+++ /dev/null
-/*************************************************************
- * *
- * file : ARB_multitexture.h *
- * author: Jens Schneider *
- * date : 01.Mar.2001-10.Jul.2001 *
- * e-mail: jens@glHint.de *
- * *
- * version 1.0ß *
- * *
- *************************************************************/
-
-#ifndef __ARB_MULTITEXTURE_H_
-#define __ARB_MULTITEXTURE_H_
-
-/*
- * GLOBAL SWITCHES - enable/disable advanced features of this header
- *
- */
-#define ARB_MULTITEXTURE_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_ARB_multitexture
-#define GL_TEXTURE0_ARB 0x84C0
-#define GL_TEXTURE1_ARB 0x84C1
-#define GL_TEXTURE2_ARB 0x84C2
-#define GL_TEXTURE3_ARB 0x84C3
-#define GL_TEXTURE4_ARB 0x84C4
-#define GL_TEXTURE5_ARB 0x84C5
-#define GL_TEXTURE6_ARB 0x84C6
-#define GL_TEXTURE7_ARB 0x84C7
-#define GL_TEXTURE8_ARB 0x84C8
-#define GL_TEXTURE9_ARB 0x84C9
-#define GL_TEXTURE10_ARB 0x84CA
-#define GL_TEXTURE11_ARB 0x84CB
-#define GL_TEXTURE12_ARB 0x84CC
-#define GL_TEXTURE13_ARB 0x84CD
-#define GL_TEXTURE14_ARB 0x84CE
-#define GL_TEXTURE15_ARB 0x84CF
-#define GL_TEXTURE16_ARB 0x84D0
-#define GL_TEXTURE17_ARB 0x84D1
-#define GL_TEXTURE18_ARB 0x84D2
-#define GL_TEXTURE19_ARB 0x84D3
-#define GL_TEXTURE20_ARB 0x84D4
-#define GL_TEXTURE21_ARB 0x84D5
-#define GL_TEXTURE22_ARB 0x84D6
-#define GL_TEXTURE23_ARB 0x84D7
-#define GL_TEXTURE24_ARB 0x84D8
-#define GL_TEXTURE25_ARB 0x84D9
-#define GL_TEXTURE26_ARB 0x84DA
-#define GL_TEXTURE27_ARB 0x84DB
-#define GL_TEXTURE28_ARB 0x84DC
-#define GL_TEXTURE29_ARB 0x84DD
-#define GL_TEXTURE30_ARB 0x84DE
-#define GL_TEXTURE31_ARB 0x84DF
-#define GL_ACTIVE_TEXTURE_ARB 0x84E0
-#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
-#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
-#define GL_ARB_multitexture 1
-#endif
-
-#ifndef _WIN32
-#ifdef GL_GLEXT_PROTOTYPES
-extern void APIENTRY glActiveTextureARB (GLenum);
-extern void APIENTRY glClientActiveTextureARB (GLenum);
-extern void APIENTRY glMultiTexCoord1dARB (GLenum, GLdouble);
-extern void APIENTRY glMultiTexCoord1dvARB (GLenum, const GLdouble *);
-extern void APIENTRY glMultiTexCoord1fARB (GLenum, GLfloat);
-extern void APIENTRY glMultiTexCoord1fvARB (GLenum, const GLfloat *);
-extern void APIENTRY glMultiTexCoord1iARB (GLenum, GLint);
-extern void APIENTRY glMultiTexCoord1ivARB (GLenum, const GLint *);
-extern void APIENTRY glMultiTexCoord1sARB (GLenum, GLshort);
-extern void APIENTRY glMultiTexCoord1svARB (GLenum, const GLshort *);
-extern void APIENTRY glMultiTexCoord2dARB (GLenum, GLdouble, GLdouble);
-extern void APIENTRY glMultiTexCoord2dvARB (GLenum, const GLdouble *);
-extern void APIENTRY glMultiTexCoord2fARB (GLenum, GLfloat, GLfloat);
-extern void APIENTRY glMultiTexCoord2fvARB (GLenum, const GLfloat *);
-extern void APIENTRY glMultiTexCoord2iARB (GLenum, GLint, GLint);
-extern void APIENTRY glMultiTexCoord2ivARB (GLenum, const GLint *);
-extern void APIENTRY glMultiTexCoord2sARB (GLenum, GLshort, GLshort);
-extern void APIENTRY glMultiTexCoord2svARB (GLenum, const GLshort *);
-extern void APIENTRY glMultiTexCoord3dARB (GLenum, GLdouble, GLdouble, GLdouble);
-extern void APIENTRY glMultiTexCoord3dvARB (GLenum, const GLdouble *);
-extern void APIENTRY glMultiTexCoord3fARB (GLenum, GLfloat, GLfloat, GLfloat);
-extern void APIENTRY glMultiTexCoord3fvARB (GLenum, const GLfloat *);
-extern void APIENTRY glMultiTexCoord3iARB (GLenum, GLint, GLint, GLint);
-extern void APIENTRY glMultiTexCoord3ivARB (GLenum, const GLint *);
-extern void APIENTRY glMultiTexCoord3sARB (GLenum, GLshort, GLshort, GLshort);
-extern void APIENTRY glMultiTexCoord3svARB (GLenum, const GLshort *);
-extern void APIENTRY glMultiTexCoord4dARB (GLenum, GLdouble, GLdouble, GLdouble, GLdouble);
-extern void APIENTRY glMultiTexCoord4dvARB (GLenum, const GLdouble *);
-extern void APIENTRY glMultiTexCoord4fARB (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
-extern void APIENTRY glMultiTexCoord4fvARB (GLenum, const GLfloat *);
-extern void APIENTRY glMultiTexCoord4iARB (GLenum, GLint, GLint, GLint, GLint);
-extern void APIENTRY glMultiTexCoord4ivARB (GLenum, const GLint *);
-extern void APIENTRY glMultiTexCoord4sARB (GLenum, GLshort, GLshort, GLshort, GLshort);
-extern void APIENTRY glMultiTexCoord4svARB (GLenum, const GLshort *);
-#endif // GL_GLEXT_PROTOTYPES
-#else // not _WIN32
-typedef void (APIENTRY * PFNGLACTIVETEXTUREARBPROC) (GLenum texture);
-typedef void (APIENTRY * PFNGLCLIENTACTIVETEXTUREARBPROC) (GLenum texture);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1DARBPROC) (GLenum target, GLdouble s);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1DVARBPROC) (GLenum target, const GLdouble *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1FARBPROC) (GLenum target, GLfloat s);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1FVARBPROC) (GLenum target, const GLfloat *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1IARBPROC) (GLenum target, GLint s);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1IVARBPROC) (GLenum target, const GLint *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1SARBPROC) (GLenum target, GLshort s);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD1SVARBPROC) (GLenum target, const GLshort *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2DARBPROC) (GLenum target, GLdouble s, GLdouble t);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2DVARBPROC) (GLenum target, const GLdouble *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2FARBPROC) (GLenum target, GLfloat s, GLfloat t);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2FVARBPROC) (GLenum target, const GLfloat *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2IARBPROC) (GLenum target, GLint s, GLint t);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2IVARBPROC) (GLenum target, const GLint *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2SARBPROC) (GLenum target, GLshort s, GLshort t);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD2SVARBPROC) (GLenum target, const GLshort *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3DARBPROC) (GLenum target, GLdouble s, GLdouble t, GLdouble r);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3DVARBPROC) (GLenum target, const GLdouble *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3FARBPROC) (GLenum target, GLfloat s, GLfloat t, GLfloat r);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3FVARBPROC) (GLenum target, const GLfloat *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3IARBPROC) (GLenum target, GLint s, GLint t, GLint r);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3IVARBPROC) (GLenum target, const GLint *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3SARBPROC) (GLenum target, GLshort s, GLshort t, GLshort r);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD3SVARBPROC) (GLenum target, const GLshort *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4DARBPROC) (GLenum target, GLdouble s, GLdouble t, GLdouble r, GLdouble q);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4DVARBPROC) (GLenum target, const GLdouble *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4FARBPROC) (GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4FVARBPROC) (GLenum target, const GLfloat *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4IARBPROC) (GLenum target, GLint s, GLint t, GLint r, GLint q);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4IVARBPROC) (GLenum target, const GLint *v);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4SARBPROC) (GLenum target, GLshort s, GLshort t, GLshort r, GLshort q);
-typedef void (APIENTRY * PFNGLMULTITEXCOORD4SVARBPROC) (GLenum target, const GLshort *v);
-#endif // _WIN32
-
-#ifdef ARB_MULTITEXTURE_INITIALIZE
-#include<string.h> // string manipulation for runtime-check
-
-#ifdef _WIN32
-PFNGLACTIVETEXTUREARBPROC glActiveTextureARB = NULL;
-PFNGLCLIENTACTIVETEXTUREARBPROC glClientActiveTextureARB = NULL;
-PFNGLMULTITEXCOORD1DARBPROC glMultiTexCoord1dARB = NULL;
-PFNGLMULTITEXCOORD1DVARBPROC glMultiTexCoord1dvARB = NULL;
-PFNGLMULTITEXCOORD1FARBPROC glMultiTexCoord1fARB = NULL;
-PFNGLMULTITEXCOORD1FVARBPROC glMultiTexCoord1fvARB = NULL;
-PFNGLMULTITEXCOORD1IARBPROC glMultiTexCoord1iARB = NULL;
-PFNGLMULTITEXCOORD1IVARBPROC glMultiTexCoord1ivARB = NULL;
-PFNGLMULTITEXCOORD1SARBPROC glMultiTexCoord1sARB = NULL;
-PFNGLMULTITEXCOORD1SVARBPROC glMultiTexCoord1svARB = NULL;
-PFNGLMULTITEXCOORD2DARBPROC glMultiTexCoord2dARB = NULL;
-PFNGLMULTITEXCOORD2DVARBPROC glMultiTexCoord2dvARB = NULL;
-PFNGLMULTITEXCOORD2FARBPROC glMultiTexCoord2fARB = NULL;
-PFNGLMULTITEXCOORD2FVARBPROC glMultiTexCoord2fvARB = NULL;
-PFNGLMULTITEXCOORD2IARBPROC glMultiTexCoord2iARB = NULL;
-PFNGLMULTITEXCOORD2IVARBPROC glMultiTexCoord2ivARB = NULL;
-PFNGLMULTITEXCOORD2SARBPROC glMultiTexCoord2sARB = NULL;
-PFNGLMULTITEXCOORD2SVARBPROC glMultiTexCoord2svARB = NULL;
-PFNGLMULTITEXCOORD3DARBPROC glMultiTexCoord3dARB = NULL;
-PFNGLMULTITEXCOORD3DVARBPROC glMultiTexCoord3dvARB = NULL;
-PFNGLMULTITEXCOORD3FARBPROC glMultiTexCoord3fARB = NULL;
-PFNGLMULTITEXCOORD3FVARBPROC glMultiTexCoord3fvARB = NULL;
-PFNGLMULTITEXCOORD3IARBPROC glMultiTexCoord3iARB = NULL;
-PFNGLMULTITEXCOORD3IVARBPROC glMultiTexCoord3ivARB = NULL;
-PFNGLMULTITEXCOORD3SARBPROC glMultiTexCoord3sARB = NULL;
-PFNGLMULTITEXCOORD3SVARBPROC glMultiTexCoord3svARB = NULL;
-PFNGLMULTITEXCOORD4DARBPROC glMultiTexCoord4dARB = NULL;
-PFNGLMULTITEXCOORD4DVARBPROC glMultiTexCoord4dvARB = NULL;
-PFNGLMULTITEXCOORD4FARBPROC glMultiTexCoord4fARB = NULL;
-PFNGLMULTITEXCOORD4FVARBPROC glMultiTexCoord4fvARB = NULL;
-PFNGLMULTITEXCOORD4IARBPROC glMultiTexCoord4iARB = NULL;
-PFNGLMULTITEXCOORD4IVARBPROC glMultiTexCoord4ivARB = NULL;
-PFNGLMULTITEXCOORD4SARBPROC glMultiTexCoord4sARB = NULL;
-PFNGLMULTITEXCOORD4SVARBPROC glMultiTexCoord4svARB = NULL;
-#endif // _WIN32
-
-int CheckForARBMultitextureSupport(void) {
- const char search[]="GL_ARB_multitexture";
- int i, pos=0;
- int maxpos=strlen(search)-1;
- char extensions[10000];
- printf("Getting GLstring, context is %p\n", glXGetCurrentContext());
- strcpy(extensions,(const char *)glGetString(GL_EXTENSIONS));
- printf("Examinig GLstring\n");
- 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]==' ') {
- //if (debug)
- {
- //fprintf(stderr, search);
- //fprintf(stderr, " supported.\n");
- }
- return 1;
- }
- ++i;
- }
- }
- }
- //printf(search);
- //printf(" not supported.\n");
- return 0;
-}
-
-int GL_ARB_multitexture_Init(void) {
- if (!CheckForARBMultitextureSupport()) return 0;
-#ifdef _WIN32
- glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC) wglGetProcAddress("glActiveTextureARB");
- if (glActiveTextureARB==NULL) {fprintf(stderr,"glActiveTextureARB not found.\n"); return 0; }
- glClientActiveTextureARB = (PFNGLCLIENTACTIVETEXTUREARBPROC) wglGetProcAddress("glClientActiveTextureARB");
- if (glClientActiveTextureARB==NULL) {fprintf(stderr,"glClientActiveTextureARB not found.\n"); return 0; }
- glMultiTexCoord1dARB = (PFNGLMULTITEXCOORD1DARBPROC) wglGetProcAddress("glMultiTexCoord1dARB");
- if (glMultiTexCoord1dARB==NULL) {fprintf(stderr,"glMultiTexCoord1dARB not found.\n"); return 0; }
- glMultiTexCoord1dvARB = (PFNGLMULTITEXCOORD1DVARBPROC) wglGetProcAddress("glMultiTexCoord1dvARB");
- if (glMultiTexCoord1dvARB==NULL) {fprintf(stderr,"glMultiTexCoord1dAvRB not found.\n"); return 0; }
- glMultiTexCoord1fARB = (PFNGLMULTITEXCOORD1FARBPROC) wglGetProcAddress("glMultiTexCoord1fARB");
- if (glMultiTexCoord1fARB==NULL) {fprintf(stderr,"glMultiTexCoord1fARB not found.\n"); return 0; }
- glMultiTexCoord1fvARB = (PFNGLMULTITEXCOORD1FVARBPROC) wglGetProcAddress("glMultiTexCoord1fvARB");
- if (glMultiTexCoord1fvARB==NULL) {fprintf(stderr,"glMultiTexCoord1fvARB not found.\n"); return 0; }
- glMultiTexCoord1iARB = (PFNGLMULTITEXCOORD1IARBPROC) wglGetProcAddress("glMultiTexCoord1iARB");
- if (glMultiTexCoord1iARB==NULL) {fprintf(stderr,"glMultiTexCoord1iARB not found.\n"); return 0; }
- glMultiTexCoord1ivARB = (PFNGLMULTITEXCOORD1IVARBPROC) wglGetProcAddress("glMultiTexCoord1ivARB");
- if (glMultiTexCoord1ivARB==NULL) {fprintf(stderr,"glMultiTexCoord1ivARB not found.\n"); return 0; }
- glMultiTexCoord1sARB = (PFNGLMULTITEXCOORD1SARBPROC) wglGetProcAddress("glMultiTexCoord1sARB");
- if (glMultiTexCoord1sARB==NULL) {fprintf(stderr,"glMultiTexCoord1sARB not found.\n"); return 0; }
- glMultiTexCoord1svARB = (PFNGLMULTITEXCOORD1SVARBPROC) wglGetProcAddress("glMultiTexCoord1svARB");
- if (glMultiTexCoord1svARB==NULL) {fprintf(stderr,"glMultiTexCoord1svARB not found.\n"); return 0; }
- glMultiTexCoord2dARB = (PFNGLMULTITEXCOORD2DARBPROC) wglGetProcAddress("glMultiTexCoord2dARB");
- if (glMultiTexCoord2dARB==NULL) {fprintf(stderr,"glMultiTexCoord2dARB not found.\n"); return 0; }
- glMultiTexCoord2dvARB = (PFNGLMULTITEXCOORD2DVARBPROC) wglGetProcAddress("glMultiTexCoord2dvARB");
- if (glMultiTexCoord2dvARB==NULL) {fprintf(stderr,"glMultiTexCoord2dAvRB not found.\n"); return 0; }
- glMultiTexCoord2fARB = (PFNGLMULTITEXCOORD2FARBPROC) wglGetProcAddress("glMultiTexCoord2fARB");
- if (glMultiTexCoord2fARB==NULL) {fprintf(stderr,"glMultiTexCoord2fARB not found.\n"); return 0; }
- glMultiTexCoord2fvARB = (PFNGLMULTITEXCOORD2FVARBPROC) wglGetProcAddress("glMultiTexCoord2fvARB");
- if (glMultiTexCoord2fvARB==NULL) {fprintf(stderr,"glMultiTexCoord2fvARB not found.\n"); return 0; }
- glMultiTexCoord2iARB = (PFNGLMULTITEXCOORD2IARBPROC) wglGetProcAddress("glMultiTexCoord2iARB");
- if (glMultiTexCoord2iARB==NULL) {fprintf(stderr,"glMultiTexCoord2iARB not found.\n"); return 0; }
- glMultiTexCoord2ivARB = (PFNGLMULTITEXCOORD2IVARBPROC) wglGetProcAddress("glMultiTexCoord2ivARB");
- if (glMultiTexCoord2ivARB==NULL) {fprintf(stderr,"glMultiTexCoord2ivARB not found.\n"); return 0; }
