this isn't working i give up for now

Common/src/main/java/at/petrak/hexcasting/client/render/overlays/EigengrauOverlay.java

@@ -37,10 +37,6 @@ public class EigengrauOverlay {
             var post = mogrwbjah.hex$postEffect();
             var passes = ((AccessorPostChain) post).hex$getPasses();
 
-            var window = Minecraft.getInstance().getWindow();
-            int w = window.getWidth();
-            int h = window.getHeight();
-
             var passPresent = passes.get(0);
             passPresent.getEffect().setSampler("simulation",
                 () -> EIGENGRAU_BZ_SIMULATION.getColorTextureId());

Common/src/main/resources/assets/minecraft/shaders/post/hexcasting__eigengrau_presenter_entrypoint.json5

@@ -12,14 +12,34 @@
       outtarget: "swap",
       auxtargets: [
         {
-          name: "bz",
+          name: "BZSampler",
           id: "simulation",
         },
         {
-          name: "veil",
+          name: "VeilSampler",
           id: "veil",
         }
       ],
+      uniforms: [
+        {
+          "name": "InSize",
+          "type": "float",
+          "count": 2,
+          "values": [
+            1.0,
+            1.0
+          ]
+        },
+        {
+          "name": "OutSize",
+          "type": "float",
+          "count": 2,
+          "values": [
+            1.0,
+            1.0
+          ]
+        }
+      ]
     },
     {
       "name": "blit",

Common/src/main/resources/assets/minecraft/shaders/program/hexcasting__eigengrau_presenter.fsh

@@ -2,10 +2,12 @@
 
 // see PostPass.java: the game texture has a defined name
 uniform sampler2D DiffuseSampler;
-uniform sampler2D veil;
-uniform sampler2D bz;
+uniform sampler2D BZSampler;
+uniform sampler2D VeilSampler;
 
 uniform vec2 ScreenSize;
+uniform vec2 InSize;
+uniform vec2 OutSize;
 
 const float resolution = 5.0;
 
@@ -42,12 +44,12 @@ void main() {
     ivec2 hex = pxToHex(texCoord0 * ScreenSize);
     vec2 pxAgain = hexToPx(hex);
 
-    vec2 veil = texture(veil, texCoord0).rg;
+    vec2 veil = texture(VeilSampler, texCoord0).rg;
     float brightness = (worldSample.r + worldSample.g + worldSample.b) / 3.0;
     float eigengrauAmount = clamp(veil.r + mix(0.0, veil.g, 1.0 - brightness), 0.5, 1.0);
 
     vec2 st = vec2(float(hex.x), float(hex.y)) / resolution;
-    float eigengrauSample = texture(bz, st).r / 100.0;
+    float eigengrauSample = texture(BZSampler, st).r / 100.0;
     //    vec3 col = smoothstep(worldSample, vec3(eigengrauSample), vec3(eigengrauAmount));
     vec3 col = worldSample;
     gl_FragColor = vec4(col, worldSample4.a);

Common/src/main/resources/assets/minecraft/shaders/program/hexcasting__eigengrau_presenter.json5

@@ -4,7 +4,7 @@
     "srcrgb": "one",
     "dstrgb": "zero"
   },
-  "vertex": "screenquad",
+  "vertex": "sobel",
   "fragment": "hexcasting__eigengrau_presenter",
   "attributes": [
     "Position"
@@ -14,10 +14,10 @@
       "name": "DiffuseSampler"
     },
     {
-      name: "veil"
+      name: "BZSampler"
     },
     {
-      name: "bz"
+      name: "VeilSampler"
     }
   ],
   "uniforms": [