BackgroundEffect.qml Example File

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  import Qt3D.Core 2.0
  import Qt3D.Render 2.0

  Effect {
      id: root

      techniques: [
          Technique {
              graphicsApiFilter {
                  api: GraphicsApiFilter.OpenGL
                  profile: GraphicsApiFilter.CoreProfile
                  majorVersion: 3
                  minorVersion: 1
              }

              filterKeys: [ FilterKey { name: "renderingStyle"; value: "forward" } ]

              renderPasses: [
                  RenderPass {
                      shaderProgram: ShaderProgram {
                          vertexShaderCode:   loadSource( "qrc:/shaders/background.vert" )
                          fragmentShaderCode: loadSource( "qrc:/shaders/background.frag" )
                      }

                      renderStates: [
                          DepthTest { depthFunction: DepthTest.Always }
                      ]
                  }
              ]
          }
      ]
  }