X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramcompiler.cpp;h=d021ab4f75732769855e9370fe0c8eec990aca20;hp=5027dc9b79788783c0e2cc5860fa91c39b232ef2;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=8468279a03d906f79fb6158162c7970d4d7fff60

diff --git a/source/programcompiler.cpp b/source/programcompiler.cpp
index 5027dc9b..d021ab4f 100644
--- a/source/programcompiler.cpp
+++ b/source/programcompiler.cpp
@@ -4,7 +4,9 @@
 #include <msp/gl/extensions/arb_gpu_shader5.h>
 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
 #include <msp/gl/extensions/ext_gpu_shader4.h>
+#include <msp/gl/extensions/ext_texture_array.h>
 #include <msp/strings/format.h>
+#include <msp/strings/regex.h>
 #include <msp/strings/utils.h>
 #include "error.h"
 #include "program.h"
@@ -57,8 +59,8 @@ void ProgramCompiler::compile(const string &source, const string &src_name)
 	delete module;
 	module = new Module();
 	ProgramParser parser;
-	imported_names.insert(src_name);
-	append_module(parser.parse(source, src_name));
+	imported_names.push_back(src_name);
+	append_module(parser.parse(source, src_name, 1));
 	process();
 }
 
@@ -68,8 +70,8 @@ void ProgramCompiler::compile(IO::Base &io, Resources *res, const string &src_na
 	delete module;
 	module = new Module();
 	ProgramParser parser;
-	imported_names.insert(src_name);
-	append_module(parser.parse(io, src_name));
+	imported_names.push_back(src_name);
+	append_module(parser.parse(io, src_name, 1));
 	process();
 }
 
@@ -83,25 +85,64 @@ void ProgramCompiler::add_shaders(Program &program)
 	if(!module)
 		throw invalid_operation("ProgramCompiler::add_shaders");
 
-	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+	try
 	{
-		if(i->type==VERTEX)
+		for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
 		{
-			program.attach_shader_owned(new VertexShader(apply<Formatter>(*i)));
-			for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
-				program.bind_attribute(j->second, j->first);
+			if(i->type==VERTEX)
+			{
+				program.attach_shader_owned(new VertexShader(apply<Formatter>(*i)));
+				for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
+					program.bind_attribute(j->second, j->first);
+			}
+			else if(i->type==GEOMETRY)
+				program.attach_shader_owned(new GeometryShader(apply<Formatter>(*i)));
+			else if(i->type==FRAGMENT)
+			{
+				program.attach_shader_owned(new FragmentShader(apply<Formatter>(*i)));
+				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);
+				}
+			}
 		}
-		else if(i->type==GEOMETRY)
-			program.attach_shader_owned(new GeometryShader(apply<Formatter>(*i)));
-		else if(i->type==FRAGMENT)
+	}
+	catch(const compile_error &e)
+	{
+		static const Regex r_message("^(([0-9]+)\\(([0-9]+)\\) :|ERROR: ([0-9]+):([0-9]+):) (.*)$");
+		vector<string> lines = split(e.what(), '\n');
+		string translated;
+		for(vector<string>::const_iterator i=lines.begin(); i!=lines.end(); ++i)
 		{
-			program.attach_shader_owned(new FragmentShader(apply<Formatter>(*i)));
-			if(EXT_gpu_shader4)
+			RegMatch m = r_message.match(*i);
+			if(m)
 			{
-				for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
-					program.bind_fragment_data(j->second, j->first);
+				unsigned index = 0;
+				unsigned line = 0;
+				if(m[2])
+				{
+					index = lexical_cast<unsigned>(m[2].str);
+					line = lexical_cast<unsigned>(m[3].str);
+				}
+				else if(m[4])
+				{
+					index = lexical_cast<unsigned>(m[4].str);
+					line = lexical_cast<unsigned>(m[5].str);
+				}
+				const char *src = "<unknown>";
+				if(index==0)
+					src = "<generated>";
+				else if(index-1<imported_names.size())
+					src = imported_names[index-1].c_str();
+				translated += format("%s:%d: %s", src, line, m[6].str);
 			}
+			else
+				translated += *i;
+			translated += '\n';
 		}
+
+		throw compile_error(translated);
 	}
 }
 
