vbo: add vbo_always_unmap_buffers()

Drivers can call this function as needed.  It tells the VBO module to
always unmap the current glBegin/glEnd VBO when we flush.  Otherwise
it's possible to be in a flushed state but still have the VBO mapped.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/mesa/vbo/vbo.h b/src/mesa/vbo/vbo.h
index 6834f3b5aa..26c3d4e0a7 100644
--- a/src/mesa/vbo/vbo.h
+++ b/src/mesa/vbo/vbo.h
@@ -127,6 +127,7 @@ vbo_get_minmax_index(struct gl_context *ctx, const struct _mesa_prim *prim,
 
 void vbo_use_buffer_objects(struct gl_context *ctx);
 
+void vbo_always_unmap_buffers(struct gl_context *ctx);
 
 void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func);