Mesa (master): radv: disable mip point pre clamping.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: d81bd2f75462646d3803d683a28f6682a2ce3078
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d81bd2f75462646d3803d683a28f6682a2ce3078

Author: Dave Airlie <airlied at redhat.com>
Date:   Tue Mar  7 05:08:42 2017 +0000

radv: disable mip point pre clamping.

No idea what this does, but disabling it fixes a bunch
of failing CTS tests in the lod area, so let's go with that.

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Cc: "13.0 17.0" <mesa-stable at lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/amd/vulkan/radv_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 9202baa..f1874ce 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -2631,7 +2631,7 @@ radv_init_sampler(struct radv_device *device,
 			     S_008F38_XY_MAG_FILTER(radv_tex_filter(pCreateInfo->magFilter, max_aniso)) |
 			     S_008F38_XY_MIN_FILTER(radv_tex_filter(pCreateInfo->minFilter, max_aniso)) |
 			     S_008F38_MIP_FILTER(radv_tex_mipfilter(pCreateInfo->mipmapMode)) |
-			     S_008F38_MIP_POINT_PRECLAMP(1) |
+			     S_008F38_MIP_POINT_PRECLAMP(0) |
 			     S_008F38_DISABLE_LSB_CEIL(1) |
 			     S_008F38_FILTER_PREC_FIX(1) |
 			     S_008F38_ANISO_OVERRIDE(is_vi));