Ichthyostega
c4b2902dd4
* ...by defining a parameter-functor to »drop off« a given value * ...also add a static sanity check to reject unsuitable parameter-functor \\ (e.g. for a processing-functor with different or even no parameters)
153 lines
4.3 KiB
C++
153 lines
4.3 KiB
C++
/*
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NodeBuilder(Test) - creation and setup of render nodes
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Copyright (C)
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2024, Hermann Vosseler <Ichthyostega@web.de>
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**Lumiera** is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version. See the file COPYING for further details.
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* *****************************************************************/
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/** @file node-builder-test.cpp
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** Unit test \ref NodeBuilder_test demonstrates how to build render nodes.
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*/
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#include "lib/test/run.hpp"
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#include "steam/engine/node-builder.hpp"
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#include "steam/engine/diagnostic-buffer-provider.hpp"
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#include "lib/test/diagnostic-output.hpp"
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//#include "lib/util.hpp"
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using std::string;
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namespace steam {
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namespace engine{
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namespace test {
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/***************************************************************//**
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* @test creating and configuring various kinds of Render Nodes.
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*/
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class NodeBuilder_test : public Test
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{
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virtual void
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run (Arg)
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{
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build_simpleNode();
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build_Node_fixedParam();
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build_Node_dynamicParam();
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build_connectedNodes();
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build_ParamNode();
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}
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/** @test build a simple output-only Render Node
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* @todo 12/24 ✔ define ⟶ ✔ implement
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*/
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void
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build_simpleNode()
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{
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auto fun = [](uint* buff){ *buff = LIFE_AND_UNIVERSE_4EVER; };
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ProcNode node{prepareNode("Test")
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.preparePort()
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.invoke("fun()", fun)
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.completePort()
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.build()};
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CHECK (watch(node).isSrc());
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CHECK (watch(node).ports().size() == 1);
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CHECK (LIFE_AND_UNIVERSE_4EVER == invokeRenderNode (node));
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}
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/**
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* @internal Helper for Render Node invocation
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* - use a DiagnosticBufferProvider to allocate a result buffer
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* - assuming that the Node internally does not allocate further buffers
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* - pull from Port #0 of the given node, passing the \a nomTime as argument
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* - expect the buffer to hold a single `uint` value after invocation
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*/
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uint
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invokeRenderNode (ProcNode& theNode, Time nomTime =Time::ZERO)
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{
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BufferProvider& provider = DiagnosticBufferProvider::build();
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BuffHandle buff = provider.lockBufferFor<long> (-55);
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ProcessKey key{0};
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uint port{0};
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CHECK (-55 == buff.accessAs<long>());
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// Trigger Node invocation...
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buff = theNode.pull (port, buff, nomTime, key);
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uint result = buff.accessAs<uint>();
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buff.release();
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return result;
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}
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/** @test build a Node with a fixed invocation parameter
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* @todo 12/24 ✔ define ⟶ ✔ implement
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*/
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void
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build_Node_fixedParam()
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{
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auto procFun = [](ushort param, uint* buff){ *buff = param; };
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ProcNode node{prepareNode("Test")
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.preparePort()
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.invoke("fun()", procFun)
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.setParam (LIFE_AND_UNIVERSE_4EVER)
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.completePort()
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.build()};
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CHECK (LIFE_AND_UNIVERSE_4EVER == invokeRenderNode (node));
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}
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/** @test TODO build a Node with dynamically generated parameter
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* @todo WIP 12/24 🔁 define ⟶ implement
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*/
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void
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build_Node_dynamicParam()
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{
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UNIMPLEMENTED ("build node with param-functor");
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}
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/** @test TODO build a chain with two connected Nodes
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* @todo WIP 12/24 define ⟶ implement
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*/
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void
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build_connectedNodes()
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{
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UNIMPLEMENTED ("build two linked nodes");
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}
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/** @test TODO
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* @todo WIP 12/24 define ⟶ implement
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*/
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void
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build_ParamNode()
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{
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UNIMPLEMENTED ("build ParamNode + follow-up-Node");
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}
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};
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/** Register this test class... */
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LAUNCHER (NodeBuilder_test, "unit node");
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}}} // namespace steam::engine::test
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