Add DXCompiler

[Perksey]

DXCompiler is a (relatively) new library for compiling HLSL into DXIL, to then be used by DirectX. It can also compile HLSL into SPIR-V, which can then be compiled into a variety of other shading languages.

My proposal is that the SharpDX team introduces this package to the SharpDX stack, as there currently is no other C# bindings library for DXCompiler.

[Perksey]

(dxcompiler.dll is included with the Windows SDKs, fyi)

[amerkoleci]

I have dxc compiler in my game framework https://github.com/amerkoleci/vortice/blob/master/src/assets/Vortice.Assets/Graphics/ShaderCompiler.cs

[Perksey]

Oh awesome! Seeing as it's MIT, is it alright if I use it in my project? (having retained the copyright info of course)

[amerkoleci]

Of course, just keep the license head or clarify the usage, for me is fine :)

[Perksey]

Awesome, I'll take a few snippets but I'll probably end up porting all of the native interop to AdvancedDLSupport.