Add legacy conversion for binding layout qualifiers

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

diff --git a/source/glsl/finalize.h b/source/glsl/finalize.h
index 357351b476bd071500847c5653e044025a82c082..28145aebd9e2837abedcb2b5ec54ae3b8f745414 100644 (file)
--- a/source/glsl/finalize.h
+++ b/source/glsl/finalize.h
@@ -8,6 +8,26 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+class LocationAllocator: private TraversingVisitor
+{
+private:
+       std::map<std::string, std::set<unsigned> > used_locations;
+       std::map<std::string, unsigned> uniform_locations;
+       std::vector<VariableDeclaration *> unplaced_variables;
+
+public:
+       void apply(Module &);
+private:
+       void apply(Stage &);
+
+       void allocate_locations(const std::string &);
+       void add_location(RefPtr<Layout> &, unsigned);
+
+       virtual void visit(VariableDeclaration &);
+       virtual void visit(InterfaceBlock &) { }
+       virtual void visit(FunctionDeclaration &) { }
+};
+
 /** Generates default precision declarations or removes precision declarations
 according to the requirements of the target API. */
 class PrecisionConverter: private TraversingVisitor
@@ -62,6 +82,7 @@ private:
        bool supports_centroid_sampling() const;
        bool supports_sample_sampling() const;
        bool supports_uniform_location() const;
+       bool supports_binding() const;
        virtual void visit(VariableDeclaration &);
        bool supports_interface_blocks(const std::string &) const;
        bool supports_interface_block_location() const;