source/blender/draw/engines/workbench/shaders/workbench_shadow_debug_frag.glsl


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out vec4 fragColor;

void main()
{
  const float intensity = 0.25;
#ifdef SHADOW_PASS
  fragColor = vec4(
      (gl_FrontFacing) ? vec3(intensity, -intensity, 0.0) : vec3(-intensity, intensity, 0.0), 1.0);
#else
  fragColor = vec4((gl_FrontFacing) ? vec3(intensity, intensity, -intensity) :
                                      vec3(-intensity, -intensity, intensity),
                   1.0);
#endif
}