Mesa (master): svga: Add an assert to catch reentrancy.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: 9d4488e4a8bba2bce89d2c348ddc57ced2c6f6cd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9d4488e4a8bba2bce89d2c348ddc57ced2c6f6cd

Author: José Fonseca <jfonseca at vmware.com>
Date:   Thu Feb  3 15:01:09 2011 +0000

svga: Add an assert to catch reentrancy.

---

 src/gallium/drivers/svga/svga_swtnl_backend.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/svga/svga_swtnl_backend.c b/src/gallium/drivers/svga/svga_swtnl_backend.c
index d5db6bf..087f2d0 100644
--- a/src/gallium/drivers/svga/svga_swtnl_backend.c
+++ b/src/gallium/drivers/svga/svga_swtnl_backend.c
@@ -90,6 +90,7 @@ svga_vbuf_render_allocate_vertices( struct vbuf_render *render,
                                              svga_render->vbuf_size);
       if(!svga_render->vbuf) {
          svga_context_flush(svga, NULL);
+         assert(!svga_render->vbuf);
          svga_render->vbuf = pipe_buffer_create(screen,
                                                 PIPE_BIND_VERTEX_BUFFER,
                                                 svga_render->vbuf_size);