From: Chris Duncan <chris@zoso.dev>
Date: Mon, 20 Jan 2025 07:24:36 +0000 (-0800)
Subject: Simplify m initialization with swizzles, and switch them from var to let to enforce... 
X-Git-Tag: v2.0.0~8
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=4ba5b827d265e1635241a88f8f65b1316231baee;p=nano-pow.git

Simplify m initialization with swizzles, and switch them from var to let to enforce immutability.
---

diff --git a/src/shaders/compute.wgsl b/src/shaders/compute.wgsl
index dac36e2..d441379 100644
--- a/src/shaders/compute.wgsl
+++ b/src/shaders/compute.wgsl
@@ -65,11 +65,11 @@ fn main(id: vec3<u32>) {
 	/**
 	* Initialize (nonce||blockhash) concatenation
 	*/
-	var m0: vec2<u32> = ubo.random ^ vec2(id.x, id.y);
-	var m1: vec2<u32> = vec2(ubo.blockhash[0u].x, ubo.blockhash[0u].y);
-	var m2: vec2<u32> = vec2(ubo.blockhash[0u].z, ubo.blockhash[0u].w);
-	var m3: vec2<u32> = vec2(ubo.blockhash[1u].x, ubo.blockhash[1u].y);
-	var m4: vec2<u32> = vec2(ubo.blockhash[1u].z, ubo.blockhash[1u].w);
+	let m0: vec2<u32> = ubo.random ^ id.xy;
+	let m1: vec2<u32> = ubo.blockhash[0u].xy;
+	let m2: vec2<u32> = ubo.blockhash[0u].zw;
+	let m3: vec2<u32> = ubo.blockhash[1u].xy;
+	let m4: vec2<u32> = ubo.blockhash[1u].zw;
 
 	/**
 	* Compression buffer initialized to 2 instances of initialization vector. Each