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ui/dbus: use shared D3D11 Texture2D when possible

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When the client implements "org.qemu.Display1.Listener.Win32.D3d11" and
we are running on ANGLE/win32, share the scanout texture with the peer
process, and draw with ScanoutTexture2d/UpdateTexture2d methods.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230606115658.677673-22-marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau
2023-06-06 15:56:58 +04:00
parent c1600f84ce
commit de1f8ce0ab
2 changed files with 324 additions and 31 deletions
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ui/dbus-display1.xml
+54 -2
View File
@@ -472,8 +472,9 @@
<!--
org.qemu.Display1.Listener.Win32.Map:
This client-side interface can complement org.qemu.Display1.Listener on
``/org/qemu/Display1/Listener`` for Windows specific methods.
This optional client-side interface can complement
org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
specific shared memory scanouts.
-->
<interface name="org.qemu.Display1.Listener.Win32.Map">
<!--
@@ -513,6 +514,57 @@
</method>
</interface>
<!--
org.qemu.Display1.Listener.Win32.D3d11:
This optional client-side interface can complement
org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
specific Direct3D texture sharing of the scanouts.
-->
<interface name="org.qemu.Display1.Listener.Win32.D3d11">
<!--
ScanoutTexture2d:
@handle: the NT handle for the shared texture (to be opened back with ID3D11Device1::OpenSharedResource1).
@texture_width: texture width, in pixels.
@texture_height: texture height, in pixels.
@y0_top: whether Y position 0 is the top or not.
@x: the X scanout position, in pixels.
@y: the Y scanout position, in pixels.
@width: the scanout width, in pixels.
@height: the scanout height, in pixels.
Resize and update the display content with a Direct3D 11 2D texture.
You must acquire and release the associated KeyedMutex 0 during rendering.
-->
<method name="ScanoutTexture2d">
<arg type="t" name="handle" direction="in"/>
<arg type="u" name="texture_width" direction="in"/>
<arg type="u" name="texture_height" direction="in"/>
<arg type="b" name="y0_top" direction="in"/>
<arg type="u" name="x" direction="in"/>
<arg type="u" name="y" direction="in"/>
<arg type="u" name="width" direction="in"/>
<arg type="u" name="height" direction="in"/>
</method>
<!--
UpdateTexture2d:
@x: the X update position, in pixels.
@y: the Y update position, in pixels.
@width: the update width, in pixels.
@height: the update height, in pixels.
Update the display content with the current Direct3D 2D texture and the given region.
You must acquire and release the associated KeyedMutex 0 during rendering.
-->
<method name="UpdateTexture2d">
<arg type="i" name="x" direction="in"/>
<arg type="i" name="y" direction="in"/>
<arg type="i" name="width" direction="in"/>
<arg type="i" name="height" direction="in"/>
</method>
</interface>
<!--
org.qemu.Display1.Clipboard: