From 2b0d898b34a2ad814b11797ed44878eced3e95df Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Thu, 2 May 2024 10:22:22 +0100
Subject: [PATCH] RD DXIL Disassembly: add "ssaAliases" container

Used to display dx.op function arguments with a different string.
The resource handles store the resource name as an SSA register alias.
---
 renderdoc/driver/shaders/dxil/dxil_disassemble.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp b/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp
index e6d306854..6b56e0548 100644
--- a/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp
@@ -2278,6 +2278,7 @@ void Program::MakeRDDisassemblyString(const DXBC::Reflection *reflection)
       DisassemblyAddNewLine();
 
       std::map<rdcstr, ResourceHandle> resHandles;
+      std::map<rdcstr, rdcstr> ssaAliases;
 
       size_t curBlock = 0;
 
@@ -2451,6 +2452,7 @@ void Program::MakeRDDisassemblyString(const DXBC::Reflection *reflection)
                     resHandle.resourceClass = resClass;
                     resHandle.resourceIndex = resIndex;
                     resHandles[handleStr] = resHandle;
+                    ssaAliases[handleStr] = resName;
                   }
                   uint32_t index;
                   if(getival<uint32_t>(inst.args[3], index))
@@ -2913,7 +2915,11 @@ void Program::MakeRDDisassemblyString(const DXBC::Reflection *reflection)
                       lineStr += ", ";
 
                     lineStr += paramNameStr;
-                    lineStr += ArgToString(inst.args[a], false);
+                    rdcstr ssaStr = ArgToString(inst.args[a], false);
+                    if(ssaAliases.count(ssaStr) == 0)
+                      lineStr += ssaStr;
+                    else
+                      lineStr += ssaAliases[ssaStr];
                     first = false;
                   }
                 }