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https://github.com/denoland/deno.git
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497 lines
12 KiB
Rust
497 lines
12 KiB
Rust
// Copyright 2018-2025 the Deno authors. MIT license.
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use std::borrow::Cow;
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use std::cell::RefCell;
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use std::num::NonZeroU64;
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use deno_core::cppgc::Ptr;
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use deno_core::op2;
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use deno_core::v8;
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use deno_core::webidl::IntOptions;
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use deno_core::webidl::Nullable;
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use deno_core::webidl::WebIdlConverter;
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use deno_core::webidl::WebIdlError;
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use deno_core::GarbageCollected;
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use deno_core::WebIDL;
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use crate::buffer::GPUBuffer;
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use crate::render_bundle::GPURenderBundle;
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use crate::texture::GPUTextureView;
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use crate::webidl::GPUColor;
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use crate::Instance;
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pub struct GPURenderPassEncoder {
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pub instance: Instance,
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pub error_handler: super::error::ErrorHandler,
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pub render_pass: RefCell<wgpu_core::command::RenderPass>,
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pub label: String,
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}
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impl GarbageCollected for GPURenderPassEncoder {}
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#[op2]
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impl GPURenderPassEncoder {
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#[getter]
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#[string]
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fn label(&self) -> String {
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self.label.clone()
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}
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#[setter]
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#[string]
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fn label(&self, #[webidl] _label: String) {
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// TODO(@crowlKats): no-op, needs wpgu to implement changing the label
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}
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#[required(6)]
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fn set_viewport(
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&self,
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#[webidl] x: f32,
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#[webidl] y: f32,
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#[webidl] width: f32,
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#[webidl] height: f32,
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#[webidl] min_depth: f32,
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#[webidl] max_depth: f32,
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) {
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let err = self
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.instance
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.render_pass_set_viewport(
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&mut self.render_pass.borrow_mut(),
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x,
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y,
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width,
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height,
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min_depth,
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max_depth,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(4)]
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fn set_scissor_rect(
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&self,
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#[webidl(options(enforce_range = true))] x: u32,
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#[webidl(options(enforce_range = true))] y: u32,
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#[webidl(options(enforce_range = true))] width: u32,
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#[webidl(options(enforce_range = true))] height: u32,
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) {
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let err = self
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.instance
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.render_pass_set_scissor_rect(
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&mut self.render_pass.borrow_mut(),
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x,
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y,
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width,
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height,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(1)]
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fn set_blend_constant(&self, #[webidl] color: GPUColor) {
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let err = self
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.instance
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.render_pass_set_blend_constant(
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&mut self.render_pass.borrow_mut(),
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color.into(),
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(1)]
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fn set_stencil_reference(
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&self,
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#[webidl(options(enforce_range = true))] reference: u32,
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) {
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let err = self
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.instance
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.render_pass_set_stencil_reference(
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&mut self.render_pass.borrow_mut(),
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reference,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(1)]
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fn begin_occlusion_query(
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&self,
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#[webidl(options(enforce_range = true))] query_index: u32,
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) {
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let err = self
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.instance
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.render_pass_begin_occlusion_query(
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&mut self.render_pass.borrow_mut(),
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query_index,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[fast]
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fn end_occlusion_query(&self) {
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let err = self
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.instance
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.render_pass_end_occlusion_query(&mut self.render_pass.borrow_mut())
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.err();
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self.error_handler.push_error(err);
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}
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#[required(1)]
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fn execute_bundles(&self, #[webidl] bundles: Vec<Ptr<GPURenderBundle>>) {
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let err = self
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.instance
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.render_pass_execute_bundles(
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&mut self.render_pass.borrow_mut(),
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&bundles
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.into_iter()
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.map(|bundle| bundle.id)
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.collect::<Vec<_>>(),
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[fast]
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fn end(&self) {
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let err = self
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.instance
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.render_pass_end(&mut self.render_pass.borrow_mut())
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.err();
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self.error_handler.push_error(err);
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}
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fn push_debug_group(&self, #[webidl] group_label: String) {
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let err = self
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.instance
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.render_pass_push_debug_group(
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&mut self.render_pass.borrow_mut(),
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&group_label,
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0, // wgpu#975
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[fast]
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fn pop_debug_group(&self) {
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let err = self
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.instance
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.render_pass_pop_debug_group(&mut self.render_pass.borrow_mut())
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.err();
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self.error_handler.push_error(err);
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}
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fn insert_debug_marker(&self, #[webidl] marker_label: String) {
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let err = self
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.instance
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.render_pass_insert_debug_marker(
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&mut self.render_pass.borrow_mut(),
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&marker_label,
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0, // wgpu#975
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)
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.err();
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self.error_handler.push_error(err);
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}
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fn set_bind_group<'a>(
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&self,
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scope: &mut v8::HandleScope<'a>,
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#[webidl(options(enforce_range = true))] index: u32,
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#[webidl] bind_group: Nullable<Ptr<crate::bind_group::GPUBindGroup>>,
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dynamic_offsets: v8::Local<'a, v8::Value>,
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dynamic_offsets_data_start: v8::Local<'a, v8::Value>,
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dynamic_offsets_data_length: v8::Local<'a, v8::Value>,
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) -> Result<(), WebIdlError> {
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const PREFIX: &str =
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"Failed to execute 'setBindGroup' on 'GPUComputePassEncoder'";
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let err = if let Ok(uint_32) = dynamic_offsets.try_cast::<v8::Uint32Array>()
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{
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let start = u64::convert(
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scope,
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dynamic_offsets_data_start,
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Cow::Borrowed(PREFIX),
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(|| Cow::Borrowed("Argument 4")).into(),
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&IntOptions {
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clamp: false,
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enforce_range: true,
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},
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)? as usize;
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let len = u32::convert(
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scope,
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dynamic_offsets_data_length,
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Cow::Borrowed(PREFIX),
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(|| Cow::Borrowed("Argument 5")).into(),
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&IntOptions {
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clamp: false,
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enforce_range: true,
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},
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)? as usize;
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let ab = uint_32.buffer(scope).unwrap();
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let ptr = ab.data().unwrap();
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let ab_len = ab.byte_length() / 4;
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let data =
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unsafe { std::slice::from_raw_parts(ptr.as_ptr() as _, ab_len) };
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let offsets = &data[start..(start + len)];
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self
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.instance
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.render_pass_set_bind_group(
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&mut self.render_pass.borrow_mut(),
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index,
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bind_group.into_option().map(|bind_group| bind_group.id),
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offsets,
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)
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.err()
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} else {
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let offsets = <Option<Vec<u32>>>::convert(
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scope,
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dynamic_offsets,
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Cow::Borrowed(PREFIX),
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(|| Cow::Borrowed("Argument 3")).into(),
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&IntOptions {
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clamp: false,
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enforce_range: true,
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},
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)?
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.unwrap_or_default();
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self
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.instance
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.render_pass_set_bind_group(
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&mut self.render_pass.borrow_mut(),
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index,
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bind_group.into_option().map(|bind_group| bind_group.id),
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&offsets,
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)
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.err()
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};
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self.error_handler.push_error(err);
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Ok(())
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}
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fn set_pipeline(
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&self,
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#[webidl] pipeline: Ptr<crate::render_pipeline::GPURenderPipeline>,
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) {
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let err = self
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.instance
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.render_pass_set_pipeline(&mut self.render_pass.borrow_mut(), pipeline.id)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(2)]
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fn set_index_buffer(
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&self,
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#[webidl] buffer: Ptr<GPUBuffer>,
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#[webidl] index_format: crate::render_pipeline::GPUIndexFormat,
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#[webidl(default = 0, options(enforce_range = true))] offset: u64,
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#[webidl(options(enforce_range = true))] size: Option<u64>,
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) {
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let err = self
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.instance
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.render_pass_set_index_buffer(
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&mut self.render_pass.borrow_mut(),
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buffer.id,
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index_format.into(),
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offset,
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size.and_then(NonZeroU64::new),
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(2)]
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fn set_vertex_buffer(
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&self,
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#[webidl(options(enforce_range = true))] slot: u32,
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#[webidl] buffer: Ptr<GPUBuffer>, // TODO: support nullable buffer
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#[webidl(default = 0, options(enforce_range = true))] offset: u64,
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#[webidl(options(enforce_range = true))] size: Option<u64>,
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) {
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let err = self
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.instance
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.render_pass_set_vertex_buffer(
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&mut self.render_pass.borrow_mut(),
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slot,
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buffer.id,
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offset,
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size.and_then(NonZeroU64::new),
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(1)]
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fn draw(
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&self,
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#[webidl(options(enforce_range = true))] vertex_count: u32,
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#[webidl(default = 1, options(enforce_range = true))] instance_count: u32,
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#[webidl(default = 0, options(enforce_range = true))] first_vertex: u32,
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#[webidl(default = 0, options(enforce_range = true))] first_instance: u32,
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) {
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let err = self
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.instance
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.render_pass_draw(
