dri1: Remove "buffers" from the config logic

This was only ever used from the glint driver, which has since lost its
DRI support.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

hw/xfree86/common/xf86Config.c

@@ -2211,15 +2211,11 @@ configDevice(GDevPtr devicep, XF86ConfDevicePtr conf_device, Bool active)
 static void
 configDRI(XF86ConfDRIPtr drip)
 {
-    int                count = 0;
-    XF86ConfBuffersPtr bufs;
     int                i;
     struct group       *grp;
 
     xf86ConfigDRI.group      = -1;
     xf86ConfigDRI.mode       = 0;
-    xf86ConfigDRI.bufs_count = 0;
-    xf86ConfigDRI.bufs       = NULL;
 
     if (drip) {
 	if (drip->dri_group_name) {
@@ -2230,24 +2226,6 @@ configDRI(XF86ConfDRIPtr drip)
 		xf86ConfigDRI.group = drip->dri_group;
 	}
 	xf86ConfigDRI.mode = drip->dri_mode;
-	for (bufs = drip->dri_buffers_lst; bufs; bufs = bufs->list.next)
-	    ++count;
-	
-	xf86ConfigDRI.bufs_count = count;
-	xf86ConfigDRI.bufs = xnfalloc(count * sizeof(*xf86ConfigDRI.bufs));
-	
-	for (i = 0, bufs = drip->dri_buffers_lst;
-	     i < count;
-	     i++, bufs = bufs->list.next) {
-	    
-	    xf86ConfigDRI.bufs[i].count = bufs->buf_count;
-	    xf86ConfigDRI.bufs[i].size  = bufs->buf_size;
-				/* FIXME: Flags not implemented.  These
-                                   could be used, for example, to specify a
-                                   contiguous block and/or write-combining
-                                   cache policy. */
-	    xf86ConfigDRI.bufs[i].flags = 0;
-	}
     }
 }
 #endif

hw/xfree86/parser/DRI.c

@@ -41,58 +41,10 @@ static xf86ConfigSymTabRec DRITab[] =
 {
     {ENDSECTION, "endsection"},
     {GROUP,      "group"},
-    {BUFFERS,    "buffers"},
     {MODE,       "mode"},
     {-1,         ""},
 };
 
-#define CLEANUP xf86freeBuffersList
-
-static void
-xf86freeBuffersList (XF86ConfBuffersPtr ptr)
-{
-    XF86ConfBuffersPtr prev;
-
-    while (ptr) {
-	TestFree (ptr->buf_flags);
-	TestFree (ptr->buf_comment);
-	prev = ptr;
-	ptr  = ptr->list.next;
-	free (prev);
-    }
-}
-
-static XF86ConfBuffersPtr
-xf86parseBuffers (void)
-{
-    int token;
-    parsePrologue (XF86ConfBuffersPtr, XF86ConfBuffersRec)
-
-    if (xf86getSubToken (&(ptr->buf_comment)) != NUMBER)
-	Error ("Buffers count expected", NULL);
-    ptr->buf_count = val.num;
-
-    if (xf86getSubToken (&(ptr->buf_comment)) != NUMBER)
-	Error ("Buffers size expected", NULL);
-    ptr->buf_size = val.num;
-
-    if ((token = xf86getSubToken (&(ptr->buf_comment))) == STRING) {
-	ptr->buf_flags = val.str;
-	if ((token = xf86getToken (NULL)) == COMMENT)
-	    ptr->buf_comment = xf86addComment(ptr->buf_comment, val.str);
-	else
-	    xf86unGetToken(token);
-    }
-
-#ifdef DEBUG
-    printf ("Buffers parsed\n");
-#endif
-
-    return ptr;
-}
-
-#undef CLEANUP
-	
 #define CLEANUP xf86freeDRI
 
 XF86ConfDRIPtr
@@ -121,10 +73,6 @@ xf86parseDRISection (void)
                     Error (MUST_BE_OCTAL_MSG, val.num);
 		ptr->dri_mode = val.num;
 		break;
-	    case BUFFERS:
-		HANDLE_LIST (dri_buffers_lst, xf86parseBuffers,
-			     XF86ConfBuffersPtr);
-		break;
 	    case EOF_TOKEN:
 		Error (UNEXPECTED_EOF_MSG, NULL);
 		break;
@@ -149,8 +97,6 @@ xf86parseDRISection (void)
 void
 xf86printDRISection (FILE * cf, XF86ConfDRIPtr ptr)
 {
-    XF86ConfBuffersPtr bufs;
-    
     if (ptr == NULL)
 	return;
     
@@ -163,15 +109,6 @@ xf86printDRISection (FILE * cf, XF86ConfDRIPtr ptr)
 	fprintf (cf, "\tGroup        %d\n", ptr->dri_group);
     if (ptr->dri_mode)
 	fprintf (cf, "\tMode         0%o\n", ptr->dri_mode);
-    for (bufs = ptr->dri_buffers_lst; bufs; bufs = bufs->list.next) {
-	fprintf (cf, "\tBuffers      %d %d",
-		 bufs->buf_count, bufs->buf_size);
-	if (bufs->buf_flags) fprintf (cf, " \"%s\"", bufs->buf_flags);
-	if (bufs->buf_comment)
-	    fprintf(cf, "%s", bufs->buf_comment);
-	else
-	    fprintf (cf, "\n");
-    }
     fprintf (cf, "EndSection\n\n");
 }
 
@@ -181,7 +118,6 @@ xf86freeDRI (XF86ConfDRIPtr ptr)
     if (ptr == NULL)
 	return;
     
-    xf86freeBuffersList (ptr->dri_buffers_lst);
     TestFree (ptr->dri_comment);
     free (ptr);
 }

hw/xfree86/parser/xf86Parser.h

@@ -440,22 +440,11 @@ typedef struct
 }
 XF86ConfVendorRec, *XF86ConfVendorPtr;
 
-typedef struct
-{
-	GenericListRec list;
-	int buf_count;
-	int buf_size;
-	char *buf_flags;
-	char *buf_comment;
-}
-XF86ConfBuffersRec, *XF86ConfBuffersPtr;
-
 typedef struct
 {
 	char *dri_group_name;
 	int dri_group;
 	int dri_mode;
-	XF86ConfBuffersPtr dri_buffers_lst;
 	char *dri_comment;
 }
 XF86ConfDRIRec, *XF86ConfDRIPtr;

hw/xfree86/parser/xf86tokens.h

@@ -273,7 +273,6 @@ typedef enum {
 
     /* DRI Tokens */
     GROUP,
-    BUFFERS,
 
     /* InputClass Tokens */
     MATCH_PRODUCT,