diff --git a/hydra_app/input.cpp b/hydra_app/input.cpp
index 0f70f9c..7c8d949 100644
--- a/hydra_app/input.cpp
+++ b/hydra_app/input.cpp
@@ -16,9 +16,9 @@ Input::Input()
   //inLibraryPath = "tests/test_224_sphere";
   //inLibraryPath = "tests/test_224_sphere_microfacet";
   //inLibraryPath = "tests/test_pool";
-  //inLibraryPath = "/home/frol/PROG/CLSP_gitlab/database/temp";
+  //inLibraryPath = "C:/[Hydra]/pluginFiles/scenelib/";
 
-  inDevelopment = true;  ///< recompile shaders each time; note that nvidia have their own shader cache!
+  inDevelopment = false;  ///< recompile shaders each time; note that nvidia have their own shader cache!
   inDeviceId    = 0;     ///< opencl device id
   cpuFB         = true;  ///< store frame buffer on CPU. Automaticly enabled if
   enableMLT     = false; ///< if use MMLT, you MUST enable it early, when render process just started (here or via command line).
diff --git a/hydra_drv/clight.h b/hydra_drv/clight.h
index f8b17c2..b5e1d4b 100644
--- a/hydra_drv/clight.h
+++ b/hydra_drv/clight.h
@@ -306,11 +306,14 @@ static inline float3 skyLightGetIntensityTexturedENV(__global const PlainLight*
     return envColor*texColor;
 }
 
-static inline float evalMap2DPdf(const float2 texCoordT, __global const float* intervals, const int sizeX, const int sizeY)
+static inline float evalMap2DPdf(float2 texCoordT, __global const float* intervals, const int sizeX, const int sizeY)
 {
   const float fw = (float)sizeX;
   const float fh = (float)sizeY;
 
+  if (texCoordT.x < 0.0f || texCoordT.x > 1.0f) texCoordT.x -= (float)((int)(texCoordT.x));
+  if (texCoordT.y < 0.0f || texCoordT.x > 1.0f) texCoordT.y -= (float)((int)(texCoordT.y));
+
   int pixelX = (int)(fw*texCoordT.x - 0.5f);
   int pixelY = (int)(fh*texCoordT.y - 0.5f);
 
@@ -320,8 +323,8 @@ static inline float evalMap2DPdf(const float2 texCoordT, __global const float* i
   if (pixelX < 0) pixelX += sizeX;
   if (pixelY < 0) pixelY += sizeY;
 
-  if (pixelX < 0 || pixelY < 0)
-    return 1.0f;
+  //if (pixelX < 0 || pixelY < 0)
+    //return 1.0f;
 
   const int pixelOffset = pixelY*sizeX + pixelX;
   const int maxSize = sizeX*sizeY;