From: Connor Abbott <connor.w.abbott@intel.com>
Date: Wed, 1 Jul 2015 16:58:47 +0000 (-0700)
Subject: i965/fs: fix regs_read() for LINTERP
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9f344b908a95440d215f29c0b05b8ea8dba2839e;p=mesa.git

i965/fs: fix regs_read() for LINTERP

The second source always stays within the same SIMD8 register.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Connor Abbott <connor.w.abbott@intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 2e3eb05b796..51ef32c1b6a 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -685,7 +685,8 @@ fs_inst::regs_read(int arg) const
    case FS_OPCODE_LINTERP:
       if (arg == 0)
          return exec_size / 4;
-      break;
+      else
+         return 1;
 
    case FS_OPCODE_PIXEL_X:
    case FS_OPCODE_PIXEL_Y: