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88 lines
2.3 KiB
Text
88 lines
2.3 KiB
Text
<@include gpu/Config.slh@>
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<$VERSION_HEADER$>
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// Generated on <$_SCRIBE_DATE$>
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// forward_model.frag
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// fragment shader
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//
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// Created by Andrzej Kapolka on 10/14/13.
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// Copyright 2013 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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<! <@include ForwardBufferWrite.slh@> !>
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<@include ForwardGlobalLight.slh@>
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<$declareEvalSkyboxGlobalColor()$>
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<@include model/Material.slh@>
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<@include gpu/Transform.slh@>
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<$declareStandardCameraTransform()$>
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<@include MaterialTextures.slh@>
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<$declareMaterialTextures(ALBEDO, ROUGHNESS, _SCRIBE_NULL, _SCRIBE_NULL, EMISSIVE, _SCRIBE_NULL)$>
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in vec4 _position;
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in vec3 _normal;
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in vec3 _color;
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in vec2 _texCoord0;
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in vec2 _texCoord1;
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out vec4 _fragColor;
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void main(void) {
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Material mat = getMaterial();
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int matKey = getMaterialKey(mat);
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<$fetchMaterialTexturesCoord0(matKey, _texCoord0, albedoTex, roughnessTex, _SCRIBE_NULL, _SCRIBE_NULL, emissiveTex)$>
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<! <$fetchMaterialTexturesCoord1(matKey, _texCoord1, occlusionTex)$> !>
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float opacity = 1.0;
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<$evalMaterialOpacity(albedoTex.a, opacity, matKey, opacity)$>;
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<$discardTransparent(opacity)$>;
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vec3 albedo = getMaterialAlbedo(mat);
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<$evalMaterialAlbedo(albedoTex, albedo, matKey, albedo)$>;
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albedo *= _color;
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float metallic = getMaterialMetallic(mat);
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vec3 fresnel = vec3(0.03); // Default Di-electric fresnel value
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if (metallic <= 0.5) {
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metallic = 0.0;
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} else {
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fresnel = albedo;
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metallic = 1.0;
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}
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float roughness = getMaterialRoughness(mat);
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<$evalMaterialRoughness(roughnessTex, roughness, matKey, roughness)$>;
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vec3 emissive = getMaterialEmissive(mat);
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<$evalMaterialEmissive(emissiveTex, emissive, matKey, emissive)$>;
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vec3 fragPosition = _position.xyz;
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TransformCamera cam = getTransformCamera();
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vec3 fragNormal;
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<$transformEyeToWorldDir(cam, _normal, fragNormal)$>
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/* vec4 color = vec4(evalSkyboxGlobalColor(
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cam._viewInverse,
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1.0,
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1.0,
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fragPosition,
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fragNormal,
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albedo,
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fresnel,
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metallic,
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roughness),
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opacity);
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color.rgb += emissive * isEmissiveEnabled();
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*/
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_fragColor = vec4(albedo, opacity);
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}
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