Mesa (master): i965: Don't flag gather quirks for Gen8+

[Chris Forbes]

Module: Mesa
Branch: master
Commit: a1ca5802401c384c1eadbf72cf910c65e377600c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=a1ca5802401c384c1eadbf72cf910c65e377600c

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Fri Nov 29 22:04:58 2013 +1300

i965: Don't flag gather quirks for Gen8+

My understanding is that Broadwell retains the same SCS mechanism
that Haswell has, so even if the underlying issue with this format
is not fixed, the w/a will be applied in SCS rather than needing
shader code.

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

---

 src/mesa/drivers/dri/i965/brw_wm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index a2ae73f..6739a91 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -353,7 +353,7 @@ brw_populate_sampler_prog_key_data(struct gl_context *ctx,
 
          /* gather4's channel select for green from RG32F is broken;
           * requires a shader w/a on IVB; fixable with just SCS on HSW. */
-         if (brw->gen >= 7 && !brw->is_haswell && prog->UsesGather) {
+         if (brw->gen == 7 && !brw->is_haswell && prog->UsesGather) {
             if (img->InternalFormat == GL_RG32F)
                key->gather_channel_quirk_mask |= 1 << s;
          }