1 /* lot's of code c&p-ed directly from mupdf */
16 /* fugly as hell and GCC specific but... */
18 #define GL_GLEXT_PROTOTYPES
24 #include <caml/fail.h>
25 #include <caml/alloc.h>
26 #include <caml/memory.h>
27 #include <caml/unixsupport.h>
29 #include "fitz/fitz.h"
30 #include "mupdf/mupdf.h"
33 #define lprintf printf
38 #define ARSERT(cond) for (;;) { \
40 errx (1, "%s:%d " #cond, __FILE__, __LINE__); \
56 struct pagedim
*pagedim
;
58 struct slice slices
[];
72 struct pagedim
*pagedims
;
94 static void *parse_pointer (const char *cap
, const char *s
)
99 ret
= sscanf (s
, "%p", &ptr
);
101 errx (1, "%s: cannot parse pointer in `%s'", cap
, s
);
106 static int hasdata (int sock
)
113 ret
= poll (&pfd
, 1, 0);
120 return pfd
.revents
& POLLIN
;
123 static double now (void)
127 if (gettimeofday (&tv
, NULL
)) {
128 err (1, "gettimeofday");
130 return tv
.tv_sec
+ tv
.tv_usec
*1e-6;
133 static void readdata (int fd
, char *p
, int size
)
137 n
= read (fd
, p
, size
);
139 err (1, "read (req %d, ret %zd)", size
, n
);
143 static void writedata (int fd
, char *p
, int size
)
148 buf
[0] = (size
>> 24) & 0xff;
149 buf
[1] = (size
>> 16) & 0xff;
150 buf
[2] = (size
>> 8) & 0xff;
151 buf
[3] = (size
>> 0) & 0xff;
153 n
= write (fd
, buf
, 4);
155 err (1, "write %zd", n
);
158 n
= write (fd
, p
, size
);
160 err (1, "write (req %d, ret %zd)", size
, n
);
164 static void __attribute__ ((format (printf
, 2, 3)))
165 printd (int fd
, const char *fmt
, ...)
172 len
= vsnprintf (buf
, sizeof (buf
), fmt
, ap
);
174 writedata (fd
, buf
, len
);
177 static void die (fz_error error
)
179 fz_catch (error
, "aborting");
180 pdf_closexref (state
.xref
);
184 void openxref (char *filename
)
189 fd
= open (filename
, O_BINARY
| O_RDONLY
, 0666);
191 die (fz_throw ("cannot open file '%s'", filename
));
193 file
= fz_openfile (fd
);
194 state
.xref
= pdf_openxref (file
);
196 die (fz_throw ("cannot open PDF file '%s'", filename
));
197 fz_dropstream (file
);
199 if (pdf_needspassword (state
.xref
)) {
200 die (fz_throw ("password protected"));
202 state
.pagecount
= pdf_getpagecount (state
.xref
);
205 static int readlen (int fd
)
212 err (1, "read %zd", n
);
215 return (p
[0] << 24) | (p
[1] << 16) | (p
[2] << 8) | p
[3];
218 static void freepage (struct page
*page
)
223 fz_droppixmap (page
->pixmap
);
224 for (p
= state
.pages
; p
; p
= p
->prev
) {
225 if (p
->prev
== page
) {
226 p
->prev
= page
->prev
;
230 for (i
= 0; i
< page
->slicecount
; ++i
) {
231 struct slice
*s
= &page
->slices
[i
];
232 if (s
->texindex
!= -1) {
233 if (state
.texowners
[s
->texindex
].slice
== s
) {
234 state
.texowners
[s
->texindex
].slice
= NULL
;
235 ARSERT (state
.texowners
[s
->texindex
].w
== s
->w
);
236 ARSERT (state
.texowners
[s
->texindex
].h
>= s
->h
);
241 fz_freetextspan (page
->text
);
243 if (page
->drawpage
) {
244 pdf_droppage (page
->drawpage
);
249 static void subdivide (struct page
*p
)
252 int h
= p
->pixmap
->h
;
253 int th
= MIN (h
, state
.sliceheight
);
255 for (i
= 0; i
< p
->slicecount
; ++i
) {
256 struct slice
*s
= &p
->slices
[i
];
264 static void *render (int pageno
, int pindex
)
272 fz_displaylist
*list
;
273 fz_device
*idev
, *mdev
;
274 struct pagedim
*pagedim
;
277 /* printd (state.sock, "T \"rendering %d\"", pageno); */
278 pdf_flushxref (state
.xref
, 0);
279 pagedim
= &state
.pagedims
[pindex
];
280 slicecount
= (pagedim
->bbox
.y1
- pagedim
->bbox
.y0
281 + state
.sliceheight
- 1) / state
.sliceheight
;
282 slicecount
+= slicecount
== 0;
284 page
= calloc (sizeof (*page
)
285 + (slicecount
* sizeof (struct slice
)), 1);
287 err (1, "calloc page %d\n", pageno
);
289 page
->slicecount
= slicecount
;
290 page
->prev
= state
.pages
;
293 pageobj
= pdf_getpageobject (state
.xref
, pageno
);
295 die (fz_throw ("cannot retrieve info from page %d", pageno
));
297 error
= pdf_loadpage (&drawpage
, state
.xref
, pageobj
);
301 page
->pixmap
= fz_newpixmapwithrect (pdf_devicergb
, pagedim
->bbox
);
304 fz_clearpixmap (page
->pixmap
, 0xFF);
306 list
= fz_newdisplaylist ();
308 die (fz_throw ("fz_newdisplaylist failed"));
310 mdev
= fz_newlistdevice (list
);
311 error
= pdf_runcontentstream (mdev
, fz_identity (), state
.xref
,
316 fz_freedevice (mdev
);
318 idev
= fz_newdrawdevice (state
.cache
, page
->pixmap
);
320 die (fz_throw ("fz_newdrawdevice failed"));
321 fz_executedisplaylist (list
, idev
, pagedim
->ctm
);
322 fz_freedevice (idev
);
324 fz_freedisplaylist (list
);
326 page
->drawpage
= drawpage
;
327 page
->pagedim
= pagedim
;
328 page
->pageno
= pageno
;
332 /* printd (state.sock, "T \"rendering %d took %f sec\"", pageno, end - start); */
336 static void layout (void)
352 printd (state
.sock
, "c");
353 for (pageno
= 1; pageno
<= state
.pagecount
; ++pageno
) {
364 if (!(pageno
& 31)) {
369 printd (state
.sock
, "T \"processing page %d %f\"", pageno
, d
- c
);
372 pageobj
= pdf_getpageobject (state
.xref
, pageno
);
374 die (fz_throw ("cannot retrieve info from page %d", pageno
));
376 obj
= fz_dictgets (pageobj
, "CropBox");
377 if (!fz_isarray (obj
)) {
378 obj
= fz_dictgets (pageobj
, "MediaBox");
379 if (!fz_isarray (obj
))
380 die (fz_throw ("cannot find page bounds %d (%d R)",
381 fz_tonum (obj
), fz_togen (obj
)));
383 box
= pdf_torect (obj
);
384 obj
= fz_dictgets (pageobj
, "Rotate");
386 rotate
= fz_toint (obj
);
391 && (prevrotate
== rotate
392 && !memcmp (&prevbox
