Mesa (7.10): st/mesa: fail to alloc a renderbuffer if st_choose_renderbuffer_format fails

[Marek Olšák]

Module: Mesa
Branch: 7.10
Commit: b5d293e4fdb2944b27bea94204086c8ec9be8dbc
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=b5d293e4fdb2944b27bea94204086c8ec9be8dbc

Author: Marek Olšák <mar...@gmail.com>
Date:   Sat Mar 12 21:44:04 2011 +0100

st/mesa: fail to alloc a renderbuffer if st_choose_renderbuffer_format fails

This fixes:
  state_tracker/st_format.c:401:st_pipe_format_to_mesa_format:
  Assertion `0' failed.
(cherry picked from commit fb5d9e1199cabe653ae1bb822bb66ce9f0ce7f55)

Conflicts:

        src/mesa/state_tracker/st_cb_fbo.c

---

 src/mesa/state_tracker/st_cb_fbo.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/mesa/state_tracker/st_cb_fbo.c 
b/src/mesa/state_tracker/st_cb_fbo.c
index 15f8fb3..473ed4d 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -77,6 +77,10 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx, 
struct gl_renderbuffer *r
    else
       format = st_choose_renderbuffer_format(screen, internalFormat, 
rb->NumSamples);
       
+   if (format == PIPE_FORMAT_NONE) {
+      return FALSE;
+   }
+
    /* init renderbuffer fields */
    strb->Base.Width  = width;
    strb->Base.Height = height;

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