From: Eric Anholt <eric@anholt.net>
Date: Thu, 11 Aug 2011 23:27:41 +0000 (-0700)
Subject: i965/vs: Fix abs/negate handling on attributes.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=54e66a0a6327b55f15a7c641ec68da505ff19a35;p=mesa.git

i965/vs: Fix abs/negate handling on attributes.

Fixes glsl-vs-neg-attribute and glsl-vs-abs-attribute.
---

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp b/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp
index 9ef6ab6de90..6b0ae42e0e0 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_emit.cpp
@@ -65,9 +65,16 @@ vec4_visitor::setup_attributes(int payload_reg)
 	    continue;
 
 	 int grf = attribute_map[inst->src[i].reg + inst->src[i].reg_offset];
+
+	 struct brw_reg reg = brw_vec8_grf(grf, 0);
+	 reg.dw1.bits.swizzle = inst->src[i].swizzle;
+	 if (inst->src[i].abs)
+	    reg = brw_abs(reg);
+	 if (inst->src[i].negate)
+	    reg = negate(reg);
+
 	 inst->src[i].file = HW_REG;
-	 inst->src[i].fixed_hw_reg = brw_vec8_grf(grf, 0);
-	 inst->src[i].fixed_hw_reg.dw1.bits.swizzle = inst->src[i].swizzle;
+	 inst->src[i].fixed_hw_reg = reg;
       }
    }