mirror of https://github.com/qt/qt3d.git
134 lines
5.7 KiB
C++
134 lines
5.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt3D module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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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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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "deferredrenderer.h"
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#include "gbuffer.h"
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#include <Qt3DRender/QParameter>
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#include <QWindow>
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DeferredRenderer::DeferredRenderer(Qt3DCore::QNode *parent)
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: Qt3DRender::QViewport(parent)
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, m_surfaceSelector(new Qt3DRender::QRenderSurfaceSelector(this))
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, m_sceneFilter(new Qt3DRender::QLayerFilter(m_surfaceSelector))
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, m_screenQuadFilter(new Qt3DRender::QLayerFilter(m_surfaceSelector))
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, m_clearScreenQuad(new Qt3DRender::QClearBuffers(m_screenQuadFilter))
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, m_gBufferTargetSelector(new Qt3DRender::QRenderTargetSelector(m_sceneFilter))
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, m_clearGBuffer(new Qt3DRender::QClearBuffers(m_gBufferTargetSelector))
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, m_geometryPassFilter(new Qt3DRender::QRenderPassFilter(m_clearGBuffer))
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, m_finalPassFilter(new Qt3DRender::QRenderPassFilter(m_clearScreenQuad))
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, m_sceneCameraSelector(new Qt3DRender::QCameraSelector(m_geometryPassFilter))
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, m_winSize(new Qt3DRender::QParameter(QStringLiteral("winSize"), QSizeF(1024.0f, 768.0f)))
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, m_gBuffer(new GBuffer(this))
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, m_window(nullptr)
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{
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m_clearGBuffer->setBuffers(Qt3DRender::QClearBuffers::ColorDepthBuffer);
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m_clearScreenQuad->setBuffers(Qt3DRender::QClearBuffers::ColorDepthBuffer);
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m_gBufferTargetSelector->setTarget(m_gBuffer);
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m_finalPassFilter->addParameter(new Qt3DRender::QParameter(QStringLiteral("position"), m_gBuffer->positionTexture()));
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m_finalPassFilter->addParameter(new Qt3DRender::QParameter(QStringLiteral("normal"), m_gBuffer->normalTexture()));
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m_finalPassFilter->addParameter(new Qt3DRender::QParameter(QStringLiteral("color"), m_gBuffer->colorTexture()));
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m_finalPassFilter->addParameter(m_winSize);
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}
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void DeferredRenderer::setSceneCamera(Qt3DCore::QEntity *camera)
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{
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m_sceneCameraSelector->setCamera(camera);
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}
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void DeferredRenderer::setGeometryPassCriteria(QList<Qt3DRender::QFilterKey *> criteria)
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{
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for (Qt3DRender::QFilterKey *c : qAsConst(criteria))
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m_geometryPassFilter->addMatch(c);
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}
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void DeferredRenderer::setFinalPassCriteria(QList<Qt3DRender::QFilterKey *> criteria)
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{
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for (Qt3DRender::QFilterKey *c : qAsConst(criteria))
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c->setParent(m_finalPassFilter);
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}
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void DeferredRenderer::setGBufferLayer(Qt3DRender::QLayer *layer)
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{
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m_sceneFilter->addLayer(layer);
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}
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void DeferredRenderer::setScreenQuadLayer(Qt3DRender::QLayer *layer)
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{
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m_screenQuadFilter->addLayer(layer);
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}
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void DeferredRenderer::setSurface(QWindow *surface)
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{
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if (surface != m_window) {
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// Disconnect old window's signals
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if (m_window != nullptr) {
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QObject::disconnect(m_widthChangedConnection);
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QObject::disconnect(m_heightChangedConnection);
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}
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m_window = surface;
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m_surfaceSelector->setSurface(surface);
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if (m_window != nullptr) {
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// Store connections
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m_widthChangedConnection = QObject::connect(surface, &QWindow::widthChanged,
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[this] (int width) {
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m_winSize->setValue(QSizeF(float(width), m_winSize->value().toSizeF().height()));
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});
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m_heightChangedConnection = QObject::connect(surface, &QWindow::heightChanged,
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[this] (int height) {
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m_winSize->setValue(QSizeF(m_winSize->value().toSizeF().width(), float(height)));
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});
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}
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}
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}
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