freedreno/gmem: split out helper to calc # of bins

Gets the `nbins_x`/`y` local vars out of the main layout function,
to prevent any confusion like what was fixed in the previous patch
from sneaking back in.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5189>

diff --git a/src/gallium/drivers/freedreno/freedreno_gmem.c b/src/gallium/drivers/freedreno/freedreno_gmem.c
index f9130b6b5c8f966be133bd7cc321095ad86582e0..6119f564400c51de3499e8225e489d582ec38920 100644 (file)
--- a/src/gallium/drivers/freedreno/freedreno_gmem.c
+++ b/src/gallium/drivers/freedreno/freedreno_gmem.c
@@ -218,26 +218,16 @@ layout_gmem(struct gmem_key *key, uint32_t nbins_x, uint32_t nbins_y,
        return total <= screen->gmemsize_bytes;
 }
 
-static struct fd_gmem_stateobj *
-gmem_stateobj_init(struct fd_screen *screen, struct gmem_key *key)
+static void
+calc_nbins(struct gmem_key *key, struct fd_gmem_stateobj *gmem)
 {
-       struct fd_gmem_stateobj *gmem =
-                       rzalloc(screen->gmem_cache.ht, struct fd_gmem_stateobj);
-       pipe_reference_init(&gmem->reference, 1);
-       gmem->screen = screen;
-       gmem->key = key;
-       list_inithead(&gmem->node);
-
-       const unsigned npipes = screen->num_vsc_pipes;
+       struct fd_screen *screen = gmem->screen;
        uint32_t nbins_x = 1, nbins_y = 1;
        uint32_t max_width = bin_width(screen);
-       uint32_t i, j, t, xoff, yoff;
-       uint32_t tpp_x, tpp_y;
-       int tile_n[npipes];
 
        if (fd_mesa_debug & FD_DBG_MSGS) {
                debug_printf("binning input: cbuf cpp:");
-               for (i = 0; i < key->nr_cbufs; i++)
+               for (unsigned i = 0; i < key->nr_cbufs; i++)
                        debug_printf(" %d", key->cbuf_cpp[i]);
                debug_printf(", zsbuf cpp: %d; %dx%d\n",
                                key->zsbuf_cpp[0], key->width, key->height);
@@ -276,6 +266,25 @@ gmem_stateobj_init(struct fd_screen *screen, struct gmem_key *key)
 
        layout_gmem(key, nbins_x, nbins_y, gmem);
 
+}
+
+static struct fd_gmem_stateobj *
+gmem_stateobj_init(struct fd_screen *screen, struct gmem_key *key)
+{
+       struct fd_gmem_stateobj *gmem =
+                       rzalloc(screen->gmem_cache.ht, struct fd_gmem_stateobj);
+       pipe_reference_init(&gmem->reference, 1);
+       gmem->screen = screen;
+       gmem->key = key;
+       list_inithead(&gmem->node);
+
+       const unsigned npipes = screen->num_vsc_pipes;
+       uint32_t i, j, t, xoff, yoff;
+       uint32_t tpp_x, tpp_y;
+       int tile_n[npipes];
+
+       calc_nbins(key, gmem);
+
        DBG("using %d bins of size %dx%d", gmem->nbins_x * gmem->nbins_y,
                        gmem->bin_w, gmem->bin_h);