MicrosoftDocs-Samples: Merge pull request #727 from TheRaddestBro/dynamicdescriptorheap_unin…

…itialized_data

[Bug] Fixing a bit of uninitialized data in the DynamicDescriptorHeap class.

Direct3D 12 mesh shader samples

Merge pull request #704 from kevgee/master

Changes to select the correct GPU (most powerful \ capable) in a multi-GPU configuration such as laptops

Direct3D 12 linked GPU sample

Merge pull request #693 from ChuckM2/feature/chuckm/DX12

D3D12LinkedGpus sample build fix.

Direct3D 12 raytracing samples

286388

Fix d3dx12.h readme formatting

Direct3D 12 mesh shader samples

286387

Fix d3dx12.h readme formatting

Direct3D 12 variable-rate shading sample

286386

Fix d3dx12.h readme formatting

Direct3D 12 variable-rate shading sample

286385

Fix d3dx12.h readme formatting

Direct3D 12 mesh shader samples

Merge pull request #683 from robbiesri/gh-652-mesh-shaders-buildbuild

Fix compile-time errors in D3D12MeshShaders samples (error C2102: '&' requires l-value)

Direct3D 12 raytracing samples

Merge pull request #676 from sherief/master

Fixed the DXR samples so they can run on (I'm wheezing) Surface Book 3.

Direct3D 12 variable-rate shading sample

Merge pull request #673 from gongminmin/RemoveEmpty

Remove nonsense vertexData.empty() calls