gpu_detect.cpp

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2009 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC.  If not, see <http://www.gnu.org/licenses/>.


// client-specific GPU code.  Mostly GPU detection

#define USE_CHILD_PROCESS_TO_DETECT_GPUS 1

#include "cpp.h"

#ifdef _WIN32
#include "boinc_win.h"
#ifdef _MSC_VER
#define snprintf _snprintf
#define chdir _chdir
#endif
#else
#include "config.h"
#include <setjmp.h>
#include <signal.h>
#endif

#include "coproc.h"
#include "file_names.h"
#include "util.h"
#include "str_replace.h"
#include "client_msgs.h"

using std::string;
using std::vector;

#ifndef _WIN32
jmp_buf resume;

void segv_handler(int) {
    longjmp(resume, 1);
}
#endif

vector<COPROC_ATI> ati_gpus;
vector<COPROC_NVIDIA> nvidia_gpus;
vector<COPROC_INTEL> intel_gpus;
vector<OPENCL_DEVICE_PROP> ati_opencls;
vector<OPENCL_DEVICE_PROP> nvidia_opencls;
vector<OPENCL_DEVICE_PROP> intel_gpu_opencls;

static char* client_path;
static char client_dir[MAXPATHLEN];

void COPROCS::get(
    bool use_all, vector<string>&descs, vector<string>&warnings,
    IGNORE_GPU_INSTANCE& ignore_gpu_instance
) {
#if USE_CHILD_PROCESS_TO_DETECT_GPUS
    int retval = 0;
    char buf[256];