- glMultiTexCoord2sARB = (PFNGLMULTITEXCOORD2SARBPROC) wglGetProcAddress("glMultiTexCoord2sARB");
- if (glMultiTexCoord2sARB==NULL) {fprintf(stderr,"glMultiTexCoord2sARB not found.\n"); return 0; }
- glMultiTexCoord2svARB = (PFNGLMULTITEXCOORD2SVARBPROC) wglGetProcAddress("glMultiTexCoord2svARB");
- if (glMultiTexCoord2svARB==NULL) {fprintf(stderr,"glMultiTexCoord2svARB not found.\n"); return 0; }
- glMultiTexCoord3dARB = (PFNGLMULTITEXCOORD3DARBPROC) wglGetProcAddress("glMultiTexCoord3dARB");
- if (glMultiTexCoord3dARB==NULL) {fprintf(stderr,"glMultiTexCoord3dARB not found.\n"); return 0; }
- glMultiTexCoord3dvARB = (PFNGLMULTITEXCOORD3DVARBPROC) wglGetProcAddress("glMultiTexCoord3dvARB");
- if (glMultiTexCoord3dvARB==NULL) {fprintf(stderr,"glMultiTexCoord3dAvRB not found.\n"); return 0; }
- glMultiTexCoord3fARB = (PFNGLMULTITEXCOORD3FARBPROC) wglGetProcAddress("glMultiTexCoord3fARB");
- if (glMultiTexCoord3fARB==NULL) {fprintf(stderr,"glMultiTexCoord3fARB not found.\n"); return 0; }
- glMultiTexCoord3fvARB = (PFNGLMULTITEXCOORD3FVARBPROC) wglGetProcAddress("glMultiTexCoord3fvARB");
- if (glMultiTexCoord3fvARB==NULL) {fprintf(stderr,"glMultiTexCoord3fvARB not found.\n"); return 0; }
- glMultiTexCoord3iARB = (PFNGLMULTITEXCOORD3IARBPROC) wglGetProcAddress("glMultiTexCoord3iARB");
- if (glMultiTexCoord3iARB==NULL) {fprintf(stderr,"glMultiTexCoord3iARB not found.\n"); return 0; }
- glMultiTexCoord3ivARB = (PFNGLMULTITEXCOORD3IVARBPROC) wglGetProcAddress("glMultiTexCoord3ivARB");
- if (glMultiTexCoord3ivARB==NULL) {fprintf(stderr,"glMultiTexCoord3ivARB not found.\n"); return 0; }
- glMultiTexCoord3sARB = (PFNGLMULTITEXCOORD3SARBPROC) wglGetProcAddress("glMultiTexCoord3sARB");
- if (glMultiTexCoord3sARB==NULL) {fprintf(stderr,"glMultiTexCoord3sARB not found.\n"); return 0; }
- glMultiTexCoord3svARB = (PFNGLMULTITEXCOORD3SVARBPROC) wglGetProcAddress("glMultiTexCoord3svARB");
- if (glMultiTexCoord3svARB==NULL) {fprintf(stderr,"glMultiTexCoord3svARB not found.\n"); return 0; }
- glMultiTexCoord4dARB = (PFNGLMULTITEXCOORD4DARBPROC) wglGetProcAddress("glMultiTexCoord4dARB");
- if (glMultiTexCoord4dARB==NULL) {fprintf(stderr,"glMultiTexCoord4dARB not found.\n"); return 0; }
- glMultiTexCoord4dvARB = (PFNGLMULTITEXCOORD4DVARBPROC) wglGetProcAddress("glMultiTexCoord4dvARB");
- if (glMultiTexCoord4dvARB==NULL) {fprintf(stderr,"glMultiTexCoord4dAvRB not found.\n"); return 0; }
- glMultiTexCoord4fARB = (PFNGLMULTITEXCOORD4FARBPROC) wglGetProcAddress("glMultiTexCoord4fARB");
- if (glMultiTexCoord4fARB==NULL) {fprintf(stderr,"glMultiTexCoord4fARB not found.\n"); return 0; }
- glMultiTexCoord4fvARB = (PFNGLMULTITEXCOORD4FVARBPROC) wglGetProcAddress("glMultiTexCoord4fvARB");
- if (glMultiTexCoord4fvARB==NULL) {fprintf(stderr,"glMultiTexCoord4fvARB not found.\n"); return 0; }
- glMultiTexCoord4iARB = (PFNGLMULTITEXCOORD4IARBPROC) wglGetProcAddress("glMultiTexCoord4iARB");
- if (glMultiTexCoord4iARB==NULL) {fprintf(stderr,"glMultiTexCoord4iARB not found.\n"); return 0; }
- glMultiTexCoord4ivARB = (PFNGLMULTITEXCOORD4IVARBPROC) wglGetProcAddress("glMultiTexCoord4ivARB");
- if (glMultiTexCoord4ivARB==NULL) {fprintf(stderr,"glMultiTexCoord4ivARB not found.\n"); return 0; }
- glMultiTexCoord4sARB = (PFNGLMULTITEXCOORD4SARBPROC) wglGetProcAddress("glMultiTexCoord4sARB");
- if (glMultiTexCoord4sARB==NULL) {fprintf(stderr,"glMultiTexCoord4sARB not found.\n"); return 0; }
- glMultiTexCoord4svARB = (PFNGLMULTITEXCOORD4SVARBPROC) wglGetProcAddress("glMultiTexCoord4svARB");
- if (glMultiTexCoord4svARB==NULL) {fprintf(stderr,"glMultiTexCoord4svARB not found.\n"); return 0; }
-#endif // _WIN32
- return 1;
-}
-
-#endif // ARB_MULTITEXTURE_INITIALIZE
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // not __ARB_MULTITEXTURE_H_
+++ /dev/null
-/*************************************************************
- * *
- * file : EXT_paletted_texture.h *
- * author: Jens Schneider *
- * date : 14.Mar.2001-10.Jul.2001 *
- * e-mail: jens@glHint.de *
- * *
- * version 1.0ß *
- * *
- *************************************************************/
-
-#ifndef __EXT_paletted_texture_H_
-#define __EXT_paletted_texture_H_
-
-/*
- * GLOBAL SWITCHES - enable/disable advanced features of this header
- *
- */
-#define EXT_PALETTED_TEXTURE_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_EXT_paletted_texture
-#define GL_COLOR_INDEX1_EXT 0x80E2
-#define GL_COLOR_INDEX2_EXT 0x80E3
-#define GL_COLOR_INDEX4_EXT 0x80E4
-#define GL_COLOR_INDEX8_EXT 0x80E5
-#define GL_COLOR_INDEX12_EXT 0x80E6
-#define GL_COLOR_INDEX16_EXT 0x80E7
-#define GL_COLOR_TABLE_FORMAT_EXT 0x80D8
-#define GL_COLOR_TABLE_WIDTH_EXT 0x80D9
-#define GL_COLOR_TABLE_RED_SIZE_EXT 0x80DA
-#define GL_COLOR_TABLE_GREEN_SIZE_EXT 0x80DB
-#define GL_COLOR_TABLE_BLUE_SIZE_EXT 0x80DC
-#define GL_COLOR_TABLE_ALPHA_SIZE_EXT 0x80DD
-#define GL_COLOR_TABLE_LUMINANCE_SIZE_EXT 0x80DE
-#define GL_COLOR_TABLE_INTENSITY_SIZE_EXT 0x80DF
-#define GL_TEXTURE_INDEX_SIZE_EXT 0x80ED
-#define GL_EXT_paletted_texture 1
-#endif
-
-#ifndef _WIN32
-#ifdef GL_GLEXT_PROTOTYPES
-extern void APIENTRY glColorTableEXT (GLenum, GLenum, GLsizei, GLenum, GLenum, const GLvoid *);
-extern void APIENTRY glColorSubTableEXT(GLenum, GLsizei, GLsizei, GLenum, GLenum, const GLvoid *);
-extern void APIENTRY glGetColorTableEXT(GLenum, GLenum, GLenum, GLvoid *);
-extern void APIENTRY glGetColorTableParameterivEXT(GLenum, GLenum, GLint *);
-extern void APIENTRY glGetColorTableParameterfvEXT(GLenum, GLenum, GLfloat *);
-#endif // GL_GLEXT_PROTOTYPES
-#else // _WIN32
-typedef void (APIENTRY * PFNGLCOLORTABLEEXTPROC) (GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *data);
-typedef void (APIENTRY * PFNGLCOLORSUBTABLEEXTPROC)(GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *data);
-typedef void (APIENTRY * PFNGLGETCOLORTABLEEXTPROC)(GLenum target, GLenum format, GLenum type, GLvoid *data);
-typedef void (APIENTRY * PFNGLGETCOLORTABLEPARAMETERIVEXTPROC)(GLenum target, GLenum pname, GLint *params);
-typedef void (APIENTRY * PFNGLGETCOLORTABLEPARAMETERFVEXTPROC)(GLenum target, GLenum pname, GLfloat *params);
-#endif // not _WIN32
-
-#ifdef EXT_PALETTED_TEXTURE_INITIALIZE
-#include<string.h> // string manipulation for runtime-check
-
-#ifdef _WIN32
-PFNGLCOLORTABLEEXTPROC glColorTableEXT = NULL;
-PFNGLCOLORSUBTABLEEXTPROC glColorSubTableEXT = NULL;
-PFNGLGETCOLORTABLEEXTPROC glGetColorTableEXT = NULL;
-PFNGLGETCOLORTABLEPARAMETERIVEXTPROC glGetColorTableParameterivEXT = NULL;
-PFNGLGETCOLORTABLEPARAMETERFVEXTPROC glGetColorTableParameterfvEXT = NULL;
-#endif // _WIN32
-
-int CheckForEXTPalettedTextureSupport(void) {
- const char search[]="GL_EXT_paletted_texture";
- 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_EXT_paletted_texture_Init(void) {
- if (!CheckForEXTPalettedTextureSupport()) return 0;
-
-#ifdef _WIN32
- glColorTableEXT = (PFNGLCOLORTABLEEXTPROC) wglGetProcAddress("glColorTableEXT");
- if (glColorTableEXT==NULL) {fprintf(stderr,"glColorTableEXT not found.\n"); return 0;}
- glColorSubTableEXT = (PFNGLCOLORSUBTABLEEXTPROC) wglGetProcAddress("glColorSubTableEXT");
- if (glColorSubTableEXT==NULL) {fprintf(stderr,"glColorSubTableEXT not found.\n"); return 0;}
- glGetColorTableEXT = (PFNGLGETCOLORTABLEEXTPROC) wglGetProcAddress("glGetColorTableEXT");
- if (glGetColorTableEXT==NULL) {fprintf(stderr,"glGetColorTableEXT not found.\n"); return 0;}
- glGetColorTableParameterivEXT = (PFNGLGETCOLORTABLEPARAMETERIVEXTPROC) wglGetProcAddress("glGetColorTableParameterivEXT");
- if (glGetColorTableParameterivEXT==NULL) {fprintf(stderr,"glGetColorTableParameterivEXT not found.\n"); return 0;}
- glGetColorTableParameterfvEXT = (PFNGLGETCOLORTABLEPARAMETERFVEXTPROC) wglGetProcAddress("glGetColorTableParameterfvEXT");
- if (glGetColorTableParameterfvEXT==NULL) {fprintf(stderr,"glGetColorTableParameterfvEXT not found.\n"); return 0;}
-#endif // _WIN32
- return 1;
-}
-
-#endif // EXT_PALETTED_TEXTURE_INITIALIZE
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif // not __EXT_PALETTED_TEXTURE_H_
+++ /dev/null
-/*************************************************************
- * *
- * 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_
+++ /dev/null
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-/* gcc -ansi -pedantic on GNU/Linux causes warnings and errors
- * unless this is defined:
- * warning: #warning "Files using this header must be compiled with _SVID_SOURCE or _XOPEN_SOURCE"
- */
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 1
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-//#include <GL/glext.h>
-#include <GL/glu.h>
-#include <string.h>
-#include <math.h>
-
-// too lazy to write an API for this ;)
-#include "regcomb_yuvrgb.c"
-
-#include "gstglsink.h"
-
-typedef struct _GstGLImageConnection GstGLImageConnection;
-struct _GstGLImageConnection
-{
- GstImageConnection conn;
- Display *dpy;
- gint w, h;
- gint bpp;
-
- int ytex_id;
- int uvtex_id;
- int septex_id;
- unsigned char *m_memory;
- int m_bufslots[4];
-};
-
-#define TEX_XSIZE 1024
-#define TEX_YSIZE 1024
-#define YUVTEX_SIZE ((TEX_XSIZE * TEX_YSIZE) * 3 /2)
-
-#define AGP_BUFSLOTS 4
-
-typedef struct _GstNvImage GstNvImage;
-struct _GstNvImage
-{
- GstImageData data;
- int slot; // < AGP_BUFSLOTS: allocated from AGP mem, otherwise from CPU mem
- GstGLImageConnection *conn;
-};
-
-static GstGLImageInfo *gst_gl_nvimage_info (GstImageInfo * info);
-static GstGLImageConnection *gst_gl_nvimage_connection (GstImageConnection *
- conn);
-static gboolean gst_gl_nvimage_check_xvideo ();
-
-static GstCaps *gst_gl_nvimage_get_caps (GstImageInfo * info);
-static GstImageConnection *gst_gl_nvimage_set_caps (GstImageInfo * info,
- GstCaps * caps);
-static GstImageData *gst_gl_nvimage_get_image (GstImageInfo * info,
- GstImageConnection * conn);
-static void gst_gl_nvimage_put_image (GstImageInfo * info,
- GstImageData * image);
-static void gst_gl_nvimage_free_image (GstImageData * image);
-static void gst_gl_nvimage_open_conn (GstImageConnection * conn,
- GstImageInfo * info);
-static void gst_gl_nvimage_close_conn (GstImageConnection * conn,
- GstImageInfo * info);
-static void gst_gl_nvimage_free_conn (GstImageConnection * conn);
-
-GstImagePlugin *
-get_gl_nvimage_plugin (void)
-{
- static GstImagePlugin plugin = { gst_gl_nvimage_get_caps,
- gst_gl_nvimage_set_caps,
- gst_gl_nvimage_get_image,
- gst_gl_nvimage_put_image,
- gst_gl_nvimage_free_image
- };
-
- return &plugin;
-}
-
-
-static GstGLImageInfo *
-gst_gl_nvimage_info (GstImageInfo * info)
-{
- if (info == NULL || info->id != GST_MAKE_FOURCC ('X', 'l', 'i', 'b')) {
- return NULL;
- }
- return (GstGLImageInfo *) info;
-}
-
-static GstGLImageConnection *
-gst_gl_nvimage_connection (GstImageConnection * conn)
-{
- if (conn == NULL || conn->free_conn != gst_gl_nvimage_free_conn)
- return NULL;
- return (GstGLImageConnection *) conn;
-}
-
-gboolean
-gst_gl_nvimage_check_xvideo ()
-{
- //int ver, rel, req, ev, err;
- printf ("Checking NVidia OpenGL extensions.\n");
- if (!GL_ARB_multitexture_Init ())
- return FALSE;
- if (!GL_EXT_paletted_texture_Init ())
- return FALSE;
- if (!GL_NV_register_combiners_Init ())
- return FALSE;
-
-#if 0
- if (display == NULL)
- return FALSE;
- if (Success == XvQueryExtension (display, &ver, &rel, &req, &ev, &err))
- return TRUE;
-#endif
-
- return TRUE;
-}
-
-static GstCaps *
-gst_gl_nvimage_get_caps (GstImageInfo * info)
-{
- //gint i;
- //int adaptors;
- //int formats;
- GstCaps *caps = NULL;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
-
- g_warning ("nvimage get caps called, context %p !\n",
- glXGetCurrentContext ());
- /* we don't handle these image information */
- if (xinfo == NULL) {
- printf ("Invalid XInfo struct !\n");
- return NULL;
- }
-
- if (gst_gl_nvimage_check_xvideo () == FALSE) {
- g_warning ("GL_NVImage: Server has no NVidia extension support\n");
- return NULL;
- }
-
- caps = gst_caps_append (caps, GST_CAPS_NEW ("nvimage_caps",
- "video/x-raw-yuv",
- "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y', 'V', '1', '2')),
- "width", GST_PROPS_INT_RANGE (0, 1024),
- "height", GST_PROPS_INT_RANGE (0, 1024))
- );
- g_warning ("nvimage returns caps !\n");
- return caps;
-}
-
-static GstImageConnection *
-gst_gl_nvimage_set_caps (GstImageInfo * info, GstCaps * caps)
-{
- //gint i, j = 0;
- //int adaptors;
- //int formats;
- GstGLImageConnection *conn;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
- guint32 format;
-
- /* we don't handle these image information */
- if (xinfo == NULL)
- return NULL;
-
- conn = g_new0 (GstGLImageConnection, 1);
- conn->conn.open_conn = gst_gl_nvimage_open_conn;
- conn->conn.close_conn = gst_gl_nvimage_close_conn;
- conn->conn.free_conn = gst_gl_nvimage_free_conn;
-
- gst_caps_get (caps,
- "width", &conn->w, "height", &conn->h, "format", &format, NULL);
-
- // maybe I should a bit more checking here, e.g. maximum size smaller than maximum texture extents
- if (format != GST_MAKE_FOURCC ('Y', 'V', '1', '2')) {
- GST_DEBUG ("GL_NVImage: Format is invalid !\n");
- return NULL;
- }
- if (0) //conn->port == (XvPortID) -1)
- {
- /* this happens if the plugin can't handle the caps, so no warning */
- g_free (conn);
- return NULL;
- }
-
- GST_DEBUG ("GL_NVImage: caps %p are ok, creating image", caps);
- return (GstImageConnection *) conn;
-}
-
-static GstImageData *
-gst_gl_nvimage_get_image (GstImageInfo * info, GstImageConnection * conn)
-{
- GstNvImage *image;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
- GstGLImageConnection *nvconn = gst_gl_nvimage_connection (conn);
-
- /* checks */
- if (xinfo == NULL)
- return NULL;
- if (nvconn == NULL)
- return NULL;
-
- // I should also check the current GLX context !
