no less than 10bit

1 year ago · 4cef3422b3
parent 28506794db
commit 4cef3422b3
1 changed files with 1 additions and 1 deletions
--- a/system/camerad/cameras/real_debayer.cl
+++ b/system/camerad/cameras/real_debayer.cl
@ -26,7 +26,7 @@ float3 color_correct(float3 rgb, int expo) {
  #if IS_OX
  return -0.507089*exp(-12.54124638*x)+0.9655*powr(x,0.5)-0.472597*x+0.507089;
  #elif IS_OS
-  float s = log2((float)expo);
+  float s = fmax(log2((float)expo), 6.0);
  return clamp(log(1 + x*65536.0) * (0.43*s*s - 11.9*s + 110.0) - (0.96*s*s - 26.8*s + 248.0), 0.0, 255.0) / 255.0;
  #else
  // tone mapping params