From: Eric Anholt <eric@anholt.net>
Date: Sat, 6 Aug 2011 02:29:41 +0000 (-0700)
Subject: i965/vs: Use an appropriate swizzle on src regs from variables.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e5363c7fd2ed6318e86ba4a62adc0c2377e51eef;p=mesa.git

i965/vs: Use an appropriate swizzle on src regs from variables.

Fixes glsl-vs-if-bool.
---

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 014f7e62284..734e2514536 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1140,6 +1140,7 @@ vec4_visitor::visit(ir_swizzle *ir)
 void
 vec4_visitor::visit(ir_dereference_variable *ir)
 {
+   const struct glsl_type *type = ir->type;
    dst_reg *reg = variable_storage(ir->var);
 
    if (!reg) {
@@ -1149,6 +1150,9 @@ vec4_visitor::visit(ir_dereference_variable *ir)
    }
 
    this->result = src_reg(*reg);
+
+   if (type->is_scalar() || type->is_vector() || type->is_matrix())
+      this->result.swizzle = swizzle_for_size(type->vector_elements);
 }
 
 void