cuda-samples/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_CrossGPU/helper.h
2022-01-13 11:35:24 +05:30

222 lines
6.7 KiB
C

/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "eglstrm_common.h"
#if defined(EXTENSION_LIST)
EXTENSION_LIST(EXTLST_EXTERN)
#endif
#include <cuda.h>
int parseCmdLine(int argc, char *argv[], TestArgs *args);
void printUsage(void);
int NUMTRIALS = 10;
int profileAPIs = 0;
bool verbose = 0;
bool isCrossDevice = 0;
// Parse the command line options. Returns FAILURE on a parse error, SUCCESS
// otherwise.
int parseCmdLine(int argc, char *argv[], TestArgs *args) {
int i;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-h") == 0) {
printUsage();
exit(0);
} else if (strcmp(argv[i], "-n") == 0) {
++i;
if (sscanf(argv[i], "%d", &NUMTRIALS) != 1 || NUMTRIALS <= 0) {
printf("Invalid trial count: %s should be > 0\n", argv[i]);
return -1;
}
} else if (strcmp(argv[i], "-profile") == 0) {
profileAPIs = 1;
} else if (strcmp(argv[i], "-crossdev") == 0) {
isCrossDevice = 1;
} else if (strcmp(argv[i], "-width") == 0) {
++i;
if (sscanf(argv[i], "%d", &WIDTH) != 1 || (WIDTH <= 0)) {
printf("Width should be greater than 0\n");
return -1;
}
} else if (strcmp(argv[i], "-height") == 0) {
++i;
if (sscanf(argv[i], "%d", &HEIGHT) != 1 || (HEIGHT <= 0)) {
printf("Width should be greater than 0\n");
return -1;
}
} else if (0 == strcmp(&argv[i][1], "proctype")) {
++i;
if (!strcasecmp(argv[i], "prod")) {
args->isProducer = 1;
} else if (!strcasecmp(argv[i], "cons")) {
args->isProducer = 0;
} else {
printf("%s: Bad Process Type: %s\n", __func__, argv[i]);
return 1;
}
} else if (strcmp(argv[i], "-v") == 0) {
verbose = 1;
} else {
printf("Unknown option: %s\n", argv[i]);
return -1;
}
}
if (isCrossDevice) {
int deviceCount = 0;
CUresult error_id = cuInit(0);
if (error_id != CUDA_SUCCESS) {
printf("cuInit(0) returned %d\n", error_id);
printf("Result = FAIL\n");
exit(EXIT_FAILURE);
}
error_id = cuDeviceGetCount(&deviceCount);
if (error_id != CUDA_SUCCESS) {
printf("cuDeviceGetCount returned %d\n", (int)error_id);
printf("Result = FAIL\n");
exit(EXIT_FAILURE);
}
int iGPUexists = 0;
CUdevice dev;
for (dev = 0; dev < deviceCount; ++dev) {
int integrated = 0;
CUresult error_result = cuDeviceGetAttribute(
&integrated, CU_DEVICE_ATTRIBUTE_INTEGRATED, dev);
if (error_result != CUDA_SUCCESS) {
printf("cuDeviceGetAttribute returned error : %d\n", (int)error_result);
exit(EXIT_FAILURE);
}
if (integrated) {
iGPUexists = 1;
}
}
if (!iGPUexists) {
printf("No Integrated GPU found in the system.\n");
printf(
"-crossdev option is only supported on systems with an Integrated "
"GPU and a Discrete GPU\n");
printf("Waiving the execution\n");
exit(EXIT_SUCCESS);
}
}
if (!eglSetupExtensions(isCrossDevice)) {
printf("SetupExtentions failed \n");
exit(EXIT_FAILURE);
}
#define MAX_EGL_DEVICES 4
EGLDeviceEXT devices[MAX_EGL_DEVICES];
EGLint numDevices = 0;
EGLBoolean eglStatus =
eglQueryDevicesEXT(MAX_EGL_DEVICES, devices, &numDevices);
if (eglStatus != EGL_TRUE) {
printf("Error querying EGL devices\n");
exit(EXIT_FAILURE);
}
if (numDevices == 0) {
printf("No EGL devices found\n");
eglStatus = EGL_FALSE;
exit(2); // EXIT_WAIVED
}
int egl_device_id = 0;
for (egl_device_id = 0; egl_device_id < numDevices; egl_device_id++) {
EGLAttrib cuda_device;
eglStatus = eglQueryDeviceAttribEXT(devices[egl_device_id],
EGL_CUDA_DEVICE_NV, &cuda_device);
if (eglStatus == EGL_TRUE) {
break;
}
}
if (egl_device_id >= numDevices) {
printf("No CUDA Capable EGL Device found.. Waiving execution\n");
exit(2); // EXIT_WAIVED
}
if (isCrossDevice) {
if (numDevices == 1) {
printf(
"Found only one EGL device, cannot setup cross GPU streams. "
"Waiving\n");
eglStatus = EGL_FALSE;
exit(2); // EXIT_WAIVED
}
}
return 0;
}
void launchProducer(TestArgs *args) {
/* Cross-process creation of producer */
char argsProducer[1024];
char str[256];
strcpy(argsProducer, "./EGLStream_CUDA_CrossGPU -proctype prod ");
if (isCrossDevice) {
sprintf(str, "-crossdev ");
strcat(argsProducer, str);
}
if (verbose) {
sprintf(str, "-v ");
strcat(argsProducer, str);
}
/*Make the process run in bg*/
strcat(argsProducer, "& ");
printf("\n%s: Crossproc Producer command: %s \n", __func__, argsProducer);
/*Create crossproc Producer*/
system(argsProducer);
/*Enable crossproc Consumer in the same process */
args->isProducer = 0;
}
void printUsage(void) {
printf("Usage:\n");
printf(" -h Print this help message\n");
printf(" -n n Exit after running n trials. Set to 10 by default\n");
printf(
" -profile Profile time taken by ReleaseAPI. Not set by default\n");
printf(" -crossdev Run with producer on idgpu and consumer on dgpu\n");
printf(" -dgpu (same as -crossdev, deprecated)\n");
printf(" -v verbose output\n");
}