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linux-explicit-synchronization: Allow fences with opaque EGL buffers

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Add opaque EGL buffers to the supported buffer types for use with the
explicit synchronization protocol. Opaque EGL buffers rely on the same
EGL implementation in both the compositor and clients, which makes it
straightforward to manage client expectations about fence support for
such buffers.

Also make it clearer that implementations are free to support other
buffer types beyond the required ones.

Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Alexandros Frantzis 2018-11-29 11:35:28 +02:00 • committed by Pekka Paalanen
parent 9132fc867d
commit 47914962d8
1 changed files with 9 additions and 4 deletions
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13
unstable/linux-explicit-synchronization/linux-explicit-synchronization-unstable-v1.xml
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@ -26,7 +26,7 @@
DEALINGS IN THE SOFTWARE.
</copyright>
<interface name="zwp_linux_explicit_synchronization_v1" version="1">
<interface name="zwp_linux_explicit_synchronization_v1" version="2">
<description summary="protocol for providing explicit synchronization">
This global is a factory interface, allowing clients to request
explicit synchronization for buffers on a per-surface basis.
@ -76,7 +76,7 @@
</request>
</interface>
<interface name="zwp_linux_surface_synchronization_v1" version="1">
<interface name="zwp_linux_surface_synchronization_v1" version="2">
<description summary="per-surface explicit synchronization support">
This object implements per-surface explicit synchronization.
@ -101,8 +101,13 @@
Each surface can be associated with only one object of this interface at
any time.
Explicit synchronization is guaranteed to be supported only for buffers
created with any version of the wp_linux_dmabuf buffer factory.
In version 1 of this interface, explicit synchronization is only
guaranteed to be supported for buffers created with any version of the
wp_linux_dmabuf buffer factory. Version 2 additionally guarantees
explicit synchronization support for opaque EGL buffers, which is a type
of platform specific buffers described in the EGL_WL_bind_wayland_display
extension. Compositors are free to support explicit synchronization for
additional buffer types.
</description>
<request name="destroy" type="destructor">