1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/*************************************************************
* *
* file : NV_register_combiners.h *
* author: Jens Schneider *
* date : 12.Mar.2001-04.Jul.2001 *
* e-mail: jens@glHint.de *
* *
* version 2.0ß *
* *
*************************************************************/
#ifndef __NV_register_combiners_H_
#define __NV_register_combiners_H_
/*
* GLOBAL SWITCHES - enable/disable advanced features of this header
*
*/
#define NV_REGISTER_COMBINERS_INITIALIZE 1 // enable generic init-routines
#ifndef _WIN32
#define GL_GLEXT_PROTOTYPES 1
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#ifndef APIENTRY
#define APIENTRY
#endif
// Header file version number, required by OpenGL ABI for Linux
#define GL_GLEXT_VERSION 7
/*
* NEW TOKENS TO OPENGL 1.2.1
*
*/
#ifndef GL_NV_register_combiners
#define GL_REGISTER_COMBINERS_NV 0x8522
#define GL_COMBINER0_NV 0x8550
#define GL_COMBINER1_NV 0x8551
#define GL_COMBINER2_NV 0x8552
#define GL_COMBINER3_NV 0x8553
#define GL_COMBINER4_NV 0x8554
#define GL_COMBINER5_NV 0x8555
#define GL_COMBINER6_NV 0x8556
#define GL_COMBINER7_NV 0x8557
#define GL_VARIABLE_A_NV 0x8523
#define GL_VARIABLE_B_NV 0x8524
#define GL_VARIABLE_C_NV 0x8525
#define GL_VARIABLE_D_NV 0x8526
#define GL_VARIABLE_E_NV 0x8527
#define GL_VARIABLE_F_NV 0x8528
#define GL_VARIABLE_G_NV 0x8529
#define GL_CONSTANT_COLOR0_NV 0x852A
#define GL_CONSTANT_COLOR1_NV 0x852B
#define GL_PRIMARY_COLOR_NV 0x852C
#define GL_SECONDARY_COLOR_NV 0x852D
#define GL_SPARE0_NV 0x852E
#define GL_SPARE1_NV 0x852F
#define GL_UNSIGNED_IDENTITY_NV 0x8536
#define GL_UNSIGNED_INVERT_NV 0x8537
#define GL_EXPAND_NORMAL_NV 0x8538
#define GL_EXPAND_NEGATE_NV 0x8539
#define GL_HALF_BIAS_NORMAL_NV 0x853A
#define GL_HALF_BIAS_NEGATE_NV 0x853B
#define GL_SIGNED_IDENTITY_NV 0x853C
#define GL_SIGNED_NEGATE_NV 0x853D
#define GL_E_TIMES_F_NV 0x8531
#define GL_SPARE0_PLUS_SECONDARY_COLOR_NV 0x8532
#define GL_SCALE_BY_TWO_NV 0x853E
#define GL_SCALE_BY_FOUR_NV 0x853F
#define GL_SCALE_BY_ONE_HALF_NV 0x8540
#define GL_BIAS_BY_NEGATIVE_ONE_HALF_NV 0x8541
#define GL_DISCARD_NV 0x8530
#define GL_COMBINER_INPUT_NV 0x8542
#define GL_COMBINER_MAPPING_NV 0x8543
#define GL_COMBINER_COMPONENT_USAGE_NV 0x8544
#define GL_COMBINER_AB_DOT_PRODUCT_NV 0x8545
#define GL_COMBINER_CD_DOT_PRODUCT_NV 0x8546
#define GL_COMBINER_MUX_SUM_NV 0x8547
#define GL_COMBINER_SCALE_NV 0x8548
#define GL_COMBINER_BIAS_NV 0x8549
#define GL_COMBINER_AB_OUTPUT_NV 0x854A
#define GL_COMBINER_CD_OUTPUT_NV 0x854B
#define GL_COMBINER_SUM_OUTPUT_NV 0x854C
#define GL_NUM_GENERAL_COMBINERS_NV 0x854E
#define GL_COLOR_SUM_CLAMP_NV 0x854F
#define GL_MAX_GENERAL_COMBINERS_NV 0x854D
#define GL_NV_register_combiners 1
#endif
#ifndef _WIN32
#ifdef GL_GLEXT_PROTOTYPES
extern void APIENTRY glCombinerParameterfvNV(GLenum, const GLfloat *);
extern void APIENTRY glCombinerParameterivNV(GLenum, const GLint *);
extern void APIENTRY glCombinerParameterfNV (GLenum, GLfloat);
extern void APIENTRY glCombinerParameteriNV (GLenum, GLint);
extern void APIENTRY glCombinerInputNV (GLenum, GLenum, GLenum, GLenum, GLenum, GLenum);
extern void APIENTRY glCombinerOutputNV (GLenum, GLenum, GLenum, GLenum, GLenum, GLenum, GLenum, GLboolean, GLboolean, GLboolean);
extern void APIENTRY glFinalCombinerInputNV (GLenum, GLenum, GLenum, GLenum);
extern void APIENTRY glGetCombinerInputParameterfvNV (GLenum, GLenum, GLenum, GLenum, GLfloat *);
extern void APIENTRY glGetCombinerInputParameterivNV (GLenum, GLenum, GLenum, GLenum, GLint *);
