-#ifndef MSP_GL_SL_COMPATIBILITY_H_
-#define MSP_GL_SL_COMPATIBILITY_H_
+#ifndef MSP_GL_SL_FINALIZE_H_
+#define MSP_GL_SL_FINALIZE_H_
#include <string>
#include "visitor.h"
namespace GL {
namespace SL {
-/** Generates default precision declarations if they are missing, to satisfy
-GLSL ES requirements. */
-class DefaultPrecisionGenerator: private TraversingVisitor
+/** Assigns offset layout qualifiers to struct members. */
+class StructOrganizer: private TraversingVisitor
{
private:
- Stage *stage;
- std::set<std::string> have_default;
- NodeList<Statement>::iterator insert_point;
+ int offset = -1;
public:
- DefaultPrecisionGenerator();
+ void apply(Stage &s) { s.content.visit(*this); }
- void apply(Stage &);
+private:
+ virtual void visit(StructDeclaration &);
+ virtual void visit(VariableDeclaration &);
+};
+/** Assigns location and binding layout qualifiers to interface variables and
+blocks. */
+class LocationAllocator: private TraversingVisitor
+{
private:
- virtual void visit(Block &);
- virtual void visit(Precision &);
+ struct Uniform
+ {
+ int location;
+ int desc_set;
+ int bind_point;
+
+ Uniform(): location(-1), desc_set(-1), bind_point(-1) { }
+ };
+
+ std::map<std::string, std::set<unsigned> > used_locations;
+ std::map<std::string, Uniform> uniforms;
+ std::map<unsigned, std::set<unsigned> > used_bindings;
+ std::vector<VariableDeclaration *> unplaced_variables;
+ std::vector<VariableDeclaration *> unbound_textures;
+ std::vector<InterfaceBlock *> unbound_blocks;
+
+public:
+ void apply(Module &, const Features &);
+private:
+ void apply(Stage &);
+
+ void allocate_locations(const std::string &);
+ void bind_uniform(RefPtr<Layout> &, const std::string &, unsigned);
+ void add_layout_value(RefPtr<Layout> &, const std::string &, unsigned);
+
virtual void visit(VariableDeclaration &);
+ virtual void visit(InterfaceBlock &);
+ virtual void visit(FunctionDeclaration &) { }
};
-/** Removes precision qualifiers from variable declarations, as well as
-default precision declarations. */
-class PrecisionRemover: private TraversingVisitor
+/** Generates default precision declarations or removes precision declarations
+according to the requirements of the target API. */
+class PrecisionConverter: private TraversingVisitor
{
private:
+ Stage *stage = 0;
+ std::set<std::string> have_default;
+ NodeList<Statement>::iterator insert_point;
std::set<Node *> nodes_to_remove;
public:
void apply(Stage &);
private:
+ virtual void visit(Block &);
virtual void visit(Precision &);
virtual void visit(VariableDeclaration &);
};
class LegacyConverter: private TraversingVisitor
{
private:
- Stage *stage;
+ Stage *stage = 0;
Features features;
- std::string r_type;
- VariableDeclaration *frag_out;
+ VariableDeclaration *frag_out = 0;
NodeList<Statement>::iterator uniform_insert_point;
std::set<Node *> nodes_to_remove;
public:
- LegacyConverter();
-
virtual void apply(Stage &, const Features &);
private:
bool supports_unified_sampling_functions() const;
virtual void visit(FunctionCall &);
bool supports_interface_layouts() const;
+ bool supports_stage_interface_layouts() const;
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;
virtual void visit(InterfaceBlock &);
};