[OpenGL] Small pedantic fix.
Lionel Ulmer
lionel.ulmer at free.fr
Fri Jul 11 15:04:43 CDT 2003
Changelog:
- check if 'GLX_ARB_get_proc_address' is supported before using
glXGetProcAddressARB
--
Lionel Ulmer - http://www.bbrox.org/
-------------- next part --------------
Index: dlls/opengl32/wgl.c
===================================================================
RCS file: /home/wine/wine/dlls/opengl32/wgl.c,v
retrieving revision 1.35
diff -u -r1.35 wgl.c
--- dlls/opengl32/wgl.c 11 Jul 2003 03:50:19 -0000 1.35
+++ dlls/opengl32/wgl.c 11 Jul 2003 20:03:13 -0000
@@ -624,7 +624,8 @@
Window root = (Window)GetPropA( GetDesktopWindow(), "__wine_x11_whole_window" );
HMODULE mod = GetModuleHandleA( "x11drv.dll" );
void *opengl_handle;
-
+ const char *extensions = NULL;
+
if (!root || !mod)
{
ERR("X11DRV not loaded. Cannot create default context.\n");
@@ -665,13 +666,16 @@
vis = XGetVisualInfo(default_display, VisualIDMask, &template, &num);
if (vis != NULL) default_cx = glXCreateContext(default_display, vis, 0, GL_TRUE);
if (default_cx != NULL) glXMakeCurrent(default_display, root, default_cx);
+ extensions = glXQueryExtensionsString(default_display, DefaultScreen(default_display));
XFree(vis);
LEAVE_GL();
- opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
- if (opengl_handle != NULL) {
- p_glXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
- wine_dlclose(opengl_handle, NULL, 0);
+ if ((extensions != NULL) && (strstr(extensions, "GLX_ARB_get_proc_address"))) {
+ opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
+ if (opengl_handle != NULL) {
+ p_glXGetProcAddressARB = wine_dlsym(opengl_handle, "glXGetProcAddressARB", NULL, 0);
+ wine_dlclose(opengl_handle, NULL, 0);
+ }
}
if (default_cx == NULL) {
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