opengl32: glGetString() should return NULL on NULL context.

d6a6b88f · Massimo Del Fedele · Alexandre Julliard · 0f9484a1 · d6a6b88f
Commit d6a6b88f authored Jul 02, 2008 by Massimo Del Fedele Committed by Alexandre Julliard Jul 04, 2008
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wgl.c dlls/opengl32/wgl.c +5 -0

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--- a/dlls/opengl32/wgl.c
+++ b/dlls/opengl32/wgl.c
@@ -632,6 +632,11 @@ const GLubyte * WINAPI wine_glGetString( GLenum name )
  const GLubyte *ret;
  const char* GL_Extensions = NULL;

+  /* this is for buggy nvidia driver, crashing if called from a different
+     thread with no context */
+  if(wglGetCurrentContext() == NULL)
+    return NULL;
+
  if (GL_EXTENSIONS != name) {
    ENTER_GL();
    ret = glGetString(name);