Add orx-dnk3a

orx-dnk3/src/main/kotlin/RenderPass.kt

@@ -0,0 +1,24 @@
+package org.openrndr.extra.dnk3
+
+import org.openrndr.draw.BufferMultisample
+import org.openrndr.draw.DepthFormat
+import org.openrndr.draw.RenderTarget
+import org.openrndr.draw.renderTarget
+
+class RenderPass(val combiners: List<FacetCombiner>, val renderOpaque: Boolean = true, val renderTransparent: Boolean = false)
+
+val DefaultPass = RenderPass(listOf(LDRColorFacet()))
+val LightPass = RenderPass(emptyList())
+val VSMLightPass = RenderPass(listOf(MomentsFacet()))
+
+fun RenderPass.createPassTarget(width: Int, height: Int, depthFormat: DepthFormat = DepthFormat.DEPTH24, multisample: BufferMultisample = BufferMultisample.Disabled): RenderTarget {
+    return renderTarget(width, height, multisample = multisample) {
+        for (combiner in combiners) {
+            when (combiner) {
+                is ColorBufferFacetCombiner ->
+                    colorBuffer(combiner.targetOutput, combiner.format, combiner.type)
+            }
+        }
+        depthBuffer(depthFormat)
+    }
+}