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freedreno/a4xx: fix min/max/bias lod sampler settings

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This makes a4xx look more like a3xx for these settings. Most importantly
it adds the workaround for allowing the hw to decide between min and mag
filtering. This fixes a number of dEQP texture filtering tests.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13763>
This commit is contained in:
Ilia Mirkin 2021-11-11 19:16:15 -05:00 • committed by Marge Bot
parent 4ffcef821c
commit d903eb156a
1 changed files with 8 additions and 1 deletions
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9
src/gallium/drivers/freedreno/a4xx/fd4_texture.c
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@ -96,6 +96,7 @@ fd4_sampler_state_create(struct pipe_context *pctx,
A4XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter, aniso)) |
A4XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter, aniso)) |
A4XX_TEX_SAMP_0_ANISO(aniso) |
A4XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias) |
A4XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s, &so->needs_border)) |
A4XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t, &so->needs_border)) |
A4XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r, &so->needs_border));
@ -106,9 +107,15 @@ fd4_sampler_state_create(struct pipe_context *pctx,
COND(!cso->normalized_coords, A4XX_TEX_SAMP_1_UNNORM_COORDS);
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
so->texsamp0 |= A4XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias);
so->texsamp1 |= A4XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
A4XX_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 |= A4XX_TEX_SAMP_1_MIN_LOD(MIN2(cso->min_lod, 0.125)) |
A4XX_TEX_SAMP_1_MAX_LOD(MIN2(cso->max_lod, 0.125));
}
if (cso->compare_mode)