cleanup and refactoring

raytracer/nvpro_core/nvdx12/README.md

@@ -0,0 +1,29 @@
+## Table of Contents
+- [base_dx12.hpp](#base_dx12hpp)
+- [context_dx12.hpp](#context_dx12hpp)
+- [error_dx12.hpp](#error_dx12hpp)
+
+## base_dx12.hpp
+### class nvdx12::DeviceUtils
+
+Utility class for simple creation of pipeline states, root signatures,
+and buffers.
+### function nvdx12::transitionBarrier
+
+Short-hand function to create a transition barrier
+
+## context_dx12.hpp
+### class nvdx12::Context
+
+Container class for a basic DX12 app, consisting of a DXGI factory, a DX12
+device, and a command queue.
+### struct nvdx12::ContextCreateInfo
+
+Properties for context initialization.
+
+## error_dx12.hpp
+### function nvdx12::checkResult
+
+> Returns true on critical error result, logs errors.
+
+Use `HR_CHECK(result)` to automatically log filename/linenumber.