- // Ah, Don't have to, I am guarantueed to be in the same thread as put_image
-
- image = g_new0 (GstNvImage, 1);
-
- image->data.size = nvconn->w * nvconn->h * 3 / 2;
-
- //g_warning("Allocating %d bytes from main memory !", image->data.size);
- image->data.data = g_malloc (image->data.size);
- //image->slot = AGP_BUFSLOTS; // no AGP slot
-
- image->conn = nvconn;
-
- if (image->data.data == NULL) {
- g_warning ("GL_NvImage: data allocation failed!");
- g_free (image);
- return NULL;
- }
-
- return (GstImageData *) image;
-}
-
-static void
-gst_gl_nvimage_put_image (GstImageInfo * info, GstImageData * image)
-{
- GstNvImage *im = (GstNvImage *) image;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
-
- int img_width = im->conn->w;
- int img_height = im->conn->h;
- int uv_width = img_width >> 1;
- int uv_height = img_height >> 1;
-
- unsigned char *buf_y = im->data.data;
- unsigned char *buf_v = (buf_y + img_width * img_height);
- unsigned char *buf_u = buf_v + ((img_width / 2) * (img_height / 2));
-
- /* checks omitted for speed (and lazyness), do we need them? */
- g_assert (xinfo != NULL);
-
- // both upload the video, and redraw the screen
- //glClearColor(0,0.5, 0.3,1.0); // a test color
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glMatrixMode (GL_MODELVIEW);
- glLoadIdentity ();
- glTranslatef (0.0, 0.0, -5.0);
- glDisable (GL_TEXTURE_2D);
-
- if (xinfo->info.demo) {
- //g_print("Putting image, context is %p\n", glXGetCurrentContext());
-
- glTranslatef (0.0, 0.0, -5.0); // make it avoid the clipping plane, zoom 2.0 instead
- glRotatef (180.0 * sin (xinfo->rotX), 1, 0, 0);
- glRotatef (180.0 * cos (xinfo->rotY), 0, 1, 0);
-
- xinfo->rotX += 0.01;
- xinfo->rotY -= 0.015;
- float zoom = xinfo->zoom;
-
- glScalef (zoom, zoom, zoom);
- //glScalef(0.1,0.1,0.1);
-
- if (xinfo->zoom > 2.0)
- xinfo->zoomdir = -0.01;
-
- if (xinfo->zoom < 1.0)
- xinfo->zoomdir = 0.01;
-
- xinfo->zoom += xinfo->zoomdir;
- }
- //Draws the surface rectangle
-
- if (Ywidth != im->conn->w || Yheight != im->conn->h) {
- Ywidth = im->conn->w;
- Yheight = im->conn->h;
- UVwidth = im->conn->w / 2;
- UVheight = im->conn->h / 2;
- Initialize_Backend (Ywidth, Yheight, UVwidth, UVheight, GL_LINEAR);
- }
-
- LoadYUVPlanes (Yhandle, Uhandle, Vhandle, img_width, img_height, uv_width,
- uv_height, buf_y, buf_u, buf_v);
- float xmax = (float) (im->conn->w - 1) / tex_xsize;
- float ymax = (float) (im->conn->h - 1) / tex_ysize;
-
- /* Upload the texture here */
- //g_warning("PUTTING IMAGE %f %f %d %d\n", xmax, ymax, tex_xsize, tex_ysize);
-
- //glColor4f(1,1,1,1); // do NOT set a color here ! Done by Initialize_Backend, or actually SetConst !
- glBegin (GL_QUADS);
-
- float aspect = img_width / (float) img_height;
- float hor = aspect;
-
- //g_print("Drawing vertices, context is %p\n", glXGetCurrentContext());
- glNormal3f (0, -1, 0);
- glMultiTexCoord2fARB (GL_TEXTURE0_ARB, 0, 0);
- glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 0, 0);
- glMultiTexCoord2fARB (GL_TEXTURE2_ARB, 0, 0);
- glVertex3f (-hor, 1, 0);
-
- glMultiTexCoord2fARB (GL_TEXTURE0_ARB, 0, ymax);
- glMultiTexCoord2fARB (GL_TEXTURE1_ARB, 0, ymax);
- glMultiTexCoord2fARB (GL_TEXTURE2_ARB, 0, ymax);
- glVertex3f (-hor, -1, 0);
-
- glMultiTexCoord2fARB (GL_TEXTURE0_ARB, xmax, ymax);
- glMultiTexCoord2fARB (GL_TEXTURE1_ARB, xmax, ymax);
- glMultiTexCoord2fARB (GL_TEXTURE2_ARB, xmax, ymax);
- glVertex3f (hor, -1, 0);
-
- glMultiTexCoord2fARB (GL_TEXTURE0_ARB, xmax, 0);
- glMultiTexCoord2fARB (GL_TEXTURE1_ARB, xmax, 0);
- glMultiTexCoord2fARB (GL_TEXTURE2_ARB, xmax, 0);
- glVertex3f (hor, 1, 0);
-
- glEnd ();
-
- if (xinfo->info.dumpvideo) {
- static int framenr = 0;
- char capfilename[255];
- static guint8 *cap_image_data = NULL, *cap_image_data2 = NULL;
- int i;
-
- // hmmmm, is this reentrant ?!
- if (cap_image_data == NULL)
- cap_image_data = (guint8 *) malloc (img_width * img_height * 3);
-
- if (cap_image_data2 == NULL)
- cap_image_data2 = (guint8 *) malloc (img_width * img_height * 3);
-
- printf ("Recording frame #%d\n", framenr);
- glReadPixels (0, 0, img_width, img_height, GL_RGB, GL_UNSIGNED_BYTE,
- cap_image_data);
- // invert the pixels
- for (i = 0; i < img_height; i++)
- memcpy (cap_image_data2 + i * img_width * 3,
- cap_image_data + (img_height - 1 - i) * img_width * 3, img_width * 3);
-
- sprintf (capfilename, "cap%04d.ppm", framenr);
- FILE *outfile = fopen (capfilename, "wb");
-
- if (outfile != NULL) {
- fprintf (outfile, "P6\n");
- fprintf (outfile, "# created by glsink from GStreamer\n");
- fprintf (outfile, "%d %d\n", img_width, img_height);
- fprintf (outfile, "255\n");
- fwrite (cap_image_data2, sizeof (char), img_width * img_height * 3,
- outfile);
- fclose (outfile);
- }
- framenr++;
- }
-
-
- glXSwapBuffers (xinfo->dpy, xinfo->win);
-}
-
-static void
-gst_gl_nvimage_free_image (GstImageData * image)
-{
- GstNvImage *im = (GstNvImage *) image;
-
- g_return_if_fail (im != NULL);
- GstGLImageConnection *nvconn = im->conn;
-
- if (im->slot < AGP_BUFSLOTS) {
- nvconn->m_bufslots[im->slot] = 0;
- } else
- g_free (im->data.data);
-
- g_free (im);
-}
-
-static void
-gst_gl_nvimage_open_conn (GstImageConnection * conn, GstImageInfo * info)
-{
- //GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
- //GstGLImageConnection *xconn = gst_gl_nvimage_connection (conn);
-
- g_print
- ("Opening NVidia connection; OpenGL on Nvidia, using register combiners.\n");
- {
- Ywidth = TEX_XSIZE;
- Yheight = TEX_YSIZE;
- UVwidth = TEX_XSIZE / 2;
- UVheight = TEX_YSIZE / 2;
- Initialize_Backend (Ywidth, Yheight, UVwidth, UVheight, GL_LINEAR);
- }
- g_print ("Done\n");
-}
-
-static void
-gst_gl_nvimage_close_conn (GstImageConnection * conn, GstImageInfo * info)
-{
- GstGLImageConnection *xconn = gst_gl_nvimage_connection (conn);
-
- //GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
-
- // anything needed in here ? Oh, maybe drawing de-init, or something
- glDeleteTextures (1, &xconn->ytex_id);
- glDeleteTextures (1, &xconn->uvtex_id);
- glDeleteTextures (1, &xconn->septex_id);
-}
-
-static void
-gst_gl_nvimage_free_conn (GstImageConnection * conn)
-{
- GstGLImageConnection *nvconn = gst_gl_nvimage_connection (conn);
-
- g_free (nvconn);
-}
+++ /dev/null
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-/* gcc -ansi -pedantic on GNU/Linux causes warnings and errors
- * unless this is defined:
- * warning: #warning "Files using this header must be compiled with _SVID_SOURCE or _XOPEN_SOURCE"
- */
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 1
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-
-#define GL_GLEXT_PROTOTYPES
-
-// VERY dangerous:
-#define GL_WRITE_PIXEL_DATA_RANGE_NV 0x8878
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <GL/glext.h>
-#include <GL/glu.h>
-#include <string.h>
-
-#include "gstglsink.h"
-
-typedef struct _GstGLImageConnection GstGLImageConnection;
-struct _GstGLImageConnection
-{
- GstImageConnection conn;
- Display *dpy;
- gint w, h;
- gint bpp;
-
- int ytex_id;
- int uvtex_id;
- int septex_id;
- unsigned char *m_memory;
- int m_bufslots[4];
-};
-
-#define TEX_XSIZE 1024
-#define TEX_YSIZE 1024
-#define YUVTEX_SIZE ((TEX_XSIZE * TEX_YSIZE) * 3 /2)
-
-#define AGP_BUFSLOTS 4
-
-typedef struct _GstNvImage GstNvImage;
-struct _GstNvImage
-{
- GstImageData data;
- int slot; // < AGP_BUFSLOTS: allocated from AGP mem, otherwise from CPU mem
- GstGLImageConnection *conn;
-};
-
-static GstGLImageInfo *gst_gl_nvimage_info (GstImageInfo * info);
-static GstGLImageConnection *gst_gl_nvimage_connection (GstImageConnection *
- conn);
-static gboolean gst_gl_nvimage_check_xvideo ();
-
-static GstCaps *gst_gl_nvimage_get_caps (GstImageInfo * info);
-static GstImageConnection *gst_gl_nvimage_set_caps (GstImageInfo * info,
- GstCaps * caps);
-static GstImageData *gst_gl_nvimage_get_image (GstImageInfo * info,
- GstImageConnection * conn);
-static void gst_gl_nvimage_put_image (GstImageInfo * info,
- GstImageData * image);
-static void gst_gl_nvimage_free_image (GstImageData * image);
-static void gst_gl_nvimage_open_conn (GstImageConnection * conn,
- GstImageInfo * info);
-static void gst_gl_nvimage_close_conn (GstImageConnection * conn,
- GstImageInfo * info);
-static void gst_gl_nvimage_free_conn (GstImageConnection * conn);
-
-GstImagePlugin *
-get_gl_nvimage_plugin (void)
-{
- static GstImagePlugin plugin = { gst_gl_nvimage_get_caps,
- gst_gl_nvimage_set_caps,
- gst_gl_nvimage_get_image,
- gst_gl_nvimage_put_image,
- gst_gl_nvimage_free_image
- };
-
- return &plugin;
-}
-
-
-static GstGLImageInfo *
-gst_gl_nvimage_info (GstImageInfo * info)
-{
- if (info == NULL || info->id != GST_MAKE_FOURCC ('X', 'l', 'i', 'b')) {
- return NULL;
- }
- return (GstGLImageInfo *) info;
-}
-
-static GstGLImageConnection *
-gst_gl_nvimage_connection (GstImageConnection * conn)
-{
- if (conn == NULL || conn->free_conn != gst_gl_nvimage_free_conn)
- return NULL;
- return (GstGLImageConnection *) conn;
-}
-
-gboolean
-gst_gl_nvimage_check_xvideo ()
-{
- int ver, rel, req, ev, err;
-
-#if 0
- if (display == NULL)
- return FALSE;
- if (Success == XvQueryExtension (display, &ver, &rel, &req, &ev, &err))
- return TRUE;
-#endif
-
- return FALSE;
-}
-
-static GstCaps *
-gst_gl_nvimage_get_caps (GstImageInfo * info)
-{
- gint i;
- int adaptors;
- int formats;
- GstCaps *caps = NULL;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
-
- /* we don't handle these image information */
- if (xinfo == NULL)
- return NULL;
-
- if (gst_gl_nvimage_check_xvideo () == FALSE) {
- g_warning ("GL_NVImage: Server has no NVidia extension support\n");
- return NULL;
- }
-
- caps = gst_caps_append (caps, GST_CAPS_NEW ("xvimage_caps",
- "video/raw",
- "format", GST_PROPS_FOURCC (GST_MAKE_FOURCC ('Y', 'C', '1', '2')),
- "width", GST_PROPS_INT_RANGE (0, 1024),
- "height", GST_PROPS_INT_RANGE (0, 1024))
- );
- return caps;
-}
-
-static GstImageConnection *
-gst_gl_nvimage_set_caps (GstImageInfo * info, GstCaps * caps)
-{
- gint i, j = 0;
- int adaptors;
- int formats;
- GstGLImageConnection *conn;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
- guint32 format;
-
- /* we don't handle these image information */
- if (xinfo == NULL)
- return NULL;
-
- conn = g_new0 (GstGLImageConnection, 1);
- conn->conn.open_conn = gst_gl_nvimage_open_conn;
- conn->conn.close_conn = gst_gl_nvimage_close_conn;
- conn->conn.free_conn = gst_gl_nvimage_free_conn;
-
- gst_caps_get (caps,
- "width", &conn->w, "height", &conn->h, "format", &format, NULL);
-
- // maybe I should a bit more checking here, e.g. maximum size smaller than maximum texture extents
- if (format != GST_MAKE_FOURCC ('R', 'G', 'B', ' ')) {
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "GL_NVImage: Format is invalid !\n");
- return NULL;
- }
- if (0) //conn->port == (XvPortID) -1)
- {
- /* this happens if the plugin can't handle the caps, so no warning */
- g_free (conn);
- return NULL;
- }
-
- GST_DEBUG (GST_CAT_PLUGIN_INFO, "GL_NVImage: caps %p are ok, creating image",
- caps);
- return (GstImageConnection *) conn;
-}
-
-static GstImageData *
-gst_gl_nvimage_get_image (GstImageInfo * info, GstImageConnection * conn)
-{
- GstNvImage *image;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
- GstGLImageConnection *nvconn = gst_gl_nvimage_connection (conn);
- int slot = 0;
-
- /* checks */
- if (xinfo == NULL)
- return NULL;
- if (nvconn == NULL)
- return NULL;
-
- // I should also check the current GLX context !
