src/video/windows/SDL_windowsvideo.c - third_party/sdl - Git at Google

 /*
   Simple DirectMedia Layer
   Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>

   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
   arising from the use of this software.

   Permission is granted to anyone to use this software for any purpose,
   including commercial applications, and to alter it and redistribute it
   freely, subject to the following restrictions:

   1. The origin of this software must not be misrepresented; you must not
      claim that you wrote the original software. If you use this software
      in a product, an acknowledgment in the product documentation would be
      appreciated but is not required.
   2. Altered source versions must be plainly marked as such, and must not be
      misrepresented as being the original software.
   3. This notice may not be removed or altered from any source distribution.
 */
 #include "../../SDL_internal.h"

 #if SDL_VIDEO_DRIVER_WINDOWS

 #include "SDL_main.h"
 #include "SDL_video.h"
 #include "SDL_hints.h"
 #include "SDL_mouse.h"
 #include "SDL_system.h"
 #include "../SDL_sysvideo.h"
 #include "../SDL_pixels_c.h"

 #include "SDL_windowsvideo.h"
 #include "SDL_windowsframebuffer.h"
 #include "SDL_windowsshape.h"

 /* Initialization/Query functions */
 static int WIN_VideoInit(_THIS);
 static void WIN_VideoQuit(_THIS);

 /* Hints */
 SDL_bool g_WindowsEnableMessageLoop = SDL_TRUE;
 SDL_bool g_WindowFrameUsableWhileCursorHidden = SDL_TRUE;

 static void UpdateWindowsEnableMessageLoop(void *userdata, const char *name, const char *oldValue, const char *newValue)
 {
     if (newValue && *newValue == '0') {
         g_WindowsEnableMessageLoop = SDL_FALSE;
     } else {
         g_WindowsEnableMessageLoop = SDL_TRUE;
     }
 }

 static void UpdateWindowFrameUsableWhileCursorHidden(void *userdata, const char *name, const char *oldValue, const char *newValue)
 {
     if (newValue && *newValue == '0') {
         g_WindowFrameUsableWhileCursorHidden = SDL_FALSE;
     } else {
         g_WindowFrameUsableWhileCursorHidden = SDL_TRUE;
     }
 }


 /* Windows driver bootstrap functions */

 static int
 WIN_Available(void)
 {
     return (1);
 }

 static void
 WIN_DeleteDevice(SDL_VideoDevice * device)
 {
     SDL_VideoData *data = (SDL_VideoData *) device->driverdata;

     SDL_UnregisterApp();
     if (data->userDLL) {
         SDL_UnloadObject(data->userDLL);
     }
     if (data->shcoreDLL) {
         SDL_UnloadObject(data->shcoreDLL);
     }

     SDL_free(device->driverdata);
     SDL_free(device);
 }

 static SDL_VideoDevice *
 WIN_CreateDevice(int devindex)
 {
     SDL_VideoDevice *device;
     SDL_VideoData *data;

     SDL_RegisterApp(NULL, 0, NULL);

     /* Initialize all variables that we clean on shutdown */
     device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
     if (device) {
         data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
     } else {
         data = NULL;
     }
     if (!data) {
         SDL_free(device);
         SDL_OutOfMemory();
         return NULL;
     }
     device->driverdata = data;

     data->userDLL = SDL_LoadObject("USER32.DLL");
     if (data->userDLL) {
         data->CloseTouchInputHandle = (BOOL (WINAPI *)(HTOUCHINPUT)) SDL_LoadFunction(data->userDLL, "CloseTouchInputHandle");
         data->GetTouchInputInfo = (BOOL (WINAPI *)(HTOUCHINPUT, UINT, PTOUCHINPUT, int)) SDL_LoadFunction(data->userDLL, "GetTouchInputInfo");
         data->RegisterTouchWindow = (BOOL (WINAPI *)(HWND, ULONG)) SDL_LoadFunction(data->userDLL, "RegisterTouchWindow");
     }

     data->shcoreDLL = SDL_LoadObject("SHCORE.DLL");
     if (data->shcoreDLL) {
         data->GetDpiForMonitor = (HRESULT (WINAPI *)(HMONITOR, MONITOR_DPI_TYPE, UINT *, UINT *)) SDL_LoadFunction(data->shcoreDLL, "GetDpiForMonitor");
     }

