message: Test dimension fetching in D3D12 shader debugging with NULL desc struct
diff: @@ -737,7 +737,10 @@ float4 main(v2f IN, uint samp : SV_SampleIndex) : SV_Target0
  MakeSRV(srvBuf).Format(DXGI_FORMAT_R32_FLOAT).CreateGPU(0);
  ID3D12ResourcePtr testTex = MakeTexture(DXGI_FORMAT_R32G32B32A32_FLOAT, 16, 16).Mips(3);
  - MakeSRV(testTex).NumMips(3).CreateGPU(3);
  +
  + D3D12_CPU_DESCRIPTOR_HANDLE cpu = m_CBVUAVSRV->GetCPUDescriptorHandleForHeapStart();
  + cpu.ptr += dev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV) * 3;
  + dev->CreateShaderResourceView(testTex, NULL, cpu);
  ID3D12ResourcePtr rawBuf = MakeBuffer().Data(testdata);
  MakeSRV(rawBuf)
  