OpenSpace/modules/globebrowsing/shaders/geojson_points_fs.glsl

/*****************************************************************************************
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 * OpenSpace                                                                             *
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 * Copyright (c) 2014-2025                                                               *
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#include "fragment.glsl"

flat in float vs_screenSpaceDepth;
in vec4 vs_positionViewSpace;
flat in vec3 vs_normal; // TODO: not needed for shading, remove somehow
in vec2 texCoord;

uniform sampler2D pointTexture;
uniform bool hasTexture;
uniform vec3 color;
uniform float opacity;

// Can be used to preserve the whites in a point texture
bool preserveWhite = true;

Fragment getFragment() {
  Fragment frag;

  if (hasTexture) {
    frag.color = texture(pointTexture, texCoord);
    if (!preserveWhite || frag.color.r * frag.color.g * frag.color.b < 0.95) {
      frag.color.rgb *= color;
    }
    frag.color.a *= opacity;
  }
  else {
    frag.color = vec4(color * vs_normal, opacity);
  }

  if (frag.color.a < 0.01) {
    discard;
  }

  frag.depth = vs_screenSpaceDepth;
  frag.gPosition = vs_positionViewSpace;
  frag.gNormal = vec4(0.0, 0.0, 0.0, 1.0);
  return frag;
}