Rebuild core around render graph AST and shared memory

Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
2026-08-18 11:58:31 +00:00
parent a23ef37b4d
commit 0e44917f9e
101 changed files with 4409 additions and 2610 deletions
@@ -0,0 +1,62 @@
+import { defaultPipelines } from "@yawn/default-pipelines";
+import { descriptors } from "@yawn/render-graph-fxnode/catalog";
+import { graphFromObject } from "@yawn/render-graph-js";
+
+// A complete graph authored like a package consumer would author it.
+
+const input = (node, socket) => [{ node, socket }];
+const node = (id, key, parameters = {}, inputs = {}) => ({
+  id,
+  state: "enabled",
+  executor: { key, version: descriptors[key].version },
+  parameters,
+  inputs,
+});
+const texture = (format) => ({
+  texture: {
+    dimension: "d2",
+    format,
+    extent: {
+      kind: "surface_relative",
+      width: { numerator: 1, denominator: 1 },
+      height: { numerator: 1, denominator: 1 },
+      depthOrArrayLayers: 1,
+    },
+    mipLevelCount: 1,
+    sampleCount: 1,
+    viewFormats: [],
+  },
+  residency: "transient",
+});
+
+const nodes = [
+  node("hdr", "texture", texture("rgba16_float")),
+  node("scene_depth", "texture", texture("depth32_float")),
+  node("mesh", "mesh"),
+  node("type_words", "separate_u32x16", { valueDefault: Array(16).fill(0) }, { value: input("mesh", "type") }),
+  node("type_bits", "separate_u32_bits", { valueDefault: 0 }, { value: input("type_words", "word0") }),
+  node("ground_class", "and", {}, { inputs: [...input("type_bits", "bit0"), ...input("type_bits", "bit1")] }),
+  node("not_double", "not", { operandDefault: false }, { operand: input("type_bits", "bit3") }),
+  node("standard_class", "and", {}, { inputs: [...input("type_bits", "bit0"), ...input("type_bits", "bit2"), ...input("not_double", "value")] }),
+  node("double_class", "and", {}, { inputs: [...input("type_bits", "bit0"), ...input("type_bits", "bit3")] }),
+  node("cull", "frustum_cull", { camera: "active" }, { mesh: input("mesh", "mesh"), localAabb: input("mesh", "localAabb") }),
+  node("not_culled", "not", { operandDefault: false }, { operand: input("cull", "isFrustumCulled") }),
+];
+for (const id of ["ground_class", "standard_class", "double_class"])
+  nodes.find((item) => item.id === id).inputs.inputs.push(...input("not_culled", "value"));
+nodes.push(
+  node("ground", "ground_plane", { depthCompare: "less_equal", depthWriteEnabled: true, clearDepth: 1, clearColor: [0.015, 0.02, 0.03, 1], predicateDefault: true }, { mesh: input("mesh", "mesh"), predicate: input("ground_class", "value"), color: input("hdr", "texture"), depth: input("scene_depth", "texture") }),
+  node("pbr", "gltf_standard", { depthCompare: "less_equal", depthWriteEnabled: true, clearDepth: 1, clearColor: [0.015, 0.02, 0.03, 1], predicateDefault: true }, { mesh: input("mesh", "mesh"), predicate: input("standard_class", "value"), color: input("hdr", "texture"), depth: input("scene_depth", "texture") }),
+  node("pbr_double", "gltf_standard_double_sided", { depthCompare: "less_equal", depthWriteEnabled: true, clearDepth: 1, clearColor: [0.015, 0.02, 0.03, 1], predicateDefault: true }, { mesh: input("mesh", "mesh"), predicate: input("double_class", "value"), color: input("hdr", "texture"), depth: input("scene_depth", "texture") }),
+  node("frame_out", "frame_out", { surfaceFormat: "preferred", hdrEnabled: true, toneMapper: "aces", exposureStops: 0, outputTransfer: "srgb", scaleMode: "stretch", filter: "linear", backgroundColor: [0, 0, 0, 1] }, { color: input("pbr_double", "color") }),
+);
+
+/** The example's JSO graph; the graph addon canonicalizes it to AST and S-expressions. */
+export const culling = graphFromObject({
+  id: "example_jso_scene",
+  revision: 1,
+  pipelines: defaultPipelines,
+  nodes,
+});
+
+export const renderGraphPresets = Object.freeze({ jso: culling });