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Implement Queue::write_buffer_with #2777

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merged 4 commits into from
Jun 28, 2022
+426 −97
Merged

Implement Queue::write_buffer_with #2777

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2bc0db0
implement Queue::write_buffer_with
teoxoy Jun 15, 2022
75913fd
address comments
teoxoy Jun 23, 2022
3bfd124
update doc
teoxoy Jun 23, 2022
9b7435a
Fix copy span location
cwfitzgerald Jun 28, 2022
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update doc
@teoxoy
teoxoy committed Jun 23, 2022
commit 3bfd1249db9b5eb935d9ceb473f63f6dc44944ab
8 changes: 3 additions & 5 deletions wgpu/src/lib.rs
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Original file line number Diff line number Diff line change
@@ -3422,15 +3422,13 @@ impl Queue {

/// Schedule a data write into `buffer` starting at `offset` via the returned [QueueWriteBufferView].
///
/// The returned value can be dereferenced to a `&mut [u8]`.
///
/// Dropping the returned value fails if `size` is greater than the size of `buffer` starting at `offset`.
///
/// Dereferencing the returned value to a `&[u8]` panics!
/// The returned value can be dereferenced to a `&mut [u8]`; dereferencing it to a `&[u8]` panics!
///
/// This method is intended to have low performance costs.
/// As such, the write is not immediately submitted, and instead enqueued
/// internally to happen at the start of the next `submit()` call.
///
/// This method fails if `size` is greater than the size of `buffer` starting at `offset`.
#[must_use]
pub fn write_buffer_with<'a>(
&'a self,