@class PTMetalContext; @protocol MTLComputePipelineState; @interface PTEffectReactionBackgroundDimming : NSObject { PTMetalContext *_metalContext; id<MTLComputePipelineState> _backgroundDimAndConvertYUVtoRGB[9]; } - (void).cxx_destruct; - (id)initWithMetalContext:(id)a0; - (int)backgroundDimAndConvertRGBLinearFromPTTexture:(id)a0 inPTTexture:(id)a1 inCenteredDisparity:(id)a2 outRGBA:(id)a3 dimmingFactor:(float)a4; @end