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feat: add color grading graph nodes

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Amp-Thread-ID: https://ampcode.com/threads/T-019f9d91-77c1-7206-a60f-ed6554ce92ab

Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
This commit is contained in:
Amp
2026-07-28 14:18:04 +00:00
co-authored by heaust
parent 67cf3a6555
commit 972fadc635
14 changed files with 648 additions and 16 deletions
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tests/render-graph-presets.test.js
+20 -1
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@@ -9,6 +9,7 @@ const order = [
"hdr",
"culling",
"tone",
"grading",
"edges",
"bloom",
"combined",
@@ -72,6 +73,12 @@ const sequences = {
["tone", "tone_map"],
["frame_out", "frame_out"],
],
grading: [
["balance_hdr", "texture"], ["exposure_hdr", "texture"], ["saturation_hdr", "texture"], ["mixer_hdr", "texture"], ["ldr", "texture"],
["hdr", "texture"], ["depth", "texture"], ["mesh", "mesh"], ["query", "mesh_query"], ["registry", "pipeline_registry"],
["ground", "pipeline"], ["pbr", "pipeline"], ["pbr_double", "pipeline"], ["balance", "color_balance"], ["exposure", "exposure_contrast"],
["saturation", "saturation"], ["mixer", "channel_mixer"], ["tone", "tone_map"], ["frame_out", "frame_out"],
],
edges: [
["ldr", "texture"],
["edge_hdr", "texture"],
@@ -143,6 +150,7 @@ test("presets have the exact canonical pipeline identities, schemas, and node se
"preset_hdr_fullscreen",
"preset_gpu_culling",
"preset_tone",
"preset_grading",
"preset_edges",
"preset_bloom",
"preset_combined",
@@ -175,6 +183,16 @@ test("presets have the exact canonical pipeline identities, schemas, and node se
),
);
}
const grading = presets.grading;
assert.deepEqual(grading.nodes.find((n) => n.id === "balance").parameters, {
mode: "lift_gamma_gain", factor: 1, lift: 0, liftColor: [1,1,1,1],
gamma: 1, gammaColor: [1,1,1,1], gain: 1, gainColor: [1,1,1,1],
offset: 0, offsetColor: [1,1,1,1], power: 1, powerColor: [1,1,1,1],
slope: 1, slopeColor: [1,1,1,1],
});
assert.deepEqual(grading.nodes.find((n) => n.id === "exposure").parameters, { exposureStops: 0, contrast: 1, pivot: .18, factor: 1 });
assert.deepEqual(grading.nodes.find((n) => n.id === "saturation").parameters, { saturation: 1, factor: 1 });
assert.deepEqual(grading.nodes.find((n) => n.id === "mixer").parameters, { redOutput: [1,0,0], greenOutput: [0,1,0], blueOutput: [0,0,1], factor: 1 });
});
test("presets preserve common mesh, texture, query, pipeline, culling and post wiring", () => {
@@ -264,12 +282,13 @@ test("presets preserve common mesh, texture, query, pipeline, culling and post w
node: "cull",
socket: "isFrustumCulled",
});
for (const name of ["tone", "edges", "bloom", "combined"])
for (const name of ["tone", "grading", "edges", "bloom", "combined"])
assert.ok(!presets[name].nodes.some((node) => node.id === "copy"));
const finalSource = {
hdr: "pbr_double",
culling: "pbr_double",
tone: "tone",
grading: "tone",
edges: "tone",
bloom: "tone",
combined: "tone",