From 98395e1909de4b077d4ed0d7b87e057e7ee135d5 Mon Sep 17 00:00:00 2001
From: Comma Device <device@comma.ai>
Date: Thu, 25 Feb 2021 16:37:28 -0800
Subject: [PATCH] gamma last and only one ccm

old-commit-hash: e3afd72265c825c862d719b7ab91661a8a305982
---
 selfdrive/camerad/cameras/real_debayer.cl | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/selfdrive/camerad/cameras/real_debayer.cl b/selfdrive/camerad/cameras/real_debayer.cl
index 4fc787adc1..982d3d06a2 100644
--- a/selfdrive/camerad/cameras/real_debayer.cl
+++ b/selfdrive/camerad/cameras/real_debayer.cl
@@ -9,13 +9,6 @@ const __constant half3 color_correction[3] = {
   (half3)(-0.21523926, -0.13449348, 1.47665819),
 };
 
-const __constant half3 alt_ccm[3] = {
-  (half3)(0.84166382, -0.25025687, 0.1593848),
-  (half3)(0.25124881, 1.13196952, 0.16597516),
-  (half3)(-0.09291263, 0.11828735, 0.67464003),
-};
-
-
 // tone mapping params
 const half cpk = 0.75;
 const half cpb = 0.125;
@@ -36,13 +29,12 @@ half mf(half x, half cp) {
 half3 color_correct(half3 rgb, int ggain) {
   half3 ret = (0,0,0);
   half cpx = clamp(0.03h, 0.1h, cpxb + cpxk * min(10, ggain));
-  rgb.x = mf(rgb.x, cpx);
-  rgb.y = mf(rgb.y, cpx);
-  rgb.z = mf(rgb.z, cpx);
-  half alp = 1.0 - 0.07*ggain;
-  ret += (half)rgb.x * (alp*color_correction[0]+(1-alp)*alt_ccm[0]);
-  ret += (half)rgb.y * (alp*color_correction[1]+(1-alp)*alt_ccm[1]);
-  ret += (half)rgb.z * (alp*color_correction[2]+(1-alp)*alt_ccm[2]);
+  ret += (half)rgb.x * color_correction[0];
+  ret += (half)rgb.y * color_correction[1];
+  ret += (half)rgb.z * color_correction[2];
+  ret.x = mf(ret.x, cpx);
+  ret.y = mf(ret.y, cpx);
+  ret.z = mf(ret.z, cpx);
   ret = clamp(0.0h, 255.0h, ret*255.0h);
   return ret;
 }