Struct that contains all parameters required to create a ProceduralTextureStack.
| MaxNumLayers | Internal limit of maximum number of layers. |
| MaxRequestsPerFrameSupported | Internal limit on maximum number of requests per frame. |
| height | Height of the virtual UV space the stack has. |
| layers | The layers this stack contains. |
| maxActiveRequests | How many request do you plan on processing each frame. |
| tilesize | Size of a single tile inside the stack. |
| width | Width of the virtual UV space the stack has. |