extern void APIENTRY glGetCombinerOutputParameterfvNV(GLenum, GLenum, GLenum, GLfloat *);
extern void APIENTRY glGetCombinerOutputParameterivNV(GLenum, GLenum, GLenum, GLint *);
extern void APIENTRY glGetFinalCombinerInputParameterfvNV(GLenum, GLenum, GLfloat *);
extern void APIENTRY glGetFinalCombinerInputParameterivNV(GLenum, GLenum, GLint *);
#endif // GL_GLEXT_PROTOTYPES
#else // _WIN32
typedef void (APIENTRY * PFNGLCOMBINERPARAMETERFVNVPROC) (GLenum pname, const GLfloat *params);
typedef void (APIENTRY * PFNGLCOMBINERPARAMETERIVNVPROC) (GLenum pname, const GLint *params);
typedef void (APIENTRY * PFNGLCOMBINERPARAMETERFNVPROC) (GLenum pname, GLfloat param);
typedef void (APIENTRY * PFNGLCOMBINERPARAMETERINVPROC) (GLenum pname, GLint param);
typedef void (APIENTRY * PFNGLCOMBINERINPUTNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);
typedef void (APIENTRY * PFNGLCOMBINEROUTPUTNVPROC) (GLenum stage, GLenum portion, GLenum abOutput, GLenum cdOutput, GLenum sumOutput, GLenum scale, GLenum bias, GLboolean abDotProduct, GLboolean cdDotProduct, GLboolean muxSum);
typedef void (APIENTRY * PFNGLFINALCOMBINERINPUTNVPROC) (GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);
typedef void (APIENTRY * PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum pname, GLfloat *params);
typedef void (APIENTRY * PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum pname, GLint *params);
typedef void (APIENTRY * PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC)(GLenum stage, GLenum portion, GLenum pname, GLfloat *params);
typedef void (APIENTRY * PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC)(GLenum stage, GLenum portion, GLenum pname, GLint *params);
typedef void (APIENTRY * PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC)(GLenum variable, GLenum pname, GLfloat *params);
typedef void (APIENTRY * PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC)(GLenum variable, GLenum pname, GLint *params);
#endif // not _WIN32
#ifdef NV_REGISTER_COMBINERS_INITIALIZE
#include<string.h> // string manipulation for runtime-check
#ifdef _WIN32
PFNGLCOMBINERPARAMETERFVNVPROC glCombinerParameterfvNV = NULL;
PFNGLCOMBINERPARAMETERIVNVPROC glCombinerParameterivNV = NULL;
PFNGLCOMBINERPARAMETERFNVPROC glCombinerParameterfNV = NULL;
PFNGLCOMBINERPARAMETERINVPROC glCombinerParameteriNV = NULL;
PFNGLCOMBINERINPUTNVPROC glCombinerInputNV = NULL;
PFNGLCOMBINEROUTPUTNVPROC glCombinerOutputNV = NULL;
PFNGLFINALCOMBINERINPUTNVPROC glFinalCombinerInputNV = NULL;
PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC glGetCombinerInputParameterfvNV = NULL;
PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC glGetCombinerInputParameterivNV = NULL;
PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC glGetCombinerOutputParameterfvNV = NULL;
PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC glGetCombinerOutputParameterivNV = NULL;
PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC glGetFinalCombinerInputParameterfvNV = NULL;
PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC glGetFinalCombinerInputParameterivNV = NULL;
#endif // _WIN32
int CheckForNVRegisterCombinersSupport(void) {
const char search[]="GL_NV_register_combiners";
int i, pos=0;
int maxpos=strlen(search)-1;
char extensions[10000];
strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS));
int len=strlen(extensions);
for (i=0; i<len; i++) {
if ((i==0) || ((i>1) && extensions[i-1]==' ')) {
pos=0;
