diff src/video/windows/SDL_gapirender.c @ 5062:e8916fe9cfc8

Fixed bug #925 Changed "win32" to "windows"
author Sam Lantinga <slouken@libsdl.org>
date Thu, 20 Jan 2011 18:04:05 -0800
parents src/video/win32/SDL_gapirender.c@aa8888658021
children c2539ff054c8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/windows/SDL_gapirender.c	Thu Jan 20 18:04:05 2011 -0800
@@ -0,0 +1,1281 @@
+/***************************************************************************
+ *   Copyright (C) 2010 by Andrey Afletdinov <afletdinov@gmail.com>        *
+ *                                                                         *
+ *   WinCE RAW/GAPI video driver                                           *
+ *                                                                         *
+ *   Part of the SDL - (Simple DirectMedia Layer)                          *
+ *   http://www.libsdl.org                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "SDL_config.h"
+
+#if SDL_VIDEO_RENDER_GAPI
+
+#include "SDL_windowsvideo.h"
+#include "SDL_windowswindow.h"
+#include "../SDL_yuv_sw_c.h"
+
+// RawFrameBufferInfo
+typedef struct
+{
+   WORD wFormat;
+   WORD wBPP;
+   VOID *pFramePointer;
+   int  cxStride;
+   int  cyStride;
+   int  cxPixels;
+   int  cyPixels;
+} RawFrameBufferInfo;
+
+// GXDeviceInfo
+typedef struct
+{
+    long Version;
+    void* pvFrameBuffer;
+    unsigned long cbStride;
+    unsigned long cxWidth;
+    unsigned long cyHeight;
+    unsigned long cBPP;
+    unsigned long ffFormat;
+    char unknown[0x84 - 7 * 4];
+} GXDeviceInfo;
+
+// wince: GXDisplayProperties
+struct GXDisplayProperties
+{
+    DWORD cxWidth;
+    DWORD cyHeight;
+    long cbxPitch;
+    long cbyPitch;
+    long cBPP;
+    DWORD ffFormat;
+};
+
+// gx.dll
+typedef int   (*PFNGXOpenDisplay)(HWND hWnd, DWORD dwFlags);
+typedef int   (*PFNGXCloseDisplay)();
+typedef void* (*PFNGXBeginDraw)();
+typedef int   (*PFNGXEndDraw)();
+typedef struct GXDisplayProperties (*PFNGXGetDisplayProperties)();
+typedef int   (*PFNGXSuspend)();
+typedef int   (*PFNGXResume)();
+
+typedef struct
+{
+    // gx.dll
+    HMODULE                   hGapiLib;
+    PFNGXOpenDisplay          GXOpenDisplay;
+    PFNGXCloseDisplay         GXCloseDisplay;
+    PFNGXBeginDraw            GXBeginDraw;
+    PFNGXEndDraw              GXEndDraw;
+    PFNGXGetDisplayProperties GXGetDisplayProperties;
+    PFNGXSuspend              GXSuspend;
+    PFNGXResume               GXResume;
+} GapiInfo;
+
+//#ifndef DM_DISPLAYORIENTATION
+//#define DM_DISPLAYORIENTATION 0x00800000L
+//#endif
+
+#define FORMAT_565		1
+#define FORMAT_555		2
+#define FORMAT_OTHER		3
+
+#define GETRAWFRAMEBUFFER	0x00020001
+#define GETGXINFO		0x00020000
+
+#define kfPalette		0x10
+#define kfDirect		0x20
+#define kfDirect555		0x40
+#define kfDirect565		0x80
+
+#define GX_FULLSCREEN		0x01
+
+enum ScreenOrientation { ORIENTATION_UNKNOWN = -1, ORIENTATION_UP = DMDO_0, ORIENTATION_DOWN = DMDO_180, ORIENTATION_LEFT = DMDO_270, ORIENTATION_RIGHT = DMDO_90 };
+enum ScreenGeometry { GEOMETRY_UNKNOWN, GEOMETRY_PORTRAIT, GEOMETRY_LANDSCAPE, GEOMETRY_SQUARE };
+enum FrameBufferFlags { FB_SKIP_OFFSET = 0x0001, FB_RAW_MODE = 0x0002, FB_SUSPENDED = 0x0004 };
+
+// private framebuffer info
+typedef struct
+{
+    int width;
+    int height;
+    int xpitch;
+    int ypitch;
+    int offset;
+} FrameBufferInfo;
+
+// private display data
+typedef struct
+{
+    unsigned char* pixels;	// video memory
+    int format;			// video format
+    FrameBufferInfo fb;		// framebuffer geometry
+    GapiInfo* gapi;		// GAPI module
+    int userOrientation;
+    int systemOrientation;
+    int hardwareGeometry;
+    int flags;			// fb flags
+    float scale;		// scale pointer position
+    int debug;
+
+} WINCE_RenderData;
+
+typedef struct
+{
+    SDL_SW_YUVTexture *yuv;
+    Uint32 format;
+    void *pixels;
+    int pitch;
+
+} WINCE_TextureData;
+
+
+// system func
+SDL_Renderer*	WINCE_CreateRenderer(SDL_Window* window, Uint32 flags);
+void		WINCE_DestroyRenderer(SDL_Renderer* renderer);
+
+int		WINCE_CreateTexture(SDL_Renderer* renderer, SDL_Texture* texture);
+void		WINCE_DestroyTexture(SDL_Renderer* renderer, SDL_Texture* texture);
+int		WINCE_QueryTexturePixels(SDL_Renderer* renderer, SDL_Texture* texture, void** pixels, int* pitch);
+int		WINCE_UpdateTexture(SDL_Renderer* renderer, SDL_Texture* texture, const SDL_Rect* rect, const void* pixels, int pitch);
+int		WINCE_LockTexture(SDL_Renderer* renderer, SDL_Texture* texture, const SDL_Rect* rect, int dirty, void** pixels, int* pitch);
+void		WINCE_UnlockTexture(SDL_Renderer* renderer, SDL_Texture* texture);
+
+int		WINCE_Available(void);
+void		WINCE_SetupOrientation(WINCE_RenderData* data, int width, int height);
