Inject builtins into the module

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

diff --git a/source/glsl/output.cpp b/source/glsl/output.cpp
index 6e88fd1f870e6ba554a0fbfa0ddaba93d6347720..81f335735e80eb433fd746ae85216dc59b309e83 100644 (file)
--- a/source/glsl/output.cpp
+++ b/source/glsl/output.cpp
@@ -10,33 +10,41 @@ namespace SL {
 
 Formatter::Formatter():
        stage(0),
+       mode(Compiler::PROGRAM),
        source_index(0),
        source_line(1),
        indent(0),
        parameter_list(false)
 { }
 
-const string &Formatter::apply(Stage &s)
+const string &Formatter::apply(Stage &s, Compiler::Mode m)
 {
-       SetForScope<Stage *> set_stage(stage, &s);
+       mode = m;
+       stage = &s;
 
-       GLApi api = get_gl_api();
-       const Version &ver = s.required_version;
+       const Version &ver = s.required_features.glsl_version;
 
        if(ver)
        {
                append(format("#version %d%02d", ver.major, ver.minor));
-               if(api==OPENGL_ES2 && ver>=Version(3, 0))
+               if(s.required_features.gl_api==OPENGL_ES2 && ver>=Version(3, 0))
                        append(" es");
                formatted += '\n';
        }
 
-       for(vector<const Extension *>::const_iterator i=s.required_extensions.begin(); i!=s.required_extensions.end(); ++i)
-               append(format("#extension %s: require\n", (*i)->get_name()));
-       if(!s.required_extensions.empty())
-               formatted += '\n';
+       if(s.required_features.arb_explicit_attrib_location)
+               append("#extension arb_explicit_attrib_location: require\n");
+       if(s.required_features.arb_gpu_shader5)
+               append("#extension arb_gpu_shader5: require\n");
+       if(s.required_features.arb_uniform_buffer_object)
+               append("#extension arb_uniform_buffer_object: require\n");
+       if(s.required_features.ext_gpu_shader4)
+               append("#extension ext_gpu_shader4: require\n");
+       if(s.required_features.ext_texture_array)
+               append("#extension ext_texture_array: require\n");
+       formatted += '\n';
 
-       visit(s.content);
+       s.content.visit(*this);
 
        return formatted;
 }
@@ -65,7 +73,7 @@ void Formatter::set_source(unsigned index, unsigned line)
                else
                {
                        unsigned l = line;
-                       if(stage->required_version<Version(3, 30))
+                       if(mode==Compiler::PROGRAM && stage && stage->required_features.glsl_version<Version(3, 30))
                                --l;
                        formatted += format("#line %d %d\n", l, index);
                }
@@ -91,6 +99,11 @@ void Formatter::visit(VariableReference &var)
        append(var.name);
 }
 
+void Formatter::visit(InterfaceBlockReference &iface)
+{
+       append(iface.name);
+}
+
 void Formatter::visit(MemberAccess &memacc)
 {
        memacc.left->visit(*this);
@@ -148,10 +161,14 @@ void Formatter::visit(Block &block)
 
        SetForScope<unsigned> set(indent, indent+(indent>0 || use_braces));
        string spaces(indent*2, ' ');
+       bool first = true;
        for(NodeList<Statement>::iterator i=block.body.begin(); i!=block.body.end(); ++i)
        {
-               if(i!=block.body.begin())
+               if((*i)->source==BUILTIN_SOURCE)
+                       continue;
+               if(!first)
                        append('\n');
+               first = false;
                set_source((*i)->source, (*i)->line);
                append(spaces);
                (*i)->visit(*this);
@@ -178,9 +195,9 @@ void Formatter::visit(Layout &layout)
        {
                if(i!=layout.qualifiers.begin())
                        append(", ");
-               append(i->identifier);
-               if(!i->value.empty())
-                       append(format("=%s", i->value));
+               append(i->name);
+               if(i->has_value)
+                       append(format("=%d", i->value));
        }
        append(')');
 }
@@ -214,7 +231,7 @@ void Formatter::visit(VariableDeclaration &var)
        if(!var.interface.empty() && var.interface!=block_interface)
        {
                string interface = var.interface;
-               if(stage->required_version<Version(1, 30))
+               if(mode==Compiler::PROGRAM && stage && stage->required_features.glsl_version<Version(1, 30))
                {
                        if(stage->type==Stage::VERTEX && var.interface=="in")
                                interface = "attribute";
@@ -247,6 +264,13 @@ void Formatter::visit(InterfaceBlock &iface)
        SetForScope<string> set(block_interface, iface.interface);
        append(format("%s %s\n", iface.interface, iface.name));
        iface.members.visit(*this);
+       if(!iface.instance_name.empty())
+       {
+               append(' ');
+               append(iface.instance_name);
+               if(iface.array)
+                       append("[]");
+       }
        append(';');
 }
 
@@ -333,6 +357,18 @@ void Formatter::visit(Iteration &iter)
        }
 }
 
+void Formatter::visit(Passthrough &pass)
+{
+       append("passthrough");
+       if(pass.subscript)
+       {
+               append('[');
+               pass.subscript->visit(*this);
+               append(']');
+       }
+       append(';');
+}
+
 void Formatter::visit(Return &ret)
 {
        append("return");