Mesa (master): r600: Use TRUNC_COORD on samplers
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Sun May 24 14:49:03 UTC 2020
Module: Mesa
Branch: master
Commit: c130a3402e61ba62a2d90f71d4b196b8c5597832
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c130a3402e61ba62a2d90f71d4b196b8c5597832
Author: Christopher Egert <cme3000 at gmail.com>
Date: Sun May 17 19:12:02 2020 +0200
r600: Use TRUNC_COORD on samplers
As per d573d1d82524b8a2e5f56938069cabc0f0176a0e the same should be done
here. It seems like TRUNCATE_COORD not available on r600, so this is
limited to evergreen.
Reviewed-by: Gert Wollny <gert.wollny at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5078>
---
src/gallium/drivers/r600/evergreen_state.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index d1f3b9e7b0a..f9c71668fbf 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -574,6 +574,8 @@ static void *evergreen_create_sampler_state(struct pipe_context *ctx,
unsigned max_aniso = rscreen->force_aniso >= 0 ? rscreen->force_aniso
: state->max_anisotropy;
unsigned max_aniso_ratio = r600_tex_aniso_filter(max_aniso);
+ bool trunc_coord = state->min_img_filter == PIPE_TEX_FILTER_NEAREST &&
+ state->mag_img_filter == PIPE_TEX_FILTER_NEAREST;
float max_lod = state->max_lod;
if (!ss) {
@@ -608,6 +610,7 @@ static void *evergreen_create_sampler_state(struct pipe_context *ctx,
ss->tex_sampler_words[2] =
S_03C008_LOD_BIAS(S_FIXED(CLAMP(state->lod_bias, -16, 16), 8)) |
(state->seamless_cube_map ? 0 : S_03C008_DISABLE_CUBE_WRAP(1)) |
+ S_03C008_TRUNCATE_COORD(trunc_coord) |
S_03C008_TYPE(1);
if (ss->border_color_use) {
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