RenderTargetCube and switch fullscreen

[Alkher]

Maybe linked to this ?

Is anyone know how to implement ImportanceSampling to the cubemap?

In XNA there are methods: TextureCube.SetData(CubeMapFace cubeMapFace, int level, Nullable<Rectangle> rect, T[] data, int startIndex, int elementCount) (ref: https://msdn.microsoft.com/en-us/library/ff434428.aspx) and TextureCube.GetData(CubeMapFace cubeMapFace, int level, Nullable<Rectangle> rect, T[] data, int startIndex, int elementCount) (ref: https://msdn.microsoft.com/en-us/library/bb197085.aspx). There you can specify the mipmap level and copy the mipmap texture data to the cubemap, it…