufferCount = 2;
+				m_scd.Scaling     = DXGI_SCALING_NONE;
+				m_scd.SwapEffect  = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
+				m_scd.AlphaMode   = DXGI_ALPHA_MODE_IGNORE;
 
-			hr = m_factory->CreateSwapChainForCoreWindow(m_device
-				, g_bgfxCoreWindow
-				, &m_scd
-				, NULL
-				, &m_swapChain
-				);
-			BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Failed to create swap chain.");
+				hr = m_factory->CreateSwapChainForCoreWindow(m_device
+					, (::IUnknown*)g_platformData.nwh
+					, &m_scd
+					, NULL
+					, &m_swapChain
+					);
+				BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Failed to create swap chain.");
 #else
-			hr = adapter->GetParent(IID_IDXGIFactory, (void**)&m_factory);
-			BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
-			DX_RELEASE(adapter, 2);
+				hr = adapter->GetParent(IID_IDXGIFactory, (void**)&m_factory);
+				BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Unable to create Direct3D11 device.");
+				DX_RELEASE(adapter, 2);
 
-			memset(&m_scd, 0, sizeof(m_scd) );
-			m_scd.BufferDesc.Width  = BGFX_DEFAULT_WIDTH;
-			m_scd.BufferDesc.Height = BGFX_DEFAULT_HEIGHT;
-			m_scd.BufferDesc.RefreshRate.Numerator   = 60;
-			m_scd.BufferDesc.RefreshRate.Denominator = 1;
-			m_scd.BufferDesc.Format  = DXGI_FORMAT_R8G8B8A8_UNORM;
-			m_scd.SampleDesc.Count   = 1;
-			m_scd.SampleDesc.Quality = 0;
-			m_scd.BufferUsage  = DXGI_USAGE_RENDER_TARGET_OUTPUT;
-			m_scd.BufferCount  = 1;
-			m_scd.OutputWindow = g_bgfxHwnd;
-			m_scd.Windowed     = true;
+				memset(&m_scd, 0, sizeof(m_scd) );
+				m_scd.BufferDesc.Width  = BGFX_DEFAULT_WIDTH;
+				m_scd.BufferDesc.Height = BGFX_DEFAULT_HEIGHT;
+				m_scd.BufferDesc.RefreshRate.Numerator   = 60;
+				m_scd.BufferDesc.RefreshRate.Denominator = 1;
+				m_scd.BufferDesc.Format  = DXGI_FORMAT_R8G8B8A8_UNORM;
+				m_scd.SampleDesc.Count   = 1;
+				m_scd.SampleDesc.Quality = 0;
+				m_scd.BufferUsage  = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+				m_scd.BufferCount  = 1;
+				m_scd.OutputWindow = (HWND)g_platformData.nwh;
+				m_scd.Windowed     = true;
 
-			hr = m_factory->CreateSwapChain(m_device
-				, &m_scd
-				, &m_swapChain
-				);
-			BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Failed to create swap chain.");
+				hr = m_factory->CreateSwapChain(m_device
+					, &m_scd
+					, &m_swapChain
+					);
+				BGFX_FATAL(SUCCEEDED(hr), Fatal::UnableToInitialize, "Failed to create swap chain.");
 
-			DX_CHECK(m_factory->MakeWindowAssociation(g_bgfxHwnd, 0
-				| DXGI_MWA_NO_WINDOW_CHANGES
-				| DXGI_MWA_NO_ALT_ENTER
-				) );
+				DX_CHECK(m_factory->MakeWindowAssociation((HWND)g_platformData.nwh, 0
+					| DXGI_MWA_NO_WINDOW_CHANGES
+					| DXGI_MWA_NO_ALT_ENTER
+					));
 #endif // BX_PLATFORM_WINRT
+			}
+			else
+			{
+				memset(&m_scd, 0, sizeof(m_scd) );
+				m_backBufferColor = (ID3D11RenderTargetView*)g_platformData.backbuffer;
+			}
 
 			m_numWindows = 1;
 
@@ -1147,6 +1184,12 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 
 		void saveScreenShot(const char* _filePath) BX_OVERRIDE
 		{
+			BX_WARN(NULL != m_swapChain, "Unable to capture screenshot %s.", _filePath);
+			if (NULL == m_swapChain)
+			{
+				return;
+			}
+
 			ID3D11Texture2D* backBuffer;
 			DX_CHECK(m_swapChain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&backBuffer));
 
@@ -1317,7 +1360,11 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 			ovrPreReset();
 
 			DX_RELEASE(m_backBufferDepthStencil, 0);
-			DX_RELEASE(m_backBufferColor, 0);
+
+			if (NULL != m_swapChain)
+			{
+				DX_RELEASE(m_backBufferColor, 0);
+			}
 
 			for (uint32_t ii = 0; ii < BX_COUNTOF(m_frameBuffers); ++ii)
 			{
@@ -1331,11 +1378,14 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 
 		void postReset()
 		{
-			ID3D11Texture2D* color;
-			DX_CHECK(m_swapChain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&color));
+			if (NULL != m_swapChain)
+			{
+				ID3D11Texture2D* color;
+				DX_CHECK(m_swapChain->GetBuffer(0, IID_ID3D11Texture2D, (void**)&color));
 
