[Mesa-dev] [PATCH 2/6] radeonsi: enable some sampler fields to match the closed driver

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

copied from the Vulkan driver
---
 src/gallium/drivers/radeonsi/si_state.c | 9 +++++++--
 src/gallium/drivers/radeonsi/sid.h      | 3 +++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 8373632..d6d9d7b 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3227,13 +3227,18 @@ static void *si_create_sampler_state(struct pipe_context *ctx,
 			  r600_tex_aniso_filter(state->max_anisotropy) << 9 |
 			  S_008F30_DEPTH_COMPARE_FUNC(si_tex_compare(state->compare_func)) |
 			  S_008F30_FORCE_UNNORMALIZED(!state->normalized_coords) |
-			  S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map));
+			  S_008F30_DISABLE_CUBE_WRAP(!state->seamless_cube_map) |
+			  S_008F30_COMPAT_MODE(sctx->b.chip_class >= VI));
 	rstate->val[1] = (S_008F34_MIN_LOD(S_FIXED(CLAMP(state->min_lod, 0, 15), 8)) |
 			  S_008F34_MAX_LOD(S_FIXED(CLAMP(state->max_lod, 0, 15), 8)));
 	rstate->val[2] = (S_008F38_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |
 			  S_008F38_XY_MAG_FILTER(si_tex_filter(state->mag_img_filter) | aniso_flag_offset) |
 			  S_008F38_XY_MIN_FILTER(si_tex_filter(state->min_img_filter) | aniso_flag_offset) |
-			  S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)));
+			  S_008F38_MIP_FILTER(si_tex_mipfilter(state->min_mip_filter)) |
+			  S_008F38_MIP_POINT_PRECLAMP(1) |
+			  S_008F38_DISABLE_LSB_CEIL(1) |
+			  S_008F38_FILTER_PREC_FIX(1) |
+			  S_008F38_ANISO_OVERRIDE(sctx->b.chip_class >= VI));
 	rstate->val[3] = S_008F3C_BORDER_COLOR_PTR(border_color_index) |
 			 S_008F3C_BORDER_COLOR_TYPE(border_color_type);
 	return rstate;
diff --git a/src/gallium/drivers/radeonsi/sid.h b/src/gallium/drivers/radeonsi/sid.h
index 80fb8cb..c02a1d2 100644
--- a/src/gallium/drivers/radeonsi/sid.h
+++ b/src/gallium/drivers/radeonsi/sid.h
@@ -2392,6 +2392,9 @@
 #define   S_008F38_FILTER_PREC_FIX(x)                                 (((x) & 0x1) << 30)
 #define   G_008F38_FILTER_PREC_FIX(x)                                 (((x) >> 30) & 0x1)
 #define   C_008F38_FILTER_PREC_FIX                                    0xBFFFFFFF
+#define   S_008F38_ANISO_OVERRIDE(x)                                  (((x) & 0x1) << 31)
+#define   G_008F38_ANISO_OVERRIDE(x)                                  (((x) >> 31) & 0x1)
+#define   C_008F38_ANISO_OVERRIDE                                     0x7FFFFFFF
 #define R_008F3C_SQ_IMG_SAMP_WORD3                                      0x008F3C
 #define   S_008F3C_BORDER_COLOR_PTR(x)                                (((x) & 0xFFF) << 0)
 #define   G_008F3C_BORDER_COLOR_PTR(x)                                (((x) >> 0) & 0xFFF)
-- 
2.5.0