[Mesa-dev] [PATCH] i965: Don't flag gather quirks for Gen8+

[Chris Forbes]

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>
---
 src/mesa/drivers/dri/i965/brw_wm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c
index bc1480c..8a106c7 100644
--- a/src/mesa/drivers/dri/i965/brw_wm.c
+++ b/src/mesa/drivers/dri/i965/brw_wm.c
@@ -352,7 +352,7 @@ 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;
          }
-- 
1.8.4.2