mirror of
				https://git.proxmox.com/git/mirror_edk2
				synced 2025-10-31 12:46:42 +00:00 
			
		
		
		
	 288a3c98c7
			
		
	
	
		288a3c98c7
		
	
	
	
	
		
			
			git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5408 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			595 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			595 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <sys/ipc.h>
 | |
| #include <sys/shm.h>
 | |
| #include <sys/dir.h>
 | |
| #include <stdio.h>
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "PiPei.h"
 | |
| #include "Protocol/UnixThunk.h"
 | |
| #include "Protocol/SimpleTextIn.h"
 | |
| #include "Protocol/UgaDraw.h"
 | |
| #include "Protocol/UnixUgaIo.h"
 | |
| #include <X11/Xlib.h>
 | |
| #include <X11/Xutil.h>
 | |
| #include <X11/Xos.h>
 | |
| #include <X11/extensions/XShm.h>
 | |
| #include <X11/keysym.h>
 | |
| 
 | |
| #include <Guid/PeiPeCoffLoader.h>
 | |
| #include <Ppi/StatusCode.h>
 | |
| 
 | |
| #include <Library/PeCoffLib.h>
 | |
| #include <Library/BaseLib.h>
 | |
| #include <Library/BaseMemoryLib.h>
 | |
| #include <Library/PrintLib.h>
 | |
| #include <Library/PcdLib.h>
 | |
| #include <Library/DebugLib.h>
 | |
| 
 | |
| extern void msSleep (unsigned long Milliseconds);
 | |
| 
 | |
| /* XQueryPointer  */
 | |
| 
 | |
| struct uga_drv_shift_mask
 | |
| {
 | |
|   unsigned char shift;
 | |
|   unsigned char size;
 | |
|   unsigned char csize;
 | |
| };
 | |
| 
 | |
| #define NBR_KEYS 32
 | |
| typedef struct
 | |
| {
 | |
|   EFI_UNIX_UGA_IO_PROTOCOL UgaIo;
 | |
| 
 | |
|   Display *display;
 | |
|   int screen;			/* values for window_size in main */
 | |
|   Window win;
 | |
|   GC gc;
 | |
|   Visual *visual;
 | |
| 
 | |
|   int depth;
 | |
|   unsigned int width;
 | |
|   unsigned int height;
 | |
|   unsigned int line_bytes;
 | |
|   unsigned int pixel_shift;
 | |
|   unsigned char *image_data;
 | |
| 
 | |
|   struct uga_drv_shift_mask r, g, b;
 | |
| 
 | |
|   int use_shm;
 | |
|   XShmSegmentInfo xshm_info;
 | |
|   XImage *image;
 | |
| 
 | |
|   unsigned int key_rd;
 | |
|   unsigned int key_wr;
 | |
|   unsigned int key_count;
 | |
|   EFI_INPUT_KEY keys[NBR_KEYS];
 | |
| } UGA_IO_PRIVATE;
 | |
| 
 | |
| static void
 | |
| HandleEvents(UGA_IO_PRIVATE *drv);
 | |
| 
 | |
| static void
 | |
| fill_shift_mask (struct uga_drv_shift_mask *sm, unsigned long mask)
 | |
| {
 | |
|   sm->shift = 0;
 | |
|   sm->size = 0;
 | |
|   while ((mask & 1) == 0)
 | |
|     {
 | |
|       mask >>= 1;
 | |
|       sm->shift++;
 | |
|     }
 | |
|   while (mask & 1)
 | |
|     {
 | |
|       sm->size++;
 | |
|       mask >>= 1;
 | |
|     }
 | |
|   sm->csize = 8 - sm->size;
 | |
| }
 | |
| 
 | |
| static int
 | |
| TryCreateShmImage(UGA_IO_PRIVATE *drv)
 | |
| {
 | |
|   drv->image = XShmCreateImage (drv->display, drv->visual,
 | |
|                  drv->depth, ZPixmap, NULL, &drv->xshm_info,
 | |
|                  drv->width, drv->height);
 | |
|   if (drv->image == NULL)
 | |
|     return 0;
 | |
| 
 | |
|   switch (drv->image->bitmap_unit) {
 | |
|   case 32:
 | |
|     drv->pixel_shift = 2;
 | |
|     break;
 | |
|   case 16:
 | |
|     drv->pixel_shift = 1;
 | |
|     break;
 | |
|   case 8:
 | |
|     drv->pixel_shift = 0;
 | |
|     break;
 | |
|   }
 | |
| 
 | |
|   drv->xshm_info.shmid = shmget
 | |
|                           (IPC_PRIVATE, drv->image->bytes_per_line * drv->image->height,
 | |
|                           IPC_CREAT | 0777);
