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Initial implementation of GPUPipelineLayout for WebGPU
Added WebIDL bindings for `GPUPipelineLayout`. Implemented the createPipelineLayout function of `GPUDevice`.
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0dccfd148a
commit
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10 changed files with 223 additions and 6 deletions
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@ -11,6 +11,7 @@ use crate::dom::bindings::codegen::Bindings::GPUBindGroupLayoutBinding::{
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};
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use crate::dom::bindings::codegen::Bindings::GPUBufferBinding::GPUBufferDescriptor;
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use crate::dom::bindings::codegen::Bindings::GPUDeviceBinding::{self, GPUDeviceMethods};
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use crate::dom::bindings::codegen::Bindings::GPUPipelineLayoutBinding::GPUPipelineLayoutDescriptor;
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use crate::dom::bindings::codegen::Bindings::WindowBinding::WindowBinding::WindowMethods;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
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@ -21,6 +22,7 @@ use crate::dom::globalscope::GlobalScope;
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use crate::dom::gpuadapter::GPUAdapter;
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use crate::dom::gpubindgrouplayout::GPUBindGroupLayout;
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use crate::dom::gpubuffer::{GPUBuffer, GPUBufferState};
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use crate::dom::gpupipelinelayout::GPUPipelineLayout;
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use crate::dom::window::Window;
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use crate::script_runtime::JSContext as SafeJSContext;
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use dom_struct::dom_struct;
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@ -410,4 +412,69 @@ impl GPUDeviceMethods for GPUDevice {
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GPUBindGroupLayout::new(&self.global(), self.channel.clone(), bgl, binds, valid)
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}
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/// https://gpuweb.github.io/gpuweb/#dom-gpudevice-createpipelinelayout
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fn CreatePipelineLayout(
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&self,
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descriptor: &GPUPipelineLayoutDescriptor,
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) -> DomRoot<GPUPipelineLayout> {
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// TODO: We should have these limits on device creation
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let limits = GPULimits::empty();
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let mut bind_group_layouts = Vec::new();
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let mut bgl_ids = Vec::new();
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let mut max_dynamic_uniform_buffers_per_pipeline_layout =
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limits.maxDynamicUniformBuffersPerPipelineLayout as i32;
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let mut max_dynamic_storage_buffers_per_pipeline_layout =
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limits.maxDynamicStorageBuffersPerPipelineLayout as i32;
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descriptor.bindGroupLayouts.iter().for_each(|each| {
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if each.is_valid() {
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let id = each.id();
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bind_group_layouts.push(id);
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bgl_ids.push(id.0);
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}
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each.bindings().iter().for_each(|bind| {
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match bind.type_ {
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GPUBindingType::Uniform_buffer => {
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if bind.hasDynamicOffset {
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max_dynamic_uniform_buffers_per_pipeline_layout -= 1;
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};
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},
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GPUBindingType::Storage_buffer => {
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if bind.hasDynamicOffset {
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max_dynamic_storage_buffers_per_pipeline_layout -= 1;
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};
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},
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GPUBindingType::Readonly_storage_buffer => {
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if bind.hasDynamicOffset {
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max_dynamic_storage_buffers_per_pipeline_layout -= 1;
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};
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},
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_ => {},
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};
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});
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});
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let valid = descriptor.bindGroupLayouts.len() <= limits.maxBindGroups as usize &&
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descriptor.bindGroupLayouts.len() == bind_group_layouts.len() &&
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max_dynamic_uniform_buffers_per_pipeline_layout >= 0 &&
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max_dynamic_storage_buffers_per_pipeline_layout >= 0;
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let (sender, receiver) = ipc::channel().unwrap();
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if let Some(window) = self.global().downcast::<Window>() {
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let id = window
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.Navigator()
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.create_pipeline_layout_id(self.device.0.backend());
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self.channel
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.0
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.send(WebGPURequest::CreatePipelineLayout(
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sender,
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self.device,
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id,
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bgl_ids,
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))
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.expect("Failed to create WebGPU PipelineLayout");
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}
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let pipeline_layout = receiver.recv().unwrap();
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GPUPipelineLayout::new(&self.global(), bind_group_layouts, pipeline_layout, valid)
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}
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}
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