//
//  RendererCommon.h
//  MetalRenderer
//
//  Created by Stuart Carnie on 6/3/18.
//  Copyright © 2018 Stuart Carnie. All rights reserved.
//

#ifndef RendererCommon_h
#define RendererCommon_h

#import <Foundation/Foundation.h>

/*! @brief maximum inflight frames */
#define MAX_INFLIGHT 3

#pragma mark - Pixel Formats

typedef NS_ENUM(NSUInteger, RPixelFormat) {
    
    RPixelFormatInvalid,
    
    /* 16-bit formats */
    RPixelFormatBGRA4Unorm,
    RPixelFormatB5G6R5Unorm,
    
    RPixelFormatBGRA8Unorm,
    RPixelFormatBGRX8Unorm,
    
    RPixelFormatCount,
};

extern NSUInteger RPixelFormatToBPP(RPixelFormat format);
extern NSString *NSStringFromRPixelFormat(RPixelFormat format);

typedef NS_ENUM(NSUInteger, RTextureFilter) {
    RTextureFilterNearest,
    RTextureFilterLinear,
    
    RTextureFilterCount,
};

#endif /* RendererCommon_h */