updates

shaders/greenscreen-key/shader.json

@@ -4,6 +4,29 @@
   "description": "Production-style green/blue screen keyer with matte refinement, despill, edge treatment, and debug views.",
   "category": "Keying",
   "entryPoint": "shadeVideo",
+  "passes": [
+    {
+      "id": "rawMatte",
+      "source": "shader.slang",
+      "entryPoint": "buildRawMatte",
+      "inputs": ["layerInput"],
+      "output": "rawMatte"
+    },
+    {
+      "id": "refinedMatte",
+      "source": "shader.slang",
+      "entryPoint": "refineMatte",
+      "inputs": ["rawMatte"],
+      "output": "refinedMatte"
+    },
+    {
+      "id": "final",
+      "source": "shader.slang",
+      "entryPoint": "applyKey",
+      "inputs": ["refinedMatte"],
+      "output": "layerOutput"
+    }
+  ],
   "parameters": [
     {
       "id": "screenColor",
@@ -167,6 +190,46 @@
       "max": 1.0,
       "step": 0.005
     },
+    {
+      "id": "cropLeft",
+      "label": "Crop Left",
+      "description": "Trims the final matte from the left edge as a fraction of frame width.",
+      "type": "float",
+      "default": 0.0,
+      "min": 0.0,
+      "max": 0.5,
+      "step": 0.001
+    },
+    {
+      "id": "cropRight",
+      "label": "Crop Right",
+      "description": "Trims the final matte from the right edge as a fraction of frame width.",
+      "type": "float",
+      "default": 0.0,
+      "min": 0.0,
+      "max": 0.5,
+      "step": 0.001
+    },
+    {
+      "id": "cropTop",
+      "label": "Crop Top",
+      "description": "Trims the final matte from the top edge as a fraction of frame height.",
+      "type": "float",
+      "default": 0.0,
+      "min": 0.0,
+      "max": 0.5,
+      "step": 0.001
+    },
+    {
+      "id": "cropBottom",
+      "label": "Crop Bottom",
+      "description": "Trims the final matte from the bottom edge as a fraction of frame height.",
+      "type": "float",
+      "default": 0.0,
+      "min": 0.0,
+      "max": 0.5,
+      "step": 0.001
+    },
     {
       "id": "viewMode",
       "label": "View",