Skybox.qml Example File

skybox/Skybox.qml

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  import Qt3D.Core 2.0
  import Qt3D.Render 2.0

  Entity {

      property alias cameraPosition: transform.translation;
      property string sourceDirectory: "";
      property string extension: ".webp"

      property TextureCubeMap skyboxTexture: TextureCubeMap {
          generateMipMaps: false
          magnificationFilter: Texture.Linear
          minificationFilter: Texture.Linear
          wrapMode {
              x: WrapMode.ClampToEdge
              y: WrapMode.ClampToEdge
          }
          TextureImage { cubeMapFace: Texture.CubeMapPositiveX; source: sourceDirectory + "_posx" + extension }
          TextureImage { cubeMapFace: Texture.CubeMapPositiveY; source: sourceDirectory + "_posy" + extension }
          TextureImage { cubeMapFace: Texture.CubeMapPositiveZ; source: sourceDirectory + "_posz" + extension }
          TextureImage { cubeMapFace: Texture.CubeMapNegativeX; source: sourceDirectory + "_negx" + extension }
          TextureImage { cubeMapFace: Texture.CubeMapNegativeY; source: sourceDirectory + "_negy" + extension }
          TextureImage { cubeMapFace: Texture.CubeMapNegativeZ; source: sourceDirectory + "_negz" + extension }
      }

      ShaderProgram {
          id: gl3SkyboxShader
          vertexShaderCode: loadSource("qrc:/shaders/gl3/skybox.vert")
          fragmentShaderCode: loadSource("qrc:/shaders/gl3/skybox.frag")
      }

      ShaderProgram {
          id: gl2es2SkyboxShader
          vertexShaderCode: loadSource("qrc:/shaders/es2/skybox.vert")
          fragmentShaderCode: loadSource("qrc:/shaders/es2/skybox.frag")
      }

      CuboidMesh {
          id: cuboidMesh
          yzMeshResolution: Qt.size(2, 2)
          xzMeshResolution: Qt.size(2, 2)
          xyMeshResolution: Qt.size(2, 2)
      }

      Transform {
          id: transform
      }

      Material {
          id: skyboxMaterial
          parameters: Parameter { name: "skyboxTexture"; value: skyboxTexture}

          effect: Effect {
              techniques: [
                  // GL3 Technique
                  Technique {
                      graphicsApiFilter {
                          api: GraphicsApiFilter.OpenGL
                          profile: GraphicsApiFilter.CoreProfile
                          majorVersion: 3
                          minorVersion: 1
                      }
                      renderPasses: RenderPass {
                          shaderProgram: gl3SkyboxShader
                          renderStates: [
                              // cull front faces
                              CullFace { mode: CullFace.Front },
                              DepthTest { func: DepthTest.LessOrEqual }
                          ]
                      }
                  },
                  Technique {
                      graphicsApiFilter {
                          api: GraphicsApiFilter.OpenGL
                          profile: GraphicsApiFilter.NoProfile
                          majorVersion: 2
                          minorVersion: 0
                      }
                      renderPasses: RenderPass {
                          shaderProgram: gl2es2SkyboxShader
                          renderStates: [
                              CullFace { mode: CullFace.Front },
                              DepthTest { func: DepthTest.LessOrEqual }
                          ]
                      }
                  },
                  Technique {
                      graphicsApiFilter {
                          api: GraphicsApiFilter.OpenGLES
                          profile: GraphicsApiFilter.NoProfile
                          majorVersion: 2
                          minorVersion: 0
                      }
                      renderPasses: RenderPass {
                          shaderProgram: gl2es2SkyboxShader
                          renderStates: [
                              CullFace { mode: CullFace.Front },
                              DepthTest { func: DepthTest.LessOrEqual }
                          ]
                      }
                  }
              ]
          }
      }

      components: [cuboidMesh, skyboxMaterial, transform]
  }