ShadowMapFrameGraph.qml Example File

  /****************************************************************************
  **
  ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the Qt3D module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, you may use this file under the terms of the BSD license
  ** as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  import QtQuick 2.2 as QQ2
  import Qt3D.Core 2.0
  import Qt3D.Render 2.0

  RenderSettings {
      id: root

      property alias viewCamera: viewCameraSelector.camera
      property alias lightCamera: lightCameraSelector.camera
      readonly property Texture2D shadowTexture: depthTexture

      activeFrameGraph: Viewport {
          normalizedRect: Qt.rect(0.0, 0.0, 1.0, 1.0)

          RenderSurfaceSelector {
              RenderPassFilter {
                  matchAny: [ FilterKey { name: "pass"; value: "shadowmap" } ]

                  RenderTargetSelector {
                      target: RenderTarget {
                          attachments: [
                              RenderTargetOutput {
                                  objectName: "depth"
                                  attachmentPoint: RenderTargetOutput.Depth
                                  texture: Texture2D {
                                      id: depthTexture
                                      width: 1024
                                      height: 1024
                                      format: Texture.DepthFormat
                                      generateMipMaps: false
                                      magnificationFilter: Texture.Linear
                                      minificationFilter: Texture.Linear
                                      wrapMode {
                                          x: WrapMode.ClampToEdge
                                          y: WrapMode.ClampToEdge
                                      }
                                      comparisonFunction: Texture.CompareLessEqual
                                      comparisonMode: Texture.CompareRefToTexture
                                  }
                              }
                          ]
                      }

                      ClearBuffers {
                          buffers: ClearBuffers.DepthBuffer

                          CameraSelector {
                              id: lightCameraSelector
                          }
                      }
                  }
              }

              RenderPassFilter {
                  matchAny: [ FilterKey { name: "pass"; value: "forward" } ]

                  ClearBuffers {
                      clearColor: Qt.rgba(0.0, 0.4, 0.7, 1.0)
                      buffers: ClearBuffers.ColorDepthBuffer

                      CameraSelector {
                          id: viewCameraSelector
                      }
                  }
              }
          }
      }
  }