- // Ah, Don't have to, I am guarantueed to always be in the same thread
-
- image = g_new0 (GstNvImage, 1);
-
- for (slot = 0; slot < AGP_BUFSLOTS; slot++) {
- if (!nvconn->m_bufslots[slot])
- break;
- }
-
- image->data.size = nvconn->w * nvconn->h * 3 / 2;
-
- if (slot < AGP_BUFSLOTS) // found an AGP buffer slot
- {
- image->data.data = nvconn->m_memory + slot * YUVTEX_SIZE;
- image->slot = slot; // store for freeing
- nvconn->m_bufslots[slot] = 1; // it is now taken
- } else {
- g_warning ("Allocating from main memory !");
- image->data.data = g_malloc (image->data.size);
- image->slot = AGP_BUFSLOTS; // no AGP slot
- }
- image->conn = nvconn;
-
- if (image->data.data == NULL) {
- g_warning ("GL_NvImage: data allocation failed!");
- g_free (image);
- return NULL;
- }
-
- return (GstImageData *) image;
-}
-
-static void
-gst_gl_nvimage_put_image (GstImageInfo * info, GstImageData * image)
-{
- GstNvImage *im = (GstNvImage *) image;
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
-
- /* checks omitted for speed (and lazyness), do we need them? */
- g_assert (xinfo != NULL);
-
- /* Upload the texture here */
- g_warning ("PUTTING IMAGE - BROOOKEN");
-
- // both upload the video, and redraw the screen
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glEnable (GL_TEXTURE_2D);
-
- glPushMatrix ();
- //glTranslatef(0,1,0);
- glRotatef (xinfo->rotX - 250, 1, 0, 0);
- glRotatef (xinfo->rotY, 0, 1, 0);
- int zoom = xinfo->zoom;
-
- glScaled (zoom, zoom, zoom);
- //Draws the surface rectangle
-
- glBindTexture (GL_TEXTURE_2D, im->conn->ytex_id);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, im->conn->w, im->conn->h, GL_RGBA,
- GL_UNSIGNED_BYTE, im->data.data);
- float xmax = (float) im->conn->w / TEX_XSIZE;
- float ymax = (float) im->conn->h / TEX_YSIZE;
-
- glColor4f (1, 1, 1, 1);
- glBegin (GL_QUADS);
-
- glNormal3f (0, -1, 0);
-
- glTexCoord2f (xmax, 0);
- glVertex3f (4, 0, -4);
-
- glTexCoord2f (0, 0);
- glVertex3f (-4, 0, -4);
-
- glTexCoord2f (0, ymax);
- glVertex3f (-4, 0, 4);
-
- glTexCoord2f (xmax, ymax);
- glVertex3f (4, 0, 4);
-
- glEnd ();
-
- glPopMatrix ();
-
- glXSwapBuffers (xinfo->dpy, xinfo->win);
-}
-
-static void
-gst_gl_nvimage_free_image (GstImageData * image)
-{
- GstNvImage *im = (GstNvImage *) image;
-
- g_return_if_fail (im != NULL);
- GstGLImageConnection *nvconn = im->conn;
-
- if (im->slot < AGP_BUFSLOTS) {
- nvconn->m_bufslots[im->slot] = 0;
- } else
- g_free (im->data.data);
-
- g_free (im);
-}
-
-static void
-gst_gl_nvimage_open_conn (GstImageConnection * conn, GstImageInfo * info)
-{
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
- GstGLImageConnection *xconn = gst_gl_nvimage_connection (conn);
-
- unsigned char data_sep[2][2] = { {0, 255}, {0, 255} };
- int slot;
-
- g_warning ("Opening NVidia Connection");
- xconn->m_memory =
- (unsigned char *) glXAllocateMemoryNV (AGP_BUFSLOTS * YUVTEX_SIZE, 0, 1.0,
- 1.0);
-
- if (!xconn->m_memory) {
- printf
- ("Unable to acquire graphics card mem... will acquire in normal memory.\n");
- for (slot = 0; slot < AGP_BUFSLOTS; slot++)
- xconn->m_bufslots[slot] = 1;
- } else {
- // maybe this fast writable memory, awfully slow to read from, though
- glPixelDataRangeNV (GL_WRITE_PIXEL_DATA_RANGE_NV,
- AGP_BUFSLOTS * YUVTEX_SIZE, xconn->m_memory);
- glEnableClientState (GL_WRITE_PIXEL_DATA_RANGE_NV);
-
- for (slot = 0; slot < AGP_BUFSLOTS; slot++)
- xconn->m_bufslots[slot] = 0;
- }
-
- glGenTextures (1, &xconn->ytex_id);
- glBindTexture (GL_TEXTURE_2D, xconn->ytex_id);
- glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE8_ALPHA8, TEX_XSIZE, TEX_YSIZE, 0,
- GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, NULL);
-
- glActiveTextureARB (GL_TEXTURE1_ARB);
- glGenTextures (1, &xconn->uvtex_id);
- glBindTexture (GL_TEXTURE_2D, xconn->uvtex_id);
- glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE8_ALPHA8, TEX_XSIZE / 2,
- TEX_YSIZE / 2, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, NULL);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
-
- glActiveTextureARB (GL_TEXTURE2_ARB);
- glGenTextures (1, &xconn->septex_id);
- glBindTexture (GL_TEXTURE_2D, xconn->septex_id);
- glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE8, 2, 2, 0, GL_LUMINANCE,
- GL_UNSIGNED_BYTE, data_sep);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_ADD);
-
- glFlushPixelDataRangeNV (GL_WRITE_PIXEL_DATA_RANGE_NV);
- //glEnable(GL_TEXTURE_2D);
- glActiveTextureARB (GL_TEXTURE0_ARB);
- glEnable (GL_TEXTURE_2D);
- glActiveTextureARB (GL_TEXTURE1_ARB);
- glEnable (GL_TEXTURE_2D);
- glActiveTextureARB (GL_TEXTURE2_ARB);
- glEnable (GL_TEXTURE_2D);
- glActiveTextureARB (GL_TEXTURE0_ARB);
-}
-
-static void
-gst_gl_nvimage_close_conn (GstImageConnection * conn, GstImageInfo * info)
-{
- GstGLImageConnection *xconn = gst_gl_nvimage_connection (conn);
- GstGLImageInfo *xinfo = gst_gl_nvimage_info (info);
-
- // anything needed in here ? Oh, maybe drawing de-init, or something
- glDeleteTextures (1, &xconn->ytex_id);
- glDeleteTextures (1, &xconn->uvtex_id);
- glDeleteTextures (1, &xconn->septex_id);
-}
-
-static void
-gst_gl_nvimage_free_conn (GstImageConnection * conn)
-{
- GstGLImageConnection *nvconn = gst_gl_nvimage_connection (conn);
-
- g_free (nvconn);
-}
+++ /dev/null
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-
-/* gcc -ansi -pedantic on GNU/Linux causes warnings and errors
- * unless this is defined:
- * warning: #warning "Files using this header must be compiled with _SVID_SOURCE or _XOPEN_SOURCE"
- */
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 1
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include <math.h>
-
-#include "gstglsink.h"
-
-typedef struct _GstGLImageConnection GstGLImageConnection;
-
-// this contains everything to draw an image, including all necessary graphics card data.
-struct _GstGLImageConnection
-{
- GstImageConnection conn;
- Display *dpy; // the Xlib drawing context
- GLXContext ctx; // The GLX drawing context
- gint w, h;
- gint bpp;
-
- int rgbatex_id;
- unsigned char *m_memory;
-};
-
-#define TEX_XSIZE 1024
-#define TEX_YSIZE 1024
-
-
-typedef struct _GstGLImage GstGLImage;
-struct _GstGLImage
-{
- GstImageData data;
- GstGLImageConnection *conn;
-};
-
-static GstGLImageInfo *gst_gl_rgbimage_info (GstImageInfo * info);
-static GstGLImageConnection *gst_gl_rgbimage_connection (GstImageConnection *
- conn);
-
-static GstCaps *gst_gl_rgbimage_get_caps (GstImageInfo * info);
-static GstImageConnection *gst_gl_rgbimage_set_caps (GstImageInfo * info,
- GstCaps * caps);
-static GstImageData *gst_gl_rgbimage_get_image (GstImageInfo * info,
- GstImageConnection * conn);
-static void gst_gl_rgbimage_put_image (GstImageInfo * info,
- GstImageData * image);
-static void gst_gl_rgbimage_free_image (GstImageData * image);
-static void gst_gl_rgbimage_open_conn (GstImageConnection * conn,
- GstImageInfo * info);
-static void gst_gl_rgbimage_close_conn (GstImageConnection * conn,
- GstImageInfo * info);
-static void gst_gl_rgbimage_free_conn (GstImageConnection * conn);
-
-GstImagePlugin *
-get_gl_rgbimage_plugin (void)
-{
- static GstImagePlugin plugin = { gst_gl_rgbimage_get_caps,
- gst_gl_rgbimage_set_caps,
- gst_gl_rgbimage_get_image,
- gst_gl_rgbimage_put_image,
- gst_gl_rgbimage_free_image
- };
-
- return &plugin;
-}
-
-static GstGLImageInfo *
-gst_gl_rgbimage_info (GstImageInfo * info)
-{
- if (info == NULL || info->id != GST_MAKE_FOURCC ('X', 'l', 'i', 'b')) {
- return NULL;
- }
- return (GstGLImageInfo *) info;
-}
-
-static GstGLImageConnection *
-gst_gl_rgbimage_connection (GstImageConnection * conn)
-{
- if (conn == NULL || conn->free_conn != gst_gl_rgbimage_free_conn)
- return NULL;
- return (GstGLImageConnection *) conn;
-}
-
-GstCaps *
-gst_gl_rgbimage_get_caps (GstImageInfo * info)
-{
- GstCaps *caps = NULL;
- Visual *visual;
- int xpad;
- XWindowAttributes attrib;
- XImage *ximage;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
-
- g_warning ("rgbimage get caps called, context %p, endianness %d !\n",
- glXGetCurrentContext (), G_BIG_ENDIAN);
- /* we don't handle this image information */
- if (xinfo == NULL)
- return NULL;
-
- XGetWindowAttributes (xinfo->dpy, xinfo->win, &attrib);
-
- visual = attrib.visual;
- if (attrib.depth <= 8)
- xpad = 8;
- else if (attrib.depth <= 16)
- xpad = 16;
- else
- xpad = 32;
-
- // create a temporary image
- ximage = XCreateImage (xinfo->dpy, visual, attrib.depth, ZPixmap, 0, NULL,
- 100, 100, xpad, (attrib.depth + 7) / 8 * 100);
- if (ximage != NULL) {
- caps =
- GST_CAPS_NEW ("forcing Video RGB", "video/x-raw-rgb", "format",
- GST_PROPS_FOURCC (GST_STR_FOURCC ("RGB ")), "depth", GST_PROPS_INT (24),
- "bpp", GST_PROPS_INT (24), "red_mask", GST_PROPS_INT (0xff),
- "green_mask", GST_PROPS_INT (0xff00), "blue_mask",
- GST_PROPS_INT (0xff0000), "endianness", GST_PROPS_INT (G_BIG_ENDIAN),
- /*= 1234/4321 (INT) <- endianness */
- "width", GST_PROPS_INT_RANGE (0, TEX_XSIZE), /* can't have videos larger than TEX_SIZE */
- "height", GST_PROPS_INT_RANGE (0, TEX_YSIZE)
- );
- XDestroyImage (ximage);
- }
-
- printf ("GL_RGBImage: returning caps at %p", caps);
- return caps;
-}
-
-static GstImageConnection *
-gst_gl_rgbimage_set_caps (GstImageInfo * info, GstCaps * caps)
-{
- g_warning ("in set_caps !\n");
-
- GstGLImageConnection *new = NULL;
- Visual *visual;
- XWindowAttributes attrib;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- guint32 format;
- gint depth;
- gint endianness;
- gint red_mask, green_mask, blue_mask;
- gint width, height, bpp;
-
- /* check if this is the right image info */
- if (xinfo == NULL)
- return NULL;
-
- XGetWindowAttributes (xinfo->dpy, xinfo->win, &attrib);
-
- visual = attrib.visual;
-
- gst_caps_get (caps,
- "format", &format,
- "depth", &depth,
- "endianness", &endianness,
- "red_mask", &red_mask,
- "green_mask", &green_mask,
- "blue_mask", &blue_mask,
- "width", &width, "height", &height, "bpp", &bpp, NULL);
-
- /* check if the caps are ok */
- if (format != GST_MAKE_FOURCC ('R', 'G', 'B', ' '))
- return NULL;
- /* if (gst_caps_get_int (caps, "bpp") != ???) return NULL; */
- //if (depth != attrib.depth) return NULL;
- //if (endianness != ((ImageByteOrder (xinfo->dpy) == LSBFirst) ? G_LITTLE_ENDIAN : G_BIG_ENDIAN)) return NULL;
- //if (red_mask != visual->red_mask) return NULL;
- //if (green_mask != visual->green_mask) return NULL;
- //if (blue_mask != visual->blue_mask) return NULL;
- GST_DEBUG ("GL_RGBImage: caps %p are ok, creating image", caps);
-
- new = g_new (GstGLImageConnection, 1);
- new->conn.open_conn = gst_gl_rgbimage_open_conn;
- new->conn.close_conn = gst_gl_rgbimage_close_conn;
- new->conn.free_conn = gst_gl_rgbimage_free_conn;
- new->dpy = xinfo->dpy;
- new->ctx = xinfo->ctx;
- new->w = width;
- new->h = height;
- new->bpp = bpp;
-
- return (GstImageConnection *) new;
-}
-
-static GstImageData *
-gst_gl_rgbimage_get_image (GstImageInfo * info, GstImageConnection * conn)
-{
- GstGLImage *image;
-
- //XWindowAttributes attrib;
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- image = g_new (GstGLImage, 1);
-
- /* checks */
- if (xinfo == NULL)
- return NULL;
- if (xconn == NULL)
- return NULL;
- if (xinfo->dpy != xconn->dpy) {
- g_warning ("XImage: wrong x display specified in 'get_image'\n");
- return NULL;
- }
-
- image->conn = xconn;
- image->data.size = xconn->w * xconn->h * 4;
- image->data.data = g_malloc (image->data.size);
- if (image->data.data == NULL) {
- g_warning ("GL_RGBImage: data allocation failed!");
- g_free (image);
- return NULL;
- }
-
- return (GstImageData *) image;
-}
-
-
-static void
-gst_gl_rgbimage_put_image (GstImageInfo * info, GstImageData * image)
-{
- float xmax, ymax;
-
- GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- GstGLImage *im = (GstGLImage *) image;
-
- int img_width = im->conn->w;
- int img_height = im->conn->h;
-
- g_assert (xinfo != NULL);
-
- // both upload the video, and redraw the screen
- glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glMatrixMode (GL_MODELVIEW);
- glLoadIdentity ();
- glTranslatef (0.0, 0.0, -5.0);
-
- glEnable (GL_TEXTURE_2D);
-
- if (xinfo->info.demo) {
- glTranslatef (0.0, 0.0, -5.0); // make it avoid the clipping plane, zoom 2.0 instead
- glRotatef (180.0 * sin (xinfo->rotX), 1, 0, 0);
- glRotatef (180.0 * cos (xinfo->rotY), 0, 1, 0);
-
- xinfo->rotX += 0.01;
- xinfo->rotY -= 0.015;
- float zoom = xinfo->zoom;
-
- glScalef (zoom, zoom, zoom);
-
- if (xinfo->zoom > 2.0)
- xinfo->zoomdir = -0.01;
-
- if (xinfo->zoom < 1.0)
- xinfo->zoomdir = 0.01;
-
- xinfo->zoom += xinfo->zoomdir;
- }
- //Draws the surface rectangle
- glBindTexture (GL_TEXTURE_2D, im->conn->rgbatex_id);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, im->conn->w, im->conn->h, GL_RGB,
- GL_UNSIGNED_BYTE, im->data.data);
- xmax = (float) im->conn->w / TEX_XSIZE;
- ymax = (float) im->conn->h / TEX_YSIZE;
-
- float aspect = img_width / (float) img_height;
- float hor = aspect;
-
- glColor4f (1, 1, 1, 1);
- glBegin (GL_QUADS);
-
- glNormal3f (0, -1, 0);
-
- glTexCoord2f (xmax, 0);
- glVertex3f (hor, 1, 0);
-
- glTexCoord2f (0, 0);
- glVertex3f (-hor, 1, 0);
-
- glTexCoord2f (0, ymax);
- glVertex3f (-hor, -1, 0);
-
- glTexCoord2f (xmax, ymax);
- glVertex3f (hor, -1, 0);
- glEnd ();
-
- if (xinfo->info.dumpvideo) {
- static int framenr = 0;
- char capfilename[255];
- static guint8 *cap_image_data = NULL, *cap_image_data2 = NULL;
- int i;
-
- // hmmmm, is this reentrant ?!
- if (cap_image_data == NULL)
- cap_image_data = (guint8 *) malloc (img_width * img_height * 3);
-
- if (cap_image_data2 == NULL)
- cap_image_data2 = (guint8 *) malloc (img_width * img_height * 3);
-
- printf ("Recording frame #%d\n", framenr);
- glReadPixels (0, 0, img_width, img_height, GL_RGB, GL_UNSIGNED_BYTE,
- cap_image_data);
- // invert the pixels
- for (i = 0; i < img_height; i++)
- memcpy (cap_image_data2 + i * img_width * 3,
- cap_image_data + (img_height - 1 - i) * img_width * 3, img_width * 3);
-
- sprintf (capfilename, "cap%04d.ppm", framenr);
- FILE *outfile = fopen (capfilename, "wb");
-
- if (outfile != NULL) {
- fprintf (outfile, "P6\n");
- fprintf (outfile, "# created by raw_zb\n");
- fprintf (outfile, "%d %d\n", img_width, img_height);
- fprintf (outfile, "255\n");
- fwrite (cap_image_data2, sizeof (char), img_width * img_height * 3,
- outfile);
- fclose (outfile);
- }
- framenr++;
- }
-
- glXSwapBuffers (xinfo->dpy, xinfo->win);
-}
-
-void
-gst_gl_rgbimage_free_image (GstImageData * image)
-{
- GstGLImage *im = (GstGLImage *) image;
-
- g_warning
- ("gst_gl_rgbimage_free_image doesn't do anything yet -> freeing image\n");
- g_free (im->data.data);
- g_free (im);
-}
-
-/* Creates an OpenGL texture to upload the picture over */
-static void
-gst_gl_rgbimage_open_conn (GstImageConnection * conn, GstImageInfo * info)
-{
- g_warning ("Opening RGB Connection; classic OpenGL 1.2 renderer.");
-
- //GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- glGenTextures (1, &xconn->rgbatex_id);
- glBindTexture (GL_TEXTURE_2D, xconn->rgbatex_id);
- glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, TEX_XSIZE, TEX_YSIZE, 0, GL_RGBA,
- GL_UNSIGNED_BYTE, NULL);
-}
-
-/* Deletes the creates OpenGL textures */
-static void
-gst_gl_rgbimage_close_conn (GstImageConnection * conn, GstImageInfo * info)
-{
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- //GstGLImageInfo *xinfo = gst_gl_rgbimage_info (info);
-
- glDeleteTextures (1, &xconn->rgbatex_id);
-}
-
-static void
-gst_gl_rgbimage_free_conn (GstImageConnection * conn)
-{
- GstGLImageConnection *xconn = gst_gl_rgbimage_connection (conn);
-
- g_assert (xconn != NULL);
-
- g_free (xconn);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
-<ds-work> your element belongs to a scheduler, which calls some functions from the same thread
-<ds-work> all the other functions could be called from any random thread
-<gernot> ds-work: which are the "some" function in that case ?
-<gernot> It is quite costly to do glXGetCurrentContext for every function call.
-<ds-work> _chain, -get, _loop
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <string.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include <sys/time.h>
-
-/*#define GST_DEBUG_FORCE_DISABLE*/
-
-#include "gstglsink.h"
-
-/* elementfactory information */
-static GstElementDetails gst_glsink_details = {
- "OpenGL Sink/GLX",
- "Sink/GLVideo",
- "An OpenGL based video sink - uses OpenGL and GLX to draw video, utilizing different acceleration options",
- "Gernot Ziegler <gz@lysator.liu.se>"
-};
-
-/* default template - initiated with class struct to allow gst-register to work
- with X running */
-GST_PAD_TEMPLATE_FACTORY (gst_glsink_sink_template_factory,
- "sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_CAPS_NEW ("glsink_rgbsink", "video/x-raw-rgb",
- "framerate", GST_PROPS_FLOAT_RANGE (0, G_MAXFLOAT),
- "width", GST_PROPS_INT_RANGE (0, G_MAXINT),
- "height", GST_PROPS_INT_RANGE (0, G_MAXINT)),
- GST_CAPS_NEW ("glsink_yuvsink", "video/x-raw-yuv",
- "framerate", GST_PROPS_FLOAT_RANGE (0, G_MAXFLOAT),
- "width", GST_PROPS_INT_RANGE (0, G_MAXINT),
- "height", GST_PROPS_INT_RANGE (0, G_MAXINT))
- )
-
-/* glsink signals and args */
- enum
- {
- LAST_SIGNAL
- };
-
-
- enum
- {
- ARG_0,
- ARG_WIDTH,
- ARG_HEIGHT,
- ARG_FRAMES_DISPLAYED,
- ARG_FRAME_TIME,
- ARG_HOOK,
- ARG_MUTE,
- ARG_REPAINT,
- ARG_DEMO,
- ARG_DUMP
- };
-
-/* GLsink class */
-#define GST_TYPE_GLSINK (gst_glsink_get_type())
-#define GST_GLSINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GLSINK,GstGLSink))
-#define GST_GLSINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_GLSINK,GstGLSink))
-#define GST_IS_GLSINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GLSINK))
-#define GST_IS_GLSINK_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_GLSINK))
-
- typedef struct _GstGLSink GstGLSink;
- typedef struct _GstGLSinkClass GstGLSinkClass;
-
- struct _GstGLSink
- {
- GstElement element;
-
- GstPad *sinkpad;
-
- gint frames_displayed;
- guint64 frame_time;
- gint width, height;
- gboolean muted;
- gint demo; // some kind of fun demo mode to let GL show its 3D capabilities
- gboolean dumpvideo; // dump the video down to .ppm:s
- GstBuffer *last_image; /* not thread safe ? */
-
- GstClock *clock;
-
- GMutex *cache_lock;
- GList *cache;
-
- /* plugins */
- GstImagePlugin *plugin;
- GstImageConnection *conn;
-
- /* allow anybody to hook in here */
- GstImageInfo *hook;
- };
-
- struct _GstGLSinkClass
- {
- GstElementClass parent_class;
-
- /* plugins */
- GList *plugins;
- };
-
-
- static GType gst_glsink_get_type (void);
- static void gst_glsink_base_init (gpointer g_class);
- static void gst_glsink_class_init (GstGLSinkClass * klass);
- static void gst_glsink_init (GstGLSink * sink);
-
-/* static void gst_glsink_dispose (GObject *object); */
-
- static void gst_glsink_chain (GstPad * pad, GstData * _data);
- static void gst_glsink_set_clock (GstElement * element, GstClock * clock);
- static GstElementStateReturn gst_glsink_change_state (GstElement *
- element);
- static GstPadLinkReturn gst_glsink_sinkconnect (GstPad * pad,
- GstCaps * caps);
- static GstCaps *gst_glsink_getcaps (GstPad * pad, GstCaps * caps);
-
- static void gst_glsink_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
- static void gst_glsink_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
- static void gst_glsink_release_conn (GstGLSink * sink);
- static void gst_glsink_append_cache (GstGLSink * sink,
- GstImageData * image);
- static gboolean gst_glsink_set_caps (GstGLSink * sink, GstCaps * caps);
-
-/* prototypes from plugins */
- extern GstImagePlugin *get_gl_rgbimage_plugin (void);
- extern GstImagePlugin *get_gl_nvimage_plugin (void);
-
-/* default output */
- extern void gst_glxwindow_new (GstGLSink * sink);
- extern void gst_glxwindow_hook_context (GstImageInfo * info);
- extern void gst_glxwindow_unhook_context (GstImageInfo * info);
-
-
- static GstPadTemplate *sink_template;
-
- static GstElementClass *parent_class = NULL;
-
-/* static guint gst_glsink_signals[LAST_SIGNAL] = { 0 }; */
-
- static GType gst_glsink_get_type (void)
-{
- static GType videosink_type = 0;
-
- if (!videosink_type) {
- static const GTypeInfo videosink_info = {
- sizeof (GstGLSinkClass),
- gst_glsink_base_init,
- NULL,
- (GClassInitFunc) gst_glsink_class_init,
- NULL,
- NULL,
- sizeof (GstGLSink),
- 0,
- (GInstanceInitFunc) gst_glsink_init,
- };
-
- videosink_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstGLSink", &videosink_info,
- 0);
- }
- return videosink_type;
-}
-
-static void
-gst_glsink_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_set_details (element_class, &gst_glsink_details);
-
- gst_element_class_add_pad_template (element_class,
- GST_PAD_TEMPLATE_GET (gst_glsink_sink_template_factory));
-}
-
-static void
-gst_glsink_class_init (GstGLSinkClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- g_object_class_install_property (gobject_class, ARG_WIDTH, g_param_spec_int ("width", "Width", "The video width", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); /* CHECKME */
- g_object_class_install_property (gobject_class, ARG_HEIGHT, g_param_spec_int ("height", "Height", "The video height", G_MININT, G_MAXINT, 0, G_PARAM_READABLE)); /* CHECKME */
- g_object_class_install_property (gobject_class, ARG_FRAMES_DISPLAYED, g_param_spec_int ("frames_displayed", "Frames Displayed", "The number of frames displayed so far", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property (gobject_class, ARG_FRAME_TIME, g_param_spec_int ("frame_time", "Frame time", "The interval between frames", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
- g_object_class_install_property (gobject_class, ARG_HOOK,
- g_param_spec_pointer ("hook", "Hook", "The object receiving the output",
- G_PARAM_WRITABLE));
- g_object_class_install_property (gobject_class, ARG_MUTE,
- g_param_spec_boolean ("mute", "Mute", "mute the output ?", FALSE,
- G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, ARG_REPAINT,
- g_param_spec_boolean ("repaint", "Repaint", "repaint the current frame",
- FALSE, G_PARAM_WRITABLE));
- g_object_class_install_property (gobject_class, ARG_DEMO,
- g_param_spec_int ("demo", "Demo", "demo mode (shows 3D capabilities)", 0,
- 1, 0, G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, ARG_DUMP,
- g_param_spec_boolean ("dump", "Dump",
- "stores sequence of frames in .ppm files", FALSE, G_PARAM_READWRITE));
-
- gobject_class->set_property = gst_glsink_set_property;
- gobject_class->get_property = gst_glsink_get_property;
-
- /*gobject_class->dispose = gst_glsink_dispose; */
-
- gstelement_class->change_state = gst_glsink_change_state;
- gstelement_class->set_clock = gst_glsink_set_clock;
-
- /* plugins */
- klass->plugins = NULL;
- klass->plugins = g_list_append (klass->plugins, get_gl_rgbimage_plugin ());
- klass->plugins = g_list_append (klass->plugins, get_gl_nvimage_plugin ());
-}
-
-
-/*
- GLSink has its own Buffer management - this allows special plugins to create special memory areas for
- buffer upload
-*/
-static void
-gst_glsink_init (GstGLSink * sink)
-{
- sink->sinkpad = gst_pad_new_from_template (sink_template, "sink");
- gst_element_add_pad (GST_ELEMENT (sink), sink->sinkpad);
- gst_pad_set_chain_function (sink->sinkpad, gst_glsink_chain);
- gst_pad_set_link_function (sink->sinkpad, gst_glsink_sinkconnect);
- gst_pad_set_getcaps_function (sink->sinkpad, gst_glsink_getcaps);
- gst_pad_set_bufferpool_function (sink->sinkpad, gst_glsink_get_bufferpool);
-
- sink->last_image = NULL;
- sink->width = 0;
- sink->height = 0;
- sink->muted = FALSE;
- sink->clock = NULL;
- GST_FLAG_SET (sink, GST_ELEMENT_THREAD_SUGGESTED);
- GST_FLAG_SET (sink, GST_ELEMENT_EVENT_AWARE);
-
- /* create bufferpool and image cache */
- GST_DEBUG ("glsink: creating bufferpool");
- sink->cache_lock = g_mutex_new ();
- sink->cache = NULL;
-
- /* plugins */
- sink->plugin = NULL;
- sink->conn = NULL;
-
- /* do initialization of default hook here */
- gst_glxwindow_new (sink);
- //printf("GLSink_init: Current context %p\n", glXGetCurrentContext());
- gst_glxwindow_unhook_context (sink->hook);
-}
-
-/** frees the temporary connection that tests the window system capabilities */
-static void
-gst_glsink_release_conn (GstGLSink * sink)
-{
- if (sink->conn == NULL)
- return;
-
- /* free last image if any */
- if (sink->last_image != NULL) {
- gst_buffer_unref (sink->last_image);
- sink->last_image = NULL;
- }
- /* free cache */
- g_mutex_lock (sink->cache_lock);
- while (sink->cache) {
- sink->plugin->free_image ((GstImageData *) sink->cache->data);
- sink->cache = g_list_delete_link (sink->cache, sink->cache);
- }
- g_mutex_unlock (sink->cache_lock);
-
- /* release connection */
- sink->conn->free_conn (sink->conn);
- sink->conn = NULL;
-}
-
-static void
-gst_glsink_append_cache (GstGLSink * sink, GstImageData * image)
-{
- g_mutex_lock (sink->cache_lock);
- sink->cache = g_list_prepend (sink->cache, image);
- g_mutex_unlock (sink->cache_lock);
-}
-
-#if 0
-/*
- Create a new buffer to hand up the chain.
