Fix segfault on Linux/Mesa

For some reason, glGetString(GL_EXTENSIONS) is failing. This will need more investigation
supertuxkart · May 8, 2014 · 1070fd7 · 1070fd7
1 parent 5f6829b
commit 1070fd7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/graphics/irr_driver.cpp b/src/graphics/irr_driver.cpp
@@ -444,7 +444,7 @@ void IrrDriver::initDevice()
     // Parse extensions
     hasVSLayer = false;
     const GLubyte *extensions = glGetString(GL_EXTENSIONS);
-    if (strstr((const char*)extensions, "GL_AMD_vertex_shader_layer") != NULL)
+    if (extensions && strstr((const char*)extensions, "GL_AMD_vertex_shader_layer") != NULL)
         hasVSLayer = true;