X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fsyntax.cpp;h=4526bf2bd986075f6bfe50e50dae1eabf2ebd204;hb=59347f76bc985e8c9c769d4a3eee672cba9c920b;hp=469ce5a602c2f22a464a5896c003c5aa209d29ef;hpb=a4cd67f1c9f1f375bacacfbb421d40f78a22644b;p=libs%2Fgl.git

diff --git a/source/glsl/syntax.cpp b/source/glsl/syntax.cpp
index 469ce5a6..4526bf2b 100644
--- a/source/glsl/syntax.cpp
+++ b/source/glsl/syntax.cpp
@@ -138,14 +138,16 @@ void InterfaceBlockReference::visit(NodeVisitor &visitor)
 
 
 MemberAccess::MemberAccess():
-	declaration(0)
+	declaration(0),
+	index(-1)
 { }
 
 MemberAccess::MemberAccess(const MemberAccess &other):
 	Expression(other),
 	left(other.left),
 	member(other.member),
-	declaration(0)
+	declaration(0),
+	index(-1)
 { }
 
 void MemberAccess::visit(NodeVisitor &visitor)
@@ -269,6 +271,7 @@ void InterfaceLayout::visit(NodeVisitor &visitor)
 BasicTypeDeclaration::BasicTypeDeclaration():
 	kind(ALIAS),
 	size(0),
+	sign(true),
 	base_type(0)
 { }
 
@@ -276,6 +279,7 @@ BasicTypeDeclaration::BasicTypeDeclaration(const BasicTypeDeclaration &other):
 	TypeDeclaration(other),
 	kind(other.kind),
 	size(other.size),
+	sign(other.sign),
 	base(other.base),
 	base_type(0)
 { }
@@ -369,7 +373,7 @@ InterfaceBlock::InterfaceBlock():
 InterfaceBlock::InterfaceBlock(const InterfaceBlock &other):
 	Statement(other),
 	interface(other.interface),
-	name(other.name),
+	block_name(other.block_name),
 	members(other.members),
 	instance_name(other.instance_name),
 	array(other.array),
@@ -464,6 +468,42 @@ Module::Module():
 	shared(Stage::SHARED)
 { }
 
+
+string get_unused_variable_name(const Block &block, const string &base)
+{
+	string name = base;
+
+	unsigned number = 1;
+	unsigned base_size = name.size();
+	while(1)
+	{
+		bool unused = true;
+		for(const Block *b=█ (unused && b); b=b->parent)
+			unused = !b->variables.count(name);
+		if(unused)
+			return name;
+
+		name.erase(base_size);
+		name += format("_%d", number);
+		++number;
+	}
+}
+
+int get_layout_value(const Layout &layout, const string &name, int def_value)
+{
+	for(vector<Layout::Qualifier>::const_iterator i=layout.qualifiers.begin(); i!=layout.qualifiers.end(); ++i)
+		if(i->name==name)
+			return i->value;
+	return def_value;
+}
+
+void add_to_chain(Assignment::Target &target, Assignment::Target::ChainType type, unsigned index)
+{
+	if(target.chain_len<7)
+		target.chain[target.chain_len] = type | min<unsigned>(index, 0x3F);
+	++target.chain_len;
+}
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp