Remove error about mip levels not being supported in DX12 because they are implemented.

Author: manon-traverse

lib/API/DX/Device.cpp

@@ -2407,7 +2407,7 @@ class DXDevice : public offloadtest::Device {
   llvm::Error
   createComputeCommands(Pipeline &P, SharedInvocationState &IS,
                         const ComPtr<ID3D12DescriptorHeap> &DescHeap) {
-    DXCommandBuffer &DXCB = llvm::cast<DXCommandBuffer>(*IS.CB);
+    const DXCommandBuffer &DXCB = llvm::cast<DXCommandBuffer>(*IS.CB);
 
     CD3DX12_GPU_DESCRIPTOR_HANDLE Handle;
     if (DescHeap) {
@@ -2540,7 +2540,7 @@ class DXDevice : public offloadtest::Device {
                          const ComPtr<ID3D12DescriptorHeap> &DescHeap) {
     const DXPipelineState &DXPipeline =
         llvm::cast<DXPipelineState>(*IS.Pipeline.get());
-    DXCommandBuffer &DXCB = llvm::cast<DXCommandBuffer>(*IS.CB);
+    const DXCommandBuffer &DXCB = llvm::cast<DXCommandBuffer>(*IS.CB);
 
     DXCB.CmdList->SetGraphicsRootSignature(DXPipeline.RootSig.Get());
     if (DescHeap) {

lib/Support/OffloadMigration.cpp

@@ -256,11 +256,6 @@ llvm::Error createResources(Device &Dev, Pipeline &P,
         ResBundle.push_back(std::move(RSet));
       }
     } else if (R.isTexture()) {
-      if (R.BufferPtr->OutputProps.MipLevels != 1)
-        return llvm::createStringError(std::errc::not_supported,
-                                       "Multiple mip levels are not yet "
-                                       "supported for DirectX textures.");
-
       auto FormatOrErr = toFormat(R.BufferPtr->Format, R.BufferPtr->Channels);
       if (!FormatOrErr)
         return FormatOrErr.takeError();