, &box
, sizeof (box
)))) {
396 memcpy (&prevbox
, &box
, sizeof (box
));
399 box
.x0
= MIN (prevbox
.x0
, prevbox
.x1
);
400 box
.y0
= MIN (prevbox
.y0
, prevbox
.y1
);
401 box
.x1
= MAX (prevbox
.x0
, prevbox
.x1
);
402 box
.y1
= MAX (prevbox
.y0
, prevbox
.y1
);
404 ctm
= fz_identity ();
405 ctm
= fz_concat (ctm
, fz_translate (0, -box
.y1
));
406 ctm
= fz_concat (ctm
, fz_rotate (rotate
));
407 box2
= fz_transformrect (ctm
, box
);
408 w
= box2
.x1
- box2
.x0
;
410 zoom
= (state
.w
/ w
);
411 ctm
= fz_identity ();
412 ctm
= fz_concat (ctm
, fz_translate (0, -box
.y1
));
413 ctm
= fz_concat (ctm
, fz_scale (zoom
, -zoom
));
414 ctm
= fz_concat (ctm
, fz_rotate (rotate
));
415 bbox
= fz_roundrect (fz_transformrect (ctm
, box
));
417 size
+= sizeof (*state
.pagedims
);
418 state
.pagedims
= caml_stat_resize (state
.pagedims
, size
);
420 p
= &state
.pagedims
[pindex
++];
421 memcpy (&p
->bbox
, &bbox
, sizeof (bbox
));
422 memcpy (&p
->ctm
, &ctm
, sizeof (ctm
));
424 p
->pageno
= pageno
- 1;
427 state
.pagedimcount
= pindex
;
428 for (i
= pindex
- 1; i
>= 0; --i
) {
429 p
= &state
.pagedims
[i
];
430 printd (state
.sock
, "l %d %d %d",
431 p
->pageno
, p
->bbox
.x1
- p
->bbox
.x0
, p
->bbox
.y1
- p
->bbox
.y0
);
435 printd (state
.sock
, "T \"Processed %d pages in %f secons\"",
436 state
.pagecount
, b
- a
);
437 printd (state
.sock
, "C %d", state
.pagecount
);
440 /* wishful thinking function */
441 static void search (regex_t
*re
, int pageno
, int y
, int forward
)
451 fz_textspan
*text
, *span
;
452 struct pagedim
*pdim
, *pdimprev
;
458 while (pageno
>= 0 && pageno
< state
.pagecount
&& !stop
) {
461 if (hasdata (state
.sock
)) {
462 printd (state
.sock
, "T \"attention requested aborting search at %d\"",
467 printd (state
.sock
, "T \"searching in page %d\"", pageno
);
471 for (i
= 0; i
< state
.pagedimcount
; ++i
) {
472 pdim
= &state
.pagedims
[i
];
473 if (pdim
->pageno
== pageno
) {
476 if (pdim
->pageno
> pageno
) {
485 pageobj
= pdf_getpageobject (state
.xref
, pageno
+ 1);
487 die (fz_throw ("cannot retrieve info from page %d", pageno
));
489 error
= pdf_loadpage (&drawpage
, state
.xref
, pageobj
);
493 text
= fz_newtextspan ();
494 tdev
= fz_newtextdevice (text
);
495 error
= pdf_runcontentstream (tdev
, pdim
->ctm
, state
.xref
,
498 if (error
) die (error
);
499 fz_freedevice (tdev
);
501 for (span
= text
; span
; span
= span
->next
) {
505 /* XXX: spans are not sorted "visually" */
506 for (i
= 0; i
< MIN (span
->len
, sizeof (buf
) - 1); ++i
) {
508 if (span
->text
[i
].bbox
.y0
< y
+ 1) {
513 if (span
->text
[i
].bbox
.y0
> y
- 1) {
517 if (span
->text
[i
].c
< 256) {
518 *p
++ = span
->text
[i
].c
;
529 ret
