diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk2/gdk/x11/gdkglquery-x11.c')
| -rw-r--r-- | plugins/gtkui/gtkglext-gtk2/gdk/x11/gdkglquery-x11.c | 503 |
1 files changed, 0 insertions, 503 deletions
diff --git a/plugins/gtkui/gtkglext-gtk2/gdk/x11/gdkglquery-x11.c b/plugins/gtkui/gtkglext-gtk2/gdk/x11/gdkglquery-x11.c deleted file mode 100644 index 562ddf1f..00000000 --- a/plugins/gtkui/gtkglext-gtk2/gdk/x11/gdkglquery-x11.c +++ /dev/null @@ -1,503 +0,0 @@ -/* GdkGLExt - OpenGL Extension to GDK - * Copyright (C) 2002-2004 Naofumi Yasufuku - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser 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. - */ - -#include <string.h> - -#ifdef __APPLE__ -#include <mach-o/dyld.h> -#else /* __APPLE__ */ -#include <gmodule.h> -#endif /* __APPLE__ */ - -#include "gdkglx.h" -#include "gdkglprivate-x11.h" -#include "gdkglconfig-x11.h" -#include "gdkglquery.h" - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT -#include <gdk/gdkdisplay.h> -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -/** - * gdk_gl_query_extension: - * - * Indicates whether the window system supports the OpenGL extension - * (GLX, WGL, etc.). - * - * Return value: TRUE if OpenGL is supported, FALSE otherwise. - **/ -gboolean -gdk_gl_query_extension (void) -{ -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - return glXQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), - NULL, NULL); -#else /* GDKGLEXT_MULTIHEAD_SUPPORT */ - return glXQueryExtension (gdk_x11_get_default_xdisplay (), - NULL, NULL); -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ -} - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - -/** - * gdk_gl_query_extension_for_display: - * @display: the #GdkDisplay where the query is sent to. - * - * Indicates whether the window system supports the OpenGL extension - * (GLX, WGL, etc.). - * - * Return value: TRUE if OpenGL is supported, FALSE otherwise. - **/ -gboolean -gdk_gl_query_extension_for_display (GdkDisplay *display) -{ - g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE); - - return glXQueryExtension (GDK_DISPLAY_XDISPLAY (display), - NULL, NULL); -} - -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -/** - * gdk_gl_query_version: - * @major: returns the major version number of the OpenGL extension. - * @minor: returns the minor version number of the OpenGL extension. - * - * Returns the version numbers of the OpenGL extension to the window system. - * - * In the X Window System, it returns the GLX version. - * - * In the Microsoft Windows, it returns the Windows version. - * - * Return value: FALSE if it fails, TRUE otherwise. - **/ -gboolean -gdk_gl_query_version (int *major, - int *minor) -{ -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - return glXQueryVersion (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), - major, minor); -#else /* GDKGLEXT_MULTIHEAD_SUPPORT */ - return glXQueryVersion (gdk_x11_get_default_xdisplay (), - major, minor); -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ -} - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - -/** - * gdk_gl_query_version_for_display: - * @display: the #GdkDisplay where the query is sent to. - * @major: returns the major version number of the OpenGL extension. - * @minor: returns the minor version number of the OpenGL extension. - * - * Returns the version numbers of the OpenGL extension to the window system. - * - * In the X Window System, it returns the GLX version. - * - * In the Microsoft Windows, it returns the Windows version. - * - * Return value: FALSE if it fails, TRUE otherwise. - **/ -gboolean -gdk_gl_query_version_for_display (GdkDisplay *display, - int *major, - int *minor) -{ - g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE); - - return glXQueryVersion (GDK_DISPLAY_XDISPLAY (display), - major, minor); -} - -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -/* - * This code is based on __glutIsSupportedByGLX(). - */ - -/** - * gdk_x11_gl_query_glx_extension: - * @glconfig: a #GdkGLConfig. - * @extension: name of GLX extension. - * - * Determines whether a given GLX extension is supported. - * - * Return value: TRUE if the GLX extension is supported, FALSE if not - * supported. - **/ -gboolean -gdk_x11_gl_query_glx_extension (GdkGLConfig *glconfig, - const char *extension) -{ - static const char *extensions = NULL; - const char *start; - char *where, *terminator; - int