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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/Xext/Xxf86dga/XF86DGA.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/Xext/Xxf86dga/XF86DGA.c716
1 files changed, 0 insertions, 716 deletions
diff --git a/distrib/sdl-1.2.12/src/video/Xext/Xxf86dga/XF86DGA.c b/distrib/sdl-1.2.12/src/video/Xext/Xxf86dga/XF86DGA.c
deleted file mode 100644
index 34abbb0..0000000
--- a/distrib/sdl-1.2.12/src/video/Xext/Xxf86dga/XF86DGA.c
+++ /dev/null
@@ -1,716 +0,0 @@
-/* $XFree86: xc/lib/Xxf86dga/XF86DGA.c,v 3.19 2001/08/18 02:41:30 dawes Exp $ */
-/*
-
-Copyright (c) 1995 Jon Tombs
-Copyright (c) 1995,1996 The XFree86 Project, Inc
-
-*/
-
-/* THIS IS NOT AN X CONSORTIUM STANDARD */
-
-#ifdef __EMX__ /* needed here to override certain constants in X headers */
-#define INCL_DOS
-#define INCL_DOSIOCTL
-#include <os2.h>
-#endif
-
-#if defined(linux)
-#define HAS_MMAP_ANON
-#include <sys/types.h>
-#include <sys/mman.h>
-/*#include <asm/page.h>*/ /* PAGE_SIZE */
-#define HAS_SC_PAGESIZE /* _SC_PAGESIZE may be an enum for Linux */
-#define HAS_GETPAGESIZE
-#endif /* linux */
-
-#if defined(CSRG_BASED)
-#define HAS_MMAP_ANON
-#define HAS_GETPAGESIZE
-#include <sys/types.h>
-#include <sys/mman.h>
-#endif /* CSRG_BASED */
-
-#if defined(DGUX)
-#define HAS_GETPAGESIZE
-#define MMAP_DEV_ZERO
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#endif /* DGUX */
-
-#if defined(SVR4) && !defined(DGUX)
-#define MMAP_DEV_ZERO
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#endif /* SVR4 && !DGUX */
-
-#if defined(sun) && !defined(SVR4) /* SunOS */
-#define MMAP_DEV_ZERO /* doesn't SunOS have MAP_ANON ?? */
-#define HAS_GETPAGESIZE
-#include <sys/types.h>
-#include <sys/mman.h>
-#endif /* sun && !SVR4 */
-
-#ifdef XNO_SYSCONF
-#undef _SC_PAGESIZE
-#endif
-
-#define NEED_EVENTS
-#define NEED_REPLIES
-
-#include <X11/Xlibint.h>
-#include "../extensions/xf86dga.h"
-#include "../extensions/xf86dgastr.h"
-#include "../extensions/Xext.h"
-#include "../extensions/extutil.h"
-
-extern XExtDisplayInfo* SDL_NAME(xdga_find_display)(Display*);
-extern char *SDL_NAME(xdga_extension_name);
-
-#define XF86DGACheckExtension(dpy,i,val) \
- XextCheckExtension (dpy, i, SDL_NAME(xdga_extension_name), val)
-
-/*****************************************************************************
- * *
- * public XFree86-DGA Extension routines *
- * *
- *****************************************************************************/
-
-Bool SDL_NAME(XF86DGAQueryExtension) (
- Display *dpy,
- int *event_basep,
- int *error_basep
-){
- return SDL_NAME(XDGAQueryExtension)(dpy, event_basep, error_basep);
-}
-
-Bool SDL_NAME(XF86DGAQueryVersion)(
- Display* dpy,
- int* majorVersion,
- int* minorVersion
-){
- return SDL_NAME(XDGAQueryVersion)(dpy, majorVersion, minorVersion);
-}
-
-Bool SDL_NAME(XF86DGAGetVideoLL)(
- Display* dpy,
- int screen,
- int *offset,
- int *width,
- int *bank_size,
- int *ram_size
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGAGetVideoLLReply rep;
- xXF86DGAGetVideoLLReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGAGetVideoLL, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGAGetVideoLL;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
-
- *offset = /*(char *)*/rep.offset;
- *width = rep.width;
- *bank_size = rep.bank_size;
- *ram_size = rep.ram_size;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-
-Bool SDL_NAME(XF86DGADirectVideoLL)(
- Display* dpy,
- int screen,
- int enable
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGADirectVideoReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGADirectVideo, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGADirectVideo;
- req->screen = screen;
- req->enable = enable;
- UnlockDisplay(dpy);
- SyncHandle();
- XSync(dpy,False);
- return True;
-}
-
-Bool SDL_NAME(XF86DGAGetViewPortSize)(
- Display* dpy,
- int screen,
- int *width,
- int *height
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGAGetViewPortSizeReply rep;
- xXF86DGAGetViewPortSizeReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGAGetViewPortSize, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGAGetViewPortSize;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