 | |
|   if (drv->xshm_info.shmid < 0)
 | |
|     {
 | |
|       XDestroyImage(drv->image);
 | |
|       return 0;
 | |
|     }
 | |
|       
 | |
|   drv->image_data = shmat (drv->xshm_info.shmid, NULL, 0);
 | |
|   if(!drv->image_data)
 | |
|     {
 | |
|       shmctl (drv->xshm_info.shmid, IPC_RMID, NULL);
 | |
|       XDestroyImage(drv->image);
 | |
|       return 0;
 | |
|     }
 | |
|   /* Can this fail ?  */
 | |
|   shmctl (drv->xshm_info.shmid, IPC_RMID, NULL);
 | |
| 
 | |
|   drv->xshm_info.shmaddr = (char*)drv->image_data;
 | |
|   drv->image->data = (char*)drv->image_data;
 | |
| 
 | |
|   if (!XShmAttach (drv->display, &drv->xshm_info))
 | |
|     {
 | |
|       shmdt (drv->image_data);
 | |
|       XDestroyImage(drv->image);
 | |
|       return 0;
 | |
|     }
 | |
|   return 1;
 | |
| }
 | |
| 
 | |
| static
 | |
| EFI_STATUS
 | |
| UgaClose (EFI_UNIX_UGA_IO_PROTOCOL *UgaIo)
 | |
| {
 | |
|   UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
 | |
| 
 | |
|   if (drv == NULL)
 | |
|     return EFI_SUCCESS;
 | |
|   if (drv->image != NULL)
 | |
|     {
 | |
|       XDestroyImage(drv->image);
 | |
| 
 | |
|       if (drv->use_shm)
 | |
|         shmdt (drv->image_data);
 | |
| 
 | |
|       drv->image_data = NULL;
 | |
|       drv->image = NULL;
 | |
|     }
 | |
|   XDestroyWindow(drv->display, drv->win);
 | |
|   XCloseDisplay(drv->display);
 | |
|   free(drv);
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| static
 | |
| EFI_STATUS
 | |
| UgaSize(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo, UINT32 Width, UINT32 Height)
 | |
| {
 | |
|   UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
 | |
|   XSizeHints size_hints;
 | |
| 
 | |
|   /* Destroy current buffer if created.  */
 | |
|   if (drv->image != NULL)
 | |
|     {
 | |
|       XDestroyImage(drv->image);
 | |
| 
 | |
|       if (drv->use_shm)
 | |
|         shmdt (drv->image_data);
 | |
| 
 | |
|       drv->image_data = NULL;
 | |
|       drv->image = NULL;
 | |
|     }
 | |
| 
 | |
|   drv->width = Width;
 | |
|   drv->height = Height;
 | |
|   XResizeWindow (drv->display, drv->win, Width, Height);
 | |
| 
 | |
|   /* Allocate image.  */
 | |
|   if (XShmQueryExtension(drv->display) && TryCreateShmImage(drv)) {
 | |
|     drv->use_shm = 1;
 | |
|   } else {
 | |
|     drv->use_shm = 0;
 | |
|     if (drv->depth > 16)
 | |
|       drv->pixel_shift = 2;
 | |
|     else if (drv->depth > 8)
 | |
|       drv->pixel_shift = 1;
 | |
|     else
 | |
|       drv->pixel_shift = 0;
 | |
|       
 | |
|       drv->image_data = malloc((drv->width * drv->height) << drv->pixel_shift);
 | |
|       drv->image = XCreateImage (drv->display, drv->visual, drv->depth,
 | |
|                                   ZPixmap, 0, (char *)drv->image_data,
 | |
|                                   drv->width, drv->height,
 | |
|                                   8 << drv->pixel_shift, 0);
 | |
|     }
 | |
|   drv->line_bytes = drv->image->bytes_per_line;
 | |
|   fill_shift_mask (&drv->r, drv->image->red_mask);
 | |
|   fill_shift_mask (&drv->g, drv->image->green_mask);
 | |
|   fill_shift_mask (&drv->b, drv->image->blue_mask);
 | |
| 
 | |
|   /* Set WM hints.  */
 | |
|   size_hints.flags = PSize | PMinSize | PMaxSize;
 | |
|   size_hints.min_width = size_hints.max_width = size_hints.base_width = Width;
 | |
|   size_hints.min_height = size_hints.max_height = size_hints.base_height = Height;
