netpoet coop and 64kode

netpoet-coop-8k/src/intro/shaders/taa.hlsl

@@ -0,0 +1,29 @@
+void taa(inout float3 old, in float2 id, int2 iResolution)
+{
+	id *= iResolution;
+	id += .5;
+    if (any(id <= 1) || any(id >= iResolution - 1))
+		return;
+		
+	// get the neighborhood min / max from this frame's render
+    float3 center = lastFrame[id].rgb;
+    float3 minColor = center;
+    float3 maxColor = center;
+    for (int iy = -1; iy <= 1; ++iy)
+    {
+        for (int ix = -1; ix <= 1; ++ix)
+        {
+            if (ix == 0 && iy == 0)
+                continue;
+
+            float3 color = lastFrame[id + int2(ix, iy)].rgb;
+            minColor = min(minColor, color);
+            maxColor = max(maxColor, color);
+        }
+    }
+
+    //center = max(minColor, center);
+	//center = min(maxColor, center);
+    // get last frame's pixel and clamp it to the neighborhood of this frame
+    old = lerp(old, center, 0.4);
+}