ilo: add array_size and level_count to ilo_image

We will use them for bound checking.

src/gallium/drivers/ilo/core/ilo_image.c

@@ -679,6 +679,8 @@ img_init_size_and_format(struct ilo_image *img,
    img->width0 = templ->width0;
    img->height0 = templ->height0;
    img->depth0 = templ->depth0;
+   img->array_size = templ->array_size;
+   img->level_count = templ->last_level + 1;
    img->sample_count = (templ->nr_samples) ? templ->nr_samples : 1;
 
    /*
@@ -1348,6 +1350,8 @@ img_init_for_transfer(struct ilo_image *img,
    img->width0 = templ->width0;
    img->height0 = templ->height0;
    img->depth0 = templ->depth0;
+   img->array_size = templ->array_size;
+   img->level_count = 1;
    img->sample_count = 1;
 
    img->format = templ->format;

src/gallium/drivers/ilo/core/ilo_image.h

@@ -94,6 +94,8 @@ struct ilo_image {
    unsigned width0;
    unsigned height0;
    unsigned depth0;
+   unsigned array_size;
+   unsigned level_count;
    unsigned sample_count;
    enum pipe_format format;
    bool separate_stencil;