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xwayland: Move xwl_format array management to its own function 

This creates xwl_add_format_and_mod_to_list, which is a helper
that adds a format/mod combo to a xwl_format* list. This will
be used by both the modifier event handling and the tranche
format handling.

Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
This commit is contained in:
Austin Shafer 2022-12-20 12:15:08 +01:00 committed by Michel Dänzer
parent 16e7cdba48
commit 2930eb113b
1 changed files with 31 additions and 19 deletions
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50
hw/xwayland/xwayland-glamor.c
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@ -213,40 +213,52 @@ xwl_dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
}
static void
xwl_dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format, uint32_t modifier_hi,
uint32_t modifier_lo)
xwl_add_format_and_mod_to_list(struct xwl_format **formats,
uint32_t *num_formats,
uint32_t format,
uint64_t modifier)
{
struct xwl_screen *xwl_screen = data;
struct xwl_format *xwl_format = NULL;
int i;
for (i = 0; i < xwl_screen->num_formats; i++) {
if (xwl_screen->formats[i].format == format) {
xwl_format = &xwl_screen->formats[i];
for (i = 0; i < *num_formats; i++) {
if ((*formats)[i].format == format) {
xwl_format = &(*formats)[i];
break;
}
}
if (xwl_format == NULL) {
xwl_screen->num_formats++;
xwl_screen->formats = realloc(xwl_screen->formats,
xwl_screen->num_formats * sizeof(*xwl_format));
if (!xwl_screen->formats)
return;
xwl_format = &xwl_screen->formats[xwl_screen->num_formats - 1];
(*num_formats)++;
*formats = xnfrealloc(*formats, *num_formats * sizeof(*xwl_format));
xwl_format = &(*formats)[*num_formats - 1];
xwl_format->format = format;
xwl_format->num_modifiers = 0;
xwl_format->modifiers = NULL;
}
for (i = 0; i < xwl_format->num_modifiers; i++) {
/* don't add it if the modifier already exists */
if (xwl_format->modifiers[i] == modifier)
return;
}
xwl_format->num_modifiers++;
xwl_format->modifiers = realloc(xwl_format->modifiers,
xwl_format->num_modifiers * sizeof(uint64_t));
if (!xwl_format->modifiers)
return;
xwl_format->modifiers[xwl_format->num_modifiers - 1] = (uint64_t) modifier_lo;
xwl_format->modifiers[xwl_format->num_modifiers - 1] |= (uint64_t) modifier_hi << 32;
xwl_format->modifiers = xnfrealloc(xwl_format->modifiers,
xwl_format->num_modifiers * sizeof(uint64_t));
xwl_format->modifiers[xwl_format->num_modifiers - 1] = modifier;
}
static void
xwl_dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format, uint32_t modifier_hi,
uint32_t modifier_lo)
{
struct xwl_screen *xwl_screen = data;
xwl_add_format_and_mod_to_list(&xwl_screen->formats, &xwl_screen->num_formats,
format,
((uint64_t)modifier_hi << 32 | (uint64_t)modifier_lo));
}
static const struct zwp_linux_dmabuf_v1_listener xwl_dmabuf_listener = {