-			DX_CHECK(m_device->CreateRenderTargetView(color, NULL, &m_backBufferColor) );
-			DX_RELEASE(color, 0);
+				DX_CHECK(m_device->CreateRenderTargetView(color, NULL, &m_backBufferColor) );
+				DX_RELEASE(color, 0);
+			}
 
 			ovrPostReset();
 
@@ -1502,38 +1552,41 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 
 				preReset();
 
-				if (resize)
+				if (NULL != m_swapChain)
 				{
-					DX_CHECK(m_swapChain->ResizeBuffers(2
-						, getBufferWidth()
-						, getBufferHeight()
-						, getBufferFormat()
-						, DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH
-						) );
-				}
-				else
-				{
-					updateMsaa();
-					m_scd.SampleDesc = s_msaa[(m_flags&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT];
+					if (resize)
+					{
+						DX_CHECK(m_swapChain->ResizeBuffers(2
+							, getBufferWidth()
+							, getBufferHeight()
+							, getBufferFormat()
+							, DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH
+							));
+					}
+					else
+					{
+						updateMsaa();
+						m_scd.SampleDesc = s_msaa[(m_flags&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT];
 
-					DX_RELEASE(m_swapChain, 0);
+						DX_RELEASE(m_swapChain, 0);
 
 #if BX_PLATFORM_WINRT
-					HRESULT hr;
-					hr = m_factory->CreateSwapChainForCoreWindow(m_device
-						, g_bgfxCoreWindow
-						, &m_scd
-						, NULL
-						, &m_swapChain
-						);
+						HRESULT hr;
+						hr = m_factory->CreateSwapChainForCoreWindow(m_device
+							, (::IUnknown*)g_platformData.nwh
+							, &m_scd
+							, NULL
+							, &m_swapChain
+							);
 #else
-					HRESULT hr;
-					hr = m_factory->CreateSwapChain(m_device
-						, &m_scd
-						, &m_swapChain
-						);
+						HRESULT hr;
+						hr = m_factory->CreateSwapChain(m_device
+							, &m_scd
+							, &m_swapChain
+							);
 #endif // BX_PLATFORM_WINRT
-					BGFX_FATAL(SUCCEEDED(hr), bgfx::Fatal::UnableToInitialize, "Failed to create swap chain.");
+						BGFX_FATAL(SUCCEEDED(hr), bgfx::Fatal::UnableToInitialize, "Failed to create swap chain.");
+					}
 				}
 
 				postReset();
@@ -2042,7 +2095,7 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 				config.D3D11.pDeviceContext = m_deviceCtx;
 				config.D3D11.pBackBufferRT  = m_backBufferColor;
 				config.D3D11.pSwapChain     = m_swapChain;
-				if (m_ovr.postReset(g_bgfxHwnd, &config.Config, !!(m_flags & BGFX_RESET_HMD_DEBUG) ) )
+				if (m_ovr.postReset(g_platformData.nwh, &config.Config, !!(m_flags & BGFX_RESET_HMD_DEBUG) ) )
 				{
 					uint32_t size = sizeof(uint32_t) + sizeof(TextureCreate);
 					const Memory* mem = alloc(size);
@@ -2404,32 +2457,30 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 			}
 		}
 
-#if USE_D3D11_DYNAMIC_LIB
 		void* m_d3d9dll;
 		void* m_d3d11dll;
 		void* m_dxgidll;
-#endif // USE_D3D11_DYNAMIC_LIB
 
 		void* m_renderdocdll;
 
-		D3D_DRIVER_TYPE m_driverType;
+		D3D_DRIVER_TYPE   m_driverType;
 		D3D_FEATURE_LEVEL m_featureLevel;
-		IDXGIAdapter* m_adapter;
+		IDXGIAdapter*     m_adapter;
 		DXGI_ADAPTER_DESC m_adapterDesc;
 #if BX_PLATFORM_WINRT
-		IDXGIFactory2* m_factory;
-		IDXGISwapChain1* m_swapChain;
+		IDXGIFactory2*    m_factory;
+		IDXGISwapChain1*  m_swapChain;
 #else
-		IDXGIFactory* m_factory;
-		IDXGISwapChain* m_swapChain;
-#endif
+		IDXGIFactory*     m_factory;
+		IDXGISwapChain*   m_swapChain;
+#endif // BX_PLATFORM_WINRT
 
 		uint16_t m_lost;
 		uint16_t m_numWindows;
 		FrameBufferHandle m_windows[BGFX_CONFIG_MAX_FRAME_BUFFERS];
 
