C++ (Cpp) etna_float_to_fixp55 Examples

Example #1

File: etnaviv_texture.c Project: mdaniel/virtualbox-org-svn-vbox-trunk

static void *
etna_create_sampler_state(struct pipe_context *pipe,
                          const struct pipe_sampler_state *ss)
{
   struct etna_sampler_state *cs = CALLOC_STRUCT(etna_sampler_state);

   if (!cs)
      return NULL;

   cs->TE_SAMPLER_CONFIG0 =
      VIVS_TE_SAMPLER_CONFIG0_UWRAP(translate_texture_wrapmode(ss->wrap_s)) |
      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)) |
      COND(ss->normalized_coords, VIVS_TE_SAMPLER_CONFIG0_ROUND_UV);
   cs->TE_SAMPLER_CONFIG1 = 0; /* VIVS_TE_SAMPLER_CONFIG1 (swizzle, extended
                                  format) fully determined by sampler view */
   cs->TE_SAMPLER_LOD_CONFIG =
      COND(ss->lod_bias != 0.0, VIVS_TE_SAMPLER_LOD_CONFIG_BIAS_ENABLE) |
      VIVS_TE_SAMPLER_LOD_CONFIG_BIAS(etna_float_to_fixp55(ss->lod_bias));

   if (ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
      cs->min_lod = etna_float_to_fixp55(ss->min_lod);
      cs->max_lod = etna_float_to_fixp55(ss->max_lod);
   } else {
      /* when not mipmapping, we need to set max/min lod so that always
       * lowest LOD is selected */
      cs->min_lod = cs->max_lod = etna_float_to_fixp55(ss->min_lod);
   }

   return cs;
}

Example #2

File: etna_texture.c Project: HibikiTaisuna/etna_viv

static void *etna_pipe_create_sampler_state(struct pipe_context *pipe,
                              const struct pipe_sampler_state *ss)
{
    //struct etna_pipe_context *priv = etna_pipe_context(pipe);
    struct compiled_sampler_state *cs = CALLOC_STRUCT(compiled_sampler_state);
    cs->TE_SAMPLER_CONFIG0 =
                /* XXX get from sampler view: VIVS_TE_SAMPLER_CONFIG0_TYPE(TEXTURE_TYPE_2D)| */
                VIVS_TE_SAMPLER_CONFIG0_UWRAP(translate_texture_wrapmode(ss->wrap_s))|
                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));
                /* XXX get from sampler view: VIVS_TE_SAMPLER_CONFIG0_FORMAT(tex_format) */
    cs->TE_SAMPLER_CONFIG1 = 0; /* VIVS_TE_SAMPLER_CONFIG1 (swizzle, extended format) fully determined by sampler view */
    cs->TE_SAMPLER_LOD_CONFIG =
            (ss->lod_bias != 0.0 ? VIVS_TE_SAMPLER_LOD_CONFIG_BIAS_ENABLE : 0) |
            VIVS_TE_SAMPLER_LOD_CONFIG_BIAS(etna_float_to_fixp55(ss->lod_bias));
    if(ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE)
    {
        cs->min_lod = etna_float_to_fixp55(ss->min_lod);
        cs->max_lod = etna_float_to_fixp55(ss->max_lod);
    } else { /* when not mipmapping, we need to set max/min lod so that always lowest LOD is selected */
        cs->min_lod = cs->max_lod = etna_float_to_fixp55(ss->min_lod);
    }
    return cs;
}