while(extensions[i]!=' ') {
if (extensions[i]==search[pos]) pos++;
if ((pos>maxpos) && extensions[i+1]==' ') {
//printf(search);
// printf(" supported.\n");
return 1;
}
i++;
}
}
}
//printf(search);
//printf(" not supported.\n");
return 0;
}
int GL_NV_register_combiners_Init(void) {
if (!CheckForNVRegisterCombinersSupport()) return 0;
#ifdef _WIN32
glCombinerParameterfvNV=(PFNGLCOMBINERPARAMETERFVNVPROC) wglGetProcAddress("glCombinerParameterfvNV");
if (glCombinerParameterfvNV==NULL) {fprintf(stderr,"glCombinerParameterfvNV not found.\n"); return 0;}
glCombinerParameterivNV=(PFNGLCOMBINERPARAMETERIVNVPROC) wglGetProcAddress("glCombinerParameterivNV");
if (glCombinerParameterivNV==NULL) {fprintf(stderr,"glCombinerParameterivNV not found.\n"); return 0;}
glCombinerParameterfNV=(PFNGLCOMBINERPARAMETERFNVPROC) wglGetProcAddress("glCombinerParameterfNV");
if (glCombinerParameterfvNV==NULL) {fprintf(stderr,"glCombinerParameterfNV not found.\n"); return 0;}
glCombinerParameteriNV=(PFNGLCOMBINERPARAMETERINVPROC) wglGetProcAddress("glCombinerParameteriNV");
if (glCombinerParameterivNV==NULL) {fprintf(stderr,"glCombinerParameteriNV not found.\n"); return 0;}
glCombinerInputNV=(PFNGLCOMBINERINPUTNVPROC) wglGetProcAddress("glCombinerInputNV");
if (glCombinerInputNV==NULL) {fprintf(stderr,"glCombinerInputNV not found.\n"); return 0;}
glCombinerOutputNV=(PFNGLCOMBINEROUTPUTNVPROC) wglGetProcAddress("glCombinerOutputNV");
if (glCombinerOutputNV==NULL) {fprintf(stderr,"glCombinerOutputNV not found.\n"); return 0;}
glFinalCombinerInputNV=(PFNGLFINALCOMBINERINPUTNVPROC) wglGetProcAddress("glFinalCombinerInputNV");
if (glFinalCombinerInputNV==NULL) {fprintf(stderr,"glFinalCombinerInputNV not found.\n"); return 0;}
glGetCombinerInputParameterfvNV=(PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC) wglGetProcAddress("glGetCombinerInputParameterfvNV");
if (glGetCombinerInputParameterfvNV==NULL) {fprintf(stderr,"glGetCombinerInputParameterfvNV not found.\n"); return 0;}
glGetCombinerInputParameterivNV=(PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC) wglGetProcAddress("glGetCombinerInputParameterivNV");
if (glGetCombinerInputParameterivNV==NULL) {fprintf(stderr,"glGetCombinerInputParameterivNV not found.\n"); return 0;}
glGetCombinerOutputParameterfvNV=(PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC) wglGetProcAddress("glGetCombinerOutputParameterfvNV");
if (glGetCombinerOutputParameterfvNV==NULL) {fprintf(stderr,"glGetCombinerOutputParameterfvNV not found.\n"); return 0;}
glGetCombinerOutputParameterivNV=(PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC) wglGetProcAddress("glGetCombinerOutputParameterivNV");
if (glGetCombinerOutputParameterivNV==NULL) {fprintf(stderr,"glGetCombinerOutputParameterivNV not found.\n"); return 0;}
glGetFinalCombinerInputParameterfvNV=(PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC) wglGetProcAddress("glGetFinalCombinerInputParameterfvNV");
if (glGetFinalCombinerInputParameterfvNV==NULL) {fprintf(stderr,"glGetFinalCombinerInputParameterfvNV not found.\n"); return 0;}
glGetFinalCombinerInputParameterivNV=(PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC) wglGetProcAddress("glGetFinalCombinerInputParameterivNV");
if (glGetFinalCombinerInputParameterivNV==NULL) {fprintf(stderr,"glGetFinalCombinerInputParameterivNV not found.\n"); return 0;}
#endif // _WIN32
return 1;
}
#endif // NV_REGISTER_COMBINERS_INITIALIZE
#ifdef __cplusplus
}
#endif
#endif // not __NV_REGISTER_COMBINERS_H_
|
