From: Zack Rusin <zack@tungstengraphics.com>
Date: Wed, 19 Dec 2007 10:28:28 +0000 (-0500)
Subject: i965: stuff the outputs into mrf registers when possible
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=93d90c6b570298ea96c5952af1acb31b0a89362c;p=mesa.git

i965: stuff the outputs into mrf registers when possible
---

diff --git a/src/mesa/pipe/i965simple/brw_vs_emit.c b/src/mesa/pipe/i965simple/brw_vs_emit.c
index 174f56ff340..d8483f213a5 100644
--- a/src/mesa/pipe/i965simple/brw_vs_emit.c
+++ b/src/mesa/pipe/i965simple/brw_vs_emit.c
@@ -117,9 +117,14 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c,
          mrf++;
       }
 #else
-      /* for now stuff everything in grf */
-      c->regs[TGSI_FILE_OUTPUT][i] = brw_vec8_grf(reg, 0);
-      reg++;
+      /*treat pos differently for now */
+      if (i == info->pos_idx) {
+         c->regs[TGSI_FILE_OUTPUT][i] = brw_vec8_grf(reg, 0);
+         reg++;
+      } else {
+         c->regs[TGSI_FILE_OUTPUT][i] = brw_message_reg(mrf);
+         mrf++;
+      }
 #endif
    }