= regexec (re
, buf
, 1, &rm
, 0);
531 if (ret
!= REG_NOMATCH
) {
534 size
= regerror (ret
, re
, errbuf
, sizeof (errbuf
));
536 "T \"regexec error `%.*s'\"",
543 r
.x0
= span
->text
[rm
.rm_so
].bbox
.x0
- pdim
->bbox
.x0
;
544 r
.y0
= span
->text
[rm
.rm_so
].bbox
.y0
;
545 r
.x1
= span
->text
[rm
.rm_eo
- 1].bbox
.x1
- pdim
->bbox
.x0
;
546 r
.y1
= span
->text
[rm
.rm_eo
- 1].bbox
.y1
;
549 printd (state
.sock
, "F %d %d %f %f %f %f",
555 printd (state
.sock
, "R %d %d %f %f %f %f",
560 printd (state
.sock
, "T \"found at %d `%.*s' %f in %f sec\"",
561 pageno
, rm
.rm_eo
- rm
.rm_so
, &buf
[rm
.rm_so
],
562 span
->text
[0].bbox
.y0
- drawpage
->mediabox
.y0
,
575 fz_freetextspan (text
);
576 pdf_droppage (drawpage
);
580 printd (state
.sock
, "T \"no matches %f sec\"", end
- start
);
582 printd (state
.sock
, "d");
585 static void *mainloop (void *unused
)
588 int len
, ret
, oldlen
= 0;
591 len
= readlen (state
.sock
);
593 errx (1, "readlen returned 0");
596 if (oldlen
< len
+ 1) {
597 p
= realloc (p
, len
+ 1);
599 err (1, "realloc %d failed", len
+ 1);
603 readdata (state
.sock
, p
, len
);
606 if (!strncmp ("open", p
, 4)) {
607 char *filename
= p
+ 5;
611 else if (!strncmp ("free", p
, 4)) {
614 ret
= sscanf (p
+ 4, " %p", &ptr
);
616 errx (1, "malformed free `%.*s' ret=%d", len
, p
, ret
);
619 printd (state
.sock
, "f");
621 else if (!strncmp ("search", p
, 6)) {
622 int icase
, pageno
, y
, ret
, len2
, forward
;
626 ret
= sscanf (p
+ 6, " %d %d %d %d %n",
627 &icase
, &pageno
, &y
, &forward
, &len2
);
629 errx (1, "malformed search `%s' ret=%d", p
, ret
);
632 pattern
= p
+ 6 + len2
;
633 ret
= regcomp (&re
, pattern
,
634 REG_EXTENDED
| (icase
? REG_ICASE
: 0));
639 size
= regerror (ret
, &re
, errbuf
, sizeof (errbuf
));
640 printd (state
.sock
, "T \"regcomp failed `%.*s'\"", (int) size
, errbuf
);
643 search (&re
, pageno
, y
, forward
);
647 else if (!strncmp ("geometry", p
, 8)) {
650 ret
= sscanf (p
+ 8, " %d %d", &w
, &h
);
652 errx (1, "malformed geometry `%.*s' ret=%d", len
, p
, ret
);
658 for (i
= 0; i
< state
.texcount
; ++i
) {
659 state
.texowners
[i
].slice
= NULL
;
664 else if (!strncmp ("render", p
, 6)) {
665 int pageno
, pindex
, w
, h
, ret
;
668 ret
= sscanf (p
+ 6, " %d %d %d %d", &pageno
, &pindex
, &w
, &h
);
670 errx (1, "bad render line `%.*s' ret=%d", len
, p
, ret
);
673 page
= render (pageno
, pindex
);
674 printd (state
.sock
, "r %d %d %d %p\n",
681 errx (1, "unknown command %.*s", len
, p
);
687 static void upload2 (struct page
*page
, int slicenum
, const char *cap
)
692 struct slice
*slice
= &page
->slices
[slicenum
];
697 ARSERT (w
== slice
->w
);
698 if (slice
->texindex
!= -1
