Mesa (master): i965/vp: Fix crashes with INTEL_DEBUG=vs.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 1db9a72351e15d826950fab45889cdabb54c80b4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1db9a72351e15d826950fab45889cdabb54c80b4

Author: Eric Anholt <eric at anholt.net>
Date:   Fri Nov 30 13:02:11 2012 -0800

i965/vp: Fix crashes with INTEL_DEBUG=vs.

The VP generation doesn't set up the output reg strings, so if you
didn't happen to get these values as 0 on the stack, you'd lose.

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index aaf932f..544974a 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -2824,6 +2824,7 @@ vec4_visitor::vec4_visitor(struct brw_context *brw,
 
    this->base_ir = NULL;
    this->current_annotation = NULL;
+   memset(this->output_reg_annotation, 0, sizeof(this->output_reg_annotation));
 
    this->c = c;
    this->vp = &c->vp->program;