Commit 34458c1c authored by Christian Gmeiner's avatar Christian Gmeiner

etnaviv: add linear sampling support

Signed-off-by: Christian Gmeiner's avatarChristian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach's avatarLucas Stach <l.stach@pengutronix.de>
parent 42ca4dda
......@@ -172,7 +172,9 @@ etna_resource_sampler_compatible(struct etna_resource *res)
if (res->layout == ETNA_LAYOUT_SUPER_TILED && VIV_FEATURE(screen, chipMinorFeatures2, SUPERTILED_TEXTURE))
return true;
/* TODO: LINEAR_TEXTURE_SUPPORT */
/* This GPU supports texturing from linear textures? */
if (res->layout == ETNA_LAYOUT_LINEAR && VIV_FEATURE(screen, chipMinorFeatures1, LINEAR_TEXTURE_SUPPORT))
return true;
/* Otherwise, only support tiled layouts */
if (res->layout != ETNA_LAYOUT_TILED)
......
......@@ -131,6 +131,17 @@ etna_create_sampler_view_state(struct pipe_context *pctx, struct pipe_resource *
return NULL;
}
if (res->addressing_mode == ETNA_ADDRESSING_MODE_LINEAR) {
sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_LINEAR);
for (int lod = 0; lod <= res->base.last_level; ++lod)
sv->TE_SAMPLER_LINEAR_STRIDE[lod] = res->levels[lod].stride;
} else {
sv->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_TILED);
memset(&sv->TE_SAMPLER_LINEAR_STRIDE, 0, sizeof(sv->TE_SAMPLER_LINEAR_STRIDE));
}
sv->TE_SAMPLER_CONFIG1 = COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
COND(astc, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(TEXTURE_FORMAT_EXT_ASTC)) |
VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz;
......@@ -294,6 +305,16 @@ etna_emit_texture_state(struct etna_context *ctx)
}
}
}
if (unlikely(dirty & (ETNA_DIRTY_SAMPLER_VIEWS))) {
for (int y = 0; y < VIVS_TE_SAMPLER_LINEAR_STRIDE__LEN; ++y) {
for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
if ((1 << x) & active_samplers) {
struct etna_sampler_view *sv = etna_sampler_view(ctx->sampler_view[x]);
/*02C00*/ EMIT_STATE(TE_SAMPLER_LINEAR_STRIDE(x, y), sv->TE_SAMPLER_LINEAR_STRIDE[y]);
}
}
}
}
if (unlikely(ctx->specs.tex_astc && (dirty & (ETNA_DIRTY_SAMPLER_VIEWS)))) {
for (int x = 0; x < VIVS_TE_SAMPLER__LEN; ++x) {
if ((1 << x) & active_samplers) {
......
......@@ -62,6 +62,7 @@ struct etna_sampler_view {
uint32_t TE_SAMPLER_SIZE;
uint32_t TE_SAMPLER_LOG_SIZE;
uint32_t TE_SAMPLER_ASTC0;
uint32_t TE_SAMPLER_LINEAR_STRIDE[VIVS_TE_SAMPLER_LINEAR_STRIDE__LEN];
struct etna_reloc TE_SAMPLER_LOD_ADDR[VIVS_TE_SAMPLER_LOD_ADDR__LEN];
unsigned min_lod, max_lod; /* 5.5 fixp */
......
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