diff --git a/toonz/sources/stdfx/iwa_bokeh_advancedfx.cpp b/toonz/sources/stdfx/iwa_bokeh_advancedfx.cpp
index 5ff077d..7fd6e43 100644
--- a/toonz/sources/stdfx/iwa_bokeh_advancedfx.cpp
+++ b/toonz/sources/stdfx/iwa_bokeh_advancedfx.cpp
@@ -232,11 +232,12 @@ void Iwa_BokehAdvancedFx::doCompute(TTile& tile, double frame,
 
   // compute the input tiles
   QMap<int, TTile*> sourceTiles;
+  TRenderSettings infoOnInput(settings);
+  infoOnInput.m_bpp = 64;
   for (auto index : sourceIndices) {
     TTile* layerTile = new TTile();
     m_layerParams[index].m_source->allocateAndCompute(
-        *layerTile, _rectOut.getP00(), dimOut, tile.getRaster(), frame,
-        settings);
+        *layerTile, _rectOut.getP00(), dimOut, 0, frame, infoOnInput);
     sourceTiles[index] = layerTile;
   }
 
diff --git a/toonz/sources/stdfx/iwa_bokehfx.cpp b/toonz/sources/stdfx/iwa_bokehfx.cpp
index c961699..79848ba 100644
--- a/toonz/sources/stdfx/iwa_bokehfx.cpp
+++ b/toonz/sources/stdfx/iwa_bokehfx.cpp
@@ -136,11 +136,12 @@ void Iwa_BokehFx::doCompute(TTile& tile, double frame,
   //----------------------------
   // Compute the input tiles first
   QMap<int, TTile*> sourceTiles;
+  TRenderSettings infoOnInput(settings);
+  infoOnInput.m_bpp = 64;
   for (auto index : sourceIndices) {
     TTile* layerTile = new TTile();
     m_layerParams[index].m_source->allocateAndCompute(
-        *layerTile, _rectOut.getP00(), dimOut, tile.getRaster(), frame,
-        settings);
+        *layerTile, _rectOut.getP00(), dimOut, 0, frame, infoOnInput);
     sourceTiles[index] = layerTile;
   }
 
diff --git a/toonz/sources/stdfx/iwa_bokehreffx.cpp b/toonz/sources/stdfx/iwa_bokehreffx.cpp
index 5042429..c8971f7 100644
--- a/toonz/sources/stdfx/iwa_bokehreffx.cpp
+++ b/toonz/sources/stdfx/iwa_bokehreffx.cpp
@@ -148,11 +148,13 @@ void Iwa_BokehRefFx::doCompute(TTile& tile, double frame,
   // rasterList.append(allocateRasterAndLock<double4>(&source_buff, dimOut));
 
   LayerValue layerValue;
+  TRenderSettings infoOnInput(settings);
+  infoOnInput.m_bpp = 64;
   // source tile is used only in this focus.
   // normalized source image data is stored in source_buff.
   layerValue.sourceTile = new TTile();
   m_source->allocateAndCompute(*layerValue.sourceTile, rectOut.getP00(), dimOut,
-                               tile.getRaster(), frame, settings);
+                               0, frame, infoOnInput);
 
   // - - - iris image - - -
   // Get the original size of Iris image