diff --git a/chip/ps4_videodrv.pas b/chip/ps4_videodrv.pas
index e67e63c3..0c5ae52b 100644
--- a/chip/ps4_videodrv.pas
+++ b/chip/ps4_videodrv.pas
@@ -706,7 +706,15 @@ procedure onEventWriteEos(pm4Hdr:PM4_TYPE_3_HEADER;Body:PTPM4CMDEVENTWRITEEOS);
 var
  adr:PDWORD;
 begin
- Assert(Body^.eventType=47);
+
+ {$ifdef ww}
+ Case Body^.eventType of
+  CS_DONE:Writeln(' CS_DONE');
+  PS_DONE:Writeln(' PS_DONE');
+  else
+   Assert(False,IntToStr(Body^.eventType));
+ end;
+ {$endif}
 
  Case Body^.eventIndex of
   EVENT_WRITE_EOS_INDEX_CSDONE_PSDONE:
diff --git a/ps4_libscegnmdriver.pas b/ps4_libscegnmdriver.pas
index 4062ea7c..a2489753 100644
--- a/ps4_libscegnmdriver.pas
+++ b/ps4_libscegnmdriver.pas
@@ -1180,6 +1180,18 @@ begin
  end;
 end;
 
+function ps4_sceGnmResetVgtControl(cmdBuffer:PDWORD;param:Integer):Integer; SysV_ABI_CDecl;
+begin
+ Result:=-1;
+ if (cmdBuffer<>nil) and (param=3) then
+ begin
+  Result:=0;
+  cmdBuffer[0]:=$c0016900;
+  cmdBuffer[1]:=$2aa;
+  cmdBuffer[2]:=$ff;
+ end;
+end;
+
 function ps4_sceGnmDispatchDirect(cmdBuffer:PDWORD;numDwords:DWORD;
                                   threadGroupX,
                                   threadGroupY,
@@ -1484,6 +1496,7 @@ begin
  lib^.set_proc($98B54BECDEC15418,@ps4_sceGnmUpdatePsShader350);
 
  lib^.set_proc($7050A9D0D5FCC1FD,@ps4_sceGnmSetVgtControl);
+ lib^.set_proc($31846D621A2329D0,@ps4_sceGnmResetVgtControl);
 
  lib^.set_proc($D01CCB1A58DCC01A,@ps4_sceGnmDispatchDirect);
 
diff --git a/spirv/SprvEmit.pas b/spirv/SprvEmit.pas
index 2d804f85..3553676b 100644
--- a/spirv/SprvEmit.pas
+++ b/spirv/SprvEmit.pas
@@ -1217,9 +1217,21 @@ begin
 
  if (ENA.ANCILLARY_ENA<>0) then
  begin
-  AddInput(@FRegsStory.VGRP[p],dtUint32,itAncillary);
+  SetConst(@FRegsStory.VGRP[p],dtUint32,2);
+  //AddInput(@FRegsStory.VGRP[p],dtUint32,itAncillary);
   p:=p+1;
-  //Render target array index[26:16], Iterated sample number[11:8], Primitive type[1:0]
+  //Render target array index[26:16], BuiltIn.Layer
+  //Iterated sample number[11:8],     BuiltIn.SampleId
+  //Primitive type[1:0]               0..3
+
+  //POINT 00
+  //LINE  01
+  //TRI   10
+  //RECT  11
+
+  //PID       ISID      RTAI
+  //01|234567|89AB|CDEF|0123456789A|
+  //10|000000|    |0000|00000000000|
  end;
 
  if (ENA.SAMPLE_COVERAGE_ENA<>0) then
diff --git a/spirv/emit_alloc.pas b/spirv/emit_alloc.pas
index 57cfc8d9..e12b1fd2 100644
--- a/spirv/emit_alloc.pas
+++ b/spirv/emit_alloc.pas
@@ -75,7 +75,7 @@ begin
  FInputs     .AllocBinding(@FDecorates);
  FOutputs    .AllocBinding(@FDecorates);
  FVertLayouts.AllocBinding(@FDecorates);
- FFragLayouts.AllocBinding(@FDecorates);
+ FFragLayouts.AllocBinding(@FDecorates,@FSpirvCaps);
 