 | |
|   XSetWMNormalHints (drv->display, drv->win, &size_hints);
 | |
| 
 | |
|   XMapWindow (drv->display, drv->win);
 | |
|   HandleEvents(drv);
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| static void
 | |
| handleKeyEvent(UGA_IO_PRIVATE *drv, XEvent *ev)
 | |
| {
 | |
|   KeySym keysym;
 | |
|   char str[4];
 | |
|   EFI_INPUT_KEY Key;
 | |
|   int res;
 | |
| 
 | |
|   if (drv->key_count == NBR_KEYS)
 | |
|     return;
 | |
| 
 | |
|   res = XLookupString(&ev->xkey, str, sizeof(str), &keysym, NULL);
 | |
|   Key.ScanCode = 0;
 | |
|   Key.UnicodeChar = 0;
 | |
|   switch (keysym) {
 | |
|   case XK_Home:       Key.ScanCode = SCAN_HOME;       break;
 | |
|   case XK_End:        Key.ScanCode = SCAN_END;        break;
 | |
|   case XK_Left:       Key.ScanCode = SCAN_LEFT;       break;
 | |
|   case XK_Right:      Key.ScanCode = SCAN_RIGHT;      break;
 | |
|   case XK_Up:         Key.ScanCode = SCAN_UP;         break;
 | |
|   case XK_Down:       Key.ScanCode = SCAN_DOWN;       break;
 | |
|   case XK_Delete:     Key.ScanCode = SCAN_DELETE;     break;
 | |
|   case XK_Insert:     Key.ScanCode = SCAN_INSERT;     break;
 | |
|   case XK_Page_Up:    Key.ScanCode = SCAN_PAGE_UP;    break;
 | |
|   case XK_Page_Down:  Key.ScanCode = SCAN_PAGE_DOWN;  break;
 | |
|   case XK_Escape:     Key.ScanCode = SCAN_ESC;        break;
 | |
| 
 | |
|   case XK_F1:   Key.ScanCode = SCAN_F1;   break;
 | |
|   case XK_F2:   Key.ScanCode = SCAN_F2;   break;
 | |
|   case XK_F3:   Key.ScanCode = SCAN_F3;   break;
 | |
|   case XK_F4:   Key.ScanCode = SCAN_F4;   break;
 | |
|   case XK_F5:   Key.ScanCode = SCAN_F5;   break;
 | |
|   case XK_F6:   Key.ScanCode = SCAN_F6;   break;
 | |
|   case XK_F7:   Key.ScanCode = SCAN_F7;   break;
 | |
|   case XK_F8:   Key.ScanCode = SCAN_F8;   break;
 | |
|   case XK_F9:   Key.ScanCode = SCAN_F9;   break;
 | |
| 
 | |
|   default:
 | |
|     if (res == 1) {
 | |
|       Key.UnicodeChar = str[0];
 | |
|     } else {
 | |
|       return;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   drv->keys[drv->key_wr] = Key;
 | |
|   drv->key_wr = (drv->key_wr + 1) % NBR_KEYS;
 | |
|   drv->key_count++;
 | |
| }
 | |
| 
 | |
| static void
 | |
| Redraw(UGA_IO_PRIVATE *drv, UINTN X, UINTN Y, UINTN Width, UINTN Height)
 | |
| {
 | |
|   if (drv->use_shm)
 | |
|     XShmPutImage (drv->display, drv->win, drv->gc, drv->image,
 | |
|                    X, Y, X, Y, Width, Height, False);
 | |
|   else
 | |
|     XPutImage (drv->display, drv->win, drv->gc, drv->image,
 | |
|                 X, Y, X, Y, Width, Height);
 | |
|   XFlush(drv->display);
 | |
| }
 | |
| 
 | |
| static void
 | |
| HandleEvent(UGA_IO_PRIVATE *drv, XEvent *ev)
 | |
| {
 | |
|   switch (ev->type)
 | |
|     {
 | |
|     case Expose:
 | |
|       Redraw(drv, ev->xexpose.x, ev->xexpose.y,
 | |
|         ev->xexpose.width, ev->xexpose.height);
 | |
|       break;
 | |
|     case GraphicsExpose:
 | |
|       Redraw(drv, ev->xgraphicsexpose.x, ev->xgraphicsexpose.y,
 | |
|         ev->xgraphicsexpose.width, ev->xgraphicsexpose.height);
 | |
|       break;
 | |
|     case KeyPress:
 | |
|       handleKeyEvent(drv, ev);
 | |
|       break;
 | |
|     case MappingNotify:
 | |
|       XRefreshKeyboardMapping(&ev->xmapping);
 | |
|       break;
 | |
| #if 0
 | |
|     case DestroyNotify:
 | |
|       XCloseDisplay (drv->display);
 | |
|       exit (1);
 | |
|       break;
 | |
| #endif
 | |
|     case NoExpose:
 | |
|     default:
 | |
|       break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| HandleEvents(UGA_IO_PRIVATE *drv)
 | |
| {
 | |
|   while (XPending(drv->display) != 0)
 | |
|     {
 | |
|       XEvent ev;
 | |
| 
 | |
|       XNextEvent (drv->display, &ev);
 | |
|       HandleEvent(drv, &ev);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static
 | |
| unsigned long
 | |
| UgaPixelToColor (UGA_IO_PRIVATE *drv, EFI_UGA_PIXEL pixel)
 | |
| {
 | |
|   return ((pixel.Red >> drv->r.csize) << drv->r.shift)
 | |
|     | ((pixel.Green >> drv->g.csize) << drv->g.shift)
 | |
|     | ((pixel.Blue >> drv->b.csize) << drv->b.shift);
 | |
| }
 | |
| 
 | |
| static
 | |
| EFI_UGA_PIXEL
 | |
| UgaColorToPixel (UGA_IO_PRIVATE *drv, unsigned long val)
 | |
| {
 | |
|   EFI_UGA_PIXEL res;
 | |
| 
 | |
|   memset (&res, 0, sizeof (EFI_UGA_PIXEL));
 | |
|   /* FIXME: should round instead of truncate.  */
 | |
|   res.Red = (val >> drv->r.shift) << drv->r.csize;
 | |
|   res.Green = (val >> drv->g.shift) << drv->g.csize;
 | |
|   res.Blue = (val >> drv->b.shift) << drv->b.csize;
 | |
| 
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| static
 | |
| EFI_STATUS
 | |
| UgaCheckKey(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo)
 | |
| {
 | |
|   UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
 | |
|   HandleEvents(drv);
 | |
|   if (drv->key_count != 0)
 | |
|     return EFI_SUCCESS;
 | |
|   else {
 | |
|     /* EFI is certainly polling.  Be CPU-friendly.  */
 | |
|     msSleep (20);
 | |
|     return EFI_NOT_READY;
 | |
|   }
 | |
| }
 | |
| 
 | |
| static
 | |
| EFI_STATUS
 | |
| UgaGetKey(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo, EFI_INPUT_KEY *key)
 | |
| {
 | |
|   UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
 | |
|   EFI_STATUS status;
 | |
| 
 | |
|   status = UgaCheckKey(UgaIo);
 | |
|   if (status != EFI_SUCCESS)
 | |
|     return status;
 | |
| 
 | |
|   *key = drv->keys[drv->key_rd];
 | |
|   drv->key_rd = (drv->key_rd + 1) % NBR_KEYS;
 | |
|   drv->key_count--;
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| EFI_STATUS
 | |
| UgaBlt(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo,
 | |
|        IN  EFI_UGA_PIXEL                           *BltBuffer OPTIONAL,
 | |
|        IN  EFI_UGA_BLT_OPERATION                   BltOperation,
 | |
|        IN  UINTN                                   SourceX,
 | |
|        IN  UINTN                                   SourceY,
 | |
|        IN  UINTN                                   DestinationX,
 | |
|        IN  UINTN                                   DestinationY,
 | |
|        IN  UINTN                                   Width,
 | |
|        IN  UINTN                                   Height,
 | |
|        IN  UINTN                                   Delta OPTIONAL
 | |
|   )
 | |
| {
 | |
|   UGA_IO_PRIVATE *Private = (UGA_IO_PRIVATE *)UgaIo;
 | |
|   UINTN             DstY;
 | |
|   UINTN             SrcY;
 | |
|   UINTN             DstX;
 | |
|   UINTN             SrcX;
 | |
|   UINTN             Index;
 | |
|   EFI_UGA_PIXEL     *Blt;
 | |
|   UINT8             *Dst;
 | |
|   UINT8             *Src;
 | |
|   UINTN             Nbr;
 | |
|   unsigned long     Color;
 | |
| 
 | |
|   //
 | |
|   //  Check bounds
 | |
|   //
 | |
|   if (BltOperation == EfiUgaVideoToBltBuffer
 | |
|       || BltOperation == EfiUgaVideoToVideo) {
 | |
|     //
 | |
|     // Source is Video.