     /* Set the function pointers */
     device->VideoInit = WIN_VideoInit;
     device->VideoQuit = WIN_VideoQuit;
     device->GetDisplayBounds = WIN_GetDisplayBounds;
     device->GetDisplayUsableBounds = WIN_GetDisplayUsableBounds;
     device->GetDisplayDPI = WIN_GetDisplayDPI;
     device->GetDisplayModes = WIN_GetDisplayModes;
     device->SetDisplayMode = WIN_SetDisplayMode;
     device->PumpEvents = WIN_PumpEvents;

 #undef CreateWindow
     device->CreateWindow = WIN_CreateWindow;
     device->CreateWindowFrom = WIN_CreateWindowFrom;
     device->SetWindowTitle = WIN_SetWindowTitle;
     device->SetWindowIcon = WIN_SetWindowIcon;
     device->SetWindowPosition = WIN_SetWindowPosition;
     device->SetWindowSize = WIN_SetWindowSize;
     device->SetWindowOpacity = WIN_SetWindowOpacity;
     device->ShowWindow = WIN_ShowWindow;
     device->HideWindow = WIN_HideWindow;
     device->RaiseWindow = WIN_RaiseWindow;
     device->MaximizeWindow = WIN_MaximizeWindow;
     device->MinimizeWindow = WIN_MinimizeWindow;
     device->RestoreWindow = WIN_RestoreWindow;
     device->SetWindowBordered = WIN_SetWindowBordered;
     device->SetWindowResizable = WIN_SetWindowResizable;
     device->SetWindowFullscreen = WIN_SetWindowFullscreen;
     device->SetWindowGammaRamp = WIN_SetWindowGammaRamp;
     device->GetWindowGammaRamp = WIN_GetWindowGammaRamp;
     device->SetWindowGrab = WIN_SetWindowGrab;
     device->DestroyWindow = WIN_DestroyWindow;
     device->GetWindowWMInfo = WIN_GetWindowWMInfo;
     device->CreateWindowFramebuffer = WIN_CreateWindowFramebuffer;
     device->UpdateWindowFramebuffer = WIN_UpdateWindowFramebuffer;
     device->DestroyWindowFramebuffer = WIN_DestroyWindowFramebuffer;
     device->OnWindowEnter = WIN_OnWindowEnter;
     device->SetWindowHitTest = WIN_SetWindowHitTest;

     device->shape_driver.CreateShaper = Win32_CreateShaper;
     device->shape_driver.SetWindowShape = Win32_SetWindowShape;
     device->shape_driver.ResizeWindowShape = Win32_ResizeWindowShape;

 #if SDL_VIDEO_OPENGL_WGL
     device->GL_LoadLibrary = WIN_GL_LoadLibrary;
     device->GL_GetProcAddress = WIN_GL_GetProcAddress;
     device->GL_UnloadLibrary = WIN_GL_UnloadLibrary;
     device->GL_CreateContext = WIN_GL_CreateContext;
     device->GL_MakeCurrent = WIN_GL_MakeCurrent;
     device->GL_SetSwapInterval = WIN_GL_SetSwapInterval;
     device->GL_GetSwapInterval = WIN_GL_GetSwapInterval;
     device->GL_SwapWindow = WIN_GL_SwapWindow;
     device->GL_DeleteContext = WIN_GL_DeleteContext;
 #elif SDL_VIDEO_OPENGL_EGL
     /* Use EGL based functions */
     device->GL_LoadLibrary = WIN_GLES_LoadLibrary;
     device->GL_GetProcAddress = WIN_GLES_GetProcAddress;
     device->GL_UnloadLibrary = WIN_GLES_UnloadLibrary;
     device->GL_CreateContext = WIN_GLES_CreateContext;
     device->GL_MakeCurrent = WIN_GLES_MakeCurrent;
     device->GL_SetSwapInterval = WIN_GLES_SetSwapInterval;
     device->GL_GetSwapInterval = WIN_GLES_GetSwapInterval;
     device->GL_SwapWindow = WIN_GLES_SwapWindow;
     device->GL_DeleteContext = WIN_GLES_DeleteContext;
 #endif
     device->StartTextInput = WIN_StartTextInput;
     device->StopTextInput = WIN_StopTextInput;
     device->SetTextInputRect = WIN_SetTextInputRect;

     device->SetClipboardText = WIN_SetClipboardText;
     device->GetClipboardText = WIN_GetClipboardText;
     device->HasClipboardText = WIN_HasClipboardText;

     device->free = WIN_DeleteDevice;

     return device;
 }


 VideoBootStrap WINDOWS_bootstrap = {
     "windows", "SDL Windows video driver", WIN_Available, WIN_CreateDevice
 };

 int
 WIN_VideoInit(_THIS)
 {
     if (WIN_InitModes(_this) < 0) {
         return -1;
     }

