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@whitecape.org>

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index aaf932fa02db7de4cec81dbc1ee219520504b734..544974a9fdd5ec421ac254a130879a5b865abf34 100644 (file)
--- 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;