src/video/vivante/SDL_vivantevideo.c - third_party/sdl - Git at Google

 /*
   Simple DirectMedia Layer
   Copyright (C) 1997-2020 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_VIVANTE

 /* SDL internals */
 #include "../SDL_sysvideo.h"
 #include "SDL_version.h"
 #include "SDL_syswm.h"
 #include "SDL_loadso.h"
 #include "SDL_events.h"
 #include "../../events/SDL_events_c.h"

 #ifdef SDL_INPUT_LINUXEV
 #include "../../core/linux/SDL_evdev.h"
 #endif

 #include "SDL_vivantevideo.h"
 #include "SDL_vivanteplatform.h"
 #include "SDL_vivanteopengles.h"
 #include "SDL_vivantevulkan.h"


 static int
 VIVANTE_Available(void)
 {
     return 1;
 }

 static void
 VIVANTE_Destroy(SDL_VideoDevice * device)
 {
     if (device->driverdata != NULL) {
         SDL_free(device->driverdata);
         device->driverdata = NULL;
     }
 }

 static SDL_VideoDevice *
 VIVANTE_Create()
 {
     SDL_VideoDevice *device;
     SDL_VideoData *data;

     /* Initialize SDL_VideoDevice structure */
     device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
     if (device == NULL) {
         SDL_OutOfMemory();
         return NULL;
     }

     /* Initialize internal data */
     data = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
     if (data == NULL) {
         SDL_OutOfMemory();
         SDL_free(device);
         return NULL;
     }

     device->driverdata = data;

     /* Setup amount of available displays */
     device->num_displays = 0;

     /* Set device free function */
     device->free = VIVANTE_Destroy;

     /* Setup all functions which we can handle */
     device->VideoInit = VIVANTE_VideoInit;
     device->VideoQuit = VIVANTE_VideoQuit;
     device->GetDisplayModes = VIVANTE_GetDisplayModes;
     device->SetDisplayMode = VIVANTE_SetDisplayMode;
     device->CreateSDLWindow = VIVANTE_CreateWindow;
     device->SetWindowTitle = VIVANTE_SetWindowTitle;
     device->SetWindowPosition = VIVANTE_SetWindowPosition;
     device->SetWindowSize = VIVANTE_SetWindowSize;
     device->ShowWindow = VIVANTE_ShowWindow;
     device->HideWindow = VIVANTE_HideWindow;
     device->DestroyWindow = VIVANTE_DestroyWindow;
     device->GetWindowWMInfo = VIVANTE_GetWindowWMInfo;

 #if SDL_VIDEO_OPENGL_EGL
     device->GL_LoadLibrary = VIVANTE_GLES_LoadLibrary;
     device->GL_GetProcAddress = VIVANTE_GLES_GetProcAddress;
     device->GL_UnloadLibrary = VIVANTE_GLES_UnloadLibrary;
     device->GL_CreateContext = VIVANTE_GLES_CreateContext;
     device->GL_MakeCurrent = VIVANTE_GLES_MakeCurrent;
     device->GL_SetSwapInterval = VIVANTE_GLES_SetSwapInterval;
     device->GL_GetSwapInterval = VIVANTE_GLES_GetSwapInterval;
     device->GL_SwapWindow = VIVANTE_GLES_SwapWindow;
     device->GL_DeleteContext = VIVANTE_GLES_DeleteContext;
 #endif

 #if SDL_VIDEO_VULKAN
     device->Vulkan_LoadLibrary = VIVANTE_Vulkan_LoadLibrary;
     device->Vulkan_UnloadLibrary = VIVANTE_Vulkan_UnloadLibrary;
     device->Vulkan_GetInstanceExtensions = VIVANTE_Vulkan_GetInstanceExtensions;
     device->Vulkan_CreateSurface = VIVANTE_Vulkan_CreateSurface;
 #endif

     device->PumpEvents = VIVANTE_PumpEvents;

     return device;
 }

 VideoBootStrap VIVANTE_bootstrap = {
     "vivante",
     "Vivante EGL Video Driver",
     VIVANTE_Available,
     VIVANTE_Create
 };

