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Check if 'GLX_ARB_get_proc_address' is supported before using 

glXGetProcAddressARB.
This commit is contained in:
Lionel Ulmer 2003-07-11 21:53:26 +00:00 committed by Alexandre Julliard
parent 64852f4b0e
commit aa95df0d94
1 changed files with 9 additions and 5 deletions
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14
dlls/opengl32/wgl.c
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@ -624,7 +624,8 @@ static BOOL process_attach(void)
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 @@ static BOOL process_attach(void)
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) {