Mesa (master): glsl: Fix setting of OutputsWritten for whole array dereference.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: d00deae3ef3a7828de1e566ad95b3a5b1ab7034d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d00deae3ef3a7828de1e566ad95b3a5b1ab7034d

Author: Eric Anholt <eric at anholt.net>
Date:   Wed Sep  7 11:00:03 2011 -0700

glsl: Fix setting of OutputsWritten for whole array dereference.

We just want to mark the whole thing used, not mark from each element
the whole size in use.  Fixes undefined URB entry writes on i965,
which blew up with debugging enabled.

Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>

---

 src/glsl/ir_set_program_inouts.cpp |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/glsl/ir_set_program_inouts.cpp b/src/glsl/ir_set_program_inouts.cpp
index 0854565..3b10b90 100644
--- a/src/glsl/ir_set_program_inouts.cpp
+++ b/src/glsl/ir_set_program_inouts.cpp
@@ -94,10 +94,8 @@ ir_set_program_inouts_visitor::visit(ir_dereference_variable *ir)
       return visit_continue;
 
    if (ir->type->is_array()) {
-      for (unsigned int i = 0; i < ir->type->length; i++) {
-	 mark(this->prog, ir->var, i,
-	      ir->type->length * ir->type->fields.array->matrix_columns);
-      }
+      mark(this->prog, ir->var, 0,
+	   ir->type->length * ir->type->fields.array->matrix_columns);
    } else {
       mark(this->prog, ir->var, 0, ir->type->matrix_columns);
    }