From 5f3e40276c634554dc5311c9a70723579e7c595f Mon Sep 17 00:00:00 2001
From: y-jan137 <yousefjan24000@gmail.com>
Date: Wed, 29 Apr 2026 08:23:21 +0300
Subject: Add 1D span descriptor buffer

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'README.md')

diff --git a/README.md b/README.md
index e9f317e..ef7e82e 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,11 @@
 swift build -c release
 ./.build/release/pixel-sort input.png output2.png --lower 0.2 --upper 0.8 --key brightness
 ```
+
+Performance target: 2ms max for 1080p
+
+Shader optimization bottlenecks:
+- VRAM
+- Shader code itself
+    - Texture sampling (memory bandwidth): precalculate sorting value (SortKey)
+    -
-- 
cgit v1.2.3