74 lines
1.5 KiB
Plaintext
74 lines
1.5 KiB
Plaintext
#import "mediapipe/gpu/metal_shared_resources.h"
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@interface MPPMetalSharedResources ()
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@end
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@implementation MPPMetalSharedResources {
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}
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@synthesize mtlDevice = _mtlDevice;
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@synthesize mtlCommandQueue = _mtlCommandQueue;
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#if COREVIDEO_SUPPORTS_METAL
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@synthesize mtlTextureCache = _mtlTextureCache;
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#endif
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- (instancetype)init {
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self = [super init];
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if (self) {
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}
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return self;
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}
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- (void)dealloc {
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#if COREVIDEO_SUPPORTS_METAL
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if (_mtlTextureCache) {
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CFRelease(_mtlTextureCache);
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_mtlTextureCache = NULL;
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}
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#endif
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}
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- (id<MTLDevice>)mtlDevice {
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@synchronized(self) {
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if (!_mtlDevice) {
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_mtlDevice = MTLCreateSystemDefaultDevice();
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}
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}
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return _mtlDevice;
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}
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- (id<MTLCommandQueue>)mtlCommandQueue {
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@synchronized(self) {
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if (!_mtlCommandQueue) {
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_mtlCommandQueue = [self.mtlDevice newCommandQueue];
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}
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}
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return _mtlCommandQueue;
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}
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#if COREVIDEO_SUPPORTS_METAL
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- (CVMetalTextureCacheRef)mtlTextureCache {
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@synchronized(self) {
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if (!_mtlTextureCache) {
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CVReturn __unused err =
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CVMetalTextureCacheCreate(NULL, NULL, self.mtlDevice, NULL, &_mtlTextureCache);
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NSAssert(err == kCVReturnSuccess, @"Error at CVMetalTextureCacheCreate %d ; device %@", err,
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self.mtlDevice);
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// TODO: register and flush metal caches too.
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}
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}
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return _mtlTextureCache;
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}
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#endif
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@end
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namespace mediapipe {
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MetalSharedResources::MetalSharedResources() {
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resources_ = [[MPPMetalSharedResources alloc] init];
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}
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MetalSharedResources::~MetalSharedResources() {}
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} // namespace mediapipe
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