X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Ffinalize.h;h=4fc2e1b00c42806768e0aca28b9166eb2284939b;hb=0a8abd433b3052ed99adac4069fef55c6a56ccaa;hp=bde0618abf2bc3dc5d73f57209486f575fa1e1b6;hpb=efbce87192ce73ba577684369f759693dccec67c;p=libs%2Fgl.git diff --git a/source/glsl/finalize.h b/source/glsl/finalize.h index bde0618a..4fc2e1b0 100644 --- a/source/glsl/finalize.h +++ b/source/glsl/finalize.h @@ -29,22 +29,26 @@ class LocationAllocator: private TraversingVisitor private: struct Uniform { - int location; - int desc_set; - int bind_point; - - Uniform(): location(-1), desc_set(-1), bind_point(-1) { } + int location = -1; + int desc_set = 0; + int bind_point = -1; }; + Features features; + bool alloc_new = true; std::map > used_locations; std::map uniforms; std::map > used_bindings; std::vector unplaced_variables; std::vector unbound_textures; - std::vector unbound_blocks; + std::vector unbound_blocks; + + /* Dirty hack to work around an issue where vertex attributes prevent the + flat qualifier from working on the same location. */ + std::set used_vertex_attribs; public: - void apply(Module &, const Features &); + void apply(Module &, const Features &, bool = true); private: void apply(Stage &); @@ -53,10 +57,31 @@ private: bool visit_uniform(const std::string &, RefPtr &); virtual void visit(VariableDeclaration &); - virtual void visit(InterfaceBlock &); virtual void visit(FunctionDeclaration &) { } }; +/** +Converts the output depth range to match expectations of the target API. +*/ +class DepthRangeConverter: private TraversingVisitor +{ +private: + bool assignment_target = false; + bool r_gl_pervertex = false; + bool r_gl_position = false; + bool r_position_z_assigned = false; + +public: + void apply(Stage &, const Features &); + +private: + virtual void visit(VariableReference &); + virtual void visit(MemberAccess &); + virtual void visit(Swizzle &); + virtual void visit(Assignment &); + virtual void visit(FunctionDeclaration &); +}; + /** Generates default precision declarations or removes precision declarations according to the requirements of the target API. */ class PrecisionConverter: private TraversingVisitor @@ -117,14 +142,12 @@ private: bool supports_stage(Stage::Type) const; bool supports_unified_interface_syntax() const; virtual void visit(VariableReference &); - virtual void visit(InterfaceBlockReference &); virtual void visit(MemberAccess &); virtual void visit(Assignment &); bool supports_unified_sampling_functions() const; virtual void visit(FunctionCall &); - virtual void visit(VariableDeclaration &); bool supports_interface_blocks(const std::string &) const; - virtual void visit(InterfaceBlock &); + virtual void visit(VariableDeclaration &); }; /** Converts qualifiers on variables and blocksto match a particular set of @@ -142,9 +165,8 @@ private: bool supports_sample_sampling() const; bool supports_uniform_location() const; bool supports_binding() const; - virtual void visit(VariableDeclaration &); bool supports_interface_block_location() const; - virtual void visit(InterfaceBlock &); + virtual void visit(VariableDeclaration &); }; } // namespace SL