Fully describes setup of RenderTarget.
| color | Color Buffers to set. | 
| colorLoad | Load Actions for Color Buffers. It will override any actions set on RenderBuffers themselves. | 
| colorStore | Store Actions for Color Buffers. It will override any actions set on RenderBuffers themselves. | 
| cubemapFace | Cubemap face to render to. | 
| depth | Depth Buffer to set. | 
| depthLoad | Load Action for Depth Buffer. It will override any actions set on RenderBuffer itself. | 
| depthStore | Store Actions for Depth Buffer. It will override any actions set on RenderBuffer itself. | 
| mipLevel | Mip Level to render to. | 
| RenderTargetSetup | Constructs RenderTargetSetup. |