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&mut self.render_pass.borrow_mut(),
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vertex_count,
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instance_count,
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first_vertex,
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first_instance,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(1)]
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fn draw_indexed(
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&self,
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#[webidl(options(enforce_range = true))] index_count: u32,
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#[webidl(default = 1, options(enforce_range = true))] instance_count: u32,
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#[webidl(default = 0, options(enforce_range = true))] first_index: u32,
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#[webidl(default = 0, options(enforce_range = true))] base_vertex: i32,
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#[webidl(default = 0, options(enforce_range = true))] first_instance: u32,
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) {
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let err = self
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.instance
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.render_pass_draw_indexed(
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&mut self.render_pass.borrow_mut(),
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index_count,
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instance_count,
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first_index,
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base_vertex,
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first_instance,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(2)]
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fn draw_indirect(
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&self,
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#[webidl] indirect_buffer: Ptr<GPUBuffer>,
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#[webidl(options(enforce_range = true))] indirect_offset: u64,
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) {
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let err = self
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.instance
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.render_pass_draw_indirect(
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&mut self.render_pass.borrow_mut(),
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indirect_buffer.id,
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indirect_offset,
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)
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.err();
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self.error_handler.push_error(err);
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}
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#[required(2)]
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fn draw_indexed_indirect(
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&self,
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#[webidl] indirect_buffer: Ptr<GPUBuffer>,
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#[webidl(options(enforce_range = true))] indirect_offset: u64,
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) {
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let err = self
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.instance
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.render_pass_draw_indexed_indirect(
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&mut self.render_pass.borrow_mut(),
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indirect_buffer.id,
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indirect_offset,
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)
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.err();
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self.error_handler.push_error(err);
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}
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}
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#[derive(WebIDL)]
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#[webidl(dictionary)]
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pub(crate) struct GPURenderPassDescriptor {
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#[webidl(default = String::new())]
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pub label: String,
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pub color_attachments: Vec<Nullable<GPURenderPassColorAttachment>>,
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pub depth_stencil_attachment: Option<GPURenderPassDepthStencilAttachment>,
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pub occlusion_query_set: Option<Ptr<crate::query_set::GPUQuerySet>>,
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pub timestamp_writes: Option<GPURenderPassTimestampWrites>,
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#[webidl(default = 50000000)]
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#[options(enforce_range = true)]
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pub max_draw_count: u64,
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}
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#[derive(WebIDL)]
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#[webidl(dictionary)]
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pub(crate) struct GPURenderPassColorAttachment {
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pub view: Ptr<GPUTextureView>,
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#[options(enforce_range = true)]
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pub depth_slice: Option<u32>,
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pub resolve_target: Option<Ptr<GPUTextureView>>,
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pub clear_value: Option<GPUColor>,
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pub load_op: GPULoadOp,
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pub store_op: GPUStoreOp,
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}
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#[derive(WebIDL)]
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#[webidl(enum)]
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pub(crate) enum GPULoadOp {
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Load,
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Clear,
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}
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impl From<GPULoadOp> for wgpu_core::command::LoadOp {
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fn from(value: GPULoadOp) -> Self {
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match value {
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GPULoadOp::Load => Self::Load,
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GPULoadOp::Clear => Self::Clear,
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}
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}
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}
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#[derive(WebIDL)]
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#[webidl(enum)]
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pub(crate) enum GPUStoreOp {
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Store,
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Discard,
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}
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impl From<GPUStoreOp> for wgpu_core::command::StoreOp {
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fn from(value: GPUStoreOp) -> Self {
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match value {
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GPUStoreOp::Store => Self::Store,
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GPUStoreOp::Discard => Self::Discard,
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}
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}
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}
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#[derive(WebIDL)]
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#[webidl(dictionary)]
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pub(crate) struct GPURenderPassDepthStencilAttachment {
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pub view: Ptr<GPUTextureView>,
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pub depth_clear_value: Option<f32>,
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pub depth_load_op: Option<GPULoadOp>,
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pub depth_store_op: Option<GPUStoreOp>,
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#[webidl(default = false)]
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pub depth_read_only: bool,
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#[webidl(default = 0)]
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#[options(enforce_range = true)]
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pub stencil_clear_value: u32,
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pub stencil_load_op: Option<GPULoadOp>,
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pub stencil_store_op: Option<GPUStoreOp>,
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#[webidl(default = false)]
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pub stencil_read_only: bool,
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}
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#[derive(WebIDL)]
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#[webidl(dictionary)]
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pub(crate) struct GPURenderPassTimestampWrites {
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pub query_set: Ptr<crate::query_set::GPUQuerySet>,
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#[options(enforce_range = true)]
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pub beginning_of_pass_write_index: Option<u32>,
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#[options(enforce_range = true)]
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pub end_of_pass_write_index: Option<u32>,
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}
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