X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Freflect.cpp;h=83af09a6f8b092bfb9cf3a76d949644ae5638793;hp=c38e3aecbb3d487c6c7c2f10f510b6495092e872;hb=3f245515062d10e4d527827e5126fe412de06ce0;hpb=c72c4ebe384a0d5a48c268d09449707bd86090a8

diff --git a/source/glsl/reflect.cpp b/source/glsl/reflect.cpp
index c38e3aec..83af09a6 100644
--- a/source/glsl/reflect.cpp
+++ b/source/glsl/reflect.cpp
@@ -1,3 +1,4 @@
+#include <msp/core/algorithm.h>
 #include "reflect.h"
 
 using namespace std;
@@ -6,6 +7,46 @@ 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(from.kind==BasicTypeDeclaration::INT && from.sign!=to.sign)
+		return from.sign && from.size<=to.size;
+	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():
@@ -81,11 +122,54 @@ void TypeComparer::visit(VariableReference &var)
 	}
 }
 
+void TypeComparer::visit(UnaryExpression &unary)
+{
+	if(UnaryExpression *unary1 = multi_visit(unary))
+	{
+		if(unary1->oper!=unary.oper)
+			r_result = false;
+		else
+			compare(*unary1->expression, *unary.expression);
+	}
+}
+
+void TypeComparer::visit(BinaryExpression &binary)
+{
+	if(BinaryExpression *binary1 = multi_visit(binary))
+	{
+		if(binary1->oper!=binary.oper)
+			r_result = false;
+		else
+		{
+			compare(*binary1->left, *binary.left);
+			if(r_result)
+				compare(*binary1->right, *binary.right);
+		}
+	}
+}
+
+void TypeComparer::visit(TernaryExpression &ternary)
+{
+	if(TernaryExpression *ternary1 = multi_visit(ternary))
+	{
+		if(ternary1->oper!=ternary.oper)
+			r_result = false;
+		else
+		{
+			compare(*ternary1->condition, *ternary.condition);
+			if(r_result)
+				compare(*ternary1->true_expr, *ternary.true_expr);
+			if(r_result)
+				compare(*ternary1->false_expr, *ternary.false_expr);
+		}
+	}
+}
+
 void TypeComparer::visit(BasicTypeDeclaration &basic)
 {
 	if(BasicTypeDeclaration *basic1 = multi_visit(basic))
 	{
-		if(basic1->kind!=basic.kind || basic1->size!=basic.size)
+		if(basic1->kind!=basic.kind || basic1->size!=basic.size || basic1->sign!=basic.sign)
 			r_result = false;
 		else if(basic1->base_type && basic.base_type)
 			compare(*basic1->base_type, *basic.base_type);
@@ -118,8 +202,8 @@ void TypeComparer::visit(StructDeclaration &strct)
 		else
 		{
 			r_result = true;
-			NodeList<Statement>::const_iterator i = strct1->members.body.begin();
-			NodeList<Statement>::const_iterator j = strct.members.body.begin();
+			auto i = strct1->members.body.begin();
+			auto j = strct.members.body.begin();
 			for(; (r_result && i!=strct1->members.body.end()); ++i, ++j)
 				compare(**i, **j);
 		}
@@ -167,10 +251,10 @@ void LocationCounter::visit(ImageTypeDeclaration &)
 void LocationCounter::visit(StructDeclaration &strct)
 {
 	unsigned total = 0;
-	for(NodeList<Statement>::const_iterator i=strct.members.body.begin(); i!=strct.members.body.end(); ++i)
+	for(const RefPtr<Statement> &s: strct.members.body)
 	{
 		r_count = 1;
-		(*i)->visit(*this);
+		s->visit(*this);
 		total += r_count;
 	}
 	r_count = total;
@@ -216,12 +300,12 @@ void MemoryRequirementsCalculator::visit(StructDeclaration &strct)
 {
 	unsigned total = 0;
 	unsigned max_align = 1;
-	for(NodeList<Statement>::iterator i=strct.members.body.begin(); i!=strct.members.body.end(); ++i)
+	for(const RefPtr<Statement> &s: strct.members.body)
 	{
 		r_size = 0;
 		r_alignment = 1;
 		r_offset = -1;
-		(*i)->visit(*this);
+		s->visit(*this);
 		if(r_offset)
 			total = r_offset;
 		total += r_alignment-1;
@@ -237,10 +321,9 @@ void MemoryRequirementsCalculator::visit(VariableDeclaration &var)
 {
 	if(var.layout)
 	{
-		const vector<Layout::Qualifier> qualifiers = var.layout->qualifiers;
-		for(vector<Layout::Qualifier>::const_iterator i=qualifiers.begin(); (r_offset<0 && i!=qualifiers.end()); ++i)
-			if(i->name=="offset")
-				r_offset = i->value;
+		auto i = find_member(var.layout->qualifiers, string("offset"), &Layout::Qualifier::name);
+		if(i!=var.layout->qualifiers.end())
+			r_offset = i->value;
 	}
 
 	if(var.type_declaration)
@@ -281,7 +364,8 @@ void DependencyCollector::visit(FunctionCall &call)
 	if(call.declaration)
 	{
 		dependencies.insert(call.declaration);
-		call.declaration->visit(*this);
+		if(call.declaration->definition)
+			call.declaration->definition->visit(*this);
 	}
 	TraversingVisitor::visit(call);
 }