Merge pull request #1765 from rextimmy/dx11_cubemap_fix

Correctly copy mipmap sub resources for DX11 cubemap.

Engine/source/gfx/D3D11/gfxD3D11Cubemap.cpp

@@ -92,7 +92,7 @@ void GFXD3D11Cubemap::initStatic(GFXTexHandle *faces)
    }
 
    U32 mipLevels = faces->getPointer()->getMipLevels();
-   if (mipLevels > 1)
+   if (mipLevels > 1 && !compressed)
       mAutoGenMips = true;
 
 	D3D11_TEXTURE2D_DESC desc;
@@ -115,12 +115,15 @@ void GFXD3D11Cubemap::initStatic(GFXTexHandle *faces)
 	{
 		AssertFatal(false, "GFXD3D11Cubemap:initStatic(GFXTexhandle *faces) - failed to create texcube texture");
 	}
-
+   
    for (U32 i = 0; i < CubeFaces; i++)
    {
       GFXD3D11TextureObject *texObj = static_cast<GFXD3D11TextureObject*>((GFXTextureObject*)faces[i]);
-      U32 subResource = D3D11CalcSubresource(0, i, mipLevels);
-      D3D11DEVICECONTEXT->CopySubresourceRegion(mTexture, subResource, 0, 0, 0, texObj->get2DTex(), 0, NULL);
+      for (U32 currentMip = 0; currentMip < mipLevels; currentMip++)
+      {
+         U32 subResource = D3D11CalcSubresource(currentMip, i, mipLevels);
+         D3D11DEVICECONTEXT->CopySubresourceRegion(mTexture, subResource, 0, 0, 0, texObj->get2DTex(), currentMip, NULL);
+      }
    }
    
 	D3D11_SHADER_RESOURCE_VIEW_DESC SMViewDesc;