+
+int		WINCE_RenderCopy(SDL_Renderer* renderer, SDL_Texture* texture, const SDL_Rect* srect, const SDL_Rect* drect);
+void		WINCE_ShowWindow(_THIS, SDL_Window* window, int visible);
+
+void		WINCE_RenderPresent(SDL_Renderer* renderer);
+int		WINCE_RenderDrawPoints(SDL_Renderer* renderer, const SDL_Point* points, int count);
+int		WINCE_RenderDrawLines(SDL_Renderer* renderer, const SDL_Point* points, int count);
+int		WINCE_RenderDrawRects(SDL_Renderer* renderer, const SDL_Rect ** rects, int count);
+int		WINCE_RenderFillRects(SDL_Renderer* renderer, const SDL_Rect** rects, int count);
+
+void		WINCE_PointerCoordinateTransform(SDL_Window* window, POINT* pt);
+void		WINCE_DumpVideoInfo(WINCE_RenderData* data);
+void		WINCE_PortraitTransform(WINCE_RenderData* data, int width, int height);
+void		WINCE_LandscapeTransform(WINCE_RenderData* data, int width, int height);
+void		WINCE_SquareTransform(WINCE_RenderData* data, int width, int height);
+int		WINCE_FixedGeometry(FrameBufferInfo* fb, int bpp, int debug);
+int		WINCE_GetDMOrientation(void);
+int		WINCE_SetDMOrientation(int orientation);
+void		WINCE_UpdateYUVTextureData(SDL_Texture* texture);
+
+// gapi engine specific
+int		GAPI_Init(WINCE_RenderData* data, HWND hwnd);
+void		GAPI_Quit(WINCE_RenderData* data);
+
+// raw engine specific
+int		RAW_Init(WINCE_RenderData* data);
+void		RAW_Quit(WINCE_RenderData* data);
+
+// tools
+void		FrameBufferRotate(FrameBufferInfo* src, int orientation);
+int		GetFrameBufferOrientation(const FrameBufferInfo* src);
+void		PointerRotate(POINT* pt, const FrameBufferInfo* fb, int orientation);
+void		FrameBufferInitialize(FrameBufferInfo* fb);
+void		FrameBufferDumpInfo(const FrameBufferInfo* fb, const char*);
+const		char* GetOrientationName(int orientation);
+void		UpdateLine16to16(const FrameBufferInfo* fb, const Uint16* src, Uint16* dst, Uint16 width);
+
+// stdlib
+inline int	__abs(int x){ return x < 0 ? -x : x; };
+inline void	__swap(int* a, int* b){ int t = *a; *a = *b; *b = t; };
+
+#define GAPI_RENDER_NAME	"gapi"
+#define RAW_RENDER_NAME		"raw"
+//
+SDL_RenderDriver GAPI_RenderDriver = {
+    WINCE_CreateRenderer,
+    {
+	GAPI_RENDER_NAME,
+	(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD),
+	(SDL_TEXTUREMODULATE_NONE),
+	(SDL_BLENDMODE_NONE),
+	(SDL_SCALEMODE_NONE),
+	7,
+	{
+	    SDL_PIXELFORMAT_RGB555,
+	    SDL_PIXELFORMAT_RGB565,
+	    SDL_PIXELFORMAT_YV12,
+	    SDL_PIXELFORMAT_IYUV,
+	    SDL_PIXELFORMAT_YUY2,
+	    SDL_PIXELFORMAT_UYVY,
+	    SDL_PIXELFORMAT_YVYU
+	},
+	0,
+	0
+    }
+};
+
+SDL_RenderDriver RAW_RenderDriver = {
+    WINCE_CreateRenderer,
+    {
+	RAW_RENDER_NAME,
+	(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTDISCARD),
+	(SDL_TEXTUREMODULATE_NONE),
+	(SDL_BLENDMODE_NONE),
+	(SDL_SCALEMODE_NONE),
+	7,
+	{
+	    SDL_PIXELFORMAT_RGB555,
+	    SDL_PIXELFORMAT_RGB565,
+	    SDL_PIXELFORMAT_YV12,
+	    SDL_PIXELFORMAT_IYUV,
+	    SDL_PIXELFORMAT_YUY2,
+	    SDL_PIXELFORMAT_UYVY,
+	    SDL_PIXELFORMAT_YVYU
+	},
+	0,
+	0
+    }
+};
+
+int WINCE_Available(void)
+{
+    const char* preferably = SDL_getenv("SDL_VIDEO_RENDERER");
+
+    // raw check
+    RawFrameBufferInfo rfbi = { 0 };
+    HDC hdc = GetDC(NULL);
+    int render_raw = ExtEscape(hdc, GETRAWFRAMEBUFFER, 0, NULL, sizeof(RawFrameBufferInfo), (char *) &rfbi);
+    ReleaseDC(NULL, hdc);
+
+    if(render_raw != 0 && rfbi.cxPixels != 0 && rfbi.cyPixels != 0 &&
+        rfbi.pFramePointer != 0 && rfbi.cxStride != 0 && rfbi.cyStride != 0)
+	    render_raw = 1;
+
+    if(preferably && 0 == SDL_strcasecmp(preferably, RAW_RENDER_NAME)) return 0 != render_raw;
+
+    // gapi check
+    HMODULE render_gapi = LoadLibrary(TEXT("\\Windows\\gx.dll"));
+    if(0 == render_gapi)
+        render_gapi = LoadLibrary(TEXT("gx.dll"));
+    FreeLibrary(render_gapi);
+
+    if(preferably && 0 == SDL_strcasecmp(preferably, GAPI_RENDER_NAME)) return 0 != render_gapi;
+
+    return 0 != render_raw || 0 != render_gapi;
+}
+
+void WINCE_AddRenderDriver(_THIS)
+{
+    HDC hdc;
+    HMODULE render_gapi;
+    int render_raw, ii;
+    const char* preferably = SDL_getenv("SDL_VIDEO_RENDERER");
+
+   // raw check
+    RawFrameBufferInfo rfbi = { 0 };
+    hdc = GetDC(NULL);
+    render_raw = ExtEscape(hdc, GETRAWFRAMEBUFFER, 0, NULL, sizeof(RawFrameBufferInfo), (char *) &rfbi);
+    ReleaseDC(NULL, hdc);
+
+    if(render_raw != 0 && rfbi.cxPixels != 0 && rfbi.cyPixels != 0 &&
+    	rfbi.pFramePointer != 0 && rfbi.cxStride != 0 && rfbi.cyStride != 0)
+	    render_raw = 1;
+
+    // gapi check
+    render_gapi = LoadLibrary(TEXT("\\Windows\\gx.dll"));
+    if(0 == render_gapi)
+        render_gapi = LoadLibrary(TEXT("gx.dll"));
+
+    if(render_gapi)
+	FreeLibrary(render_gapi);
+
+    for(ii = 0; ii < _this->num_displays; ++ii)
+    {
+	if(preferably)
+	{
+	    if(0 == SDL_strcasecmp(preferably, RAW_RENDER_NAME) && render_raw)
+    		SDL_AddRenderDriver(&_this->displays[ii], &RAW_RenderDriver);
+	    else
+	    if(0 == SDL_strcasecmp(preferably, GAPI_RENDER_NAME) && render_gapi)
+    		SDL_AddRenderDriver(&_this->displays[ii], &GAPI_RenderDriver);
+	}
+	else
+	{
+	    if(render_raw)
+    		SDL_AddRenderDriver(&_this->displays[ii], &RAW_RenderDriver);
+	    if(render_gapi)
+    		SDL_AddRenderDriver(&_this->displays[ii], &GAPI_RenderDriver);
+	}
+    }
+}
+
+SDL_Renderer* WINCE_CreateRenderer(SDL_Window* window, Uint32 flags)
+{
+    SDL_VideoDisplay* display = window->display;
+    SDL_DisplayMode* displayMode = &display->current_mode;
+    SDL_WindowData* windowdata = (SDL_WindowData *) window->driverdata;
+    SDL_Renderer* renderer;
+    WINCE_RenderData* data;
+    int bpp;
+    Uint32 Rmask, Gmask, Bmask, Amask;
+
+    if(!(window->flags & SDL_WINDOW_FULLSCREEN))
+	window->flags |= SDL_WINDOW_FULLSCREEN;
+
+    if(!SDL_PixelFormatEnumToMasks(displayMode->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask))
+    {
+        SDL_SetError("Unknown display format");
+        return NULL;
+    }
+
+    switch(window->fullscreen_mode.format)
+    {
+	case SDL_PIXELFORMAT_RGB555:
+	case SDL_PIXELFORMAT_RGB565:
+	    break;
+
+	default:
+    	    SDL_SetError("Support only 16 or 15 bpp");
+	    return NULL;
+    }
+
+    renderer = (SDL_Renderer*) SDL_calloc(1, sizeof(SDL_Renderer));
+    if(!renderer)
+    {
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    data = (WINCE_RenderData*) SDL_calloc(1, sizeof(WINCE_RenderData));
+    if(!data)
+    {
+        WINCE_DestroyRenderer(renderer);
+        SDL_OutOfMemory();
+        return NULL;
+    }
+
+    // initialize internal engine
+    if(!RAW_Init(data) && !GAPI_Init(data, windowdata->hwnd))
+    {
+        WINCE_DestroyRenderer(renderer);
+        return NULL;
+    }
+
+
+    // set debug
+    data->debug	= SDL_getenv("DEBUG_VIDEO_GAPI") || SDL_getenv("GAPI_RENDERER_DEBUG") ? 1 : 0;
+#if defined(DEBUG_VIDEO_GAPI) || defined(GAPI_RENDERER_DEBUG)
+    data->debug	= 1;
+#endif
+
+    windowdata->videodata->render = data->gapi ? RENDER_GAPI : RENDER_RAW;
+    windowdata->videodata->CoordTransform = WINCE_PointerCoordinateTransform;
+
+    window->display->device->MaximizeWindow = NULL;
+    window->display->device->MinimizeWindow = NULL;
+
+    WINCE_SetupOrientation(data, window->w, window->h);
+
+    renderer->CreateTexture = WINCE_CreateTexture;
+    renderer->DestroyTexture = WINCE_DestroyTexture;
+    renderer->QueryTexturePixels = WINCE_QueryTexturePixels;
+    renderer->UpdateTexture = WINCE_UpdateTexture;
+    renderer->LockTexture = WINCE_LockTexture;
+    renderer->UnlockTexture = WINCE_UnlockTexture;
+
+    renderer->RenderCopy = WINCE_RenderCopy;
+    renderer->DestroyRenderer = WINCE_DestroyRenderer;
+
+    renderer->RenderPresent = WINCE_RenderPresent;
+    renderer->RenderDrawPoints = WINCE_RenderDrawPoints;
+    renderer->RenderDrawLines = WINCE_RenderDrawLines;
+    renderer->RenderDrawRects = WINCE_RenderDrawRects;
+    renderer->RenderFillRects = WINCE_RenderFillRects;
+
+    renderer->info = data->gapi ? GAPI_RenderDriver.info : RAW_RenderDriver.info;
+
+    renderer->window = window;
+    renderer->driverdata = data;
+
+    return renderer;
+}
+
+void WINCE_DestroyRenderer(SDL_Renderer* renderer)
+{
+    WINCE_RenderData *renderdata = (WINCE_RenderData*) renderer->driverdata;
+
+    if(renderdata)
+    {
+	if(renderdata->gapi)
+    	    GAPI_Quit(renderdata);
+	else
+	    RAW_Quit(renderdata);
+
+        SDL_free(renderdata);
+    }
+
+    SDL_free(renderer);
+}
+
+int WINCE_CreateTexture(SDL_Renderer* renderer, SDL_Texture* texture)
+{
+    WINCE_TextureData* texturedata = (WINCE_TextureData*) SDL_calloc(1, sizeof(WINCE_TextureData));
+    if(NULL == texturedata)
+    {
+        SDL_OutOfMemory();
+        return -1;
+    }
+
+    texturedata->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
+    texturedata->pixels = SDL_malloc(texture->h * texturedata->pitch);
+    if(NULL == texturedata->pixels)
+    {
+        SDL_OutOfMemory();
+        return -1;
+    }
+
+    if(SDL_ISPIXELFORMAT_FOURCC(texture->format))
+    {
+	texturedata->yuv = SDL_SW_CreateYUVTexture(texture->format, texture->w, texture->h);
+        if(NULL == texturedata->yuv)
+	{
+    	    SDL_OutOfMemory();
+            return -1;
+        }
+	SDL_Window* window = renderer->window;
+	SDL_VideoDisplay* display = window->display;
+	texturedata->format = display->current_mode.format;
+    }
+    else
+    {
+	texturedata->yuv = NULL;
+	texturedata->format = texture->format;
