From 1bbe6653d2d7fad881542695014855105f4e9aca Mon Sep 17 00:00:00 2001
From: Roz K <roz@rozk.net>
Date: Fri, 12 Sep 2025 03:00:28 +0200
Subject: [PATCH] fix pixel scale

---
 gopro_8:7/unfish_gopro_8:7.glsl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gopro_8:7/unfish_gopro_8:7.glsl b/gopro_8:7/unfish_gopro_8:7.glsl
index 85ef185..36805ba 100644
--- a/gopro_8:7/unfish_gopro_8:7.glsl
+++ b/gopro_8:7/unfish_gopro_8:7.glsl
@@ -34,7 +34,7 @@ float inv_output_len;
 
 vec4 unfish(const in vec2 coord) {
     float len = max(0.001, length(coord));
-    vec2 y_coord = center + (coord * pixel_scale) * ((input_len / len) * atan(len * inv_output_len));
+    vec2 y_coord = center + coord * ((input_len / len) * atan(len * inv_output_len));
     vec2 uv_coord = y_coord * 0.5;
     return vec4(
         texture2DRect(myTextureY, y_coord).r,
@@ -57,7 +57,7 @@ void main() {
     for (int column = 0; column < subsampling; column++, y += substep) {
         x = substart;
         for (int row = 0; row < subsampling; row++, x += substep) {
-            pixel += unfish(coord + vec2(x, y));
+            pixel += unfish((coord + vec2(x, y)) * pixel_scale);
         }
     }