/****************************************************************************
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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 downsample2: TextureInput {
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texture: Texture {}
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}
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readonly property TextureInput downsample4: TextureInput {
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texture: Texture {}
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}
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property real gamma: 1 // 0.1 - 4
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property real exposure: 0 // -9 - 9
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readonly property real exposureExp2: Math.pow(2, exposure)
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property real bloomThreshold: 1
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property real blurFalloff: 0 // 0 - 10
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readonly property real negativeBlurFalloffExp2: Math.pow(2, -blurFalloff)
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property real tonemappingLerp: 1 // 0 - 1
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property real channelThreshold: 1
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readonly property real poissonRotation: 0
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readonly property real poissonDistance: 4
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Shader {
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id: luminosityVert
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stage: Shader.Vertex
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shader: "shaders/luminosity.vert"
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}
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Shader {
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id: luminosityFrag
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stage: Shader.Fragment
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shader: "shaders/luminosity.frag"
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}
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Shader {
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id: blurVert
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stage: Shader.Vertex
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shader: "shaders/poissonblur.vert"
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}
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Shader {
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id: blurFrag
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stage: Shader.Fragment
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shader: "shaders/poissonblur.frag"
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}
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Shader {
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id: combiner
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stage: Shader.Fragment
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shader: "shaders/combiner.frag"
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}
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Buffer {
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id: luminosity_buffer2
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name: "luminosity_buffer2"
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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: 0.5
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}
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Buffer {
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id: downsample_buffer2
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name: "downsample_buffer2"
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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: 0.5
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}
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Buffer {
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id: downsample_buffer4
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name: "downsample_buffer4"
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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: 0.25
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}
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passes: [
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Pass {
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shaders: [ luminosityVert, luminosityFrag ]
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output: downsample_buffer2
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},
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Pass {
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shaders: [ luminosityVert, luminosityFrag ]
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commands: BufferInput {
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buffer: downsample_buffer2
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}
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output: luminosity_buffer2
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},
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Pass {
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shaders: [ blurVert, blurFrag ]
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commands: BufferInput {
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buffer: luminosity_buffer2
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}
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output: downsample_buffer2
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},
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Pass {
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shaders: [ blurVert, blurFrag ]
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commands: [
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SetUniformValue {
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target: "poissonRotation"
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value: 0.62831
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},
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BufferInput {
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buffer: luminosity_buffer2
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}
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]
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output: downsample_buffer4
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},
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Pass {
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shaders: combiner
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commands: [
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BufferInput {
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param: "downsample2"
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buffer: downsample_buffer2
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},
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BufferInput {
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param: "downsample4"
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buffer: downsample_buffer4
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}
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]
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}
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]
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}
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