zink: remove use_local_size from compute pipeline state

this is redundant since pipeline state gets flagged on bind

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18197>

src/gallium/drivers/zink/zink_pipeline.c

@@ -390,7 +390,7 @@ zink_create_compute_pipeline(struct zink_screen *screen, struct zink_compute_pro
 
    VkSpecializationInfo sinfo = {0};
    VkSpecializationMapEntry me[3];
-   if (state->use_local_size) {
+   if (comp->use_local_size) {
       stage.pSpecializationInfo = &sinfo;
       sinfo.mapEntryCount = 3;
       sinfo.pMapEntries = &me[0];

src/gallium/drivers/zink/zink_program.c

@@ -686,23 +686,25 @@ fail:
 }
 
 static uint32_t
-hash_compute_pipeline_state(const void *key)
+hash_compute_pipeline_state_local_size(const void *key)
 {
    const struct zink_compute_pipeline_state *state = key;
    uint32_t hash = _mesa_hash_data(state, offsetof(struct zink_compute_pipeline_state, hash));
-   if (state->use_local_size)
-      hash = XXH32(&state->local_size[0], sizeof(state->local_size), hash);
+   hash = XXH32(&state->local_size[0], sizeof(state->local_size), hash);
    return hash;
 }
 
+static uint32_t
+hash_compute_pipeline_state(const void *key)
+{
+   const struct zink_compute_pipeline_state *state = key;
+   return _mesa_hash_data(state, offsetof(struct zink_compute_pipeline_state, hash));
+}
+
 void
 zink_program_update_compute_pipeline_state(struct zink_context *ctx, struct zink_compute_program *comp, const uint block[3])
 {
-   if (ctx->compute_pipeline_state.use_local_size != comp->use_local_size)
-      ctx->compute_pipeline_state.dirty = true;
-   ctx->compute_pipeline_state.use_local_size = comp->use_local_size;
-
-   if (ctx->compute_pipeline_state.use_local_size) {
+   if (comp->use_local_size) {
       for (int i = 0; i < ARRAY_SIZE(ctx->compute_pipeline_state.local_size); i++) {
          if (ctx->compute_pipeline_state.local_size[i] != block[i])
             ctx->compute_pipeline_state.dirty = true;
@@ -962,7 +964,10 @@ zink_get_compute_pipeline(struct zink_screen *screen,
    if (state->dirty) {
       if (state->pipeline) //avoid on first hash
          state->final_hash ^= state->hash;
-      state->hash = hash_compute_pipeline_state(state);
+      if (comp->use_local_size)
+         state->hash = hash_compute_pipeline_state_local_size(state);
+      else
+         state->hash = hash_compute_pipeline_state(state);
       state->dirty = false;
       state->final_hash ^= state->hash;
    }

src/gallium/drivers/zink/zink_types.h

@@ -684,7 +684,6 @@ struct zink_compute_pipeline_state {
    uint32_t hash;
    uint32_t final_hash;
    bool dirty;
-   bool use_local_size;
    uint32_t local_size[3];
 
    uint32_t module_hash;