Qt 5.9 | Qt 3D | Qt 3D: Multi Viewport QML Example | QuadViewportFrameGraph.qml Example File

Qt 5.9.9 Reference Documentation

# QuadViewportFrameGraph.qml Example File

multiviewport/QuadViewportFrameGraph.qml

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      import Qt3D.Core 2.0
      import Qt3D.Render 2.0

      RenderSettings {
          id: quadViewportFrameGraph

          property alias topLeftCamera: cameraSelectorTopLeftViewport.camera;
          property alias topRightCamera: cameraSelectorTopRightViewport.camera;
          property alias bottomLeftCamera: cameraSelectorBottomLeftViewport.camera;
          property alias bottomRightCamera: cameraSelectorBottomRightViewport.camera;
          property alias window: surfaceSelector.surface

          activeFrameGraph: RenderSurfaceSelector {
              id: surfaceSelector

              Viewport {
                  id: mainViewport
                  normalizedRect: Qt.rect(0, 0, 1, 1)

                  ClearBuffers {
                      buffers: ClearBuffers.ColorDepthBuffer
                      clearColor: Qt.rgba(0.6, 0.6, 0.6, 1.0)
                  }

                  Viewport {
                      id: topLeftViewport
                      normalizedRect: Qt.rect(0, 0, 0.5, 0.5)
                      CameraSelector { id: cameraSelectorTopLeftViewport }
                  }

                  Viewport {
                      id: topRightViewport
                      normalizedRect: Qt.rect(0.5, 0, 0.5, 0.5)
                      CameraSelector { id: cameraSelectorTopRightViewport }
                  }

                  Viewport {
                      id: bottomLeftViewport
                      normalizedRect: Qt.rect(0, 0.5, 0.5, 0.5)
                      CameraSelector { id: cameraSelectorBottomLeftViewport }
                  }

                  Viewport {
                      id: bottomRightViewport
                      normalizedRect: Qt.rect(0.5, 0.5, 0.5, 0.5)
                      CameraSelector { id: cameraSelectorBottomRightViewport }
                  }
              }
          }
      }