Mesa (master): nouveau: nv30: check number of colour buffers to bind

[Patrice Mandin]

Module: Mesa
Branch: master
Commit: cb351bdd6e09b40fe719c548c48ea40c6c4c3d11
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=cb351bdd6e09b40fe719c548c48ea40c6c4c3d11

Author: Patrice Mandin <patman...@gmail.com>
Date:   Wed Oct 21 21:56:09 2009 +0200

nouveau: nv30: check number of colour buffers to bind

---

 src/gallium/drivers/nv30/nv30_state_fb.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c 
b/src/gallium/drivers/nv30/nv30_state_fb.c
index 9b0266f..197de82 100644
--- a/src/gallium/drivers/nv30/nv30_state_fb.c
+++ b/src/gallium/drivers/nv30/nv30_state_fb.c
@@ -17,6 +17,10 @@ nv30_state_framebuffer_validate(struct nv30_context *nv30)
        struct nv30_miptree *nv30mt;
        int colour_bits = 32, zeta_bits = 32;
 
+       if (fb->nr_cbufs == 0) {
+               return FALSE;
+       }
+
        rt_enable = 0;
        for (i = 0; i < fb->nr_cbufs; i++) {
                if (colour_format) {

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