@@ -168,6 +209,8 @@ void ProgramCompiler::append_stage(Stage &stage)
 		target = &*i;
 	}
 
+	if(stage.required_version>target->required_version)
+		target->required_version = stage.required_version;
 	for(NodeList<Statement>::iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)
 		target->content.body.push_back(*i);
 	apply<DeclarationCombiner>(*target);
@@ -191,19 +234,21 @@ void ProgramCompiler::process()
 void ProgramCompiler::import(const string &name)
 {
 	string fn = name+".glsl";
-	if(imported_names.count(fn))
+	if(find(imported_names, fn)!=imported_names.end())
 		return;
-	imported_names.insert(fn);
+	imported_names.push_back(fn);
 
 	RefPtr<IO::Seekable> io = (resources ? resources->open_raw(fn) : Resources::get_builtins().open(fn));
 	if(!io)
 		throw runtime_error(format("module %s not found", name));
 	ProgramParser import_parser;
-	append_module(import_parser.parse(*io, fn));
+	append_module(import_parser.parse(*io, fn, imported_names.size()));
 }
 
 void ProgramCompiler::generate(Stage &stage)
 {
+	if(module->shared.required_version>stage.required_version)
+		stage.required_version = module->shared.required_version;
 	inject_block(stage.content, module->shared.content);
 
 	apply<DeclarationReorderer>(stage);
@@ -307,9 +352,10 @@ void ProgramCompiler::BlockModifier::visit(Block &block)
 
 
 ProgramCompiler::Formatter::Formatter():
+	source_index(0),
+	source_line(1),
 	indent(0),
-	parameter_list(false),
-	else_if(0)
+	parameter_list(false)
 { }
 
 void ProgramCompiler::Formatter::apply(ProgramSyntax::Stage &s)
@@ -319,145 +365,175 @@ void ProgramCompiler::Formatter::apply(ProgramSyntax::Stage &s)
 
 	if(ver)
 	{
-		formatted += format("#version %d%02d", ver.major, ver.minor);
+		append(format("#version %d%02d", ver.major, ver.minor));
 		if(api==OPENGL_ES2 && ver>=Version(3, 0))
-			formatted += " es";
+			append(" es");
 		formatted += '\n';
 	}
 
 	for(vector<const Extension *>::const_iterator i=s.required_extensions.begin(); i!=s.required_extensions.end(); ++i)
-		formatted += format("#extension %s: require\n", (*i)->get_name());
+		append(format("#extension %s: require\n", (*i)->get_name()));
 	if(!s.required_extensions.empty())
 		formatted += '\n';
 
 	Visitor::apply(s);
 }
 
+void ProgramCompiler::Formatter::append(const string &text)
+{
+	formatted += text;
+	for(string::const_iterator i=text.begin(); i!=text.end(); ++i)
+		if(*i=='\n')
+			++source_line;
+}
+
+void ProgramCompiler::Formatter::append(char c)
+{
+	formatted += c;
+	if(c=='\n')
+		++source_line;
+}
+
+void ProgramCompiler::Formatter::set_source(unsigned index, unsigned line)
+{
+	if(index!=source_index || (index && line!=source_line))
+	{
+		if(index==source_index && line==source_line+1)
+			formatted += '\n';
+		else
+		{
+			unsigned l = line;
+			if(stage->required_version<Version(3, 30))
+				--l;
+			formatted += format("#line %d %d\n", l, index);
+		}
+	}
+	source_index = index;
+	source_line = line;
+}
+
 void ProgramCompiler::Formatter::visit(Literal &literal)
 {
-	formatted += literal.token;
+	append(literal.token);
 }
 
 void ProgramCompiler::Formatter::visit(ParenthesizedExpression &parexpr)
 {
-	formatted += '(';
+	append('(');
 	parexpr.expression->visit(*this);
-	formatted += ')';
+	append(')');
 }
 
 void ProgramCompiler::Formatter::visit(VariableReference &var)
 {
-	formatted += var.name;
+	append(var.name);
 }
 
 void ProgramCompiler::Formatter::visit(MemberAccess &memacc)
 {
 	memacc.left->visit(*this);
-	formatted += format(".%s", memacc.member);
+	append(format(".%s", memacc.member));
 }
 
