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etnaviv: add anisotropic filter support

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I have not seen any usage of TEXTURE_FILTER_ANISOTROPIC in the cmd streams
from the binary blob. Maybe it gets used on some model/rev combinations.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2888>
This commit is contained in:
Christian Gmeiner 2020-04-17 18:22:33 +02:00 • committed by Marge Bot
parent 1d4c191572
commit 7aaa0e5908
3 changed files with 8 additions and 2 deletions
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5
src/gallium/drivers/etnaviv/etnaviv_texture_desc.c
View file

@ -47,6 +47,7 @@ struct etna_sampler_state_desc {
uint32_t SAMP_CTRL1;
uint32_t SAMP_LOD_MINMAX;
uint32_t SAMP_LOD_BIAS;
uint32_t SAMP_ANISOTROPY;
};
static inline struct etna_sampler_state_desc *
@ -77,6 +78,7 @@ etna_create_sampler_state_desc(struct pipe_context *pipe,
const struct pipe_sampler_state *ss)
{
struct etna_sampler_state_desc *cs = CALLOC_STRUCT(etna_sampler_state_desc);
const bool ansio = ss->max_anisotropy > 1;
if (!cs)
return NULL;
@ -107,6 +109,8 @@ etna_create_sampler_state_desc(struct pipe_context *pipe,
cs->SAMP_LOD_BIAS =
VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_BIAS(etna_float_to_fixp88(ss->lod_bias)) |
COND(ss->lod_bias != 0.0, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_ENABLE);
cs->SAMP_ANISOTROPY =
VIVS_NTE_DESCRIPTOR_SAMP_ANISOTROPY(COND(ansio, etna_log2_fixp88(ss->max_anisotropy)));
return cs;
}
@ -298,6 +302,7 @@ etna_emit_texture_desc(struct etna_context *ctx)
etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL1(x), ss->SAMP_CTRL1 | sv->SAMP_CTRL1);
etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX(x), ss->SAMP_LOD_MINMAX);
etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS(x), ss->SAMP_LOD_BIAS);
etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_ANISOTROPY(x), ss->SAMP_ANISOTROPY);
}
}
}

4
src/gallium/drivers/etnaviv/etnaviv_texture_state.c
View file

@ -86,6 +86,7 @@ etna_create_sampler_state_state(struct pipe_context *pipe,
const struct pipe_sampler_state *ss)
{
struct etna_sampler_state *cs = CALLOC_STRUCT(etna_sampler_state);
const bool ansio = ss->max_anisotropy > 1;
if (!cs)
return NULL;
@ -95,7 +96,8 @@ etna_create_sampler_state_state(struct pipe_context *pipe,
VIVS_TE_SAMPLER_CONFIG0_VWRAP(translate_texture_wrapmode(ss->wrap_t)) |
VIVS_TE_SAMPLER_CONFIG0_MIN(translate_texture_filter(ss->min_img_filter)) |
VIVS_TE_SAMPLER_CONFIG0_MIP(translate_texture_mipfilter(ss->min_mip_filter)) |
VIVS_TE_SAMPLER_CONFIG0_MAG(translate_texture_filter(ss->mag_img_filter));
VIVS_TE_SAMPLER_CONFIG0_MAG(translate_texture_filter(ss->mag_img_filter)) |
VIVS_TE_SAMPLER_CONFIG0_ANISOTROPY(COND(ansio, etna_log2_fixp55(ss->max_anisotropy)));
/* ROUND_UV improves precision - but not compatible with NEAREST filter */
if (ss->min_img_filter != PIPE_TEX_FILTER_NEAREST &&

1
src/gallium/drivers/etnaviv/etnaviv_translate.h
View file

@ -227,7 +227,6 @@ translate_texture_filter(unsigned filter)
return TEXTURE_FILTER_NEAREST;
case PIPE_TEX_FILTER_LINEAR:
return TEXTURE_FILTER_LINEAR;
/* What about anisotropic? */
default:
DBG("Unhandled texture filter: %i", filter);
return ETNA_NO_MATCH;