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Diffstat (limited to 'src/extras/defaults/qtexturematerial.cpp')
-rw-r--r-- | src/extras/defaults/qtexturematerial.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/extras/defaults/qtexturematerial.cpp b/src/extras/defaults/qtexturematerial.cpp new file mode 100644 index 000000000..0038dd44a --- /dev/null +++ b/src/extras/defaults/qtexturematerial.cpp @@ -0,0 +1,209 @@ +/**************************************************************************** +** +** 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 "qtexturematerial.h" +#include "qtexturematerial_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> + +QT_BEGIN_NAMESPACE + +using namespace Qt3DRender; + +namespace Qt3DExtras { + +QTextureMaterialPrivate::QTextureMaterialPrivate() + : QMaterialPrivate() + , m_textureEffect(new QEffect) + , m_textureParameter(new QParameter(QStringLiteral("diffuseTexture"), new QTexture2D)) + , m_textureOffsetParameter(new QParameter(QStringLiteral("texCoordOffset"), QVector2D(0.0f, 0.0f))) + , m_textureGL3Technique(new QTechnique) + , m_textureGL2Technique(new QTechnique) + , m_textureES2Technique(new QTechnique) + , m_textureGL3RenderPass(new QRenderPass) + , m_textureGL2RenderPass(new QRenderPass) + , m_textureES2RenderPass(new QRenderPass) + , m_textureGL3Shader(new QShaderProgram) + , m_textureGL2ES2Shader(new QShaderProgram) + , m_filterKey(new QFilterKey) +{ +} + +void QTextureMaterialPrivate::init() +{ + connect(m_textureParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTextureMaterialPrivate::handleTextureChanged); + connect(m_textureOffsetParameter, &Qt3DRender::QParameter::valueChanged, + this, &QTextureMaterialPrivate::handleTextureOffsetChanged); + + m_textureGL3Shader->setVertexShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/gl3/unlittexture.vert")))); + m_textureGL3Shader->setFragmentShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/gl3/unlittexture.frag")))); + m_textureGL2ES2Shader->setVertexShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/es2/unlittexture.vert")))); + m_textureGL2ES2Shader->setFragmentShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/shaders/es2/unlittexture.frag")))); + + m_textureGL3Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL); + m_textureGL3Technique->graphicsApiFilter()->setMajorVersion(3); + m_textureGL3Technique->graphicsApiFilter()->setMinorVersion(1); + m_textureGL3Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::CoreProfile); + + m_textureGL2Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL); + m_textureGL2Technique->graphicsApiFilter()->setMajorVersion(2); + m_textureGL2Technique->graphicsApiFilter()->setMinorVersion(0); + m_textureGL2Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::NoProfile); + + m_textureES2Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGLES); + m_textureES2Technique->graphicsApiFilter()->setMajorVersion(2); + m_textureES2Technique->graphicsApiFilter()->setMinorVersion(0); + m_textureES2Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::NoProfile); + + Q_Q(QTextureMaterial); + m_filterKey->setParent(q); + m_filterKey->setName(QStringLiteral("renderingStyle")); + m_filterKey->setValue(QStringLiteral("forward")); + + m_textureGL3Technique->addFilterKey(m_filterKey); + m_textureGL2Technique->addFilterKey(m_filterKey); + m_textureES2Technique->addFilterKey(m_filterKey); + + m_textureGL3RenderPass->setShaderProgram(m_textureGL3Shader); + m_textureGL2RenderPass->setShaderProgram(m_textureGL2ES2Shader); + m_textureES2RenderPass->setShaderProgram(m_textureGL2ES2Shader); + + m_textureGL3Technique->addRenderPass(m_textureGL3RenderPass); + m_textureGL2Technique->addRenderPass(m_textureGL2RenderPass); + m_textureES2Technique->addRenderPass(m_textureES2RenderPass); + + m_textureEffect->addTechnique(m_textureGL3Technique); + m_textureEffect->addTechnique(m_textureGL2Technique); + m_textureEffect->addTechnique(m_textureES2Technique); + + m_textureEffect->addParameter(m_textureParameter); + m_textureEffect->addParameter(m_textureOffsetParameter); + + q->setEffect(m_textureEffect); +} + +void QTextureMaterialPrivate::handleTextureChanged(const QVariant &var) +{ + Q_Q(QTextureMaterial); + emit q->textureChanged(var.value<QAbstractTexture *>()); +} + +void QTextureMaterialPrivate::handleTextureOffsetChanged(const QVariant &var) +{ + Q_Q(QTextureMaterial); + emit q->textureOffsetChanged(var.value<QVector2D>()); +} + +/*! + \class Qt3DExtras::QTextureMaterial + \brief The QTextureMaterial provides a default implementation of a simple unlit + texture material. + \inmodule Qt3DExtras + \since 5.9 + \inherits Qt3DRender::QMaterial + + This material uses an effect with a single render pass approach. Techniques are provided + for OpenGL 2, OpenGL 3 or above as well as OpenGL ES 2. +*/ + +/*! + Constructs a new QTextureMaterial instance with parent object \a parent. + */ +QTextureMaterial::QTextureMaterial(QNode *parent) + : QMaterial(*new QTextureMaterialPrivate, parent) +{ + Q_D(QTextureMaterial); + d->init(); +} + +/*! + Destroys the QTextureMaterial instance. +*/ +QTextureMaterial::~QTextureMaterial() +{ +} + +/*! + \property QTextureMaterial::texture + + Holds the current texture used by the material. +*/ +QAbstractTexture *QTextureMaterial::texture() const +{ + Q_D(const QTextureMaterial); + return d->m_textureParameter->value().value<QAbstractTexture *>(); +} + +/*! + \property QTextureMaterial::textureOffset + + Holds the current texture offset. It is applied to texture + coordinates at render time. Defaults to (0.0, 0.0). + +*/ +QVector2D QTextureMaterial::textureOffset() const +{ + Q_D(const QTextureMaterial); + return d->m_textureOffsetParameter->value().value<QVector2D>(); +} + +void QTextureMaterial::setTexture(QAbstractTexture *texture) +{ + Q_D(QTextureMaterial); + d->m_textureParameter->setValue(QVariant::fromValue(texture)); +} + +void QTextureMaterial::setTextureOffset(QVector2D textureOffset) +{ + Q_D(QTextureMaterial); + d->m_textureOffsetParameter->setValue(QVariant::fromValue(textureOffset)); +} + +} // namespace Qt3DExtras + +QT_END_NAMESPACE |