+    }
+
+    texture->driverdata = texturedata;
+
+    return 0;
+}
+
+void WINCE_DestroyTexture(SDL_Renderer* renderer, SDL_Texture* texture)
+{
+    WINCE_TextureData *texturedata = (WINCE_TextureData*) texture->driverdata;
+
+    if(texturedata)
+    {
+	if(texturedata->yuv) SDL_SW_DestroyYUVTexture(texturedata->yuv);
+	if(texturedata->pixels) SDL_free(texturedata->pixels);
+	SDL_free(texturedata);
+	texture->driverdata = NULL;
+    }
+}
+
+int WINCE_QueryTexturePixels(SDL_Renderer* renderer, SDL_Texture* texture, void** pixels, int* pitch)
+{
+    WINCE_TextureData* texturedata = (WINCE_TextureData*) texture->driverdata;
+
+    if(texturedata->yuv)
+        return SDL_SW_QueryYUVTexturePixels(texturedata->yuv, pixels, pitch);
+
+    *pixels = texturedata->pixels;
+    *pitch = texturedata->pitch;
+
+    return 0;
+}
+
+int WINCE_UpdateTexture(SDL_Renderer* renderer, SDL_Texture* texture, const SDL_Rect* rect, const void* pixels, int pitch)
+{
+    WINCE_TextureData* texturedata = (WINCE_TextureData*) texture->driverdata;
+
+    if(texturedata->yuv)
+    {
+        if(SDL_SW_UpdateYUVTexture(texturedata->yuv, rect, pixels, pitch) < 0)
+            return -1;
+        WINCE_UpdateYUVTextureData(texture);
+        return 0;
+    }
+
+    if(0 < rect->w && 0 < rect->h)
+    {
+	const unsigned char *src = ((const unsigned char*) pixels);
+	unsigned char *dst = ((unsigned char*) texturedata->pixels) +
+				rect->y * texturedata->pitch +
+				rect->x * SDL_BYTESPERPIXEL(texture->format);
+        int length = rect->w * SDL_BYTESPERPIXEL(texture->format);
+	int height = rect->h;
+
+	while(height--)
+	{
+	    SDL_memcpy(dst, src, length);
+	    dst += texturedata->pitch;
+	    src += pitch;
+	}
+    }
+
+    return 0;
+}
+
+int WINCE_LockTexture(SDL_Renderer* renderer, SDL_Texture* texture, const SDL_Rect* rect, int dirty, void** pixels, int* pitch)
+{
+    WINCE_TextureData *texturedata = (WINCE_TextureData*) texture->driverdata;
+
+    if(texturedata->yuv)
+        return SDL_SW_LockYUVTexture(texturedata->yuv, rect, dirty, pixels, pitch);
+
+    *pixels = (void *) ((unsigned char*) texturedata->pixels +
+		    rect->y * texturedata->pitch +
+		    rect->x * SDL_BYTESPERPIXEL(texture->format));
+    *pitch = texturedata->pitch;
+}
+
+void WINCE_UnlockTexture(SDL_Renderer* renderer, SDL_Texture* texture)
+{
+    WINCE_TextureData *texturedata = (WINCE_TextureData*) texture->driverdata;
+
+    if(texturedata->yuv)
+    {
+        SDL_SW_UnlockYUVTexture(texturedata->yuv);
+	WINCE_UpdateYUVTextureData(texture);
+    }
+}
+
+int WINCE_RenderCopy(SDL_Renderer* renderer, SDL_Texture* texture, const SDL_Rect* srect, const SDL_Rect* drect)
+{
+    WINCE_RenderData* dstdata = (WINCE_RenderData*) renderer->driverdata;
+    WINCE_TextureData* srcdata = (WINCE_TextureData*) texture->driverdata;
+
+    if((dstdata->flags & FB_SUSPENDED) ||
+       0 >= srect->w || 0 >= srect->h) return;
+
+    // lock gapi
+    if(dstdata->gapi) dstdata->gapi->GXBeginDraw();
+
+    const unsigned char *src = ((const unsigned char*) srcdata->pixels);
+    unsigned char *dst = dstdata->pixels + (dstdata->flags & FB_SKIP_OFFSET ? 0 : dstdata->fb.offset) +
+				drect->y * dstdata->fb.ypitch +
+				drect->x * dstdata->fb.xpitch;
+    if(srcdata->yuv)
+    {
+	return SDL_SW_CopyYUVToRGB(srcdata->yuv,
+                                   srect, srcdata->format,
+                                   drect->w, drect->h, dst,
+                                   dstdata->fb.ypitch);
+    }
+    else
+    {
+	int height = drect->h;
+	int length = drect->w * SDL_BYTESPERPIXEL(texture->format); // in bytes
+
+	while(height--)
+	{
+	    switch(SDL_BYTESPERPIXEL(texture->format))
+	    {
+		case 2: UpdateLine16to16(&dstdata->fb, (Uint16*) src, (Uint16*) dst, length >> 1); break;
+
+		default: break;
+	    }
+
+	    dst += dstdata->fb.ypitch;
+	    src += srcdata->pitch;
+	}
+    }
+
+    // unlock gapi
+    if(dstdata->gapi) dstdata->gapi->GXEndDraw();
+
+    return 0;
+}
+
+void WINCE_RenderPresent(SDL_Renderer* renderer)
+{
+}
+
+int WINCE_RenderDrawPoints(SDL_Renderer* renderer, const SDL_Point* points, int count)
+{
+    SDL_Unsupported();
+    return -1;
+}
+
+int WINCE_RenderDrawLines(SDL_Renderer* renderer, const SDL_Point* points, int count)
+{
+    SDL_Unsupported();
+    return -1;
+}
+
+int WINCE_RenderDrawRects(SDL_Renderer* renderer, const SDL_Rect ** rects, int count)
+{
+    SDL_Unsupported();
+    return -1;
+}
+
+int WINCE_RenderFillRects(SDL_Renderer* renderer, const SDL_Rect** rects, int count)
+{
+    SDL_Unsupported();
+    return -1;
+}
+
+
+
+void WINCE_SetupOrientation(WINCE_RenderData* data, int width, int height)
+{
