glapi: restore _glthread_GetID() function

This partially reverts patch 02cb04c68f.  This fixes an unresolved
symbol error when using older builds of libGL.

Tested-by: Chia-I Wu <olv@lunarg.com>

diff --git a/src/mapi/glapi/glapi.h b/src/mapi/glapi/glapi.h
index 7c22985..e2fa925 100644 (file)
--- a/src/mapi/glapi/glapi.h
+++ b/src/mapi/glapi/glapi.h
@@ -168,6 +168,11 @@ _GLAPI_EXPORT struct _glapi_table *
 _glapi_create_table_from_handle(void *handle, const char *symbol_prefix);
 
 
+/** Deprecated function */
+_GLAPI_EXPORT unsigned long
+_glthread_GetID(void);
+
+
 /*
  * These stubs are kept so that the old DRI drivers still load.
  */

diff --git a/src/mapi/mapi_glapi.c b/src/mapi/mapi_glapi.c
index 7b0903b..127dfaf 100644 (file)
--- a/src/mapi/mapi_glapi.c
+++ b/src/mapi/mapi_glapi.c
@@ -222,6 +222,16 @@ _glapi_get_proc_name(unsigned int offset)
    return stub ? stub_get_name(stub) : NULL;
 }
 
+/**
+ * This is a deprecated function which should not be used anymore.
+ * It's only present to satisfy linking with older versions of libGL.
+ */
+unsigned long
+_glthread_GetID(void)
+{
+   return 0;
+}
+
 void
 _glapi_noop_enable_warnings(unsigned char enable)
 {