- This allows the plugins to make its own decoding buffers
- */
-static GstBuffer *
-gst_glsink_buffer_new (GstBufferPool * pool, gint64 location,
- guint size, gpointer user_data)
-{
- GstGLSink *sink;
- GstBuffer *buffer;
- GstImageData *image;
-
- sink = GST_GLSINK (user_data);
-
- /* If cache is non-empty, get buffer from there */
- if (sink->cache != NULL) {
- g_mutex_lock (sink->cache_lock);
- image = (GstImageData *) sink->cache->data;
- sink->cache = g_list_delete_link (sink->cache, sink->cache);
- g_mutex_unlock (sink->cache_lock);
- } else {
- /* otherwise, get one from the plugin */
- image = sink->plugin->get_image (sink->hook, sink->conn);
- }
-
- buffer = gst_buffer_new ();
- GST_BUFFER_DATA (buffer) = image->data;
- GST_BUFFER_SIZE (buffer) = image->size;
- GST_BUFFER_POOL_PRIVATE (buffer) = image;
-
- return buffer;
-}
-
-/*
- Free a buffer that the chain doesn't need anymore.
-*/
-static void
-gst_glsink_buffer_free (GstBufferPool * pool, GstBuffer * buffer,
- gpointer user_data)
-{
- GstGLSink *sink =
- GST_GLSINK (gst_buffer_pool_get_user_data (GST_BUFFER_BUFFERPOOL
- (buffer)));
-
- gst_glsink_append_cache (sink,
- (GstImageData *) GST_BUFFER_POOL_PRIVATE (buffer));
-
- /* set to NULL so the data is not freed */
- GST_BUFFER_DATA (buffer) = NULL;
-
- gst_buffer_default_free (buffer);
-}
-#endif
-
-/*
- Set the caps that the application desires.
- Go through the plugin list, finding the plugin that first fits the given parameters
-*/
-static gboolean
-gst_glsink_set_caps (GstGLSink * sink, GstCaps * caps)
-{
- g_warning ("in glsink set caps!\n");
- printf ("Getting GLstring, context is %p\n", glXGetCurrentContext ());
-
- GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins;
- GstImageConnection *conn = NULL;
-
- while (list) {
- printf ("AGetting GLstring, context is %p\n", glXGetCurrentContext ());
- GstImagePlugin *plugin = (GstImagePlugin *) list->data;
-
- if ((conn = plugin->set_caps (sink->hook, caps)) != NULL) {
- //gst_glsink_release_conn (sink);
- printf ("BGetting GLstring, context is %p\n", glXGetCurrentContext ());
- sink->conn = conn;
- printf ("CGetting GLstring, context is %p\n", glXGetCurrentContext ());
- sink->plugin = plugin;
- sink->conn->open_conn (sink->conn, sink->hook);
- return TRUE;
- }
- list = g_list_next (list);
- }
- return FALSE;
-}
-
-/**
-Link the input video sink internally.
-*/
-static GstPadLinkReturn
-gst_glsink_sinkconnect (GstPad * pad, GstCaps * caps)
-{
- g_warning ("in glsink sinkconnect!\n");
- GstGLSink *sink;
- guint32 fourcc, print_format, result;
-
- sink = GST_GLSINK (gst_pad_get_parent (pad));
-
- /* we are not going to act on variable caps */
- if (!GST_CAPS_IS_FIXED (caps))
- return GST_PAD_LINK_DELAYED;
-
- gst_glxwindow_hook_context (sink->hook);
- /* try to set the caps on the output */
- result = gst_glsink_set_caps (sink, caps);
- gst_glxwindow_unhook_context (sink->hook);
-
- if (result == FALSE) {
- return GST_PAD_LINK_REFUSED;
- }
-
- /* remember width & height */
- gst_caps_get_int (caps, "width", &sink->width);
- gst_caps_get_int (caps, "height", &sink->height);
-
- gst_caps_get_fourcc_int (caps, "format", &fourcc);
- print_format = GULONG_FROM_LE (fourcc);
- GST_DEBUG ("glsink: setting %08x (%4.4s) %dx%d\n",
- fourcc, (gchar *) & print_format, sink->width, sink->height);
-
- /* emit signal */
- g_object_freeze_notify (G_OBJECT (sink));
- g_object_notify (G_OBJECT (sink), "width");
- g_object_notify (G_OBJECT (sink), "height");
- g_object_thaw_notify (G_OBJECT (sink));
-
- return GST_PAD_LINK_OK;
-}
-static GstCaps *
-gst_glsink_getcaps (GstPad * pad, GstCaps * caps)
-{
- g_warning ("in glsink get caps!\n");
- /* what is the "caps" parameter good for? */
- GstGLSink *sink = GST_GLSINK (gst_pad_get_parent (pad));
- GstCaps *ret = NULL;
- GList *list = ((GstGLSinkClass *) G_OBJECT_GET_CLASS (sink))->plugins;
-
- gst_glxwindow_hook_context (sink->hook);
- while (list) {
- ret =
- gst_caps_append (ret,
- ((GstImagePlugin *) list->data)->get_caps (sink->hook));
- list = g_list_next (list);
- }
-
- gst_glxwindow_unhook_context (sink->hook);
- return ret;
-}
-
-static void
-gst_glsink_set_clock (GstElement * element, GstClock * clock)
-{
- GstGLSink *sink = GST_GLSINK (element);
-
- sink->clock = clock;
-}
-static void
-gst_glsink_chain (GstPad * pad, GstData * _data)
-{
- //g_warning("in glsink_chain!\n");
- GstBuffer *buf = GST_BUFFER (_data);
- GstGLSink *sink;
-
- GstBuffer *buffer;
-
- g_return_if_fail (pad != NULL);
- g_return_if_fail (GST_IS_PAD (pad));
- g_return_if_fail (buf != NULL);
-
- sink = GST_GLSINK (gst_pad_get_parent (pad));
-
- if (GST_IS_EVENT (buf)) {
- GstEvent *event = GST_EVENT (buf);
-
- switch (GST_EVENT_TYPE (event)) {
- default:
- gst_pad_event_default (pad, event);
- }
- return;
- }
- GST_DEBUG ("glsink: clock wait: %llu %u",
- GST_BUFFER_TIMESTAMP (buf), GST_BUFFER_SIZE (buf));
-
-#if 0
- GstClockTime time = GST_BUFFER_TIMESTAMP (buf);
- static int frame_drops = 0;
-
- if (sink->clock && time != -1) {
- if (time < gst_clock_get_time (sink->clock)) {
- g_warning ("Frame drop (%d consecutive) !!", frame_drops);
- /* we are going to drop late buffers */
- gst_buffer_unref (buf);
- frame_drops++;
- return;
- }
- frame_drops = 0; // we made it - reset time
-
- GstClockReturn ret;
- GstClockID id =
- gst_clock_new_single_shot_id (sink->clock, GST_BUFFER_TIMESTAMP (buf));
-
- ret = gst_element_clock_wait (GST_ELEMENT (sink), id, NULL);
- gst_clock_id_free (id);
-
- /* we are going to drop early buffers */
- if (ret == GST_CLOCK_EARLY) {
- gst_buffer_unref (buf);
- return;
- }
- }
-#endif
-
- /* call the notify _before_ displaying so the handlers can react */
- sink->frames_displayed++;
- g_object_notify (G_OBJECT (sink), "frames_displayed");
-
- if (!sink->muted) {
- if (glXGetCurrentContext () == NULL) {
- printf ("Rehooking window !\n");
- gst_glxwindow_hook_context (sink->hook);
-
-#if 1
- GST_DEBUG ("Initializing OpenGL parameters\n");
- /* initialize OpenGL drawing */
- glEnable (GL_DEPTH_TEST);
- glEnable (GL_TEXTURE_2D);
- glClearDepth (1.0f);
- glClearColor (0, 0, 0, 0);
-
- glEnable (GL_AUTO_NORMAL); // let OpenGL generate the Normals
-
- glDisable (GL_BLEND);
- glDisable (GL_CULL_FACE);
- glPolygonMode (GL_FRONT, GL_FILL);
- glPolygonMode (GL_BACK, GL_FILL);
-
- glShadeModel (GL_SMOOTH);
- glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
-
- GstGLImageInfo *window = (GstGLImageInfo *) sink->hook;
- int w = window->width, h = window->height;
-
- glViewport (0, 0, (GLint) w, (GLint) h);
- glMatrixMode (GL_PROJECTION);
- glLoadIdentity ();
-
- GLfloat aspect = (GLfloat) w / (GLfloat) h;
-
- glFrustum (-aspect, aspect, -1.0, 1.0, 5.0, 500.0);
-
-#endif
- gst_glxwindow_unhook_context (sink->hook);
- gst_glxwindow_hook_context (sink->hook);
- glMatrixMode (GL_MODELVIEW);
-#if 0
- sink->hook->free_info (sink->hook);
- printf ("Reallocating window brutally !\n");
- gst_glxwindow_new (sink);
-#endif
- }
-
- /* free last_image, if any */
- if (sink->last_image != NULL)
- gst_buffer_unref (sink->last_image);
- if (sink->bufferpool && GST_BUFFER_BUFFERPOOL (buf) == sink->bufferpool) {
-
- // awful hack ! But I currently have no other solution without changing the API
- sink->hook->demo = sink->demo;
- sink->hook->dumpvideo = sink->dumpvideo;
-
- sink->plugin->put_image (sink->hook,
- (GstImageData *) GST_BUFFER_POOL_PRIVATE (buf));
- sink->last_image = buf;
- } else {
- buffer =
- gst_buffer_new_from_pool (gst_glsink_get_bufferpool (sink->sinkpad),
- 0, GST_BUFFER_SIZE (buf));
- memcpy (GST_BUFFER_DATA (buffer), GST_BUFFER_DATA (buf),
- GST_BUFFER_SIZE (buf) >
- GST_BUFFER_SIZE (buffer) ? GST_BUFFER_SIZE (buffer) :
- GST_BUFFER_SIZE (buf));
-
- sink->plugin->put_image (sink->hook,
- (GstImageData *) GST_BUFFER_POOL_PRIVATE (buffer));
-
- sink->last_image = buffer;
- gst_buffer_unref (buf);
- }
-
- //gst_glxwindow_unhook_context(sink->hook);
- }
-
-}
-
-
-static void
-gst_glsink_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
-{
- //g_warning("in set_property!\n");
- GstGLSink *sink;
-
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail (GST_IS_GLSINK (object));
-
- sink = GST_GLSINK (object);
-
- switch (prop_id) {
- case ARG_FRAMES_DISPLAYED:
- sink->frames_displayed = g_value_get_int (value);
- g_object_notify (object, "frames_displayed");
- break;
- case ARG_FRAME_TIME:
- sink->frame_time = g_value_get_int (value);
- break;
- case ARG_HOOK:
- if (sink->hook) {
- sink->hook->free_info (sink->hook);
- }
- sink->hook = g_value_get_pointer (value);
- break;
- case ARG_MUTE:
- sink->muted = g_value_get_boolean (value);
- g_object_notify (object, "mute");
- break;
- case ARG_DEMO:
- sink->demo = g_value_get_int (value);
- g_object_notify (object, "demo");
- break;
- case ARG_DUMP:
- sink->dumpvideo = g_value_get_boolean (value);
- g_object_notify (object, "dump");
- break;
- case ARG_REPAINT:
- if (sink->last_image != NULL) {
- sink->plugin->put_image (sink->hook,
- (GstImageData *) GST_BUFFER_POOL_PRIVATE (sink->last_image));
- }
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_glsink_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- //g_warning("in get_property!\n");
- GstGLSink *sink;
-
- /* it's not null if we got it, but it might not be ours */
- sink = GST_GLSINK (object);
-
- switch (prop_id) {
- case ARG_WIDTH:
- g_value_set_int (value, sink->width);
- break;
- case ARG_HEIGHT:
- g_value_set_int (value, sink->height);
- break;
- case ARG_FRAMES_DISPLAYED:
- g_value_set_int (value, sink->frames_displayed);
- break;
- case ARG_FRAME_TIME:
- g_value_set_int (value, sink->frame_time / 1000000);
- break;
- case ARG_MUTE:
- g_value_set_boolean (value, sink->muted);
- break;
- case ARG_DEMO:
- g_value_set_int (value, sink->demo);
- break;
- case ARG_DUMP:
- g_value_set_boolean (value, sink->dumpvideo);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-
-static GstElementStateReturn
-gst_glsink_change_state (GstElement * element)
-{
- //g_warning("in change_state!\n");
- GstGLSink *sink;
-
- sink = GST_GLSINK (element);
-
- switch (GST_STATE_TRANSITION (element)) {
- case GST_STATE_NULL_TO_READY:
- break;
- case GST_STATE_READY_TO_PAUSED:
- {
- //g_warning("Going GST_STATE_READY_TO_PAUSED: %p", sink->conn);
- }
- break;
- case GST_STATE_PAUSED_TO_PLAYING:
- {
- //g_warning("Going GST_STATE_PAUSED_TO_PLAYING: %p", sink->conn);
- }
- break;
- case GST_STATE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_PAUSED_TO_READY:
- if (sink->conn)
- sink->conn->close_conn (sink->conn, sink->hook);
- if (sink->last_image) {
- gst_buffer_unref (sink->last_image);
- sink->last_image = NULL;
- }
- break;
- case GST_STATE_READY_TO_NULL:
- gst_glsink_release_conn (sink);
- break;
- }
-
- parent_class->change_state (element);
-
- return GST_STATE_SUCCESS;
-}
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- /* Loading the library containing GstVideoSink, our parent object */
- if (!gst_library_load ("gstvideo"))
- return FALSE;
-
- /* this is needed later on in the _real_ init (during a gst-launch) */
- sink_template = gst_pad_template_new ("sink",
- GST_PAD_SINK, GST_PAD_ALWAYS, NULL);
-
- if (!gst_element_register (plugin, "glsink", GST_RANK_NONE, GST_TYPE_GLSINK))
- return FALSE;
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "glsink",
- "An OpenGL based video sink - uses OpenGL and GLX to draw video, utilizing different acceleration options",
- plugin_init, VERSION, GST_LICENSE, GST_PACKAGE, GST_ORIGIN);
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2002 The GStreamer Team
- * <gstreamer-devel@lists.sourceforge.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-
-#ifndef __GST_VIDEOSINK_H__
-#define __GST_VIDEOSINK_H__
-
-#include <gst/gst.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#define MAX_FLIP_BUFFERS 1
-
-typedef struct _GstImageInfo GstImageInfo;
-struct _GstImageInfo {
- gulong id;
- int demo;
- int dumpvideo;
- void (*free_info) (GstImageInfo *info);
-};
-
-
-typedef struct _GstImageData GstImageData;
-struct _GstImageData {
- gint size;
- gchar *data;
-};
-
-typedef struct _GstImageConnection GstImageConnection;
