/*

 Copyright (C) 2015-2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Utility class for creating a render state pipeline.

 */

#import <Metal/Metal.h>

@interface MetalNBodyRenderPipeline : NSObject

// Query to determine if render pipeline state is instantiated

@property (readonly) BOOL haveDescriptor;

// Vertex function

@property (nullable) id<MTLFunction> vertex;

// Fragment function

@property (nullable) id<MTLFunction> fragment;

// Generate render pipeline state using a default system

// device, fragment and vertex stages

@property (nullable, nonatomic, setter=acquire:) id<MTLDevice> device;

// Render pipeline descriptor state

@property (nullable, readonly) id<MTLRenderPipelineState> render;

// Set blending

@property BOOL blend;

@end