Add cvconst.h / cvinfo.h from microsoft-pdb repository for SPDB decoding

* This will be used to replace/improve the old reverse-engineered decoding.

docs/credits_acknowledgements.rst

@@ -104,6 +104,10 @@ The following libraries and components are incorporated into RenderDoc, listed h
 
   Used to connect securely to RenderDoc's servers for update checks and bug reports.
 
+* `Microsoft PDB Information <https://github.com/Microsoft/microsoft-pdb/>`_ - Copyright (c) 2015 Microsoft Corporation. Distributed under the MIT License.
+
+  Used to recover debug information from DXBC shaders on D3D11/D3D12.
+
 Thanks
 ------
 

renderdoc/driver/shaders/dxbc/renderdoc_dxbc.vcxproj

@@ -117,6 +117,8 @@
     <ClInclude Include="dxbc_reflect.h" />
     <ClInclude Include="dxbc_sdbg.h" />
     <ClInclude Include="dxbc_spdb.h" />
+    <ClInclude Include="official\cvconst.h" />
+    <ClInclude Include="official\cvinfo.h" />
     <ClInclude Include="precompiled.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

renderdoc/driver/shaders/dxbc/renderdoc_dxbc.vcxproj.filters

@@ -23,10 +23,19 @@
       <Filter>PCH</Filter>
     </ClInclude>
     <ClInclude Include="dxbc_reflect.h" />
+    <ClInclude Include="official\cvconst.h">
+      <Filter>official</Filter>
+    </ClInclude>
+    <ClInclude Include="official\cvinfo.h">
+      <Filter>official</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="PCH">
       <UniqueIdentifier>{d5365360-5495-44cc-9598-d66610687125}</UniqueIdentifier>
     </Filter>
+    <Filter Include="official">
+      <UniqueIdentifier>{50b7a8d7-4c3c-46be-bbe3-081d29851267}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
 </Project>