major, minor; - - g_return_val_if_fail (GDK_IS_GL_CONFIG_IMPL_X11 (glconfig), FALSE); - - /* Extension names should not have spaces. */ - where = strchr (extension, ' '); - if (where || *extension == '\0') - return FALSE; - - if (extensions == NULL) - { - /* 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. */ - - glXQueryVersion (GDK_GL_CONFIG_XDISPLAY (glconfig), - &major, &minor); - - if ((major == 1 && minor < 1) || (major < 1)) - return FALSE; - - extensions = glXQueryExtensionsString (GDK_GL_CONFIG_XDISPLAY (glconfig), - GDK_GL_CONFIG_SCREEN_XNUMBER (glconfig)); - } - - /* 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 == NULL) - break; - - terminator = where + strlen (extension); - - if (where == start || *(where - 1) == ' ') - if (*terminator == ' ' || *terminator == '\0') - { - GDK_GL_NOTE (MISC, g_message (" - %s - supported", extension)); - return TRUE; - } - - start = terminator; - } - - GDK_GL_NOTE (MISC, g_message (" - %s - not supported", extension)); - - return FALSE; -} - -/** - * gdk_gl_get_proc_address: - * @proc_name: function name. - * - * Returns the address of the OpenGL, GLU, or GLX function. - * - * Return value: the address of the function named by @proc_name. - **/ - -#ifdef __APPLE__ - -#define _GDK_GL_LIBGL_PATH "/usr/X11R6/lib/libGL.1.dylib" -#define _GDK_GL_LIBGLU_PATH "/usr/X11R6/lib/libGLU.1.dylib" - -GdkGLProc -gdk_gl_get_proc_address (const char *proc_name) -{ - typedef GdkGLProc (*__glXGetProcAddressProc) (const GLubyte *); - static __glXGetProcAddressProc glx_get_proc_address = (__glXGetProcAddressProc) -1; - const char *image_name; - static const struct mach_header *libgl_image = NULL; - static const struct mach_header *libglu_image = NULL; - NSSymbol symbol; - char *symbol_name; - GdkGLProc proc_address; - - GDK_GL_NOTE_FUNC (); - - if (strncmp ("glu", proc_name, 3) != 0) - { - /* libGL */ - - if (libgl_image == NULL) - { - image_name = g_getenv ("GDK_GL_LIBGL_PATH"); - if (image_name == NULL) - image_name = _GDK_GL_LIBGL_PATH; - - GDK_GL_NOTE (MISC, g_message (" - Add Mach-O image %s", image_name)); - - libgl_image = NSAddImage (image_name, NSADDIMAGE_OPTION_RETURN_ON_ERROR); - if (libgl_image == NULL) - { - g_warning ("Cannot add Mach-O image %s", image_name); - return NULL; - } - } - - if (glx_get_proc_address == (__glXGetProcAddressProc) -1) - { - /* - * Look up glXGetProcAddress () function. - */ - - symbol = NSLookupSymbolInImage (libgl_image, - "_glXGetProcAddress", - NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | - NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); - if (symbol == NULL) - { - symbol = NSLookupSymbolInImage (libgl_image, - "_glXGetProcAddressARB", - NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | - NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); - if (symbol == NULL) - { - symbol = NSLookupSymbolInImage (libgl_image, - "_glXGetProcAddressEXT", - NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | - NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); - } - } - GDK_GL_NOTE (MISC, g_message (" - glXGetProcAddress () - %s", - symbol ? "supported" : "not supported")); - if (symbol != NULL) - glx_get_proc_address = NSAddressOfSymbol (symbol); - else - glx_get_proc_address = NULL; - } - - /* Try glXGetProcAddress () */ - - if (glx_get_proc_address != NULL) - { - proc_address = glx_get_proc_address (proc_name); - GDK_GL_NOTE (IMPL, g_message (" ** glXGetProcAddress () - %s", - proc_address ? "succeeded" : "failed")); - if (proc_address != NULL) - return proc_address; - } - - /* Try Mach-O dyld */ - - symbol_name = g_strconcat ("_", proc_name, NULL); - - symbol = NSLookupSymbolInImage (libgl_image, - symbol_name, - NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | - NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); - GDK_GL_NOTE (MISC, g_message (" - NSLookupSymbolInImage () - %s", - symbol ? "succeeded" : "failed")); - - g_free (symbol_name); - - if (symbol != NULL) - return NSAddressOfSymbol (symbol); - } - else - { - /* libGLU */ - - if (libglu_image == NULL) - { - image_name = g_getenv ("GDK_GL_LIBGLU_PATH"); - if (image_name == NULL) - image_name = _GDK_GL_LIBGLU_PATH; - - GDK_GL_NOTE (MISC, g_message (" - Add Mach-O image %s", image_name)); - - libglu_image = NSAddImage (image_name, NSADDIMAGE_OPTION_RETURN_ON_ERROR); - if (libglu_image == NULL) - { - g_warning ("Cannot add Mach-O image %s", image_name); - return