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denoland-deno/ext/webgpu/texture.rs

132 lines
3.3 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::op2;
use deno_core::OpState;
use deno_core::Resource;
use deno_core::ResourceId;
use serde::Deserialize;
use std::borrow::Cow;
use std::rc::Rc;
use super::error::WebGpuResult;
pub(crate) struct WebGpuTexture {
pub(crate) instance: crate::Instance,
pub(crate) id: wgpu_core::id::TextureId,
pub(crate) owned: bool,
}
impl Resource for WebGpuTexture {
fn name(&self) -> Cow<str> {
"webGPUTexture".into()
}
fn close(self: Rc<Self>) {
if self.owned {
let instance = &self.instance;
gfx_select!(self.id => instance.texture_drop(self.id, true));
}
}
}
pub(crate) struct WebGpuTextureView(
pub(crate) crate::Instance,
pub(crate) wgpu_core::id::TextureViewId,
);
impl Resource for WebGpuTextureView {
fn name(&self) -> Cow<str> {
"webGPUTextureView".into()
}
fn close(self: Rc<Self>) {
gfx_select!(self.1 => self.0.texture_view_drop(self.1, true)).unwrap();
}
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CreateTextureArgs {
device_rid: ResourceId,
label: String,
size: wgpu_types::Extent3d,
mip_level_count: u32,
sample_count: u32,
dimension: wgpu_types::TextureDimension,
format: wgpu_types::TextureFormat,
usage: u32,
view_formats: Vec<wgpu_types::TextureFormat>,
}
#[op2]
#[serde]
pub fn op_webgpu_create_texture(
state: &mut OpState,
#[serde] args: CreateTextureArgs,
) -> Result<WebGpuResult, deno_core::error::AnyError> {
let instance = state.borrow::<super::Instance>();
let device_resource = state
.resource_table
.get::<super::WebGpuDevice>(args.device_rid)?;
let device = device_resource.1;
let descriptor = wgpu_core::resource::TextureDescriptor {
label: Some(Cow::Owned(args.label)),
size: args.size,
mip_level_count: args.mip_level_count,
sample_count: args.sample_count,
dimension: args.dimension,
format: args.format,
usage: wgpu_types::TextureUsages::from_bits_truncate(args.usage),
view_formats: args.view_formats,
};
let (val, maybe_err) = gfx_select!(device => instance.device_create_texture(
device,
&descriptor,
None
));
let rid = state.resource_table.add(WebGpuTexture {
instance: instance.clone(),
id: val,
owned: true,
});
Ok(WebGpuResult::rid_err(rid, maybe_err))
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CreateTextureViewArgs {
texture_rid: ResourceId,
label: String,
format: Option<wgpu_types::TextureFormat>,
dimension: Option<wgpu_types::TextureViewDimension>,
#[serde(flatten)]
range: wgpu_types::ImageSubresourceRange,
}
#[op2]
#[serde]
pub fn op_webgpu_create_texture_view(
state: &mut OpState,
#[serde] args: CreateTextureViewArgs,
) -> Result<WebGpuResult, deno_core::error::AnyError> {
let instance = state.borrow::<super::Instance>();
let texture_resource = state
.resource_table
.get::<WebGpuTexture>(args.texture_rid)?;
let texture = texture_resource.id;
let descriptor = wgpu_core::resource::TextureViewDescriptor {
label: Some(Cow::Owned(args.label)),
format: args.format,
dimension: args.dimension,
range: args.range,
};
gfx_put!(texture => instance.texture_create_view(
texture,
&descriptor,
None
) => state, WebGpuTextureView)
}