-struct _GstImageConnection {
- void (*open_conn) (GstImageConnection *conn, GstImageInfo *info);
- void (*close_conn) (GstImageConnection *conn, GstImageInfo *info);
- void (*free_conn) (GstImageConnection *conn);
-};
-
-typedef GstCaps * (*GstImagePluginGetCapsFunc) (GstImageInfo *info);
-typedef GstImageConnection * (*GstImagePluginSetCapsFunc) (GstImageInfo *info, GstCaps *caps);
-typedef GstImageData* (*GstImagePluginGetImageFunc) (GstImageInfo *info, GstImageConnection *conn);
-typedef void (*GstImagePluginPutImageFunc) (GstImageInfo *info, GstImageData *image);
-typedef void (*GstImagePluginFreeImageFunc) (GstImageData *image);
-
-typedef struct _GstImagePlugin GstImagePlugin;
-struct _GstImagePlugin {
- GstImagePluginGetCapsFunc get_caps;
- GstImagePluginSetCapsFunc set_caps;
- GstImagePluginGetImageFunc get_image;
- GstImagePluginPutImageFunc put_image;
- GstImagePluginFreeImageFunc free_image;
-};
-
-typedef struct _GstGLImageInfo GstGLImageInfo;
-/* stuff about our window grouped together */
-struct _GstGLImageInfo {
- GstImageInfo info;
- Display *dpy;
- int screen;
- Window win;
- GLXContext ctx;
- XSetWindowAttributes attr;
- Bool fs;
- //XF86VidModeModeInfo deskMode;
- int x, y;
- unsigned int width, height;
- unsigned int depth;
- /* window specific from here */
- GstElement *sink;
- gulong handler_id;
- float rotX,rotY,zoom, zoomdir;
-};
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-
-#endif /* __GST_VIDEOSINK_H__ */
+++ /dev/null
-/* This stores the common OpenGL initialization stuff for all instances */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-/* gcc -ansi -pedantic on GNU/Linux causes warnings and errors
- * unless this is defined:
- * warning: #warning "Files using this header must be compiled with _SVID_SOURCE or _XOPEN_SOURCE"
- */
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 1
-#endif
-
-#include <X11/Xlib.h>
-#include <GL/glx.h>
-#include <GL/gl.h>
-#include <GL/glu.h>
-#include "gstglsink.h"
-#include <string.h> /* strncmp */
-
-/* attributes for a single buffered visual in RGBA format with at least
- * 4 bits per color and a 16 bit depth buffer */
-static int attrListSgl[] = {
- GLX_RGBA, GLX_RED_SIZE, 4,
- GLX_GREEN_SIZE, 4,
- GLX_BLUE_SIZE, 4,
- GLX_DEPTH_SIZE, 16,
- None
-};
-
-/* attributes for a double buffered visual in RGBA format with at least
- * 4 bits per color and a 16 bit depth buffer */
-static int attrListDbl[] = {
- GLX_RGBA, GLX_DOUBLEBUFFER,
- GLX_RED_SIZE, 4,
- GLX_GREEN_SIZE, 4,
- GLX_BLUE_SIZE, 4,
- GLX_DEPTH_SIZE, 16,
- None
-};
-
-
-GLfloat LightAmbient[] = { 0.1, 0.1, 0.1, 1.0 }; /* reddish ambient light */
-GLfloat LightDiffuse[] = { 0.6, 0.6, 0.6, 1.0 }; /* bluish diffuse light. */
-GLfloat LightPosition[] = { 1.5, 1.5, 1.5, 0.0 }; /* position */
-
-
-void
-gst_glxwindow_unhook_context (GstImageInfo * info)
-{
- GstGLImageInfo *window = (GstGLImageInfo *) info;
-
- if (window->ctx) {
- if (!glXMakeCurrent (window->dpy, None, NULL)) {
- printf ("Could not release drawing context.\n");
- } else
- printf ("Released drawing context.\n");
- }
-}
-
-void
-gst_glxwindow_hook_context (GstImageInfo * info)
-{
- GstGLImageInfo *window = (GstGLImageInfo *) info;
-
- if (window->ctx && window->win && window->ctx) {
- if (!glXMakeCurrent (window->dpy, window->win, window->ctx)) {
- printf ("Could not acquire GLX drawing context.\n");
- } else
- printf ("Acquired drawing context.\n");
- }
-}
-
-static void
-gst_glxwindow_free (GstImageInfo * info)
-{
- GstGLImageInfo *window = (GstGLImageInfo *) info;
-
- g_signal_handler_disconnect (window->sink, window->handler_id);
-
- if (window->ctx) {
- if (!glXMakeCurrent (window->dpy, None, NULL)) {
- printf ("Could not release drawing context.\n");
- }
- glXDestroyContext (window->dpy, window->ctx);
- window->ctx = NULL;
- }
-#if 0
- /* switch back to original desktop resolution if we were in fs */
- if (GLWin.fs) {
- XF86VidModeSwitchToMode (GLWin.dpy, GLWin.screen, &GLWin.deskMode);
- XF86VidModeSetViewPort (GLWin.dpy, GLWin.screen, 0, 0);
- }
-#endif
- XCloseDisplay (window->dpy);
- g_free (window);
-}
-
-static void
-gst_glxwindow_callback (GObject * object, GParamSpec * pspec,
- GstGLImageInfo * data)
-{
- XWindowAttributes attr;
-
- XGetWindowAttributes (data->dpy, data->win, &attr);
-
- if (strncmp (pspec->name, "width", 5) == 0
- || strncmp (pspec->name, "height", 6) == 0) {
- gint w = 0;
- gint h = 0;
-
- g_object_get (object, "width", &w, NULL);
- g_object_get (object, "height", &h, NULL);
- if (w != attr.width || h != attr.height) {
- attr.width = w;
- attr.height = h;
- XResizeWindow (data->dpy, data->win, attr.width, attr.height);
- XMapRaised (data->dpy, data->win);
-
- // resize OpenGL
- g_warning ("resizing in OpenGL");
- glViewport (0, 0, (GLint) w, (GLint) h);
- glMatrixMode (GL_PROJECTION);
- glLoadIdentity ();
-
- GLfloat aspect = (GLfloat) h / (GLfloat) w;
-
- glFrustum (-1.0, 1.0, -aspect, aspect, 5.0, 500.0);
- }
- }
- if (attr.width != data->width || attr.height != data->height) {
- data->width = attr.width;
- data->height = attr.height;
- }
-
-}
-
-void
-gst_glxwindow_new (GstElement * sink)
-{
- //XGCValues values;
- GstGLImageInfo *new;
- int glxMajorVersion, glxMinorVersion;
-
- //XSetWindowAttributes attrib;
- XVisualInfo *vi;
- Atom wmDelete;
- Window winDummy;
- unsigned int borderDummy;
- Colormap cmap;
- char *title = "GLSink (experimental)";
-
- new = g_new0 (GstGLImageInfo, 1);
-
- if (sink == NULL) {
- sink = gst_element_factory_make ("glsink", "glsink");
- g_assert (sink != NULL);
- }
-
- /* fill in the ImageInfo */
- new->info.id = GST_MAKE_FOURCC ('X', 'l', 'i', 'b');
- new->info.free_info = gst_glxwindow_free;
-
- new->dpy = XOpenDisplay (NULL);
- if (!new->dpy) {
- g_warning ("open display failed!\n");
- g_free (new);
- return;
- }
- new->screen = DefaultScreen (new->dpy);
- /* get an appropriate visual */
- vi = glXChooseVisual (new->dpy, new->screen, attrListDbl);
- if (vi == NULL) {
- vi = glXChooseVisual (new->dpy, new->screen, attrListSgl);
- GST_DEBUG ("Only Singlebuffered Visual!\n");
- } else {
- GST_DEBUG ("Got Doublebuffered Visual!\n");
- }
- glXQueryVersion (new->dpy, &glxMajorVersion, &glxMinorVersion);
- GST_DEBUG ("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
-
- /* create a GLX context */
- new->ctx = glXCreateContext (new->dpy, vi, 0, GL_TRUE);
- /* create a color map */
- cmap = XCreateColormap (new->dpy, RootWindow (new->dpy, vi->screen),
- vi->visual, AllocNone);
- new->attr.colormap = cmap;
- new->attr.border_pixel = 0;
-
- /* set sizes */
- new->x = 0;
- new->y = 0;
- new->width = 10;
- new->height = 10;
-
- new->rotX = 0;
- new->rotY = 0;
- new->zoom = 1;
- new->zoomdir = 0.01;
-
- {
- /* create a window in window mode */
- new->attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
- StructureNotifyMask;
- new->win = XCreateWindow (new->dpy, RootWindow (new->dpy, vi->screen),
- new->x, new->y, new->width, new->height, 0, vi->depth, InputOutput,
- vi->visual, CWBorderPixel | CWColormap | CWEventMask, &new->attr);
- if (!new->win) {
- g_warning ("create window failed\n");
- g_free (new);
- return;
- }
- /* only set window title and handle wm_delete_events if in windowed mode */
- wmDelete = XInternAtom (new->dpy, "WM_DELETE_WINDOW", True);
- XSetWMProtocols (new->dpy, new->win, &wmDelete, 1);
- XSetStandardProperties (new->dpy, new->win, title,
- title, None, NULL, 0, NULL);
- XMapRaised (new->dpy, new->win);
- }
- /* connect the glx-context to the window */
- glXMakeCurrent (new->dpy, new->win, new->ctx);
- XGetGeometry (new->dpy, new->win, &winDummy, &new->x, &new->y,
- &new->width, &new->height, &borderDummy, &new->depth);
- printf ("Depth %d\n", new->depth);
- if (glXIsDirect (new->dpy, new->ctx))
- GST_DEBUG ("Congrats, you have Direct Rendering!\n");
- else
- GST_DEBUG ("Sorry, no Direct Rendering possible!\n");
-
- g_warning ("Initializing OpenGL parameters\n");
- /* initialize OpenGL drawing */
- glEnable (GL_DEPTH_TEST);
- //glShadeModel(GL_SMOOTH);
-
- glEnable (GL_TEXTURE_2D);
- glDisable (GL_CULL_FACE);
- glClearDepth (1.0f);
- glClearColor (0, 0, 0, 0);
-
- glLightfv (GL_LIGHT0, GL_AMBIENT, LightAmbient); /* add lighting. (ambient) */
- glLightfv (GL_LIGHT0, GL_DIFFUSE, LightDiffuse); /* add lighting. (diffuse). */
- glLightfv (GL_LIGHT0, GL_POSITION, LightPosition); /* set light position. */
-
- //glEnable(GL_LIGHT0); // Quick And Dirty Lighting (Assumes Light0 Is Set Up)
- //glEnable(GL_LIGHTING); // Enable Lighting
- glDisable (GL_COLOR_MATERIAL); // Enable Material Coloring
- glEnable (GL_AUTO_NORMAL); // let OpenGL generate the Normals
-
- glDisable (GL_BLEND);
-
- glPolygonMode (GL_FRONT, GL_FILL);
- glPolygonMode (GL_BACK, GL_FILL);
-
- glShadeModel (GL_SMOOTH);
- glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
-
- XSelectInput (new->dpy, new->win, ExposureMask | StructureNotifyMask);
-
- g_object_set (sink, "hook", new, NULL);
- new->sink = sink;
- new->handler_id =
- g_signal_connect (sink, "notify", G_CALLBACK (gst_glxwindow_callback),
- new);
-}
+++ /dev/null
-// these includes don't do a lot in Linux, they are more needed in Win32 (for the OpenGL function call pointers)
-// but they are used at least for checking if the necessary extensions are present
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "ARB_multitexture.h"
-#include "NV_register_combiners.h"
-#include "EXT_paletted_texture.h"
-
-/***********************************************************************************************
- INTERESTING PART: *
- handles initialization of the Nvidia register combiners for YUV->RGB conversion.
- This code was created by Jens Schneider <schneider@glhint.de>
- ***********************************************************************************************/
-
-GLuint Yhandle;
-GLuint Uhandle;
-GLuint Vhandle;
-unsigned char *YPlane;
-unsigned char *UPlane;
-unsigned char *VPlane;
-
-// YUV 4:2:2 example
-unsigned int Ywidth = 512, Yheight = 512;
-unsigned int UVwidth = 256, UVheight = 512;
-
-int tex_xsize, tex_ysize;
-
-void
-GenerateRGBTables (unsigned char *Ytable, // Y-palette
- unsigned char *Utable, // U-palette
- unsigned char *Vtable, // V-palette
- float *bias, // bias (fourth vector to be added)
- float *Uscale, // scaling color for U
- float *Vscale) // scaling color for V
-{
- int i;
- const float mat[9] = { // the modified YUV->RGB matrix
- +1.130469478f, -0.058755723f, +1.596026304f,
- +1.130469478f, -0.450515935f, -0.812967512f,
- +1.130469478f, +1.958477882f, 0.0f
- };
-
-#define COMPRESS(a)(0.5f*(a)+128.0f) // counter-piece to EXPAND_NORMAL
-#define fCOMPRESS(a) (0.5f*(a)+0.5f);
-#define XCLAMP(a) ((a)<0.0f ? 0.0f : ((a)>255.0f ? 255.0f : (a))) // should not be necessary, but what do you know.
- bias[0] = fCOMPRESS (-0.842580964f);
- bias[1] = fCOMPRESS (+0.563287723f);
- bias[2] = fCOMPRESS (-1.0f);
- bias[3] = 0.0f;
- Uscale[0] = 8.0f / 255.0f;
- Uscale[1] = 60.0f / 255.0f;
- Uscale[2] = 250.0f / 255.0f;
- Uscale[3] = 0.0f;
- Vscale[0] = 204.0f / 255.0f;
- Vscale[1] = 105.0f / 255.0f;
- Vscale[2] = 0.5f;
- Vscale[3] = 0.0f;
- for (i = 0; i < 256; i++) {
- // Y-table holds unsigned values
- Ytable[3 * i] = (unsigned char) XCLAMP (mat[0] * (float) i); // R
- Ytable[3 * i + 1] = (unsigned char) XCLAMP (mat[3] * (float) i); // G
- Ytable[3 * i + 2] = (unsigned char) XCLAMP (mat[6] * (float) i); // B
- // U-table holds signed values
- Utable[3 * i] = (unsigned char) XCLAMP (COMPRESS (255.0f / 16.0f * mat[1] * (float) i)); // R
- Utable[3 * i + 1] = (unsigned char) XCLAMP (COMPRESS (255.0f / 120.0f * mat[4] * (float) i)); // G
- Utable[3 * i + 2] = (unsigned char) XCLAMP (COMPRESS (255.0f / 500.0f * mat[7] * (float) i)); // B
- // V-table holds signed values
- Vtable[3 * i] = (unsigned char) XCLAMP (COMPRESS (255.0f / 408.0f * mat[2] * (float) i)); // R
- Vtable[3 * i + 1] = (unsigned char) XCLAMP (COMPRESS (255.0f / 210.0f * mat[5] * (float) i)); // G
- Vtable[3 * i + 2] = (unsigned char) (128.0f - 14.0f); // G constant
- }
-#undef fCOMPRESS
-#undef COMPRESS
-#undef XCLAMP
-}
-
-
-// Sets the constants. Call once prior to rendering.
