1/****************************************************************************
2* Copyright (C) 2014-2016 Intel Corporation.   All Rights Reserved.
3*
4* Permission is hereby granted, free of charge, to any person obtaining a
5* copy of this software and associated documentation files (the "Software"),
6* to deal in the Software without restriction, including without limitation
7* the rights to use, copy, modify, merge, publish, distribute, sublicense,
8* and/or sell copies of the Software, and to permit persons to whom the
9* Software is furnished to do so, subject to the following conditions:
10*
11* The above copyright notice and this permission notice (including the next
12* paragraph) shall be included in all copies or substantial portions of the
13* Software.
14*
15* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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19* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21* IN THE SOFTWARE.
22*
23* @file threads.h
24*
25* @brief Definitions for SWR threading model.
26*
27******************************************************************************/
28#pragma once
29
30#include "knobs.h"
31
32#include <unordered_set>
33#include <thread>
34typedef std::thread* THREAD_PTR;
35
36struct SWR_CONTEXT;
37struct DRAW_CONTEXT;
38
39struct THREAD_DATA
40{
41    uint32_t procGroupId;   // Will always be 0 for non-Windows OS
42    uint32_t threadId;      // within the procGroup for Windows
43    uint32_t numaId;        // NUMA node id
44    uint32_t coreId;        // Core id
45    uint32_t htId;          // Hyperthread id
46    uint32_t workerId;
47    SWR_CONTEXT *pContext;
48    bool forceBindProcGroup; // Only useful when MAX_WORKER_THREADS is set.
49};
50
51
52struct THREAD_POOL
53{
54    THREAD_PTR* pThreads;
55    uint32_t numThreads;
56    uint32_t numaMask;
57    THREAD_DATA *pThreadData;
58};
59
60typedef std::unordered_set<uint32_t> TileSet;
61
62void CreateThreadPool(SWR_CONTEXT *pContext, THREAD_POOL *pPool);
63void StartThreadPool(SWR_CONTEXT* pContext, THREAD_POOL* pPool);
64void DestroyThreadPool(SWR_CONTEXT *pContext, THREAD_POOL *pPool);
65
66// Expose FE and BE worker functions to the API thread if single threaded
67void WorkOnFifoFE(SWR_CONTEXT *pContext, uint32_t workerId, uint32_t &curDrawFE);
68bool WorkOnFifoBE(SWR_CONTEXT *pContext, uint32_t workerId, uint32_t &curDrawBE, TileSet &usedTiles, uint32_t numaNode, uint32_t numaMask);
69void WorkOnCompute(SWR_CONTEXT *pContext, uint32_t workerId, uint32_t &curDrawBE);
70int32_t CompleteDrawContext(SWR_CONTEXT* pContext, DRAW_CONTEXT* pDC);
71