1 #ifndef MTLTexturePool_h_Included

     2 #define MTLTexturePool_h_Included

     3 #import <Metal/Metal.h>

     4 

     5 @interface MTLTexturePoolItem : NSObject

     6 {

     7 @private

     8 

     9 id<MTLTexture> texture;

    10 bool isBusy;

    11 }

    12 

    13 @property (readwrite, retain) id<MTLTexture> texture;

    14 @property (readwrite, assign) bool isBusy;

    15 

    16 - (id) initWithTexture:(id<MTLTexture>)tex;

    17 @end

    18 

    19 // NOTE: owns all MTLTexture objects

    20 @interface MTLTexturePool : NSObject

    21 {

    22 @private

    23 

    24 id<MTLDevice> device;

    25 NSMutableArray<MTLTexturePoolItem*> * pool;

    26 }

    27 

    28 @property (readwrite, assign) id<MTLDevice> device;

    29 @property (readwrite, retain) NSMutableArray<MTLTexturePoolItem*> * pool;

    30 

    31 - (id) initWithDevice:(id<MTLDevice>)device;

    32 - (id<MTLTexture>) getTexture:(int)width height:(int)height format:(MTLPixelFormat)format;

    33 - (void) markTextureFree:(id<MTLTexture>)texture;

    34 - (void) markAllTexturesFree;

    35 @end

    36 

    37 #endif /* MTLTexturePool_h_Included */