Support compute shaders and compute operations

[libs/gl.git] / source / core / module.h

diff --git a/source/core/module.h b/source/core/module.h
index 855d51957e8f9adb30a6e903d333186ebe5dbb25..480a0669ffbb6275324a7ab2b3c5bb660fdba2eb 100644 (file)
--- a/source/core/module.h
+++ b/source/core/module.h
@@ -61,6 +61,9 @@ private:
        virtual void compile(SL::Compiler &) = 0;
 
        SL::Features create_features() const;
+
+public:
+       virtual void set_debug_name(const std::string &) { }
 };
 
 /**
@@ -101,7 +104,8 @@ public:
        {
                VERTEX = 0,
                GEOMETRY = 3,
-               FRAGMENT = 4
+               FRAGMENT = 4,
+               COMPUTE = 5
        };
 
        enum StorageClass
@@ -129,8 +133,10 @@ public:
        struct EntryPoint
        {
                std::string name;
+               unsigned id = 0;
                Stage stage = VERTEX;
                std::vector<const Variable *> globals;
+               LinAl::Vector<unsigned, 3> compute_local_size;
        };
 
        struct StructMember
@@ -148,16 +154,18 @@ public:
        struct Structure
        {
                std::string name;
-               std::vector<StructMember> members;
+               unsigned id = 0;
                unsigned size = 0;
+               std::vector<StructMember> members;
        };
 
        struct Variable
        {
                std::string name;
-               StorageClass storage = static_cast<StorageClass>(-1);
+               unsigned id = 0;
                DataType type = VOID;
                const Structure *struct_type = 0;
+               StorageClass storage = static_cast<StorageClass>(-1);
                unsigned array_size = 0;
                int location = -1;
                unsigned descriptor_set = 0;
@@ -170,6 +178,7 @@ public:
        struct Constant
        {
                std::string name;
+               unsigned id = 0;
                int constant_id = -1;
                DataType type = VOID;
                union
@@ -181,8 +190,9 @@ public:
 
        struct InstructionBlock
        {
-               const Constant *condition = 0;
+               unsigned id = 0;
                bool negate_condition = false;
+               const Constant *condition = 0;
                std::vector<const Variable *> accessed_variables;
                std::vector<const InstructionBlock *> successors;
        };
@@ -220,6 +230,7 @@ private:
                void reflect_name(CodeIterator);
                void reflect_member_name(CodeIterator);
                void reflect_entry_point(CodeIterator);
+               void reflect_execution_mode(CodeIterator);
                void reflect_void_type(CodeIterator);
                void reflect_bool_type(CodeIterator);
                void reflect_int_type(CodeIterator);
@@ -248,6 +259,7 @@ private:
        std::vector<Variable> variables;
        std::vector<Constant> spec_constants;
        std::vector<InstructionBlock> blocks;
+       bool specializable = false;
 
 public:
        virtual Format get_format() const { return SPIR_V; }
@@ -264,6 +276,17 @@ public:
        const std::vector<Variable> &get_variables() const { return variables; }
        const std::vector<Constant> &get_spec_constants() const { return spec_constants; }
        const std::vector<InstructionBlock> &get_blocks() const { return blocks; }
+       bool is_specializable() const { return specializable; }
+
+       /** Creates a new module which is a specialized version of this one. */
+       SpirVModule *specialize(const std::map<std::string, int> &) const;
+
+private:
+       std::vector<const InstructionBlock *> collect_visited_blocks(const std::map<unsigned, int> &) const;
+       void collect_visited_blocks(unsigned, std::vector<std::uint8_t> &) const;
+
+public:
+       void set_debug_name(const std::string &n) { SpirVModuleBackend::set_debug_name(n); }
 };
 
 } // namespace GL