55 lines
2.1 KiB
Objective-C
55 lines
2.1 KiB
Objective-C
//
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// SCMetalTextureResource.h
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// Snapchat
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//
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// Created by Brian Ng on 11/7/17.
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//
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#import "SCProcessingModule.h"
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#import "SCCapturerDefines.h"
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#import <Foundation/Foundation.h>
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#if !TARGET_IPHONE_SIMULATOR
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#import <Metal/Metal.h>
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#endif
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/*
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@class SCMetalTextureResource
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The SCMetalTextureResource is created by SCMetalModule and is passed to a SCMetalRenderCommand.
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This resource provides a collection of textures for rendering, where a SCMetalRenderCommand
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selects which textures it needs. Textures are lazily initialiazed to optimize performance.
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Additionally, information pertaining to depth is provided if normalizing depth is desired:
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depthRange is the range of possible depth values [depthOffset, depthOffset + depthRange],
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where depthOffset is the min depth value in the given depth map.
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NOTE: This class is NOT thread safe -- ensure any calls are made by a performer by calling
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SCAssertPerformer before actually accessing any textures
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*/
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@interface SCMetalTextureResource : NSObject
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#if !TARGET_IPHONE_SIMULATOR
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@property (nonatomic, readonly) id<MTLTexture> sourceYTexture;
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@property (nonatomic, readonly) id<MTLTexture> sourceUVTexture;
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@property (nonatomic, readonly) id<MTLTexture> destinationYTexture;
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@property (nonatomic, readonly) id<MTLTexture> destinationUVTexture;
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// Textures for SCDepthBlurMetalCommand
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@property (nonatomic, readonly) id<MTLTexture> sourceBlurredYTexture;
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@property (nonatomic, readonly) id<MTLTexture> sourceDepthTexture;
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@property (nonatomic, readonly) id<MTLDevice> device;
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#endif
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// Available depth-related auxiliary resources (when depth data is provided)
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@property (nonatomic, readonly) float depthRange;
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@property (nonatomic, readonly) float depthOffset;
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@property (nonatomic, readonly) CGFloat depthBlurForegroundThreshold;
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@property (nonatomic, readonly) SampleBufferMetadata sampleBufferMetadata;
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#if !TARGET_IPHONE_SIMULATOR
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- (instancetype)initWithRenderData:(RenderData)renderData
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textureCache:(CVMetalTextureCacheRef)textureCache
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device:(id<MTLDevice>)device;
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#endif
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@end
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