diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_glxext.c')
| -rw-r--r-- | nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_glxext.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_glxext.c b/nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_glxext.c new file mode 100644 index 000000000..71b67e075 --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_glxext.c @@ -0,0 +1,255 @@ + +/* Copyright (c) Mark J. Kilgard, 1997. */ + +/* This program is freely distributable without licensing fees + and is provided without guarantee or warrantee expressed or + implied. This program is -not- in the public domain. */ + +#include <stdlib.h> +#include <string.h> +#include "glutint.h" + +#if defined(GLX_VERSION_1_1) +int +__glutIsSupportedByGLX(char *extension) +{ + static const char *extensions = NULL; + const char *start; + char *where, *terminator; + int major, minor; + + glXQueryVersion(__glutDisplay, &major, &minor); + /* Be careful not to call glXQueryExtensionsString if it + looks like the server doesn't support GLX 1.1. + Unfortunately, the original GLX 1.0 didn't have the notion + of GLX extensions. */ + if ((major == 1 && minor >= 1) || (major > 1)) { + if (!extensions) + extensions = glXQueryExtensionsString(__glutDisplay, __glutScreen); + /* It takes a bit of care to be fool-proof about parsing + the GLX extensions string. Don't be fooled by + sub-strings, etc. */ + start = extensions; + for (;;) { + where = strstr(start, extension); + if (!where) + return 0; + terminator = where + strlen(extension); + if (where == start || *(where - 1) == ' ') { + if (*terminator == ' ' || *terminator == '\0') { + return 1; + } + } + start = terminator; + } + } + return 0; +} +#endif + + + +/* + * Wrapping of GLX extension functions. + * Technically, we should do a runtime test to see if we've got the + * glXGetProcAddressARB() function. I think GLX_ARB_get_proc_address + * is pretty widely supported now and any system that has + * GLX_ARB_get_proc_address defined in its header files should be OK + * at runtime. + */ + +int +__glut_glXBindChannelToWindowSGIX(Display *dpy, int screen, + int channel, Window window) +{ +#ifdef GLX_ARB_get_proc_address + typedef int (*glXBindChannelToWindowSGIX_t) (Display *, int, int, Window); + static glXBindChannelToWindowSGIX_t glXBindChannelToWindowSGIX_ptr = NULL; + if (!glXBindChannelToWindowSGIX_ptr) { + glXBindChannelToWindowSGIX_ptr = (glXBindChannelToWindowSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXBindChannelToWindowSGIX"); + } + if (glXBindChannelToWindowSGIX_ptr) + return (*glXBindChannelToWindowSGIX_ptr)(dpy, screen, channel, window); + else + return 0; +#elif defined(GLX_SGIX_video_resize) + return glXBindChannelToWindowSGIX(dpy, screen, channel, window); +#else + return 0; +#endif +} + + +int +__glut_glXChannelRectSGIX(Display *dpy, int screen, int channel, + int x, int y, int w, int h) +{ +#ifdef GLX_ARB_get_proc_address + typedef int (*glXChannelRectSGIX_t)(Display *, int, int, int, int, int, int); + static glXChannelRectSGIX_t glXChannelRectSGIX_ptr = NULL; + if (!glXChannelRectSGIX_ptr) { + glXChannelRectSGIX_ptr = (glXChannelRectSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXChannelRectSGIX"); + } + if (glXChannelRectSGIX_ptr) + return (*glXChannelRectSGIX_ptr)(dpy, screen, channel, x, y, w, h); + else + return 0; +#elif defined(GLX_SGIX_video_resize) + return glXChannelRectSGIX(dpy, screen, channel, x, y, w, h); +#else + return 0; +#endif +} + + +int +__glut_glXQueryChannelRectSGIX(Display *dpy, int screen, int channel, + int *x, int *y, int *w, int *h) +{ +#ifdef GLX_ARB_get_proc_address + typedef int (*glXQueryChannelRectSGIX_t)(Display *, int, int, + int *, int *, int *, int *); + static glXQueryChannelRectSGIX_t glXQueryChannelRectSGIX_ptr = NULL; + if (!glXQueryChannelRectSGIX_ptr) { + glXQueryChannelRectSGIX_ptr = (glXQueryChannelRectSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXQueryChannelRectSGIX"); + } + if (glXQueryChannelRectSGIX_ptr) + return (*glXQueryChannelRectSGIX_ptr)(dpy, screen, channel, x, y, w, h); + else + return 0; +#elif defined(GLX_SGIX_video_resize) + return glXQueryChannelRectSGIX(dpy, screen, channel, x, y, w, h); +#else + return 0; +#endif +} + + +int +__glut_glXQueryChannelDeltasSGIX(Display *dpy, int screen, int channel, + int *dx, int *dy, int *dw, int *dh) +{ +#ifdef GLX_ARB_get_proc_address + typedef int (*glXQueryChannelDeltasSGIX_t)(Display *, int, int, + int *, int *, int *, int *); + static glXQueryChannelDeltasSGIX_t glXQueryChannelDeltasSGIX_ptr = NULL; + if (!glXQueryChannelDeltasSGIX_ptr) { + glXQueryChannelDeltasSGIX_ptr = (glXQueryChannelDeltasSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXQueryChannelDeltasSGIX"); + } + if (glXQueryChannelDeltasSGIX_ptr) + return (*glXQueryChannelDeltasSGIX_ptr)(dpy, screen, channel, + dx, dy, dw, dh); + else + return 0; +#elif defined(GLX_SGIX_video_resize) + return glXQueryChannelDeltasSGIX(dpy, screen, channel, dx, dy, dw, dh); +#else + return 0; +#endif +} + + +int +__glut_glXChannelRectSyncSGIX(Display *dpy, int screen, + int channel, GLenum synctype) +{ +#ifdef GLX_ARB_get_proc_address + typedef int (*glXChannelRectSyncSGIX_t)(Display *, int, int, GLenum); + static glXChannelRectSyncSGIX_t glXChannelRectSyncSGIX_ptr = NULL; + if (!glXChannelRectSyncSGIX_ptr) { + glXChannelRectSyncSGIX_ptr = (glXChannelRectSyncSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXChannelRectSyncSGIX"); + } + if (glXChannelRectSyncSGIX_ptr) + return (*glXChannelRectSyncSGIX_ptr)(dpy, screen, channel, synctype); + else + return 0; +#elif defined(GLX_SGIX_video_resize) + return glXChannelRectSyncSGIX(dpy, screen, channel, synctype); +#else + return 0; +#endif +} + + + +GLXContext +__glut_glXCreateContextWithConfigSGIX(Display *dpy, GLXFBConfigSGIX config, + int render_type, GLXContext share_list, + Bool direct) +{ +#ifdef GLX_ARB_get_proc_address + typedef GLXContext (*glXCreateContextWithConfigSGIX_t)(Display *, + GLXFBConfigSGIX, int, GLXContext, Bool); + static glXCreateContextWithConfigSGIX_t glXCreateContextWithConfig_ptr = NULL; + if (!glXCreateContextWithConfig_ptr) { + glXCreateContextWithConfig_ptr = (glXCreateContextWithConfigSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXCreateContextWithConfigSGIX"); + } + if (glXCreateContextWithConfig_ptr) + return (*glXCreateContextWithConfig_ptr)(dpy, config, render_type, + share_list, direct); + else + return 0; +#elif defined(GLX_SGIX_fbconfig) + return glXCreateContextWithConfigSGIX(dpy, config, render_type, + share_list, direct); +#else + return 0; +#endif +} + + +int +__glut_glXGetFBConfigAttribSGIX(Display *dpy, GLXFBConfigSGIX config, + int attribute, int *value) +{ +#ifdef GLX_ARB_get_proc_address + typedef int (*glXGetFBConfigAttribSGIX_t)(Display *, + GLXFBConfigSGIX, int, int *); + static glXGetFBConfigAttribSGIX_t glXGetFBConfigAttrib_ptr = NULL; + if (!glXGetFBConfigAttrib_ptr) { + glXGetFBConfigAttrib_ptr = (glXGetFBConfigAttribSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXGetFBConfigAttribSGIX"); + } + if (glXGetFBConfigAttrib_ptr) + return (*glXGetFBConfigAttrib_ptr)(dpy, config, attribute, value); + else + return 0; +#elif defined(GLX_SGIX_fbconfig) + return glXGetFBConfigAttribSGIX(dpy, config, attribute, value); +#else + return 0; +#endif +} + + +GLXFBConfigSGIX +__glut_glXGetFBConfigFromVisualSGIX(Display *dpy, XVisualInfo *vis) +{ +#ifdef GLX_ARB_get_proc_address + typedef GLXFBConfigSGIX (*glXGetFBConfigFromVisualSGIX_t)(Display *, + XVisualInfo *); + static glXGetFBConfigFromVisualSGIX_t glXGetFBConfigFromVisual_ptr = NULL; + if (!glXGetFBConfigFromVisual_ptr) { + glXGetFBConfigFromVisual_ptr = (glXGetFBConfigFromVisualSGIX_t) + glXGetProcAddressARB((const GLubyte *) "glXGetFBConfigFromVisualSGIX"); + } + if (glXGetFBConfigFromVisual_ptr) + return (*glXGetFBConfigFromVisual_ptr)(dpy, vis); + else + return 0; +#elif defined(GLX_SGIX_fbconfig) + return glXGetFBConfigFromVisualSGIX(dpy, vis); +#else + return 0; +#endif +} + + + + |