Mesa (master): mesa: fix typo and add assert() to _mesa_attach_renderbuffer_without_ref()

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: 8ffd54fef838784ef4388d48843cddf55246e529
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8ffd54fef838784ef4388d48843cddf55246e529

Author: Timothy Arceri <tarceri at itsqueeze.com>
Date:   Tue Apr 11 09:57:45 2017 +1000

mesa: fix typo and add assert() to _mesa_attach_renderbuffer_without_ref()

This function should only be used with a "freshly created" renderbuffer
so assert RefCount is 1.

---

 src/mesa/main/renderbuffer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c
index 627bdca66c..b58b3f3e91 100644
--- a/src/mesa/main/renderbuffer.c
+++ b/src/mesa/main/renderbuffer.c
@@ -141,13 +141,15 @@ validate_and_init_renderbuffer_attachment(struct gl_framebuffer *fb,
  * \param bufferName  one of the BUFFER_x tokens
  *
  * This function avoids adding a reference and is therefore intended to be
- * used with a freashly created renderbuffer.
+ * used with a freshly created renderbuffer.
  */
 void
 _mesa_add_renderbuffer_without_ref(struct gl_framebuffer *fb,
                                    gl_buffer_index bufferName,
                                    struct gl_renderbuffer *rb)
 {
+   assert(rb->RefCount == 1);
+
    validate_and_init_renderbuffer_attachment(fb, bufferName, rb);
 
    _mesa_reference_renderbuffer(&fb->Attachment[bufferName].Renderbuffer,