     WIN_InitKeyboard(_this);
     WIN_InitMouse(_this);

     SDL_AddHintCallback(SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP, UpdateWindowsEnableMessageLoop, NULL);
     SDL_AddHintCallback(SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN, UpdateWindowFrameUsableWhileCursorHidden, NULL);

     return 0;
 }

 void
 WIN_VideoQuit(_THIS)
 {
     WIN_QuitModes(_this);
     WIN_QuitKeyboard(_this);
     WIN_QuitMouse(_this);
 }


 #define D3D_DEBUG_INFO
 #include <d3d9.h>

 SDL_bool
 D3D_LoadDLL(void **pD3DDLL, IDirect3D9 **pDirect3D9Interface)
 {
     *pD3DDLL = SDL_LoadObject("D3D9.DLL");
     if (*pD3DDLL) {
         typedef IDirect3D9 *(WINAPI *Direct3DCreate9_t) (UINT SDKVersion);
         Direct3DCreate9_t Direct3DCreate9Func;

 #ifdef USE_D3D9EX
         typedef HRESULT (WINAPI *Direct3DCreate9Ex_t)(UINT SDKVersion, IDirect3D9Ex **ppD3D);
         Direct3DCreate9Ex_t Direct3DCreate9ExFunc;

         Direct3DCreate9ExFunc = (Direct3DCreate9Ex_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9Ex");
         if (Direct3DCreate9ExFunc) {
             IDirect3D9Ex *pDirect3D9ExInterface;
             HRESULT hr = Direct3DCreate9ExFunc(D3D_SDK_VERSION, &pDirect3D9ExInterface);
             if (SUCCEEDED(hr)) {
                 const GUID IDirect3D9_GUID = { 0x81bdcbca, 0x64d4, 0x426d, { 0xae, 0x8d, 0xad, 0x1, 0x47, 0xf4, 0x27, 0x5c } };
                 hr = IDirect3D9Ex_QueryInterface(pDirect3D9ExInterface, &IDirect3D9_GUID, (void**)pDirect3D9Interface);
                 IDirect3D9Ex_Release(pDirect3D9ExInterface);
                 if (SUCCEEDED(hr)) {
                     return SDL_TRUE;
                 }
             }
         }
 #endif /* USE_D3D9EX */

         Direct3DCreate9Func = (Direct3DCreate9_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9");
         if (Direct3DCreate9Func) {
             *pDirect3D9Interface = Direct3DCreate9Func(D3D_SDK_VERSION);
             if (*pDirect3D9Interface) {
                 return SDL_TRUE;
             }
         }

         SDL_UnloadObject(*pD3DDLL);
         *pD3DDLL = NULL;
     }
     *pDirect3D9Interface = NULL;
     return SDL_FALSE;
 }


 int
 SDL_Direct3D9GetAdapterIndex(int displayIndex)
 {
     void *pD3DDLL;
     IDirect3D9 *pD3D;
     if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) {
         SDL_SetError("Unable to create Direct3D interface");
         return D3DADAPTER_DEFAULT;
     } else {
         SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
         int adapterIndex = D3DADAPTER_DEFAULT;

         if (!pData) {
             SDL_SetError("Invalid display index");
             adapterIndex = -1; /* make sure we return something invalid */
         } else {
             char *displayName = WIN_StringToUTF8(pData->DeviceName);
             unsigned int count = IDirect3D9_GetAdapterCount(pD3D);
             unsigned int i;
             for (i=0; i<count; i++) {
                 D3DADAPTER_IDENTIFIER9 id;
                 IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id);

                 if (SDL_strcmp(id.DeviceName, displayName) == 0) {
                     adapterIndex = i;
                     break;
                 }
             }
             SDL_free(displayName);
         }

         /* free up the D3D stuff we inited */
         IDirect3D9_Release(pD3D);
         SDL_UnloadObject(pD3DDLL);

         return adapterIndex;
     }
 }

 #if HAVE_DXGI_H
 #define CINTERFACE
 #define COBJMACROS
 #include <dxgi.h>

 static SDL_bool
 DXGI_LoadDLL(void **pDXGIDLL, IDXGIFactory **pDXGIFactory)
 {
     *pDXGIDLL = SDL_LoadObject("DXGI.DLL");
     if (*pDXGIDLL) {
         HRESULT (WINAPI *CreateDXGI)(REFIID riid, void **ppFactory);

         CreateDXGI =
             (HRESULT (WINAPI *) (REFIID, void**)) SDL_LoadFunction(*pDXGIDLL,
             "CreateDXGIFactory");
         if (CreateDXGI) {
             GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}};
             if (!SUCCEEDED(CreateDXGI(&dxgiGUID, (void**)pDXGIFactory))) {
                 *pDXGIFactory = NULL;
             }
         }
         if (!*pDXGIFactory) {
             SDL_UnloadObject(*pDXGIDLL);
             *pDXGIDLL = NULL;
             return SDL_FALSE;
         }

         return SDL_TRUE;
     } else {
         *pDXGIFactory = NULL;
         return SDL_FALSE;
     }
 }
 #endif


 SDL_bool
 SDL_DXGIGetOutputInfo(int displayIndex, int *adapterIndex, int *outputIndex)
 {
 #if !HAVE_DXGI_H
     if (adapterIndex) *adapterIndex = -1;
     if (outputIndex) *outputIndex = -1;
     SDL_SetError("SDL was compiled without DXGI support due to missing dxgi.h header");
     return SDL_FALSE;
 #else
     SDL_DisplayData *pData = (SDL_DisplayData *)SDL_GetDisplayDriverData(displayIndex);
     void *pDXGIDLL;
     char *displayName;
     int nAdapter, nOutput;
     IDXGIFactory *pDXGIFactory;
     IDXGIAdapter *pDXGIAdapter;
     IDXGIOutput* pDXGIOutput;

     if (!adapterIndex) {
         SDL_InvalidParamError("adapterIndex");
         return SDL_FALSE;
     }

     if (!outputIndex) {
         SDL_InvalidParamError("outputIndex");
         return SDL_FALSE;
     }

     *adapterIndex = -1;
     *outputIndex = -1;

     if (!pData) {
         SDL_SetError("Invalid display index");
         return SDL_FALSE;
     }

     if (!DXGI_LoadDLL(&pDXGIDLL, &pDXGIFactory)) {
         SDL_SetError("Unable to create DXGI interface");
         return SDL_FALSE;
     }

     displayName = WIN_StringToUTF8(pData->DeviceName);
     nAdapter = 0;
     while (*adapterIndex == -1 && SUCCEEDED(IDXGIFactory_EnumAdapters(pDXGIFactory, nAdapter, &pDXGIAdapter))) {
         nOutput = 0;
         while (*adapterIndex == -1 && SUCCEEDED(IDXGIAdapter_EnumOutputs(pDXGIAdapter, nOutput, &pDXGIOutput))) {
             DXGI_OUTPUT_DESC outputDesc;
             if (SUCCEEDED(IDXGIOutput_GetDesc(pDXGIOutput, &outputDesc))) {
                 char *outputName = WIN_StringToUTF8(outputDesc.DeviceName);
                 if (SDL_strcmp(outputName, displayName) == 0) {
                     *adapterIndex = nAdapter;
                     *outputIndex = nOutput;
                 }
                 SDL_free(outputName);
             }
             IDXGIOutput_Release(pDXGIOutput);
             nOutput++;
         }
         IDXGIAdapter_Release(pDXGIAdapter);
         nAdapter++;
     }
     SDL_free(displayName);

     /* free up the DXGI factory */
     IDXGIFactory_Release(pDXGIFactory);
     SDL_UnloadObject(pDXGIDLL);

     if (*adapterIndex == -1) {
         return SDL_FALSE;
     } else {
         return SDL_TRUE;
     }
 #endif
 }

 #endif /* SDL_VIDEO_DRIVER_WINDOWS */

 /* vim: set ts=4 sw=4 expandtab: */
	/*
	Simple DirectMedia Layer
	Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>

	This software is provided 'as-is', without any express or implied
	warranty. In no event will the authors be held liable for any damages
	arising from the use of this software.

