CSM_pixel_shader.hlsl

  if (depthTest < Distances.x)
  {
      float pixelDepth = IN.ShadowTextureCoordinate0.z;
      float shadow = ShadowMap0.SampleCmpLevelZero(PcfShadowMapSampler, IN.ShadowTextureCoordinate0.xy, pixelDepth).x; 
      
      if (visualizeCascades)
          diffuse = shadow * float3(0.4f, 0.0f, 0.0f);
      else diffuse*=shadow;
  }
  
  else if (depthTest < Distances.y)
  {
      float pixelDepth = IN.ShadowTextureCoordinate1.z;
      float shadow = ShadowMap1.SampleCmpLevelZero(PcfShadowMapSampler, IN.ShadowTextureCoordinate1.xy, pixelDepth).x;
      
      if (visualizeCascades)
          diffuse = shadow * float3(0.2f, 0.4f, 0.0f);
      else diffuse *= shadow;
  }
  
  else if (depthTest < Distances.z)
  {
      float pixelDepth = IN.ShadowTextureCoordinate2.z;
      float shadow = ShadowMap2.SampleCmpLevelZero(PcfShadowMapSampler, IN.ShadowTextureCoordinate2.xy, pixelDepth).x;
      
      if (visualizeCascades)
          diffuse = shadow * float3(0.1f, 0.0f, 0.4f);
      else diffuse *= shadow;
  }