34 lines
859 B
Plaintext
34 lines
859 B
Plaintext
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#[compute]
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#version 450
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layout( local_size_x = 8, local_size_y = 8, local_size_z = 1 ) in;
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layout( rgba16, set = 0, binding = 0 )
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uniform restrict readonly image2D inputImage;
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layout( rgba16, set = 1, binding = 0 )
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uniform restrict writeonly image2D outputImage;
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layout( push_constant, std430 )
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uniform Params
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{
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float alphaTreshold;
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} params;
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void main()
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{
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ivec2 currentPosition = ivec2( gl_GlobalInvocationID.xy );
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vec4 currentPixel = imageLoad( inputImage, currentPosition );
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if ( currentPixel.a < params.alphaTreshold )
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{
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vec4 packedZero = vec4( unpackUnorm2x16( 0 ), unpackUnorm2x16( 0 ) );
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imageStore( outputImage, currentPosition, packedZero );
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return;
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}
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vec4 packedPosition = vec4( unpackUnorm2x16( currentPosition.x ), unpackUnorm2x16( currentPosition.y ) );
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imageStore( outputImage, currentPosition, packedPosition);
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}
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