-void
-SetConsts (float *bias, float *Uscale, float *Vscale)
-{
- glEnable (GL_REGISTER_COMBINERS_NV);
- glColor3fv (bias);
- //printf("%f %f %f\n",bias[0],bias[1],bias[2]);
- glCombinerParameterfvNV (GL_CONSTANT_COLOR0_NV, Uscale);
- glCombinerParameterfvNV (GL_CONSTANT_COLOR1_NV, Vscale);
-}
-
-/*
- * SOFTWARE PATH
- */
-
-inline void
-map_EXPAND_NORMAL (float *v)
-{
- v[0] = 2.0f * v[0] - 1.0f;
- v[1] = 2.0f * v[1] - 1.0f;
- v[2] = 2.0f * v[2] - 1.0f;
-}
-
-inline void
-map_UNSIGNED_INVERT (float *v)
-{
- v[0] = 1.0f - v[0];
- v[1] = 1.0f - v[1];
- v[2] = 1.0f - v[2];
-}
-
-inline void
-map_UNSIGNED_IDENTITY (float *v)
-{
- v[0] = (v[0] < 0.0f ? 0.0f : v[0]);
- v[1] = (v[1] < 0.0f ? 0.0f : v[1]);
- v[2] = (v[2] < 0.0f ? 0.0f : v[2]);
-}
-
-inline void
-map_SIGNED_IDENTITY (float *v)
-{
-}
-
-inline void
-omap_SCALE_BY_TWO (float *v)
-{
- v[0] *= 2.0f;
- v[1] *= 2.0f;
- v[2] *= 2.0f;
-}
-
-inline void
-omap_SCALE_BY_ONE_HALF (float *v)
-{
- v[0] *= 0.5f;
- v[1] *= 0.5f;
- v[2] *= 0.5f;
-}
-
-inline void
-omap_RANGE (float *v)
-{
- v[0] = (v[0] < -1.0f ? -1.0f : (v[0] > 1.0f ? 1.0f : v[0]));
- v[1] = (v[1] < -1.0f ? -1.0f : (v[1] > 1.0f ? 1.0f : v[1]));
- v[2] = (v[2] < -1.0f ? -1.0f : (v[2] > 1.0f ? 1.0f : v[2]));
-}
-
-
-inline void
-omap_CLAMP_01 (float *v)
-{
- v[0] = (v[0] < 0.0f ? 0.0f : (v[0] > 1.0f ? 1.0f : v[0]));
- v[1] = (v[1] < 0.0f ? 0.0f : (v[1] > 1.0f ? 1.0f : v[1]));
- v[2] = (v[2] < 0.0f ? 0.0f : (v[2] > 1.0f ? 1.0f : v[2]));
-}
-
-void
-PerformSWCombiner (unsigned char *Result,
- unsigned char *tex0,
- unsigned char *tex1,
- unsigned char *tex2, float *COLOR0, float *CONST0, float *CONST1)
-{
- float SPARE0[3];
- float SPARE1[3];
- float A[3], B[3], C[3], D[3];
- float TEX0[3], TEX1[3], TEX2[3];
- float ZERO[3] = { 0.0f, 0.0f, 0.0f };
-
- TEX0[0] = (float) tex0[0] / 255.0f;
- TEX0[1] = (float) tex0[1] / 255.0f;
- TEX0[2] = (float) tex0[2] / 255.0f;
-
- TEX1[0] = (float) tex1[0] / 255.0f;
- TEX1[1] = (float) tex1[1] / 255.0f;
- TEX1[2] = (float) tex1[2] / 255.0f;
-
- TEX2[0] = (float) tex2[0] / 255.0f;
- TEX2[1] = (float) tex2[1] / 255.0f;
- TEX2[2] = (float) tex2[2] / 255.0f;
-
- // Combiner Stage 0:
- memcpy (A, TEX0, 3 * sizeof (float));
- map_UNSIGNED_IDENTITY (A);
- memcpy (B, ZERO, 3 * sizeof (float));
- map_UNSIGNED_INVERT (B);
- memcpy (C, COLOR0, 3 * sizeof (float));
- map_EXPAND_NORMAL (C);
- memcpy (D, ZERO, 3 * sizeof (float));
- map_UNSIGNED_INVERT (D);
- SPARE0[0] = A[0] * B[0] + C[0] * D[0];
- SPARE0[1] = A[1] * B[1] + C[1] * D[1];
- SPARE0[2] = A[2] * B[2] + C[2] * D[2];
- omap_SCALE_BY_ONE_HALF (SPARE0);
- omap_RANGE (SPARE0);
-
- // Combiner Stage 1:
- memcpy (A, TEX1, 3 * sizeof (float));
- map_EXPAND_NORMAL (A);
- memcpy (B, CONST0, 3 * sizeof (float));
- map_UNSIGNED_IDENTITY (B);
- memcpy (C, TEX2, 3 * sizeof (float));
- map_EXPAND_NORMAL (C);
- memcpy (D, CONST1, 3 * sizeof (float));
- map_UNSIGNED_IDENTITY (D);
- SPARE1[0] = A[0] * B[0] + C[0] * D[0];
- SPARE1[1] = A[1] * B[1] + C[1] * D[1];
- SPARE1[2] = A[2] * B[2] + C[2] * D[2];
- omap_RANGE (SPARE1);
-
- // Combiner Stage 2:
- memcpy (A, SPARE0, 3 * sizeof (float));
- map_SIGNED_IDENTITY (A);
- memcpy (B, ZERO, 3 * sizeof (float));
- map_UNSIGNED_INVERT (B);
- memcpy (C, SPARE1, 3 * sizeof (float));
- map_SIGNED_IDENTITY (C);
- memcpy (D, ZERO, 3 * sizeof (float));
- map_UNSIGNED_INVERT (D);
- SPARE0[0] = A[0] * B[0] + C[0] * D[0];
- SPARE0[1] = A[1] * B[1] + C[1] * D[1];
- SPARE0[2] = A[2] * B[2] + C[2] * D[2];
- omap_SCALE_BY_TWO (SPARE0);
- omap_RANGE (SPARE0);
-
- // Final Combiner Stage:
- memcpy (A, ZERO, 3 * sizeof (float));
- map_UNSIGNED_INVERT (A);
- memcpy (B, SPARE0, 3 * sizeof (float));
- map_UNSIGNED_IDENTITY (B);
- memcpy (C, ZERO, 3 * sizeof (float));
- map_UNSIGNED_IDENTITY (C);
- memcpy (D, ZERO, 3 * sizeof (float));
- map_UNSIGNED_IDENTITY (D);
- SPARE0[0] = A[0] * B[0] + (1.0f - A[0]) * C[0] + D[0];
- SPARE0[1] = A[1] * B[1] + (1.0f - A[1]) * C[1] + D[1];
- SPARE0[2] = A[2] * B[2] + (1.0f - A[2]) * C[2] + D[2];
- omap_CLAMP_01 (SPARE0);
- Result[0] = (unsigned char) (SPARE0[0] * 255.0f);
- Result[1] = (unsigned char) (SPARE0[1] * 255.0f);
- Result[2] = (unsigned char) (SPARE0[2] * 255.0f);
-}
-
-// Sets up the register combiners. Call once prior to rendering
-void
-SetupCombiners (void)
-{
- glCombinerParameteriNV (GL_NUM_GENERAL_COMBINERS_NV, 3);
- // Combiner Stage 0: th. OK
- glCombinerInputNV (GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_A_NV, GL_TEXTURE0_ARB,
- GL_UNSIGNED_IDENTITY_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_B_NV, GL_ZERO,
- GL_UNSIGNED_INVERT_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_C_NV,
- GL_PRIMARY_COLOR_NV, GL_EXPAND_NORMAL_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_D_NV, GL_ZERO,
- GL_UNSIGNED_INVERT_NV, GL_RGB);
- glCombinerOutputNV (GL_COMBINER0_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV,
- GL_SPARE0_NV, GL_SCALE_BY_ONE_HALF_NV, GL_NONE, GL_FALSE, GL_FALSE,
- GL_FALSE);
- // Combiner Stage 1: th. OK
- glCombinerInputNV (GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_A_NV, GL_TEXTURE1_ARB,
- GL_EXPAND_NORMAL_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_B_NV,
- GL_CONSTANT_COLOR0_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_C_NV, GL_TEXTURE2_ARB,
- GL_EXPAND_NORMAL_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_D_NV,
- GL_CONSTANT_COLOR1_NV, GL_UNSIGNED_IDENTITY_NV, GL_RGB);
- glCombinerOutputNV (GL_COMBINER1_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV,
- GL_SPARE1_NV, GL_NONE, GL_NONE, GL_FALSE, GL_FALSE, GL_FALSE);
- // Combiner Stage 2: th. OK
- glCombinerInputNV (GL_COMBINER2_NV, GL_RGB, GL_VARIABLE_A_NV, GL_SPARE0_NV,
- GL_SIGNED_IDENTITY_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER2_NV, GL_RGB, GL_VARIABLE_B_NV, GL_ZERO,
- GL_UNSIGNED_INVERT_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER2_NV, GL_RGB, GL_VARIABLE_C_NV, GL_SPARE1_NV,
- GL_SIGNED_IDENTITY_NV, GL_RGB);
- glCombinerInputNV (GL_COMBINER2_NV, GL_RGB, GL_VARIABLE_D_NV, GL_ZERO,
- GL_UNSIGNED_INVERT_NV, GL_RGB);
- glCombinerOutputNV (GL_COMBINER2_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV,
- GL_SPARE0_NV, GL_SCALE_BY_TWO_NV, GL_NONE, GL_FALSE, GL_FALSE, GL_FALSE);
- // Final Sage: th. OK
- glFinalCombinerInputNV (GL_VARIABLE_A_NV, GL_ZERO, GL_UNSIGNED_INVERT_NV,
- GL_RGB);
- glFinalCombinerInputNV (GL_VARIABLE_B_NV, GL_SPARE0_NV,
- GL_UNSIGNED_IDENTITY_NV, GL_RGB);
- glFinalCombinerInputNV (GL_VARIABLE_C_NV, GL_ZERO, GL_UNSIGNED_IDENTITY_NV,
- GL_RGB);
- glFinalCombinerInputNV (GL_VARIABLE_D_NV, GL_ZERO, GL_UNSIGNED_IDENTITY_NV,
- GL_RGB);
- glFinalCombinerInputNV (GL_VARIABLE_G_NV, GL_ZERO, GL_UNSIGNED_INVERT_NV,
- GL_ALPHA);
-}
-
-
-unsigned int
-PowerOfTwo (unsigned int i)
-{
- unsigned int bitsum = 0;
- unsigned int shifts = 0;
- unsigned int j = (unsigned int) i;
-
- // Check wether i is a power of two - may contain at most one set bit
- do {
- bitsum += j & 1;
- j = j >> 1;
- ++shifts;
- } while (j > 0);
- if (bitsum == 1)
- return i;
- else
- return (1 << shifts);
-}
-
-
-// Initializes textures. Call once prior to rendering
-void
-InitYUVPlanes (GLuint * Yhandle, GLuint * Uhandle, GLuint * Vhandle, unsigned int Ywidth, unsigned int Yheight, unsigned int UVwidth, unsigned int UVheight, GLenum filter, // filter should be either GL_NEAREST or GL_LINEAR. Test this!
- unsigned char *Ypal, unsigned char *Upal, unsigned char *Vpal)
-{
- glGenTextures (1, Yhandle);
- glGenTextures (1, Uhandle);
- glGenTextures (1, Vhandle);
- glBindTexture (GL_TEXTURE_2D, (*Yhandle));
-#ifdef _WIN32
- glColorTableEXT (GL_TEXTURE_2D, GL_RGB8, 256, GL_RGB, GL_UNSIGNED_BYTE, Ypal);
-#else // Hopefully Linux
- glColorTable (GL_TEXTURE_2D, GL_RGB8, 256, GL_RGB, GL_UNSIGNED_BYTE, Ypal);
-#endif
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
- tex_xsize = PowerOfTwo (Ywidth);
- tex_ysize = PowerOfTwo (Yheight);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, PowerOfTwo (Ywidth),
- PowerOfTwo (Yheight), 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, NULL);
-
- glBindTexture (GL_TEXTURE_2D, (*Uhandle));
-#ifdef _WIN32
- glColorTableEXT (GL_TEXTURE_2D, GL_RGB8, 256, GL_RGB, GL_UNSIGNED_BYTE, Upal);
-#else // Hopefully Linux
- glColorTable (GL_TEXTURE_2D, GL_RGB8, 256, GL_RGB, GL_UNSIGNED_BYTE, Upal);
-#endif
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, PowerOfTwo (UVwidth),
- PowerOfTwo (UVheight), 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, NULL);
-
- glBindTexture (GL_TEXTURE_2D, (*Vhandle));
-#ifdef _WIN32
- glColorTableEXT (GL_TEXTURE_2D, GL_RGB8, 256, GL_RGB, GL_UNSIGNED_BYTE, Vpal);
-#else // Hopefully Linux
- glColorTable (GL_TEXTURE_2D, GL_RGB8, 256, GL_RGB, GL_UNSIGNED_BYTE, Vpal);
-#endif
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
- glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexImage2D (GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, PowerOfTwo (UVwidth),
- PowerOfTwo (UVheight), 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, NULL);
-}
-
-void
-LoadYUVPlanes (GLuint Yhandle, GLuint Uhandle, GLuint Vhandle,
- unsigned int Ywidth, unsigned int Yheight,
- unsigned int UVwidth, unsigned int UVheight,
- unsigned char *Ydata, unsigned char *Udata, unsigned char *Vdata)
-{
- glActiveTextureARB (GL_TEXTURE0_ARB);
- glBindTexture (GL_TEXTURE_2D, Yhandle);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, Ywidth, Yheight, GL_COLOR_INDEX,
- GL_UNSIGNED_BYTE, Ydata);
- glEnable (GL_TEXTURE_2D);
-
- glActiveTextureARB (GL_TEXTURE1_ARB);
- glBindTexture (GL_TEXTURE_2D, Uhandle);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, UVwidth, UVheight, GL_COLOR_INDEX,
- GL_UNSIGNED_BYTE, Udata);
- glEnable (GL_TEXTURE_2D);
-
- glActiveTextureARB (GL_TEXTURE2_ARB);
- glBindTexture (GL_TEXTURE_2D, Vhandle);
- glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, UVwidth, UVheight, GL_COLOR_INDEX,
- GL_UNSIGNED_BYTE, Vdata);
- glEnable (GL_TEXTURE_2D);
-}
-
-
-void
-Initialize_Backend (unsigned int Ywidth, unsigned int Yheight,
- unsigned int UVwidth, unsigned int UVheight, GLenum filter)
-{
- printf ("Reinitializing register combiner backend with res %d x %d!\n",
- Ywidth, Yheight);
- //if (!GL_ARB_multitexture_Init()) exit(0);
- //if (!GL_EXT_paletted_texture_Init()) exit(0);
- //if (!GL_NV_register_combiners_Init()) exit(0);
- unsigned char Ypal[768];
- unsigned char Upal[768];
- unsigned char Vpal[768];
- float bias[4];
- float Uscale[4];
- float Vscale[4];
-
- GenerateRGBTables (Ypal, Upal, Vpal, bias, Uscale, Vscale);
- InitYUVPlanes (&Yhandle, &Uhandle, &Vhandle, Ywidth, Yheight, UVwidth,
- UVheight, filter, Ypal, Upal, Vpal);
- SetupCombiners ();
- SetConsts (bias, Uscale, Vscale);
-}
-
-
-void
-initialize (GLenum filter)
-{
- glShadeModel (GL_SMOOTH);
- glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
- glClearColor (0.0f, 0.0f, 0.2f, 1.0f);
- Initialize_Backend (Ywidth, Yheight, UVwidth, UVheight, filter);
-}
projects / platform / upstream / gstreamer.git / commitdiff