Unix version of EFI emulator
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2182 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tgingold
580
EdkUnixPkg/Sec/UgaX11.c
Normal file
580
EdkUnixPkg/Sec/UgaX11.c
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@@ -0,0 +1,580 @@
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#include "Uefi/UefiSpec.h"
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#include "Protocol/UnixThunk.h"
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#include "Protocol/SimpleTextIn.h"
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#include "Protocol/UgaDraw.h"
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#include "Protocol/UnixUgaIo.h"
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xos.h>
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#include <X11/extensions/XShm.h>
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#include <X11/keysym.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <stdio.h>
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#include <stdlib.h>
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/* XQueryPointer */
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struct uga_drv_shift_mask
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{
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unsigned char shift;
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unsigned char size;
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unsigned char csize;
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};
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#define NBR_KEYS 32
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typedef struct
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{
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EFI_UNIX_UGA_IO_PROTOCOL UgaIo;
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Display *display;
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int screen; /* values for window_size in main */
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Window win;
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GC gc;
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Visual *visual;
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int depth;
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unsigned int width;
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unsigned int height;
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unsigned int line_bytes;
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unsigned int pixel_shift;
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unsigned char *image_data;
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struct uga_drv_shift_mask r, g, b;
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int use_shm;
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XShmSegmentInfo xshm_info;
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XImage *image;
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unsigned int key_rd;
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unsigned int key_wr;
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unsigned int key_count;
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EFI_INPUT_KEY keys[NBR_KEYS];
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} UGA_IO_PRIVATE;
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static void
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HandleEvents(UGA_IO_PRIVATE *drv);
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static void
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fill_shift_mask (struct uga_drv_shift_mask *sm, unsigned long mask)
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{
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sm->shift = 0;
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sm->size = 0;
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while ((mask & 1) == 0)
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{
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mask >>= 1;
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sm->shift++;
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}
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while (mask & 1)
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{
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sm->size++;
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mask >>= 1;
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}
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sm->csize = 8 - sm->size;
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}
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static int
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TryCreateShmImage(UGA_IO_PRIVATE *drv)
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{
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drv->image = XShmCreateImage (drv->display, drv->visual,
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drv->depth, ZPixmap, NULL, &drv->xshm_info,
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drv->width, drv->height);
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if (drv->image == NULL)
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return 0;
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switch (drv->image->bitmap_unit) {
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case 32:
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drv->pixel_shift = 2;
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break;
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case 16:
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drv->pixel_shift = 1;
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break;
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case 8:
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drv->pixel_shift = 0;
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break;
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}
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drv->xshm_info.shmid = shmget
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(IPC_PRIVATE, drv->image->bytes_per_line * drv->image->height,
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IPC_CREAT | 0777);
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if (drv->xshm_info.shmid < 0)
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{
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XDestroyImage(drv->image);
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return 0;
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}
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drv->image_data = shmat (drv->xshm_info.shmid, NULL, 0);
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if(!drv->image_data)
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{
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shmctl (drv->xshm_info.shmid, IPC_RMID, NULL);
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XDestroyImage(drv->image);
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return 0;
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}
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/* Can this fail ? */
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shmctl (drv->xshm_info.shmid, IPC_RMID, NULL);
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drv->xshm_info.shmaddr = drv->image_data;
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drv->image->data = drv->image_data;
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if (!XShmAttach (drv->display, &drv->xshm_info))
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{
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shmdt (drv->image_data);
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XDestroyImage(drv->image);
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return 0;
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}
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return 1;
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}
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static
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EFI_STATUS
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UgaClose (EFI_UNIX_UGA_IO_PROTOCOL *UgaIo)
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{
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UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
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if (drv == NULL)
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return EFI_SUCCESS;
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if (drv->image != NULL)
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{
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XDestroyImage(drv->image);
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if (drv->use_shm)
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shmdt (drv->image_data);
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drv->image_data = NULL;
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drv->image = NULL;
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}
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XDestroyWindow(drv->display, drv->win);
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XCloseDisplay(drv->display);
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free(drv);
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return EFI_SUCCESS;
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}
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static
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EFI_STATUS
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UgaSize(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo, UINT32 Width, UINT32 Height)
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{
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UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
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XSizeHints size_hints;
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/* Destroy current buffer if created. */
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if (drv->image != NULL)
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{
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XDestroyImage(drv->image);
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if (drv->use_shm)
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shmdt (drv->image_data);
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drv->image_data = NULL;
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drv->image = NULL;
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}
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drv->width = Width;
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drv->height = Height;
