19 lines
No EOL
709 B
HLSL
19 lines
No EOL
709 B
HLSL
#include "../sampler.hlsl"
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/*
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contributors: Patricio Gonzalez Vivo
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description: turns alpha to zero if it's outside the texture normalize coordinates
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use: <float4> sampleZero(<SAMPLER_TYPE> tex, <float2> st);
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options:
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- SAMPLER_FNC(TEX, UV)
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license:
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
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*/
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#ifndef FNC_SAMPLEZERO
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#define FNC_SAMPLEZERO
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float4 sampleZero(SAMPLER_TYPE tex, float2 st) {
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return SAMPLER_FNC( tex, st ) * float4(1.0,1.0,1.0, (st.x <= 0.0 || st.x >= 1.0 || st.y <= 0.0 || st.y >= 1.0)? 0.0 : 1.0);
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}
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#endif |