VVBufferCopier.h

#import <Cocoa/Cocoa.h>
#import <VVBufferPool/VVBufferPool.h>
#import <pthread.h>




extern id           _globalVVBufferCopier;





@interface VVBufferCopier : GLScene {
    pthread_mutex_t     renderLock;
    BOOL                copyToIOSurface;    //  NO by default; if NO, the copied buffer won't have an associated IOSurfaceRef
    VVBufferPixFormat   copyPixFormat;  //  VVBufferPF_BGRA by default
    BOOL                copyAndResize;  //  NO by default. if NO, copies preserve the size of the passed buffer- if NO, resizes the buffer while copying it
    NSSize              copySize;   //  only used if "copyAndResize" is YES;
}

+ (void) createGlobalVVBufferCopierWithSharedContext:(NSOpenGLContext *)c;
+ (VVBufferCopier *) globalBufferCopier;

- (VVBuffer *) copyToNewBuffer:(VVBuffer *)n;

- (BOOL) copyThisBuffer:(VVBuffer *)a toThisBuffer:(VVBuffer *)b;
- (void) sizeVariantCopyThisBuffer:(VVBuffer *)a toThisBuffer:(VVBuffer *)b;
- (void) ignoreSizeCopyThisBuffer:(VVBuffer *)a toThisBuffer:(VVBuffer *)b;

- (void) copyBlackFrameToThisBuffer:(VVBuffer *)b;
- (void) copyOpaqueBlackFrameToThisBuffer:(VVBuffer *)b;
- (void) copyRedFrameToThisBuffer:(VVBuffer *)b;

@property (assign,readwrite) BOOL copyToIOSurface;
@property (assign,readwrite) VVBufferPixFormat copyPixFormat;
@property (assign,readwrite) BOOL copyAndResize;
@property (assign,readwrite) NSSize copySize;

@end