| /**************************************************************************** |
| ** |
| ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| ** This file is part of the Qt3D module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #include "deferredrenderer.h" |
| #include "gbuffer.h" |
| #include <Qt3DRender/QParameter> |
| #include <QWindow> |
| |
| DeferredRenderer::DeferredRenderer(Qt3DCore::QNode *parent) |
| : Qt3DRender::QViewport(parent) |
| , m_surfaceSelector(new Qt3DRender::QRenderSurfaceSelector(this)) |
| , m_sceneFilter(new Qt3DRender::QLayerFilter(m_surfaceSelector)) |
| , m_screenQuadFilter(new Qt3DRender::QLayerFilter(m_surfaceSelector)) |
| , m_clearScreenQuad(new Qt3DRender::QClearBuffers(m_screenQuadFilter)) |
| , m_gBufferTargetSelector(new Qt3DRender::QRenderTargetSelector(m_sceneFilter)) |
| , m_clearGBuffer(new Qt3DRender::QClearBuffers(m_gBufferTargetSelector)) |
| , m_geometryPassFilter(new Qt3DRender::QRenderPassFilter(m_clearGBuffer)) |
| , m_finalPassFilter(new Qt3DRender::QRenderPassFilter(m_clearScreenQuad)) |
| , m_sceneCameraSelector(new Qt3DRender::QCameraSelector(m_geometryPassFilter)) |
| , m_winSize(new Qt3DRender::QParameter(QStringLiteral("winSize"), QSizeF(1024.0f, 768.0f))) |
| , m_gBuffer(new GBuffer(this)) |
| , m_window(nullptr) |
| { |
| m_clearGBuffer->setBuffers(Qt3DRender::QClearBuffers::ColorDepthBuffer); |
| m_clearScreenQuad->setBuffers(Qt3DRender::QClearBuffers::ColorDepthBuffer); |
| m_gBufferTargetSelector->setTarget(m_gBuffer); |
| |
| m_finalPassFilter->addParameter(new Qt3DRender::QParameter(QStringLiteral("position"), m_gBuffer->positionTexture())); |
| m_finalPassFilter->addParameter(new Qt3DRender::QParameter(QStringLiteral("normal"), m_gBuffer->normalTexture())); |
| m_finalPassFilter->addParameter(new Qt3DRender::QParameter(QStringLiteral("color"), m_gBuffer->colorTexture())); |
| m_finalPassFilter->addParameter(m_winSize); |
| } |
| |
| void DeferredRenderer::setSceneCamera(Qt3DCore::QEntity *camera) |
| { |
| m_sceneCameraSelector->setCamera(camera); |
| } |
| |
| void DeferredRenderer::setGeometryPassCriteria(QList<Qt3DRender::QFilterKey *> criteria) |
| { |
| for (Qt3DRender::QFilterKey *c : qAsConst(criteria)) |
| m_geometryPassFilter->addMatch(c); |
| } |
| |
| void DeferredRenderer::setFinalPassCriteria(QList<Qt3DRender::QFilterKey *> criteria) |
| { |
| for (Qt3DRender::QFilterKey *c : qAsConst(criteria)) |
| c->setParent(m_finalPassFilter); |
| } |
| |
| void DeferredRenderer::setGBufferLayer(Qt3DRender::QLayer *layer) |
| { |
| m_sceneFilter->addLayer(layer); |
| } |
| |
| void DeferredRenderer::setScreenQuadLayer(Qt3DRender::QLayer *layer) |
| { |
| m_screenQuadFilter->addLayer(layer); |
| } |
| |
| void DeferredRenderer::setSurface(QWindow *surface) |
| { |
| if (surface != m_window) { |
| |
| // Disconnect old window's signals |
| if (m_window != nullptr) { |
| QObject::disconnect(m_widthChangedConnection); |
| QObject::disconnect(m_heightChangedConnection); |
| } |
| |
| m_window = surface; |
| m_surfaceSelector->setSurface(surface); |
| |
| if (m_window != nullptr) { |
| // Store connections |
| m_widthChangedConnection = QObject::connect(surface, &QWindow::widthChanged, |
| [this] (int width) { |
| m_winSize->setValue(QSizeF(float(width), m_winSize->value().toSizeF().height())); |
| }); |
| m_heightChangedConnection = QObject::connect(surface, &QWindow::heightChanged, |
| [this] (int height) { |
| m_winSize->setValue(QSizeF(m_winSize->value().toSizeF().width(), float(height))); |
| }); |
| } |
| } |
| } |