From b04560933e66d57a63ba176afa3239b3a5c1e33f Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Wed, 10 Jan 2024 10:51:51 +0000
Subject: [PATCH] D3D12 Depth Overlay use non-stencil mask approach by default

Only use stencil mask approach for depth exporting shaders.
The stencil mask approach does not show discarded pixels as passing.
---
 renderdoc/driver/d3d12/d3d12_overlay.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/renderdoc/driver/d3d12/d3d12_overlay.cpp b/renderdoc/driver/d3d12/d3d12_overlay.cpp
index dc925832a..1af183d46 100644
--- a/renderdoc/driver/d3d12/d3d12_overlay.cpp
+++ b/renderdoc/driver/d3d12/d3d12_overlay.cpp
@@ -2120,6 +2120,21 @@ ResourceId D3D12Replay::RenderOverlay(ResourceId texid, FloatVector clearCol, De
       ID3D12Resource *renderDepthStencil = NULL;
       bool useDepthWriteStencilPass = (overlay == DebugOverlay::Depth) && renderDepth;
 
+      if(useDepthWriteStencilPass)
+      {
+        useDepthWriteStencilPass = false;
+        WrappedID3D12PipelineState::ShaderEntry *wrappedPS = pipe->PS();
+        if(wrappedPS)
+        {
+          ShaderReflection &reflection = pipe->PS()->GetDetails();
+          for(SigParameter &output : reflection.outputSignature)
+          {
+            if(output.systemValue == ShaderBuiltin::DepthOutput)
+              useDepthWriteStencilPass = true;
+          }
+        }
+      }
+
       HRESULT hr;
       DXGI_FORMAT dsFmt = dsViewDesc.Format;
       // the depth overlay uses stencil buffer as a mask for the passing pixels