Move script gpu files into webgpu folder (#34415)

Signed-off-by: atbrakhi <atbrakhi@igalia.com>

components/script/dom/webgpu/gpurenderpassencoder.rs

@@ -0,0 +1,249 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use dom_struct::dom_struct;
+use webgpu::{wgt, RenderCommand, WebGPU, WebGPURenderPass, WebGPURequest};
+
+use crate::dom::bindings::cell::DomRefCell;
+use crate::dom::bindings::codegen::Bindings::WebGPUBinding::{
+    GPUColor, GPUIndexFormat, GPURenderPassEncoderMethods,
+};
+use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::num::Finite;
+use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::bindings::str::USVString;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::gpubindgroup::GPUBindGroup;
+use crate::dom::gpubuffer::GPUBuffer;
+use crate::dom::gpucommandencoder::GPUCommandEncoder;
+use crate::dom::gpurenderbundle::GPURenderBundle;
+use crate::dom::gpurenderpipeline::GPURenderPipeline;
+
+#[dom_struct]
+pub struct GPURenderPassEncoder {
+    reflector_: Reflector,
+    #[ignore_malloc_size_of = "defined in webgpu"]
+    #[no_trace]
+    channel: WebGPU,
+    label: DomRefCell<USVString>,
+    #[no_trace]
+    render_pass: WebGPURenderPass,
+    command_encoder: Dom<GPUCommandEncoder>,
+}
+
+impl GPURenderPassEncoder {
+    fn new_inherited(
+        channel: WebGPU,
+        render_pass: WebGPURenderPass,
+        parent: &GPUCommandEncoder,
+        label: USVString,
+    ) -> Self {
+        Self {
+            channel,
+            reflector_: Reflector::new(),
+            label: DomRefCell::new(label),
+            render_pass,
+            command_encoder: Dom::from_ref(parent),
+        }
+    }
+
+    pub fn new(
+        global: &GlobalScope,
+        channel: WebGPU,
+        render_pass: WebGPURenderPass,
+        parent: &GPUCommandEncoder,
+        label: USVString,
+    ) -> DomRoot<Self> {
+        reflect_dom_object(
+            Box::new(GPURenderPassEncoder::new_inherited(
+                channel,
+                render_pass,
+                parent,
+                label,
+            )),
+            global,
+        )
+    }
+
+    fn send_render_command(&self, render_command: RenderCommand) {
+        if let Err(e) = self.channel.0.send(WebGPURequest::RenderPassCommand {
+            render_pass_id: self.render_pass.0,
+            render_command,
+            device_id: self.command_encoder.device_id().0,
+        }) {
+            warn!("Error sending WebGPURequest::RenderPassCommand: {e:?}")
+        }
+    }
+}
+
+impl GPURenderPassEncoderMethods<crate::DomTypeHolder> for GPURenderPassEncoder {
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label>
+    fn Label(&self) -> USVString {
+        self.label.borrow().clone()
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpuobjectbase-label>
+    fn SetLabel(&self, value: USVString) {
+        *self.label.borrow_mut() = value;
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpuprogrammablepassencoder-setbindgroup>
+    fn SetBindGroup(&self, index: u32, bind_group: &GPUBindGroup, offsets: Vec<u32>) {
+        self.send_render_command(RenderCommand::SetBindGroup {
+            index,
+            bind_group_id: bind_group.id().0,
+            offsets,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderpassencoder-setviewport>
+    fn SetViewport(
+        &self,
+        x: Finite<f32>,
+        y: Finite<f32>,
+        width: Finite<f32>,
+        height: Finite<f32>,
+        min_depth: Finite<f32>,
+        max_depth: Finite<f32>,
+    ) {
+        self.send_render_command(RenderCommand::SetViewport {
+            x: *x,
+            y: *y,
+            width: *width,
+            height: *height,
+            min_depth: *min_depth,
+            max_depth: *max_depth,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderpassencoder-setscissorrect>
+    fn SetScissorRect(&self, x: u32, y: u32, width: u32, height: u32) {
+        self.send_render_command(RenderCommand::SetScissorRect {
+            x,
+            y,
+            width,
+            height,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderpassencoder-setblendcolor>
