webgpu_traits/
render_commands.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5//! Render pass commands
6
7use serde::{Deserialize, Serialize};
8use wgpu_core::command::{PassStateError, RenderPass};
9use wgpu_core::global::Global;
10use wgpu_core::id::{BindGroupId, BufferId, RenderBundleId, RenderPipelineId};
11
12/// <https://github.com/gfx-rs/wgpu/blob/f25e07b984ab391628d9568296d5970981d79d8b/wgpu-core/src/command/render_command.rs#L17>
13#[derive(Debug, Deserialize, Serialize)]
14pub enum RenderCommand {
15    SetPipeline(RenderPipelineId),
16    SetBindGroup {
17        index: u32,
18        bind_group_id: BindGroupId,
19        offsets: Vec<u32>,
20    },
21    SetViewport {
22        x: f32,
23        y: f32,
24        width: f32,
25        height: f32,
26        min_depth: f32,
27        max_depth: f32,
28    },
29    SetScissorRect {
30        x: u32,
31        y: u32,
32        width: u32,
33        height: u32,
34    },
35    SetBlendConstant(wgpu_types::Color),
36    SetStencilReference(u32),
37    SetIndexBuffer {
38        buffer_id: BufferId,
39        index_format: wgpu_types::IndexFormat,
40        offset: u64,
41        size: Option<wgpu_types::BufferSize>,
42    },
43    SetVertexBuffer {
44        slot: u32,
45        buffer_id: BufferId,
46        offset: u64,
47        size: Option<wgpu_types::BufferSize>,
48    },
49    Draw {
50        vertex_count: u32,
51        instance_count: u32,
52        first_vertex: u32,
53        first_instance: u32,
54    },
55    DrawIndexed {
56        index_count: u32,
57        instance_count: u32,
58        first_index: u32,
59        base_vertex: i32,
60        first_instance: u32,
61    },
62    DrawIndirect {
63        buffer_id: BufferId,
64        offset: u64,
65    },
66    DrawIndexedIndirect {
67        buffer_id: BufferId,
68        offset: u64,
69    },
70    ExecuteBundles(Vec<RenderBundleId>),
71}
72
73pub fn apply_render_command(
74    global: &Global,
75    pass: &mut RenderPass,
76    command: RenderCommand,
77) -> Result<(), PassStateError> {
78    match command {
79        RenderCommand::SetPipeline(pipeline_id) => {
80            global.render_pass_set_pipeline(pass, pipeline_id)
81        },
82        RenderCommand::SetBindGroup {
83            index,
84            bind_group_id,
85            offsets,
86        } => global.render_pass_set_bind_group(pass, index, Some(bind_group_id), &offsets),
87        RenderCommand::SetViewport {
88            x,
89            y,
90            width,
91            height,
92            min_depth,
93            max_depth,
94        } => global.render_pass_set_viewport(pass, x, y, width, height, min_depth, max_depth),
95        RenderCommand::SetScissorRect {
96            x,
97            y,
98            width,
99            height,
100        } => global.render_pass_set_scissor_rect(pass, x, y, width, height),
101        RenderCommand::SetBlendConstant(color) => {
102            global.render_pass_set_blend_constant(pass, color)
103        },
104        RenderCommand::SetStencilReference(reference) => {
105            global.render_pass_set_stencil_reference(pass, reference)
106        },
107        RenderCommand::SetIndexBuffer {
108            buffer_id,
109            index_format,
110            offset,
111            size,
112        } => global.render_pass_set_index_buffer(pass, buffer_id, index_format, offset, size),
113        RenderCommand::SetVertexBuffer {
114            slot,
115            buffer_id,
116            offset,
117            size,
118        } => global.render_pass_set_vertex_buffer(pass, slot, buffer_id, offset, size),
119        RenderCommand::Draw {
120            vertex_count,
121            instance_count,
122            first_vertex,
123            first_instance,
124        } => global.render_pass_draw(
125            pass,
126            vertex_count,
127            instance_count,
128            first_vertex,
129            first_instance,
130        ),
131        RenderCommand::DrawIndexed {
132            index_count,
133            instance_count,
134            first_index,
135            base_vertex,
136            first_instance,
137        } => global.render_pass_draw_indexed(
138            pass,
139            index_count,
140            instance_count,
141            first_index,
142            base_vertex,
143            first_instance,
144        ),
145        RenderCommand::DrawIndirect { buffer_id, offset } => {
146            global.render_pass_draw_indirect(pass, buffer_id, offset)
147        },
148        RenderCommand::DrawIndexedIndirect { buffer_id, offset } => {
149            global.render_pass_draw_indexed_indirect(pass, buffer_id, offset)
150        },
151        RenderCommand::ExecuteBundles(bundles) => {
152            global.render_pass_execute_bundles(pass, &bundles)
153        },
154    }
155}
webgpu_traits/render_commands.rs

webgpu_traits/
render_commands.rs
