From 6abb82da7e676384e7e2c9732307b23f8ed7157d Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack@tungstengraphics.com>
Date: Mon, 25 Feb 2008 22:03:58 -0500
Subject: implement deleting of driver side cached state in cso's

---
 src/gallium/auxiliary/cso_cache/cso_cache.c | 88 +++++++++++++++++++++++++++++
 src/gallium/auxiliary/cso_cache/cso_cache.h | 14 +++++
 src/gallium/auxiliary/cso_cache/cso_hash.h  |  1 -
 3 files changed, 102 insertions(+), 1 deletion(-)

(limited to 'src/gallium')

diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.c b/src/gallium/auxiliary/cso_cache/cso_cache.c
index 9c32e94124..9aa1a64272 100644
--- a/src/gallium/auxiliary/cso_cache/cso_cache.c
+++ b/src/gallium/auxiliary/cso_cache/cso_cache.c
@@ -190,9 +190,96 @@ struct cso_cache *cso_cache_create(void)
    return sc;
 }
 
+void cso_for_each_state(struct cso_cache *sc, enum cso_cache_type type,
+                        void (*func)(void *state, void *user_data), void *user_data)
+{
+   struct cso_hash *hash = 0;
+   struct cso_hash_iter iter;
+
+   switch (type) {
+   case CSO_BLEND:
+      hash = sc->blend_hash;
+      break;
+   case CSO_SAMPLER:
+      hash = sc->sampler_hash;
+      break;
+   case CSO_DEPTH_STENCIL_ALPHA:
+      hash = sc->depth_stencil_hash;
+      break;
+   case CSO_RASTERIZER:
+      hash = sc->rasterizer_hash;
+      break;
+   case CSO_FRAGMENT_SHADER:
+      hash = sc->fs_hash;
+      break;
+   case CSO_VERTEX_SHADER:
+      hash = sc->vs_hash;
+      break;
+   }
+
+   iter = cso_hash_first_node(hash);
+   while (!cso_hash_iter_is_null(iter)) {
+      void *state = cso_hash_iter_data(iter);
+      if (state) {
+         func(state, user_data);
+      }
+      iter = cso_hash_iter_next(iter);
+   }
+}
+
+static void delete_blend_state(void *state, void *user_data)
+{
+   struct cso_blend *cso = (struct cso_blend *)state;
+   if (cso->delete_state && cso->data != &cso->state)
+      cso->delete_state(cso->context, cso->data);
+}
+
+static void delete_depth_stencil_state(void *state, void *pipe)
+{
+   struct cso_depth_stencil_alpha *cso = (struct cso_depth_stencil_alpha *)state;
+   if (cso->delete_state && cso->data != &cso->state)
+      cso->delete_state(cso->context, cso->data);
+}
+
+static void delete_sampler_state(void *state, void *pipe)
+{
+   struct cso_sampler *cso = (struct cso_sampler *)state;
+   if (cso->delete_state && cso->data != &cso->state)
+      cso->delete_state(cso->context, cso->data);
+}
+
+static void delete_rasterizer_state(void *state, void *pipe)
+{
+   struct cso_rasterizer *cso = (struct cso_rasterizer *)state;
+   if (cso->delete_state && cso->data != &cso->state)
+      cso->delete_state(cso->context, cso->data);
+}
+
+static void delete_fs_state(void *state, void *pipe)
+{
+   struct cso_fragment_shader *cso = (struct cso_fragment_shader *)state;
+   if (cso->delete_state && cso->data != &cso->state)
+      cso->delete_state(cso->context, cso->data);
+}
+
+static void delete_vs_state(void *state, void *pipe)
+{
+   struct cso_vertex_shader *cso = (struct cso_vertex_shader *)state;
+   if (cso->delete_state && cso->data != &cso->state)
+      cso->delete_state(cso->context, cso->data);
+}
+
 void cso_cache_delete(struct cso_cache *sc)
 {
    assert(sc);
+   /* delete driver data */
+   cso_for_each_state(sc, CSO_BLEND, delete_blend_state, 0);
+   cso_for_each_state(sc, CSO_DEPTH_STENCIL_ALPHA, delete_depth_stencil_state, 0);
+   cso_for_each_state(sc, CSO_FRAGMENT_SHADER, delete_fs_state, 0);
+   cso_for_each_state(sc, CSO_VERTEX_SHADER, delete_vs_state, 0);
+   cso_for_each_state(sc, CSO_RASTERIZER, delete_rasterizer_state, 0);
+   cso_for_each_state(sc, CSO_SAMPLER, delete_sampler_state, 0);
+
    cso_hash_delete(sc->blend_hash);
    cso_hash_delete(sc->sampler_hash);
    cso_hash_delete(sc->depth_stencil_hash);
@@ -201,3 +288,4 @@ void cso_cache_delete(struct cso_cache *sc)
    cso_hash_delete(sc->vs_hash);
    FREE(sc);
 }
+
diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.h b/src/gallium/auxiliary/cso_cache/cso_cache.h
index 3a005a376e..f3bd4623c9 100644
--- a/src/gallium/auxiliary/cso_cache/cso_cache.h
+++ b/src/gallium/auxiliary/cso_cache/cso_cache.h
@@ -97,31 +97,43 @@ struct cso_cache {
 struct cso_blend {
    struct pipe_blend_state state;
    void   *data;
+   void   (*delete_state)(void *, void  *);
+   void   *context;
 };
 
 struct cso_depth_stencil_alpha {
    struct pipe_depth_stencil_alpha_state state;
    void *data;
+   void   (*delete_state)(void *, void  *);
+   void   *context;
 };
 
 struct cso_rasterizer {
    struct pipe_rasterizer_state state;
    void *data;
+   void   (*delete_state)(void *, void  *);
+   void   *context;
 };
 
 struct cso_fragment_shader {
    struct pipe_shader_state state;
    void *data;
+   void   (*delete_state)(void *, void  *);
+   void   *context;
 };
 
 struct cso_vertex_shader {
    struct pipe_shader_state state;
    void *data;
+   void   (*delete_state)(void *, void  *);
+   void   *context;
 };
 
 struct cso_sampler {
    struct pipe_sampler_state state;
    void *data;
+   void   (*delete_state)(void *, void  *);
+   void   *context;
 };
 
 
@@ -147,6 +159,8 @@ struct cso_hash_iter cso_find_state(struct cso_cache *sc,
 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);
 void * cso_take_state(struct cso_cache *sc, unsigned hash_key,
                       enum cso_cache_type type);
 
diff --git a/src/gallium/auxiliary/cso_cache/cso_hash.h b/src/gallium/auxiliary/cso_cache/cso_hash.h
index 2e8b69675c..86c62c027a 100644
--- a/src/gallium/auxiliary/cso_cache/cso_hash.h
+++ b/src/gallium/auxiliary/cso_cache/cso_hash.h
@@ -38,7 +38,6 @@
 extern "C" {
 #endif
 
-   
 struct cso_hash;
 struct cso_node;
 
-- 
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