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authorEric Anholt <[email protected]>2020-03-11 16:39:04 -0700
committerEric Anholt <[email protected]>2020-03-17 11:11:51 -0700
commit5960dadd1f2494da6ea8fa04a46271beb66dea49 (patch)
tree0f00b74111c92a6ea30534136a0ce33567524dbe /src/gallium
parent4bc15e78fa51e6c0df491a9fef4f99b2dfad77a9 (diff)
freedreno/a5xx: Fix min-vs-mag filtering decisions on non-mipmap tex.
This a port of 3338d6e5f8b5 ("freedreno/a3xx: Mostly fix min-vs-mag filtering decisions on non-mipmap tex.") Reviewed-by: Kristian H. Kristensen <[email protected]> Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4177> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4177>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/freedreno/a5xx/fd5_texture.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_texture.c b/src/gallium/drivers/freedreno/a5xx/fd5_texture.c
index 5da1a3022e9..5ec8e546eca 100644
--- a/src/gallium/drivers/freedreno/a5xx/fd5_texture.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_texture.c
@@ -126,11 +126,20 @@ fd5_sampler_state_create(struct pipe_context *pctx,
COND(!cso->seamless_cube_map, A5XX_TEX_SAMP_1_CUBEMAPSEAMLESSFILTOFF) |
COND(!cso->normalized_coords, A5XX_TEX_SAMP_1_UNNORM_COORDS);
+ so->texsamp0 |= A5XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias);
+
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
- so->texsamp0 |= A5XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias);
so->texsamp1 |=
A5XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
A5XX_TEX_SAMP_1_MAX_LOD(cso->max_lod);
+ } else {
+ /* If we're not doing mipmap filtering, we still need a slightly > 0
+ * LOD clamp so the HW can decide between min and mag filtering of
+ * level 0.
+ */
+ so->texsamp1 |=
+ A5XX_TEX_SAMP_1_MIN_LOD(MIN2(cso->min_lod, 0.125)) |
+ A5XX_TEX_SAMP_1_MAX_LOD(MIN2(cso->max_lod, 0.125));
}
if (cso->compare_mode)