/* * Copyright (c) 2018-2022 Jean-Philippe Bruyère * * 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. */ #ifndef VKVG_SYNC_CONTEXT_INTERNAL_H #define VKVG_SYNC_CONTEXT_INTERNAL_H #include "vkvg_internal.h" #include "vkvg.h" #include "vkh.h" typedef struct _vkvg_sync_context* vkvgSync; typedef struct _vkvg_sync_context { VkvgDevice dev; VkFence fence; // this fence is kept signaled when idle, wait and reset are called before each recording. VkSemaphore signals[2]; // dual signal semaphore couple with the fence guard ensure sync in multithreaded. bool nextSubmIdx; // switch between signal[0] and [1], index of the next sema to use as signal vkvgSync awaitedBy; vkvgSync awaiting; }vkvg_sync_context; void _sync_context_init (VkvgDevice dev, vkvg_sync_context* ctx); void _sync_context_clear (vkvgSync ctx); VkResult _sync_context_wait (vkvgSync ctx, uint64_t timeout); VkResult _sync_context_wait_and_reset (vkvgSync ctx, uint64_t timeout); void _sync_context_dbg_print (const char *label, vkvg_sync_context* ctx); #endif