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#include "detection/opencl/opencl.h"
#include "detection/gpu/gpu.h"
#if !defined(FF_HAVE_OPENCL) && defined(__APPLE__) && defined(MAC_OS_X_VERSION_10_15)
#define FF_HAVE_OPENCL 1
#endif
#ifdef FF_HAVE_OPENCL
#include "common/library.h"
#include "common/parsing.h"
#include "common/strutil.h"
#include <string.h>
#define CL_TARGET_OPENCL_VERSION 110
#ifndef __APPLE__
#include <CL/cl.h>
#include <CL/cl_ext.h>
#else
#include <OpenCL/cl.h>
#include <OpenCL/cl_ext.h>
#endif
typedef struct OpenCLData {
FF_LIBRARY_SYMBOL(clGetPlatformIDs)
FF_LIBRARY_SYMBOL(clGetPlatformInfo)
FF_LIBRARY_SYMBOL(clGetDeviceInfo)
FF_LIBRARY_SYMBOL(clGetDeviceIDs)
} OpenCLData;
static const char* openCLHandleData(OpenCLData* data, FFOpenCLResult* result) {
cl_platform_id platforms[32];
cl_uint numPlatforms = 0;
cl_int ret = data->ffclGetPlatformIDs(ARRAY_SIZE(platforms), platforms, &numPlatforms);
if (ret != CL_SUCCESS) {
switch (ret) {
#ifdef CL_PLATFORM_NOT_FOUND_KHR // not available on macOS
case CL_PLATFORM_NOT_FOUND_KHR:
return "clGetPlatformIDs() failed: CL_PLATFORM_NOT_FOUND_KHR";
#endif
case CL_INVALID_VALUE:
return "clGetPlatformIDs() failed: CL_INVALID_VALUE";
case CL_OUT_OF_HOST_MEMORY:
return "clGetPlatformIDs() failed: CL_OUT_OF_HOST_MEMORY";
default:
return "clGetPlatformIDs() failed: unknown error";
}
}
if (numPlatforms == 0) {
return "clGetPlatformIDs returned 0 platforms";
}
char buffer[1024];
for (cl_uint iplat = 0; iplat < numPlatforms; ++iplat) {
if (data->ffclGetPlatformInfo(platforms[iplat], CL_PLATFORM_VERSION, sizeof(buffer), buffer, NULL) != CL_SUCCESS) {
return "clGetPlatformInfo() failed";
}
// Use the newest supported OpenCL version
if (ffStrbufCompS(&result->version, buffer) < 0) {
const char* versionPretty = buffer;
if (ffStrStartsWithIgnCase(buffer, "OpenCL ")) {
versionPretty = buffer + strlen("OpenCL ");
}
ffStrbufSetS(&result->version, versionPretty);
ffStrbufTrim(&result->version, ' ');
if (data->ffclGetPlatformInfo(platforms[iplat], CL_PLATFORM_NAME, sizeof(buffer), buffer, NULL) == CL_SUCCESS) {
ffStrbufSetS(&result->name, buffer);
}
if (data->ffclGetPlatformInfo(platforms[iplat], CL_PLATFORM_VENDOR, sizeof(buffer), buffer, NULL) == CL_SUCCESS) {
ffStrbufSetS(&result->vendor, buffer);
}
}
cl_device_id deviceIDs[32];
cl_uint numDevices = (cl_uint) ARRAY_SIZE(deviceIDs);
if (data->ffclGetDeviceIDs(platforms[iplat], CL_DEVICE_TYPE_GPU, numDevices, deviceIDs, &numDevices) != CL_SUCCESS) {
continue;
}
for (cl_uint idev = 0; idev < numDevices; ++idev) {
cl_device_id deviceID = deviceIDs[idev];
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_NAME, sizeof(buffer), buffer, NULL) != CL_SUCCESS) {
continue;
}
FFGPUResult* gpu = FF_LIST_ADD(FFGPUResult, result->gpus);
ffStrbufInitS(&gpu->name, buffer);
ffStrbufInit(&gpu->vendor);
ffStrbufInit(&gpu->driver);
ffStrbufInit(&gpu->platformApi);
ffStrbufInit(&gpu->memoryType);
gpu->index = FF_GPU_INDEX_UNSET;
gpu->temperature = FF_GPU_TEMP_UNSET;
gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
gpu->type = FF_GPU_TYPE_UNKNOWN;
gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
