From: Chris Duncan <chris@zoso.dev>
Date: Sun, 15 Dec 2024 08:38:44 +0000 (-0800)
Subject: Assign bytes in loop. Assign frag color with multiplication instead of branching... 
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=1f51d8d90bcf8bf8586f257599da9b3d40a4be69;p=libnemo.git

Assign bytes in loop. Assign frag color with multiplication instead of branching if statement.
---

diff --git a/src/lib/workers/pow.ts b/src/lib/workers/pow.ts
index a5f6588..7c7ee1e 100644
--- a/src/lib/workers/pow.ts
+++ b/src/lib/workers/pow.ts
@@ -168,14 +168,9 @@ void main() {
 	m[1] = (u_work1.r ^ (u_work1.g << 8) ^ (u_work1.b << 16) ^ (u_work1.a << 24));
 
 	// Block hash
-	m[2] = blockHash[0];
-	m[3] = blockHash[1];
-	m[4] = blockHash[2];
-	m[5] = blockHash[3];
-	m[6] = blockHash[4];
-	m[7] = blockHash[5];
-	m[8] = blockHash[6];
-	m[9] = blockHash[7];
+	for (i=0;i<8;i++) {
+		m[i+2] = blockHash[i];
+	}
 
 	// twelve rounds of mixing
 	for(i=0;i<12;i++) {
@@ -191,15 +186,19 @@ void main() {
 
 	// Threshold test, first 4 bytes not significant,
 	//  only calculate digest of the second 4 bytes
-	if((BLAKE2B_IV32_1 ^ v[1] ^ v[17]) > threshold) {
-		// Success found, return pixel data so work value can be constructed
-		fragColor = vec4(
-			float(x_index + 1u)/255., // +1 to distinguish from 0 (unsuccessful) pixels
-			float(y_index + 1u)/255., // Same as previous
-			float(x_pos)/255., // Return the 2 custom bytes used in work value
-			float(y_pos)/255.  // Second custom byte
+	//if((BLAKE2B_IV32_1 ^ v[1] ^ v[17]) > threshold) {
+		// Success found, set pixel data so work value can be constructed
+		fragColor = mix(
+			fragColor,
+			vec4(
+				float(x_index + 1u)/255., // +1 to distinguish from 0 (unsuccessful) pixels
+				float(y_index + 1u)/255., // Same as previous
+				float(x_pos)/255., // Return the 2 custom bytes used in work value
+				float(y_pos)/255.  // Second custom byte
+			),
+			float((BLAKE2B_IV32_1 ^ v[1] ^ v[17]) > threshold)
 		);
-	}
+	//}
 }`
 
 	/** Used to set canvas size. Must be a multiple of 256. */