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virglrenderer/src/vrend_object.c

202 lines
5.1 KiB

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