 void ProgramCompiler::Formatter::visit(UnaryExpression &unary)
 {
 	if(unary.prefix)
-		formatted += unary.oper;
+		append(unary.oper);
 	unary.expression->visit(*this);
 	if(!unary.prefix)
-		formatted += unary.oper;
+		append(unary.oper);
 }
 
 void ProgramCompiler::Formatter::visit(BinaryExpression &binary)
 {
 	binary.left->visit(*this);
-	formatted += binary.oper;
+	append(binary.oper);
 	binary.right->visit(*this);
-	formatted += binary.after;
+	append(binary.after);
 }
 
 void ProgramCompiler::Formatter::visit(Assignment &assign)
 {
 	assign.left->visit(*this);
-	formatted += format(" %s ", assign.oper);
+	append(format(" %s ", assign.oper));
 	assign.right->visit(*this);
 }
 
 void ProgramCompiler::Formatter::visit(FunctionCall &call)
 {
-	formatted += format("%s(", call.name);
+	append(format("%s(", call.name));
 	for(NodeArray<Expression>::iterator i=call.arguments.begin(); i!=call.arguments.end(); ++i)
 	{
 		if(i!=call.arguments.begin())
-			formatted += ", ";
+			append(", ");
 		(*i)->visit(*this);
 	}
-	formatted += ')';
+	append(')');
 }
 
 void ProgramCompiler::Formatter::visit(ExpressionStatement &expr)
 {
 	expr.expression->visit(*this);
-	formatted += ';';
+	append(';');
 }
 
 void ProgramCompiler::Formatter::visit(Block &block)
 {
-	if(else_if)
-		--else_if;
-
 	unsigned brace_indent = indent;
 	bool use_braces = (block.use_braces || (indent && block.body.size()!=1));
 	if(use_braces)
-		formatted += format("%s{\n", string(brace_indent*2, ' '));
+		append(format("%s{\n", string(brace_indent*2, ' ')));
 
 	SetForScope<unsigned> set(indent, indent+(indent>0 || use_braces));
 	string spaces(indent*2, ' ');
 	for(NodeList<Statement>::iterator i=block.body.begin(); i!=block.body.end(); ++i)
 	{
 		if(i!=block.body.begin())
-			formatted += '\n';
-		formatted += spaces;
+			append('\n');
+		set_source((*i)->source, (*i)->line);
+		append(spaces);
 		(*i)->visit(*this);
-		else_if = 0;
 	}
 
 	if(use_braces)
-		formatted += format("\n%s}", string(brace_indent*2, ' '));
+		append(format("\n%s}", string(brace_indent*2, ' ')));
 }
 
 void ProgramCompiler::Formatter::visit(Import &import)
 {
-	formatted += format("import %s;", import.module);
+	append(format("import %s;", import.module));
 }
 
 void ProgramCompiler::Formatter::visit(Precision &prec)
 {
-	formatted += format("precision %s %s;", prec.precision, prec.type);
+	append(format("precision %s %s;", prec.precision, prec.type));
 }
 
 void ProgramCompiler::Formatter::visit(Layout &layout)
 {
-	formatted += "layout(";
+	append("layout(");
 	for(vector<Layout::Qualifier>::const_iterator i=layout.qualifiers.begin(); i!=layout.qualifiers.end(); ++i)
 	{
 		if(i!=layout.qualifiers.begin())
-			formatted += ", ";
-		formatted += i->identifier;
+			append(", ");
+		append(i->identifier);
 		if(!i->value.empty())
-			formatted += format("=%s", i->value);
+			append(format("=%s", i->value));
 	}
-	formatted += ')';
+	append(')');
 }
 
 void ProgramCompiler::Formatter::visit(InterfaceLayout &layout)
 {
 	layout.layout.visit(*this);
-	formatted += format(" %s;", layout.interface);
+	append(format(" %s;", layout.interface));
 }
 
 void ProgramCompiler::Formatter::visit(StructDeclaration &strct)
 {
-	formatted += format("struct %s\n", strct.name);
+	append(format("struct %s\n", strct.name));
 	strct.members.visit(*this);
-	formatted += ';';
+	append(';');
 }
 
