Mesa (master): i965/fs: Set correct number of regs_written for MCS fetches.

[Matt Turner]

Module: Mesa
Branch: master
Commit: dfd117b8570a69a429e660c069997e78b181ab6d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dfd117b8570a69a429e660c069997e78b181ab6d

Author: Matt Turner <mattst88 at gmail.com>
Date:   Tue May 27 15:26:06 2014 -0700

i965/fs: Set correct number of regs_written for MCS fetches.

regs_written is in units of virtual GRFs.

Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/drivers/dri/i965/brw_fs_visitor.cpp |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index be6b8ac..04b9f21 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -1591,9 +1591,9 @@ fs_visitor::emit_mcs_fetch(ir_texture *ir, fs_reg coordinate, int sampler)
    inst->base_mrf = -1;
    inst->mlen = next.reg_offset * reg_width;
    inst->header_present = false;
-   inst->regs_written = 4 * reg_width; /* we only care about one reg of response,
-                                        * but the sampler always writes 4/8
-                                        */
+   inst->regs_written = 4; /* we only care about one reg of response,
+                            * but the sampler always writes 4/8
+                            */
    inst->sampler = sampler;
 
    return dest;