add an explicit callback decleration and use it to silence warnings

3 files changed, 10 insertions, 8 deletions

diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.c b/src/gallium/auxiliary/cso_cache/cso_cache.c
index 1b870c8e419..f31042bce11 100644
--- a/src/gallium/auxiliary/cso_cache/cso_cache.c
+++ b/src/gallium/auxiliary/cso_cache/cso_cache.c
@@ -203,7 +203,7 @@ struct cso_cache *cso_cache_create(void)
 }
 
 void cso_for_each_state(struct cso_cache *sc, enum cso_cache_type type,
-                        void (*func)(void *state, void *user_data), void *user_data)
+                        cso_state_callback func, void *user_data)
 {
    struct cso_hash *hash = 0;
    struct cso_hash_iter iter;
diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.h b/src/gallium/auxiliary/cso_cache/cso_cache.h
index 72a6b9d488f..3b0fe100b85 100644
--- a/src/gallium/auxiliary/cso_cache/cso_cache.h
+++ b/src/gallium/auxiliary/cso_cache/cso_cache.h
@@ -138,6 +138,8 @@ enum cso_cache_type {
    CSO_VERTEX_SHADER
 };
 
+typedef void (*cso_state_callback)(void *, void *);
+
 unsigned cso_construct_key(void *item, int item_size);
 
 struct cso_cache *cso_cache_create(void);
@@ -152,7 +154,7 @@ struct cso_hash_iter cso_find_state_template(struct cso_cache *sc,
                                              unsigned hash_key, enum cso_cache_type type,
                                              void *templ);
 void cso_for_each_state(struct cso_cache *sc, enum cso_cache_type type,
-                        void (*func)(void *state, void *user_data), void *user_data);
+                        cso_state_callback func, void *user_data);
 void * cso_take_state(struct cso_cache *sc, unsigned hash_key,
                       enum cso_cache_type type);
 
diff --git a/src/mesa/state_tracker/st_cache.c b/src/mesa/state_tracker/st_cache.c
index 78f282302eb..7ee4fadc37c 100644
--- a/src/mesa/state_tracker/st_cache.c
+++ b/src/mesa/state_tracker/st_cache.c
@@ -63,7 +63,7 @@ const struct cso_blend * st_cached_blend_state(struct st_context *st,
       cso->data = st->pipe->create_blend_state(st->pipe, &cso->state);
       if (!cso->data)
          cso->data = &cso->state;
-      cso->delete_state = st->pipe->delete_blend_state;
+      cso->delete_state = (cso_state_callback)st->pipe->delete_blend_state;
       cso->context = st->pipe;
       iter = cso_insert_state(st->cache, hash_key, CSO_BLEND, cso);
    }
@@ -84,7 +84,7 @@ st_cached_sampler_state(struct st_context *st,
       cso->data = st->pipe->create_sampler_state(st->pipe, &cso->state);
       if (!cso->data)
          cso->data = &cso->state;
-      cso->delete_state = st->pipe->delete_sampler_state;
+      cso->delete_state = (cso_state_callback)st->pipe->delete_sampler_state;
       cso->context = st->pipe;
       iter = cso_insert_state(st->cache, hash_key, CSO_SAMPLER, cso);
    }
@@ -107,7 +107,7 @@ st_cached_depth_stencil_alpha_state(struct st_context *st,
       cso->data = st->pipe->create_depth_stencil_alpha_state(st->pipe, &cso->state);
       if (!cso->data)
          cso->data = &cso->state;
-      cso->delete_state = st->pipe->delete_depth_stencil_alpha_state;
+      cso->delete_state = (cso_state_callback)st->pipe->delete_depth_stencil_alpha_state;
       cso->context = st->pipe;
       iter = cso_insert_state(st->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso);
    }
@@ -129,7 +129,7 @@ const struct cso_rasterizer* st_cached_rasterizer_state(
       cso->data = st->pipe->create_rasterizer_state(st->pipe, &cso->state);
       if (!cso->data)
          cso->data = &cso->state;
-      cso->delete_state = st->pipe->delete_rasterizer_state;
+      cso->delete_state = (cso_state_callback)st->pipe->delete_rasterizer_state;
       cso->context = st->pipe;
       iter = cso_insert_state(st->cache, hash_key, CSO_RASTERIZER, cso);
    }
@@ -151,7 +151,7 @@ st_cached_fs_state(struct st_context *st,
       cso->data = st->pipe->create_fs_state(st->pipe, &cso->state);
       if (!cso->data)
          cso->data = &cso->state;
-      cso->delete_state = st->pipe->delete_fs_state;
+      cso->delete_state = (cso_state_callback)st->pipe->delete_fs_state;
       cso->context = st->pipe;
       iter = cso_insert_state(st->cache, hash_key, CSO_FRAGMENT_SHADER, cso);
    }
@@ -173,7 +173,7 @@ st_cached_vs_state(struct st_context *st,
       cso->data = st->pipe->create_vs_state(st->pipe, &cso->state);
       if (!cso->data)
          cso->data = &cso->state;
-      cso->delete_state = st->pipe->delete_vs_state;
+      cso->delete_state = (cso_state_callback)st->pipe->delete_vs_state;
       cso->context = st->pipe;
       iter = cso_insert_state(st->cache, hash_key, CSO_VERTEX_SHADER, cso);
    }