overte-lubosz/libraries/render-utils/src/sdf_text3D.slf
2019-07-30 09:59:45 -07:00

106 lines
3.2 KiB
Text

<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// <$_SCRIBE_FILENAME$>
// Generated on <$_SCRIBE_DATE$>
//
// Created by Bradley Austin Davis on 2015-02-04
// Based on fragment shader code from
// https://github.com/paulhoux/Cinder-Samples/blob/master/TextRendering/include/text/Text.cpp
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
<@if HIFI_USE_TRANSLUCENT or HIFI_USE_FORWARD@>
<@include DefaultMaterials.slh@>
<@include GlobalLight.slh@>
<@if HIFI_USE_TRANSLUCENT@>
<$declareEvalGlobalLightingAlphaBlended()$>
<@else@>
<$declareEvalSkyboxGlobalColor(_SCRIBE_NULL, HIFI_USE_FORWARD)$>
<@endif@>
<@include gpu/Transform.slh@>
<$declareStandardCameraTransform()$>
layout(location=0) out vec4 _fragColor0;
<@else@>
<@include DeferredBufferWrite.slh@>
<@endif@>
<@include render-utils/ShaderConstants.h@>
<@include sdf_text3D.slh@>
<$declareEvalSDFSuperSampled()$>
<@if HIFI_USE_TRANSLUCENT or HIFI_USE_FORWARD@>
layout(location=RENDER_UTILS_ATTR_POSITION_ES) in vec4 _positionES;
<@endif@>
layout(location=RENDER_UTILS_ATTR_NORMAL_WS) in vec3 _normalWS;
layout(location=RENDER_UTILS_ATTR_TEXCOORD01) in vec4 _texCoord01;
#define _texCoord0 _texCoord01.xy
#define _texCoord1 _texCoord01.zw
layout(location=RENDER_UTILS_ATTR_FADE1) flat in vec4 _glyphBounds; // we're reusing the fade texcoord locations here
void main() {
vec4 color = evalSDFSuperSampled(_texCoord0, _glyphBounds);
<@if HIFI_USE_TRANSLUCENT or HIFI_USE_FORWARD@>
color.a *= params.color.a;
if (color.a <= 0.0) {
discard;
}
<@endif@>
<@if HIFI_USE_UNLIT@>
<@if HIFI_USE_TRANSLUCENT or HIFI_USE_FORWARD@>
_fragColor0 = vec4(color.rgb * isUnlitEnabled(), color.a);
<@else@>
packDeferredFragmentUnlit(
normalize(_normalWS),
color.a,
color.rgb);
<@endif@>
<@else@>
<@if HIFI_USE_TRANSLUCENT or HIFI_USE_FORWARD@>
TransformCamera cam = getTransformCamera();
vec3 fragPosition = _positionES.xyz;
<@if HIFI_USE_TRANSLUCENT@>
_fragColor0 = vec4(evalGlobalLightingAlphaBlended(
cam._viewInverse,
1.0,
DEFAULT_OCCLUSION,
fragPosition,
normalize(_normalWS),
color.rgb,
DEFAULT_FRESNEL,
DEFAULT_METALLIC,
DEFAULT_EMISSIVE,
DEFAULT_ROUGHNESS, color.a),
color.a);
<@else@>
_fragColor0 = vec4(evalSkyboxGlobalColor(
cam._viewInverse,
1.0,
DEFAULT_OCCLUSION,
fragPosition,
normalize(_normalWS),
color.rgb,
DEFAULT_FRESNEL,
DEFAULT_METALLIC,
DEFAULT_ROUGHNESS),
color.a);
<@endif@>
<@else@>
packDeferredFragment(
normalize(_normalWS),
color.a,
color.rgb,
DEFAULT_ROUGHNESS,
DEFAULT_METALLIC,
DEFAULT_EMISSIVE,
DEFAULT_OCCLUSION,
DEFAULT_SCATTERING);
<@endif@>
<@endif@>
}