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Fix ArrayBuffer creation in buffer mapping
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parent
b484836dbc
commit
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2 changed files with 10 additions and 10 deletions
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@ -54,9 +54,8 @@ use crate::script_runtime::JSContext as SafeJSContext;
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use arrayvec::ArrayVec;
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use dom_struct::dom_struct;
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use js::jsapi::{Heap, JSObject};
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use js::rust::MutableHandle;
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use js::typedarray::{ArrayBuffer, CreateWith};
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use std::ptr::NonNull;
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use std::ptr::{self, NonNull};
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use webgpu::wgpu::binding_model::BufferBinding;
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use webgpu::{self, wgt, WebGPU, WebGPUBindings, WebGPURequest};
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@ -182,14 +181,17 @@ impl GPUDeviceMethods for GPUDevice {
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let state;
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let mapping_range;
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if descriptor.mappedAtCreation {
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let cx = self.global().get_cx();
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rooted!(in(*cx) let mut array_buffer = ptr::null_mut::<JSObject>());
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unsafe {
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assert!(ArrayBuffer::create(
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*self.global().get_cx(),
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*cx,
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CreateWith::Length(descriptor.size as u32),
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MutableHandle::from_raw(mapping.handle_mut()),
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array_buffer.handle_mut(),
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)
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.is_ok());
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}
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mapping.set(array_buffer.get());
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state = GPUBufferState::MappedAtCreation;
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mapping_range = 0..descriptor.size;
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} else {
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