 /*****************************************************************************/
 /* SDL Video and Display initialization/handling functions                   */
 /*****************************************************************************/

 static int
 VIVANTE_AddVideoDisplays(_THIS)
 {
     SDL_VideoData *videodata = _this->driverdata;
     SDL_VideoDisplay display;
     SDL_DisplayMode current_mode;
     SDL_DisplayData *data;
     int pitch = 0, bpp = 0;
     unsigned long pixels = 0;

     data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
     if (data == NULL) {
         return SDL_OutOfMemory();
     }

     SDL_zero(current_mode);
 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     data->native_display = vdkGetDisplay(videodata->vdk_private);

     vdkGetDisplayInfo(data->native_display, &current_mode.w, &current_mode.h, &pixels, &pitch, &bpp);
 #else
     data->native_display = videodata->fbGetDisplayByIndex(0);

     videodata->fbGetDisplayInfo(data->native_display, &current_mode.w, &current_mode.h, &pixels, &pitch, &bpp);
 #endif /* SDL_VIDEO_DRIVER_VIVANTE_VDK */

     switch (bpp)
     {
     default: /* Is another format used? */
     case 32:
         current_mode.format = SDL_PIXELFORMAT_ARGB8888;
         break;
     case 16:
         current_mode.format = SDL_PIXELFORMAT_RGB565;
         break;
     }
     /* FIXME: How do we query refresh rate? */
     current_mode.refresh_rate = 60;

     SDL_zero(display);
     display.name = VIVANTE_GetDisplayName(_this);
     display.desktop_mode = current_mode;
     display.current_mode = current_mode;
     display.driverdata = data;
     SDL_AddVideoDisplay(&display);
     return 0;
 }

 int
 VIVANTE_VideoInit(_THIS)
 {
     SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;

 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     videodata->vdk_private = vdkInitialize();
     if (!videodata->vdk_private) {
         return SDL_SetError("vdkInitialize() failed");
     }
 #else
     videodata->egl_handle = SDL_LoadObject("libEGL.so.1");
     if (!videodata->egl_handle) {
         videodata->egl_handle = SDL_LoadObject("libEGL.so");
         if (!videodata->egl_handle) {
             return -1;
         }
     }
 #define LOAD_FUNC(NAME) \
     videodata->NAME = SDL_LoadFunction(videodata->egl_handle, #NAME); \
     if (!videodata->NAME) return -1;

     LOAD_FUNC(fbGetDisplay);
     LOAD_FUNC(fbGetDisplayByIndex);
     LOAD_FUNC(fbGetDisplayGeometry);
     LOAD_FUNC(fbGetDisplayInfo);
     LOAD_FUNC(fbDestroyDisplay);
     LOAD_FUNC(fbCreateWindow);
     LOAD_FUNC(fbGetWindowGeometry);
     LOAD_FUNC(fbGetWindowInfo);
     LOAD_FUNC(fbDestroyWindow);
 #endif

     if (VIVANTE_SetupPlatform(_this) < 0) {
         return -1;
     }

     if (VIVANTE_AddVideoDisplays(_this) < 0) {
         return -1;
     }

     VIVANTE_UpdateDisplayScale(_this);

 #ifdef SDL_INPUT_LINUXEV
     if (SDL_EVDEV_Init() < 0) {
         return -1;
     }
 #endif

     return 0;
 }

 void
 VIVANTE_VideoQuit(_THIS)
 {
     SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;

 #ifdef SDL_INPUT_LINUXEV
     SDL_EVDEV_Quit();
 #endif

     VIVANTE_CleanupPlatform(_this);

 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     if (videodata->vdk_private) {
         vdkExit(videodata->vdk_private);
         videodata->vdk_private = NULL;
     }
 #else
     if (videodata->egl_handle) {
         SDL_UnloadObject(videodata->egl_handle);
         videodata->egl_handle = NULL;
     }
 #endif
 }

 void
 VIVANTE_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
 {
     /* Only one display mode available, the current one */
     SDL_AddDisplayMode(display, &display->current_mode);
 }

 int
 VIVANTE_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
 {
     return 0;
 }

 int
 VIVANTE_CreateWindow(_THIS, SDL_Window * window)
 {
     SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
     SDL_DisplayData *displaydata;
     SDL_WindowData *data;

     displaydata = SDL_GetDisplayDriverData(0);

     /* Allocate window internal data */
     data = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
     if (data == NULL) {
         return SDL_OutOfMemory();
     }

     /* Setup driver data for this window */
     window->driverdata = data;

 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     data->native_window = vdkCreateWindow(displaydata->native_display, window->x, window->y, window->w, window->h);
 #else
     data->native_window = videodata->fbCreateWindow(displaydata->native_display, window->x, window->y, window->w, window->h);
 #endif
     if (!data->native_window) {
         return SDL_SetError("VIVANTE: Can't create native window");
     }

 #if SDL_VIDEO_OPENGL_EGL
     if (window->flags & SDL_WINDOW_OPENGL) {
         data->egl_surface = SDL_EGL_CreateSurface(_this, data->native_window);
         if (data->egl_surface == EGL_NO_SURFACE) {
             return SDL_SetError("VIVANTE: Can't create EGL surface");
         }
     } else {
         data->egl_surface = EGL_NO_SURFACE;
     }
 #endif

     /* Window has been successfully created */
     return 0;
 }

 void
 VIVANTE_DestroyWindow(_THIS, SDL_Window * window)
 {
     SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
     SDL_WindowData *data;

     data = window->driverdata;
     if (data) {
 #if SDL_VIDEO_OPENGL_EGL
         if (data->egl_surface != EGL_NO_SURFACE) {
             SDL_EGL_DestroySurface(_this, data->egl_surface);
         }
 #endif

         if (data->native_window) {
 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
             vdkDestroyWindow(data->native_window);
 #else
             videodata->fbDestroyWindow(data->native_window);
 #endif
         }

         SDL_free(data);
     }
     window->driverdata = NULL;
 }

 void
 VIVANTE_SetWindowTitle(_THIS, SDL_Window * window)
 {
 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     SDL_WindowData *data = window->driverdata;
     vdkSetWindowTitle(data->native_window, window->title);
 #endif
 }

 void
 VIVANTE_SetWindowPosition(_THIS, SDL_Window * window)
 {
     /* FIXME */
 }

 void
 VIVANTE_SetWindowSize(_THIS, SDL_Window * window)
 {
     /* FIXME */
 }

 void
 VIVANTE_ShowWindow(_THIS, SDL_Window * window)
 {
 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     SDL_WindowData *data = window->driverdata;
     vdkShowWindow(data->native_window);
 #endif
     SDL_SetMouseFocus(window);
     SDL_SetKeyboardFocus(window);
 }

 void
 VIVANTE_HideWindow(_THIS, SDL_Window * window)
 {
 #if SDL_VIDEO_DRIVER_VIVANTE_VDK
     SDL_WindowData *data = window->driverdata;
     vdkHideWindow(data->native_window);
 #endif
 }

 /*****************************************************************************/
 /* SDL Window Manager function                                               */
 /*****************************************************************************/
 SDL_bool
 VIVANTE_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
 {
     SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
     SDL_DisplayData *displaydata = SDL_GetDisplayDriverData(0);

     if (info->version.major == SDL_MAJOR_VERSION &&
         info->version.minor == SDL_MINOR_VERSION) {
         info->subsystem = SDL_SYSWM_VIVANTE;
         info->info.vivante.display = displaydata->native_display;
         info->info.vivante.window = data->native_window;
         return SDL_TRUE;
     } else {
         SDL_SetError("Application not compiled with SDL %d.%d",
                      SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
         return SDL_FALSE;
     }
 }

 /*****************************************************************************/
 /* SDL event functions                                                       */
 /*****************************************************************************/
 void VIVANTE_PumpEvents(_THIS)
 {
 #ifdef SDL_INPUT_LINUXEV
     SDL_EVDEV_Poll();
 #endif
 }

 #endif /* SDL_VIDEO_DRIVER_VIVANTE */

 /* vi: set ts=4 sw=4 expandtab: */
	/*
	Simple DirectMedia Layer
	Copyright (C) 1997-2020 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_VIVANTE

