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denoland-deno/ext/webgpu/compute_pass.rs
2024-01-04 20:34:51 +01:00

225 lines
6 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::op2;
use deno_core::OpState;
use deno_core::Resource;
use deno_core::ResourceId;
use std::borrow::Cow;
use std::cell::RefCell;
use super::error::WebGpuResult;
pub(crate) struct WebGpuComputePass(
pub(crate) RefCell<wgpu_core::command::ComputePass>,
);
impl Resource for WebGpuComputePass {
fn name(&self) -> Cow<str> {
"webGPUComputePass".into()
}
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_set_pipeline(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
#[smi] pipeline: ResourceId,
) -> Result<WebGpuResult, AnyError> {
let compute_pipeline_resource =
state
.resource_table
.get::<super::pipeline::WebGpuComputePipeline>(pipeline)?;
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
wgpu_core::command::compute_ffi::wgpu_compute_pass_set_pipeline(
&mut compute_pass_resource.0.borrow_mut(),
compute_pipeline_resource.1,
);
Ok(WebGpuResult::empty())
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_dispatch_workgroups(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
x: u32,
y: u32,
z: u32,
) -> Result<WebGpuResult, AnyError> {
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
wgpu_core::command::compute_ffi::wgpu_compute_pass_dispatch_workgroups(
&mut compute_pass_resource.0.borrow_mut(),
x,
y,
z,
);
Ok(WebGpuResult::empty())
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_dispatch_workgroups_indirect(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
#[smi] indirect_buffer: ResourceId,
#[number] indirect_offset: u64,
) -> Result<WebGpuResult, AnyError> {
let buffer_resource = state
.resource_table
.get::<super::buffer::WebGpuBuffer>(indirect_buffer)?;
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
wgpu_core::command::compute_ffi::wgpu_compute_pass_dispatch_workgroups_indirect(
&mut compute_pass_resource.0.borrow_mut(),
buffer_resource.1,
indirect_offset,
);
Ok(WebGpuResult::empty())
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_end(
state: &mut OpState,
#[smi] command_encoder_rid: ResourceId,
#[smi] compute_pass_rid: ResourceId,
) -> Result<WebGpuResult, AnyError> {
let command_encoder_resource = state
.resource_table
.get::<super::command_encoder::WebGpuCommandEncoder>(
command_encoder_rid,
)?;
let command_encoder = command_encoder_resource.1;
let compute_pass_resource = state
.resource_table
.take::<WebGpuComputePass>(compute_pass_rid)?;
let compute_pass = &compute_pass_resource.0.borrow();
let instance = state.borrow::<super::Instance>();
gfx_ok!(command_encoder => instance.command_encoder_run_compute_pass(
command_encoder,
compute_pass
))
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_set_bind_group(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
index: u32,
#[smi] bind_group: ResourceId,
#[buffer] dynamic_offsets_data: &[u32],
#[number] dynamic_offsets_data_start: usize,
#[number] dynamic_offsets_data_length: usize,
) -> Result<WebGpuResult, AnyError> {
let bind_group_resource =
state
.resource_table
.get::<super::binding::WebGpuBindGroup>(bind_group)?;
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
let start = dynamic_offsets_data_start;
let len = dynamic_offsets_data_length;
// Assert that length and start are both in bounds
assert!(start <= dynamic_offsets_data.len());
assert!(len <= dynamic_offsets_data.len() - start);
let dynamic_offsets_data: &[u32] = &dynamic_offsets_data[start..start + len];
// SAFETY: the raw pointer and length are of the same slice, and that slice
// lives longer than the below function invocation.
unsafe {
wgpu_core::command::compute_ffi::wgpu_compute_pass_set_bind_group(
&mut compute_pass_resource.0.borrow_mut(),
index,
bind_group_resource.1,
dynamic_offsets_data.as_ptr(),
dynamic_offsets_data.len(),
);
}
Ok(WebGpuResult::empty())
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_push_debug_group(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
#[string] group_label: &str,
) -> Result<WebGpuResult, AnyError> {
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
let label = std::ffi::CString::new(group_label).unwrap();
// SAFETY: the string the raw pointer points to lives longer than the below
// function invocation.
unsafe {
wgpu_core::command::compute_ffi::wgpu_compute_pass_push_debug_group(
&mut compute_pass_resource.0.borrow_mut(),
label.as_ptr(),
0, // wgpu#975
);
}
Ok(WebGpuResult::empty())
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_pop_debug_group(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
) -> Result<WebGpuResult, AnyError> {
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
wgpu_core::command::compute_ffi::wgpu_compute_pass_pop_debug_group(
&mut compute_pass_resource.0.borrow_mut(),
);
Ok(WebGpuResult::empty())
}
#[op2]
#[serde]
pub fn op_webgpu_compute_pass_insert_debug_marker(
state: &mut OpState,
#[smi] compute_pass_rid: ResourceId,
#[string] marker_label: &str,
) -> Result<WebGpuResult, AnyError> {
let compute_pass_resource = state
.resource_table
.get::<WebGpuComputePass>(compute_pass_rid)?;
let label = std::ffi::CString::new(marker_label).unwrap();
// SAFETY: the string the raw pointer points to lives longer than the below
// function invocation.
unsafe {
wgpu_core::command::compute_ffi::wgpu_compute_pass_insert_debug_marker(
&mut compute_pass_resource.0.borrow_mut(),
label.as_ptr(),
0, // wgpu#975
);
}
Ok(WebGpuResult::empty())
}