X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogramcompiler.cpp;h=2dabd7cd8203ff0910eb97c2528e354e0b3943ff;hb=eb6a546dcffc1b67f0a23d8b075fbdc86a2872a0;hp=c54a33d6b6fbf0147fe21dd069db9f391d42cc16;hpb=a5772e203cc30ce3b449614d03a293fd5b5985ad;p=libs%2Fgl.git

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index c54a33d6..2dabd7cd 100644
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -1,4 +1,5 @@
 #include <msp/core/raii.h>
+#include <msp/gl/extensions/ext_gpu_shader4.h>
 #include <msp/strings/format.h>
 #include <msp/strings/utils.h>
 #include "error.h"
@@ -39,20 +40,25 @@ ProgramCompiler::ProgramCompiler():
 	module(0)
 { }
 
-void ProgramCompiler::compile(const string &source)
+void ProgramCompiler::compile(const string &source, const string &src_name)
 {
 	resources = 0;
-	module = &parser.parse(source);
+	module = &parser.parse(source, src_name);
 	process();
 }
 
-void ProgramCompiler::compile(IO::Base &io, Resources *res)
+void ProgramCompiler::compile(IO::Base &io, Resources *res, const string &src_name)
 {
 	resources = res;
-	module = &parser.parse(io);
+	module = &parser.parse(io, src_name);
 	process();
 }
 
+void ProgramCompiler::compile(IO::Base &io, const string &src_name)
+{
+	compile(io, 0, src_name);
+}
+
 void ProgramCompiler::add_shaders(Program &program)
 {
 	if(!module)
@@ -71,8 +77,11 @@ void ProgramCompiler::add_shaders(Program &program)
 		else if(i->type==FRAGMENT)
 		{
 			program.attach_shader_owned(new FragmentShader(apply<Formatter>(*i)));
-			for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
-				program.bind_fragment_data(j->second, j->first);
+			if(EXT_gpu_shader4)
+			{
+				for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
+					program.bind_fragment_data(j->second, j->first);
+			}
 		}
 	}
 }
@@ -80,7 +89,7 @@ void ProgramCompiler::add_shaders(Program &program)
 Module *ProgramCompiler::create_builtins_module()
 {
 	ProgramParser parser;
-	Module *module = new Module(parser.parse(builtins_src));
+	Module *module = new Module(parser.parse(builtins_src, "<builtin>"));
 	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
 	{
 		VariableResolver resolver;
@@ -133,7 +142,7 @@ void ProgramCompiler::import(const string &name)
 	if(!io)
 		throw runtime_error(format("module %s not found", name));
 	ProgramParser import_parser;
-	Module &imported_module = import_parser.parse(*io);
+	Module &imported_module = import_parser.parse(*io, fn);
 
 	inject_block(module->shared.content, imported_module.shared.content);
 	apply<DeclarationCombiner>(module->shared);
@@ -230,6 +239,38 @@ void ProgramCompiler::Visitor::apply(Stage &s)
 }
 
 
+ProgramCompiler::BlockModifier::BlockModifier():
+	remove_node(false)
+{ }
+
+void ProgramCompiler::BlockModifier::flatten_block(Block &block)
+{
+	insert_nodes.insert(insert_nodes.end(), block.body.begin(), block.body.end());
+	remove_node = true;
+}
+
+void ProgramCompiler::BlockModifier::apply_and_increment(Block &block, list<RefPtr<Node> >::iterator &i)
+{
+	block.body.insert(i, insert_nodes.begin(), insert_nodes.end());
+	insert_nodes.clear();
+
+	if(remove_node)
+		block.body.erase(i++);
+	else
+		++i;
+	remove_node = false;
+}
+
+void ProgramCompiler::BlockModifier::visit(Block &block)
+{
+	for(list<RefPtr<Node> >::iterator i=block.body.begin(); i!=block.body.end(); )
+	{
+		(*i)->visit(*this);
+		apply_and_increment(block, i);
+	}
+}
+
+
 ProgramCompiler::Formatter::Formatter():
 	indent(0),
 	parameter_list(false),
@@ -496,8 +537,7 @@ void ProgramCompiler::Formatter::visit(Jump &jump)
 
 
 ProgramCompiler::DeclarationCombiner::DeclarationCombiner():
-	toplevel(true),
-	remove_node(false)
+	toplevel(true)
 { }
 
 void ProgramCompiler::DeclarationCombiner::visit(Block &block)
@@ -506,15 +546,7 @@ void ProgramCompiler::DeclarationCombiner::visit(Block &block)
 		return;
 
 	SetForScope<bool> set(toplevel, false);
-	for(list<RefPtr<Node> >::iterator i=block.body.begin(); i!=block.body.end(); )
-	{
-		remove_node = false;
-		(*i)->visit(*this);
-		if(remove_node)
-			block.body.erase(i++);
-		else
-			++i;
-	}
+	BlockModifier::visit(block);
 }
 
 void ProgramCompiler::DeclarationCombiner::visit(FunctionDeclaration &func)
@@ -714,38 +746,6 @@ void ProgramCompiler::FunctionResolver::visit(FunctionDeclaration &func)
 }
 
 
-ProgramCompiler::BlockModifier::BlockModifier():
-	remove_node(false)
-{ }
-
-void ProgramCompiler::BlockModifier::flatten_block(Block &block)
-{
-	insert_nodes.insert(insert_nodes.end(), block.body.begin(), block.body.end());
-	remove_node = true;
-}
-
-void ProgramCompiler::BlockModifier::apply_and_increment(Block &block, list<RefPtr<Node> >::iterator &i)
-{
-	block.body.insert(i, insert_nodes.begin(), insert_nodes.end());
-	insert_nodes.clear();
-
-	if(remove_node)
-		block.body.erase(i++);
-	else
-		++i;
-	remove_node = false;
-}
-
-void ProgramCompiler::BlockModifier::visit(Block &block)
-{
-	for(list<RefPtr<Node> >::iterator i=block.body.begin(); i!=block.body.end(); )
-	{
-		(*i)->visit(*this);
-		apply_and_increment(block, i);
-	}
-}
-
-
 ProgramCompiler::InterfaceGenerator::InterfaceGenerator():
 	scope_level(0)
 { }
@@ -1687,6 +1687,8 @@ void ProgramCompiler::LegacyConverter::visit(VariableDeclaration &var)
 			}
 			else if(stage->type==FRAGMENT && var.interface=="out")
 			{
+				if(location!=0)
+					static Require _req(EXT_gpu_shader4);
 				stage->locations[var.name] = location;
 				var.layout->qualifiers.erase(i);
 			}