intel: clear buffer fields in intel_bufferobj_unmap()

diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index 3cf0ea0991d3b12de970577dd060c1324ac5604b..6f7077e17f411fd11d93a4f727a158317bc96825 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -418,6 +418,8 @@ intel_bufferobj_unmap(GLcontext * ctx,
       }
    }
    obj->Pointer = NULL;
+   obj->Offset = 0;
+   obj->Length = 0;
 
    return GL_TRUE;
 }