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++ // Copyright (C) 2026 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ // Regression scene for QTBUG-148554.
++ // The sub-pass is declared as a QML child of the top-level pass and referenced
++ // via SubRenderPass. A sub-pass must carry no ordering state (nesting depth
++ // stays 0 even though it has a RenderPass parent), otherwise it could sort
++ // ahead of genuine top-level passes if it ever entered the scheduled list.
++
++ import QtQuick
++ import QtQuick3D
++ import QtQuick3D.Helpers
++
++ Item {
++ width: 400
++ height: 400
++
++ View3D {
++ anchors.fill: parent
++ renderOverrides: View3D.DisableInternalPasses
++
++ camera: cam
++ PerspectiveCamera { id: cam; position: Qt.vector3d(0, 0, 300) }
++ DirectionalLight {}
++
++ RenderPassTexture { id: mainTex; format: RenderPassTexture.RGBA8 }
++
++ // Top-level pass that invokes the nested pass below as a sub-pass.
++ RenderPass {
++ id: mainPass
++ objectName: "mainPass"
++ clearColor: "magenta"
++ commands: [
++ ColorAttachment { target: mainTex },
++ DepthStencilAttachment {},
++ RenderablesFilter { renderableTypes: RenderablesFilter.None },
++ SubRenderPass { renderPass: subPass }
++ ]
++
++ RenderPass {
++ id: subPass
++ objectName: "subPass"
++ materialMode: RenderPass.OriginalMaterial
++ commands: [
++ RenderablesFilter { layerMask: ContentLayer.Layer1 }
++ ]
++ }
++ }
++
++ SimpleQuadRenderer {
++ texture: Texture {
++ textureProvider: RenderOutputProvider {
++ textureSource: RenderOutputProvider.UserPassTexture
++ renderPass: mainPass
++ }
++ }
++ }
++
++ Model {
++ source: "#Cone"
++ layers: ContentLayer.Layer1
++ materials: PrincipledMaterial {
++ baseColor: "cyan"
++ lighting: PrincipledMaterial.NoLighting
++ }
++ }
++ }
++ }