gpu->deviceId = (size_t) deviceID;
gpu->frequency = FF_GPU_FREQUENCY_UNSET;
gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_VERSION, sizeof(buffer), buffer, NULL) == CL_SUCCESS) {
ffStrbufSetS(&gpu->platformApi, buffer);
ffStrbufTrimRight(&gpu->platformApi, ' ');
} else {
ffStrbufSetStatic(&gpu->platformApi, "OpenCL");
}
{
cl_uint vendorId;
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_VENDOR_ID, sizeof(vendorId), &vendorId, NULL) == CL_SUCCESS) {
ffStrbufSetStatic(&gpu->vendor, ffGPUGetVendorString(vendorId));
}
if (gpu->vendor.length == 0 && data->ffclGetDeviceInfo(deviceID, CL_DEVICE_VENDOR, sizeof(buffer), buffer, NULL) == CL_SUCCESS) {
ffStrbufSetS(&gpu->vendor, buffer);
}
}
if (data->ffclGetDeviceInfo(deviceID, CL_DRIVER_VERSION, sizeof(buffer), buffer, NULL) == CL_SUCCESS) {
const char* versionPretty = strchr(buffer, ' ');
if (versionPretty && *versionPretty) {
ffStrbufSetS(&gpu->driver, versionPretty + 1);
} else {
ffStrbufSetS(&gpu->driver, buffer);
}
}
{
cl_uint value;
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(value), &value, NULL) == CL_SUCCESS) {
gpu->coreCount = (int32_t) value;
}
}
{
cl_uint value;
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_MAX_CLOCK_FREQUENCY, sizeof(value), &value, NULL) == CL_SUCCESS) {
gpu->frequency = value;
}
}
{
cl_bool value;
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_HOST_UNIFIED_MEMORY, sizeof(value), &value, NULL) == CL_SUCCESS) {
gpu->type = value ? FF_GPU_TYPE_INTEGRATED : FF_GPU_TYPE_DISCRETE;
cl_ulong memSize;
if (data->ffclGetDeviceInfo(deviceID, CL_DEVICE_GLOBAL_MEM_SIZE, sizeof(memSize), &memSize, NULL) == CL_SUCCESS) {
if (gpu->type == FF_GPU_TYPE_INTEGRATED) {
gpu->shared.total = memSize;
} else {
gpu->dedicated.total = memSize;
}
}
}
}
}
}
return NULL;
}
static const char* detectOpenCL(FFOpenCLResult* result) {
OpenCLData data;
#ifndef __APPLE__
FF_LIBRARY_LOAD_MESSAGE(opencl,
#ifdef _WIN32
"OpenCL" FF_LIBRARY_EXTENSION,
-1,
#endif
"libOpenCL" FF_LIBRARY_EXTENSION,
1);
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(opencl, data, clGetPlatformIDs);
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(opencl, data, clGetPlatformInfo);
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(opencl, data, clGetDeviceIDs);
FF_LIBRARY_LOAD_SYMBOL_VAR_MESSAGE(opencl, data, clGetDeviceInfo);
return openCLHandleData(&data, result);
#else
data.ffclGetPlatformIDs = clGetPlatformIDs;
data.ffclGetPlatformInfo = clGetPlatformInfo;
data.ffclGetDeviceIDs = clGetDeviceIDs;
data.ffclGetDeviceInfo = clGetDeviceInfo;
return openCLHandleData(&data, result);
#endif
}
#endif // defined(FF_HAVE_OPENCL)
FFOpenCLResult* ffDetectOpenCL(void) {
static FFOpenCLResult result;
static bool initialized;
if (!initialized) {
initialized = true;
ffStrbufInit(&result.version);
ffStrbufInit(&result.name);
ffStrbufInit(&result.vendor);
ffListInit(&result.gpus);
#ifdef FF_HAVE_OPENCL
result.error = detectOpenCL(&result);
#else
result.error = "fastfetch was compiled without OpenCL support";
#endif
}
return &result;
}
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