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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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219 lines
12 KiB
C
219 lines
12 KiB
C
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/*************************************************************
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* *
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* file : NV_register_combiners.h *
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* author: Jens Schneider *
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* date : 12.Mar.2001-04.Jul.2001 *
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* e-mail: jens@glHint.de *
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* *
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* version 2.0<EFBFBD> *
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* *
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*************************************************************/
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#ifndef __NV_register_combiners_H_
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#define __NV_register_combiners_H_
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/*
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* GLOBAL SWITCHES - enable/disable advanced features of this header
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*
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*/
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#define NV_REGISTER_COMBINERS_INITIALIZE 1 // enable generic init-routines
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#ifndef _WIN32
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#define GL_GLEXT_PROTOTYPES 1
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__)
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#define WIN32_LEAN_AND_MEAN 1
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#include <windows.h>
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#endif
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#ifndef APIENTRY
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#define APIENTRY
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#endif
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// Header file version number, required by OpenGL ABI for Linux
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//#define GL_GLEXT_VERSION 7
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/*
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* NEW TOKENS TO OPENGL 1.2.1
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*
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*/
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#ifndef GL_NV_register_combiners
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#define GL_REGISTER_COMBINERS_NV 0x8522
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#define GL_COMBINER0_NV 0x8550
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#define GL_COMBINER1_NV 0x8551
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#define GL_COMBINER2_NV 0x8552
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#define GL_COMBINER3_NV 0x8553
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#define GL_COMBINER4_NV 0x8554
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#define GL_COMBINER5_NV 0x8555
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#define GL_COMBINER6_NV 0x8556
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#define GL_COMBINER7_NV 0x8557
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#define GL_VARIABLE_A_NV 0x8523
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#define GL_VARIABLE_B_NV 0x8524
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#define GL_VARIABLE_C_NV 0x8525
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#define GL_VARIABLE_D_NV 0x8526
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#define GL_VARIABLE_E_NV 0x8527
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#define GL_VARIABLE_F_NV 0x8528
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#define GL_VARIABLE_G_NV 0x8529
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#define GL_CONSTANT_COLOR0_NV 0x852A
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#define GL_CONSTANT_COLOR1_NV 0x852B
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#define GL_PRIMARY_COLOR_NV 0x852C
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#define GL_SECONDARY_COLOR_NV 0x852D
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#define GL_SPARE0_NV 0x852E
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#define GL_SPARE1_NV 0x852F
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#define GL_UNSIGNED_IDENTITY_NV 0x8536
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#define GL_UNSIGNED_INVERT_NV 0x8537
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#define GL_EXPAND_NORMAL_NV 0x8538
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#define GL_EXPAND_NEGATE_NV 0x8539
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#define GL_HALF_BIAS_NORMAL_NV 0x853A
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#define GL_HALF_BIAS_NEGATE_NV 0x853B
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#define GL_SIGNED_IDENTITY_NV 0x853C
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#define GL_SIGNED_NEGATE_NV 0x853D
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#define GL_E_TIMES_F_NV 0x8531
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#define GL_SPARE0_PLUS_SECONDARY_COLOR_NV 0x8532
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#define GL_SCALE_BY_TWO_NV 0x853E
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#define GL_SCALE_BY_FOUR_NV 0x853F
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#define GL_SCALE_BY_ONE_HALF_NV 0x8540
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#define GL_BIAS_BY_NEGATIVE_ONE_HALF_NV 0x8541
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#define GL_DISCARD_NV 0x8530
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#define GL_COMBINER_INPUT_NV 0x8542
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#define GL_COMBINER_MAPPING_NV 0x8543
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#define GL_COMBINER_COMPONENT_USAGE_NV 0x8544
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#define GL_COMBINER_AB_DOT_PRODUCT_NV 0x8545
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#define GL_COMBINER_CD_DOT_PRODUCT_NV 0x8546
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#define GL_COMBINER_MUX_SUM_NV 0x8547
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#define GL_COMBINER_SCALE_NV 0x8548
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#define GL_COMBINER_BIAS_NV 0x8549
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#define GL_COMBINER_AB_OUTPUT_NV 0x854A
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#define GL_COMBINER_CD_OUTPUT_NV 0x854B
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#define GL_COMBINER_SUM_OUTPUT_NV 0x854C