 | |
|     //
 | |
|     if (SourceY + Height > Private->height) {
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|     }
 | |
| 
 | |
|     if (SourceX + Width > Private->width) {
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   if (BltOperation == EfiUgaBltBufferToVideo
 | |
|       || BltOperation == EfiUgaVideoToVideo
 | |
|       || BltOperation == EfiUgaVideoFill) {
 | |
|     //
 | |
|     // Destination is Video
 | |
|     //
 | |
|     if (DestinationY + Height > Private->height) {
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|     }
 | |
| 
 | |
|     if (DestinationX + Width > Private->width) {
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   switch (BltOperation) {
 | |
|   case EfiUgaVideoToBltBuffer:
 | |
|     Blt = (EFI_UGA_PIXEL *)((UINT8 *)BltBuffer + (DestinationY * Delta) + DestinationX * sizeof (EFI_UGA_PIXEL));
 | |
|     Delta -= Width * sizeof (EFI_UGA_PIXEL);
 | |
|     for (SrcY = SourceY; SrcY < (Height + SourceY); SrcY++) {
 | |
|       for (SrcX = SourceX; SrcX < (Width + SourceX); SrcX++) {
 | |
|         *Blt++ = UgaColorToPixel(Private,
 | |
|                                   XGetPixel(Private->image, SrcX, SrcY));
 | |
|       }
 | |
|       Blt = (EFI_UGA_PIXEL *) ((UINT8 *) Blt + Delta);
 | |
|     }
 | |
|     break;
 | |
|   case EfiUgaBltBufferToVideo:
 | |
|     Blt = (EFI_UGA_PIXEL *)((UINT8 *)BltBuffer + (SourceY * Delta) + SourceX * sizeof (EFI_UGA_PIXEL));
 | |
|     Delta -= Width * sizeof (EFI_UGA_PIXEL);
 | |
|     for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {
 | |
|       for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {
 | |
|         XPutPixel(Private->image, DstX, DstY, UgaPixelToColor(Private, *Blt));
 | |
|         Blt++;
 | |
|       }
 | |
|       Blt = (EFI_UGA_PIXEL *) ((UINT8 *) Blt + Delta);
 | |
|     }
 | |
|     break;
 | |
|   case EfiUgaVideoToVideo:
 | |
|     Dst = Private->image_data + (DestinationX << Private->pixel_shift)
 | |
|       + DestinationY * Private->line_bytes;
 | |
|     Src = Private->image_data + (SourceX << Private->pixel_shift)
 | |
|       + SourceY * Private->line_bytes;
 | |
|     Nbr = Width << Private->pixel_shift;
 | |
|     if (DestinationY < SourceY) {
 | |
|       for (Index = 0; Index < Height; Index++) {
 | |
|         memcpy (Dst, Src, Nbr);
 | |
|         Dst += Private->line_bytes;
 | |
|         Src += Private->line_bytes;
 | |
|       }
 | |
|     }
 | |
|     else {
 | |
|       Dst += (Height - 1) * Private->line_bytes;
 | |
|       Src += (Height - 1) * Private->line_bytes;
 | |
|       for (Index = 0; Index < Height; Index++) {
 | |
|       //
 | |
|       // Source and Destination Y may be equal, therefore Dst and Src may
 | |
|       // overlap.
 | |
|       //
 | |
|       memmove (Dst, Src, Nbr);
 | |
|       Dst -= Private->line_bytes;
 | |
|       Src -= Private->line_bytes;
 | |
|       }
 | |
|     }
 | |
|     break;
 | |
|   case EfiUgaVideoFill:
 | |
|     Color = UgaPixelToColor(Private, *BltBuffer);
 | |
|     for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {
 | |
|       for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {
 | |
|         XPutPixel(Private->image, DstX, DstY, Color);
 | |
|       }
 | |
|     }
 | |
|     break;
 | |
|   default:
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   //  Refresh screen.
