uint32_t extra_reference = 0;
if (VIV_FEATURE(screen, chipMinorFeatures1, HALF_FLOAT))
- extra_reference = util_float_to_half(CLAMP(so->alpha.ref_value, 0.0f, 1.0f));
+ extra_reference = util_float_to_half(SATURATE(so->alpha.ref_value));
cs->PE_STENCIL_CONFIG_EXT =
VIVS_PE_STENCIL_CONFIG_EXT_EXTRA_ALPHA_REF(extra_reference);
COND(so->depth.writemask, VIVS_PE_DEPTH_CONFIG_WRITE_ENABLE) |
COND(early_z, VIVS_PE_DEPTH_CONFIG_EARLY_Z) |
/* this bit changed meaning with HALTI5: */
- COND(disable_zs && ctx->specs.halti < 5, VIVS_PE_DEPTH_CONFIG_DISABLE_ZS);
+ COND((disable_zs && screen->specs.halti < 5) || ((early_z || disable_zs) && VIV_FEATURE(screen, chipMinorFeatures5, RA_WRITE_DEPTH)), VIVS_PE_DEPTH_CONFIG_DISABLE_ZS);
+
cs->PE_ALPHA_OP =
COND(so->alpha.enabled, VIVS_PE_ALPHA_OP_ALPHA_TEST) |
VIVS_PE_ALPHA_OP_ALPHA_FUNC(so->alpha.func) |
VIVS_PE_ALPHA_OP_ALPHA_REF(etna_cfloat_to_uint8(so->alpha.ref_value));
for (unsigned i = 0; i < 2; i++) {
- const struct pipe_stencil_state *stencil_front = so->stencil[1].enabled ? &so->stencil[i] : &so->stencil[0];
- const struct pipe_stencil_state *stencil_back = so->stencil[1].enabled ? &so->stencil[!i] : &so->stencil[0];
+ const struct pipe_stencil_state *stencil_front = (so->stencil[1].enabled && so->stencil[1].valuemask) ? &so->stencil[i] : &so->stencil[0];
+ const struct pipe_stencil_state *stencil_back = (so->stencil[1].enabled && so->stencil[1].valuemask) ? &so->stencil[!i] : &so->stencil[0];
cs->PE_STENCIL_OP[i] =
VIVS_PE_STENCIL_OP_FUNC_FRONT(stencil_front->func) |
VIVS_PE_STENCIL_OP_FUNC_BACK(stencil_back->func) |
VIVS_PE_STENCIL_CONFIG_EXT2_WRITE_MASK_BACK(stencil_back->writemask);
}
+ /* blob sets this to 0x40000031 on GC7000, seems to make no difference,
+ * but keep it in mind if depth behaves strangely. */
+ cs->RA_DEPTH_CONFIG = 0x00000031;
+ if (VIV_FEATURE(screen, chipMinorFeatures5, RA_WRITE_DEPTH) && !disable_zs && !early_z)
+ cs->RA_DEPTH_CONFIG |= 0x11000000;
+
/* XXX does alpha/stencil test affect PE_COLOR_FORMAT_OVERWRITE? */
return cs;
}