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#define GL_NUM_GENERAL_COMBINERS_NV 0x854E
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#define GL_COLOR_SUM_CLAMP_NV 0x854F
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#define GL_MAX_GENERAL_COMBINERS_NV 0x854D
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#define GL_NV_register_combiners 1
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#endif
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#ifndef _WIN32
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#ifdef GL_GLEXT_PROTOTYPES
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extern void APIENTRY glCombinerParameterfvNV(GLenum, const GLfloat *);
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extern void APIENTRY glCombinerParameterivNV(GLenum, const GLint *);
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extern void APIENTRY glCombinerParameterfNV (GLenum, GLfloat);
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extern void APIENTRY glCombinerParameteriNV (GLenum, GLint);
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extern void APIENTRY glCombinerInputNV (GLenum, GLenum, GLenum, GLenum, GLenum, GLenum);
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extern void APIENTRY glCombinerOutputNV (GLenum, GLenum, GLenum, GLenum, GLenum, GLenum, GLenum, GLboolean, GLboolean, GLboolean);
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extern void APIENTRY glFinalCombinerInputNV (GLenum, GLenum, GLenum, GLenum);
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extern void APIENTRY glGetCombinerInputParameterfvNV (GLenum, GLenum, GLenum, GLenum, GLfloat *);
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extern void APIENTRY glGetCombinerInputParameterivNV (GLenum, GLenum, GLenum, GLenum, GLint *);
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extern void APIENTRY glGetCombinerOutputParameterfvNV(GLenum, GLenum, GLenum, GLfloat *);
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extern void APIENTRY glGetCombinerOutputParameterivNV(GLenum, GLenum, GLenum, GLint *);
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extern void APIENTRY glGetFinalCombinerInputParameterfvNV(GLenum, GLenum, GLfloat *);
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extern void APIENTRY glGetFinalCombinerInputParameterivNV(GLenum, GLenum, GLint *);
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#endif // GL_GLEXT_PROTOTYPES
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#else // _WIN32
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typedef void (APIENTRY * PFNGLCOMBINERPARAMETERFVNVPROC) (GLenum pname, const GLfloat *params);
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typedef void (APIENTRY * PFNGLCOMBINERPARAMETERIVNVPROC) (GLenum pname, const GLint *params);
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typedef void (APIENTRY * PFNGLCOMBINERPARAMETERFNVPROC) (GLenum pname, GLfloat param);
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typedef void (APIENTRY * PFNGLCOMBINERPARAMETERINVPROC) (GLenum pname, GLint param);
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typedef void (APIENTRY * PFNGLCOMBINERINPUTNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);
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typedef void (APIENTRY * PFNGLCOMBINEROUTPUTNVPROC) (GLenum stage, GLenum portion, GLenum abOutput, GLenum cdOutput, GLenum sumOutput, GLenum scale, GLenum bias, GLboolean abDotProduct, GLboolean cdDotProduct, GLboolean muxSum);
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typedef void (APIENTRY * PFNGLFINALCOMBINERINPUTNVPROC) (GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);
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typedef void (APIENTRY * PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum pname, GLfloat *params);
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typedef void (APIENTRY * PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum pname, GLint *params);
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typedef void (APIENTRY * PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC)(GLenum stage, GLenum portion, GLenum pname, GLfloat *params);
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typedef void (APIENTRY * PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC)(GLenum stage, GLenum portion, GLenum pname, GLint *params);
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typedef void (APIENTRY * PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC)(GLenum variable, GLenum pname, GLfloat *params);
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typedef void (APIENTRY * PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC)(GLenum variable, GLenum pname, GLint *params);
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#endif // not _WIN32
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#ifdef NV_REGISTER_COMBINERS_INITIALIZE
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#include<string.h> // string manipulation for runtime-check
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#ifdef _WIN32
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PFNGLCOMBINERPARAMETERFVNVPROC glCombinerParameterfvNV = NULL;
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PFNGLCOMBINERPARAMETERIVNVPROC glCombinerParameterivNV = NULL;
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PFNGLCOMBINERPARAMETERFNVPROC glCombinerParameterfNV = NULL;
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PFNGLCOMBINERPARAMETERINVPROC glCombinerParameteriNV = NULL;
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PFNGLCOMBINERINPUTNVPROC glCombinerInputNV = NULL;
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PFNGLCOMBINEROUTPUTNVPROC glCombinerOutputNV = NULL;
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PFNGLFINALCOMBINERINPUTNVPROC glFinalCombinerInputNV = NULL;
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PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC glGetCombinerInputParameterfvNV = NULL;
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PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC glGetCombinerInputParameterivNV = NULL;
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PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC glGetCombinerOutputParameterfvNV = NULL;
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PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC glGetCombinerOutputParameterivNV = NULL;
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PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC glGetFinalCombinerInputParameterfvNV = NULL;
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PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC glGetFinalCombinerInputParameterivNV = NULL;
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#endif // _WIN32
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int CheckForNVRegisterCombinersSupport(void) {
