throw invalid_shader_source(get_diagnostics());
unsigned n = 0;
- for(list<Stage>::iterator i=module->stages.begin(); (i!=module->stages.end() && n<10000); ++n)
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++n)
{
OptimizeResult result = optimize(*i);
if(result==REDO_PREVIOUS)
inject_block(stage.content, builtins->content);
// Initial resolving pass
- BlockHierarchyResolver().apply(stage);
- FunctionResolver().apply(stage);
- VariableResolver().apply(stage);
+ resolve(stage);
/* All variables local to a stage have been resolved. Resolve non-local
variables through interfaces. */
InterfaceGenerator().apply(stage);
- VariableResolver().apply(stage);
+ resolve(stage, RESOLVE_BLOCKS|RESOLVE_TYPES|RESOLVE_VARIABLES);
- FunctionResolver().apply(stage);
ConstantSpecializer().apply(stage, (mode==PROGRAM && specialized ? &spec_values : 0));
if(mode==PROGRAM)
+ {
LegacyConverter().apply(stage, features);
+ resolve(stage, RESOLVE_VARIABLES|RESOLVE_FUNCTIONS);
+ }
+}
+
+template<typename T>
+bool Compiler::resolve(Stage &stage, unsigned &flags, unsigned bit)
+{
+ if(!(flags&bit))
+ return false;
+
+ flags &= ~bit;
+ return T().apply(stage);
+}
+
+void Compiler::resolve(Stage &stage, unsigned flags)
+{
+ while(flags)
+ {
+ if(resolve<BlockHierarchyResolver>(stage, flags, RESOLVE_BLOCKS))
+ ;
+ else if(resolve<TypeResolver>(stage, flags, RESOLVE_TYPES))
+ flags |= RESOLVE_VARIABLES|RESOLVE_EXPRESSIONS;
+ else if(resolve<VariableResolver>(stage, flags, RESOLVE_VARIABLES))
+ flags |= RESOLVE_EXPRESSIONS;
+ else if(resolve<FunctionResolver>(stage, flags, RESOLVE_FUNCTIONS))
+ flags |= RESOLVE_EXPRESSIONS;
+ else if(resolve<ExpressionResolver>(stage, flags, RESOLVE_EXPRESSIONS))
+ flags |= RESOLVE_VARIABLES;
+ }
}
bool Compiler::validate(Stage &stage)
{
+ TypeValidator().apply(stage);
DeclarationValidator().apply(stage);
+ ReferenceValidator().apply(stage);
+ ExpressionValidator().apply(stage);
for(vector<Diagnostic>::const_iterator i=stage.diagnostics.begin(); i!=stage.diagnostics.end(); ++i)
if(i->severity==Diagnostic::ERR)
{
ConstantConditionEliminator().apply(stage);
- bool any_inlined = FunctionInliner().apply(stage);
- any_inlined |= ExpressionInliner().apply(stage);
- if(any_inlined)
+ bool any_inlined = false;
+ if(FunctionInliner().apply(stage))
+ {
+ resolve(stage, RESOLVE_TYPES|RESOLVE_VARIABLES|RESOLVE_EXPRESSIONS);
+ any_inlined = true;
+ }
+ if(ExpressionInliner().apply(stage))
{
- VariableResolver().apply(stage);
- FunctionResolver().apply(stage);
+ resolve(stage, RESOLVE_VARIABLES|RESOLVE_EXPRESSIONS);
+ any_inlined = true;
}
/* Removing variables or functions may cause things from the previous stage
to become unused. */
bool any_removed = UnusedVariableRemover().apply(stage);
any_removed |= UnusedFunctionRemover().apply(stage);
+ any_removed |= UnusedTypeRemover().apply(stage);
return any_removed ? REDO_PREVIOUS : any_inlined ? REDO_STAGE : NEXT_STAGE;
}