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21 lines
539 B
Metal
21 lines
539 B
Metal
//
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// AlphaFrameFilter.metal
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// MyTransparentVideoExample
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//
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// Created by Quentin Fasquel on 22/03/2020.
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// Copyright © 2020 Quentin Fasquel. All rights reserved.
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//
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#include <metal_stdlib>
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#include <CoreImage/CoreImage.h> // includes CIKernelMetalLib.h
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extern "C" {
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namespace coreimage {
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float4 alphaFrame(sampler source, sampler mask) {
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float4 color = source.sample(source.coord());
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float opacity = mask.sample(mask.coord()).r;
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return float4(color.rgb, opacity);
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}
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}
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}
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