From 910f7ab65f36ea7b24ed7a88e3f4bc97fa666f0a Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 24 Nov 2025 11:55:31 +0000
Subject: [PATCH] Handle matrices when copying program attribute bindings

---
 renderdoc/driver/gl/gl_program_iterate.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/renderdoc/driver/gl/gl_program_iterate.cpp b/renderdoc/driver/gl/gl_program_iterate.cpp
index 05f653ce2..57cfc91f1 100644
--- a/renderdoc/driver/gl/gl_program_iterate.cpp
+++ b/renderdoc/driver/gl/gl_program_iterate.cpp
@@ -1204,9 +1204,13 @@ bool CopyProgramAttribBindings(GLuint progsrc, GLuint progdst, const ShaderRefle
     if(sig.systemValue != ShaderBuiltin::Undefined)
       continue;
 
-    GLint idx = GL.glGetAttribLocation(progsrc, sig.varName.c_str());
+    rdcstr name = sig.varName;
+    if(name.endsWith(":col0"))
+      name.resize(name.size() - 5);
+
+    GLint idx = GL.glGetAttribLocation(progsrc, name.c_str());
     if(idx >= 0)
-      GL.glBindAttribLocation(progdst, (GLuint)idx, sig.varName.c_str());
+      GL.glBindAttribLocation(progdst, (GLuint)idx, name.c_str());
   }
 
   return !refl->inputSignature.empty();