Split up ComponentSpecializer

[libs/gl.git] / source / glsl / optimize.h

diff --git a/source/glsl/optimize.h b/source/glsl/optimize.h
index 1262823f53ead86c058734fc0d62841b70f7dea3..4c57eaea94844192b29d3a12c9862d754af6dc2c 100644 (file)
--- a/source/glsl/optimize.h
+++ b/source/glsl/optimize.h
@@ -9,9 +9,25 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+/** Assigns values to specialization constants, turning them into normal
+constants. */
+class ConstantSpecializer: private TraversingVisitor
+{
+private:
+       const std::map<std::string, int> *values;
+
+public:
+       ConstantSpecializer();
+
+       void apply(Stage &, const std::map<std::string, int> &);
+
+private:
+       virtual void visit(VariableDeclaration &);
+};
+
 /** Finds functions which are candidates for inlining.  Currently this means
-functions which have no parameters, contain no more than one return statement,
-and are only called once. */
+functions which have no flow control statements, no more than one return
+statement, and are only called once. */
 class InlineableFunctionLocator: private TraversingVisitor
 {
 private:
@@ -39,12 +55,17 @@ dependencies of the inlined statements to appear before the target function. */
 class InlineContentInjector: private TraversingVisitor
 {
 private:
+       enum Pass
+       {
+               DEPENDS,
+               REFERENCED,
+               INLINE,
+               RENAME
+       };
+
        FunctionDeclaration *source_func;
-       Block *target_block;
-       std::map<std::string, VariableDeclaration *> variable_map;
-       std::string remap_prefix;
-       unsigned remap_names;
-       bool deps_only;
+       Block staging_block;
+       Pass pass;
        RefPtr<Statement> r_inlined_statement;
        std::set<Node *> dependencies;
        std::set<std::string> referenced_names;
@@ -53,7 +74,7 @@ private:
 public:
        InlineContentInjector();
 
-       const std::string &apply(Stage &, FunctionDeclaration &, Block &, const NodeList<Statement>::iterator &, FunctionDeclaration &);
+       const std::string &apply(Stage &, FunctionDeclaration &, Block &, const NodeList<Statement>::iterator &, FunctionCall &);
 
 private:
        virtual void visit(VariableReference &);
@@ -75,6 +96,7 @@ private:
        NodeList<Statement>::iterator insert_point;
        RefPtr<Expression> r_inline_result;
        bool r_any_inlined;
+       bool r_inlined_here;
 
 public:
        FunctionInliner();
@@ -191,6 +213,7 @@ private:
 
        NodeList<Statement>::iterator insert_point;
        std::set<Node *> nodes_to_remove;
+       RefPtr<Expression> r_ternary_result;
 
 public:
        void apply(Stage &);
@@ -199,6 +222,8 @@ private:
        ConstantStatus check_constant_condition(const Expression &);
 
        virtual void visit(Block &);
+       virtual void visit(RefPtr<Expression> &);
+       virtual void visit(TernaryExpression &);
        virtual void visit(Conditional &);
        virtual void visit(Iteration &);
 };