Fixes for handling extended alignment in GLSL

[libs/gl.git] / source / glsl / syntax.cpp

diff --git a/source/glsl/syntax.cpp b/source/glsl/syntax.cpp
index ccdb7197e570d7f786b65129b12e9196a884ccb4..d74291bc2840edd89391f6ce04e4fc04275bf5b2 100644 (file)
--- a/source/glsl/syntax.cpp
+++ b/source/glsl/syntax.cpp
@@ -78,8 +78,7 @@ NodeContainer<C>::NodeContainer(const NodeContainer &c):
 Block::Block(const Block &other):
        Node(other),
        body(other.body),
-       use_braces(other.use_braces),
-       parent(0)
+       use_braces(other.use_braces)
 { }
 
 void Block::visit(NodeVisitor &visitor)
@@ -225,6 +224,7 @@ BasicTypeDeclaration::BasicTypeDeclaration(const BasicTypeDeclaration &other):
        kind(other.kind),
        size(other.size),
        sign(other.sign),
+       extended_alignment(other.extended_alignment),
        base(other.base)
        // Do not copy base type
 { }
@@ -248,7 +248,8 @@ StructDeclaration::StructDeclaration()
 
 StructDeclaration::StructDeclaration(const StructDeclaration &other):
        TypeDeclaration(other),
-       members(other.members)
+       members(other.members),
+       extended_alignment(other.extended_alignment)
        // Do not copy interface block
 { }
 
@@ -294,6 +295,7 @@ void VariableDeclaration::visit(NodeVisitor &visitor)
 
 InterfaceBlock::InterfaceBlock(const InterfaceBlock &other):
        Statement(other),
+       layout(other.layout),
        interface(other.interface),
        block_name(other.block_name),
        members(other.members),
@@ -401,10 +403,40 @@ string get_unused_variable_name(const Block &block, const string &base)
        }
 }
 
-int get_layout_value(const Layout &layout, const string &name, int def_value)
+const TypeDeclaration *get_ultimate_base_type(const TypeDeclaration *type)
+{
+       if(!type)
+               return 0;
+       while(const BasicTypeDeclaration *basic = dynamic_cast<const BasicTypeDeclaration *>(type))
+       {
+               if(!basic->base_type)
+                       break;
+               type = basic->base_type;
+       }
+       return type;
+}
+
+bool has_layout_qualifier(const Layout *layout, const string &name)
+{
+       if(!layout)
+               return false;
+       auto i = find_member(layout->qualifiers, name, &Layout::Qualifier::name);
+       return i!=layout->qualifiers.end();
+}
+
+int get_layout_value(const Layout *layout, const string &name, int def_value)
+{
+       if(!layout)
+               return def_value;
+       auto i = find_member(layout->qualifiers, name, &Layout::Qualifier::name);
+       return (i!=layout->qualifiers.end() ? i->value : def_value);
+}
+
+void add_layout_qualifier(RefPtr<Layout> &layout, const Layout::Qualifier &q)
 {
-       auto i = find_member(layout.qualifiers, name, &Layout::Qualifier::name);
-       return (i!=layout.qualifiers.end() ? i->value : def_value);
+       if(!layout)
+               layout = new Layout;
+       layout->qualifiers.push_back(q);
 }
 
 void add_to_chain(Assignment::Target &target, Assignment::Target::ChainType type, unsigned index)