	Permission is granted to anyone to use this software for any purpose,
	including commercial applications, and to alter it and redistribute it
	freely, subject to the following restrictions:

	1. The origin of this software must not be misrepresented; you must not
	claim that you wrote the original software. If you use this software
	in a product, an acknowledgment in the product documentation would be
	appreciated but is not required.
	2. Altered source versions must be plainly marked as such, and must not be
	misrepresented as being the original software.
	3. This notice may not be removed or altered from any source distribution.
	*/
	#include "../../SDL_internal.h"

	#if SDL_VIDEO_DRIVER_WINDOWS

	#include "SDL_main.h"
	#include "SDL_video.h"
	#include "SDL_hints.h"
	#include "SDL_mouse.h"
	#include "SDL_system.h"
	#include "../SDL_sysvideo.h"
	#include "../SDL_pixels_c.h"

	#include "SDL_windowsvideo.h"
	#include "SDL_windowsframebuffer.h"
	#include "SDL_windowsshape.h"

	/* Initialization/Query functions */
	static int WIN_VideoInit(_THIS);
	static void WIN_VideoQuit(_THIS);

	/* Hints */
	SDL_bool g_WindowsEnableMessageLoop = SDL_TRUE;
	SDL_bool g_WindowFrameUsableWhileCursorHidden = SDL_TRUE;

	static void UpdateWindowsEnableMessageLoop(void userdata, const char name, const char oldValue, const char newValue)
	{
	if (newValue && *newValue == '0') {
	g_WindowsEnableMessageLoop = SDL_FALSE;
	} else {
	g_WindowsEnableMessageLoop = SDL_TRUE;
	}
	}

	static void UpdateWindowFrameUsableWhileCursorHidden(void userdata, const char name, const char oldValue, const char newValue)
	{
	if (newValue && *newValue == '0') {
	g_WindowFrameUsableWhileCursorHidden = SDL_FALSE;
	} else {
	g_WindowFrameUsableWhileCursorHidden = SDL_TRUE;
	}
	}


	/* Windows driver bootstrap functions */

	static int
	WIN_Available(void)
	{
	return (1);
	}

	static void
	WIN_DeleteDevice(SDL_VideoDevice * device)
	{
	SDL_VideoData data = (SDL_VideoData ) device->driverdata;

	SDL_UnregisterApp();
	if (data->userDLL) {
	SDL_UnloadObject(data->userDLL);
	}
	if (data->shcoreDLL) {
	SDL_UnloadObject(data->shcoreDLL);
	}

	SDL_free(device->driverdata);
	SDL_free(device);
	}

	static SDL_VideoDevice *
	WIN_CreateDevice(int devindex)
	{
	SDL_VideoDevice *device;
	SDL_VideoData *data;

	SDL_RegisterApp(NULL, 0, NULL);

	/* Initialize all variables that we clean on shutdown */
	device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
	if (device) {
	data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
	} else {
	data = NULL;
	}
	if (!data) {
	SDL_free(device);
	SDL_OutOfMemory();
	return NULL;
	}
	device->driverdata = data;

	data->userDLL = SDL_LoadObject("USER32.DLL");
	if (data->userDLL) {
	data->CloseTouchInputHandle = (BOOL (WINAPI *)(HTOUCHINPUT)) SDL_LoadFunction(data->userDLL, "CloseTouchInputHandle");
	data->GetTouchInputInfo = (BOOL (WINAPI *)(HTOUCHINPUT, UINT, PTOUCHINPUT, int)) SDL_LoadFunction(data->userDLL, "GetTouchInputInfo");
	data->RegisterTouchWindow = (BOOL (WINAPI *)(HWND, ULONG)) SDL_LoadFunction(data->userDLL, "RegisterTouchWindow");
	}

	data->shcoreDLL = SDL_LoadObject("SHCORE.DLL");
	if (data->shcoreDLL) {
	data->GetDpiForMonitor = (HRESULT (WINAPI )(HMONITOR, MONITOR_DPI_TYPE, UINT , UINT *)) SDL_LoadFunction(data->shcoreDLL, "GetDpiForMonitor");
	}

