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// Copyright (C) 2026 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick
import QtQuick3D
import QtQuick3D.Helpers
SkyMaterial {
id: skyMaterial
required property DirectionalLight skyLight
fragmentShader: "advancedsky.frag"
property int lutSize: 256
property int lutSizeTransmit: 256
property real aerosol_base_density: 1.3681e20
property real aerosol_background_density: 2e6
property real aerosol_height_scale: 0.73
property real aerosol_background_divided_by_base_density: aerosol_background_density / aerosol_base_density
property real ozone_mean_monthly_dobson: 347
property real aerosol_turbidity: 1
property vector3d sun_direction: Qt.vector3d(skyLight.forward.x, skyLight.forward.z, -skyLight.forward.y)
property vector4d aerosol_absorption_cross_section: Qt.vector4d(2.8722e-24, 4.6168e-24, 7.9706e-24, 1.3578e-23)
property vector4d aerosol_scattering_cross_section: Qt.vector4d(1.5908e-22, 1.7711e-22, 2.0942e-22, 2.4033e-22)
property vector4d ground_albedo: Qt.vector4d(0.3, 0.3, 0.3, 0.3)
property int aerosol_type: 8
property real eye_altitude: 0.05
property real sunEnergy: skyLight.brightness
property vector3d sunColor: skyLight.color
property vector3d sunDirection: sun_direction
property real sunDiskInnerAngle: 1.5
property real sunDiskOuterAngle: 10.0
property real sunDiskFalloff: 0.05
property real sunAlpha: 1.0
property Texture skytextureBuffer: Texture {
tilingModeVertical: Texture.ClampToEdge
tilingModeHorizontal: Texture.ClampToEdge
textureProvider: QuadTextureProvider {
fragmentShader: "skytexture.frag"
format: Buffer.RGBA16F
width: skyMaterial.lutSize
height: skyMaterial.lutSize
property real aerosol_base_density: skyMaterial.aerosol_base_density
property real aerosol_height_scale: skyMaterial.aerosol_height_scale
property real aerosol_background_divided_by_base_density: skyMaterial.aerosol_background_divided_by_base_density
property real ozone_mean_monthly_dobson: skyMaterial.ozone_mean_monthly_dobson
property real aerosol_turbidity: skyMaterial.aerosol_turbidity
property vector3d sun_direction: skyMaterial.sun_direction
property vector4d aerosol_absorption_cross_section: skyMaterial.aerosol_absorption_cross_section
property vector4d aerosol_scattering_cross_section: skyMaterial.aerosol_scattering_cross_section
property vector4d ground_albedo: skyMaterial.ground_albedo
property int aerosol_type: skyMaterial.aerosol_type
property real eye_altitude: skyMaterial.eye_altitude
property real sunEnergy: skyMaterial.sunEnergy
property vector3d sunColor: skyMaterial.sunColor
property vector3d sunDirection: skyMaterial.sunDirection
property real sunDiskInnerAngle: skyMaterial.sunDiskInnerAngle
property real sunDiskOuterAngle: skyMaterial.sunDiskOuterAngle
property real sunDiskFalloff: skyMaterial.sunDiskFalloff
property real sunAlpha: skyMaterial.sunAlpha
property Texture transmittanceBuffer: Texture {
tilingModeVertical: Texture.ClampToEdge
tilingModeHorizontal: Texture.ClampToEdge
textureProvider: QuadTextureProvider {
fragmentShader: "transmittance.frag"
format: Buffer.RGBA16F
width: skyMaterial.lutSizeTransmit
height: skyMaterial.lutSizeTransmit
property real aerosol_base_density: skyMaterial.aerosol_base_density
property real aerosol_background_density: skyMaterial.aerosol_background_density
property real aerosol_height_scale: skyMaterial.aerosol_height_scale
property real aerosol_background_divided_by_base_density: skyMaterial.aerosol_background_divided_by_base_density
property real ozone_mean_monthly_dobson: skyMaterial.ozone_mean_monthly_dobson
property real aerosol_turbidity: skyMaterial.aerosol_turbidity
property vector3d sun_direction: skyMaterial.sun_direction
property vector4d aerosol_absorption_cross_section: skyMaterial.aerosol_absorption_cross_section
property vector4d aerosol_scattering_cross_section: skyMaterial.aerosol_scattering_cross_section
property vector4d ground_albedo: skyMaterial.ground_albedo
property int aerosol_type: skyMaterial.aerosol_type
property real eye_altitude: skyMaterial.eye_altitude
property real sunEnergy: skyMaterial.sunEnergy
property vector3d sunColor: skyMaterial.sunColor
property vector3d sunDirection: skyMaterial.sunDirection
property real sunDiskInnerAngle: skyMaterial.sunDiskInnerAngle
property real sunDiskOuterAngle: skyMaterial.sunDiskOuterAngle
property real sunDiskFalloff: skyMaterial.sunDiskFalloff
property real sunAlpha: skyMaterial.sunAlpha
}
}
}
}
}