_arrayLayerIndex
_arrayLayerIndex: number = -1
_colorStates
_colorStates: GPUColorTargetState[]
_depthState
_depthState: GPUColorTargetState
_generateMipmap
_generateMipmap: boolean
_renderPassDescriptor
_renderPassDescriptor: GPURenderPassDescriptor
gpuMemory
gpuMemory: number = 0
isSRGB
isSRGB: boolean = false
stateCacheID
stateCacheID: number