	/* Set the function pointers */
	device->VideoInit = WIN_VideoInit;
	device->VideoQuit = WIN_VideoQuit;
	device->GetDisplayBounds = WIN_GetDisplayBounds;
	device->GetDisplayUsableBounds = WIN_GetDisplayUsableBounds;
	device->GetDisplayDPI = WIN_GetDisplayDPI;
	device->GetDisplayModes = WIN_GetDisplayModes;
	device->SetDisplayMode = WIN_SetDisplayMode;
	device->PumpEvents = WIN_PumpEvents;

	#undef CreateWindow
	device->CreateWindow = WIN_CreateWindow;
	device->CreateWindowFrom = WIN_CreateWindowFrom;
	device->SetWindowTitle = WIN_SetWindowTitle;
	device->SetWindowIcon = WIN_SetWindowIcon;
	device->SetWindowPosition = WIN_SetWindowPosition;
	device->SetWindowSize = WIN_SetWindowSize;
	device->SetWindowOpacity = WIN_SetWindowOpacity;
	device->ShowWindow = WIN_ShowWindow;
	device->HideWindow = WIN_HideWindow;
	device->RaiseWindow = WIN_RaiseWindow;
	device->MaximizeWindow = WIN_MaximizeWindow;
	device->MinimizeWindow = WIN_MinimizeWindow;
	device->RestoreWindow = WIN_RestoreWindow;
	device->SetWindowBordered = WIN_SetWindowBordered;
	device->SetWindowResizable = WIN_SetWindowResizable;
	device->SetWindowFullscreen = WIN_SetWindowFullscreen;
	device->SetWindowGammaRamp = WIN_SetWindowGammaRamp;
	device->GetWindowGammaRamp = WIN_GetWindowGammaRamp;
	device->SetWindowGrab = WIN_SetWindowGrab;
	device->DestroyWindow = WIN_DestroyWindow;
	device->GetWindowWMInfo = WIN_GetWindowWMInfo;
	device->CreateWindowFramebuffer = WIN_CreateWindowFramebuffer;
	device->UpdateWindowFramebuffer = WIN_UpdateWindowFramebuffer;
	device->DestroyWindowFramebuffer = WIN_DestroyWindowFramebuffer;
	device->OnWindowEnter = WIN_OnWindowEnter;
	device->SetWindowHitTest = WIN_SetWindowHitTest;

	device->shape_driver.CreateShaper = Win32_CreateShaper;
	device->shape_driver.SetWindowShape = Win32_SetWindowShape;
	device->shape_driver.ResizeWindowShape = Win32_ResizeWindowShape;

	#if SDL_VIDEO_OPENGL_WGL
	device->GL_LoadLibrary = WIN_GL_LoadLibrary;
	device->GL_GetProcAddress = WIN_GL_GetProcAddress;
	device->GL_UnloadLibrary = WIN_GL_UnloadLibrary;
	device->GL_CreateContext = WIN_GL_CreateContext;
	device->GL_MakeCurrent = WIN_GL_MakeCurrent;
	device->GL_SetSwapInterval = WIN_GL_SetSwapInterval;
	device->GL_GetSwapInterval = WIN_GL_GetSwapInterval;
	device->GL_SwapWindow = WIN_GL_SwapWindow;
	device->GL_DeleteContext = WIN_GL_DeleteContext;
	#elif SDL_VIDEO_OPENGL_EGL
	/* Use EGL based functions */
	device->GL_LoadLibrary = WIN_GLES_LoadLibrary;
	device->GL_GetProcAddress = WIN_GLES_GetProcAddress;
	device->GL_UnloadLibrary = WIN_GLES_UnloadLibrary;
	device->GL_CreateContext = WIN_GLES_CreateContext;
	device->GL_MakeCurrent = WIN_GLES_MakeCurrent;
	device->GL_SetSwapInterval = WIN_GLES_SetSwapInterval;
	device->GL_GetSwapInterval = WIN_GLES_GetSwapInterval;
	device->GL_SwapWindow = WIN_GLES_SwapWindow;
	device->GL_DeleteContext = WIN_GLES_DeleteContext;
	#endif
	device->StartTextInput = WIN_StartTextInput;
	device->StopTextInput = WIN_StopTextInput;
	device->SetTextInputRect = WIN_SetTextInputRect;

	device->SetClipboardText = WIN_SetClipboardText;
	device->GetClipboardText = WIN_GetClipboardText;
	device->HasClipboardText = WIN_HasClipboardText;

	device->free = WIN_DeleteDevice;

	return device;
	}


	VideoBootStrap WINDOWS_bootstrap = {
	"windows", "SDL Windows video driver", WIN_Available, WIN_CreateDevice
	};

	int
	WIN_VideoInit(_THIS)
	{
	if (WIN_InitModes(_this) < 0) {
	return -1;
	}

	WIN_InitKeyboard(_this);
	WIN_InitMouse(_this);

