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TestApp1/TestApp1.cpp

         DKVertexDescriptor vertexDescriptor = VertexDescriptorForVertexAttributes(vertShaderFunction->VertexAttributes());
 
         // setup rendering pipeline state object (PSO)
-        DKRenderPipelineDescriptor pipelineDescriptor;
+        DKRenderPipelineDescriptor pipelineDescriptor = {};
         pipelineDescriptor.vertexFunction = vertShaderFunction;
         pipelineDescriptor.fragmentFunction = fragShaderFunction;
         pipelineDescriptor.colorAttachments.Resize(1);
         }
 
         // setup pipeline state object (PSO)
-        DKComputePipelineDescriptor pipelineDescriptor;
+        DKComputePipelineDescriptor pipelineDescriptor = {};
+        pipelineDescriptor.computeFunction = shaderFunction;
 
         DKComputePipelineReflection reflection;
         DKObject<DKComputePipelineState> pipelineState = device->CreateComputePipeline(pipelineDescriptor, &reflection);