コード例 #1
0
SDL_Surface *VGL_SetVideoMode(_THIS, SDL_Surface *current,
			      int width, int height, int bpp, Uint32 flags)
{
	int mode_found;
	int i;
	VGLMode **modes;

	modes = VGLListModes(bpp, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
	mode_found = 0;
	for (i = 0; modes[i] != NULL; i++) {
		if ((modes[i]->ModeInfo.Xsize == width) &&
		    (modes[i]->ModeInfo.Ysize == height) &&
		    ((modes[i]->ModeInfo.Type == VIDBUF8) ||
		     (modes[i]->ModeInfo.Type == VIDBUF16) ||
		     (modes[i]->ModeInfo.Type == VIDBUF32))) {
			mode_found = 1;
			break;
		}
	}
	if (mode_found == 0) {
		SDL_SetError("No matching video mode found");
		return NULL;
	}

	
	if (VGLCurMode != NULL)
		VGLEnd();

	
	if (VGLInit(modes[i]->ModeId) != 0) {
		SDL_SetError("Unable to switch to requested mode");
		return NULL;
	}

	VGLCurMode = SDL_realloc(VGLCurMode, sizeof(VGLMode));
	VGLCurMode->ModeInfo = *VGLDisplay;
	VGLCurMode->Depth = modes[i]->Depth;
	VGLCurMode->ModeId = modes[i]->ModeId;
	VGLCurMode->Rmask = modes[i]->Rmask;
	VGLCurMode->Gmask = modes[i]->Gmask;
	VGLCurMode->Bmask = modes[i]->Bmask;

	
	if (VGLCurMode->ModeInfo.PixelBytes == 0)
		(VGLCurMode->ModeInfo.PixelBytes = 1);

	current->w = VGLCurMode->ModeInfo.Xsize;
	current->h = VGLCurMode->ModeInfo.Ysize;
	current->pixels = VGLCurMode->ModeInfo.Bitmap;
	current->pitch = VGLCurMode->ModeInfo.Xsize *
			 VGLCurMode->ModeInfo.PixelBytes;
	current->flags = (SDL_FULLSCREEN | SDL_HWSURFACE);

	
	if (VGLCurMode->ModeInfo.Type == VIDBUF8)
		current->flags |= SDL_HWPALETTE;

	
	if (flags & SDL_DOUBLEBUF) {
		if (VGLCurMode->ModeInfo.Xsize * 2 <=
		    VGLCurMode->ModeInfo.VYsize) {
			current->flags |= SDL_DOUBLEBUF;
			flip_page = 0;
			flip_address[0] = (byte *)current->pixels;
			flip_address[1] = (byte *)current->pixels +
					  current->h * current->pitch;
			VGL_FlipHWSurface(this, current);
		}
	}

	if (! SDL_ReallocFormat(current, modes[i]->Depth, VGLCurMode->Rmask,
				VGLCurMode->Gmask, VGLCurMode->Bmask, 0)) {
		return NULL;
	}

	
	VGL_UpdateVideoInfo(this);

	
	this->UpdateRects = VGL_DirectUpdate;

	
	return current;
}
コード例 #2
0
ファイル: SDL_vglvideo.c プロジェクト: cuttl/wii2600
SDL_Surface *VGL_SetVideoMode(_THIS, SDL_Surface *current,
			      int width, int height, int bpp, Uint32 flags)
{
	int mode_found;
	int i;
	VGLMode **modes;

	modes = VGLListModes(bpp, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
	mode_found = 0;
	for (i = 0; modes[i] != NULL; i++) {
		if ((modes[i]->ModeInfo.Xsize == width) &&
		    (modes[i]->ModeInfo.Ysize == height) &&
		    ((modes[i]->ModeInfo.Type == VIDBUF8) ||
		     (modes[i]->ModeInfo.Type == VIDBUF16) ||
		     (modes[i]->ModeInfo.Type == VIDBUF32))) {
			mode_found = 1;
			break;
		}
	}
	if (mode_found == 0) {
		SDL_SetError("No matching video mode found");
		return NULL;
	}

	/* Shutdown previous videomode (if any) */
	if (VGLCurMode != NULL)
		VGLEnd();

	/* Try to set the requested linear video mode */
	if (VGLInit(modes[i]->ModeId) != 0) {
		SDL_SetError("Unable to switch to requested mode");
		return NULL;
	}

	VGLCurMode = SDL_realloc(VGLCurMode, sizeof(VGLMode));
	VGLCurMode->ModeInfo = *VGLDisplay;
	VGLCurMode->Depth = modes[i]->Depth;
	VGLCurMode->ModeId = modes[i]->ModeId;
	VGLCurMode->Rmask = modes[i]->Rmask;
	VGLCurMode->Gmask = modes[i]->Gmask;
	VGLCurMode->Bmask = modes[i]->Bmask;

	/* Workaround a bug in libvgl */
	if (VGLCurMode->ModeInfo.PixelBytes == 0)
		(VGLCurMode->ModeInfo.PixelBytes = 1);

	current->w = VGLCurMode->ModeInfo.Xsize;
	current->h = VGLCurMode->ModeInfo.Ysize;
	current->pixels = VGLCurMode->ModeInfo.Bitmap;
	current->pitch = VGLCurMode->ModeInfo.Xsize *
			 VGLCurMode->ModeInfo.PixelBytes;
	current->flags = (SDL_FULLSCREEN | SDL_HWSURFACE);

	/* Check if we are in a pseudo-color mode */
	if (VGLCurMode->ModeInfo.Type == VIDBUF8)
		current->flags |= SDL_HWPALETTE;

	/* Check if we can do doublebuffering */
	if (flags & SDL_DOUBLEBUF) {
		if (VGLCurMode->ModeInfo.Xsize * 2 <=
		    VGLCurMode->ModeInfo.VYsize) {
			current->flags |= SDL_DOUBLEBUF;
			flip_page = 0;
			flip_address[0] = (byte *)current->pixels;
			flip_address[1] = (byte *)current->pixels +
					  current->h * current->pitch;
			VGL_FlipHWSurface(this, current);
		}
	}

	if (! SDL_ReallocFormat(current, modes[i]->Depth, VGLCurMode->Rmask,
				VGLCurMode->Gmask, VGLCurMode->Bmask, 0)) {
		return NULL;
	}

	/* Update hardware acceleration info */
	VGL_UpdateVideoInfo(this);

	/* Set the blit function */
	this->UpdateRects = VGL_DirectUpdate;

	/* We're done */
	return current;
}
コード例 #3
0
int VGL_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
	int i;
	int total_modes;
	VGLMode **modes;

	
	for ( i=0; i<NUM_MODELISTS; ++i ) {
		SDL_nummodes[i] = 0;
		SDL_modelist[i] = NULL;
	}

	
	if (SDL_getenv("SDL_NO_RAWKBD") == NULL) {
		if (VGLKeyboardInit(VGL_CODEKEYS) != 0) {
			SDL_SetError("Unable to initialize keyboard");
			return -1;
		}
	} else {
		warnx("Requiest to put keyboard into a raw mode ignored");
	}
	if (VGL_initkeymaps(STDIN_FILENO) != 0) {
		SDL_SetError("Unable to initialize keymap");
		return -1;
	}
	if (VGL_initmouse(STDIN_FILENO) != 0) {
		SDL_SetError("Unable to initialize mouse");
		return -1;
	}

	
	if (VGLCurMode != NULL) {
		this->info.current_w = VGLCurMode->ModeInfo.Xsize;
		this->info.current_h = VGLCurMode->ModeInfo.Ysize;
	}

	
	if (VGLCurMode != NULL)
		vformat->BitsPerPixel = VGLCurMode->Depth;
	else
		vformat->BitsPerPixel = 16;	

	
	total_modes = 0;
	modes = VGLListModes(-1, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
	for (i = 0; modes[i] != NULL; i++) {
		if ((modes[i]->ModeInfo.Type == VIDBUF8) ||
		    (modes[i]->ModeInfo.Type == VIDBUF16) ||
		    (modes[i]->ModeInfo.Type == VIDBUF32)) {
			VGL_AddMode(this, modes[i]);
			total_modes++;
		}
	}
	if (total_modes == 0) {
		SDL_SetError("No linear video modes available");
		return -1;
	}

	
	VGL_UpdateVideoInfo(this);

	
	hw_lock = SDL_CreateMutex();
	if (hw_lock == NULL) {
		SDL_SetError("Unable to create lock mutex");
		VGL_VideoQuit(this);
		return -1;
	}

	
	return 0;
}
コード例 #4
0
ファイル: SDL_vglvideo.c プロジェクト: cuttl/wii2600
int VGL_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
	int i;
	int total_modes;
	VGLMode **modes;

	/* Initialize all variables that we clean on shutdown */
	for ( i=0; i<NUM_MODELISTS; ++i ) {
		SDL_nummodes[i] = 0;
		SDL_modelist[i] = NULL;
	}

	/* Enable mouse and keyboard support */
	if (SDL_getenv("SDL_NO_RAWKBD") == NULL) {
		if (VGLKeyboardInit(VGL_CODEKEYS) != 0) {
			SDL_SetError("Unable to initialize keyboard");
			return -1;
		}
	} else {
		warnx("Requiest to put keyboard into a raw mode ignored");
	}
	if (VGL_initkeymaps(STDIN_FILENO) != 0) {
		SDL_SetError("Unable to initialize keymap");
		return -1;
	}
	if (VGL_initmouse(STDIN_FILENO) != 0) {
		SDL_SetError("Unable to initialize mouse");
		return -1;
	}

	/* Determine the current screen size */
	if (VGLCurMode != NULL) {
		this->info.current_w = VGLCurMode->ModeInfo.Xsize;
		this->info.current_h = VGLCurMode->ModeInfo.Ysize;
	}

	/* Determine the screen depth */
	if (VGLCurMode != NULL)
		vformat->BitsPerPixel = VGLCurMode->Depth;
	else
		vformat->BitsPerPixel = 16;	/* Good default */

	/* Query for the list of available video modes */
	total_modes = 0;
	modes = VGLListModes(-1, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
	for (i = 0; modes[i] != NULL; i++) {
		if ((modes[i]->ModeInfo.Type == VIDBUF8) ||
		    (modes[i]->ModeInfo.Type == VIDBUF16) ||
		    (modes[i]->ModeInfo.Type == VIDBUF32)) {
			VGL_AddMode(this, modes[i]);
			total_modes++;
		}
	}
	if (total_modes == 0) {
		SDL_SetError("No linear video modes available");
		return -1;
	}

	/* Fill in our hardware acceleration capabilities */
	VGL_UpdateVideoInfo(this);

	/* Create the hardware surface lock mutex */
	hw_lock = SDL_CreateMutex();
	if (hw_lock == NULL) {
		SDL_SetError("Unable to create lock mutex");
		VGL_VideoQuit(this);
		return -1;
	}

	/* We're done! */
	return 0;
}