 void ProgramCompiler::Formatter::visit(VariableDeclaration &var)
@@ -465,14 +541,14 @@ void ProgramCompiler::Formatter::visit(VariableDeclaration &var)
 	if(var.layout)
 	{
 		var.layout->visit(*this);
-		formatted += ' ';
+		append(' ');
 	}
 	if(var.constant)
-		formatted += "const ";
+		append("const ");
 	if(!var.interpolation.empty())
-		formatted += format("%s ", var.interpolation);
+		append(format("%s ", var.interpolation));
 	if(!var.sampling.empty())
-		formatted += format("%s ", var.sampling);
+		append(format("%s ", var.sampling));
 	if(!var.interface.empty() && var.interface!=block_interface)
 	{
 		string interface = var.interface;
@@ -483,72 +559,77 @@ void ProgramCompiler::Formatter::visit(VariableDeclaration &var)
 			else if((stage->type==VERTEX && var.interface=="out") || (stage->type==FRAGMENT && var.interface=="in"))
 				interface = "varying";
 		}
-		formatted += format("%s ", interface);
+		append(format("%s ", interface));
 	}
 	if(!var.precision.empty())
-		formatted += format("%s ", var.precision);
-	formatted += format("%s %s", var.type, var.name);
+		append(format("%s ", var.precision));
+	append(format("%s %s", var.type, var.name));
 	if(var.array)
 	{
-		formatted += '[';
+		append('[');
 		if(var.array_size)
 			var.array_size->visit(*this);
-		formatted += ']';
+		append(']');
 	}
 	if(var.init_expression)
 	{
-		formatted += " = ";
+		append(" = ");
 		var.init_expression->visit(*this);
 	}
 	if(!parameter_list)
-		formatted += ';';
+		append(';');
 }
 
 void ProgramCompiler::Formatter::visit(InterfaceBlock &iface)
 {
 	SetForScope<string> set(block_interface, iface.interface);
-	formatted += format("%s %s\n", iface.interface, iface.name);
+	append(format("%s %s\n", iface.interface, iface.name));
 	iface.members.visit(*this);
-	formatted += ';';
+	append(';');
 }
 
 void ProgramCompiler::Formatter::visit(FunctionDeclaration &func)
 {
-	formatted += format("%s %s(", func.return_type, func.name);
+	append(format("%s %s(", func.return_type, func.name));
 	for(NodeArray<VariableDeclaration>::iterator i=func.parameters.begin(); i!=func.parameters.end(); ++i)
 	{
 		if(i!=func.parameters.begin())
-			formatted += ", ";
+			append(", ");
 		SetFlag set(parameter_list);
 		(*i)->visit(*this);
 	}
-	formatted += ')';
+	append(')');
 	if(func.definition==&func)
 	{
-		formatted += '\n';
+		append('\n');
 		func.body.visit(*this);
 	}
 	else
-		formatted += ';';
+		append(';');
 }
 
 void ProgramCompiler::Formatter::visit(Conditional &cond)
 {
-	if(else_if)
-		formatted.replace(formatted.rfind('\n'), string::npos, 1, ' ');
-
-	indent -= else_if;
-
-	formatted += "if(";
+	append("if(");
 	cond.condition->visit(*this);
-	formatted += ")\n";
+	append(")\n");
 
 	cond.body.visit(*this);
 	if(!cond.else_body.body.empty())
 	{
-		formatted += format("\n%selse\n", string(indent*2, ' '));
-		SetForScope<unsigned> set(else_if, 2);
-		cond.else_body.visit(*this);
+		Conditional *else_cond = dynamic_cast<Conditional *>(cond.else_body.body.front().get());
+		if(cond.else_body.body.size()==1 && else_cond)
+		{
+			append('\n');
+			set_source(else_cond->source, else_cond->line);
+			append(format("%selse ", string(indent*2, ' ')));
+			else_cond->visit(*this);
+		}
+		else
+		{
+			append(format("\n%selse\n", string(indent*2, ' ')));
+			cond.else_body.visit(*this);
+		}
 	}
 }
 
