/****************************************************************************
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**
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** Copyright (C) 2020 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Quick 3D.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.15
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import QtQuick3D 1.15
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import QtQuick3D.Effects 1.15
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Effect {
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readonly property TextureInput sprite: TextureInput {
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texture: Texture {}
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}
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property real fadeAmount: 0.25 // 0 - 1
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property real blurQuality: 0.25 // 0.1 - 1.0
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Shader {
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id: vblurVert
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stage: Shader.Vertex
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shader: "shaders/motionblurvertical.vert"
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}
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Shader {
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id: vblurFrag
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stage: Shader.Fragment
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shader: "shaders/motionblurvertical.frag"
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}
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Shader {
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id: hblurVert
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stage: Shader.Vertex
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shader: "shaders/motionblurhorizontal.vert"
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}
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Shader {
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id: hblurFrag
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stage: Shader.Fragment
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shader: "shaders/motionblurhorizontal.frag"
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}
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Shader {
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id: blend
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stage: Shader.Fragment
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shader: "shaders/blend.frag"
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}
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Buffer {
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id: glowBuffer
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name: "glowBuffer"
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format: Buffer.RGBA8
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textureFilterOperation: Buffer.Nearest
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textureCoordOperation: Buffer.ClampToEdge
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bufferFlags: Buffer.SceneLifetime
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sizeMultiplier: blurQuality
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}
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Buffer {
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id: tempBuffer
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name: "tempBuffer"
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format: Buffer.RGBA8
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textureFilterOperation: Buffer.Linear
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textureCoordOperation: Buffer.ClampToEdge
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bufferFlags: Buffer.None
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sizeMultiplier: blurQuality
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}
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passes: [
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Pass {
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shaders: [ hblurVert, hblurFrag ]
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commands: [
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BufferInput {
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param: "glowSampler"
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buffer: glowBuffer
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}
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]
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output: tempBuffer
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},
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Pass {
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shaders: [ vblurVert, vblurFrag ]
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commands: [
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BufferInput {
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buffer: tempBuffer
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}
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]
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output: glowBuffer
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},
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Pass {
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shaders: blend
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commands: [
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BufferInput {
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buffer: glowBuffer
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},
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BufferInput {
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param: "sprite"
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}
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]
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}
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]
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}
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