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wayland/dma-buf: Always advertise non-modifier fallback

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This is done to explicitly tell clients that the compositor supports
implicit modifier paths (i.e. using modifier unaware API).

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1959>
This commit is contained in:
Jonas Ådahl 2021-12-07 22:12:57 +01:00 committed by Marge Bot
parent 7acecb1c72
commit 2a16a750c5
1 changed files with 12 additions and 5 deletions
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17
src/wayland/meta-wayland-dma-buf.c
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@ -868,12 +868,18 @@ should_send_modifiers (MetaBackend *backend)
static void
send_modifiers (struct wl_resource *resource,
MetaWaylandDmaBufFormat *format)
MetaWaylandDmaBufFormat *format,
GHashTable *sent_formats)
{
g_assert (wl_resource_get_version (resource) <
ZWP_LINUX_DMABUF_V1_GET_DEFAULT_FEEDBACK_SINCE_VERSION);
zwp_linux_dmabuf_v1_send_format (resource, format->drm_format);
if (!g_hash_table_contains (sent_formats,
GUINT_TO_POINTER (format->drm_format)))
{
g_hash_table_add (sent_formats, GUINT_TO_POINTER (format->drm_format));
zwp_linux_dmabuf_v1_send_format (resource, format->drm_format);
}
if (wl_resource_get_version (resource) <
ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION)
@ -901,8 +907,11 @@ dma_buf_bind (struct wl_client *client,
if (version < ZWP_LINUX_DMABUF_V1_GET_DEFAULT_FEEDBACK_SINCE_VERSION)
{
g_autoptr (GHashTable) sent_formats = NULL;
unsigned int i;
sent_formats = g_hash_table_new (NULL, NULL);
for (i = 0; i < dma_buf_manager->formats->len; i++)
{
MetaWaylandDmaBufFormat *format =
@ -910,7 +919,7 @@ dma_buf_bind (struct wl_client *client,
MetaWaylandDmaBufFormat,
i);
send_modifiers (resource, format);
send_modifiers (resource, format, sent_formats);
}
}
}
@ -961,8 +970,6 @@ add_format (MetaWaylandDmaBufManager *dma_buf_manager,
g_array_append_val (dma_buf_manager->formats, format);
}
return;
add_fallback:
format = (MetaWaylandDmaBufFormat) {
.drm_format = drm_format,