From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 6 Apr 2021 09:46:48 +0000 (+0300)
Subject: Fix GLSL member access index calculation
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=631872e13c2670f7dece44512ed55af50b77f399

Fix GLSL member access index calculation

Also show it in debug output
---

diff --git a/source/glsl/debug.cpp b/source/glsl/debug.cpp
index 2be5bce4..bd3404e5 100644
--- a/source/glsl/debug.cpp
+++ b/source/glsl/debug.cpp
@@ -162,7 +162,7 @@ void DumpTree::visit(MemberAccess &memacc)
 	string text = "Member access:";
 	if(memacc.declaration)
 		text += format(" %%%d", get_label(*memacc.declaration));
-	text += format(" .%s -> %s", memacc.member, format_type(memacc.type));
+	text += format(" .%s (%d) -> %s", memacc.member, memacc.index, format_type(memacc.type));
 	append(memacc, text);
 	append_subtree(*memacc.left);
 }
diff --git a/source/glsl/resolve.cpp b/source/glsl/resolve.cpp
index bf32326f..3201ea1b 100644
--- a/source/glsl/resolve.cpp
+++ b/source/glsl/resolve.cpp
@@ -293,6 +293,7 @@ void VariableResolver::visit(MemberAccess &memacc)
 		if(i!=strct->members.variables.end())
 		{
 			declaration = i->second;
+			index = 0;
 			for(NodeList<Statement>::const_iterator j=strct->members.body.begin(); (j!=strct->members.body.end() && j->get()!=i->second); ++j)
 				++index;