+    const float maxW1 = GetSystemMetrics(SM_CXSCREEN) > GetSystemMetrics(SM_CYSCREEN) ? GetSystemMetrics(SM_CXSCREEN) : GetSystemMetrics(SM_CYSCREEN);
+    const float maxW2 = data->fb.width > data->fb.height ? data->fb.width : data->fb.height;
+
+    // scale define
+    data->scale = maxW2 / maxW1;
+
+    // init fb values
+    FrameBufferInitialize(&data->fb);
+
+    // orientation values
+    data->userOrientation = ORIENTATION_UP;
+    data->systemOrientation = WINCE_GetDMOrientation();
+    data->hardwareGeometry = data->fb.width == data->fb.height ? GEOMETRY_SQUARE :
+				(data->fb.width < data->fb.height ? GEOMETRY_PORTRAIT : GEOMETRY_LANDSCAPE);
+
+    if(data->debug)
+	WINCE_DumpVideoInfo(data);
+
+    if(data->systemOrientation == ORIENTATION_UNKNOWN)
+	data->systemOrientation == ORIENTATION_UP;
+
+    data->userOrientation = ORIENTATION_UP;
+
+    switch(data->hardwareGeometry)
+    {
+	case GEOMETRY_PORTRAIT:  WINCE_PortraitTransform(data, width, height); break;
+	case GEOMETRY_LANDSCAPE: WINCE_LandscapeTransform(data, width, height); break;
+	case GEOMETRY_SQUARE:    WINCE_SquareTransform(data, width, height); break;
+	default: break;
+    }
+
+    // debug
+    if(data->debug)
+    {
+	printf("\n");
+	printf("user video width:          %d\n", width);
+	printf("user video height:         %d\n", height);
+	FrameBufferDumpInfo(&data->fb, "user");
+    }
+}
+
+void WINCE_DumpVideoInfo(WINCE_RenderData* data)
+{
+    // get oem info
+    WCHAR oemInfo[48];
+    SDL_memset(oemInfo, 0, sizeof(oemInfo));
+    SystemParametersInfo(SPI_GETOEMINFO, sizeof(oemInfo) - sizeof(WCHAR), oemInfo, 0);
+
+    printf("hardware oem: ");
+    wprintf(oemInfo);
+    printf("\n");
+
+    printf("video driver mode:             %s\n", (data->flags & FB_RAW_MODE ? RAW_RENDER_NAME : GAPI_RENDER_NAME));
+    printf("GetSystemMetrics(SM_CXSCREEN): %d\n", GetSystemMetrics(SM_CXSCREEN));
+    printf("GetSystemMetrics(SM_CYSCREEN): %d\n", GetSystemMetrics(SM_CYSCREEN));
+    printf("scale coord:                   %f\n", data->scale);
+
+    FrameBufferDumpInfo(&data->fb, "hardware");
+
+    printf("display format:                %p\n", data->format);
+    printf("display bits per pixel:        %d\n", SDL_BITSPERPIXEL(data->format));
+    printf("display bytes per pixel:       %d\n", SDL_BYTESPERPIXEL(data->format));
+    printf("display memory:                %p\n", data->pixels);
+    printf("system orientation:            %d, %s\n", data->systemOrientation, GetOrientationName(data->systemOrientation));
+    printf("hardware geometry:             %d\n", data->hardwareGeometry);
+}
+
+void WINCE_ShowWindow(_THIS, SDL_Window* window, int visible)
+{
+    SDL_WindowData* windowdata = (SDL_WindowData*) window->driverdata;
+    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
+    SDL_Renderer* renderer = (SDL_Renderer*) window->renderer;
+
+    if(visible)
+    {
+	if(window->flags & SDL_WINDOW_FULLSCREEN)
+	{
+	    if(videodata->SHFullScreen)
+		videodata->SHFullScreen(windowdata->hwnd, SHFS_HIDETASKBAR | SHFS_HIDESTARTICON | SHFS_HIDESIPBUTTON);
+	    ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_HIDE);
+	}
+
+	ShowWindow(windowdata->hwnd, SW_SHOW);
+        SetForegroundWindow(windowdata->hwnd);
+
+	if(renderer &&
+	    (videodata->render == RENDER_GAPI || videodata->render == RENDER_RAW))
+	{
+	    WINCE_RenderData* renderdata = (WINCE_RenderData*) renderer->driverdata;
+	    renderdata->flags &= ~FB_SUSPENDED;
+	    if(renderdata->gapi) renderdata->gapi->GXResume();
+	}
+    }
+    else
+    {
+	if(renderer &&
+	    (videodata->render == RENDER_GAPI || videodata->render == RENDER_RAW))
+	{
+	    WINCE_RenderData* renderdata = (WINCE_RenderData*) renderer->driverdata;
+	    if(renderdata->gapi) renderdata->gapi->GXSuspend();
+	    renderdata->flags |= FB_SUSPENDED;
+	}
+
+	ShowWindow(windowdata->hwnd, SW_HIDE);
+
+	if(window->flags & SDL_WINDOW_FULLSCREEN)
+	{
+	    if(videodata->SHFullScreen)
+		videodata->SHFullScreen(windowdata->hwnd, SHFS_SHOWTASKBAR | SHFS_SHOWSTARTICON | SHFS_SHOWSIPBUTTON);
+	    ShowWindow(FindWindow(TEXT("HHTaskBar"), NULL), SW_SHOW);
+	}
+    }
+}
+
+
+void WINCE_PointerCoordinateTransform(SDL_Window* window, POINT* pt)
+{
+    WINCE_RenderData* data = (WINCE_RenderData*) window->renderer->driverdata;
+
+    pt->x *= data->scale;
+    pt->y *= data->scale;
+
+    PointerRotate(pt, &data->fb, data->userOrientation);
+}
+
+void WINCE_PortraitTransform(WINCE_RenderData* data, int width, int height)
+{
+    if(data->systemOrientation != ORIENTATION_UP)
+	FrameBufferRotate(&data->fb, data->systemOrientation);
+
+    if(data->fb.width != width || data->fb.height != height)
+    switch(data->systemOrientation)
+    {
+	case ORIENTATION_UP:
+	case ORIENTATION_LEFT: data->userOrientation = ORIENTATION_RIGHT; break;
+	case ORIENTATION_RIGHT:
+	case ORIENTATION_DOWN: data->userOrientation = ORIENTATION_LEFT; break;
+	default: break;
+    }
+
+    if(data->userOrientation != ORIENTATION_UP)
+	FrameBufferRotate(&data->fb, data->userOrientation);
+}
+
+void WINCE_LandscapeTransform(WINCE_RenderData* data, int width, int height)
+{
+    switch(data->systemOrientation)
+    {
+	case ORIENTATION_UP:  FrameBufferRotate(&data->fb, ORIENTATION_LEFT); break;
+	case ORIENTATION_LEFT:FrameBufferRotate(&data->fb, ORIENTATION_DOWN); break;
+	case ORIENTATION_DOWN:FrameBufferRotate(&data->fb, ORIENTATION_RIGHT); break;
+	default: break;
+    }
+
+    if(data->fb.width != width || data->fb.height != height)
+    switch(data->systemOrientation)
+    {
+	case ORIENTATION_UP:
+	case ORIENTATION_LEFT: data->userOrientation = ORIENTATION_RIGHT; break;
+	case ORIENTATION_RIGHT:
+	case ORIENTATION_DOWN: data->userOrientation = ORIENTATION_LEFT; break;
+	default: break;
+    }
+
+    if(data->userOrientation != ORIENTATION_UP)
+	FrameBufferRotate(&data->fb, data->userOrientation);
+}
+
+void WINCE_SquareTransform(WINCE_RenderData* data, int width, int height)
+{
+    WINCE_PortraitTransform(data, width, height);
+}
+
+int WINCE_FixedGeometry(FrameBufferInfo* fb, int bpp, int debug)
+{
+    // check square
+    if(GetSystemMetrics(SM_CXSCREEN) == GetSystemMetrics(SM_CYSCREEN) &&
+	fb->width != fb->height)
+    {
+	if(fb->width < fb->height)
+	    fb->height = fb->width;
+	else
+	if(fb->height < fb->width)
+	    fb->width = fb->height;
+    }
+
+    // check width
+    if(__abs(fb->xpitch) == bpp &&
+	fb->width  != __abs(fb->ypitch) / bpp)
+    {
+	if(fb->height == __abs(fb->ypitch) / bpp)
+    	{
+	    __swap(&fb->width, &fb->height);
+
+	    if(debug)
+		printf("WINCE_FixedGeometry: width: %d, height: %d\n", fb->width, fb->height);
+	}
+	else
+	    return -1;
+    }
+    else
+    // check height
+    if(__abs(fb->ypitch) == bpp &&
+	fb->height != __abs(fb->xpitch) / bpp)
+    {
+	if(fb->width  == __abs(fb->xpitch) / bpp)
+    	{
+	    __swap(&fb->width, &fb->height);
+
+	    if(debug)
+		printf("WINCE_FixedGeometry: width: %d, height: %d\n", fb->width, fb->height);
+	}
+	else
+	    return -1;
+    }
+
+    return 0;
+}
+
+void WINCE_UpdateYUVTextureData(SDL_Texture* texture)
+{
+    WINCE_TextureData* texturedata = (WINCE_TextureData*) texture->driverdata;
+    SDL_Rect rect;
+
+    rect.x = 0;
+    rect.y = 0;
+    rect.w = texture->w;
+    rect.h = texture->h;
+    SDL_SW_CopyYUVToRGB(texturedata->yuv, &rect, texturedata->format, texture->w, texture->h, texturedata->pixels, texturedata->pitch);
+}
+
+int GAPI_Init(WINCE_RenderData* data, HWND hwnd)
+{
+    if(NULL == data->gapi)
+    {
+	const char* preferably = SDL_getenv("SDL_VIDEO_RENDERER");
+	if(preferably && 0 != SDL_strcasecmp(preferably, GAPI_RENDER_NAME)) return 0;
+
+        data->gapi = (GapiInfo *) SDL_calloc(1, sizeof(GapiInfo));
+        if(NULL == data->gapi)
+        {
+            SDL_OutOfMemory();
+            return 0;
+        }
+
+	data->gapi->hGapiLib = LoadLibrary(TEXT("\\Windows\\gx.dll"));
+	if(0 == data->gapi->hGapiLib)
+	{
+	    data->gapi->hGapiLib = LoadLibrary(TEXT("gx.dll"));
+	    if(0 == data->gapi->hGapiLib) return 0;
+	}
+
+	// load gapi library
+#define LINK(type,name,import) name=(PFN##type)GetProcAddress(data->gapi->hGapiLib,TEXT(import))
+	LINK(GXOpenDisplay,         data->gapi->GXOpenDisplay,         "?GXOpenDisplay@@YAHPAUHWND__@@K@Z");
+	LINK(GXCloseDisplay,        data->gapi->GXCloseDisplay,        "?GXCloseDisplay@@YAHXZ");
+	LINK(GXBeginDraw,           data->gapi->GXBeginDraw,           "?GXBeginDraw@@YAPAXXZ");
+	LINK(GXEndDraw,             data->gapi->GXEndDraw,             "?GXEndDraw@@YAHXZ");
+	LINK(GXGetDisplayProperties,data->gapi->GXGetDisplayProperties,"?GXGetDisplayProperties@@YA?AUGXDisplayProperties@@XZ");
+	LINK(GXSuspend,             data->gapi->GXSuspend,             "?GXSuspend@@YAHXZ");
+	LINK(GXResume,              data->gapi->GXResume,              "?GXResume@@YAHXZ");
+#undef LINK
+
+	int enable = data->gapi->GXGetDisplayProperties && data->gapi->GXCloseDisplay && data->gapi->GXOpenDisplay &&
+	    data->gapi->GXBeginDraw && data->gapi->GXEndDraw && data->gapi->GXSuspend && data->gapi->GXResume;
+
+	if(!enable)
+	{
+	    SDL_SetError("GAPI_Init: error gx.dll: internal error");
+	    GAPI_Quit(data);
+	    return 0;
+	}
+
+	if(0 == data->gapi->GXOpenDisplay(hwnd, GX_FULLSCREEN))
+	{
+	    SDL_SetError("GAPI_Init: couldn't initialize GAPI");
+	    GAPI_Quit(data);
+	    return 0;
+	}
+
+	struct GXDisplayProperties gxProperties = data->gapi->GXGetDisplayProperties();
+
+	// fill FrameBufferInfo