	/* SDL internals */
	#include "../SDL_sysvideo.h"
	#include "SDL_version.h"
	#include "SDL_syswm.h"
	#include "SDL_loadso.h"
	#include "SDL_events.h"
	#include "../../events/SDL_events_c.h"

	#ifdef SDL_INPUT_LINUXEV
	#include "../../core/linux/SDL_evdev.h"
	#endif

	#include "SDL_vivantevideo.h"
	#include "SDL_vivanteplatform.h"
	#include "SDL_vivanteopengles.h"
	#include "SDL_vivantevulkan.h"


	static int
	VIVANTE_Available(void)
	{
	return 1;
	}

	static void
	VIVANTE_Destroy(SDL_VideoDevice * device)
	{
	if (device->driverdata != NULL) {
	SDL_free(device->driverdata);
	device->driverdata = NULL;
	}
	}

	static SDL_VideoDevice *
	VIVANTE_Create()
	{
	SDL_VideoDevice *device;
	SDL_VideoData *data;

	/* Initialize SDL_VideoDevice structure */
	device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
	if (device == NULL) {
	SDL_OutOfMemory();
	return NULL;
	}

	/* Initialize internal data */
	data = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
	if (data == NULL) {
	SDL_OutOfMemory();
	SDL_free(device);
	return NULL;
	}

	device->driverdata = data;

	/* Setup amount of available displays */
	device->num_displays = 0;

	/* Set device free function */
	device->free = VIVANTE_Destroy;

	/* Setup all functions which we can handle */
	device->VideoInit = VIVANTE_VideoInit;
	device->VideoQuit = VIVANTE_VideoQuit;
	device->GetDisplayModes = VIVANTE_GetDisplayModes;
	device->SetDisplayMode = VIVANTE_SetDisplayMode;
	device->CreateSDLWindow = VIVANTE_CreateWindow;
	device->SetWindowTitle = VIVANTE_SetWindowTitle;
	device->SetWindowPosition = VIVANTE_SetWindowPosition;
	device->SetWindowSize = VIVANTE_SetWindowSize;
	device->ShowWindow = VIVANTE_ShowWindow;
	device->HideWindow = VIVANTE_HideWindow;
	device->DestroyWindow = VIVANTE_DestroyWindow;
	device->GetWindowWMInfo = VIVANTE_GetWindowWMInfo;

	#if SDL_VIDEO_OPENGL_EGL
	device->GL_LoadLibrary = VIVANTE_GLES_LoadLibrary;
	device->GL_GetProcAddress = VIVANTE_GLES_GetProcAddress;
	device->GL_UnloadLibrary = VIVANTE_GLES_UnloadLibrary;
	device->GL_CreateContext = VIVANTE_GLES_CreateContext;
	device->GL_MakeCurrent = VIVANTE_GLES_MakeCurrent;
	device->GL_SetSwapInterval = VIVANTE_GLES_SetSwapInterval;
	device->GL_GetSwapInterval = VIVANTE_GLES_GetSwapInterval;
	device->GL_SwapWindow = VIVANTE_GLES_SwapWindow;
	device->GL_DeleteContext = VIVANTE_GLES_DeleteContext;
	#endif

	#if SDL_VIDEO_VULKAN
	device->Vulkan_LoadLibrary = VIVANTE_Vulkan_LoadLibrary;
	device->Vulkan_UnloadLibrary = VIVANTE_Vulkan_UnloadLibrary;
	device->Vulkan_GetInstanceExtensions = VIVANTE_Vulkan_GetInstanceExtensions;
	device->Vulkan_CreateSurface = VIVANTE_Vulkan_CreateSurface;
	#endif

	device->PumpEvents = VIVANTE_PumpEvents;

	return device;
	}

	VideoBootStrap VIVANTE_bootstrap = {
	"vivante",
	"Vivante EGL Video Driver",
	VIVANTE_Available,
	VIVANTE_Create
	};

