mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
f999f52f0a
Adds a FramebufferCache singletion that operates the same way as UniformSetCache. Allows creating framebuffers on the fly (and keep them cached if re-requested) such as: ```C++ RID fb = FramebufferCache::get_singleton()->get_cache(texture1,texture2); ```
65 lines
3.0 KiB
C++
65 lines
3.0 KiB
C++
/*************************************************************************/
|
|
/* framebuffer_cache_rd.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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 "framebuffer_cache_rd.h"
|
|
|
|
FramebufferCacheRD *FramebufferCacheRD::singleton = nullptr;
|
|
|
|
void FramebufferCacheRD::_invalidate(Cache *p_cache) {
|
|
if (p_cache->prev) {
|
|
p_cache->prev->next = p_cache->next;
|
|
} else {
|
|
// At beginning of table
|
|
uint32_t table_idx = p_cache->hash % HASH_TABLE_SIZE;
|
|
hash_table[table_idx] = p_cache->next;
|
|
}
|
|
|
|
if (p_cache->next) {
|
|
p_cache->next->prev = p_cache->prev;
|
|
}
|
|
|
|
cache_allocator.free(p_cache);
|
|
cache_instances_used--;
|
|
}
|
|
void FramebufferCacheRD::_framebuffer_invalidation_callback(void *p_userdata) {
|
|
singleton->_invalidate(reinterpret_cast<Cache *>(p_userdata));
|
|
}
|
|
|
|
FramebufferCacheRD::FramebufferCacheRD() {
|
|
ERR_FAIL_COND(singleton != nullptr);
|
|
singleton = this;
|
|
}
|
|
|
|
FramebufferCacheRD::~FramebufferCacheRD() {
|
|
if (cache_instances_used > 0) {
|
|
ERR_PRINT("At exit: " + itos(cache_instances_used) + " framebuffer cache instance(s) still in use.");
|
|
}
|
|
}
|