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XResizeWindow (drv->display, drv->win, Width, Height);
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/* Allocate image. */
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if (XShmQueryExtension(drv->display) && TryCreateShmImage(drv))
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{
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drv->use_shm = 1;
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}
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else
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{
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drv->use_shm = 0;
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if (drv->depth > 16)
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drv->pixel_shift = 2;
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else if (drv->depth > 8)
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drv->pixel_shift = 1;
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else
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drv->pixel_shift = 0;
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drv->image_data = malloc((drv->width * drv->height) << drv->pixel_shift);
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drv->image = XCreateImage (drv->display, drv->visual, drv->depth,
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ZPixmap, 0, drv->image_data,
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drv->width, drv->height,
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8 << drv->pixel_shift, 0);
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}
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drv->line_bytes = drv->image->bytes_per_line;
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fill_shift_mask (&drv->r, drv->image->red_mask);
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fill_shift_mask (&drv->g, drv->image->green_mask);
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fill_shift_mask (&drv->b, drv->image->blue_mask);
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/* Set WM hints. */
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size_hints.flags = PSize | PMinSize | PMaxSize;
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size_hints.min_width = size_hints.max_width = size_hints.base_width = Width;
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size_hints.min_height = size_hints.max_height = size_hints.base_height = Height;
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XSetWMNormalHints (drv->display, drv->win, &size_hints);
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XMapWindow (drv->display, drv->win);
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HandleEvents(drv);
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return EFI_SUCCESS;
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}
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static void
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handleKeyEvent(UGA_IO_PRIVATE *drv, XEvent *ev)
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{
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KeySym keysym;
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char str[4];
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EFI_INPUT_KEY Key;
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int res;
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if (drv->key_count == NBR_KEYS)
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return;
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res = XLookupString(&ev->xkey, str, sizeof(str), &keysym, NULL);
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Key.ScanCode = 0;
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Key.UnicodeChar = 0;
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switch (keysym) {
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case XK_Home: Key.ScanCode = SCAN_HOME; break;
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case XK_End: Key.ScanCode = SCAN_END; break;
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case XK_Left: Key.ScanCode = SCAN_LEFT; break;
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case XK_Right: Key.ScanCode = SCAN_RIGHT; break;
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case XK_Up: Key.ScanCode = SCAN_UP; break;
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case XK_Down: Key.ScanCode = SCAN_DOWN; break;
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case XK_Delete: Key.ScanCode = SCAN_DELETE; break;
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case XK_Insert: Key.ScanCode = SCAN_INSERT; break;
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case XK_Page_Up: Key.ScanCode = SCAN_PAGE_UP; break;
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case XK_Page_Down: Key.ScanCode = SCAN_PAGE_DOWN; break;
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case XK_Escape: Key.ScanCode = SCAN_ESC; break;
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case XK_F1: Key.ScanCode = SCAN_F1; break;
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case XK_F2: Key.ScanCode = SCAN_F2; break;
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case XK_F3: Key.ScanCode = SCAN_F3; break;
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case XK_F4: Key.ScanCode = SCAN_F4; break;
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case XK_F5: Key.ScanCode = SCAN_F5; break;
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case XK_F6: Key.ScanCode = SCAN_F6; break;
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case XK_F7: Key.ScanCode = SCAN_F7; break;
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case XK_F8: Key.ScanCode = SCAN_F8; break;
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case XK_F9: Key.ScanCode = SCAN_F9; break;
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default:
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if (res == 1) {
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Key.UnicodeChar = str[0];
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} else {
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return;
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}
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}
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drv->keys[drv->key_wr] = Key;
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drv->key_wr = (drv->key_wr + 1) % NBR_KEYS;
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drv->key_count++;
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}
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static void
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Redraw(UGA_IO_PRIVATE *drv, UINTN X, UINTN Y, UINTN Width, UINTN Height)
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{
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if (drv->use_shm)
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XShmPutImage (drv->display, drv->win, drv->gc, drv->image,
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X, Y, X, Y, Width, Height, False);
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else
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XPutImage (drv->display, drv->win, drv->gc, drv->image,
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X, Y, X, Y, Width, Height);
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}
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static void
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HandleEvent(UGA_IO_PRIVATE *drv, XEvent *ev)
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{
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switch (ev->type)
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{
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case Expose:
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Redraw(drv, ev->xexpose.x, ev->xexpose.y,
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ev->xexpose.width, ev->xexpose.height);
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break;
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case GraphicsExpose:
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Redraw(drv, ev->xgraphicsexpose.x, ev->xgraphicsexpose.y,
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ev->xgraphicsexpose.width, ev->xgraphicsexpose.height);
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break;
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case KeyPress:
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handleKeyEvent(drv, ev);
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break;
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case MappingNotify:
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XRefreshKeyboardMapping(&ev->xmapping);
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break;
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#if 0
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case DestroyNotify:
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XCloseDisplay (drv->display);
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exit (1);
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break;
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#endif
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case NoExpose:
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default:
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break;
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}
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}
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static void
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HandleEvents(UGA_IO_PRIVATE *drv)
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{
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while (XPending(drv->display) != 0)
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{
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XEvent ev;
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XNextEvent (drv->display, &ev);
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HandleEvent(drv, &ev);
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}
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}
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static
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unsigned long
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UgaPixelToColor (UGA_IO_PRIVATE *drv, EFI_UGA_PIXEL pixel)
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{
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return ((pixel.Red >> drv->r.csize) << drv->r.shift)
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| ((pixel.Green >> drv->g.csize) << drv->g.shift)
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| ((pixel.Blue >> drv->b.csize) << drv->b.shift);
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}
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static
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EFI_UGA_PIXEL
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UgaColorToPixel (UGA_IO_PRIVATE *drv, unsigned long val)
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{
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EFI_UGA_PIXEL res;
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/* FIXME: should round instead of truncate. */
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res.Red = (val >> drv->r.shift) << drv->r.csize;
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res.Green = (val >> drv->g.shift) << drv->g.csize;
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res.Blue = (val >> drv->b.shift) << drv->b.csize;
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return res;
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}
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static
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EFI_STATUS
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UgaCheckKey(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo)
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{
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UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
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HandleEvents(drv);
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if (drv->key_count != 0)
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return EFI_SUCCESS;
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else {
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/* EFI is certainly polling. Be CPU-friendly. */
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usleep (50000);
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return EFI_NOT_READY;
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}
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}
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static
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EFI_STATUS
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UgaGetKey(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo, EFI_INPUT_KEY *key)
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{
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UGA_IO_PRIVATE *drv = (UGA_IO_PRIVATE *)UgaIo;
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EFI_STATUS status;
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status = UgaCheckKey(UgaIo);
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if (status != EFI_SUCCESS)
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return status;
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*key = drv->keys[drv->key_rd];
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drv->key_rd = (drv->key_rd + 1) % NBR_KEYS;
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drv->key_count--;
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return EFI_SUCCESS;
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}
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EFI_STATUS
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UgaBlt(EFI_UNIX_UGA_IO_PROTOCOL *UgaIo,
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IN EFI_UGA_PIXEL *BltBuffer OPTIONAL,
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IN EFI_UGA_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta OPTIONAL
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)
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{
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UGA_IO_PRIVATE *Private = (UGA_IO_PRIVATE *)UgaIo;
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UINTN DstY;
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UINTN SrcY;
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UINTN DstX;
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UINTN SrcX;
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UINTN Index;
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EFI_UGA_PIXEL *Blt;
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UINT8 *Dst;
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UINT8 *Src;
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UINTN Nbr;
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unsigned long Color;
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//
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// Check bounds
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//
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if (BltOperation == EfiUgaVideoToBltBuffer
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|| BltOperation == EfiUgaVideoToVideo) {
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//
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// Source is Video.
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//
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if (SourceY + Height > Private->height) {
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return EFI_INVALID_PARAMETER;
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}
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if (SourceX + Width > Private->width) {
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return EFI_INVALID_PARAMETER;
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}
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}
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if (BltOperation == EfiUgaBltBufferToVideo
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|| BltOperation == EfiUgaVideoToVideo
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|| BltOperation == EfiUgaVideoFill) {
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//
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// Destination is Video
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//
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if (DestinationY + Height > Private->height) {
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return EFI_INVALID_PARAMETER;
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}
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if (DestinationX + Width > Private->width) {
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return EFI_INVALID_PARAMETER;
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}
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}
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switch (BltOperation) {
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case EfiUgaVideoToBltBuffer:
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Blt = BltBuffer;
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Delta -= Width * sizeof (EFI_UGA_PIXEL);
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for (SrcY = SourceY; SrcY < (Height + SourceY); SrcY++) {
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for (SrcX = SourceX; SrcX < (Width + SourceX); SrcX++) {
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*Blt++ = UgaColorToPixel(Private,
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XGetPixel(Private->image, SrcX, SrcY));
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}
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Blt = (EFI_UGA_PIXEL *) ((UINT8 *) Blt + Delta);
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}
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break;
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case EfiUgaBltBufferToVideo:
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Blt = BltBuffer;
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Delta -= Width * sizeof (EFI_UGA_PIXEL);
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for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {
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for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {
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XPutPixel(Private->image, DstX, DstY, UgaPixelToColor(Private, *Blt));
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Blt++;
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}
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Blt = (EFI_UGA_PIXEL *) ((UINT8 *) Blt + Delta);
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}
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break;
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case EfiUgaVideoToVideo:
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Dst = Private->image_data + (DestinationX << Private->pixel_shift)
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+ DestinationY * Private->line_bytes;
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Src = Private->image_data + (SourceX << Private->pixel_shift)
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+ SourceY * Private->line_bytes;
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Nbr = Width << Private->pixel_shift;
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if (DestinationY < SourceY) {
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for (Index = 0; Index < Height; Index++) {
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memcpy (Dst, Src, Nbr);
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Dst += Private->line_bytes;
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Src += Private->line_bytes;
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}
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}
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else {
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Dst += (Height - 1) * Private->line_bytes;
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Src += (Height - 1) * Private->line_bytes;
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for (Index = 0; Index < Height; Index++) {
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//
|
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// Source and Destination Y may be equal, therefore Dst and Src may
|
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// overlap.
|
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//
|
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memmove (Dst, Src, Nbr);
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Dst -= Private->line_bytes;
|
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Src -= Private->line_bytes;
|
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}
|
||||
}
|
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break;
|
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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);
|
||||
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 *)
|
||||
malloc (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,
|
||||
BlackPixel (drv->display, drv->screen),
|
||||
WhitePixel (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;
|
||||
}
|
||||
Reference in New Issue
Block a user