	/*****************************************************************************/
	/* SDL Video and Display initialization/handling functions */
	/*****************************************************************************/

	static int
	VIVANTE_AddVideoDisplays(_THIS)
	{
	SDL_VideoData *videodata = _this->driverdata;
	SDL_VideoDisplay display;
	SDL_DisplayMode current_mode;
	SDL_DisplayData *data;
	int pitch = 0, bpp = 0;
	unsigned long pixels = 0;

	data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
	if (data == NULL) {
	return SDL_OutOfMemory();
	}

	SDL_zero(current_mode);
	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	data->native_display = vdkGetDisplay(videodata->vdk_private);

	vdkGetDisplayInfo(data->native_display, &current_mode.w, &current_mode.h, &pixels, &pitch, &bpp);
	#else
	data->native_display = videodata->fbGetDisplayByIndex(0);

	videodata->fbGetDisplayInfo(data->native_display, &current_mode.w, &current_mode.h, &pixels, &pitch, &bpp);
	#endif /* SDL_VIDEO_DRIVER_VIVANTE_VDK */

	switch (bpp)
	{
	default: /* Is another format used? */
	case 32:
	current_mode.format = SDL_PIXELFORMAT_ARGB8888;
	break;
	case 16:
	current_mode.format = SDL_PIXELFORMAT_RGB565;
	break;
	}
	/* FIXME: How do we query refresh rate? */
	current_mode.refresh_rate = 60;

	SDL_zero(display);
	display.name = VIVANTE_GetDisplayName(_this);
	display.desktop_mode = current_mode;
	display.current_mode = current_mode;
	display.driverdata = data;
	SDL_AddVideoDisplay(&display);
	return 0;
	}

	int
	VIVANTE_VideoInit(_THIS)
	{
	SDL_VideoData videodata = (SDL_VideoData )_this->driverdata;

	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	videodata->vdk_private = vdkInitialize();
	if (!videodata->vdk_private) {
	return SDL_SetError("vdkInitialize() failed");
	}
	#else
	videodata->egl_handle = SDL_LoadObject("libEGL.so.1");
	if (!videodata->egl_handle) {
	videodata->egl_handle = SDL_LoadObject("libEGL.so");
	if (!videodata->egl_handle) {
	return -1;
	}
	}
	#define LOAD_FUNC(NAME) \
	videodata->NAME = SDL_LoadFunction(videodata->egl_handle, #NAME); \
	if (!videodata->NAME) return -1;

	LOAD_FUNC(fbGetDisplay);
	LOAD_FUNC(fbGetDisplayByIndex);
	LOAD_FUNC(fbGetDisplayGeometry);
	LOAD_FUNC(fbGetDisplayInfo);
	LOAD_FUNC(fbDestroyDisplay);
	LOAD_FUNC(fbCreateWindow);
	LOAD_FUNC(fbGetWindowGeometry);
	LOAD_FUNC(fbGetWindowInfo);
	LOAD_FUNC(fbDestroyWindow);
	#endif

	if (VIVANTE_SetupPlatform(_this) < 0) {
	return -1;
	}

	if (VIVANTE_AddVideoDisplays(_this) < 0) {
	return -1;
	}

	VIVANTE_UpdateDisplayScale(_this);

	#ifdef SDL_INPUT_LINUXEV
	if (SDL_EVDEV_Init() < 0) {
	return -1;
	}
	#endif

	return 0;
	}

	void
	VIVANTE_VideoQuit(_THIS)
	{
	SDL_VideoData videodata = (SDL_VideoData )_this->driverdata;

	#ifdef SDL_INPUT_LINUXEV
	SDL_EVDEV_Quit();
	#endif

	VIVANTE_CleanupPlatform(_this);

	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	if (videodata->vdk_private) {
	vdkExit(videodata->vdk_private);
	videodata->vdk_private = NULL;
	}
	#else
	if (videodata->egl_handle) {
	SDL_UnloadObject(videodata->egl_handle);
	videodata->egl_handle = NULL;
	}
	#endif
	}

	void
	VIVANTE_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
	{
	/* Only one display mode available, the current one */
	SDL_AddDisplayMode(display, &display->current_mode);
	}

	int
	VIVANTE_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
	{
	return 0;
	}

	int
	VIVANTE_CreateWindow(_THIS, SDL_Window * window)
	{
	SDL_VideoData videodata = (SDL_VideoData )_this->driverdata;
	SDL_DisplayData *displaydata;
	SDL_WindowData *data;

	displaydata = SDL_GetDisplayDriverData(0);