	SDL_AddHintCallback(SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP, UpdateWindowsEnableMessageLoop, NULL);
	SDL_AddHintCallback(SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN, UpdateWindowFrameUsableWhileCursorHidden, NULL);

	return 0;
	}

	void
	WIN_VideoQuit(_THIS)
	{
	WIN_QuitModes(_this);
	WIN_QuitKeyboard(_this);
	WIN_QuitMouse(_this);
	}


	#define D3D_DEBUG_INFO
	#include <d3d9.h>

	SDL_bool
	D3D_LoadDLL(void pD3DDLL, IDirect3D9 pDirect3D9Interface)
	{
	*pD3DDLL = SDL_LoadObject("D3D9.DLL");
	if (*pD3DDLL) {
	typedef IDirect3D9 (WINAPI Direct3DCreate9_t) (UINT SDKVersion);
	Direct3DCreate9_t Direct3DCreate9Func;

	#ifdef USE_D3D9EX
	typedef HRESULT (WINAPI Direct3DCreate9Ex_t)(UINT SDKVersion, IDirect3D9Ex *ppD3D);
	Direct3DCreate9Ex_t Direct3DCreate9ExFunc;

	Direct3DCreate9ExFunc = (Direct3DCreate9Ex_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9Ex");
	if (Direct3DCreate9ExFunc) {
	IDirect3D9Ex *pDirect3D9ExInterface;
	HRESULT hr = Direct3DCreate9ExFunc(D3D_SDK_VERSION, &pDirect3D9ExInterface);
	if (SUCCEEDED(hr)) {
	const GUID IDirect3D9_GUID = { 0x81bdcbca, 0x64d4, 0x426d, { 0xae, 0x8d, 0xad, 0x1, 0x47, 0xf4, 0x27, 0x5c } };
	hr = IDirect3D9Ex_QueryInterface(pDirect3D9ExInterface, &IDirect3D9_GUID, (void**)pDirect3D9Interface);
	IDirect3D9Ex_Release(pDirect3D9ExInterface);
	if (SUCCEEDED(hr)) {
	return SDL_TRUE;
	}
	}
	}
	#endif /* USE_D3D9EX */

	Direct3DCreate9Func = (Direct3DCreate9_t)SDL_LoadFunction(*pD3DDLL, "Direct3DCreate9");
	if (Direct3DCreate9Func) {
	*pDirect3D9Interface = Direct3DCreate9Func(D3D_SDK_VERSION);
	if (*pDirect3D9Interface) {
	return SDL_TRUE;
	}
	}

	SDL_UnloadObject(*pD3DDLL);
	*pD3DDLL = NULL;
	}
	*pDirect3D9Interface = NULL;
	return SDL_FALSE;
	}


	int
	SDL_Direct3D9GetAdapterIndex(int displayIndex)
	{
	void *pD3DDLL;
	IDirect3D9 *pD3D;
	if (!D3D_LoadDLL(&pD3DDLL, &pD3D)) {
	SDL_SetError("Unable to create Direct3D interface");
	return D3DADAPTER_DEFAULT;
	} else {
	SDL_DisplayData pData = (SDL_DisplayData )SDL_GetDisplayDriverData(displayIndex);
	int adapterIndex = D3DADAPTER_DEFAULT;

	if (!pData) {
	SDL_SetError("Invalid display index");
	adapterIndex = -1; /* make sure we return something invalid */
	} else {
	char *displayName = WIN_StringToUTF8(pData->DeviceName);
	unsigned int count = IDirect3D9_GetAdapterCount(pD3D);
	unsigned int i;
	for (i=0; i<count; i++) {
	D3DADAPTER_IDENTIFIER9 id;
	IDirect3D9_GetAdapterIdentifier(pD3D, i, 0, &id);

	if (SDL_strcmp(id.DeviceName, displayName) == 0) {
	adapterIndex = i;
	break;
	}
	}
	SDL_free(displayName);
	}

