diff options
Diffstat (limited to 'plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglquery-win32.c')
| -rw-r--r-- | plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglquery-win32.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglquery-win32.c b/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglquery-win32.c deleted file mode 100644 index 97e4e63a..00000000 --- a/plugins/gtkui/gtkglext-gtk2/gdk/win32/gdkglquery-win32.c +++ /dev/null @@ -1,252 +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> - -#include "gdkglwin32.h" -#include "gdkglprivate-win32.h" -#include "gdkglquery.h" - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT -#include <gdk/gdkdisplay.h> -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -gboolean -gdk_gl_query_extension (void) -{ - return TRUE; - -#if 0 - DWORD version = GetVersion (); - DWORD major = (DWORD) (LOBYTE (LOWORD (version))); - - if (version < 0x80000000) /* Windows NT/2000/XP */ - { - if (major >= 3) - return TRUE; - } - else /* Windows 95/98/Me */ - { - if (major >= 4) - return TRUE; - } - - return FALSE; -#endif -} - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - -gboolean -gdk_gl_query_extension_for_display (GdkDisplay *display) -{ - g_return_val_if_fail (display == gdk_display_get_default (), FALSE); - - return TRUE; - -#if 0 - DWORD version = GetVersion (); - DWORD major = (DWORD) (LOBYTE (LOWORD (version))); - - if (version < 0x80000000) /* Windows NT/2000/XP */ - { - if (major >= 3) - return TRUE; - } - else /* Windows 95/98/Me */ - { - if (major >= 4) - return TRUE; - } - - return FALSE; -#endif -} - -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -gboolean -gdk_gl_query_version (int *major, - int *minor) -{ - DWORD version = GetVersion (); - - /* return Windows version. */ - *major = (int) (LOBYTE (LOWORD (version))); - *minor = (int) (HIBYTE (LOWORD (version))); - - return TRUE; -} - -#ifdef GDKGLEXT_MULTIHEAD_SUPPORT - -gboolean -gdk_gl_query_version_for_display (GdkDisplay *display, - int *major, - int *minor) -{ - DWORD version; - - g_return_val_if_fail (display == gdk_display_get_default (), FALSE); - - version = GetVersion (); - - /* return Windows version. */ - *major = (int) (LOBYTE (LOWORD (version))); - *minor = (int) (HIBYTE (LOWORD (version))); - - return TRUE; -} - -#endif /* GDKGLEXT_MULTIHEAD_SUPPORT */ - -gboolean -gdk_win32_gl_query_wgl_extension (GdkGLConfig *glconfig, - const char *extension) -{ - typedef const char * (WINAPI * __wglGetExtensionsStringARBProc) (HDC); - typedef const char * (WINAPI * __wglGetExtensionsStringEXTProc) (void); - __wglGetExtensionsStringARBProc wgl_get_extensions_string_arb; - __wglGetExtensionsStringEXTProc wgl_get_extensions_string_ext; - - static const char *extensions = NULL; - const char *start; - char *where, *terminator; - HDC hdc; - - /* Extension names should not have spaces. */ - where = strchr (extension, ' '); - if (where || *extension == '\0') - return FALSE; - - if (extensions == NULL) - { - /* Try wglGetExtensionsStringARB. */ - - wgl_get_extensions_string_arb = - (__wglGetExtensionsStringARBProc) gdk_gl_get_proc_address ("wglGetExtensionsStringARB"); - - if (wgl_get_extensions_string_arb) - { - hdc = GetDC (NULL); - if (hdc == NULL) - { - g_warning ("cannot get DC"); - } - else - { - extensions = wgl_get_extensions_string_arb (hdc); - ReleaseDC (NULL, hdc); - } - } - - if (extensions == NULL) - { - /* Try wglGetExtensionsStringEXT. */ - - wgl_get_extensions_string_ext = - (__wglGetExtensionsStringEXTProc) gdk_gl_get_proc_address ("wglGetExtensionsStringEXT"); - - if (wgl_get_extensions_string_ext) - extensions = wgl_get_extensions_string_ext (); - } - - if (extensions == NULL) - return FALSE; - } - - /* It takes a bit of care to be fool-proof about parsing - the WGL 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; -} - -GdkGLProc -gdk_gl_get_proc_address (const char *proc_name) -{ - GdkGLProc proc_address = NULL; - HMODULE hmodule; - - GDK_GL_NOTE_FUNC (); - - if (strncmp ("glu", proc_name, 3) != 0) - { - /* Try wglGetProcAddress () */ - - proc_address = (GdkGLProc) wglGetProcAddress (proc_name); - - GDK_GL_NOTE (IMPL, g_message (" ** wglGetProcAddress () - %s", - proc_address ? "succeeded" : "failed")); - - if (proc_address != NULL) - return proc_address; - - /* Try GetProcAddress () */ - - /* opengl32.dll */ - - GDK_GL_NOTE (MISC, g_message (" - Get opengl32.dll module handle")); - - hmodule = GetModuleHandle ("opengl32.dll"); - if (hmodule == NULL) - g_warning ("Cannot get opengl32.dll module handle"); - else - proc_address = (GdkGLProc) GetProcAddress (hmodule, proc_name); - - GDK_GL_NOTE (IMPL, g_message (" ** GetProcAddress () - %s", - proc_address ? "succeeded" : "failed")); - } - else - { - /* glu32.dll */ - - GDK_GL_NOTE (MISC, g_message (" - Get glu32.dll module handle")); - - hmodule = GetModuleHandle ("glu32.dll"); - if (hmodule == NULL) - g_warning ("Cannot get glu32.dll module handle"); - else - proc_address = (GdkGLProc) GetProcAddress (hmodule, proc_name); - - GDK_GL_NOTE (IMPL, g_message (" ** GetProcAddress () - %s", - proc_address ? "succeeded" : "failed")); - } - - return proc_address; -} |