diff --git a/chip/pm4_me.pas b/chip/pm4_me.pas
index a6f4fa49..14f1eec0 100644
--- a/chip/pm4_me.pas
+++ b/chip/pm4_me.pas
@@ -779,27 +779,33 @@ begin
 
    Assert(resource_instance<>nil);
 
-   ri:=TvImage2(resource_instance^.resource^.rimage);
-
-   if (ri=nil) then
+   if not resource_instance^.prepared then
    begin
-    ri:=FetchImage(ctx.Cmd,
-                   FImage,
-                   resource_instance^.curr.img_usage
-                  );
+    resource_instance^.prepared:=true;
+
+    ri:=TvImage2(resource_instance^.resource^.rimage);
+
+    if (ri=nil) then
+    begin
+     ri:=FetchImage(ctx.Cmd,
+                    FImage,
+                    resource_instance^.curr.img_usage
+                   );
+
+     resource_instance^.resource^.rimage:=ri;
+    end;
+
+    //Writeln(ri.key.cformat);
+
+    pm4_load_from(ctx.Cmd,ri,resource_instance^.curr.mem_usage);
+
+    ri.PushBarrier(ctx.Cmd,
+                   GetAccessMask(resource_instance^.curr),
+                   GetImageLayout(resource_instance^.curr),
+                   ord(VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT));
 
-    resource_instance^.resource^.rimage:=ri;
    end;
 
-   //Writeln(ri.key.cformat);
-
-   pm4_load_from(ctx.Cmd,ri,resource_instance^.curr.mem_usage);
-
-   ri.PushBarrier(ctx.Cmd,
-                  GetAccessMask(resource_instance^.curr),
-                  GetImageLayout(resource_instance^.curr),
-                  ord(VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT));
-
   end;
  end;
 
@@ -895,6 +901,8 @@ begin
      begin
       iv:=ri.FetchView(ctx.Cmd,FView,iu_sampled);
 
+      //Writeln('BindImage:','0x',HexStr(ri.FHandle,16),' 0x',HexStr(iv.FHandle,16));
+
       DescriptorGroup.BindImage(fset,bind,
                                 iv.FHandle,
                                 GetImageLayout(resource_instance^.curr));
@@ -903,6 +911,8 @@ begin
      begin
       iv:=ri.FetchView(ctx.Cmd,FView,iu_storage);
 
+      //Writeln('BindStorage:','0x',HexStr(ri.FHandle,16),' 0x',HexStr(iv.FHandle,16));
+
       DescriptorGroup.BindStorage(fset,bind,
                                   iv.FHandle,
                                   GetImageLayout(resource_instance^.curr));
diff --git a/chip/pm4_stream.pas b/chip/pm4_stream.pas
index 7226062e..d44fa1ce 100644
--- a/chip/pm4_stream.pas
+++ b/chip/pm4_stream.pas
@@ -192,6 +192,8 @@ type
   //
   resource:p_pm4_resource;
   //
+  prepared:Boolean;
+  //
   curr:t_pm4_usage;
   prev:t_pm4_usage;
   next:t_pm4_usage;
diff --git a/vulkan/vDevice.pas b/vulkan/vDevice.pas
index 0667ecd5..308863e3 100644
--- a/vulkan/vDevice.pas
+++ b/vulkan/vDevice.pas
@@ -819,7 +819,7 @@ var
  vkLayer  :array[0..0] of PChar;
  vkCInfo  :TVkInstanceCreateInfo;
  vkPrintf :TVkValidationFeaturesEXT;
- vkFeature:TVkValidationFeatureEnableEXT;
+ vkFeature:array[0..4] of TVkValidationFeatureEnableEXT;
  Features2:TVkPhysicalDeviceFeatures2;
  F16_8    :TVkPhysicalDeviceShaderFloat16Int8Features;
  FSF_8    :TVkPhysicalDevice8BitStorageFeatures;
@@ -865,12 +865,16 @@ begin
 
  if debug and printf then
  begin
-  vkFeature:=VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT;
+  vkFeature[0]:=VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT;
+  vkFeature[1]:=VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_RESERVE_BINDING_SLOT_EXT;
+  //vkFeature[]:=VK_VALIDATION_FEATURE_ENABLE_BEST_PRACTICES_EXT;
+  //vkFeature[1]:=VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT;
+  vkFeature[2]:=VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT;
 
   vkPrintf:=Default(TVkValidationFeaturesEXT);
   vkPrintf.sType:=VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT;
-  vkPrintf.enabledValidationFeatureCount:=1;
-  vkPrintf.pEnabledValidationFeatures   :=@vkFeature;
+  vkPrintf.enabledValidationFeatureCount:=3;
+  vkPrintf.pEnabledValidationFeatures   :=@vkFeature[0];
 
   vkCInfo.pNext:=@vkPrintf;
  end;