43 lines
No EOL
1.3 KiB
HLSL
43 lines
No EOL
1.3 KiB
HLSL
#include "../../color/space/gamma2linear.hlsl"
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#include "../../sampler.hlsl"
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/*
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contributors: Patricio Gonzalez Vivo
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description: Get material emissive property from GlslViewer's defines https://github.com/patriciogonzalezvivo/glslViewer/wiki/GlslViewer-DEFINES#material-defines
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use: float4 materialEmissive()
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options:
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- SAMPLER_FNC(TEX, UV): optional depending the target version of GLSL (texture2D(...) or texture(...))
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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_MATERIAL_EMISSIVE
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#define FNC_MATERIAL_EMISSIVE
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#ifdef MATERIAL_EMISSIVEMAP
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uniform SAMPLER_TYPE MATERIAL_EMISSIVEMAP;
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#endif
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float3 materialEmissive() {
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float3 emission = float3(0.0, 0.0, 0.0);
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#if defined(MATERIAL_EMISSIVEMAP) && defined(MODEL_VERTEX_TEXCOORD)
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float2 uv = v_texcoord.xy;
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#if defined(MATERIAL_EMISSIVEMAP_OFFSET)
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uv += (MATERIAL_EMISSIVEMAP_OFFSET).xy;
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#endif
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#if defined(MATERIAL_EMISSIVEMAP_SCALE)
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uv *= (MATERIAL_EMISSIVEMAP_SCALE).xy;
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#endif
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emission = gamma2linear( SAMPLER_FNC(MATERIAL_EMISSIVEMAP, uv) ).rgb;
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#elif defined(MATERIAL_EMISSIVE)
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emission = MATERIAL_EMISSIVE;
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#endif
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return emission;
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}
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#endif |