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Encapsulate buffer map fields in a separate struct

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This commit is contained in:
Kunal Mohan 2020-07-01 14:26:35 +05:30
parent 575036bb88
commit 891a3bd30e
2 changed files with 71 additions and 80 deletions
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23
components/script/dom/gpudevice.rs
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@ -4,7 +4,7 @@
#![allow(unsafe_code)]
use crate::dom::bindings::cell::{DomRefCell, RefCell};
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::GPUBindGroupBinding::{
GPUBindGroupDescriptor, GPUBindingResource,
};
@ -41,7 +41,7 @@ use crate::dom::globalscope::GlobalScope;
use crate::dom::gpuadapter::GPUAdapter;
use crate::dom::gpubindgroup::GPUBindGroup;
use crate::dom::gpubindgrouplayout::GPUBindGroupLayout;
use crate::dom::gpubuffer::{GPUBuffer, GPUBufferState};
use crate::dom::gpubuffer::{GPUBuffer, GPUBufferMapInfo, GPUBufferState};
use crate::dom::gpucommandencoder::GPUCommandEncoder;
use crate::dom::gpucomputepipeline::GPUComputePipeline;
use crate::dom::gpupipelinelayout::GPUPipelineLayout;
@ -54,6 +54,7 @@ use crate::script_runtime::JSContext as SafeJSContext;
use arrayvec::ArrayVec;
use dom_struct::dom_struct;
use js::jsapi::{Heap, JSObject};
use std::cell::RefCell;
use std::ptr::NonNull;
use std::rc::Rc;
use webgpu::wgpu::binding_model::BufferBinding;
@ -177,18 +178,21 @@ impl GPUDeviceMethods for GPUDevice {
.expect("Failed to create WebGPU buffer");
let buffer = webgpu::WebGPUBuffer(id);
let mapping;
let map_info;
let state;
let mapping_range;
if descriptor.mappedAtCreation {
let buf_data = vec![0u8; descriptor.size as usize];
mapping = Rc::new(RefCell::new(Some(buf_data)));
map_info = DomRefCell::new(Some(GPUBufferMapInfo {
mapping: Rc::new(RefCell::new(buf_data)),
mapping_range: 0..descriptor.size,
mapped_ranges: Vec::new(),
js_buffers: Vec::new(),
map_mode: None,
}));
state = GPUBufferState::MappedAtCreation;
mapping_range = 0..descriptor.size;
} else {
mapping = Rc::new(RefCell::new(None));
map_info = DomRefCell::new(None);
state = GPUBufferState::Unmapped;
mapping_range = 0..0;
}
GPUBuffer::new(
@ -199,8 +203,7 @@ impl GPUDeviceMethods for GPUDevice {
state,
descriptor.size,
true,
mapping,
mapping_range,
map_info,
)
}