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move to posix shm

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This commit is contained in:
Jay Sorg
2023-05-28 00:52:26 -07:00
committed by jsorg71
parent 67c297d273
commit 4b1482b5df
6 changed files with 135 additions and 2 deletions
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xup/xup.c
+99
View File
@@ -1304,6 +1304,102 @@ process_server_set_pointer_shmfd(struct mod *amod, struct stream *s)
return rv;
}
/******************************************************************************/
/* return error */
static int
process_server_paint_rect_shmfd(struct mod *amod, struct stream *s)
{
int num_drects;
int num_crects;
int flags;
int frame_id;
int shmem_bytes;
int shmem_offset;
int left;
int top;
int width;
int height;
int index;
int rv;
int16_t *ldrects;
int16_t *ldrects1;
int16_t *lcrects;
int16_t *lcrects1;
char *bmpdata;
int fd;
int recv_bytes;
unsigned int num_fds;
void *shmem_ptr;
char msg[4];
/* dirty pixels */
in_uint16_le(s, num_drects);
ldrects = g_new(int16_t, 2 * 4 * num_drects);
ldrects1 = ldrects;
for (index = 0; index < num_drects; index++)
{
in_sint16_le(s, ldrects1[0]);
in_sint16_le(s, ldrects1[1]);
in_sint16_le(s, ldrects1[2]);
in_sint16_le(s, ldrects1[3]);
ldrects1 += 4;
}
/* copied pixels */
in_uint16_le(s, num_crects);
lcrects = g_new(int16_t, 2 * 4 * num_crects);
lcrects1 = lcrects;
for (index = 0; index < num_crects; index++)
{
in_sint16_le(s, lcrects1[0]);
in_sint16_le(s, lcrects1[1]);
in_sint16_le(s, lcrects1[2]);
in_sint16_le(s, lcrects1[3]);
lcrects1 += 4;
}
in_uint32_le(s, flags);
in_uint32_le(s, frame_id);
in_uint32_le(s, shmem_bytes);
in_uint32_le(s, shmem_offset);
in_uint16_le(s, left);
in_uint16_le(s, top);
in_uint16_le(s, width);
in_uint16_le(s, height);
if (g_tcp_can_recv(amod->trans->sck, 5000) == 0)
{
g_free(ldrects);
g_free(lcrects);
return 1;
}
rv = 1;
recv_bytes = g_sck_recv_fd_set(amod->trans->sck, msg, 4, &fd, 1, &num_fds);
LOG_DEVEL(LOG_LEVEL_DEBUG, "process_server_paint_rect_shmfd: "
"g_sck_recv_fd_set rv %d fd %d", recv_bytes, fd);
if (recv_bytes == 4)
{
if (num_fds == 1)
{
if (g_file_map(fd, 1, 1, shmem_bytes, &shmem_ptr) == 0)
{
bmpdata = (char *)shmem_ptr;
bmpdata += shmem_offset;
rv = amod->server_paint_rects_ex(amod, num_drects, ldrects,
num_crects, lcrects, bmpdata,
left, top, width, height,
flags, frame_id);
g_munmap(shmem_ptr, shmem_bytes);
}
g_file_close(fd);
}
}
g_free(ldrects);
g_free(lcrects);
return rv;
}
/******************************************************************************/
/* return error */
static int
@@ -1532,6 +1628,9 @@ lib_mod_process_orders(struct mod *mod, int type, struct stream *s)
case 63: /* server_set_pointer_shmfd */
rv = process_server_set_pointer_shmfd(mod, s);
break;
case 64: /* server_paint_rect_shmfd */
rv = process_server_paint_rect_shmfd(mod, s);
break;
default:
LOG_DEVEL(LOG_LEVEL_WARNING,
"lib_mod_process_orders: unknown order type %d", type);
xup/xup.h
+7 -1
View File
@@ -160,7 +160,13 @@ struct mod
int (*server_set_pointer_large)(struct mod *v, int x, int y,
char *data, char *mask, int bpp,
int width, int height);
tintptr server_dumby[100 - 47]; /* align, 100 minus the number of server
int (*server_paint_rects_ex)(struct mod *v,
int num_drects, short *drects,
int num_crects, short *crects,
char *data, int left, int top,
int width, int height,
int flags, int frame_id);
tintptr server_dumby[100 - 48]; /* align, 100 minus the number of server
functions above */
/* common */
tintptr handle; /* pointer to self as long */