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const char search[]="GL_NV_register_combiners";
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int i, pos=0;
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int maxpos=strlen(search)-1;
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char extensions[10000];
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strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS));
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int len=strlen(extensions);
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for (i=0; i<len; i++) {
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if ((i==0) || ((i>1) && extensions[i-1]==' ')) {
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pos=0;
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while(extensions[i]!=' ') {
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if (extensions[i]==search[pos]) pos++;
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if ((pos>maxpos) && extensions[i+1]==' ') {
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//printf(search);
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// printf(" supported.\n");
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return 1;
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}
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i++;
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}
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}
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}
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//printf(search);
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//printf(" not supported.\n");
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return 0;
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}
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int GL_NV_register_combiners_Init(void) {
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if (!CheckForNVRegisterCombinersSupport()) return 0;
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#ifdef _WIN32
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glCombinerParameterfvNV=(PFNGLCOMBINERPARAMETERFVNVPROC) wglGetProcAddress("glCombinerParameterfvNV");
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if (glCombinerParameterfvNV==NULL) {fprintf(stderr,"glCombinerParameterfvNV not found.\n"); return 0;}
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glCombinerParameterivNV=(PFNGLCOMBINERPARAMETERIVNVPROC) wglGetProcAddress("glCombinerParameterivNV");
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if (glCombinerParameterivNV==NULL) {fprintf(stderr,"glCombinerParameterivNV not found.\n"); return 0;}
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glCombinerParameterfNV=(PFNGLCOMBINERPARAMETERFNVPROC) wglGetProcAddress("glCombinerParameterfNV");
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if (glCombinerParameterfvNV==NULL) {fprintf(stderr,"glCombinerParameterfNV not found.\n"); return 0;}
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glCombinerParameteriNV=(PFNGLCOMBINERPARAMETERINVPROC) wglGetProcAddress("glCombinerParameteriNV");
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if (glCombinerParameterivNV==NULL) {fprintf(stderr,"glCombinerParameteriNV not found.\n"); return 0;}
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glCombinerInputNV=(PFNGLCOMBINERINPUTNVPROC) wglGetProcAddress("glCombinerInputNV");
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if (glCombinerInputNV==NULL) {fprintf(stderr,"glCombinerInputNV not found.\n"); return 0;}
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glCombinerOutputNV=(PFNGLCOMBINEROUTPUTNVPROC) wglGetProcAddress("glCombinerOutputNV");
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if (glCombinerOutputNV==NULL) {fprintf(stderr,"glCombinerOutputNV not found.\n"); return 0;}
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glFinalCombinerInputNV=(PFNGLFINALCOMBINERINPUTNVPROC) wglGetProcAddress("glFinalCombinerInputNV");
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if (glFinalCombinerInputNV==NULL) {fprintf(stderr,"glFinalCombinerInputNV not found.\n"); return 0;}
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glGetCombinerInputParameterfvNV=(PFNGLGETCOMBINERINPUTPARAMETERFVNVPROC) wglGetProcAddress("glGetCombinerInputParameterfvNV");
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if (glGetCombinerInputParameterfvNV==NULL) {fprintf(stderr,"glGetCombinerInputParameterfvNV not found.\n"); return 0;}
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glGetCombinerInputParameterivNV=(PFNGLGETCOMBINERINPUTPARAMETERIVNVPROC) wglGetProcAddress("glGetCombinerInputParameterivNV");
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if (glGetCombinerInputParameterivNV==NULL) {fprintf(stderr,"glGetCombinerInputParameterivNV not found.\n"); return 0;}
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glGetCombinerOutputParameterfvNV=(PFNGLGETCOMBINEROUTPUTPARAMETERFVNVPROC) wglGetProcAddress("glGetCombinerOutputParameterfvNV");
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if (glGetCombinerOutputParameterfvNV==NULL) {fprintf(stderr,"glGetCombinerOutputParameterfvNV not found.\n"); return 0;}
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glGetCombinerOutputParameterivNV=(PFNGLGETCOMBINEROUTPUTPARAMETERIVNVPROC) wglGetProcAddress("glGetCombinerOutputParameterivNV");
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if (glGetCombinerOutputParameterivNV==NULL) {fprintf(stderr,"glGetCombinerOutputParameterivNV not found.\n"); return 0;}
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glGetFinalCombinerInputParameterfvNV=(PFNGLGETFINALCOMBINERINPUTPARAMETERFVNVPROC) wglGetProcAddress("glGetFinalCombinerInputParameterfvNV");
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if (glGetFinalCombinerInputParameterfvNV==NULL) {fprintf(stderr,"glGetFinalCombinerInputParameterfvNV not found.\n"); return 0;}
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glGetFinalCombinerInputParameterivNV=(PFNGLGETFINALCOMBINERINPUTPARAMETERIVNVPROC) wglGetProcAddress("glGetFinalCombinerInputParameterivNV");
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if (glGetFinalCombinerInputParameterivNV==NULL) {fprintf(stderr,"glGetFinalCombinerInputParameterivNV not found.\n"); return 0;}
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#endif // _WIN32
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return 1;
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}
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#endif // NV_REGISTER_COMBINERS_INITIALIZE
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#ifdef __cplusplus
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}
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#endif
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#endif // not __NV_REGISTER_COMBINERS_H_
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