overte-JulianGro/libraries/render-utils/src/model_translucent.slf

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<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// model_translucent.frag
// fragment shader
//
// Created by Sam Gateau on 2/15/2016.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
<@include model/Material.slh@>
<@include DeferredGlobalLight.slh@>
<$declareEvalGlobalLightingAlphaBlended()$>
<@include gpu/Transform.slh@>
<$declareStandardCameraTransform()$>
<@include MaterialTextures.slh@>
<$declareMaterialTextures(ALBEDO, ROUGHNESS, _SCRIBE_NULL, _SCRIBE_NULL, EMISSIVE, OCCLUSION)$>
in vec2 _texCoord0;
in vec2 _texCoord1;
in vec4 _position;
in vec3 _normal;
in vec3 _color;
in float _alpha;
out vec4 _fragColor;
void main(void) {
Material mat = getMaterial();
int matKey = getMaterialKey(mat);
<$fetchMaterialTexturesCoord0(matKey, _texCoord0, albedoTex, roughnessTex, _SCRIBE_NULL, _SCRIBE_NULL, emissiveTex)$>
<$fetchMaterialTexturesCoord1(matKey, _texCoord1, occlusionTex)$>
float opacity = getMaterialOpacity(mat) * _alpha;
<$evalMaterialOpacity(albedoTex.a, opacity, matKey, opacity)$>;
vec3 albedo = getMaterialAlbedo(mat);
<$evalMaterialAlbedo(albedoTex, albedo, matKey, albedo)$>;
albedo *= _color;
float roughness = getMaterialRoughness(mat);
<$evalMaterialRoughness(roughnessTex, roughness, matKey, roughness)$>;
float metallic = getMaterialMetallic(mat);
vec3 fresnel = vec3(0.03); // Default Di-electric fresnel value
if (metallic <= 0.5) {
metallic = 0.0;
} else {
fresnel = albedo;
metallic = 1.0;
}
vec3 emissive = getMaterialEmissive(mat);
<$evalMaterialEmissive(emissiveTex, emissive, matKey, emissive)$>;
vec3 fragPosition = _position.xyz;
vec3 fragNormal = normalize(_normal);
TransformCamera cam = getTransformCamera();
_fragColor = vec4(evalGlobalLightingAlphaBlended(
cam._viewInverse,
1.0,
occlusionTex,
fragPosition,
fragNormal,
albedo,
fresnel,
metallic,
emissive,
roughness, opacity),
opacity);
}