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authorZack Rusin <zack@tungstengraphics.com>2007-09-18 13:24:44 -0400
committerZack Rusin <zack@tungstengraphics.com>2007-09-18 13:24:44 -0400
commitccd63b54cfbb6bb241d55f7ac95afcd14819f469 (patch)
tree3ea07838de79877e6d441506cdd6f805fcb9d308 /src/mesa/state_tracker/st_cache.c
parent498a1b5dc4ca431bb1de45d04140bfb2ac319ab2 (diff)
Convert shader to an immutable state object.
Diffstat (limited to 'src/mesa/state_tracker/st_cache.c')
-rw-r--r--src/mesa/state_tracker/st_cache.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cache.c b/src/mesa/state_tracker/st_cache.c
index e9c79634bd7..7b851e3901b 100644
--- a/src/mesa/state_tracker/st_cache.c
+++ b/src/mesa/state_tracker/st_cache.c
@@ -111,3 +111,21 @@ struct pipe_rasterizer_state * st_cached_rasterizer_state(
}
return (struct pipe_rasterizer_state*)(cso_hash_iter_data(iter));
}
+
+struct pipe_shader_state * st_cached_shader_state(
+ struct st_context *st,
+ const struct pipe_shader_state *templ)
+{
+ unsigned hash_key = cso_construct_key((void*)templ,
+ sizeof(struct pipe_shader_state));
+ struct cso_hash_iter iter = cso_find_state_template(st->cache,
+ hash_key, CSO_SHADER,
+ (void*)templ);
+ if (cso_hash_iter_is_null(iter)) {
+ const struct pipe_shader_state *created_state =
+ st->pipe->create_shader_state(st->pipe, templ);
+ iter = cso_insert_state(st->cache, hash_key, CSO_SHADER,
+ (void*)created_state);
+ }
+ return (struct pipe_shader_state*)(cso_hash_iter_data(iter));
+}