Panda3D
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00001 // Filename: shaderInput.h 00002 // Created by: jyelon (01Sep05) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef SHADERINPUT_H 00016 #define SHADERINPUT_H 00017 00018 #include "pandabase.h" 00019 #include "typedWritableReferenceCount.h" 00020 #include "pointerTo.h" 00021 #include "nodePath.h" 00022 #include "texture.h" 00023 #include "internalName.h" 00024 00025 //////////////////////////////////////////////////////////////////// 00026 // Class : ShaderInput 00027 // Description : This is a small container class that can hold any 00028 // one of the value types that can be passed as input 00029 // to a shader. 00030 //////////////////////////////////////////////////////////////////// 00031 00032 class EXPCL_PANDA_PGRAPH ShaderInput: public TypedWritableReferenceCount { 00033 public: 00034 INLINE ~ShaderInput(); 00035 00036 PUBLISHED: 00037 static const ShaderInput *get_blank(); 00038 INLINE ShaderInput(InternalName *id, int priority=0); 00039 INLINE ShaderInput(InternalName *id, const NodePath &np, int priority=0); 00040 INLINE ShaderInput(InternalName *id, const LVector4f &v, int priority=0); 00041 INLINE ShaderInput(InternalName *id, Texture *tex, int priority=0); 00042 00043 enum ShaderInputType { 00044 M_invalid = 0, 00045 M_texture, 00046 M_nodepath, 00047 M_vector 00048 }; 00049 00050 INLINE InternalName *get_name() const; 00051 00052 INLINE int get_value_type() const; 00053 INLINE int get_priority() const; 00054 INLINE Texture *get_texture() const; 00055 INLINE const NodePath &get_nodepath() const; 00056 INLINE const LVector4f &get_vector() const; 00057 00058 public: 00059 static void register_with_read_factory(); 00060 00061 private: 00062 PT(InternalName) _name; 00063 int _type; 00064 int _priority; 00065 PT(Texture) _stored_texture; 00066 NodePath _stored_nodepath; 00067 LVector4f _stored_vector; 00068 00069 public: 00070 static TypeHandle get_class_type() { 00071 return _type_handle; 00072 } 00073 static void init_type() { 00074 ReferenceCount::init_type(); 00075 register_type(_type_handle, "ShaderInput", 00076 TypedWritableReferenceCount::get_class_type()); 00077 } 00078 virtual TypeHandle get_type() const { 00079 return get_class_type(); 00080 } 00081 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00082 00083 private: 00084 static TypeHandle _type_handle; 00085 }; 00086 00087 00088 #include "shaderInput.I" 00089 00090 #endif // SHADERINPUT_H 00091