etnaviv: hwdb: Add S8 feature

This feature tells if the GPU core supports 8bit stencil.

The bit in the gc_feature_database.h is called REG_RSS8 but lets call it
just S8 to name it more generic.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37014>

src/etnaviv/common/etna_core_info.h

@@ -68,6 +68,7 @@ enum etna_feature {
    ETNA_FEATURE_NN_XYDP0,
    ETNA_FEATURE_YUV420_TILER,
    ETNA_FEATURE_MSAA_FRAGMENT_OPERATION,
+   ETNA_FEATURE_S8,
    ETNA_FEATURE_NUM,
 };
 

src/etnaviv/hwdb/etna_hwdb.c

@@ -110,6 +110,7 @@ etna_query_feature_db(struct etna_core_info *info)
    ETNA_FEATURE(NN_XYDP0, NN_XYDP0);
 
    ETNA_FEATURE(MSAA_FRAGMENT_OPERATION, MSAA_FRAGMENT_OPERATION);
+   ETNA_FEATURE(REG_RSS8, S8);
 
    /* Limits: */
    if (info->type == ETNA_CORE_GPU) {