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/**************************************************************************
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*
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* Copyright (C) 2014 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "util/u_pointer.h"
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#include "util/u_memory.h"
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#include "util/u_hash_table.h"
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#include "vrend_object.h"
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struct vrend_object_types {
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void (*unref)(void *);
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} obj_types[VIRGL_MAX_OBJECTS];
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static void (*resource_unref)(void *);
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void vrend_object_set_destroy_callback(int type, void (*cb)(void *))
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{
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obj_types[type].unref = cb;
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}
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void vrend_resource_set_destroy_callback(void (*cb)(void *))
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{
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resource_unref = cb;
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}
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static unsigned
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hash_func(void *key)
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{
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intptr_t ip = pointer_to_intptr(key);
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return (unsigned)(ip & 0xffffffff);
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}
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static int
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compare(void *key1, void *key2)
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{
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if (key1 < key2)
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return -1;
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if (key1 > key2)
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return 1;
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else
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return 0;
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}
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static struct util_hash_table *res_hash;
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struct vrend_object {
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enum virgl_object_type type;
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uint32_t handle;
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void *data;
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bool free_data;
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};
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struct util_hash_table *vrend_object_init_ctx_table(void)
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{
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struct util_hash_table *ctx_hash;
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ctx_hash = util_hash_table_create(hash_func, compare);
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return ctx_hash;
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}
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static void vrend_object_free(struct vrend_object *obj)
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{
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if (obj->free_data) {
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if (obj_types[obj->type].unref)
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obj_types[obj->type].unref(obj->data);
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else {
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/* for objects with no callback just free them */
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free(obj->data);
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}
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}
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free(obj);
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}
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static enum pipe_error free_cb(void *key, void *value, void *data)
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{
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struct vrend_object *obj = value;
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vrend_object_free(obj);
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return PIPE_OK;
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}
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void vrend_object_fini_ctx_table(struct util_hash_table *ctx_hash)
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{
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if (!ctx_hash)
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return;
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util_hash_table_foreach(ctx_hash, free_cb, NULL);
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util_hash_table_destroy(ctx_hash);
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}
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void
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vrend_object_init_resource_table(void)
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{
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if (!res_hash)
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res_hash = util_hash_table_create(hash_func, compare);
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}
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static enum pipe_error free_res_cb(void *key, void *value, void *data)
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{
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struct vrend_object *obj = value;
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(*resource_unref)(obj->data);
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free(obj);
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return PIPE_OK;
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}
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void vrend_object_fini_resource_table(void)
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{
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if (res_hash) {
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util_hash_table_foreach(res_hash, free_res_cb, NULL);
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util_hash_table_destroy(res_hash);
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}
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res_hash = NULL;
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}
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uint32_t
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vrend_object_insert_nofree(struct util_hash_table *handle_hash,
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void *data, uint32_t length, uint32_t handle, enum virgl_object_type type, bool free_data)
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{
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struct vrend_object *obj = CALLOC_STRUCT(vrend_object);
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if (!obj)
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return 0;
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obj->handle = handle;
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obj->data = data;
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obj->type = type;
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obj->free_data = free_data;
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util_hash_table_set(handle_hash, intptr_to_pointer(obj->handle), obj);
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return obj->handle;
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}
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uint32_t
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vrend_object_insert(struct util_hash_table *handle_hash,
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void *data, uint32_t length, uint32_t handle, enum virgl_object_type type)
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{
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return vrend_object_insert_nofree(handle_hash, data, length,
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handle, type, true);
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}
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void
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vrend_object_remove(struct util_hash_table *handle_hash,
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uint32_t handle, enum virgl_object_type type)
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{
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struct vrend_object *obj;
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obj = util_hash_table_get(handle_hash, intptr_to_pointer(handle));
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if (!obj)
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return;
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util_hash_table_remove(handle_hash, intptr_to_pointer(handle));
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vrend_object_free(obj);
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}
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void *vrend_object_lookup(struct util_hash_table *handle_hash,
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uint32_t handle, enum virgl_object_type type)
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{
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struct vrend_object *obj;
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obj = util_hash_table_get(handle_hash, intptr_to_pointer(handle));
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if (!obj) {
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return NULL;
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}
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if (obj->type != type)
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return NULL;
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return obj->data;
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}
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int vrend_resource_insert(void *data, uint32_t handle)
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{
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struct vrend_object *obj = CALLOC_STRUCT(vrend_object);
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if (!obj)
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return 0;
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obj->handle = handle;
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obj->data = data;
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util_hash_table_set(res_hash, intptr_to_pointer(obj->handle), obj);
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return obj->handle;
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}
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void vrend_resource_remove(uint32_t handle)
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{
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struct vrend_object *obj;
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obj = util_hash_table_get(res_hash, intptr_to_pointer(handle));
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if (!obj)
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return;
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util_hash_table_remove(res_hash, intptr_to_pointer(handle));
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free(obj);
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}
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void *vrend_resource_lookup(uint32_t handle, uint32_t ctx_id)
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{
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struct vrend_object *obj;
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obj = util_hash_table_get(res_hash, intptr_to_pointer(handle));
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if (!obj)
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return NULL;
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return obj->data;
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}
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