1/**************************************************************************/
2/* framebuffer_cache_rd.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "framebuffer_cache_rd.h"
32
33FramebufferCacheRD *FramebufferCacheRD::singleton = nullptr;
34
35void FramebufferCacheRD::_invalidate(Cache *p_cache) {
36 if (p_cache->prev) {
37 p_cache->prev->next = p_cache->next;
38 } else {
39 // At beginning of table
40 uint32_t table_idx = p_cache->hash % HASH_TABLE_SIZE;
41 hash_table[table_idx] = p_cache->next;
42 }
43
44 if (p_cache->next) {
45 p_cache->next->prev = p_cache->prev;
46 }
47
48 cache_allocator.free(p_cache);
49 cache_instances_used--;
50}
51void FramebufferCacheRD::_framebuffer_invalidation_callback(void *p_userdata) {
52 singleton->_invalidate(reinterpret_cast<Cache *>(p_userdata));
53}
54
55FramebufferCacheRD::FramebufferCacheRD() {
56 ERR_FAIL_COND(singleton != nullptr);
57 singleton = this;
58}
59
60FramebufferCacheRD::~FramebufferCacheRD() {
61 if (cache_instances_used > 0) {
62 ERR_PRINT("At exit: " + itos(cache_instances_used) + " framebuffer cache instance(s) still in use.");
63 }
64}
65