+	data->fb.xpitch = gxProperties.cbxPitch;
+	data->fb.ypitch = gxProperties.cbyPitch;
+	data->fb.width  = gxProperties.cxWidth;
+	data->fb.height = gxProperties.cyHeight;
+	data->fb.offset = 0;
+
+        if((gxProperties.ffFormat & kfDirect565) || 16 == gxProperties.cBPP)
+	    data->format = SDL_PIXELFORMAT_RGB565;
+	else
+	if((gxProperties.ffFormat & kfDirect555) || 15 == gxProperties.cBPP)
+	    data->format = SDL_PIXELFORMAT_RGB555;
+	else
+	    data->format = 0;
+
+	// get pixels
+	GXDeviceInfo gxInfo = { 0 };
+	HDC hdc = GetDC(NULL);
+
+	gxInfo.Version = 100;
+	int result = ExtEscape(hdc, GETGXINFO, 0, NULL, sizeof(gxInfo), (char *) &gxInfo);
+	ReleaseDC(NULL, hdc);
+
+	if(result > 0)
+	{
+	    // more debug
+	    if(data->debug)
+	    {
+		printf("GXDeviceInfo.pvFrameBuffer:    %p\n", gxInfo.pvFrameBuffer);
+    		printf("GXDeviceInfo.cxWidth:          %d\n", gxInfo.cxWidth);
+    		printf("GXDeviceInfo.cyHeight:         %d\n", gxInfo.cyHeight);
+    		printf("GXDeviceInfo.cbStride:         %d\n", gxInfo.cbStride);
+    		printf("GXDeviceInfo.cBPP:             %d\n", gxInfo.cBPP);
+    		printf("GXDeviceInfo.ffFormat:        0x%x\n", gxInfo.ffFormat);
+
+    		printf("GXDeviceInfo.unk:\n");
+		int ii; for(ii = 0; ii <  sizeof(gxInfo.unknown); ++ii)
+		printf("0x%02hhX,", gxInfo.unknown[ii]);
+		printf("\n");
+	    }
+
+    	    if(gxInfo.ffFormat && gxInfo.ffFormat != gxProperties.ffFormat)
+	    {
+		if((gxInfo.ffFormat & kfDirect565) || 16 == gxInfo.cBPP)
+		    data->format = SDL_PIXELFORMAT_RGB565;
+		else
+		if((gxInfo.ffFormat & kfDirect555) || 15 == gxInfo.cBPP)
+		    data->format = SDL_PIXELFORMAT_RGB555;
+	    }
+
+    	    data->pixels = gxInfo.pvFrameBuffer;
+        }
+	else
+	{
+	    data->flags |= FB_SKIP_OFFSET;
+	    data->pixels = data->gapi->GXBeginDraw();
+	    data->gapi->GXEndDraw();
+
+	    if(data->debug)
+	    {
+		printf("GAPI_Init\n");
+		printf("use GXBeginDraw:               %p\n", data->pixels);
+		printf("use skip offset\n");
+	    }
+	}
+
+	if(0 == data->format ||
+	    0 > WINCE_FixedGeometry(&data->fb, SDL_BYTESPERPIXEL(data->format), data->debug))
+	{
+	    SDL_SetError("GAPI_Init: unknown hardware");
+	    GAPI_Quit(data);
+	    return 0;
+	}
+    }
+
+    return data->gapi && data->pixels ? 1 : 0;
+}
+
+void GAPI_Quit(WINCE_RenderData* data)
+{
+    if(data->gapi)
+    {
+	if(data->gapi->GXCloseDisplay) data->gapi->GXCloseDisplay(); 
+	if(data->gapi->hGapiLib)  FreeLibrary(data->gapi->hGapiLib);
+
+	SDL_free(data->gapi);
+        data->gapi = NULL;
+    }
+}
+
+int RAW_Init(WINCE_RenderData* data)
+{
+    const char* preferably = SDL_getenv("SDL_VIDEO_RENDERER");
+    if(preferably && 0 != SDL_strcasecmp(preferably, RAW_RENDER_NAME)) return 0;
+
+    RawFrameBufferInfo rfbi = { 0 };
+    HDC hdc = GetDC(NULL);
+    int result = ExtEscape(hdc, GETRAWFRAMEBUFFER, 0, NULL, sizeof(RawFrameBufferInfo), (char *) &rfbi);
+    ReleaseDC(NULL, hdc);
+
+    //disable
+    if(result == 0 || rfbi.pFramePointer == 0 ||
+    	rfbi.cxPixels == 0 || rfbi.cyPixels == 0 ||
+	rfbi.cxStride == 0 || rfbi.cyStride == 0) return 0;
+
+    data->flags     = FB_RAW_MODE;
+
+    // fill FrameBufferInfo
+    SDL_memset(&data->fb, 0, sizeof(FrameBufferInfo));
+
+    data->fb.xpitch = rfbi.cxStride;
+    data->fb.ypitch = rfbi.cyStride;
+    data->fb.width  = rfbi.cxPixels;
+    data->fb.height = rfbi.cyPixels;
+    data->fb.offset = 0;
+
+    if((FORMAT_565 & rfbi.wFormat) || 16 == rfbi.wBPP)
+	data->format = SDL_PIXELFORMAT_RGB565;
+    else
+    if((FORMAT_555 & rfbi.wFormat) || 15 == rfbi.wBPP)
+	data->format = SDL_PIXELFORMAT_RGB555;
+    else
+	data->format = 0;
+
+    if(0 == data->format ||
+	0 > WINCE_FixedGeometry(&data->fb, SDL_BYTESPERPIXEL(data->format), data->debug))
+    {
+	SDL_SetError("RAW_Init: unknown hardware");
+	RAW_Quit(data);
+	return 0;
+    }
+
+    data->pixels = rfbi.pFramePointer;
+
+    return data->pixels ? 1 : 0;
+}
+
+void RAW_Quit(WINCE_RenderData* data)
+{
+}
+
+void FrameBufferInitialize(FrameBufferInfo* fb)
+{
+    int orientation = GetFrameBufferOrientation(fb);
+
+    // set correct start offset
+    switch(orientation)
+    {
+	case ORIENTATION_UP:
+	    fb->offset = 0;
+	    break;
+
+	case ORIENTATION_LEFT:
+	    fb->offset = __abs(fb->ypitch * (fb->height - 1));
+	    break;
+
+	case ORIENTATION_RIGHT:
+	    fb->offset = __abs(fb->xpitch * (fb->width - 1));
+	    break;
+
+	case ORIENTATION_DOWN:
+	    fb->offset = __abs(fb->xpitch * (fb->width - 1) +
+				fb->ypitch * (fb->height - 1));
+	    break;
+
+	default: break;
+    }
+
+    //if(orientation != ORIENTATION_UP)
+    switch(orientation)
+    {
+	case ORIENTATION_LEFT: FrameBufferRotate(fb, ORIENTATION_RIGHT); break;