	/* free up the D3D stuff we inited */
	IDirect3D9_Release(pD3D);
	SDL_UnloadObject(pD3DDLL);

	return adapterIndex;
	}
	}

	#if HAVE_DXGI_H
	#define CINTERFACE
	#define COBJMACROS
	#include <dxgi.h>

	static SDL_bool
	DXGI_LoadDLL(void pDXGIDLL, IDXGIFactory pDXGIFactory)
	{
	*pDXGIDLL = SDL_LoadObject("DXGI.DLL");
	if (*pDXGIDLL) {
	HRESULT (WINAPI CreateDXGI)(REFIID riid, void *ppFactory);

	CreateDXGI =
	(HRESULT (WINAPI ) (REFIID, void)) SDL_LoadFunction(pDXGIDLL,
	"CreateDXGIFactory");
	if (CreateDXGI) {
	GUID dxgiGUID = {0x7b7166ec,0x21c7,0x44ae,{0xb2,0x1a,0xc9,0xae,0x32,0x1a,0xe3,0x69}};
	if (!SUCCEEDED(CreateDXGI(&dxgiGUID, (void**)pDXGIFactory))) {
	*pDXGIFactory = NULL;
	}
	}
	if (!*pDXGIFactory) {
	SDL_UnloadObject(*pDXGIDLL);
	*pDXGIDLL = NULL;
	return SDL_FALSE;
	}

	return SDL_TRUE;
	} else {
	*pDXGIFactory = NULL;
	return SDL_FALSE;
	}
	}
	#endif


	SDL_bool
	SDL_DXGIGetOutputInfo(int displayIndex, int adapterIndex, int outputIndex)
	{
	#if !HAVE_DXGI_H
	if (adapterIndex) *adapterIndex = -1;
	if (outputIndex) *outputIndex = -1;
	SDL_SetError("SDL was compiled without DXGI support due to missing dxgi.h header");
	return SDL_FALSE;
	#else
	SDL_DisplayData pData = (SDL_DisplayData )SDL_GetDisplayDriverData(displayIndex);
	void *pDXGIDLL;
	char *displayName;
	int nAdapter, nOutput;
	IDXGIFactory *pDXGIFactory;
	IDXGIAdapter *pDXGIAdapter;
	IDXGIOutput* pDXGIOutput;

	if (!adapterIndex) {
	SDL_InvalidParamError("adapterIndex");
	return SDL_FALSE;
	}

	if (!outputIndex) {
	SDL_InvalidParamError("outputIndex");
	return SDL_FALSE;
	}

	*adapterIndex = -1;
	*outputIndex = -1;

	if (!pData) {
	SDL_SetError("Invalid display index");
	return SDL_FALSE;
	}

	if (!DXGI_LoadDLL(&pDXGIDLL, &pDXGIFactory)) {
	SDL_SetError("Unable to create DXGI interface");
	return SDL_FALSE;
	}

	displayName = WIN_StringToUTF8(pData->DeviceName);
	nAdapter = 0;
	while (*adapterIndex == -1 && SUCCEEDED(IDXGIFactory_EnumAdapters(pDXGIFactory, nAdapter, &pDXGIAdapter))) {
	nOutput = 0;
	while (*adapterIndex == -1 && SUCCEEDED(IDXGIAdapter_EnumOutputs(pDXGIAdapter, nOutput, &pDXGIOutput))) {
	DXGI_OUTPUT_DESC outputDesc;
	if (SUCCEEDED(IDXGIOutput_GetDesc(pDXGIOutput, &outputDesc))) {
	char *outputName = WIN_StringToUTF8(outputDesc.DeviceName);
	if (SDL_strcmp(outputName, displayName) == 0) {
	*adapterIndex = nAdapter;
	*outputIndex = nOutput;
	}
	SDL_free(outputName);
	}
	IDXGIOutput_Release(pDXGIOutput);
	nOutput++;
	}
	IDXGIAdapter_Release(pDXGIAdapter);
	nAdapter++;
	}
	SDL_free(displayName);

	/* free up the DXGI factory */
	IDXGIFactory_Release(pDXGIFactory);
	SDL_UnloadObject(pDXGIDLL);

	if (*adapterIndex == -1) {
	return SDL_FALSE;
	} else {
	return SDL_TRUE;
	}
	#endif
	}

	#endif /* SDL_VIDEO_DRIVER_WINDOWS */

	/* vim: set ts=4 sw=4 expandtab: */