<@include gpu/Config.slh@><$VERSION_HEADER$>//  <$_SCRIBE_FILENAME$>//  Generated on <$_SCRIBE_DATE$>////  Created by Zach Pomerantz on 2/16/2016.//  Copyright 2016 High Fidelity, Inc.//  Copyright 2024 Overte e.V.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// <@include gpu/ShaderConstants.h@><@include gpu/Paint.slh@> <@if not HIFI_USE_FORWARD@>    <@include DeferredBufferWrite.slh@>    INPUT(RENDER_UTILS_ATTR_PREV_POSITION_CS, vec4, _prevPositionCS);<@else@>    OUTPUT(0, vec4, _fragColor0);<@endif@> struct Grid {    vec4 period;    vec4 offset;    vec4 edge;}; UNIFORM_BUFFER(0, gridBuffer) {  Grid grid; }; INPUT(GPU_ATTR_TEXCOORD0, vec2, varTexCoord0);INPUT(GPU_ATTR_TEXCOORD1, vec2, varTexCoord1);INPUT(GPU_ATTR_COLOR, vec4, varColor);  void main(void) {    float gridLine = mix(paintGridMajorMinor(varTexCoord0, grid.offset, grid.period, grid.edge),                      paintGrid(varTexCoord0, grid.offset.xy, grid.period.xy, grid.edge.xy),                      float(grid.edge.z == 0.0));     // TODO: this is temporary until Grid can get an    // entity property for toggling the radius fade<@if HIFI_USE_TRANSLUCENT@>    const float SQRT_2 = 1.4142135623730951;     // multiply by sqrt(2) to hide the chunk pop-in on the corners    float fade = clamp(1.0 - (length(varTexCoord1) * SQRT_2), 0.0, 1.0);    float gridWeight = gridLine * fade;<@else@>    float gridWeight = gridLine;<@endif@>     if (gridWeight <= 0.0) { discard; }     vec4 color = varColor;    color.a *= gridWeight; <@if not HIFI_USE_FORWARD@>    <@if not HIFI_USE_TRANSLUCENT@>        vec3 NORMAL = vec3(1.0, 0.0, 0.0);        packDeferredFragmentUnlit(_prevPositionCS, NORMAL, 1.0, color.rgb);    <@else@>        packDeferredFragmentTranslucentUnlit(color.a, color.rgb);    <@endif@><@else@>    _fragColor0 = color;<@endif@>}