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-rw-r--r--tests/auto/gui/util/qshadergenerator/tst_qshadergenerator.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/tests/auto/gui/util/qshadergenerator/tst_qshadergenerator.cpp b/tests/auto/gui/util/qshadergenerator/tst_qshadergenerator.cpp
index 2b9b08a18a..56df69dde8 100644
--- a/tests/auto/gui/util/qshadergenerator/tst_qshadergenerator.cpp
+++ b/tests/auto/gui/util/qshadergenerator/tst_qshadergenerator.cpp
@@ -199,6 +199,8 @@ private slots:
void shouldUseGlobalVariableRatherThanTemporaries();
void shouldGenerateTemporariesWisely();
void shouldHandlePortNamesPrefixingOneAnother();
+ void shouldHandleNodesWithMultipleOutputPorts();
+ void shouldHandleExpressionsInInputNodes();
};
void tst_QShaderGenerator::shouldHaveDefaultState()
@@ -1299,6 +1301,127 @@ void tst_QShaderGenerator::shouldHandlePortNamesPrefixingOneAnother()
QCOMPARE(code, expected.join("\n"));
}
+void tst_QShaderGenerator::shouldHandleNodesWithMultipleOutputPorts()
+{
+ // GIVEN
+ const auto gl4 = createFormat(QShaderFormat::OpenGLCoreProfile, 4, 0);
+
+ auto input = createNode({
+ createPort(QShaderNodePort::Output, "output0"),
+ createPort(QShaderNodePort::Output, "output1")
+ });
+ input.addRule(gl4, QShaderNode::Rule("vec4 $output0 = globalIn0;"
+ "float $output1 = globalIn1;",
+ QByteArrayList() << "in vec4 globalIn0;" << "in float globalIn1;"));
+
+ auto function = createNode({
+ createPort(QShaderNodePort::Input, "input0"),
+ createPort(QShaderNodePort::Input, "input1"),
+ createPort(QShaderNodePort::Output, "output0"),
+ createPort(QShaderNodePort::Output, "output1")
+ });
+ function.addRule(gl4, QShaderNode::Rule("vec4 $output0 = $input0;"
+ "float $output1 = $input1;"));
+
+ auto output = createNode({
+ createPort(QShaderNodePort::Input, "input0"),
+ createPort(QShaderNodePort::Input, "input1")
+ });
+
+ output.addRule(gl4, QShaderNode::Rule("globalOut0 = $input0;"
+ "globalOut1 = $input1;",
+ QByteArrayList() << "out vec4 globalOut0;" << "out float globalOut1;"));
+
+ // WHEN
+ const auto graph = [=] {
+ auto res = QShaderGraph();
+
+ res.addNode(input);
+ res.addNode(function);
+ res.addNode(output);
+
+ res.addEdge(createEdge(input.uuid(), "output0", function.uuid(), "input0"));
+ res.addEdge(createEdge(input.uuid(), "output1", function.uuid(), "input1"));
+
+ res.addEdge(createEdge(function.uuid(), "output0", output.uuid(), "input0"));
+ res.addEdge(createEdge(function.uuid(), "output1", output.uuid(), "input1"));
+
+ return res;
+ }();
+
+ auto generator = QShaderGenerator();
+ generator.graph = graph;
+ generator.format = gl4;
+
+ const auto code = generator.createShaderCode();
+
+ // THEN
+ const auto expected = QByteArrayList()
+ << "#version 400 core"
+ << ""
+ << "in vec4 globalIn0;"
+ << "in float globalIn1;"
+ << "out vec4 globalOut0;"
+ << "out float globalOut1;"
+ << ""
+ << "void main()"
+ << "{"
+ << " globalOut0 = globalIn0;"
+ << " globalOut1 = globalIn1;"
+ << "}"
+ << "";
+ QCOMPARE(code, expected.join("\n"));
+}
+
+void tst_QShaderGenerator::shouldHandleExpressionsInInputNodes()
+{
+ // GIVEN
+ const auto gl4 = createFormat(QShaderFormat::OpenGLCoreProfile, 4, 0);
+
+ auto input = createNode({
+ createPort(QShaderNodePort::Output, "output")
+ });
+ input.addRule(gl4, QShaderNode::Rule("float $output = 3 + 4;"));
+
+ auto output = createNode({
+ createPort(QShaderNodePort::Input, "input")
+ });
+
+ output.addRule(gl4, QShaderNode::Rule("globalOut = $input;",
+ QByteArrayList() << "out float globalOut;"));
+
+ // WHEN
+ const auto graph = [=] {
+ auto res = QShaderGraph();
+
+ res.addNode(input);
+ res.addNode(output);
+
+ res.addEdge(createEdge(input.uuid(), "output", output.uuid(), "input"));
+
+ return res;
+ }();
+
+ auto generator = QShaderGenerator();
+ generator.graph = graph;
+ generator.format = gl4;
+
+ const auto code = generator.createShaderCode();
+
+ // THEN
+ const auto expected = QByteArrayList()
+ << "#version 400 core"
+ << ""
+ << "out float globalOut;"
+ << ""
+ << "void main()"
+ << "{"
+ << " globalOut = 3 + 4;"
+ << "}"
+ << "";
+ QCOMPARE(code, expected.join("\n"));
+}
+
QTEST_MAIN(tst_QShaderGenerator)
#include "tst_qshadergenerator.moc"