 | |
|   //
 | |
|   switch (BltOperation) {
 | |
|   case EfiUgaVideoToVideo:
 | |
|     XCopyArea(Private->display, Private->win, Private->win, Private->gc,
 | |
|                SourceX, SourceY, Width, Height, DestinationX, DestinationY);
 | |
|     while (1) {
 | |
|       XEvent ev;
 | |
| 
 | |
|       XNextEvent (Private->display, &ev);
 | |
|       HandleEvent(Private, &ev);
 | |
|       if (ev.type == NoExpose || ev.type == GraphicsExpose)
 | |
|         break;
 | |
|     }
 | |
|     break;
 | |
|   case EfiUgaVideoFill:
 | |
|     Color = UgaPixelToColor(Private, *BltBuffer);
 | |
|     XSetForeground(Private->display, Private->gc, Color);
 | |
|     XFillRectangle(Private->display, Private->win, Private->gc,
 | |
|                     DestinationX, DestinationY, Width, Height);
 | |
|     XFlush(Private->display);
 | |
|     break;
 | |
|   case EfiUgaBltBufferToVideo:
 | |
|     Redraw(Private, DestinationX, DestinationY, Width, Height);
 | |
|     break;
 | |
|   default:
 | |
|     break;
 | |
|   }
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| EFI_STATUS
 | |
| UgaCreate (EFI_UNIX_UGA_IO_PROTOCOL **Uga, CONST CHAR16 *Title)
 | |
| {
 | |
|   UGA_IO_PRIVATE *drv;
 | |
|   unsigned int border_width = 0;
 | |
|   char *display_name = NULL;
 | |
|   int title_len;
 | |
| 
 | |
|   drv = (UGA_IO_PRIVATE *)
 | |
|     calloc (1, sizeof (UGA_IO_PRIVATE));
 | |
|   if (drv == NULL)
 | |
|     return EFI_OUT_OF_RESOURCES;
 | |
| 
 | |
|   drv->UgaIo.UgaClose = UgaClose;
 | |
|   drv->UgaIo.UgaSize = UgaSize;
 | |
|   drv->UgaIo.UgaCheckKey = UgaCheckKey;
 | |
|   drv->UgaIo.UgaGetKey = UgaGetKey;
 | |
|   drv->UgaIo.UgaBlt = UgaBlt;
 | |
| 
 | |
|   drv->key_count = 0;
 | |
|   drv->key_rd = 0;
 | |
|   drv->key_wr = 0;
 | |
|   drv->display = XOpenDisplay (display_name);
 | |
|   if (drv->display == NULL)
 | |
|     {
 | |
|       fprintf (stderr, "uga: cannot connect to X server %s\n",
 | |
|                 XDisplayName (display_name));
 | |
|       free (drv);
 | |
|       return EFI_DEVICE_ERROR;
 | |
|     }
 | |
|   drv->screen = DefaultScreen (drv->display);
 | |
|   drv->visual = DefaultVisual (drv->display, drv->screen);
 | |
|   drv->win = XCreateSimpleWindow
 | |
|                (drv->display, RootWindow (drv->display, drv->screen),
 | |
|                 0, 0, 4, 4, border_width,
 | |
|                 WhitePixel (drv->display, drv->screen),
 | |
|                 BlackPixel (drv->display, drv->screen));
 | |
| 
 | |
|   drv->depth = DefaultDepth (drv->display, drv->screen);
 | |
| 
 | |
|   /* Compute title len and convert to Ascii.  */
 | |
|   for (title_len = 0; Title[title_len] != 0; title_len++)
 | |
|     ;
 | |
|   {
 | |
|     char title[title_len + 1];
 | |
|     int i;
 | |
|     for (i = 0; i < title_len; i++)
 | |
|       title[i] = Title[i];
 | |
|     title[i] = 0;
 | |
|     
 | |
|     XStoreName (drv->display, drv->win, title);
 | |
|   }
 | |
| 
 | |
|   XSelectInput (drv->display, drv->win,
 | |
|                  ExposureMask | KeyPressMask);
 | |
|   drv->gc = DefaultGC (drv->display, drv->screen);
 | |
| 
 | |
|   *Uga = (EFI_UNIX_UGA_IO_PROTOCOL *)drv;
 | |
|   return EFI_SUCCESS;
 | |
| }
 |