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fix check for flush_mapped_ranges in map_buffer

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`flush_mapped_ranges` needs to be called when mappings are not coherent.
We can also omit flushing for write-mapped buffers since we always flush them on unmap.
This commit is contained in:
teoxoy 2024-08-07 18:13:42 +02:00 committed by Erich Gubler
parent f0875e8fda
commit a6bc2f6f53
1 changed files with 1 additions and 1 deletions
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wgpu-core/src/device/mod.rs
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@ -349,7 +349,7 @@ fn map_buffer<A: HalApi>(
(uninitialized.start - offset) as usize..(uninitialized.end - offset) as usize; (uninitialized.start - offset) as usize..(uninitialized.end - offset) as usize;
mapped[fill_range].fill(0); mapped[fill_range].fill(0);
if mapping.is_coherent { if !mapping.is_coherent && kind == HostMap::Read {
unsafe { raw.flush_mapped_ranges(raw_buffer, iter::once(uninitialized)) }; unsafe { raw.flush_mapped_ranges(raw_buffer, iter::once(uninitialized)) };
} }
} }