mirror of
				https://github.com/godotengine/godot.git
				synced 2025-11-04 07:31:16 +00:00 
			
		
		
		
	
		
			
	
	
		
			65 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			65 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| 
								 | 
							
								/**************************************************************************/
							 | 
						||
| 
								 | 
							
								/*  framebuffer_cache_rd.cpp                                              */
							 | 
						||
| 
								 | 
							
								/**************************************************************************/
							 | 
						||
| 
								 | 
							
								/*                         This file is part of:                          */
							 | 
						||
| 
								 | 
							
								/*                             GODOT ENGINE                               */
							 | 
						||
| 
								 | 
							
								/*                        https://godotengine.org                         */
							 | 
						||
| 
								 | 
							
								/**************************************************************************/
							 | 
						||
| 
								 | 
							
								/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
							 | 
						||
| 
								 | 
							
								/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
							 | 
						||
| 
								 | 
							
								/*                                                                        */
							 | 
						||
| 
								 | 
							
								/* 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.");
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								}
							 |