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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick3D
import QtQuick
Rectangle {
width: 400
height: 400
color: "black"
View3D {
id: v3d
anchors.fill: parent
camera: PerspectiveCamera {
id: camera
position: Qt.vector3d(0, 0, 600)
}
DirectionalLight {
position: Qt.vector3d(-500, 500, -100)
ambientColor: Qt.rgba(0.1, 0.1, 0.1, 1.0)
}
property variant cubeScale: Qt.vector3d(1.5, 1.5, 1.5)
// The default wrap mode is Repeat. Try with a shader that samples so that
// it relies on the repeat wrap mode.
Model {
scale: v3d.cubeScale
x: -200
source: "#Cube"
materials: [
CustomMaterial {
TextureInput {
id: texInput
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
}
}
fragmentShader: "customtexturefiltertiling_repeat.frag"
property TextureInput tex: texInput
}
]
}
// Try ClampToEdge with the same shader, should sample zeroes, resulting in a grayish cube.
Model {
scale: v3d.cubeScale
x: 0
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling_repeat.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
tilingModeHorizontal: Texture.ClampToEdge
tilingModeVertical: Texture.ClampToEdge
}
}
}
]
}
// ClampToEdge with in-range texture coordinates, should show up normally
Model {
scale: v3d.cubeScale
x: 200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
tilingModeHorizontal: Texture.ClampToEdge
tilingModeVertical: Texture.ClampToEdge
}
}
}
]
}
// min/mag filter
Model {
scale: v3d.cubeScale
x: -200
y: -200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
minFilter: Texture.Nearest
magFilter: Texture.Nearest
}
}
}
]
}
Model {
scale: v3d.cubeScale
x: 0
y: -200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
minFilter: Texture.Linear
magFilter: Texture.Linear
}
}
}
]
}
Model {
scale: v3d.cubeScale
x: 200
y: -200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
minFilter: Texture.None // effectively linear
magFilter: Texture.None
}
}
}
]
}
// mipmap, common case
Model {
scale: v3d.cubeScale
x: -200
y: 200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
minFilter: Texture.Linear
magFilter: Texture.Linear
mipFilter: Texture.Linear
generateMipmaps: true
}
}
}
]
}
// missing generateMipmaps, not mipmapped
Model {
scale: v3d.cubeScale
x: 0
y: 200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
minFilter: Texture.Nearest
magFilter: Texture.Nearest
mipFilter: Texture.Linear
}
}
}
]
}
// Now actually sample a mip level in the shader. (textureLod)
Model {
scale: v3d.cubeScale
x: 200
y: 200
source: "#Cube"
materials: [
CustomMaterial {
fragmentShader: "customtexturefiltertiling_mip.frag"
property TextureInput tex: TextureInput {
texture: Texture {
source: "../shared/maps/oulu_2.jpeg"
minFilter: Texture.Nearest
magFilter: Texture.Nearest
mipFilter: Texture.Nearest
generateMipmaps: true
}
}
}
]
}
}
}