/****************************************************************************
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* Copyright (C) 2014-2016 Intel Corporation. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* @file threads.h
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*
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* @brief Definitions for SWR threading model.
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*
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******************************************************************************/
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#pragma once
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#include "knobs.h"
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#include <unordered_set>
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#include <thread>
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typedef std::thread* THREAD_PTR;
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struct SWR_CONTEXT;
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struct DRAW_CONTEXT;
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struct THREAD_DATA
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{
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uint32_t procGroupId; // Will always be 0 for non-Windows OS
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uint32_t threadId; // within the procGroup for Windows
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uint32_t numaId; // NUMA node id
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uint32_t coreId; // Core id
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uint32_t htId; // Hyperthread id
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uint32_t workerId;
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SWR_CONTEXT *pContext;
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bool forceBindProcGroup; // Only useful when MAX_WORKER_THREADS is set.
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};
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struct THREAD_POOL
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{
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THREAD_PTR* pThreads;
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uint32_t numThreads;
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uint32_t numaMask;
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THREAD_DATA *pThreadData;
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uint32_t numReservedThreads; // Number of threads reserved for API use
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THREAD_DATA *pApiThreadData;
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};
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typedef std::unordered_set<uint32_t> TileSet;
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void CreateThreadPool(SWR_CONTEXT *pContext, THREAD_POOL *pPool);
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void StartThreadPool(SWR_CONTEXT* pContext, THREAD_POOL* pPool);
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void DestroyThreadPool(SWR_CONTEXT *pContext, THREAD_POOL *pPool);
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// Expose FE and BE worker functions to the API thread if single threaded
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void WorkOnFifoFE(SWR_CONTEXT *pContext, uint32_t workerId, uint32_t &curDrawFE);
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bool WorkOnFifoBE(SWR_CONTEXT *pContext, uint32_t workerId, uint32_t &curDrawBE, TileSet &usedTiles, uint32_t numaNode, uint32_t numaMask);
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void WorkOnCompute(SWR_CONTEXT *pContext, uint32_t workerId, uint32_t &curDrawBE);
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int32_t CompleteDrawContext(SWR_CONTEXT* pContext, DRAW_CONTEXT* pDC);
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void BindApiThread(SWR_CONTEXT *pContext, uint32_t apiThreadId);
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