699 && state
.texowners
[slice
->texindex
].slice
== slice
) {
700 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
704 int index
= (state
.texindex
++ % state
.texcount
);
707 for (i
= 0; i
< slicenum
; ++i
) {
708 offset
+= w
* page
->slices
[i
].h
* 4;
711 if (state
.texowners
[index
].w
== slice
->w
) {
712 if (state
.texowners
[index
].h
>= slice
->h
) {
716 state
.texowners
[index
].h
= slice
->h
;
720 state
.texowners
[index
].h
= slice
->h
;
723 state
.texowners
[index
].slice
= slice
;
724 state
.texowners
[index
].w
= slice
->w
;
725 slice
->texindex
= index
;
727 glBindTexture (GL_TEXTURE_RECTANGLE_ARB
, state
.texids
[slice
->texindex
]);
731 GLenum err
= glGetError ();
732 if (err
!= GL_NO_ERROR
) {
733 printf ("\e[0;31mERROR1 %d %d %#x\e[0m\n", w
, slice
->h
, err
);
737 glTexSubImage2D (GL_TEXTURE_RECTANGLE_ARB
,
745 page
->pixmap
->samples
+ offset
748 GLenum err
= glGetError ();
749 if (err
!= GL_NO_ERROR
) {
750 printf ("\e[0;31mERROR %d %d %#x\e[0m\n", w
, slice
->h
, err
);
756 glTexImage2D (GL_TEXTURE_RECTANGLE_ARB
,
764 page
->pixmap
->samples
+ offset
769 lprintf ("%s[%d] slice=%d(%d,%d) texid=%d %f sec\n",
770 subimage
? "sub" : "img",
771 page
->pageno
, slicenum
,
773 state
.texids
[slice
->texindex
],
778 CAMLprim value
ml_preload (value ptr_v
)
784 char *s
= String_val (ptr_v
);
787 ret
= sscanf (s
, "%p", &ptr
);
789 errx (1, "cannot parse pointer `%s'", s
);
793 for (i
= 0; i
< page
->slicecount
; ++i
) {
794 upload2 (ptr
, i
, "preload");
797 CAMLreturn (Val_unit
);
800 CAMLprim value
ml_draw (value dispy_v
, value w_v
, value h_v
,
801 value py_v
, value ptr_v
)
803 CAMLparam5 (dispy_v
, w_v
, h_v
, py_v
, ptr_v
);
804 int dispy
= Int_val (dispy_v
);
805 int w
= Int_val (w_v
);
806 int h
= Int_val (h_v
);
807 int py
= Int_val (py_v
);
808 char *s
= String_val (ptr_v
);
814 ret
= sscanf (s
, "%p", &ptr
);
816 errx (1, "cannot parse pointer `%s'", s
);
822 ARSERT (h
>= 0 && "ml_draw wrong h");
824 glEnable (GL_TEXTURE_RECTANGLE_ARB
);
825 if (state
.useatifs
) {
826 glEnable (GL_FRAGMENT_SHADER_ATI
);
829 for (slicenum
= 0; slicenum
< page
->slicecount
; ++slicenum
) {
830 struct slice
*slice
= &page
->slices
[slicenum
];
837 h
= MIN (state
.h
, h
);
840 struct slice
*slice
= &page
->slices
[slicenum
];
842 ARSERT (slicenum
< page
->slicecount
&& "ml_draw wrong slicenum");
844 th
= MIN (h
, slice
->h
- py
);
845 upload2 (page
, slicenum
, "upload");
849 glTexCoord2i (0, py
);
850 glVertex2i (0, dispy
);
852 glTexCoord2i (w
, py
);
853 glVertex2i (w
, dispy
);
855 glTexCoord2i (w
, py
+th
);
856 glVertex2i (w
, dispy
+ th
);
858 glTexCoord2i (0, py
+th
);
859 glVertex2i (0, dispy
+ th
);
869 glDisable (GL_TEXTURE_RECTANGLE_ARB
