Add support for uint types in GLSL

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

diff --git a/source/glsl/builtin.cpp b/source/glsl/builtin.cpp
index 9aa6a6c2b4dd6bcef9d71cc26ea9d6af6343646d..12602707db80ca5043b6582f5b6917422cb2f477 100644 (file)
--- a/source/glsl/builtin.cpp
+++ b/source/glsl/builtin.cpp
@@ -9,6 +9,13 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+void populate_types(Stage &stage)
+{
+       for(NodeList<Statement>::const_iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)
+               if(TypeDeclaration *type = dynamic_cast<TypeDeclaration *>(i->get()))
+                       stage.types[type->name] = type;
+}
+
 Module *get_builtins_module()
 {
        static RefPtr<Module> builtins_module;
@@ -24,12 +31,54 @@ Module *get_builtins_module()
                Parser parser;
                Module *module = new Module(parser.parse(*io, "<builtin>", BUILTIN_SOURCE));
 
+               NodeList<Statement> &shared_body = module->shared.content.body;
+               NodeList<Statement>::iterator insert_point = shared_body.begin();
+
+               RefPtr<BasicTypeDeclaration> type = new BasicTypeDeclaration;
+               type->source = BUILTIN_SOURCE;
+               type->name = "void";
+               type->kind = BasicTypeDeclaration::VOID;
+               shared_body.insert(insert_point, type);
+
+               type = new BasicTypeDeclaration;
+               type->source = BUILTIN_SOURCE;
+               type->name = "bool";
+               type->size = 1;
+               type->kind = BasicTypeDeclaration::BOOL;
+               shared_body.insert(insert_point, type);
+
+               type = new BasicTypeDeclaration;
+               type->source = BUILTIN_SOURCE;
+               type->name = "int";
+               type->size = 32;
+               type->kind = BasicTypeDeclaration::INT;
+               shared_body.insert(insert_point, type);
+
+               type = new BasicTypeDeclaration;
+               type->source = BUILTIN_SOURCE;
+               type->name = "uint";
+               type->size = 32;
+               type->sign = false;
+               type->kind = BasicTypeDeclaration::INT;
+               shared_body.insert(insert_point, type);
+
+               type = new BasicTypeDeclaration;
+               type->source = BUILTIN_SOURCE;
+               type->name = "float";
+               type->size = 32;
+               type->kind = BasicTypeDeclaration::FLOAT;
+               shared_body.insert(insert_point, type);
+
+               populate_types(module->shared);
+               for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+                       populate_types(*i);
+
                builtins_module = module;
        }
        return builtins_module.get();
 }
 
-Stage *get_builtins(Stage::Type type)
+const Stage *get_builtins(Stage::Type type)
 {
        Module *module = get_builtins_module();
        if(!module)