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Fix host mapping buffer barriers

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This commit is contained in:
Dzmitry Malyshau 2020-04-18 16:55:30 -04:00
parent f4550cc4e3
commit df2c97ff0c
1 changed files with 6 additions and 0 deletions
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6
wgpu-core/src/conv.rs
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@ -486,6 +486,12 @@ pub fn map_buffer_state(usage: wgt::BufferUsage) -> hal::buffer::State {
use wgt::BufferUsage as W;
let mut access = A::empty();
if usage.contains(W::MAP_READ) {
access |= A::HOST_READ;
}
if usage.contains(W::MAP_WRITE) {
access |= A::HOST_WRITE;
}
if usage.contains(W::COPY_SRC) {
access |= A::TRANSFER_READ;
}