qt3d/examples/deferred-renderer-cpp/deferredrenderer.cpp

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#include "deferredrenderer.h"


DeferredRenderer::DeferredRenderer(Qt3D::QNode *parent)
    : Qt3D::QViewport(parent)
    , m_sceneFilter(new Qt3D::QLayerFilter(this))
    , m_screenQuadFilter(new Qt3D::QLayerFilter(this))
    , m_clearScreenQuad(new Qt3D::QClearBuffer(m_screenQuadFilter))
    , m_gBufferTargetSelector(new Qt3D::QRenderTargetSelector(m_sceneFilter))
    , m_clearGBuffer(new Qt3D::QClearBuffer(m_gBufferTargetSelector))
    , m_geometryPassFilter(new Qt3D::QRenderPassFilter(m_clearGBuffer))
    , m_finalPassFilter(new Qt3D::QRenderPassFilter(m_clearScreenQuad))
    , m_sceneCameraSelector(new Qt3D::QCameraSelector(m_geometryPassFilter))
{
    m_clearGBuffer->setBuffers(Qt3D::QClearBuffer::ColorDepthBuffer);
    m_clearScreenQuad->setBuffers(Qt3D::QClearBuffer::ColorDepthBuffer);
}

void DeferredRenderer::setSceneCamera(Qt3D::QEntity *camera)
{
    m_sceneCameraSelector->setCamera(camera);
}

void DeferredRenderer::setGBuffer(Qt3D::QRenderTarget *gBuffer)
{
    m_gBufferTargetSelector->setTarget(gBuffer);
}

void DeferredRenderer::setGeometryPassCriteria(QList<Qt3D::QAnnotation *> criteria)
{
    Q_FOREACH (Qt3D::QAnnotation *c, criteria)
        m_geometryPassFilter->addInclude(c);
}

void DeferredRenderer::setFinalPassCriteria(QList<Qt3D::QAnnotation *> criteria)
{
    Q_FOREACH (Qt3D::QAnnotation *c, criteria)
        c->setParent(m_finalPassFilter);
}

void DeferredRenderer::setGBufferLayers(const QStringList &layerNames)
{
    m_sceneFilter->setLayers(layerNames);
}

void DeferredRenderer::setScreenQuadLayers(const QStringList &layerNames)
{
    m_screenQuadFilter->setLayers(layerNames);
}