NULL; - } - } - - symbol_name = g_strconcat ("_", proc_name, NULL); - - symbol = NSLookupSymbolInImage (libglu_image, - symbol_name, - NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | - NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR); - GDK_GL_NOTE (MISC, g_message (" - NSLookupSymbolInImage () - %s", - symbol ? "succeeded" : "failed")); - - g_free (symbol_name); - - if (symbol != NULL) - return NSAddressOfSymbol (symbol); - } - - return NULL; -} - -#else /* __APPLE__ */ - -GdkGLProc -gdk_gl_get_proc_address (const char *proc_name) -{ - typedef GdkGLProc (*__glXGetProcAddressProc) (const GLubyte *); - static __glXGetProcAddressProc glx_get_proc_address = (__glXGetProcAddressProc) -1; - gchar *file_name; - GModule *module; - GdkGLProc proc_address = NULL; - - GDK_GL_NOTE_FUNC (); - - if (strncmp ("glu", proc_name, 3) != 0) - { - if (glx_get_proc_address == (__glXGetProcAddressProc) -1) - { - /* - * Look up glXGetProcAddress () function. - */ - - file_name = g_module_build_path (NULL, "GL"); - GDK_GL_NOTE (MISC, g_message (" - Open %s", file_name)); - module = g_module_open (file_name, G_MODULE_BIND_LAZY); - g_free (file_name); - - if (module != NULL) - { - g_module_symbol (module, "glXGetProcAddress", - (gpointer) &glx_get_proc_address); - if (glx_get_proc_address == NULL) - { - g_module_symbol (module, "glXGetProcAddressARB", - (gpointer) &glx_get_proc_address); - if (glx_get_proc_address == NULL) - { - g_module_symbol (module, "glXGetProcAddressEXT", - (gpointer) &glx_get_proc_address); - } - } - GDK_GL_NOTE (MISC, g_message (" - glXGetProcAddress () - %s", - glx_get_proc_address ? "supported" : "not supported")); - g_module_close (module); - } - else - { - g_warning ("Cannot open %s", file_name); - glx_get_proc_address = NULL; - return NULL; - } - } - - /* Try glXGetProcAddress () */ - - if (glx_get_proc_address != NULL) - { - proc_address = glx_get_proc_address (proc_name); - GDK_GL_NOTE (IMPL, g_message (" ** glXGetProcAddress () - %s", - proc_address ? "succeeded" : "failed")); - if (proc_address != NULL) - return proc_address; - } - - /* Try g_module_symbol () */ - - /* libGL */ - file_name = g_module_build_path (NULL, "GL"); - GDK_GL_NOTE (MISC, g_message (" - Open %s", file_name)); - module = g_module_open (file_name, G_MODULE_BIND_LAZY); - g_free (file_name); - - if (module != NULL) - { - g_module_symbol (module, proc_name, (gpointer) &proc_address); - GDK_GL_NOTE (MISC, g_message (" - g_module_symbol () - %s", - proc_address ? "succeeded" : "failed")); - g_module_close (module); - } - else - { - g_warning ("Cannot open %s", file_name); - } - - if (proc_address == NULL) - { - /* libGLcore */ - file_name = g_module_build_path (NULL, "GLcore"); - GDK_GL_NOTE (MISC, g_message (" - Open %s", file_name)); - module = g_module_open (file_name, G_MODULE_BIND_LAZY); - g_free (file_name); - - if (module != NULL) - { - g_module_symbol (module, proc_name, (gpointer) &proc_address); - GDK_GL_NOTE (MISC, g_message (" - g_module_symbol () - %s", - proc_address ? "succeeded" : "failed")); - g_module_close (module); - } - } - } - else - { - /* libGLU */ - file_name = g_module_build_path (NULL, "GLU"); - GDK_GL_NOTE (MISC, g_message (" - Open %s", file_name)); - module = g_module_open (file_name, G_MODULE_BIND_LAZY); - g_free (file_name); - - if (module != NULL) - { - g_module_symbol (module, proc_name, (gpointer) &proc_address); - GDK_GL_NOTE (MISC, g_message (" - g_module_symbol () - %s", - proc_address ? "succeeded" : "failed")); - g_module_close (module); - } - else - { - g_warning ("Cannot open %s", file_name); - } - } - - return proc_address; -} - -#endif /* __APPLE__ */ - -/*< private >*/ -void -_gdk_x11_gl_print_glx_info (Display *xdisplay, - int screen_num) -{ - static gboolean done = FALSE; - - if (!done) - { - g_message (" -- Server GLX_VENDOR : %s", - glXQueryServerString (xdisplay, screen_num, GLX_VENDOR)); - g_message (" -- Server GLX_VERSION : %s", - glXQueryServerString (xdisplay, screen_num, GLX_VERSION)); - g_message (" -- Server GLX_EXTENSIONS : %s", - glXQueryServerString (xdisplay, screen_num, GLX_EXTENSIONS)); - - g_message (" -- Client GLX_VENDOR : %s", - glXGetClientString (xdisplay, GLX_VENDOR)); - g_message (" -- Client GLX_VERSION : %s", - glXGetClientString (xdisplay, GLX_VERSION)); - g_message (" -- Client GLX_EXTENSIONS : %s", - glXGetClientString (xdisplay, GLX_EXTENSIONS)); - - done = TRUE; - } -} |