X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Freflect.cpp;h=c2a913f982acfcb61c6ca7a0289f3233f3d434e9;hb=188b3b2bf686aada8772475aabf899a0420cbd0f;hp=e63553163c8435f23e2199effa17cc91eb5e52ee;hpb=3ffa465364a36477b81b1b644ae8d19ee3bac8c2;p=libs%2Fgl.git

diff --git a/source/glsl/reflect.cpp b/source/glsl/reflect.cpp
index e6355316..c2a913f9 100644
--- a/source/glsl/reflect.cpp
+++ b/source/glsl/reflect.cpp
@@ -6,6 +6,44 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+bool is_scalar(const BasicTypeDeclaration &type)
+{
+	return (type.kind==BasicTypeDeclaration::INT || type.kind==BasicTypeDeclaration::FLOAT);
+}
+
+bool is_vector_or_matrix(const BasicTypeDeclaration &type)
+{
+	return (type.kind==BasicTypeDeclaration::VECTOR || type.kind==BasicTypeDeclaration::MATRIX);
+}
+
+BasicTypeDeclaration *get_element_type(BasicTypeDeclaration &type)
+{
+	if(is_vector_or_matrix(type) || type.kind==BasicTypeDeclaration::ARRAY)
+	{
+		BasicTypeDeclaration *basic_base = dynamic_cast<BasicTypeDeclaration *>(type.base_type);
+		return (basic_base ? get_element_type(*basic_base) : 0);
+	}
+	else
+		return &type;
+}
+
+bool can_convert(const BasicTypeDeclaration &from, const BasicTypeDeclaration &to)
+{
+	if(from.kind==BasicTypeDeclaration::INT && to.kind==BasicTypeDeclaration::FLOAT)
+		return from.size<=to.size;
+	else if(from.kind!=to.kind)
+		return false;
+	else if(is_vector_or_matrix(from) && from.size==to.size)
+	{
+		BasicTypeDeclaration *from_base = dynamic_cast<BasicTypeDeclaration *>(from.base_type);
+		BasicTypeDeclaration *to_base = dynamic_cast<BasicTypeDeclaration *>(to.base_type);
+		return (from_base && to_base && can_convert(*from_base, *to_base));
+	}
+	else
+		return false;
+}
+
+
 unsigned TypeComparer::next_tag = 1;
 
 TypeComparer::TypeComparer():
@@ -279,7 +317,10 @@ void DependencyCollector::visit(InterfaceBlockReference &iface)
 void DependencyCollector::visit(FunctionCall &call)
 {
 	if(call.declaration)
+	{
 		dependencies.insert(call.declaration);
+		call.declaration->visit(*this);
+	}
 	TraversingVisitor::visit(call);
 }
 
@@ -295,6 +336,15 @@ void DependencyCollector::visit(VariableDeclaration &var)
 	TraversingVisitor::visit(var);
 }
 
+void DependencyCollector::visit(FunctionDeclaration &func)
+{
+	if(!visited_functions.count(&func))
+	{
+		visited_functions.insert(&func);
+		TraversingVisitor::visit(func);
+	}
+}
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp