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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| use super::*; | ||
|
|
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| #[derive(Default)] | ||
| pub struct DefaultBytesLoader { | ||
| cache: Mutex<HashMap<Cow<'static, str>, Bytes>>, | ||
| } | ||
|
|
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| impl DefaultBytesLoader { | ||
| pub fn insert(&self, uri: impl Into<Cow<'static, str>>, bytes: impl Into<Bytes>) { | ||
| self.cache | ||
| .lock() | ||
| .entry(uri.into()) | ||
| .or_insert_with_key(|uri| { | ||
| let bytes: Bytes = bytes.into(); | ||
|
|
||
| #[cfg(feature = "log")] | ||
| log::trace!("loaded {} bytes for uri {uri:?}", bytes.len()); | ||
|
|
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| bytes | ||
| }); | ||
| } | ||
| } | ||
|
|
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| impl BytesLoader for DefaultBytesLoader { | ||
| fn id(&self) -> &str { | ||
| generate_loader_id!(DefaultBytesLoader) | ||
| } | ||
|
|
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| fn load(&self, _: &Context, uri: &str) -> BytesLoadResult { | ||
| match self.cache.lock().get(uri).cloned() { | ||
| Some(bytes) => Ok(BytesPoll::Ready { | ||
| size: None, | ||
| bytes, | ||
| mime: None, | ||
| }), | ||
| None => Err(LoadError::NotSupported), | ||
| } | ||
| } | ||
|
|
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| fn forget(&self, uri: &str) { | ||
| #[cfg(feature = "log")] | ||
| log::trace!("forget {uri:?}"); | ||
|
|
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| let _ = self.cache.lock().remove(uri); | ||
| } | ||
|
|
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| fn forget_all(&self) { | ||
| #[cfg(feature = "log")] | ||
| log::trace!("forget all"); | ||
|
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| self.cache.lock().clear(); | ||
| } | ||
|
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| fn byte_size(&self) -> usize { | ||
| self.cache.lock().values().map(|bytes| bytes.len()).sum() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| use super::*; | ||
|
|
||
| #[derive(Default)] | ||
| pub struct DefaultTextureLoader { | ||
| cache: Mutex<HashMap<(String, TextureOptions), TextureHandle>>, | ||
| } | ||
|
|
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| impl TextureLoader for DefaultTextureLoader { | ||
| fn id(&self) -> &str { | ||
| crate::generate_loader_id!(DefaultTextureLoader) | ||
| } | ||
|
|
||
| fn load( | ||
| &self, | ||
| ctx: &Context, | ||
| uri: &str, | ||
| texture_options: TextureOptions, | ||
| size_hint: SizeHint, | ||
| ) -> TextureLoadResult { | ||
| let mut cache = self.cache.lock(); | ||
| if let Some(handle) = cache.get(&(uri.into(), texture_options)) { | ||
| let texture = SizedTexture::from_handle(handle); | ||
| Ok(TexturePoll::Ready { texture }) | ||
| } else { | ||
| match ctx.try_load_image(uri, size_hint)? { | ||
| ImagePoll::Pending { size } => Ok(TexturePoll::Pending { size }), | ||
| ImagePoll::Ready { image } => { | ||
| let handle = ctx.load_texture(uri, image, texture_options); | ||
| let texture = SizedTexture::from_handle(&handle); | ||
| cache.insert((uri.into(), texture_options), handle); | ||
| Ok(TexturePoll::Ready { texture }) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| fn forget(&self, uri: &str) { | ||
| #[cfg(feature = "log")] | ||
| log::trace!("forget {uri:?}"); | ||
|
|
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| self.cache.lock().retain(|(u, _), _| u != uri); | ||
| } | ||
|
|
||
| fn forget_all(&self) { | ||
| #[cfg(feature = "log")] | ||
| log::trace!("forget all"); | ||
|
|
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| self.cache.lock().clear(); | ||
| } | ||
|
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| fn end_frame(&self, _: usize) {} | ||
|
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| fn byte_size(&self) -> usize { | ||
| self.cache | ||
| .lock() | ||
| .values() | ||
| .map(|texture| texture.byte_size()) | ||
| .sum() | ||
| } | ||
| } |
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