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| |
| #include "technique_p.h" |
| |
| #include <Qt3DRender/qrenderpass.h> |
| #include <Qt3DRender/qparameter.h> |
| #include <Qt3DRender/qtechnique.h> |
| #include <Qt3DRender/qgraphicsapifilter.h> |
| #include <Qt3DRender/private/filterkey_p.h> |
| #include <Qt3DRender/private/qtechnique_p.h> |
| #include <Qt3DRender/private/shader_p.h> |
| #include <Qt3DCore/private/qchangearbiter_p.h> |
| #include <Qt3DRender/private/managers_p.h> |
| #include <Qt3DRender/private/techniquemanager_p.h> |
| #include <Qt3DRender/private/nodemanagers_p.h> |
| |
| #include <QDebug> |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace Qt3DCore; |
| |
| namespace Qt3DRender { |
| namespace Render { |
| |
| Technique::Technique() |
| : BackendNode() |
| , m_isCompatibleWithRenderer(false) |
| , m_nodeManager(nullptr) |
| { |
| } |
| |
| Technique::~Technique() |
| { |
| cleanup(); |
| } |
| |
| void Technique::cleanup() |
| { |
| QBackendNode::setEnabled(false); |
| m_parameterPack.clear(); |
| m_renderPasses.clear(); |
| m_filterKeyList.clear(); |
| m_isCompatibleWithRenderer = false; |
| } |
| |
| void Technique::syncFromFrontEnd(const QNode *frontEnd, bool firstTime) |
| { |
| const QTechnique *node = qobject_cast<const QTechnique *>(frontEnd); |
| |
| if (!node) |
| return; |
| |
| bool dirty = isEnabled() != frontEnd->isEnabled(); |
| BackendNode::syncFromFrontEnd(frontEnd, firstTime); |
| |
| auto renderPasses = qIdsForNodes(node->renderPasses()); |
| std::sort(std::begin(renderPasses), std::end(renderPasses)); |
| if (m_renderPasses != renderPasses) { |
| m_renderPasses = renderPasses; |
| dirty = true; |
| } |
| |
| auto parameters = qIdsForNodes(node->parameters()); |
| std::sort(std::begin(parameters), std::end(parameters)); |
| if (m_parameterPack.parameters() != parameters) { |
| m_parameterPack.setParameters(parameters); |
| dirty = true; |
| } |
| |
| auto filterKeys = qIdsForNodes(node->filterKeys()); |
| std::sort(std::begin(filterKeys), std::end(filterKeys)); |
| if (m_filterKeyList != filterKeys) { |
| m_filterKeyList = filterKeys; |
| dirty = true; |
| } |
| |
| auto graphicsApiFilterData = QGraphicsApiFilterPrivate::get(node->graphicsApiFilter())->m_data; |
| if (m_graphicsApiFilterData != graphicsApiFilterData) { |
| m_graphicsApiFilterData = graphicsApiFilterData; |
| m_isCompatibleWithRenderer = false; |
| dirty = true; |
| } |
| |
| if (dirty) { |
| m_nodeManager->techniqueManager()->addDirtyTechnique(peerId()); |
| markDirty(AbstractRenderer::TechniquesDirty); |
| } |
| } |
| |
| QVector<Qt3DCore::QNodeId> Technique::parameters() const |
| { |
| return m_parameterPack.parameters(); |
| } |
| |
| void Technique::appendRenderPass(Qt3DCore::QNodeId renderPassId) |
| { |
| if (!m_renderPasses.contains(renderPassId)) |
| m_renderPasses.append(renderPassId); |
| } |
| |
| void Technique::removeRenderPass(Qt3DCore::QNodeId renderPassId) |
| { |
| m_renderPasses.removeOne(renderPassId); |
| } |
| |
| QVector<Qt3DCore::QNodeId> Technique::filterKeys() const |
| { |
| return m_filterKeyList; |
| } |
| |
| QVector<Qt3DCore::QNodeId> Technique::renderPasses() const |
| { |
| return m_renderPasses; |
| } |
| |
| const GraphicsApiFilterData *Technique::graphicsApiFilter() const |
| { |
| return &m_graphicsApiFilterData; |
| } |
| |
| bool Technique::isCompatibleWithRenderer() const |
| { |
| return m_isCompatibleWithRenderer; |
| } |
| |
| void Technique::setCompatibleWithRenderer(bool compatible) |
| { |
| m_isCompatibleWithRenderer = compatible; |
| } |
| |
| bool Technique::isCompatibleWithFilters(const QNodeIdVector &filterKeyIds) |
| { |
| // There is a technique filter so we need to check for a technique with suitable criteria. |
| // Check for early bail out if the technique doesn't have sufficient number of criteria and |
| // can therefore never satisfy the filter |
| if (m_filterKeyList.size() < filterKeyIds.size()) |
| return false; |
| |
| // Iterate through the filter criteria and for each one search for a criteria on the |
| // technique that satisfies it |
| for (const QNodeId filterKeyId : filterKeyIds) { |
| FilterKey *filterKey = m_nodeManager->filterKeyManager()->lookupResource(filterKeyId); |
| |
| bool foundMatch = false; |
| |
| for (const QNodeId techniqueFilterKeyId : qAsConst(m_filterKeyList)) { |
| FilterKey *techniqueFilterKey = m_nodeManager->filterKeyManager()->lookupResource(techniqueFilterKeyId); |
| if ((foundMatch = (*techniqueFilterKey == *filterKey))) |
| break; |
| } |
| |
| // No match for TechniqueFilter criterion in any of the technique's criteria. |
| // So no way this can match. Don't bother checking the rest of the criteria. |
| if (!foundMatch) |
| return false; |
| } |
| return true; |
| } |
| |
| void Technique::setNodeManager(NodeManagers *nodeManager) |
| { |
| m_nodeManager = nodeManager; |
| } |
| |
| NodeManagers *Technique::nodeManager() const |
| { |
| return m_nodeManager; |
| } |
| |
| void Technique::appendFilterKey(Qt3DCore::QNodeId criterionId) |
| { |
| if (!m_filterKeyList.contains(criterionId)) |
| m_filterKeyList.append(criterionId); |
| } |
| |
| void Technique::removeFilterKey(Qt3DCore::QNodeId criterionId) |
| { |
| m_filterKeyList.removeOne(criterionId); |
| } |
| |
| TechniqueFunctor::TechniqueFunctor(AbstractRenderer *renderer, NodeManagers *manager) |
| : m_manager(manager) |
| , m_renderer(renderer) |
| { |
| } |
| |
| QBackendNode *TechniqueFunctor::create(const QNodeCreatedChangeBasePtr &change) const |
| { |
| Technique *technique = m_manager->techniqueManager()->getOrCreateResource(change->subjectId()); |
| technique->setNodeManager(m_manager); |
| technique->setRenderer(m_renderer); |
| return technique; |
| } |
| |
| QBackendNode *TechniqueFunctor::get(QNodeId id) const |
| { |
| return m_manager->techniqueManager()->lookupResource(id); |
| } |
| |
| void TechniqueFunctor::destroy(QNodeId id) const |
| { |
| m_manager->techniqueManager()->releaseResource(id); |
| |
| } |
| |
| } // namespace Render |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |