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protocol: add invalid_size error to wl_surface

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This allows the compositor to send an error when the client submits a buffer
whose size is not divisible by the buffer scale. Previously, the protocol said
it was a client error but didn't specify any error code.

Signed-off-by: Simon Ser <contact@emersion.fr>
Closes: https://gitlab.freedesktop.org/wayland/wayland/issues/145
This commit is contained in:
Simon Ser 2020-02-26 18:30:57 +01:00 • committed by Pekka Paalanen
parent ef40f82ac1
commit 8d5fadad47
1 changed files with 4 additions and 2 deletions
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6
protocol/wayland.xml
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@ -1378,6 +1378,7 @@
</description>
<entry name="invalid_scale" value="0" summary="buffer scale value is invalid"/>
<entry name="invalid_transform" value="1" summary="buffer transform value is invalid"/>
<entry name="invalid_size" value="2" summary="buffer size is invalid"/>
</enum>
<request name="destroy" type="destructor">
@ -1392,8 +1393,9 @@
The new size of the surface is calculated based on the buffer
size transformed by the inverse buffer_transform and the
inverse buffer_scale. This means that the supplied buffer
must be an integer multiple of the buffer_scale.
inverse buffer_scale. This means that at commit time the supplied
buffer size must be an integer multiple of the buffer_scale. If
that's not the case, an invalid_size error is sent.
The x and y arguments specify the location of the new pending
buffer's upper left corner, relative to the current buffer's upper