  FBinding:=0;
  FUniforms.AllocBinding(FBinding,@FDecorates);
diff --git a/spirv/emit_vop3.pas b/spirv/emit_vop3.pas
index 1e6d8c6e..26c8f100 100644
--- a/spirv/emit_vop3.pas
+++ b/spirv/emit_vop3.pas
@@ -41,6 +41,7 @@ type
   procedure _emit_V_MAC_F32;
 
   procedure _emit_V_BFE_U32;
+  procedure _emit_V_BFI_B32;
   procedure _emit_V_MAD_F32;
   procedure _emit_V_MAD_I32_I24;
   procedure _emit_V_MAD_U32_U24;
@@ -438,6 +439,36 @@ begin
  emit_OpBfeU(dst,src[0],offset,count);
 end;
 
+procedure TEmit_VOP3._emit_V_BFI_B32;
+Var
+ dst,tmp:PsrRegSlot;
+ bitmsk:PsrRegNode;
+ src:array[0..1] of PsrRegNode;
+begin
+ dst:=FRegsStory.get_vdst8(FSPI.VOP3a.VDST);
+ tmp:=@FRegsStory.FUnattach;
+
+ Assert(FSPI.VOP3a.OMOD =0,'FSPI.VOP3a.OMOD');
+ Assert(FSPI.VOP3a.ABS  =0,'FSPI.VOP3a.ABS');
+ Assert(FSPI.VOP3a.CLAMP=0,'FSPI.VOP3a.CLAMP');
+ Assert(FSPI.VOP3a.NEG  =0,'FSPI.VOP3a.NEG');
+
+ bitmsk:=fetch_ssrc9(FSPI.VOP3a.SRC0,dtUint32);
+ src[0]:=fetch_ssrc9(FSPI.VOP3a.SRC1,dtUint32);
+ src[1]:=fetch_ssrc9(FSPI.VOP3a.SRC2,dtUint32);
+
+ emit_OpBitwiseAnd(tmp,src[0],bitmsk);
+ src[0]:=MakeRead(tmp,dtUInt32);
+
+ emit_OpNot(tmp,bitmsk);
+ bitmsk:=MakeRead(tmp,dtUInt32);
+
+ emit_OpBitwiseAnd(tmp,src[1],bitmsk);
+ src[1]:=MakeRead(tmp,dtUInt32);
+
+ emit_OpBitwiseOr(dst,src[0],src[1]);
+end;
+
 procedure TEmit_VOP3._emit_V_MAD_F32; //vdst = vsrc0.f * vsrc1.f + vadd.f
 Var
  dst:PsrRegSlot;
@@ -954,6 +985,11 @@ begin
     _emit_V_BFE_U32;
    end;
 
+  V_BFI_B32:
+   begin
+    _emit_V_BFI_B32;
+   end;
+
   V_MAD_F32:
    begin
     _emit_V_MAD_F32;
diff --git a/spirv/srCap.pas b/spirv/srCap.pas
index 74c7da54..93faf80b 100644
--- a/spirv/srCap.pas
+++ b/spirv/srCap.pas
@@ -16,6 +16,7 @@ type
   function c(n1,n2:PSpirvCap):Integer; static;
  end;
 
+ PsrCapList=^TsrCapList;
  TsrCapList=object
   type
    TNodeFetch=specialize TNodeFetch<PSpirvCap,TSpirvCap>;
diff --git a/spirv/srFragLayout.pas b/spirv/srFragLayout.pas
index 3d4c9d6e..e933cbac 100644
--- a/spirv/srFragLayout.pas
+++ b/spirv/srFragLayout.pas
@@ -13,6 +13,7 @@ uses
   srLayout,
   srVariable,
   srInput,
+  srCap,
   srDecorate;
 
 type
@@ -45,7 +46,7 @@ type
   function  Fetch(itype:TpsslInputType;location:DWORD):PsrFragLayout;
   Function  First:PsrFragLayout;
   Function  Next(node:PsrFragLayout):PsrFragLayout;
-  procedure AllocBinding(Decorates:PsrDecorateList);
+  procedure AllocBinding(Decorates:PsrDecorateList;Cap:PsrCapList);
   procedure AllocEntryPoint(EntryPoint:PSpirvOp);
  end;
 
@@ -112,7 +113,7 @@ begin
  Result:=FNTree.Next(node);
 end;
 
-procedure TsrFragLayoutList.AllocBinding(Decorates:PsrDecorateList);
+procedure TsrFragLayoutList.AllocBinding(Decorates:PsrDecorateList;Cap:PsrCapList);
 var
  node:PsrFragLayout;
  pVar:PsrVariable;
@@ -130,6 +131,7 @@ begin
    case node^.itype of
     itPerspSample:    //Sample
       begin
+       Cap^.Add(Capability.SampleRateShading);
        Decorates^.emit_decorate(ntVar,pVar,Decoration.Sample,0);
       end;
     itPerspCenter:;   //default