From 14f7b47f2c2315d0de5e52d31c57fe07a15d08ad Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Fri, 12 Feb 2021 23:33:50 +0100
Subject: Implement multithreaded compiling of tiles

---
 src/sample/mod.rs     | 2 ++
 src/sample/uniform.rs | 6 ++++++
 2 files changed, 8 insertions(+)

(limited to 'src/sample')

diff --git a/src/sample/mod.rs b/src/sample/mod.rs
index 88e1aa9..1a53921 100644
--- a/src/sample/mod.rs
+++ b/src/sample/mod.rs
@@ -16,6 +16,8 @@ pub trait Sampler {
         Vector2f::new_xy(self.get_sample(), self.get_sample())
     }
 
+    fn clone_and_seed(&mut self) -> Box<dyn Sampler + Send>;
+
     fn get_unit_vector(&mut self) -> Vector3f {
         let s2d = self.get_sample_2d();
 
diff --git a/src/sample/uniform.rs b/src/sample/uniform.rs
index 2cd3156..c144f27 100644
--- a/src/sample/uniform.rs
+++ b/src/sample/uniform.rs
@@ -30,4 +30,10 @@ impl Sampler for UniformSampler {
     fn get_sample(&mut self) -> Float {
         self.d.sample(&mut self.r)
     }
+
+    fn clone_and_seed(&mut self) -> Box<dyn Sampler + Send> {
+        let mut n = self.clone();
+        n.r = Pcg32::seed_from_u64(self.r.next_u64());
+        Box::new(n)
+    }
 }
-- 
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