source/blender/draw/engines/eevee/shaders/lightprobe_planar_display_frag.glsl


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#pragma BLENDER_REQUIRE(common_view_lib.glsl)

uniform sampler2DArray probePlanars;

in vec3 worldPosition;
flat in int probeIdx;

out vec4 FragColor;

void main()
{
  vec4 refco = ViewProjectionMatrix * vec4(worldPosition, 1.0);
  refco.xy /= refco.w;
  FragColor = vec4(
      textureLod(probePlanars, vec3(refco.xy * vec2(-0.5, 0.5) + 0.5, float(probeIdx)), 0.0).rgb,
      1.0);
}