@interface PXGExposureBlurKernel : PXGKernel @property (nonatomic) double radius; @property (nonatomic) double exposure; + (id)_exposurePipelineStateForDevice:(id)a0; - (void)_encodeExposure:(float)a0 texture:(id)a1 toCommandBuffer:(id)a2; - (void)encodeToCommandBuffer:(id)a0 sourceTexture:(id)a1 destinationTexture:(id)a2 targetScale:(double)a3; - (void)preloadWithDevice:(id)a0; @end