intel/blorp: Add brw_blorp_init_cs_prog_key

Reworks:
 * Split out blorp_init_base_prog_key to share with fs/cs key init (s-b Jason)

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11564>

src/intel/blorp/blorp.c

@@ -174,13 +174,26 @@ blorp_params_init(struct blorp_params *params)
    params->num_layers = 1;
 }
 
+static void
+blorp_init_base_prog_key(struct brw_base_prog_key *key)
+{
+   for (int i = 0; i < MAX_SAMPLERS; i++)
+      key->tex.swizzles[i] = SWIZZLE_XYZW;
+}
+
 void
 brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key)
 {
    memset(wm_key, 0, sizeof(*wm_key));
    wm_key->nr_color_regions = 1;
-   for (int i = 0; i < MAX_SAMPLERS; i++)
-      wm_key->base.tex.swizzles[i] = SWIZZLE_XYZW;
+   blorp_init_base_prog_key(&wm_key->base);
+}
+
+void
+brw_blorp_init_cs_prog_key(struct brw_cs_prog_key *cs_key)
+{
+   memset(cs_key, 0, sizeof(*cs_key));
+   blorp_init_base_prog_key(&cs_key->base);
 }
 
 const unsigned *

src/intel/blorp/blorp_priv.h

@@ -395,6 +395,7 @@ struct brw_blorp_blit_prog_key
  */
 
 void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
+void brw_blorp_init_cs_prog_key(struct brw_cs_prog_key *cs_key);
 
 const char *blorp_shader_type_to_name(enum blorp_shader_type type);