[try nr 3]glGetString() should return NULL on NULL context - Solves bug 13599
Massimo Del Fedele
max at veneto.com
Wed Jul 2 10:01:42 CDT 2008
From: Massimo Del Fedele<max at veneto.com>
Date: Wed, 2 Jul 2008 16:51:26 +0200
Subject: glGetString() should return NULL on NULL context
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---
dlls/opengl32/wgl.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
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diff --git a/dlls/opengl32/wgl.c b/dlls/opengl32/wgl.c
index 6fbdeb4..610bc7d 100644
--- a/dlls/opengl32/wgl.c
+++ b/dlls/opengl32/wgl.c
@@ -632,6 +632,12 @@ 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... we just check for a valid context, and
+ return NULL if none */
+ if(wglGetCurrentContext() == NULL)
+ return NULL;
+
if (GL_EXTENSIONS != name) {
ENTER_GL();
ret = glGetString(name);
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