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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/rust/wgpu-hal/src/auxil/dxgi/result.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/wgpu-hal/src/auxil/dxgi/result.rs')
-rw-r--r--third_party/rust/wgpu-hal/src/auxil/dxgi/result.rs42
1 files changed, 42 insertions, 0 deletions
diff --git a/third_party/rust/wgpu-hal/src/auxil/dxgi/result.rs b/third_party/rust/wgpu-hal/src/auxil/dxgi/result.rs
new file mode 100644
index 0000000000..db013d2dec
--- /dev/null
+++ b/third_party/rust/wgpu-hal/src/auxil/dxgi/result.rs
@@ -0,0 +1,42 @@
+use std::borrow::Cow;
+
+use winapi::shared::winerror;
+
+pub(crate) trait HResult<O> {
+ fn into_result(self) -> Result<O, Cow<'static, str>>;
+ fn into_device_result(self, description: &str) -> Result<O, crate::DeviceError>;
+}
+impl HResult<()> for i32 {
+ fn into_result(self) -> Result<(), Cow<'static, str>> {
+ if self >= 0 {
+ return Ok(());
+ }
+ let description = match self {
+ winerror::E_UNEXPECTED => "unexpected",
+ winerror::E_NOTIMPL => "not implemented",
+ winerror::E_OUTOFMEMORY => "out of memory",
+ winerror::E_INVALIDARG => "invalid argument",
+ _ => return Err(Cow::Owned(format!("0x{:X}", self as u32))),
+ };
+ Err(Cow::Borrowed(description))
+ }
+ fn into_device_result(self, description: &str) -> Result<(), crate::DeviceError> {
+ self.into_result().map_err(|err| {
+ log::error!("{} failed: {}", description, err);
+ if self == winerror::E_OUTOFMEMORY {
+ crate::DeviceError::OutOfMemory
+ } else {
+ crate::DeviceError::Lost
+ }
+ })
+ }
+}
+
+impl<T> HResult<T> for (T, i32) {
+ fn into_result(self) -> Result<T, Cow<'static, str>> {
+ self.1.into_result().map(|()| self.0)
+ }
+ fn into_device_result(self, description: &str) -> Result<T, crate::DeviceError> {
+ self.1.into_device_result(description).map(|()| self.0)
+ }
+}