Extend D3D11 Depth Test Overlay

Support shader exported depth by replaying using the capture pixel shader to determine passing pixels

Don't write depth or stencil during the reply of failing pixels
No need to restore depth-stencil after replay of failing pixels

renderdoc/data/hlsl/depth_copy.hlsl

@@ -0,0 +1,42 @@
+/******************************************************************************
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019-2023 Baldur Karlsson
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ ******************************************************************************/
+
+Texture2D<float2> srcDepth : register(t0);
+
+void RENDERDOC_DepthCopyPS(float4 pos : SV_Position, out float depth : SV_Depth)
+{
+  int2 srcCoord = int2(int(pos.x), int(pos.y));
+  depth = srcDepth.Load(int3(srcCoord, 0)).r;
+}
+
+Texture2DMS<float2> srcDepthMS : register(t0);
+
+void RENDERDOC_DepthCopyMSPS(float4 pos
+                             : SV_Position, uint sample
+                             : SV_SampleIndex, out float depth
+                             : SV_Depth)
+{
+  int2 srcCoord = int2(int(pos.x), int(pos.y));
+  depth = srcDepthMS.Load(srcCoord, sample).r;
+}

renderdoc/data/renderdoc.rc

@@ -116,6 +116,7 @@ RESOURCE_texremap_hlsl     TYPE_EMBED   "hlsl/texremap.hlsl"
 RESOURCE_fixedcol_hlsl     TYPE_EMBED   "hlsl/fixedcol.hlsl"
 RESOURCE_shaderdebug_hlsl  TYPE_EMBED   "hlsl/shaderdebug.hlsl"
 RESOURCE_d3d12_pixelhistory_hlsl TYPE_EMBED   "hlsl/d3d12_pixelhistory.hlsl"
+RESOURCE_depth_copy_hlsl   TYPE_EMBED   "hlsl/depth_copy.hlsl"
 
 #ifdef RENDERDOC_BAKED_DXC_SHADERS
 

renderdoc/data/resource.h

@@ -19,6 +19,7 @@
 #define RESOURCE_fixedcol_hlsl      112
 #define RESOURCE_shaderdebug_hlsl   118
 #define RESOURCE_d3d12_pixelhistory_hlsl  119
+#define RESOURCE_depth_copy_hlsl    120
 
 #define RESOURCE_fixedcol_0_dxbc    113
 #define RESOURCE_fixedcol_1_dxbc    114

renderdoc/driver/d3d11/d3d11_debug.cpp

@@ -1135,6 +1135,40 @@ void D3D11Replay::OverlayRendering::Init(WrappedID3D11Device *device)
     TriangleSizePS =
         shaderCache->MakePShader(meshhlsl.c_str(), "RENDERDOC_TriangleSizePS", "ps_4_0");
   }
+  {
+    rdcstr hlsl = GetEmbeddedResource(depth_copy_hlsl);
+
+    DepthCopyPS = shaderCache->MakePShader(hlsl.c_str(), "RENDERDOC_DepthCopyPS", "ps_5_0");
+    DepthCopyMSPS = shaderCache->MakePShader(hlsl.c_str(), "RENDERDOC_DepthCopyMSPS", "ps_5_0");
+  }
+  {
+    D3D11_BLEND_DESC blendDesc = {};
+    blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
+    HRESULT hr = device->CreateBlendState(&blendDesc, &DepthBlendRTMaskZero);
+    if(FAILED(hr))
+    {
+      RDCERR("Failed to create depth overlay blend state HRESULT: %s", ToStr(hr).c_str());
+    }
+  }
+  {
+    D3D11_DEPTH_STENCIL_DESC dsDesc = {};
+    dsDesc.DepthEnable = FALSE;
+    dsDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
+    dsDesc.DepthFunc = D3D11_COMPARISON_ALWAYS;
+    dsDesc.StencilEnable = TRUE;
+    dsDesc.StencilReadMask = 0xff;
+    dsDesc.StencilWriteMask = 0x0;
+    dsDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP;
+    dsDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
+    dsDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
+    dsDesc.FrontFace.StencilFunc = D3D11_COMPARISON_EQUAL;
+    dsDesc.BackFace = dsDesc.FrontFace;
+    HRESULT hr = device->CreateDepthStencilState(&dsDesc, &DepthResolveDS);
+    if(FAILED(hr))
+    {
+      RDCERR("Failed to create depth resolve depth stencil state HRESULT: %s", ToStr(hr).c_str());
+    }
+  }
 }
 
 void D3D11Replay::OverlayRendering::Release()
@@ -1144,6 +1178,11 @@ void D3D11Replay::OverlayRendering::Release()
   SAFE_RELEASE(QOResolvePS);
   SAFE_RELEASE(TriangleSizeGS);
   SAFE_RELEASE(TriangleSizePS);
+  SAFE_RELEASE(DepthCopyPS);
+  SAFE_RELEASE(DepthCopyMSPS);
+
+  SAFE_RELEASE(DepthResolveDS);
+  SAFE_RELEASE(DepthBlendRTMaskZero);
 
   SAFE_RELEASE(Texture);
 }