deferredrenderer.cpp Example File

deferred-renderer-cpp/deferredrenderer.cpp

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  #include "deferredrenderer.h"

  DeferredRenderer::DeferredRenderer(Qt3DCore::QNode *parent)
      : Qt3DRender::QViewport(parent)
      , m_sceneFilter(new Qt3DRender::QLayerFilter(this))
      , m_screenQuadFilter(new Qt3DRender::QLayerFilter(this))
      , m_clearScreenQuad(new Qt3DRender::QClearBuffer(m_screenQuadFilter))
      , m_gBufferTargetSelector(new Qt3DRender::QRenderTargetSelector(m_sceneFilter))
      , m_clearGBuffer(new Qt3DRender::QClearBuffer(m_gBufferTargetSelector))
      , m_geometryPassFilter(new Qt3DRender::QRenderPassFilter(m_clearGBuffer))
      , m_finalPassFilter(new Qt3DRender::QRenderPassFilter(m_clearScreenQuad))
      , m_sceneCameraSelector(new Qt3DRender::QCameraSelector(m_geometryPassFilter))
  {
      m_clearGBuffer->setBuffers(Qt3DRender::QClearBuffer::ColorDepthBuffer);
      m_clearScreenQuad->setBuffers(Qt3DRender::QClearBuffer::ColorDepthBuffer);
  }

  void DeferredRenderer::setSceneCamera(Qt3DCore::QEntity *camera)
  {
      m_sceneCameraSelector->setCamera(camera);
  }

  void DeferredRenderer::setGBuffer(Qt3DRender::QRenderTarget *gBuffer)
  {
      m_gBufferTargetSelector->setTarget(gBuffer);
  }

  void DeferredRenderer::setGeometryPassCriteria(QList<Qt3DRender::QAnnotation *> criteria)
  {
      Q_FOREACH (Qt3DRender::QAnnotation *c, criteria)
          m_geometryPassFilter->addInclude(c);
  }

  void DeferredRenderer::setFinalPassCriteria(QList<Qt3DRender::QAnnotation *> criteria)
  {
      Q_FOREACH (Qt3DRender::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);
  }