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Diffstat (limited to 'src/extras/defaults/qtexturedmetalroughmaterial.cpp')
| -rw-r--r-- | src/extras/defaults/qtexturedmetalroughmaterial.cpp | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/src/extras/defaults/qtexturedmetalroughmaterial.cpp b/src/extras/defaults/qtexturedmetalroughmaterial.cpp new file mode 100644 index 000000000..e09517866 --- /dev/null +++ b/src/extras/defaults/qtexturedmetalroughmaterial.cpp @@ -0,0 +1,373 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qtexturedmetalroughmaterial.h" +#include "qtexturedmetalroughmaterial_p.h" +#include <Qt3DRender/qfilterkey.h> +#include <Qt3DRender/qmaterial.h> +#include <Qt3DRender/qeffect.h> +#include <Qt3DRender/qtexture.h> +#include <Qt3DRender/qtechnique.h> +#include <Qt3DRender/qshaderprogram.h> +#include <Qt3DRender/qparameter.h> +#include <Qt3DRender/qrenderpass.h> +#include <Qt3DRender/qgraphicsapifilter.h> +#include <QUrl> +#include <QVector3D> +#include <QVector4D> + +QT_BEGIN_NAMESPACE + +using namespace Qt3DRender; + +namespace Qt3DExtras { + +QTexturedMetalRoughMaterialPrivate::QTexturedMetalRoughMaterialPrivate() + : QMaterialPrivate() + , m_baseColorTexture(new QTexture2D()) + , m_metalnessTexture(new QTexture2D()) + , m_roughnessTexture(new QTexture2D()) + , m_ambientOcclusionTexture(new QTexture2D()) + , m_normalTexture(new QTexture2D()) + , m_environmentIrradianceTexture(new QTexture2D()) + , m_environmentSpecularTexture(new QTexture2D()) + , m_baseColorParameter(new QParameter(QStringLiteral("baseColorMap"), m_baseColorTexture)) + , m_metalnessParameter(new QParameter(QStringLiteral("metalnessMap"), m_metalnessTexture)) + , m_roughnessParameter(new QParameter(QStringLiteral("roughnessMap"), m_roughnessTexture)) + , m_ambientOcclusionParameter(new QParameter(QStringLiteral("ambientOcclusionMap"), m_ambientOcclusionTexture)) + , m_normalParameter(new QParameter(QStringLiteral("normalMap"), m_normalTexture)) + , m_environmentIrradianceParameter(new QParameter(QStringLiteral("envLight.irradiance"), m_environmentIrradianceTexture)) + , m_environmentSpecularParameter(new QParameter(QStringLiteral("envLight.specular"), m_environmentSpecularTexture)) + , m_metalRoughEffect(new QEffect()) + , m_metalRoughGL3Technique(new QTechnique()) + , m_metalRoughGL3RenderPass(new QRenderPass()) + , m_metalRoughGL3Shader(new QShaderProgram()) + , m_filterKey(new QFilterKey) +{ + m_baseColorTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_baseColorTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_baseColorTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_baseColorTexture->setGenerateMipMaps(true); + m_baseColorTexture->setMaximumAnisotropy(16.0f); + + m_metalnessTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_metalnessTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_metalnessTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_metalnessTexture->setGenerateMipMaps(true); + m_metalnessTexture->setMaximumAnisotropy(16.0f); + + m_roughnessTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_roughnessTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_roughnessTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_roughnessTexture->setGenerateMipMaps(true); + m_roughnessTexture->setMaximumAnisotropy(16.0f); + + m_ambientOcclusionTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_ambientOcclusionTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_ambientOcclusionTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_ambientOcclusionTexture->setGenerateMipMaps(true); + m_ambientOcclusionTexture->setMaximumAnisotropy(16.0f); + + m_normalTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_normalTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_normalTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_normalTexture->setGenerateMipMaps(true); + m_normalTexture->setMaximumAnisotropy(16.0f); + + m_environmentIrradianceTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_environmentIrradianceTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_environmentIrradianceTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_environmentIrradianceTexture->setGenerateMipMaps(true); + m_environmentIrradianceTexture->setMaximumAnisotropy(16.0f); + + m_environmentSpecularTexture->setMagnificationFilter(QAbstractTexture::Linear); + m_environmentSpecularTexture->setMinificationFilter(QAbstractTexture::LinearMipMapLinear); + m_environmentSpecularTexture->setWrapMode(QTextureWrapMode(QTextureWrapMode::Repeat)); + m_environmentSpecularTexture->setGenerateMipMaps(true); + m_environmentSpecularTexture->setMaximumAnisotropy(16.0f); +} + +void