+	case ORIENTATION_RIGHT:FrameBufferRotate(fb, ORIENTATION_LEFT); break;
+	case ORIENTATION_DOWN: FrameBufferRotate(fb, ORIENTATION_DOWN); break;
+
+	default: break;
+    }
+}
+
+int GetFrameBufferOrientation(const FrameBufferInfo* src)
+{
+    if(src->xpitch > 0 && src->ypitch > 0)
+	return ORIENTATION_UP;
+    else
+    if(src->xpitch > 0 && src->ypitch < 0)
+	return ORIENTATION_LEFT;
+    else
+    if(src->xpitch < 0 && src->ypitch > 0)
+	return ORIENTATION_RIGHT;
+    else
+    if(src->xpitch < 0 && src->ypitch < 0)
+	return ORIENTATION_DOWN;
+
+    return ORIENTATION_UNKNOWN;
+}
+
+void FrameBufferRotate(FrameBufferInfo* dst, int orientation)
+{
+    FrameBufferInfo src;
+    // copy dst -> src
+    SDL_memcpy(&src, dst, sizeof(FrameBufferInfo));
+
+    switch(orientation)
+    {
+        case ORIENTATION_LEFT:
+	    dst->width  = src.height;
+	    dst->height = src.width;
+	    dst->xpitch = src.ypitch;
+	    dst->ypitch = -src.xpitch;
+	    dst->offset = src.offset + src.xpitch * (src.width - 1);
+	    break;
+
+        case ORIENTATION_RIGHT:
+	    dst->width  = src.height;
+	    dst->height = src.width;
+	    dst->xpitch = -src.ypitch;
+	    dst->ypitch = src.xpitch;
+	    dst->offset = src.offset + src.ypitch * (src.height - 1);
+	    break;
+
+        case ORIENTATION_DOWN:
+	    FrameBufferRotate(dst, ORIENTATION_LEFT);
+	    FrameBufferRotate(dst, ORIENTATION_LEFT);
+	    break;
+
+        default:
+	    break;
+    }
+}
+
+void PointerRotate(POINT* pt, const FrameBufferInfo* fb, int orientation)
+{
+    switch(orientation)
+    {
+	case ORIENTATION_UP:
+	    break;
+
+	case ORIENTATION_LEFT:
+	{
+	    int temp = pt->y;
+	    pt->y = fb->height - pt->x;
+	    pt->x = temp;
+	}
+	    break;
+
+	case ORIENTATION_RIGHT:
+	{
+	    int temp = pt->x;
+	    pt->x = fb->width - pt->y;
+	    pt->y = temp;
+	}
+	    break;
+
+	case ORIENTATION_DOWN:
+	    pt->x = fb->width  - pt->x;
+	    pt->y = fb->height - pt->y;
+	    break;
+
+	default: break;
+    }
+}
+
+const char* GetOrientationName(int orientation)
+{
+    switch(orientation)
+    {
+        case ORIENTATION_UP:        return "UP";
+        case ORIENTATION_DOWN:      return "DOWN";
+        case ORIENTATION_LEFT:      return "LEFT";
+        case ORIENTATION_RIGHT:     return "RIGHT";
+        default: break;
+    }
+
+    return "UNKNOWN";
+}
+
+int WINCE_GetDMOrientation(void)
+{
+    DEVMODE sDevMode = {0};
+    sDevMode.dmSize = sizeof(DEVMODE);
+    sDevMode.dmFields = DM_DISPLAYORIENTATION;
+
+    // DMDO_0, DMDO_90, DMDO_180, DMDO_270
+    if(DISP_CHANGE_BADMODE != ChangeDisplaySettingsEx(NULL, &sDevMode, 0, CDS_TEST, NULL))
+	switch(sDevMode.dmDisplayOrientation)
+	{
+	    case DMDO_0:	return DMDO_0;
+	    case DMDO_90:	return DMDO_90;
+	    case DMDO_180:	return DMDO_180;
+	    case DMDO_270:	return DMDO_270;
+	    default: break;
+	}
+
+    SDL_SetError("WINCE_GetDMOrientation: ChangeDisplaySettingsEx return BADMODE");
+    return -1;
+}
+
+int WINCE_SetDMOrientation(int orientation)
+{
+    DEVMODE sDevMode = {0};
+    sDevMode.dmSize = sizeof(DEVMODE);
+    sDevMode.dmFields = DM_DISPLAYORIENTATION;
+
+    switch(orientation)
+    {
+	case DMDO_0:	sDevMode.dmDisplayOrientation = DMDO_0;   break;
+	case DMDO_90:	sDevMode.dmDisplayOrientation = DMDO_90;  break;
+	case DMDO_180:	sDevMode.dmDisplayOrientation = DMDO_180; break;
+	case DMDO_270:	sDevMode.dmDisplayOrientation = DMDO_270; break;
+	default: return 0;
+    }
+
+    if(DISP_CHANGE_BADMODE != ChangeDisplaySettingsEx(NULL, &sDevMode, 0, CDS_RESET, NULL))
+	return 1;
+
+    SDL_SetError("WINCE_SetDMOrientation: ChangeDisplaySettingsEx return BADMODE");
+    return -1;
+}
+
+void FrameBufferDumpInfo(const FrameBufferInfo* fb, const char* name)
+{
+    printf("%s fb.width:       %d\n", name, fb->width);
+    printf("%s fb.height:      %d\n", name, fb->height);
+    printf("%s fb.xpitch:      %d\n", name, fb->xpitch);
+    printf("%s fb.ypitch:      %d\n", name, fb->ypitch);
+    printf("%s fb.offset:      %d\n", name, fb->offset);
+
+    int orientation = GetFrameBufferOrientation(fb);
+    printf("%s fb.orientation: %d, %s\n", name, orientation, GetOrientationName(orientation));
+}
+
+void UpdateLine16to16(const FrameBufferInfo* fb, const Uint16* src, Uint16* dst, Uint16 width)
+{
+    if(2 == fb->xpitch)
+    {
+	switch(width)
+	{
+	    case 1:
+		*dst = *src;
+		break;
+
+	    case 2:
+		*((Uint32*) dst) = *((Uint32*) src);
+		break;
+
+	    default:
+		SDL_memcpy(dst, src, width * 2);
+		break;
+	}
+    }
+    else
+    if(-2 == fb->xpitch)
+    {
+	while(width--)
+	    *dst-- = *src++;
+    }
+    else
+    {
+	while(width--)
+	{
+	    *dst = *src++;
+	    dst += fb->xpitch / 2;
+	}
+    }
+}
+
+#endif // SDL_VIDEO_RENDER_GAPI