getSampleCountRenderContext( renderContext ) {

		if ( renderContext.textures !== null ) {

			return this.getSampleCount( renderContext.sampleCount );

		}

		return this.getSampleCount( this.backend.renderer.samples );

	}
Returns the sample count of the given render context.

@param {RenderContext} renderContext - The render context.
@return {number} The sample count.