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wayland: shm: included decoded fourcc name when logging shm formats

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Daniel Eklöf 2026-04-06 15:19:59 +02:00
parent 89d6ff10fa
commit 48aa5decef
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GPG key ID: 5BBD4992C116573F
1 changed files with 18 additions and 2 deletions
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20
wayland.c
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@ -1,5 +1,6 @@
#include "wayland.h"
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <locale.h>
@ -247,17 +248,32 @@ shm_format(void *data, struct wl_shm *wl_shm, uint32_t format)
#if defined(_DEBUG)
bool have_description = false;
const char c4 = (format >> 24) & 0xff;
const char c3 = (format >> 16) & 0xff;
const char c2 = (format >> 8) & 0xff;
const char c1 = (format >> 0) & 0xff;
for (size_t i = 0; i < ALEN(shm_formats); i++) {
if (shm_formats[i].format == format) {
LOG_DBG("shm: 0x%08x: %s", format, shm_formats[i].description);
LOG_DBG("shm: 0x%08x: %c%c%c%c - %s",
format,
isprint(c1) ? c1 : ' ',
isprint(c2) ? c2 : ' ',
isprint(c3) ? c3 : ' ',
isprint(c4) ? c4 : ' ',
shm_formats[i].description);
have_description = true;
break;
}
}
if (!have_description)
LOG_DBG("shm: 0x%08x: unknown", format);
LOG_DBG("shm: 0x%08x: %c%c%c%c - unknown",
format,
isprint(c1) ? c1 : ' ',
isprint(c2) ? c2 : ' ',
isprint(c3) ? c3 : ' ',
isprint(c4) ? c4 : ' ');
#endif
}