Stowage/godot
2
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2025-11-01 06:01:14 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add a Framebuffer cache

Browse source 
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);
```
This commit is contained in:
Juan Linietsky 2022-08-05 11:59:58 +02:00
parent 9c8e7031bf
commit f999f52f0a
11 changed files with 436 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

64
servers/rendering/renderer_rd/framebuffer_cache_rd.cpp Normal file
View file

@ -0,0 +1,64 @@
/*************************************************************************/
/* 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.");
}
}