we were not fetching the texture coords in the copybit case, so we were using garbage

        return false;

    }

    // FIXME: we should handle culling  here

    c->arrays.compileElements(c, c->vc.vBuffer, 0, 4);

    // we detect if we're dealing with a rectangle, by comparing the

        return false;

    }

    // fetch and transform texture coordinates

    // NOTE: maybe it would be better to have a "compileElementsAll" method

    // that would ensure all vertex data are fetched and transformed

    const transform_t& tr = c->transforms.texture[0].transform; 

    for (size_t i=0 ; i<4 ; i++) {

        const GLubyte* tp = c->arrays.texture[0].element(i);

        vertex_t* const v = &c->vc.vBuffer[i];

        c->arrays.texture[0].fetch(c, v->texture[0].v, tp);

        // FIXME: we should bail if q!=1

        c->arrays.tex_transform[0](&tr, &v->texture[0], &v->texture[0]);

    }

    const vec4_t& t0 = c->vc.vBuffer[0].texture[0];

    const vec4_t& t1 = c->vc.vBuffer[1].texture[0];

    const vec4_t& t2 = c->vc.vBuffer[2].texture[0];

    if ((txl != 0) || (txb != 0) ||

        (txr != FIXED_ONE) || (txt != FIXED_ONE)) {

        // we could probably handle this case, if we wanted to

        LOGD_IF(DEBUG_COPYBIT, "texture is cropped");

        LOGD_IF(DEBUG_COPYBIT, "texture is cropped: %08x,%08x,%08x,%08x",

                txl, txb, txr, txt);

        return false;

    }