// deck.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors

export default `#version 300 es
#define SHADER_NAME column-layer-fragment-shader

precision highp float;

out vec4 fragColor;

in vec4 vColor;
#ifdef FLAT_SHADING
in vec3 cameraPosition;
in vec4 position_commonspace;
#endif

void main(void) {
  fragColor = vColor;
  // Fails to compile on some Android devices if geometry is never assigned (#8411)
  geometry.uv = vec2(0.);
#ifdef FLAT_SHADING
  if (column.extruded && !column.isStroke && !bool(picking.isActive)) {
    vec3 normal = normalize(cross(dFdx(position_commonspace.xyz), dFdy(position_commonspace.xyz)));
    fragColor.rgb = lighting_getLightColor(vColor.rgb, cameraPosition, position_commonspace.xyz, normal);
  }
#endif
  DECKGL_FILTER_COLOR(fragColor, geometry);
}
`;