| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 Juan José Casafranca. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
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| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
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| ****************************************************************************/ |
| |
| import QtQuick 2.2 as QQ2 |
| import Qt3D.Core 2.0 |
| import Qt3D.Render 2.9 |
| import Qt3D.Input 2.0 |
| import Qt3D.Extras 2.0 |
| |
| Entity { |
| id: sceneRoot |
| |
| Camera { |
| id: sceneCamera |
| projectionType: CameraLens.PerspectiveProjection |
| upVector: Qt.vector3d(0, 1, 0) |
| position: Qt.vector3d(0, 0, -800) |
| viewCenter: Qt.vector3d(0, 0, 0) |
| nearPlane: 0.1 |
| farPlane: 1000 |
| fieldOfView: 25 |
| aspectRatio: 1.33 |
| } |
| |
| components: [ |
| RenderSettings { |
| ComputeFrameGraph { |
| } |
| // explicitly set RenderingPolicy to AlwaysRender, as changes in the |
| // scene won't be reflected in actual Qt scene-graph changes (due to |
| // GPU compute calls) |
| renderPolicy: RenderSettings.Always |
| } |
| ] |
| |
| function initGraphBuffer() { |
| var bufferData = new Uint32Array(1024); |
| for (var i = 0; i < 1024; ++i) { |
| bufferData[i] = 1; |
| } |
| return bufferData |
| } |
| |
| |
| Buffer { |
| id: graphBuffer |
| objectName: "buffer" |
| type: Buffer.VertexBuffer |
| data: initGraphBuffer() |
| accessType: Buffer.ReadWrite |
| } |
| |
| ComputeMaterial { |
| id: computeMaterial |
| dataBuffer: graphBuffer |
| inputSize: 1024 |
| } |
| |
| Entity { |
| id: particleComputeEntity |
| readonly property ComputeCommand particlesComputeJob: ComputeCommand {} |
| components: [ |
| particlesComputeJob, |
| computeMaterial |
| ] |
| } |
| } |