mesa: Add BeginVertices driver call

Provides notification to the VBO modules prior to the first immediate call.
Pairs with FlushVertices()

1 files changed, 10 insertions, 0 deletions

diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c
index 23f4f8331e..093e3d2167 100644
--- a/src/mesa/vbo/vbo_exec_api.c
+++ b/src/mesa/vbo/vbo_exec_api.c
@@ -748,6 +748,12 @@ void vbo_exec_vtx_destroy( struct vbo_exec_context *exec )
    }
 }
 
+void vbo_exec_BeginVertices( GLcontext *ctx )
+{
+   struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+   if (0) _mesa_printf("%s\n", __FUNCTION__);
+//   vbo_exec_vtx_map( exec );
+}
 
 void vbo_exec_FlushVertices( GLcontext *ctx, GLuint flags )
 {
@@ -765,6 +771,10 @@ void vbo_exec_FlushVertices( GLcontext *ctx, GLuint flags )
       reset_attrfv( exec );
    }
 
+   /* Need to do this to ensure BeginVertices gets called again:
+    */
+   _mesa_restore_exec_vtxfmt( ctx );
+
    exec->ctx->Driver.NeedFlush = 0;
 }