tessera_ui/renderer/
drawer.rs

1//! Graphics rendering pipeline management.
2//!
3//! This module provides the drawing infrastructure for the unified command system,
4//! handling graphics pipeline registration and command dispatch.
5
6pub mod command;
7mod pipeline;
8
9use crate::{PxPosition, px::PxSize};
10
11pub use command::{BarrierRequirement, DrawCommand};
12pub use pipeline::{DrawablePipeline, PipelineRegistry};
13
14/// Drawer manages graphics pipelines and processes draw commands.
15///
16/// The Drawer acts as the central coordinator for all graphics rendering operations,
17/// maintaining a registry of pipelines and dispatching draw commands to the appropriate
18/// pipeline implementations.
19pub struct Drawer {
20    /// Registry containing all registered graphics pipelines
21    pub pipeline_registry: PipelineRegistry,
22}
23
24impl Default for Drawer {
25    fn default() -> Self {
26        Self::new()
27    }
28}
29
30impl Drawer {
31    /// Create a new drawer
32    pub fn new() -> Self {
33        Self {
34            pipeline_registry: PipelineRegistry::new(),
35        }
36    }
37
38    /// Initialize all pipelines at the beginning of each render pass.
39    ///
40    /// This method calls the `begin_pass` method on all registered pipelines,
41    /// allowing them to set up per-pass state such as uniform buffers.
42    pub fn begin_pass(
43        &mut self,
44        gpu: &wgpu::Device,
45        queue: &wgpu::Queue,
46        config: &wgpu::SurfaceConfiguration,
47        render_pass: &mut wgpu::RenderPass<'_>,
48    ) {
49        self.pipeline_registry
50            .begin_all_passes(gpu, queue, config, render_pass);
51    }
52
53    /// Finalize all pipelines at the end of each render pass.
54    ///
55    /// This method calls the `end_pass` method on all registered pipelines,
56    /// allowing them to perform cleanup or final operations.
57    pub fn end_pass(
58        &mut self,
59        gpu: &wgpu::Device,
60        queue: &wgpu::Queue,
61        config: &wgpu::SurfaceConfiguration,
62        render_pass: &mut wgpu::RenderPass<'_>,
63    ) {
64        self.pipeline_registry
65            .end_all_passes(gpu, queue, config, render_pass);
66    }
67
68    /// Submit a draw command to the appropriate pipeline for rendering.
69    ///
70    /// This method dispatches the command to the correct pipeline based on its type,
71    /// providing all necessary context including GPU resources, render pass, and
72    /// positioning information.
73    ///
74    /// # Arguments
75    /// * `cmd` - The draw command to execute
76    /// * `size` - Size of the component being drawn
77    /// * `start_pos` - Position where drawing should begin
78    /// * `scene_texture_view` - Optional background texture for sampling
79    /// * `compute_texture_view` - Compute pipeline output texture
80    pub fn submit(
81        &mut self,
82        gpu: &wgpu::Device,
83        queue: &wgpu::Queue,
84        config: &wgpu::SurfaceConfiguration,
85        render_pass: &mut wgpu::RenderPass<'_>,
86        cmd: &dyn DrawCommand,
87        size: PxSize,
88        start_pos: PxPosition,
89        scene_texture_view: &wgpu::TextureView,
90    ) {
91        self.pipeline_registry.dispatch(
92            gpu,
93            queue,
94            config,
95            render_pass,
96            cmd,
97            size,
98            start_pos,
99            scene_texture_view,
100        );
101    }
102}
tessera_ui/renderer/drawer.rs

tessera_ui/renderer/
drawer.rs
