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x11: add option to make extensions optional

This commit is contained in:
i509VCB 2021-11-04 00:37:12 -05:00 committed by Victor Berger
parent 0d2c3acdc7
commit d00197052c
2 changed files with 37 additions and 25 deletions
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2
src/backend/x11/buffer.rs
View File

@ -129,7 +129,7 @@ where
}
// We need dri3 >= 1.2 in order to use the enhanced dri3_pixmap_from_buffers function.
let xid = if window_inner.extensions.dri3 >= (1, 2) {
let xid = if window_inner.extensions.dri3 >= Some((1, 2)) {
if dmabuf.num_planes() > 4 {
return Err(CreatePixmapError::TooManyPlanes);
}

20
src/backend/x11/extension.rs
View File

@ -25,6 +25,7 @@ macro_rules! extensions {
$(
$extension:ident { // Extension name for path lookup
$extension_fn:ident, // Function used to look up the version of the extension
required: $required:expr,
minimum: ($min_major:expr, $min_minor:expr),
request: ($req_major:expr, $req_minor:expr),
},
@ -34,7 +35,7 @@ macro_rules! extensions {
pub struct Extensions {
$(
#[doc = concat!(" The version of the `", stringify!($extension), "` extension.")]
pub $extension: (u32, u32),
pub $extension: Option<(u32, u32)>,
)*
}
@ -59,11 +60,12 @@ macro_rules! extensions {
version.minor_version,
);
(version.major_version, version.minor_version)
Some((version.major_version, version.minor_version))
} else {
if $required {
slog::error!(
logger,
"{} extension version is too low (have {}.{}, expected {}.{})",
"required extension {} version is too low (have {}.{}, expected {}.{})",
X11_EXTENSION_NAME,
version.major_version,
version.minor_version,
@ -78,9 +80,13 @@ macro_rules! extensions {
available_major: version.major_version,
available_minor: version.minor_version,
}.into());
} else {
None
}
}
} else {
slog::error!(logger, "{} extension not found", X11_EXTENSION_NAME);
if $required {
slog::error!(logger, "required extension {} not found", X11_EXTENSION_NAME);
return Err(MissingExtensionError::NotFound {
name: X11_EXTENSION_NAME,
@ -88,6 +94,9 @@ macro_rules! extensions {
minor: $min_minor,
}
.into());
} else {
None
}
}
};
)*
@ -105,18 +114,21 @@ macro_rules! extensions {
extensions! {
present {
present_query_version,
required: true,
minimum: (1, 0),
request: (1, 0),
},
xfixes {
xfixes_query_version,
required: true,
minimum: (4, 0),
request: (4, 0),
},
dri3 {
dri3_query_version,
required: true,
minimum: (1, 0),
request: (1, 2),
},