From d55be5f687cd5ca84d89228098562bbd9a79175d Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Fri, 22 Aug 2014 00:40:49 +0100
Subject: [PATCH] Duplicate up pixel modifications based on # frags

---
 renderdoc/driver/d3d11/d3d11_analyse.cpp | 15 +++++++++++++++
 renderdoc/replay/data_types.h            |  3 +++
 renderdocui/Interop/FetchInfo.cs         |  3 +++
 3 files changed, 21 insertions(+)

diff --git a/renderdoc/driver/d3d11/d3d11_analyse.cpp b/renderdoc/driver/d3d11/d3d11_analyse.cpp
index a87ab177d..77671fede 100644
--- a/renderdoc/driver/d3d11/d3d11_analyse.cpp
+++ b/renderdoc/driver/d3d11/d3d11_analyse.cpp
@@ -4214,6 +4214,21 @@ vector<PixelModification> D3D11DebugManager::PixelHistory(uint32_t frameID, vect
 		}
 	}
 	
+	for(size_t h=0; h < history.size(); )
+	{
+		int32_t frags = RDCMAX(1, history[h].shaderOut.col.value_i[0]);
+
+		PixelModification mod = history[h];
+
+		for(int32_t f=1; f < frags; f++)
+			history.insert(history.begin()+h+1, mod);
+
+		for(int32_t f=0; f < frags; f++)
+			history[h+f].fragIndex = f;
+
+		h += frags;
+	}
+	
 	m_pImmediateContext->Unmap(pixstoreDepthReadback, 0);
 	m_pImmediateContext->Unmap(pixstore, 0);
 
diff --git a/renderdoc/replay/data_types.h b/renderdoc/replay/data_types.h
index 3bd04af71..0967aaf68 100644
--- a/renderdoc/replay/data_types.h
+++ b/renderdoc/replay/data_types.h
@@ -213,6 +213,9 @@ struct PixelModification
 {
 	uint32_t eventID;
 
+	uint32_t fragIndex;
+	uint32_t primitiveID;
+
 	ModificationValue preMod;
 	ModificationValue shaderOut;
 	ModificationValue postMod;
diff --git a/renderdocui/Interop/FetchInfo.cs b/renderdocui/Interop/FetchInfo.cs
index 45d80e625..2c21f6917 100644
--- a/renderdocui/Interop/FetchInfo.cs
+++ b/renderdocui/Interop/FetchInfo.cs
@@ -472,6 +472,9 @@ namespace renderdoc
     {
         public UInt32 eventID;
 
+        public UInt32 fragIndex;
+        public UInt32 primitiveID;
+
         [CustomMarshalAs(CustomUnmanagedType.CustomClass)]
         public ModificationValue preMod;
         [CustomMarshalAs(CustomUnmanagedType.CustomClass)]