95 lines
2.7 KiB
Rust
95 lines
2.7 KiB
Rust
//! Cyborg is a high-performance, modern, experimental rendering engine written
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//! in Rust.
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use rayon::prelude::*;
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use std::sync::{Arc, RwLock};
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use strum::IntoEnumIterator;
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pub mod handle;
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pub mod pass;
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pub mod phase;
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pub mod scene;
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use pass::*;
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use phase::*;
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pub struct Renderer {
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pub frames_in_flight: usize,
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pub render_passes: Vec<Box<dyn RenderPassBoxTrait>>,
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}
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impl Default for Renderer {
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fn default() -> Self {
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Self {
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frames_in_flight: 2,
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render_passes: Vec::new(),
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}
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}
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}
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impl Renderer {
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pub fn add_pass<T: 'static + RenderPass>(&mut self, pass: T) {
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let pass = Arc::new(RwLock::new(pass));
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self.add_pass_arc(pass);
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}
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pub fn add_pass_arc<T: 'static + RenderPass>(&mut self, pass: Arc<RwLock<T>>) {
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let pass = RenderPassBox::new(pass, self.frames_in_flight);
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self.add_pass_box(pass);
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}
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pub fn add_pass_box(&mut self, pass: Box<dyn RenderPassBoxTrait>) {
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self.render_passes.push(pass);
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}
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pub fn render(&mut self) {
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let frame_index = 0;
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let phase_passes = PhaseMultiMap::<usize>::default();
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let phase_passes = std::sync::Mutex::new(phase_passes);
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self.render_passes
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.par_iter_mut()
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.enumerate()
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.for_each(|(pass_index, rp)| {
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let mut phases_buf = PhaseList::default();
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phases_buf.clear();
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rp.begin_frame(frame_index, &mut phases_buf);
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phase_passes
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.lock()
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.unwrap()
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.insert_multi(&phases_buf, pass_index);
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});
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let phase_passes = phase_passes.into_inner().unwrap();
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PrePhase::iter().par_bridge().for_each(|phase| {
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for pass_index in phase_passes.iter_pre(&phase) {
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let pass = &self.render_passes[*pass_index];
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let mut encoder = gpu::RenderBundleEncoder;
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pass.render_pre(phase, frame_index, &mut encoder);
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}
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});
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let viewport = ViewportData;
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ViewportPhase::iter().par_bridge().for_each(|phase| {
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for pass_index in phase_passes.iter_viewport(&phase) {
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let pass = &self.render_passes[*pass_index];
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let mut encoder = gpu::RenderBundleEncoder;
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pass.render_viewport(phase, frame_index, &viewport, &mut encoder);
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}
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});
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}
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}
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/// Mock GPU API (like Vulkan, WebGPU, or OpenGL) types for prototyping.
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pub mod gpu {
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/// Thread-safe GPU command recorder that's later executed in a command buffer.
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///
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/// Also known as a:
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/// - RenderBundleEncoder in WebGPU
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/// - secondary command buffer in Vulkan
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pub struct RenderBundleEncoder;
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}
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