-		ID3D11Device* m_device;
-		ID3D11DeviceContext* m_deviceCtx;
+		ID3D11Device*           m_device;
+		ID3D11DeviceContext*    m_deviceCtx;
 		ID3D11RenderTargetView* m_backBufferColor;
 		ID3D11DepthStencilView* m_backBufferDepthStencil;
 		ID3D11RenderTargetView* m_currentColor;
diff --git a/src/renderer_d3d11.h b/src/renderer_d3d11.h
index 0376ae9f..68c8e5b5 100644
--- a/src/renderer_d3d11.h
+++ b/src/renderer_d3d11.h
@@ -19,10 +19,10 @@ BX_PRAGMA_DIAGNOSTIC_IGNORED_GCC("-Wpragmas");
 BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(4005) // warning C4005: '' : macro redefinition
 #define D3D11_NO_HELPERS
 #if BX_PLATFORM_WINRT
-#include <d3d11_2.h>
+#	include <d3d11_2.h>
 #else
-#include <d3d11.h>
-#endif
+#	include <d3d11.h>
+#endif // BX_PLATFORM_WINRT
 BX_PRAGMA_DIAGNOSTIC_POP()
 
 #include "renderer.h"
diff --git a/src/renderer_d3d9.cpp b/src/renderer_d3d9.cpp
index faf5f98a..828ad777 100644
--- a/src/renderer_d3d9.cpp
+++ b/src/renderer_d3d9.cpp
@@ -272,6 +272,7 @@ namespace bgfx { namespace d3d9
 		RendererContextD3D9()
 			: m_d3d9(NULL)
 			, m_device(NULL)
+			, m_swapChain(NULL)
 			, m_captureTexture(NULL)
 			, m_captureSurface(NULL)
 			, m_captureResolve(NULL)
@@ -316,7 +317,7 @@ namespace bgfx { namespace d3d9
 			m_params.Windowed = true;
 
 			RECT rect;
-			GetWindowRect(g_bgfxHwnd, &rect);
+			GetWindowRect( (HWND)g_platformData.nwh, &rect);
 			m_params.BackBufferWidth = rect.right-rect.left;
 			m_params.BackBufferHeight = rect.bottom-rect.top;
 
@@ -417,7 +418,7 @@ namespace bgfx { namespace d3d9
 #if 0 // BGFX_CONFIG_RENDERER_DIRECT3D9EX
 				DX_CHECK(m_d3d9->CreateDeviceEx(m_adapter
 						, m_deviceType
-						, g_bgfxHwnd
+						, g_platformHooks.nwh
 						, behaviorFlags[ii]
 						, &m_params
 						, NULL
@@ -426,7 +427,7 @@ namespace bgfx { namespace d3d9
 #else
 				DX_CHECK(m_d3d9->CreateDevice(m_adapter
 					, m_deviceType
-					, g_bgfxHwnd
+					, (HWND)g_platformData.nwh
 					, behaviorFlags[ii]
 					, &m_params
 					, &m_device
@@ -860,11 +861,11 @@ namespace bgfx { namespace d3d9
 				) );
 
 			RECT rc;
-			GetClientRect(g_bgfxHwnd, &rc);
+			GetClientRect( (HWND)g_platformData.nwh, &rc);
 			POINT point;
 			point.x = rc.left;
 			point.y = rc.top;
-			ClientToScreen(g_bgfxHwnd, &point);
+			ClientToScreen( (HWND)g_platformData.nwh, &point);
 			uint8_t* data = (uint8_t*)rect.pBits;
 			uint32_t bytesPerPixel = rect.Pitch/dm.Width;
 
@@ -1146,7 +1147,7 @@ namespace bgfx { namespace d3d9
 
 		void flip(HMD& /*_hmd*/) BX_OVERRIDE
 		{
-			if (NULL != m_device)
+			if (NULL != m_swapChain)
 			{
 #if BGFX_CONFIG_RENDERER_DIRECT3D9EX
 				if (NULL != m_deviceEx)
@@ -1160,7 +1161,7 @@ namespace bgfx { namespace d3d9
 					HRESULT hr;
 					if (0 == ii)
 					{
-						hr = m_swapChain->Present(NULL, NULL, g_bgfxHwnd, NULL, 0);
+						hr = m_swapChain->Present(NULL, NULL, (HWND)g_platformData.nwh, NULL, 0);
 					}
 					else
 					{
diff --git a/src/renderer_gl.cpp b/src/renderer_gl.cpp
index 6d4eabe5..2cf109f1 100644
--- a/src/renderer_gl.cpp
+++ b/src/renderer_gl.cpp
@@ -2239,9 +2239,9 @@ namespace bgfx { namespace gl
 				config.OGL.Header.RTSize.h = m_resolution.m_height;
 #	endif // OVR_VERSION > OVR_VERSION_043
 				config.OGL.Header.Multisample = 0;
-				config.OGL.Window = g_bgfxHwnd;
-				config.OGL.DC = GetDC(g_bgfxHwnd);
-				if (m_ovr.postReset(g_bgfxHwnd, &config.Config, !!(m_resolution.m_flags & BGFX_RESET_HMD_DEBUG) ) )
+				config.OGL.Window = g_platformData.nwh;
+				config.OGL.DC = GetDC(g_platformData.nwh);
+				if (m_ovr.postReset(g_platformData.nwh, &config.Config, !!(m_resolution.m_flags & BGFX_RESET_HMD_DEBUG) ) )
 				{
 					uint32_t size = sizeof(uint32_t) + sizeof(TextureCreate);
 					const Memory* mem = alloc(size);