+    fn SetBlendConstant(&self, color: GPUColor) -> Fallible<()> {
+        self.send_render_command(RenderCommand::SetBlendConstant((&color).try_into()?));
+        Ok(())
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderpassencoder-setstencilreference>
+    fn SetStencilReference(&self, reference: u32) {
+        self.send_render_command(RenderCommand::SetStencilReference(reference))
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderpassencoder-end>
+    fn End(&self) {
+        if let Err(e) = self.channel.0.send(WebGPURequest::EndRenderPass {
+            render_pass_id: self.render_pass.0,
+            device_id: self.command_encoder.device_id().0,
+            command_encoder_id: self.command_encoder.id().0,
+        }) {
+            warn!("Failed to send WebGPURequest::EndRenderPass: {e:?}");
+        }
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderencoderbase-setpipeline>
+    fn SetPipeline(&self, pipeline: &GPURenderPipeline) {
+        self.send_render_command(RenderCommand::SetPipeline(pipeline.id().0))
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurendercommandsmixin-setindexbuffer>
+    fn SetIndexBuffer(
+        &self,
+        buffer: &GPUBuffer,
+        index_format: GPUIndexFormat,
+        offset: u64,
+        size: u64,
+    ) {
+        self.send_render_command(RenderCommand::SetIndexBuffer {
+            buffer_id: buffer.id().0,
+            index_format: match index_format {
+                GPUIndexFormat::Uint16 => wgt::IndexFormat::Uint16,
+                GPUIndexFormat::Uint32 => wgt::IndexFormat::Uint32,
+            },
+            offset,
+            size: wgt::BufferSize::new(size),
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderencoderbase-setvertexbuffer>
+    fn SetVertexBuffer(&self, slot: u32, buffer: &GPUBuffer, offset: u64, size: u64) {
+        self.send_render_command(RenderCommand::SetVertexBuffer {
+            slot,
+            buffer_id: buffer.id().0,
+            offset,
+            size: wgt::BufferSize::new(size),
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderencoderbase-draw>
+    fn Draw(&self, vertex_count: u32, instance_count: u32, first_vertex: u32, first_instance: u32) {
+        self.send_render_command(RenderCommand::Draw {
+            vertex_count,
+            instance_count,
+            first_vertex,
+            first_instance,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderencoderbase-drawindexed>
+    fn DrawIndexed(
+        &self,
+        index_count: u32,
+        instance_count: u32,
+        first_index: u32,
+        base_vertex: i32,
+        first_instance: u32,
+    ) {
+        self.send_render_command(RenderCommand::DrawIndexed {
+            index_count,
+            instance_count,
+            first_index,
+            base_vertex,
+            first_instance,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderencoderbase-drawindirect>
+    fn DrawIndirect(&self, buffer: &GPUBuffer, offset: u64) {
+        self.send_render_command(RenderCommand::DrawIndirect {
+            buffer_id: buffer.id().0,
+            offset,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderencoderbase-drawindexedindirect>
+    fn DrawIndexedIndirect(&self, buffer: &GPUBuffer, offset: u64) {
+        self.send_render_command(RenderCommand::DrawIndexedIndirect {
+            buffer_id: buffer.id().0,
+            offset,
+        })
+    }
+
+    /// <https://gpuweb.github.io/gpuweb/#dom-gpurenderpassencoder-executebundles>
+    #[allow(unsafe_code)]
+    fn ExecuteBundles(&self, bundles: Vec<DomRoot<GPURenderBundle>>) {
+        let bundle_ids: Vec<_> = bundles.iter().map(|b| b.id().0).collect();
+        self.send_render_command(RenderCommand::ExecuteBundles(bundle_ids))
+    }
+}
+
+impl Drop for GPURenderPassEncoder {
+    fn drop(&mut self) {
+        if let Err(e) = self
+            .channel
+            .0
+            .send(WebGPURequest::DropRenderPass(self.render_pass.0))
+        {
+            warn!("Failed to send WebGPURequest::DropRenderPass with {e:?}");
+        }
+    }
+}