diff options
-rw-r--r-- | src/gui/util/qshadergraph.cpp | 17 | ||||
-rw-r--r-- | tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp | 45 |
2 files changed, 57 insertions, 5 deletions
diff --git a/src/gui/util/qshadergraph.cpp b/src/gui/util/qshadergraph.cpp index b05b710713..46fe6ac6d6 100644 --- a/src/gui/util/qshadergraph.cpp +++ b/src/gui/util/qshadergraph.cpp @@ -44,13 +44,20 @@ QT_BEGIN_NAMESPACE namespace { - QVector<QShaderNode> copyOutputNodes(const QVector<QShaderNode> &nodes) + QVector<QShaderNode> copyOutputNodes(const QVector<QShaderNode> &nodes, const QVector<QShaderGraph::Edge> &edges) { auto res = QVector<QShaderNode>(); std::copy_if(nodes.cbegin(), nodes.cend(), std::back_inserter(res), - [] (const QShaderNode &node) { - return node.type() == QShaderNode::Output; + [&edges] (const QShaderNode &node) { + return node.type() == QShaderNode::Output || + (node.type() == QShaderNode::Function && + !std::any_of(edges.cbegin(), + edges.cend(), + [&node] (const QShaderGraph::Edge &edge) { + return edge.sourceNodeUuid == + node.uuid(); + })); }); return res; } @@ -210,8 +217,8 @@ QVector<QShaderGraph::Statement> QShaderGraph::createStatements(const QStringLis auto result = QVector<Statement>(); QVector<Edge> currentEdges = enabledEdges; - QVector<QUuid> currentUuids = [enabledNodes] { - const QVector<QShaderNode> inputs = copyOutputNodes(enabledNodes); + QVector<QUuid> currentUuids = [enabledNodes, enabledEdges] { + const QVector<QShaderNode> inputs = copyOutputNodes(enabledNodes, enabledEdges); auto res = QVector<QUuid>(); std::transform(inputs.cbegin(), inputs.cend(), std::back_inserter(res), diff --git a/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp b/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp index ce2d38c24f..50c925a111 100644 --- a/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp +++ b/tests/auto/gui/util/qshadergraph/tst_qshadergraph.cpp @@ -114,6 +114,7 @@ private slots: void shouldSurviveCyclesDuringGraphSerialization(); void shouldDealWithEdgesJumpingOverLayers(); void shouldGenerateDifferentStatementsDependingOnActiveLayers(); + void shouldDealWithBranchesWithoutOutput(); }; void tst_QShaderGraph::shouldHaveEdgeDefaultState() @@ -774,6 +775,50 @@ void tst_QShaderGraph::shouldGenerateDifferentStatementsDependingOnActiveLayers( } } +void tst_QShaderGraph::shouldDealWithBranchesWithoutOutput() +{ + // GIVEN + const auto input = createNode({ + createPort(QShaderNodePort::Output, "input") + }); + const auto output = createNode({ + createPort(QShaderNodePort::Input, "output") + }); + const auto danglingFunction = createNode({ + createPort(QShaderNodePort::Input, "functionInput"), + createPort(QShaderNodePort::Output, "unbound") + }); + const auto function = createNode({ + createPort(QShaderNodePort::Input, "functionInput"), + createPort(QShaderNodePort::Output, "functionOutput") + }); + + const auto graph = [=] { + auto res = QShaderGraph(); + res.addNode(input); + res.addNode(function); + res.addNode(danglingFunction); + res.addNode(output); + res.addEdge(createEdge(input.uuid(), "input", function.uuid(), "functionInput")); + res.addEdge(createEdge(input.uuid(), "input", danglingFunction.uuid(), "functionInput")); + res.addEdge(createEdge(function.uuid(), "functionOutput", output.uuid(), "output")); + return res; + }(); + + // WHEN + const auto statements = graph.createStatements(); + + // THEN + // Note that no edge leads to the unbound input + const auto expected = QVector<QShaderGraph::Statement>() + << createStatement(input, {}, {0}) + << createStatement(function, {0}, {1}) + << createStatement(output, {1}, {}) + << createStatement(danglingFunction, {0}, {2}); + dumpStatementsIfNeeded(statements, expected); + QCOMPARE(statements, expected); +} + QTEST_MAIN(tst_QShaderGraph) #include "tst_qshadergraph.moc" |