From 14721633b2afc91673487906f04752b9bc1b46c2 Mon Sep 17 00:00:00 2001
From: hizzlekizzle <hizzlekizzle@users.noreply.github.com>
Date: Fri, 10 Jun 2022 08:33:15 -0500
Subject: [PATCH] add black/white masks to subpixel mask function

---
 include/subpixel_masks.h | 42 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/include/subpixel_masks.h b/include/subpixel_masks.h
index e216a6b..3f509eb 100644
--- a/include/subpixel_masks.h
+++ b/include/subpixel_masks.h
@@ -322,6 +322,26 @@ vec3 mask_weights(vec2 coord, float mask_intensity, int phosphor_layout){
       weights = slot[w][z];
       return weights;
    }
+	
+   else if(phosphor_layout == 22){
+      // black and white aperture; good for weird subpixel layouts and low brightness; good for 1080p and lower
+      vec3 bw3[3] = vec3[](black, white, white);
+      
+      z = int(floor(mod(coord.x, 3.0)));
+      
+      weights = bw3[z];
+      return weights;
+   }
+
+   else if(phosphor_layout == 23){
+      // black and white aperture; good for weird subpixel layouts and low brightness; good for 4k 
+      vec3 bw4[4] = vec3[](black, black, white, white);
+      
+      z = int(floor(mod(coord.x, 4.0)));
+      
+      weights = bw4[z];
+      return weights;
+   }
 
    else return weights;
 }
@@ -642,6 +662,28 @@ vec3 mask_weights_alpha(vec2 coord, float mask_intensity, int phosphor_layout, o
       alpha = 21./96.;
       return weights;
    }
+	
+   else if(phosphor_layout == 22){
+      // black and white aperture; good for weird subpixel layouts and low brightness; good for 1080p and lower
+      vec3 bw3[3] = vec3[](black, white, white);
+      
+      z = int(floor(mod(coord.x, 3.0)));
+      
+      weights = bw3[z];
+      alpha = 2./3.;
+      return weights;
+   }
+
+   else if(phosphor_layout == 23){
+      // black and white aperture; good for weird subpixel layouts and low brightness; good for 4k 
+      vec3 bw4[4] = vec3[](black, black, white, white);
+      
+      z = int(floor(mod(coord.x, 4.0)));
+      
+      weights = bw4[z];
+      alpha = 0.5;
+      return weights;
+   }
 
    else return weights;
 }