overte-HifiExperiments/libraries/render-utils/src/simple.slf
2018-08-07 09:28:40 -07:00

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<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// simple.frag
// fragment shader
//
// Created by Andrzej Kapolka on 9/15/14.
// 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 DeferredBufferWrite.slh@>
<@include render-utils/ShaderConstants.h@>
// the interpolated normal
layout(location=RENDER_UTILS_ATTR_NORMAL_WS) in vec3 _normalWS;
layout(location=RENDER_UTILS_ATTR_NORMAL_MS) in vec3 _normalMS;
layout(location=RENDER_UTILS_ATTR_COLOR) in vec4 _color;
layout(location=RENDER_UTILS_ATTR_TEXCOORD01) in vec4 _texCoord01;
#define _texCoord0 _texCoord01.xy
#define _texCoord1 _texCoord01.zw
layout(location=RENDER_UTILS_ATTR_POSITION_MS) in vec4 _positionMS;
layout(location=RENDER_UTILS_ATTR_POSITION_ES) in vec4 _positionES;
// For retro-compatibility
#define _normal _normalWS
#define _modelNormal _normalMS
#define _position _positionMS
#define _eyePosition _positionES
<@include procedural/ProceduralCommon.slh@>
#line 1001
//PROCEDURAL_BLOCK
#line 2030
void main(void) {
vec3 normal = normalize(_normalWS.xyz);
vec3 diffuse = _color.rgb;
vec3 specular = DEFAULT_SPECULAR;
float shininess = DEFAULT_SHININESS;
float emissiveAmount = 0.0;
#ifdef PROCEDURAL
#ifdef PROCEDURAL_V1
diffuse = getProceduralColor().rgb;
// Procedural Shaders are expected to be Gamma corrected so let's bring back the RGB in linear space for the rest of the pipeline
//diffuse = pow(diffuse, vec3(2.2));
emissiveAmount = 1.0;
#else
emissiveAmount = getProceduralColors(diffuse, specular, shininess);
#endif
#endif
if (emissiveAmount > 0.0) {
packDeferredFragmentLightmap(
normal,
1.0,
diffuse,
max(0.0, 1.0 - shininess / 128.0),
DEFAULT_METALLIC,
specular,
vec3(clamp(emissiveAmount, 0.0, 1.0)));
} else {
packDeferredFragment(
normal,
1.0,
diffuse,
max(0.0, 1.0 - shininess / 128.0),
length(specular),
DEFAULT_EMISSIVE,
DEFAULT_OCCLUSION,
DEFAULT_SCATTERING);
}
}