QTexturedMetalRoughMaterialPrivate::init() +{ + connect(m_baseColorParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTexturedMetalRoughMaterialPrivate::handleBaseColorChanged); + connect(m_metalnessParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTexturedMetalRoughMaterialPrivate::handleMetallicChanged); + connect(m_roughnessParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTexturedMetalRoughMaterialPrivate::handleRoughnessChanged); + connect(m_ambientOcclusionParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTexturedMetalRoughMaterialPrivate::handleAmbientOcclusionChanged); + connect(m_normalParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTexturedMetalRoughMaterialPrivate::handleNormalChanged); + + m_metalRoughGL3Shader->setVertexShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/gl3/metalrough.vert")))); + m_metalRoughGL3Shader->setFragmentShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/gl3/metalrough.frag")))); + + m_metalRoughGL3Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL); + m_metalRoughGL3Technique->graphicsApiFilter()->setMajorVersion(3); + m_metalRoughGL3Technique->graphicsApiFilter()->setMinorVersion(1); + m_metalRoughGL3Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::CoreProfile); + + Q_Q(QTexturedMetalRoughMaterial); + m_filterKey->setParent(q); + m_filterKey->setName(QStringLiteral("renderingStyle")); + m_filterKey->setValue(QStringLiteral("forward")); + + m_metalRoughGL3Technique->addFilterKey(m_filterKey); + m_metalRoughGL3RenderPass->setShaderProgram(m_metalRoughGL3Shader); + m_metalRoughGL3Technique->addRenderPass(m_metalRoughGL3RenderPass); + m_metalRoughEffect->addTechnique(m_metalRoughGL3Technique); + + m_metalRoughEffect->addParameter(m_baseColorParameter); + m_metalRoughEffect->addParameter(m_metalnessParameter); + m_metalRoughEffect->addParameter(m_roughnessParameter); + m_metalRoughEffect->addParameter(m_ambientOcclusionParameter); + m_metalRoughEffect->addParameter(m_normalParameter); + + // Note that even though those parameters are not exposed in the API, + // they need to be kept around for now due to a bug in some drivers/GPUs + // (at least Intel) which cause issues with unbound textures even if you + // don't try to sample from them. + // Can probably go away once we generate the shaders and deal in this + // case in a better way. + m_metalRoughEffect->addParameter(m_environmentIrradianceParameter); + m_metalRoughEffect->addParameter(m_environmentSpecularParameter); + + q->setEffect(m_metalRoughEffect); +} + +void QTexturedMetalRoughMaterialPrivate::handleBaseColorChanged(const QVariant &var) +{ + Q_Q(QTexturedMetalRoughMaterial); + emit q->baseColorChanged(var.value<QAbstractTexture *>()); +} + +void QTexturedMetalRoughMaterialPrivate::handleMetallicChanged(const QVariant &var) +{ + Q_Q(QTexturedMetalRoughMaterial); + emit q->metalnessChanged(var.value<QAbstractTexture *>()); +} +void QTexturedMetalRoughMaterialPrivate::handleRoughnessChanged(const QVariant &var) +{ + Q_Q(QTexturedMetalRoughMaterial); + emit q->roughnessChanged(var.value<QAbstractTexture *>()); +} +void QTexturedMetalRoughMaterialPrivate::handleAmbientOcclusionChanged(const QVariant &var) +{ + Q_Q(QTexturedMetalRoughMaterial); + emit q->ambientOcclusionChanged(var.value<QAbstractTexture *>()); +} + +void QTexturedMetalRoughMaterialPrivate::handleNormalChanged(const QVariant &var) +{ + Q_Q(QTexturedMetalRoughMaterial); + emit q->normalChanged(var.value<QAbstractTexture *>()); +} + +/*! + \class Qt3DExtras::QTexturedMetalRoughMaterial + \brief The QTexturedMetalRoughMaterial provides a default implementation of PBR + lighting, environment maps and bump effect where the components are read from texture + maps (including normal maps). + \inmodule Qt3DExtras + \since 5.9 + \inherits Qt3DRender::QMaterial + + This material uses an effect with a single render pass approach and performs per fragment + lighting. Techniques are provided for