-
- *width = rep.width;
- *height = rep.height;
-
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-
-Bool SDL_NAME(XF86DGASetViewPort)(
- Display* dpy,
- int screen,
- int x,
- int y
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGASetViewPortReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGASetViewPort, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGASetViewPort;
- req->screen = screen;
- req->x = x;
- req->y = y;
- UnlockDisplay(dpy);
- SyncHandle();
- XSync(dpy,False);
- return True;
-}
-
-
-Bool SDL_NAME(XF86DGAGetVidPage)(
- Display* dpy,
- int screen,
- int *vpage
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGAGetVidPageReply rep;
- xXF86DGAGetVidPageReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGAGetVidPage, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGAGetVidPage;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
-
- *vpage = rep.vpage;
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-
-Bool SDL_NAME(XF86DGASetVidPage)(
- Display* dpy,
- int screen,
- int vpage
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGASetVidPageReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGASetVidPage, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGASetVidPage;
- req->screen = screen;
- req->vpage = vpage;
- UnlockDisplay(dpy);
- SyncHandle();
- XSync(dpy,False);
- return True;
-}
-
-Bool SDL_NAME(XF86DGAInstallColormap)(
- Display* dpy,
- int screen,
- Colormap cmap
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGAInstallColormapReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGAInstallColormap, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGAInstallColormap;
- req->screen = screen;
- req->id = cmap;
- UnlockDisplay(dpy);
- SyncHandle();
- XSync(dpy,False);
- return True;
-}
-
-Bool SDL_NAME(XF86DGAQueryDirectVideo)(
- Display *dpy,
- int screen,
- int *flags
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGAQueryDirectVideoReply rep;
- xXF86DGAQueryDirectVideoReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGAQueryDirectVideo, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGAQueryDirectVideo;
- req->screen = screen;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
- *flags = rep.flags;
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-Bool SDL_NAME(XF86DGAViewPortChanged)(
- Display *dpy,
- int screen,
- int n
-){
- XExtDisplayInfo *info = SDL_NAME(xdga_find_display) (dpy);
- xXF86DGAViewPortChangedReply rep;
- xXF86DGAViewPortChangedReq *req;
-
- XF86DGACheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(XF86DGAViewPortChanged, req);
- req->reqType = info->codes->major_opcode;
- req->dgaReqType = X_XF86DGAViewPortChanged;
- req->screen = screen;
- req->n = n;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
- UnlockDisplay(dpy);
- SyncHandle();
- return rep.result;
-}
-
-
-
-/* Helper functions */
-
-#include <X11/Xmd.h>
-#include "../extensions/xf86dga.h"
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#if defined(ISC)
-# define HAS_SVR3_MMAP
-# include <sys/types.h>
-# include <errno.h>
-
-# include <sys/at_ansi.h>
-# include <sys/kd.h>
-
-# include <sys/sysmacros.h>
-# include <sys/immu.h>
-# include <sys/region.h>
-
-# include <sys/mmap.h>
-#else
-# if !defined(Lynx)
-# if !defined(__EMX__)
-# include <sys/mman.h>
-# endif
-# else
-# include <sys/types.h>
-# include <errno.h>
-# include <smem.h>
-# endif
-#endif
-#include <sys/wait.h>
-#include <signal.h>
-#include <unistd.h>
-
-#if defined(SVR4) && !defined(sun) && !defined(SCO325)
-#define DEV_MEM "/dev/pmem"
-#elif defined(SVR4) && defined(sun)
-#define DEV_MEM "/dev/xsvc"
-#else
-#define DEV_MEM "/dev/mem"
-#endif
-
-typedef struct {
- unsigned long physaddr; /* actual requested physical address */
- unsigned long size; /* actual requested map size */
- unsigned long delta; /* delta to account for page alignment */
- void * vaddr; /* mapped address, without the delta */
- int refcount; /* reference count */
-} MapRec, *MapPtr;
-
-typedef struct {
- Display * display;
- int screen;
- MapPtr map;
-} ScrRec, *ScrPtr;
-
-static int mapFd = -1;
-static int numMaps = 0;
-static int numScrs = 0;
-static MapPtr *mapList = NULL;
-static ScrPtr *scrList = NULL;
-
-static MapPtr
-AddMap(void)
-{
- MapPtr *old;
-
- old = mapList;
- mapList = realloc(mapList, sizeof(MapPtr) * (numMaps + 1));
- if (!mapList) {
- mapList = old;
- return NULL;
- }
- mapList[numMaps] = malloc(sizeof(MapRec));
- if (!mapList[numMaps])
- return NULL;
- return mapList[numMaps++];
-}
-
-static ScrPtr
-AddScr(void)
-{
- ScrPtr *old;
-
- old = scrList;
- scrList = realloc(scrList, sizeof(ScrPtr) * (numScrs + 1));
- if (!scrList) {
- scrList = old;
- return NULL;
- }
- scrList[numScrs] = malloc(sizeof(ScrRec));
- if (!scrList[numScrs])
- return NULL;
- return scrList[numScrs++];
-}
-
-static MapPtr
-FindMap(unsigned long address, unsigned long size)
-{
- int i;
-
- for (i = 0; i < numMaps; i++) {
- if (mapList[i]->physaddr == address &&
- mapList[i]->size == size)
- return mapList[i];
- }
- return NULL;
-}
-
-static ScrPtr
-FindScr(Display *display, int screen)
-{
- int i;
-
- for (i = 0; i < numScrs; i++) {
- if (scrList[i]->display == display &&
- scrList[i]->screen == screen)
- return scrList[i];
- }
- return NULL;
-}
-
-static void *
-MapPhysAddress(unsigned long address, unsigned long size)
-{
- unsigned long offset, delta;
- int pagesize = -1;
- void *vaddr;
- MapPtr mp;
-#if defined(ISC) && defined(HAS_SVR3_MMAP)
- struct kd_memloc mloc;
-#elif defined(__EMX__)
- APIRET rc;
- ULONG action;
- HFILE hfd;
-#endif
-
- if ((mp = FindMap(address, size))) {
- mp->refcount++;
- return (void *)((unsigned long)mp->vaddr + mp->delta);
- }
-
-#if defined(_SC_PAGESIZE) && defined(HAS_SC_PAGESIZE)
- pagesize = sysconf(_SC_PAGESIZE);
-#endif
-#ifdef _SC_PAGE_SIZE
- if (pagesize == -1)
- pagesize = sysconf(_SC_PAGE_SIZE);
-#endif
-#ifdef HAS_GETPAGESIZE
- if (pagesize == -1)
- pagesize = getpagesize();
-#endif
-#ifdef PAGE_SIZE
- if (pagesize == -1)
- pagesize = PAGE_SIZE;
-#endif
- if (pagesize == -1)
- pagesize = 4096;
-
- delta = address % pagesize;
- offset = address - delta;
-
-#if defined(ISC) && defined(HAS_SVR3_MMAP)
- if (mapFd < 0) {
- if ((mapFd = open("/dev/mmap", O_RDWR)) < 0)
- return NULL;
- }
- mloc.vaddr = (char *)0;
- mloc.physaddr = (char *)offset;
- mloc.length = size + delta;
- mloc.ioflg=1;
-
- if ((vaddr = (void *)ioctl(mapFd, MAP, &mloc)) == (void *)-1)
- return NULL;
-#elif defined (__EMX__)
- /*
- * Dragon warning here! /dev/pmap$ is never closed, except on progam exit.
- * Consecutive calling of this routine will make PMAP$ driver run out
- * of memory handles. Some umap/close mechanism should be provided
- */
-
- rc = DosOpen("/dev/pmap$", &hfd, &action, 0, FILE_NORMAL, FILE_OPEN,
- OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE, (PEAOP2)NULL);
- if (rc != 0)
- return NULL;
- {
- struct map_ioctl {
- union {
- ULONG phys;
- void* user;
- } a;
- ULONG size;
- } pmap,dmap;
- ULONG plen,dlen;
-#define XFREE86_PMAP 0x76
-#define PMAP_MAP 0x44
-
- pmap.a.phys = offset;
- pmap.size = size + delta;
- rc = DosDevIOCtl(hfd, XFREE86_PMAP, PMAP_MAP,
- (PULONG)&pmap, sizeof(pmap), &plen,
- (PULONG)&dmap, sizeof(dmap), &dlen);
- if (rc == 0) {
- vaddr = dmap.a.user;
- }
- }
- if (rc != 0)
- return NULL;
-#elif defined (Lynx)
- vaddr = (void *)smem_create("XF86DGA", (char *)offset,
- size + delta, SM_READ|SM_WRITE);
-#else
-#ifndef MAP_FILE
-#define MAP_FILE 0
-#endif
- if (mapFd < 0) {
- if ((mapFd = open(DEV_MEM, O_RDWR)) < 0)
- return NULL;
- }
- vaddr = (void *)mmap(NULL, size + delta, PROT_READ | PROT_WRITE,
- MAP_FILE | MAP_SHARED, mapFd, (off_t)offset);
- if (vaddr == (void *)-1)
- return NULL;
-#endif
-
- if (!vaddr) {
- if (!(mp = AddMap()))
- return NULL;
- mp->physaddr = address;
- mp->size = size;
- mp->delta = delta;
- mp->vaddr = vaddr;
- mp->refcount = 1;
- }
- return (void *)((unsigned long)vaddr + delta);
-}
-
-/*
- * Still need to find a clean way of detecting the death of a DGA app
- * and returning things to normal - Jon
- * This is here to help debugging without rebooting... Also C-A-BS
- * should restore text mode.
