diff --git a/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp b/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp
index 0b3f7d3e2..a99b1afed 100644
--- a/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp
+++ b/util/test/demos/d3d12/d3d12_cbuffer_zoo.cpp
@@ -327,8 +327,11 @@ float4 main() : SV_Target0
     if(!Init())
       return 3;
 
-    ID3DBlobPtr vsblob = Compile(D3DDefaultVertex, "main", "vs_5_0");
-    ID3DBlobPtr psblob = Compile(pixel, "main", "ps_5_1");
+    ID3DBlobPtr vs5blob = Compile(D3DDefaultVertex, "main", "vs_5_0");
+    ID3DBlobPtr ps5blob = Compile(pixel, "main", "ps_5_1");
+
+    ID3DBlobPtr vs6blob = m_DXILSupport ? Compile(D3DDefaultVertex, "main", "vs_6_0") : NULL;
+    ID3DBlobPtr ps6blob = m_DXILSupport ? Compile(pixel, "main", "ps_6_0") : NULL;
 
     const size_t bindOffset = 16;
 
@@ -370,8 +373,15 @@ float4 main() : SV_Target0
         cbvParam(D3D12_SHADER_VISIBILITY_PIXEL, 999999999, 0),
     });
 
-    ID3D12PipelineStatePtr pso = MakePSO().RootSig(sig).InputLayout().VS(vsblob).PS(psblob).RTVs(
-        {DXGI_FORMAT_R32G32B32A32_FLOAT});
+    ID3D12PipelineStatePtr dxbcpso =
+        MakePSO().RootSig(sig).InputLayout().VS(vs5blob).PS(ps5blob).RTVs(
+            {DXGI_FORMAT_R32G32B32A32_FLOAT});
+
+    ID3D12PipelineStatePtr dxilpso = NULL;
+
+    if(vs6blob && ps6blob)
+      dxilpso = MakePSO().RootSig(sig).InputLayout().VS(vs6blob).PS(ps6blob).RTVs(
+          {DXGI_FORMAT_R32G32B32A32_FLOAT});
 
     ResourceBarrier(vb, D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER);
     ResourceBarrier(cb, D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER);
@@ -400,7 +410,7 @@ float4 main() : SV_Target0
       cmd->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
 
       IASetVertexBuffer(cmd, vb, sizeof(DefaultA2V), 0);
-      cmd->SetPipelineState(pso);
+      cmd->SetPipelineState(dxbcpso);
       cmd->SetGraphicsRootSignature(sig);
       cmd->SetGraphicsRootConstantBufferView(
           0, cb->GetGPUVirtualAddress() + bindOffset * sizeof(Vec4f));
@@ -413,8 +423,17 @@ float4 main() : SV_Target0
 
       OMSetRenderTargets(cmd, {offrtv}, {});
 
+      setMarker(cmd, "DXBC Draw");
       cmd->DrawInstanced(3, 1, 0, 0);
 
+      if(dxilpso)
+      {
+        cmd->SetPipelineState(dxilpso);
+
+        setMarker(cmd, "DXIL Draw");
+        cmd->DrawInstanced(3, 1, 0, 0);
+      }
+
       ResourceBarrier(cmd, rtvtex, D3D12_RESOURCE_STATE_RENDER_TARGET,
                       D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
 
diff --git a/util/test/rdtest/testcase.py b/util/test/rdtest/testcase.py
index 240aecee4..a2a5b4f4b 100644
--- a/util/test/rdtest/testcase.py
+++ b/util/test/rdtest/testcase.py
@@ -121,6 +121,9 @@ class ConstantBufferChecker:
             raise TestFailureException("Too many variables checked, {} has no matching data".format(name))
         return ShaderVariableCheck(self._variables.pop(0), name)
 
+    def next_var(self):
+        return self._variables[0]
+
     def done(self):
         if len(self._variables) != 0:
             raise TestFailureException("Not all variables checked, {} still remain".format(len(self._variables)))
diff --git a/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py b/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py
index 912509bfb..a63706ad7 100644
--- a/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py
+++ b/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py
@@ -5,16 +5,51 @@ class D3D12_CBuffer_Zoo(rdtest.TestCase):
     demos_test_name = 'D3D12_CBuffer_Zoo'
 
     def check_capture(self):
-        draw = self.find_draw("Draw")
+        draw = self.find_draw("DXBC Draw")
 
         self.check(draw is not None)
 
-        self.controller.SetFrameEvent(draw.eventId, False)
+        self.controller.SetFrameEvent(draw.next.eventId, False)
 
         pipe: rd.PipeState = self.controller.GetPipelineState()
 
         stage = rd.ShaderStage.Pixel
 
+        # Verify that the DXBC draw is first
+        disasm = self.controller.DisassembleShader(pipe.GetGraphicsPipelineObject(), pipe.GetShaderReflection(stage),
+                                                   '')
+
+        self.check('ps_5_1' in disasm)
+
+        self.check_event()
+
+        rdtest.log.success("DXBC draw is as expected")
+
+        # Move to the DXIL draw
+        draw = self.find_draw("DXIL Draw")
+
+        if draw is None:
+            rdtest.log.print("No DXIL draw to test")
+            return
+
+        self.controller.SetFrameEvent(draw.next.eventId, False)
+
+        pipe: rd.PipeState = self.controller.GetPipelineState()
+
+        disasm = self.controller.DisassembleShader(pipe.GetGraphicsPipelineObject(), pipe.GetShaderReflection(stage),
+                                                   '')
+
+        self.check('ps_6_0' in disasm)
+
+        self.check_event()
+
+        rdtest.log.success("DXIL draw is as expected")
+
+    def check_event(self):
+        pipe: rd.PipeState = self.controller.GetPipelineState()
+
+        stage = rd.ShaderStage.Pixel
+
         refl: rd.ShaderReflection = pipe.GetShaderReflection(stage)
         mapping: rd.ShaderBindpointMapping = pipe.GetBindpointMapping(stage)
 
@@ -457,7 +492,9 @@ class D3D12_CBuffer_Zoo(rdtest.TestCase):
         # float4 gldummy4;
         var_check.check('gldummy4')
 
-        # empty_struct empty; - completely omitted
+        # empty_struct empty; - completely omitted on DXBC but present on DXIL
+        if var_check.next_var().name == 'empty':
+            var_check.check('empty')
 
         # nested_with_empty nested_empty;
         var_check.check('nested_empty').rows(0).cols(0).members({