From 9df3778016e9153bc8759f84075db2d62a62a596 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Mon, 6 Feb 2017 21:56:35 -0800 Subject: [PATCH] i965/sampler_state: Clamp min/max LOD to 14 on gen7+ Reviewed-by: Lionel Landwerlin Reviewed-by: Kenneth Graunke Cc: "17.0" --- src/mesa/drivers/dri/i965/brw_sampler_state.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_sampler_state.c b/src/mesa/drivers/dri/i965/brw_sampler_state.c index 412efb9a618..e677a75386d 100644 --- a/src/mesa/drivers/dri/i965/brw_sampler_state.c +++ b/src/mesa/drivers/dri/i965/brw_sampler_state.c @@ -503,8 +503,11 @@ brw_update_sampler_state(struct brw_context *brw, } const int lod_bits = brw->gen >= 7 ? 8 : 6; - const unsigned min_lod = U_FIXED(CLAMP(sampler->MinLod, 0, 13), lod_bits); - const unsigned max_lod = U_FIXED(CLAMP(sampler->MaxLod, 0, 13), lod_bits); + const float hw_max_lod = brw->gen >= 7 ? 14 : 13; + const unsigned min_lod = + U_FIXED(CLAMP(sampler->MinLod, 0, hw_max_lod), lod_bits); + const unsigned max_lod = + U_FIXED(CLAMP(sampler->MaxLod, 0, hw_max_lod), lod_bits); const int lod_bias = S_FIXED(CLAMP(tex_unit_lod_bias + sampler->LodBias, -16, 15), lod_bits); -- 2.30.2