- */
-
-int
-SDL_NAME(XF86DGAForkApp)(int screen)
-{
- pid_t pid;
- int status;
- int i;
-
- /* fork the app, parent hangs around to clean up */
- if ((pid = fork()) > 0) {
- ScrPtr sp;
-
- waitpid(pid, &status, 0);
- for (i = 0; i < numScrs; i++) {
- sp = scrList[i];
- SDL_NAME(XF86DGADirectVideoLL)(sp->display, sp->screen, 0);
- XSync(sp->display, False);
- }
- if (WIFEXITED(status))
- exit(0);
- else
- exit(-1);
- }
- return pid;
-}
-
-
-Bool
-SDL_NAME(XF86DGADirectVideo)(
- Display *dis,
- int screen,
- int enable
-){
- ScrPtr sp;
- MapPtr mp = NULL;
-
- if ((sp = FindScr(dis, screen)))
- mp = sp->map;
-
- if (enable & XF86DGADirectGraphics) {
-#if !defined(ISC) && !defined(HAS_SVR3_MMAP) && !defined(Lynx) \
- && !defined(__EMX__)
- if (mp && mp->vaddr)
- mprotect(mp->vaddr, mp->size + mp->delta, PROT_READ | PROT_WRITE);
-#endif
- } else {
-#if !defined(ISC) && !defined(HAS_SVR3_MMAP) && !defined(Lynx) \
- && !defined(__EMX__)
- if (mp && mp->vaddr)
- mprotect(mp->vaddr, mp->size + mp->delta, PROT_READ);
-#elif defined(Lynx)
- /* XXX this doesn't allow enable after disable */
- smem_create(NULL, mp->vaddr, mp->size + mp->delta, SM_DETACH);
- smem_remove("XF86DGA");
-#endif
- }
-
- SDL_NAME(XF86DGADirectVideoLL)(dis, screen, enable);
- return 1;
-}
-
-
-static void
-XF86cleanup(int sig)
-{
- ScrPtr sp;
- int i;
- static char beenhere = 0;
-
- if (beenhere)
- exit(3);
- beenhere = 1;
-
- for (i = 0; i < numScrs; i++) {
- sp = scrList[i];
- SDL_NAME(XF86DGADirectVideo)(sp->display, sp->screen, 0);
- XSync(sp->display, False);
- }
- exit(3);
-}
-
-Bool
-SDL_NAME(XF86DGAGetVideo)(
- Display *dis,
- int screen,
- char **addr,
- int *width,
- int *bank,
- int *ram
-){
- /*unsigned long*/ int offset;
- static int beenHere = 0;
- ScrPtr sp;
- MapPtr mp;
-
- if (!(sp = FindScr(dis, screen))) {
- if (!(sp = AddScr())) {
- fprintf(stderr, "XF86DGAGetVideo: malloc failure\n");
- exit(-2);
- }
- sp->display = dis;
- sp->screen = screen;
- sp->map = NULL;
- }
-
- SDL_NAME(XF86DGAGetVideoLL)(dis, screen , &offset, width, bank, ram);
-
- *addr = MapPhysAddress(offset, *bank);
- if (*addr == NULL) {
- fprintf(stderr, "XF86DGAGetVideo: failed to map video memory (%s)\n",
- strerror(errno));
- exit(-2);
- }
-
- if ((mp = FindMap(offset, *bank)))
- sp->map = mp;
-
- if (!beenHere) {
- beenHere = 1;
- atexit((void(*)(void))XF86cleanup);
- /* one shot XF86cleanup attempts */
- signal(SIGSEGV, XF86cleanup);
-#ifdef SIGBUS
- signal(SIGBUS, XF86cleanup);
-#endif
- signal(SIGHUP, XF86cleanup);
- signal(SIGFPE, XF86cleanup);
- }
-
- return 1;
-}
-
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