ACloudViewer  3.9.4
A Modern Library for 3D Data Processing
ProgramCG.h
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1 // File: ProgramCG.h
3 // Author: Changchang Wu
4 // Description : interface for the ProgramCG classes.
5 // ProgramCG: Cg programs
6 // ShaderBagCG: All Cg shaders for Sift in a bag
7 // FilterGLCG: Cg Gaussian Filters
8 //
9 // Copyright (c) 2007 University of North Carolina at Chapel Hill
10 // All Rights Reserved
11 //
12 // Permission to use, copy, modify and distribute this software and its
13 // documentation for educational, research and non-profit purposes, without
14 // fee, and without a written agreement is hereby granted, provided that the
15 // above copyright notice and the following paragraph appear in all copies.
16 //
17 // The University of North Carolina at Chapel Hill make no representations
18 // about the suitability of this software for any purpose. It is provided
19 // 'as is' without express or implied warranty.
20 //
21 // Please send BUG REPORTS to ccwu@cs.unc.edu
22 //
24 
25 
26 #if defined(CG_SIFTGPU_ENABLED)
27 
28 #ifndef _PROGRAM_CG_H
29 #define _PROGRAM_CG_H
30 
31 #include "ProgramGPU.h"
32 class FragmentProgram;
33 #include "Cg/cgGL.h"
34 
35 class ProgramCG:public ProgramGPU
36 {
37  CGprogram _programID;
38  CGprofile _profile;
39  int _valid;
40 public:
41  static CGcontext _Context;
42  static CGprofile _FProfile;
43 public:
44  operator CGprogram (){return _programID;}
45  CGprogram GetProgramID(){return _programID;}
46  int UseProgram();
47  int IsValidProgram(){return _programID && _valid;}
48  static void ErrorCallback();
49  static void InitContext();
50  static void DestroyContext();
51  ProgramCG(const char * code, const char** cg_compile_args= NULL, CGprofile profile = ProgramCG::_FProfile);
52  ProgramCG();
53  virtual ~ProgramCG();
54 
55 };
56 
57 class ShaderBagCG:public ShaderBag
58 {
59  CGparameter _param_dog_texu;
60  CGparameter _param_dog_texd;
61  CGparameter _param_genlist_start_tex0;
62  CGparameter _param_ftex_width;
63  CGparameter _param_genlist_step_tex;
64  CGparameter _param_genlist_step_tex0;
65  CGparameter _param_genvbo_size;
66  CGparameter _param_orientation_gtex;
67  CGparameter _param_orientation_stex;
68  CGparameter _param_orientation_size;
69  CGparameter _param_descriptor_gtex;
70  CGparameter _param_descriptor_size;
71  CGparameter _param_descriptor_dsize;
72  CGparameter _param_margin_copy_truncate;
73  CGparameter _param_genlist_init_bbox;
74 public:
75  virtual void LoadDescriptorShader();
76  void LoadDescriptorShaderF2();
77  static void WriteOrientationCodeToStream(ostream& out);
78  virtual void SetGenListInitParam(int w, int h);
79  virtual void SetMarginCopyParam(int xmax, int ymax);
80  virtual void SetFeatureOrientationParam(int gtex, int width, int height, float sigma, int stex = 0, float step = 1.0f);
81  virtual void SetFeatureDescirptorParam(int gtex, int otex, float dwidth, float fwidth, float width, float height, float sigma);
82  virtual void SetSimpleOrientationInput(int oTex, float sigma, float sigma_step);
83  void LoadOrientationShader();
84  virtual void SetGenListStartParam(float width, int tex0);
85  static ProgramCG* LoadGenListStepShader(int start, int step);
86  static ProgramCG* LoadGenListStepShaderV2(int start, int step);
87  void LoadGenListShader(int ndoglev, int nlev);
88  virtual void UnloadProgram();
89  virtual void SetDogTexParam(int texU, int texD);
90  virtual void SetGenListStepParam(int tex, int tex0);
91  virtual void SetGenVBOParam( float width, float fwidth, float size);
92  virtual void LoadFixedShaders();
93  virtual void LoadDisplayShaders();
94  virtual void LoadKeypointShader(float threshold, float edgeThreshold);
95  virtual int LoadKeypointShaderMR(float threshold, float edgeThreshold);
96  ShaderBagCG();
97  virtual ~ShaderBagCG(){}
98 };
99 
100 
101 class FilterGLCG : public FilterProgram
102 {
103 private:
104  ProgramGPU* CreateFilterH(float kernel[], float offset[], int width);
105  ProgramGPU* CreateFilterV(float kernel[], float offset[], int height);
106  //packed version
107  ProgramGPU* CreateFilterHPK(float kernel[], float offset[], int width);
108  ProgramGPU* CreateFilterVPK(float kernel[], float offset[], int height);
109 };
110 
111 class ShaderBagPKCG:public ShaderBag
112 {
113 private:
114  CGparameter _param_dog_texu;
115  CGparameter _param_dog_texd;
116  CGparameter _param_margin_copy_truncate;
117  CGparameter _param_grad_pass_texp;
118  CGparameter _param_genlist_init_bbox;
119  CGparameter _param_genlist_start_tex0;
120  CGparameter _param_ftex_width;
121  CGparameter _param_genlist_step_tex;
122  CGparameter _param_genlist_step_tex0;
123  CGparameter _param_genlist_end_ktex;
124  CGparameter _param_genvbo_size;
125  CGparameter _param_orientation_gtex;
126  CGparameter _param_orientation_otex;
127  CGparameter _param_orientation_size;
128  CGparameter _param_descriptor_gtex;
129  CGparameter _param_descriptor_otex;
130  CGparameter _param_descriptor_size;
131  CGparameter _param_descriptor_dsize;
132 
133 public:
134  ShaderBagPKCG();
135  virtual ~ShaderBagPKCG(){}
136  virtual void LoadDescriptorShader();
137  virtual void LoadDescriptorShaderF2();
138  virtual void LoadOrientationShader();
139  virtual void LoadGenListShader(int ndoglev, int nlev);
140  virtual void LoadGenListShaderV2(int ndoglev, int nlev);
141  virtual void UnloadProgram() ;
142  virtual void LoadKeypointShader(float threshold, float edgeTrheshold);
143  virtual void LoadFixedShaders();
144  virtual void LoadDisplayShaders();
145  virtual void SetGradPassParam(int texP);
146  virtual void SetGenListEndParam(int ktex);
147 public:
148  //parameters
149  virtual void SetGenListStartParam(float width, int tex0);
150  virtual void SetGenListInitParam(int w, int h);
151  virtual void SetMarginCopyParam(int xmax, int ymax);
152  virtual void SetDogTexParam(int texU, int texD);
153  virtual void SetGenListStepParam(int tex, int tex0);
154  virtual void SetGenVBOParam( float width, float fwidth, float size);
155  virtual void SetFeatureDescirptorParam(int gtex, int otex, float dwidth, float fwidth, float width, float height, float sigma);
156  virtual void SetFeatureOrientationParam(int gtex, int width, int height, float sigma, int stex, float step);
157  virtual void SetSimpleOrientationInput(int oTex, float sigma, float sigma_step);
158 };
159 #endif
160 #endif
161 
width
int width
Definition: FileIOFactory.cpp:142
size
int size
Definition: FileIOFactory.cpp:130
height
int height
Definition: FileIOFactory.cpp:143
offset
int offset
Definition: FileIOFactory.cpp:135
profile
CloudViewerScene::LightingProfile profile
Definition: O3DVisualizer.cpp:271
NULL
#define NULL
Definition: UVUnwrapping.cpp:40
ProgramGPU::GetProgramID
virtual void * GetProgramID()=0
ProgramGPU::UseProgram
virtual int UseProgram()=0
ShaderBag::LoadGenListShader
virtual void LoadGenListShader(int ndoglev, int nlev)=0
ShaderBag::LoadFixedShaders
virtual void LoadFixedShaders()=0
ShaderBag::LoadOrientationShader
virtual void LoadOrientationShader()=0
ShaderBag::SetGenListStepParam
virtual void SetGenListStepParam(int tex, int tex0)=0
ShaderBag::SetSimpleOrientationInput
virtual void SetSimpleOrientationInput(int oTex, float sigma, float sigma_step)
Definition: ProgramGLSL.h:153
ShaderBag::SetGenVBOParam
virtual void SetGenVBOParam(float width, float fwidth, float size)=0
ShaderBag::LoadDescriptorShader
virtual void LoadDescriptorShader()
Definition: ProgramGLSL.h:150
ShaderBag::SetGradPassParam
virtual void SetGradPassParam(int texP=0)
Definition: ProgramGLSL.h:162
ShaderBag::SetGenListInitParam
virtual void SetGenListInitParam(int w, int h)
Definition: ProgramGLSL.h:147
ShaderBag::SetMarginCopyParam
virtual void SetMarginCopyParam(int xmax, int ymax)
Definition: ProgramGLSL.h:149
ShaderBag::LoadKeypointShader
virtual void LoadKeypointShader(float threshold, float edgeTrheshold)=0
ShaderBag::SetDogTexParam
virtual void SetDogTexParam(int texU, int texD)=0
ShaderBag::SetFeatureOrientationParam
virtual void SetFeatureOrientationParam(int gtex, int width, int height, float sigma, int stex, float step)
Definition: ProgramGLSL.h:152
ShaderBag::SetGenListEndParam
virtual void SetGenListEndParam(int ktex)
Definition: ProgramGLSL.h:148
ShaderBag::UnloadProgram
virtual void UnloadProgram()=0
ShaderBag::SetGenListStartParam
virtual void SetGenListStartParam(float width, int tex0)=0
ShaderBag::LoadDisplayShaders
virtual void LoadDisplayShaders()=0
ShaderBag::SetFeatureDescirptorParam
virtual void SetFeatureDescirptorParam(int gtex, int otex, float dwidth, float fwidth, float width, float height, float sigma)
Definition: ProgramGLSL.h:151