diff --git a/kernel/ps4_map_mm.pas b/kernel/ps4_map_mm.pas
index 78dc7da6..6f553f21 100644
--- a/kernel/ps4_map_mm.pas
+++ b/kernel/ps4_map_mm.pas
@@ -80,8 +80,8 @@ type
    isPooledMemory  :0..1;
    isCommitted     :0..1;
   end;
-  align:array[0..6] of Byte;
   name:array[0..SCE_KERNEL_VIRTUAL_RANGE_NAME_SIZE-1] of AnsiChar;
+  align:array[0..6] of Byte;
  end;
 
 function ps4_sceKernelGetDirectMemorySize:Int64; SysV_ABI_CDecl;
diff --git a/vulkan/vDevice.pas b/vulkan/vDevice.pas
index 0e7930c6..422fc0d6 100644
--- a/vulkan/vDevice.pas
+++ b/vulkan/vDevice.pas
@@ -225,6 +225,7 @@ function  uniformBuffer8Bit:Boolean;
 function  storageBuffer16Bit:Boolean;
 function  uniformBuffer16Bit:Boolean;
 function  storageInputOutput16:Boolean;
+function  sparseBinding:Boolean;
 
 var
  limits:record
@@ -334,6 +335,11 @@ begin
  Result:=Boolean(VulkanApp.FSF16.storageInputOutput16);
 end;
 
+function sparseBinding:Boolean;
+begin
+ Result:=Boolean(VulkanApp.FDeviceFeature.sparseBinding);
+end;
+
 procedure FillDeviceProperties(physicalDevice:TVkPhysicalDevice);
 var
  prop:TVkPhysicalDeviceProperties2;
diff --git a/vulkan/vHostBufferManager.pas b/vulkan/vHostBufferManager.pas
index 025c3196..44580e42 100644
--- a/vulkan/vHostBufferManager.pas
+++ b/vulkan/vHostBufferManager.pas
@@ -10,6 +10,7 @@ uses
  sys_types,
  g23tree,
  Vulkan,
+ vDevice,
  vMemory,
  vBuffer,
  vCmdBuffer;
@@ -123,6 +124,8 @@ var
  t:TvHostBuffer;
  host:TvPointer;
 
+ _size:qword;
+
 label
  _exit;
 
@@ -149,10 +152,11 @@ begin
  begin
   //Writeln('NewBuf:',HexStr(Addr));
   host:=Default(TvPointer);
-  if not TryGetHostPointerByAddr(addr,host) then
+  if not TryGetHostPointerByAddr(addr,host,@_size) then
   begin
    Goto _exit;
   end;
+  Assert(_size>=Size,'Sparse buffers TODO:'+BooltoStr(vDevice.sparseBinding,True));
   t:=_New(host,Size,usage);
   t.FAddr:=addr;
   FHostBufferSet.Insert(@t.FAddr);
diff --git a/vulkan/vMemory.pas b/vulkan/vMemory.pas
index 190a84a5..7fbeef58 100644
--- a/vulkan/vMemory.pas
+++ b/vulkan/vMemory.pas
@@ -84,7 +84,7 @@ function vkAllocHostPointer(device:TVkDevice;Size:TVkDeviceSize;mtindex:TVkUInt3
 function vkAllocDedicatedImage(device:TVkDevice;Size:TVkDeviceSize;mtindex:TVkUInt32;FHandle:TVkImage):TVkDeviceMemory;
 function vkAllocDedicatedBuffer(device:TVkDevice;Size:TVkDeviceSize;mtindex:TVkUInt32;FHandle:TVkBuffer):TVkDeviceMemory;
 
-Function TryGetHostPointerByAddr(addr:Pointer;var P:TvPointer):Boolean;
+Function TryGetHostPointerByAddr(addr:Pointer;var P:TvPointer;SizeOut:PQWORD=nil):Boolean;
 
 implementation
 
@@ -637,7 +637,7 @@ begin
  vkFreeMemory(Device.FHandle,h,nil);
 end;
 
-Function TryGetHostPointerByAddr(addr:Pointer;var P:TvPointer):Boolean;
+Function TryGetHostPointerByAddr(addr:Pointer;var P:TvPointer;SizeOut:PQWORD=nil):Boolean;
 var
  block:TGpuMemBlock;
 begin
@@ -646,6 +646,12 @@ begin
  begin
   P.FHandle:=TVkDeviceMemory(block.Handle);
   P.FOffset:=addr-block.pAddr;
+
+  if (SizeOut<>nil) then
+  begin
+   SizeOut^:=block.nSize-P.FOffset;
+  end;
+
   Result:=True;
  end;
 end;