예제 #1
0
boolean r300_is_sampler_format_supported(enum pipe_format format)
{
    return r300_translate_texformat(format, 0, TRUE, FALSE) != ~0;
}
예제 #2
0
static void r300_setup_texture_state(struct r300_screen* screen, struct r300_texture* tex)
{
    struct r300_texture_format_state* state = &tex->state;
    struct pipe_texture *pt = &tex->tex;
    unsigned i;
    boolean is_r500 = screen->caps->is_r500;

    /* Set sampler state. */
    state->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) |
                     R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff);

    if (tex->is_npot) {
        /* rectangles love this */
        state->format0 |= R300_TX_PITCH_EN;
        state->format2 = (tex->pitch[0] - 1) & 0x1fff;
    } else {
        /* power of two textures (3D, mipmaps, and no pitch) */
        state->format0 |= R300_TX_DEPTH(util_logbase2(pt->depth0) & 0xf);
    }

    state->format1 = r300_translate_texformat(pt->format);
    if (pt->target == PIPE_TEXTURE_CUBE) {
        state->format1 |= R300_TX_FORMAT_CUBIC_MAP;
    }
    if (pt->target == PIPE_TEXTURE_3D) {
        state->format1 |= R300_TX_FORMAT_3D;
    }

    /* large textures on r500 */
    if (is_r500)
    {
        if (pt->width0 > 2048) {
            state->format2 |= R500_TXWIDTH_BIT11;
        }
        if (pt->height0 > 2048) {
            state->format2 |= R500_TXHEIGHT_BIT11;
        }
    }

    SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n",
               pt->width0, pt->height0, pt->last_level);

    /* Set framebuffer state. */
    if (util_format_is_depth_or_stencil(tex->tex.format)) {
        for (i = 0; i <= tex->tex.last_level; i++) {
            tex->fb_state.depthpitch[i] =
                tex->pitch[i] |
                R300_DEPTHMACROTILE(tex->mip_macrotile[i]) |
                R300_DEPTHMICROTILE(tex->microtile);
        }
        tex->fb_state.zb_format = r300_translate_zsformat(tex->tex.format);
    } else {
        for (i = 0; i <= tex->tex.last_level; i++) {
            tex->fb_state.colorpitch[i] =
                tex->pitch[i] |
                r300_translate_colorformat(tex->tex.format) |
                R300_COLOR_TILE(tex->mip_macrotile[i]) |
                R300_COLOR_MICROTILE(tex->microtile);
        }
        tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->tex.format);
    }
}