);
870 if (state
.useatifs
) {
871 glDisable (GL_FRAGMENT_SHADER_ATI
);
873 CAMLreturn (Val_unit
);
876 CAMLprim value
ml_checklink (value ptr_v
, value x_v
, value y_v
)
878 CAMLparam3 (ptr_v
, x_v
, y_v
);
884 char *s
= String_val (ptr_v
);
889 page
= parse_pointer ("ml_checklink", s
);
891 ctm
= fz_invertmatrix (page
->pagedim
->ctm
);
892 p
= fz_transformpoint (ctm
, p
);
894 for (link
= page
->drawpage
->links
; link
; link
= link
->next
) {
895 if (p
.x
>= link
->rect
.x0
&& p
.x
<= link
->rect
.x1
)
896 if (p
.y
>= link
->rect
.y0
&& p
.y
<= link
->rect
.y1
) {
897 if (link
->kind
== PDF_LGOTO
) {
898 pageno
= pdf_findpageobject (state
.xref
,
899 fz_arrayget (link
->dest
, 0)) - 1;
906 CAMLreturn (Val_int (pageno
));
909 CAMLprim value
ml_gettext (value ptr_v
, value rect_v
, value oy_v
, value rectsel_v
)
911 CAMLparam4 (ptr_v
, rect_v
, oy_v
, rect_v
);
916 char *s
= String_val (ptr_v
);
917 int rectsel
= Bool_val (rectsel_v
);
918 int i
, bx0
, bx1
, by0
, by1
, x0
, x1
, y0
, y1
, oy
;
920 /* stop GCC from complaining about uninitialized variables */
921 int rx0
= rx0
, rx1
= rx1
, ry0
= ry0
, ry1
= ry1
;
923 page
= parse_pointer ("ml_gettext", s
);
926 p1
.x
= Int_val (Field (rect_v
, 0));
927 p1
.y
= Int_val (Field (rect_v
, 1));
928 p2
.x
= Int_val (Field (rect_v
, 2));
929 p2
.y
= Int_val (Field (rect_v
, 3));
933 glPolygonMode (GL_FRONT_AND_BACK
, GL_LINE
);
934 glBlendFunc (GL_DST_ALPHA
, GL_SRC_ALPHA
);
935 glColor4f (0, 0, 0, 0.2);
936 glRecti (p1
.x
, p1
.y
, p2
.x
, p2
.y
);
937 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
938 glDisable (GL_BLEND
);
941 ctm
= page
->pagedim
->ctm
;
946 page
->text
= fz_newtextspan ();
947 tdev
= fz_newtextdevice (page
->text
);
948 error
= pdf_runcontentstream (tdev
, page
->pagedim
->ctm
, state
.xref
,
949 page
->drawpage
->resources
,
950 page
->drawpage
->contents
);
951 if (error
) die (error
);
952 fz_freedevice (tdev
);
957 printf ("BBox %f %f %f %f\n", p1
.x
, p1
.y
, p2
.x
, p2
.y
);
958 p1
.x
+= page
->pixmap
->x
;
959 p1
.y
+= page
->pixmap
->y
;
960 p2
.x
+= page
->pixmap
->x
;
961 p2
.y
+= page
->pixmap
->y
;
966 printf ("BBox %d %d %d %d %d %d\n", x0
, y0
, x1
, y1
, oy
, page
->pageno
);
968 for (span
= page
->text
; span
; span
= span
->next
) {
971 /* fz_debugtextspanxml (span); */
972 for (i
= 0; i
< span
->len
; ++i
) {
975 bx0
= span
->text
[i
].bbox
.x0
;
976 bx1
= span
->text
[i
].bbox
.x1
;
977 by0
= span
->text
[i
].bbox
.y0
+ oy
;
978 by1
= span
->text
[i
].bbox
.y1
+ oy
;
980 if ((bx1
>= x0
&& bx0
<= x1
&& by1
>= y0
&& by0
<= y1
)) {
982 rx0
= bx0
- page
->pixmap
->x
;
983 rx1
= bx1
- page
->pixmap
->x
;
991 if ((isprint (c
