shader control

tests/RenderCadenceCompositorHttpControlServerTests.cpp

@@ -147,6 +147,29 @@ void TestLayerPostEndpointsUseCallbacks()
 	Expect(removeResponse.body.find("Unknown layer id.") != std::string::npos, "remove layer callback returns diagnostic");
 }
 
+void TestGenericPostCallbackHandlesControlRoutes()
+{
+	using namespace RenderCadenceCompositor;
+
+	HttpControlServer server;
+	HttpControlServerCallbacks callbacks;
+	callbacks.executePost = [](const std::string& path, const std::string& body) {
+		ExpectEquals(path, "/api/layers/set-bypass", "generic callback receives route path");
+		Expect(body.find("runtime-layer-1") != std::string::npos, "generic callback receives request body");
+		return ControlActionResult{ true, std::string() };
+	};
+	server.SetCallbacksForTest(callbacks);
+
+	HttpControlServer::HttpRequest request;
+	request.method = "POST";
+	request.path = "/api/layers/set-bypass";
+	request.body = "{\"layerId\":\"runtime-layer-1\",\"bypass\":true}";
+
+	const HttpControlServer::HttpResponse response = server.RouteRequestForTest(request);
+	ExpectEquals(response.status, "200 OK", "generic control callback success returns 200");
+	Expect(response.body.find("\"ok\":true") != std::string::npos, "generic control callback returns action success");
+}
+
 void TestUnknownEndpointReturns404()
 {
 	using namespace RenderCadenceCompositor;
@@ -169,6 +192,7 @@ int main()
 	TestRootServesUiIndex();
 	TestKnownPostEndpointReturnsActionError();
 	TestLayerPostEndpointsUseCallbacks();
+	TestGenericPostCallbackHandlesControlRoutes();
 	TestUnknownEndpointReturns404();
 
 	if (gFailures != 0)

tests/RenderCadenceCompositorRuntimeLayerModelTests.cpp

@@ -143,6 +143,49 @@ void TestAddAndRemoveLayers()
 
 	std::filesystem::remove_all(root);
 }
+
+void TestLayerControlsUpdateDisplayAndRenderModels()
+{
+	std::filesystem::path root;
+	RenderCadenceCompositor::SupportedShaderCatalog catalog = MakeCatalog(root);
+
+	RenderCadenceCompositor::RuntimeLayerModel model;
+	std::string error;
+	std::string firstLayerId;
+	std::string secondLayerId;
+	Expect(model.AddLayer(catalog, "solid", firstLayerId, error), "first control layer can be added");
+	Expect(model.AddLayer(catalog, "solid", secondLayerId, error), "second control layer can be added");
+
+	Expect(model.SetLayerBypass(firstLayerId, true, error), "bypass can be set");
+	Expect(model.ReorderLayer(firstLayerId, 1, error), "layer can be reordered");
+	RenderCadenceCompositor::RuntimeLayerModelSnapshot snapshot = model.Snapshot();
+	Expect(snapshot.displayLayers[1].id == firstLayerId, "reordered layer moves to requested index");
+	Expect(snapshot.displayLayers[1].bypass, "bypass state is visible in read model");
+
+	JsonValue gainValue(0.75);
+	Expect(model.UpdateParameter(firstLayerId, "gain", gainValue, error), "parameter value can be updated");
+	snapshot = model.Snapshot();
+	Expect(snapshot.displayLayers[1].parameterValues.at("gain").numberValues.front() == 0.75, "updated parameter value is visible");
+
+	RuntimeShaderArtifact artifact;
+	artifact.layerId = firstLayerId;
+	artifact.shaderId = "solid";
+	artifact.displayName = "Solid";
+	artifact.fragmentShaderSource = "void main(){}";
+	artifact.parameterDefinitions = snapshot.displayLayers[1].parameterDefinitions;
+	artifact.message = "build ready";
+	Expect(model.MarkBuildReady(artifact, error), "ready artifact keeps layer parameter state");
+	snapshot = model.Snapshot();
+	Expect(snapshot.renderLayers.size() == 1, "ready layer produces render model");
+	Expect(snapshot.renderLayers[0].bypass, "render model carries bypass state");
+	Expect(snapshot.renderLayers[0].artifact.parameterValues.at("gain").numberValues.front() == 0.75, "render artifact carries updated parameter value");
+
+	Expect(model.ResetParameters(firstLayerId, error), "parameters can reset to defaults");
+	snapshot = model.Snapshot();
+	Expect(snapshot.displayLayers[1].parameterValues.at("gain").numberValues.front() == 0.5, "reset restores default value");
+
+	std::filesystem::remove_all(root);
+}
 }
 
 int main()
@@ -151,6 +194,7 @@ int main()
 	TestRejectsUnsupportedStartupShader();
 	TestBuildFailureStaysDisplaySide();
 	TestAddAndRemoveLayers();
+	TestLayerControlsUpdateDisplayAndRenderModels();
 
 	if (gFailures != 0)
 	{