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/****************************************************************************
* Copyright (C) 2014-2018 Intel Corporation. All Rights Reserved.
*
* 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 (including the next
* paragraph) 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.
*
* @file threads.h
*
* @brief Definitions for SWR threading model.
*
******************************************************************************/
#pragma once
#include "knobs.h"
#include <unordered_set>
#include <thread>
typedef std::thread* THREAD_PTR;
struct SWR_CONTEXT;
struct DRAW_CONTEXT;
struct SWR_WORKER_PRIVATE_STATE;
struct THREAD_DATA
{
void* pWorkerPrivateData; // Pointer to per-worker private data
uint32_t procGroupId; // Will always be 0 for non-Windows OS
uint32_t threadId; // within the procGroup for Windows
uint32_t numaId; // NUMA node id
uint32_t coreId; // Core id
uint32_t htId; // Hyperthread id
uint32_t workerId; // index of worker in total thread data
void* clipperData; // pointer to hang clipper-private data on
SWR_CONTEXT* pContext;
bool forceBindProcGroup; // Only useful when MAX_WORKER_THREADS is set.
};
struct THREAD_POOL
{
THREAD_PTR* pThreads;
uint32_t numThreads;
uint32_t numaMask;
THREAD_DATA* pThreadData;
void* pWorkerPrivateDataArray; // All memory for worker private data
uint32_t numReservedThreads; // Number of threads reserved for API use
THREAD_DATA* pApiThreadData;
};
struct TileSet;
void CreateThreadPool(SWR_CONTEXT* pContext, THREAD_POOL* pPool);
void StartThreadPool(SWR_CONTEXT* pContext, THREAD_POOL* pPool);
void DestroyThreadPool(SWR_CONTEXT* pContext, THREAD_POOL* pPool);
// Expose FE and BE worker functions to the API thread if single threaded
void WorkOnFifoFE(SWR_CONTEXT* pContext, uint32_t workerId, uint32_t& curDrawFE);
bool WorkOnFifoBE(SWR_CONTEXT* pContext,
uint32_t workerId,
uint32_t& curDrawBE,
TileSet& usedTiles,
uint32_t numaNode,
uint32_t numaMask);
void WorkOnCompute(SWR_CONTEXT* pContext, uint32_t workerId, uint32_t& curDrawBE);
int32_t CompleteDrawContext(SWR_CONTEXT* pContext, DRAW_CONTEXT* pDC);
void BindApiThread(SWR_CONTEXT* pContext, uint32_t apiThreadId);
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