	/* Allocate window internal data */
	data = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
	if (data == NULL) {
	return SDL_OutOfMemory();
	}

	/* Setup driver data for this window */
	window->driverdata = data;

	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	data->native_window = vdkCreateWindow(displaydata->native_display, window->x, window->y, window->w, window->h);
	#else
	data->native_window = videodata->fbCreateWindow(displaydata->native_display, window->x, window->y, window->w, window->h);
	#endif
	if (!data->native_window) {
	return SDL_SetError("VIVANTE: Can't create native window");
	}

	#if SDL_VIDEO_OPENGL_EGL
	if (window->flags & SDL_WINDOW_OPENGL) {
	data->egl_surface = SDL_EGL_CreateSurface(_this, data->native_window);
	if (data->egl_surface == EGL_NO_SURFACE) {
	return SDL_SetError("VIVANTE: Can't create EGL surface");
	}
	} else {
	data->egl_surface = EGL_NO_SURFACE;
	}
	#endif

	/* Window has been successfully created */
	return 0;
	}

	void
	VIVANTE_DestroyWindow(_THIS, SDL_Window * window)
	{
	SDL_VideoData videodata = (SDL_VideoData )_this->driverdata;
	SDL_WindowData *data;

	data = window->driverdata;
	if (data) {
	#if SDL_VIDEO_OPENGL_EGL
	if (data->egl_surface != EGL_NO_SURFACE) {
	SDL_EGL_DestroySurface(_this, data->egl_surface);
	}
	#endif

	if (data->native_window) {
	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	vdkDestroyWindow(data->native_window);
	#else
	videodata->fbDestroyWindow(data->native_window);
	#endif
	}

	SDL_free(data);
	}
	window->driverdata = NULL;
	}

	void
	VIVANTE_SetWindowTitle(_THIS, SDL_Window * window)
	{
	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	SDL_WindowData *data = window->driverdata;
	vdkSetWindowTitle(data->native_window, window->title);
	#endif
	}

	void
	VIVANTE_SetWindowPosition(_THIS, SDL_Window * window)
	{
	/* FIXME */
	}

	void
	VIVANTE_SetWindowSize(_THIS, SDL_Window * window)
	{
	/* FIXME */
	}

	void
	VIVANTE_ShowWindow(_THIS, SDL_Window * window)
	{
	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	SDL_WindowData *data = window->driverdata;
	vdkShowWindow(data->native_window);
	#endif
	SDL_SetMouseFocus(window);
	SDL_SetKeyboardFocus(window);
	}

	void
	VIVANTE_HideWindow(_THIS, SDL_Window * window)
	{
	#if SDL_VIDEO_DRIVER_VIVANTE_VDK
	SDL_WindowData *data = window->driverdata;
	vdkHideWindow(data->native_window);
	#endif
	}

	/*****************************************************************************/
	/* SDL Window Manager function */
	/*****************************************************************************/
	SDL_bool
	VIVANTE_GetWindowWMInfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info)
	{
	SDL_WindowData data = (SDL_WindowData ) window->driverdata;
	SDL_DisplayData *displaydata = SDL_GetDisplayDriverData(0);

	if (info->version.major == SDL_MAJOR_VERSION &&
	info->version.minor == SDL_MINOR_VERSION) {
	info->subsystem = SDL_SYSWM_VIVANTE;
	info->info.vivante.display = displaydata->native_display;
	info->info.vivante.window = data->native_window;
	return SDL_TRUE;
	} else {
	SDL_SetError("Application not compiled with SDL %d.%d",
	SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
	return SDL_FALSE;
	}
	}

	/*****************************************************************************/
	/* SDL event functions */
	/*****************************************************************************/
	void VIVANTE_PumpEvents(_THIS)
	{
	#ifdef SDL_INPUT_LINUXEV
	SDL_EVDEV_Poll();
	#endif
	}

	#endif /* SDL_VIDEO_DRIVER_VIVANTE */

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