Add shadernode (big WIP)

src/ShaderNode/DataModels/FragmentOutput.cpp

@@ -0,0 +1,44 @@
+#include <DataModels/FragmentOutput.hpp>
+#include <Nazara/Renderer/ShaderBuilder.hpp>
+#include <DataModels/VecValue.hpp>
+
+Nz::ShaderAst::ExpressionPtr FragmentOutput::GetExpression(Nz::ShaderAst::ExpressionPtr* expressions, std::size_t count) const
+{
+	using namespace Nz::ShaderAst;
+	using namespace Nz::ShaderBuilder;
+
+	assert(count == 1);
+
+	auto output = Nz::ShaderBuilder::Output("RenderTarget0", ExpressionType::Float4);
+
+	return Nz::ShaderBuilder::Assign(output, *expressions);
+}
+
+QtNodes::NodeDataType FragmentOutput::dataType(QtNodes::PortType portType, QtNodes::PortIndex portIndex) const
+{
+	assert(portType == QtNodes::PortType::In);
+	assert(portIndex == 0);
+
+	return Vec4Data::Type();
+}
+
+QWidget* FragmentOutput::embeddedWidget()
+{
+	return nullptr;
+}
+
+unsigned int FragmentOutput::nPorts(QtNodes::PortType portType) const
+{
+	switch (portType)
+	{
+		case QtNodes::PortType::In: return 1;
+		case QtNodes::PortType::Out: return 0;
+	}
+
+	return 0;
+}
+
+std::shared_ptr<QtNodes::NodeData> FragmentOutput::outData(QtNodes::PortIndex /*port*/)
+{
+	return {};
+}