OpenGL 3 only. +*/ + +/*! + Constructs a new QTexturedMetalRoughMaterial instance with parent object \a parent. +*/ +QTexturedMetalRoughMaterial::QTexturedMetalRoughMaterial(QNode *parent) + : QMaterial(*new QTexturedMetalRoughMaterialPrivate, parent) +{ + Q_D(QTexturedMetalRoughMaterial); + d->init(); +} + +/*! \internal */ +QTexturedMetalRoughMaterial::QTexturedMetalRoughMaterial(QTexturedMetalRoughMaterialPrivate &dd, QNode *parent) + : QMaterial(dd, parent) +{ + Q_D(QTexturedMetalRoughMaterial); + d->init(); +} + +/*! + Destroys the QTexturedMetalRoughMaterial instance. +*/ +QTexturedMetalRoughMaterial::~QTexturedMetalRoughMaterial() +{ +} + +/*! + \property QTexturedMetalRoughMaterial::baseColor + + Holds the current base color map texture. + + By default, the base color texture has the following properties: + + \list + \li Linear minification and magnification filters + \li Linear mipmap with mipmapping enabled + \li Repeat wrap mode + \li Maximum anisotropy of 16.0 + \endlist +*/ +QAbstractTexture *QTexturedMetalRoughMaterial::baseColor() const +{ + Q_D(const QTexturedMetalRoughMaterial); + return d->m_baseColorParameter->value().value<QAbstractTexture *>(); +} + +/*! + \property QTexturedMetalRoughMaterial::metalness + + Holds the current metalness map texture. + + By default, the metalness texture has the following properties: + + \list + \li Linear minification and magnification filters + \li Linear mipmap with mipmapping enabled + \li Repeat wrap mode + \li Maximum anisotropy of 16.0 + \endlist +*/ +QAbstractTexture *QTexturedMetalRoughMaterial::metalness() const +{ + Q_D(const QTexturedMetalRoughMaterial); + return d->m_metalnessParameter->value().value<QAbstractTexture *>(); +} + +/*! + \property QTexturedMetalRoughMaterial::roughness + + Holds the current roughness map texture. + + By default, the roughness texture has the following properties: + + \list + \li Linear minification and magnification filters + \li Linear mipmap with mipmapping enabled + \li Repeat wrap mode + \li Maximum anisotropy of 16.0 + \endlist +*/ +QAbstractTexture *QTexturedMetalRoughMaterial::roughness() const +{ + Q_D(const QTexturedMetalRoughMaterial); + return d->m_roughnessParameter->value().value<QAbstractTexture *>(); +} + +/*! + \property QTexturedMetalRoughMaterial::ambientOcclusion + + Holds the current ambient occlusion map texture. + + By default, the ambient occlusion texture has the following properties: + + \list + \li Linear minification and magnification filters + \li Linear mipmap with mipmapping enabled + \li Repeat wrap mode + \li Maximum anisotropy of 16.0 + \endlist +*/ +QAbstractTexture *QTexturedMetalRoughMaterial::ambientOcclusion() const +{ + Q_D(const QTexturedMetalRoughMaterial); + return d->m_ambientOcclusionParameter->value().value<QAbstractTexture *>(); +} + +/*! + \property QTexturedMetalRoughMaterial::normal + + Holds the current normal map texture. + + By default, the normal texture has the following properties: + + \list + \li Linear minification and magnification filters + \li Repeat wrap mode + \li Maximum anisotropy of 16.0 + \endlist +*/ +QAbstractTexture *QTexturedMetalRoughMaterial::normal() const +{ + Q_D(const QTexturedMetalRoughMaterial); + return d->m_normalParameter->value().value<QAbstractTexture *>(); +} + + +void QTexturedMetalRoughMaterial::setBaseColor(QAbstractTexture *baseColor) +{ + Q_D(QTexturedMetalRoughMaterial); + d->m_baseColorParameter->setValue(QVariant::fromValue(baseColor)); +} + +void QTexturedMetalRoughMaterial::setMetalness(QAbstractTexture *metalness) +{ + Q_D(QTexturedMetalRoughMaterial); + d->m_metalnessParameter->setValue(QVariant::fromValue(metalness)); +} + +void QTexturedMetalRoughMaterial::setRoughness(QAbstractTexture *roughness) +{ + Q_D(QTexturedMetalRoughMaterial); + d->m_roughnessParameter->setValue(QVariant::fromValue(roughness)); +} + +void QTexturedMetalRoughMaterial::setAmbientOcclusion(QAbstractTexture *ambientOcclusion) +{ + Q_D(QTexturedMetalRoughMaterial); + d->m_ambientOcclusionParameter->setValue(QVariant::fromValue(ambientOcclusion)); +} + +void QTexturedMetalRoughMaterial::setNormal(QAbstractTexture *normal) +{ + Q_D(QTexturedMetalRoughMaterial); + d->m_normalParameter->setValue(QVariant::fromValue(normal)); +} + +} // namespace Qt3DExtras + +QT_END_NAMESPACE |