Add initial MIS implementation

ray-tracing-tev/src/main.rs

@@ -7,7 +7,7 @@ use ray_tracing_core::{
     scene::Scene,
 };
 use ray_tracing_renderer::{
-    depth_renderer::DepthRenderer, next_event_estimation::NextEventEstimation,
+    depth_renderer::DepthRenderer, mis::MIS, next_event_estimation::NextEventEstimation,
     path_tracer::PathTracer, path_tracer_importance::PathTracerImportance,
 };
 use ray_tracing_scene::examples::example_scenes;
@@ -42,6 +42,7 @@ fn render_image<
 ) -> Result<(), TevError> {
     let mut data = vec![0.0; (renderer.width() * renderer.height() * 3) as usize];
 
+    let start = std::time::Instant::now();
     data.par_chunks_mut(3).enumerate().for_each(|(i, c)| {
         let x = (i % renderer.width() as usize) as u32;
         let y = (i / renderer.width() as usize) as u32;
@@ -55,6 +56,7 @@ fn render_image<
             c[2] += r.b();
         }
     });
+    println!("Rendered \"{}\" in {:?}", name.as_ref(), start.elapsed());
 
     let channel_names = &["r", "g", "b"];
 
@@ -152,5 +154,16 @@ fn main() {
             &mut client,
         )
         .unwrap();
+
+        let r = MIS::new(args.width, args.height);
+        render_image(
+            format!("{scene} - mis"),
+            &r,
+            &s,
+            &c,
+            args.samples_per_pixel,
+            &mut client,
+        )
+        .unwrap();
     }
 }