) && !isspace (c
))) {
993 bx0
-= page
->pixmap
->x
;
994 bx1
-= page
->pixmap
->x
;
996 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
997 glBlendFunc (GL_DST_ALPHA
, GL_SRC_ALPHA
);
998 glColor4f (0.5, 0.5, 0.0, 0.6);
999 glRecti (bx0
, by0
, bx1
, by1
);
1000 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1001 glDisable (GL_BLEND
);
1003 if (isprint (c
) || c
==' ') {
1018 glEnable (GL_BLEND
);
1019 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1020 glBlendFunc (GL_DST_ALPHA
, GL_SRC_ALPHA
);
1021 glColor4f (0.5, 0.5, 0.0, 0.6);
1022 glRecti (rx0
, ry0
, rx1
, ry1
);
1023 glPolygonMode (GL_FRONT_AND_BACK
, GL_FILL
);
1024 glDisable (GL_BLEND
);
1028 if (seen
&& span
->eol
) {
1029 x0
= page
->pixmap
->x
;
1030 putc ('\n', stdout
);
1034 CAMLreturn (Val_unit
);
1037 static void initgl (void)
1040 if (strstr ((char *) glGetString (GL_EXTENSIONS
),
1041 "GL_ATI_fragment_shader")) {
1042 /* Here, with MESA, rv280, powerpc32: BGRA(rev) is slow while
1043 ABGR is fast, so fix things in the shader */
1044 state
.texform
= GL_ABGR_EXT
;
1045 state
.texty
= GL_UNSIGNED_INT_8_8_8_8
;
1047 glBindFragmentShaderATI (1);
1048 glBeginFragmentShaderATI ();
1050 glSampleMapATI (GL_REG_0_ATI
, GL_TEXTURE0_ARB
, GL_SWIZZLE_STR_ATI
);
1052 glColorFragmentOp1ATI (GL_MOV_ATI
,
1053 GL_REG_1_ATI
, GL_RED_BIT_ATI
, GL_NONE
,
1054 GL_REG_0_ATI
, GL_BLUE
, GL_NONE
);
1055 glColorFragmentOp1ATI (GL_MOV_ATI
,
1056 GL_REG_1_ATI
, GL_BLUE_BIT_ATI
, GL_NONE
,
1057 GL_REG_0_ATI
, GL_RED
, GL_NONE
);
1058 glColorFragmentOp1ATI (
1060 GL_REG_0_ATI
, GL_RED_BIT_ATI
| GL_BLUE_BIT_ATI
, GL_NONE
,
1061 GL_REG_1_ATI
, GL_NONE
, GL_NONE
1064 glEndFragmentShaderATI ();
1068 state
.texform
= GL_BGRA_EXT
;
1069 state
.texty
= GL_UNSIGNED_INT_8_8_8_8_REV
;
1072 state
.texform
= GL_BGRA_EXT
;
1073 state
.texty
= GL_UNSIGNED_INT_8_8_8_8
;
1077 CAMLprim value
ml_init (value sock_v
)
1080 CAMLparam1 (sock_v
);
1082 state
.texcount
= 128;
1083 state
.sliceheight
= 64;
1085 state
.texids
= calloc (state
.texcount
* sizeof (*state
.texids
), 1);
1086 if (!state
.texids
) {
1087 err (1, "calloc texids %zu", state
.texcount
* sizeof (*state
.texids
));
1090 state
.texowners
= calloc (state
.texcount
* sizeof (*state
.texowners
), 1);
1091 if (!state
.texowners
) {
1092 err (1, "calloc texowners %zu",
1093 state
.texcount
* sizeof (*state
.texowners
));
1096 glGenTextures (state
.texcount
, state
.texids
);
1098 state
.sock
= Int_val (sock_v
);
1101 state
.cache
= fz_newglyphcache ();
1103 errx (1, "fz_newglyphcache failed");
1106 ret
= pthread_create (&state
.thread
, NULL
, mainloop
, NULL
);
1108 unix_error (ret
, "pthread_create", Nothing
);
1111 CAMLreturn (Val_unit
);