@@ -556,55 +637,55 @@ void ProgramCompiler::Formatter::visit(Iteration &iter)
 {
 	if(!iter.init_statement && iter.condition && !iter.loop_expression)
 	{
-		formatted += "while(";
+		append("while(");
 		iter.condition->visit(*this);
-		formatted += ')';
+		append(')');
 	}
 	else
 	{
-		formatted += "for(";
+		append("for(");
 		if(iter.init_statement)
 			iter.init_statement->visit(*this);
 		else
-			formatted += ';';
+			append(';');
 		if(iter.condition)
 		{
-			formatted += ' ';
+			append(' ');
 			iter.condition->visit(*this);
 		}
-		formatted += ';';
+		append(';');
 		if(iter.loop_expression)
 		{
-			formatted += ' ';
+			append(' ');
 			iter.loop_expression->visit(*this);
 		}
-		formatted += ')';
+		append(')');
 	}
 
 	if(iter.body.body.empty())
-		formatted += " { }";
+		append(" { }");
 	else
 	{
-		formatted += '\n';
+		append('\n');
 		iter.body.visit(*this);
 	}
 }
 
 void ProgramCompiler::Formatter::visit(Return &ret)
 {
-	formatted += "return";
+	append("return");
 	if(ret.expression)
 	{
-		formatted += ' ';
+		append(' ');
 		ret.expression->visit(*this);
 	}
-	formatted += ';';
+	append(';');
 }
 
 void ProgramCompiler::Formatter::visit(Jump &jump)
 {
-	formatted += jump.keyword;
-	formatted += ';';
+	append(jump.keyword);
+	append(';');
 }
 
 
@@ -914,7 +995,7 @@ bool ProgramCompiler::InterfaceGenerator::generate_interface(VariableDeclaration
 	return true;
 }
 
-void ProgramCompiler::InterfaceGenerator::insert_assignment(const string &left, ProgramSyntax::Expression *right)
+ExpressionStatement &ProgramCompiler::InterfaceGenerator::insert_assignment(const string &left, ProgramSyntax::Expression *right)
 {
 	Assignment *assign = new Assignment;
 	VariableReference *ref = new VariableReference;
@@ -927,6 +1008,8 @@ void ProgramCompiler::InterfaceGenerator::insert_assignment(const string &left,
 	stmt->expression = assign;
 	stmt->visit(*this);
 	insert_nodes.push_back(stmt);
+
+	return *stmt;
 }
 
 void ProgramCompiler::InterfaceGenerator::visit(VariableReference &var)
@@ -958,7 +1041,9 @@ void ProgramCompiler::InterfaceGenerator::visit(VariableDeclaration &var)
 			remove_node = true;
 			if(var.init_expression)
 			{
-				insert_assignment(var.name, var.init_expression->clone());
+				ExpressionStatement &stmt = insert_assignment(var.name, var.init_expression->clone());
+				stmt.source = var.source;
+				stmt.line = var.line;
 				return;
 			}
 		}
@@ -1596,7 +1681,7 @@ void ProgramCompiler::UnusedVariableLocator::merge_down_variables()
 		{
 			if(!i->second.referenced)
 				unused_nodes.insert(i->first);
-			clear_assignments(i->second, true);
+			clear_assignments(i->second, i->first->interface!="out");
 			continue;
 		}
 
@@ -1869,10 +1954,32 @@ void ProgramCompiler::LegacyConverter::visit(FunctionCall &call)
 				call.name = "texture2D";
 			else if(type=="sampler3D")
 				call.name = "texture3D";
+			else if(type=="samplerCube")
+				call.name = "textureCube";
 			else if(type=="sampler1DShadow")
 				call.name = "shadow1D";
 			else if(type=="sampler2DShadow")
 				call.name = "shadow2D";
+			else if(type=="sampler1DArray")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "texture1DArray";
+			}
+			else if(type=="sampler2DArray")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "texture2DArray";
+			}
+			else if(type=="sampler1DArrayShadow")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "shadow1DArray";
+			}
+			else if(type=="sampler2DArrayShadow")
+			{
+				check_extension(EXT_texture_array);
+				call.name = "shadow2DArray";
+			}
 
 			for(; i!=call.arguments.end(); ++i)
 				(*i)->visit(*this);