Mesa (master): mesa/st: Handle empty frame-buffers without asserting.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: 878877d3c46ddb7b2a67c289b3f432435b95114c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=878877d3c46ddb7b2a67c289b3f432435b95114c

Author: José Fonseca <jfonseca at vmware.com>
Date:   Thu Apr 24 14:48:37 2014 +0100

mesa/st: Handle empty frame-buffers without asserting.

Fixes assertion failures with radeonsi.

Tested-by: Marek Olšák <maraeo at gmail.com>

---

 src/mesa/state_tracker/st_atom_framebuffer.c |    9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index a17417c..eb5f783 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -147,11 +147,10 @@ update_framebuffer_state( struct st_context *st )
    }
 #endif
 
-   /* _mesa_test_framebuffer_completeness refuses framebuffers with no
-    * attachments, so this should never happen.
-    */
-   assert(framebuffer->width  != UINT_MAX);
-   assert(framebuffer->height != UINT_MAX);
+   if (framebuffer->width == UINT_MAX)
+      framebuffer->width = 0;
+   if (framebuffer->height == UINT_MAX)
+      framebuffer->height = 0;
 
    cso_set_framebuffer(st->cso_context, framebuffer);
 }