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wayland-dma-buf: Don't send modifiers to old clients

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The modifier event was only added in v3 of the client; sending it to
older clients (e.g. GStreamer waylandsink) causes them to disconnect
immediately.

Send the older 'format' event to all clients, and only send the newer
'modifier' event to resource versions 3 or above.

https://bugzilla.gnome.org/show_bug.cgi?id=788558
This commit is contained in:
Daniel Stone 2017-10-02 16:46:17 +01:00 committed by Jonas Ådahl
parent 7a843e1fd1
commit 32917f1922
1 changed files with 8 additions and 1 deletions
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7
src/wayland/meta-wayland-dma-buf.c
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@ -473,6 +473,13 @@ send_modifiers (struct wl_resource *resource,
gboolean ret;
int i;
zwp_linux_dmabuf_v1_send_format (resource, format);
/* The modifier event was only added in v3; v1 and v2 only have the format
* event. */
if (wl_resource_get_version (resource) < ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION)
return;
/* First query the number of available modifiers, then allocate an array,
* then fill the array. */
ret = meta_egl_query_dma_buf_modifiers (egl, egl_display, format, 0, NULL,