Hello. Was trying to use the OpenCL context in JME3. I got the CL_INVALID_GL_SHAREGROUP_REFERENCE_KHR on Linux. OpenCL support is there. Any ideas?
This happens in HelloOpenCL.java
Sep 27, 2021 4:41:22 PM com.jme3.system.JmeDesktopSystem initialize
INFO: Running on jMonkeyEngine 3.4.0-stable
* Branch: HEAD
* Git Hash: cb5173b
* Build Date: 2021-05-30
Sep 27, 2021 4:41:22 PM com.jme3.system.lwjgl.LwjglContext initOpenCL
INFO: Initialize OpenCL with LWJGL3
Sep 27, 2021 4:41:22 PM com.jme3.system.lwjgl.LwjglContext initOpenCL
INFO: Available OpenCL platforms:
* Platform 1
* Name: NVIDIA CUDA
* Vendor: NVIDIA Corporation
* Version: OpenCL 3.0 CUDA 11.4.136
* Profile: FULL_PROFILE
* Supports interop: true
* Available devices:
* * Device 1
* * Name: NVIDIA GeForce GTX 1050
* * Vendor: NVIDIA Corporation
* * Version: OpenCL 3.0 CUDA
* * Profile: FULL_PROFILE
* * Compiler version: OpenCL C 1.2
* * Device type: DEFAULT
* * Compute units: 5
* * Work group size: 1024
* * Global memory: 2099904512B
* * Local memory: 49152B
* * Constant memory: 65536B
* * Supports double: true
* * Supports half floats: false
* * Supports writable 3d images: true
* * Supports interop: true
Sep 27, 2021 4:41:22 PM com.jme3.system.lwjgl.LwjglContext initOpenCL
INFO: chosen platform: NVIDIA CUDA
Sep 27, 2021 4:41:22 PM com.jme3.system.lwjgl.LwjglContext initOpenCL
INFO: chosen devices: [NVIDIA GeForce GTX 1050]
Sep 27, 2021 4:46:49 PM com.jme3.system.lwjgl.LwjglContext initOpenCL
SEVERE: Unable to create OpenCL context
com.jme3.opencl.OpenCLException: OpenCL error in clCreateContext: CL_INVALID_GL_CONTEXT_APPLE|CL_INVALID_GL_SHAREGROUP_REFERENCE_KHR (0xfffffc18)
devent-X705UD ~ » clinfo
Number of platforms 1
Platform Name NVIDIA CUDA
Platform Vendor NVIDIA Corporation
Platform Version OpenCL 3.0 CUDA 11.4.136
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_device_uuid cl_khr_pci_bus_info
Platform Host timer resolution 0ns
Platform Extensions function suffix NV
Platform Name NVIDIA CUDA
Number of devices 1
Device Name NVIDIA GeForce GTX 1050
Device Vendor NVIDIA Corporation
Device Vendor ID 0x10de
Device Version OpenCL 3.0 CUDA
Driver Version 470.74
Device OpenCL C Version OpenCL C 1.2
Device Type GPU
Device Topology (NV) PCI-E, 01:00.0
Device Profile FULL_PROFILE
Device Available Yes
Compiler Available Yes
Linker Available Yes
Max compute units 5
Max clock frequency 1493MHz
Compute Capability (NV) 6.1
Device Partition (core)
Max number of sub-devices 1
Supported partition types None
Supported affinity domains (n/a)
Max work item dimensions 3
Max work item sizes 1024x1024x64
Max work group size 1024
Preferred work group size multiple 32
Warp size (NV) 32
Max sub-groups per work group 0
Preferred / native vector sizes
char 1 / 1
short 1 / 1
int 1 / 1
long 1 / 1
half 0 / 0 (n/a)
float 1 / 1
double 1 / 1 (cl_khr_fp64)
Half-precision Floating-point support (n/a)
Single-precision Floating-point support (core)
Denormals Yes
Infinity and NANs Yes
Round to nearest Yes
Round to zero Yes
Round to infinity Yes
IEEE754-2008 fused multiply-add Yes
Support is emulated in software No
Correctly-rounded divide and sqrt operations Yes
Double-precision Floating-point support (cl_khr_fp64)
Denormals Yes
Infinity and NANs Yes
Round to nearest Yes
Round to zero Yes
Round to infinity Yes
IEEE754-2008 fused multiply-add Yes
Support is emulated in software No
Address bits 64, Little-Endian
Global memory size 2099904512 (1.956GiB)
Error Correction support No
Max memory allocation 524976128 (500.7MiB)
Unified memory for Host and Device No
Integrated memory (NV) No
Shared Virtual Memory (SVM) capabilities (core)
Coarse-grained buffer sharing Yes
Fine-grained buffer sharing No
Fine-grained system sharing No
Atomics No
Minimum alignment for any data type 128 bytes
Alignment of base address 4096 bits (512 bytes)
Preferred alignment for atomics
SVM 0 bytes
Global 0 bytes
Local 0 bytes
Max size for global variable 0
Preferred total size of global vars 0
Global Memory cache type Read/Write
Global Memory cache size 245760 (240KiB)
Global Memory cache line size 128 bytes
Image support Yes
Max number of samplers per kernel 32
Max size for 1D images from buffer 268435456 pixels
Max 1D or 2D image array size 2048 images
Max 2D image size 16384x32768 pixels
Max 3D image size 16384x16384x16384 pixels
Max number of read image args 256
Max number of write image args 16
Max number of read/write image args 0
Max number of pipe args 0
Max active pipe reservations 0
Max pipe packet size 0
Local memory type Local
Local memory size 49152 (48KiB)
Registers per block (NV) 65536
Max number of constant args 9
Max constant buffer size 65536 (64KiB)
Max size of kernel argument 4352 (4.25KiB)
Queue properties (on host)
Out-of-order execution Yes
Profiling Yes
Queue properties (on device)
Out-of-order execution No
Profiling No
Preferred size 0
Max size 0
Max queues on device 0
Max events on device 0
Prefer user sync for interop No
Profiling timer resolution 1000ns
Execution capabilities
Run OpenCL kernels Yes
Run native kernels No
Sub-group independent forward progress No
Kernel execution timeout (NV) Yes
Concurrent copy and kernel execution (NV) Yes
Number of async copy engines 2
IL version (n/a)
printf() buffer size 1048576 (1024KiB)
Built-in kernels (n/a)
Device Extensions cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_fp64 cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_device_uuid cl_khr_pci_bus_info
NULL platform behavior
clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) NVIDIA CUDA
clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [NV]
clCreateContext(NULL, ...) [default] Success [NV]
clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) No platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) No platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM) Invalid device type for platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL) No platform
ICD loader properties
ICD loader Name OpenCL ICD Loader
ICD loader Vendor OCL Icd free software
ICD loader Version 2.2.11
ICD loader Profile OpenCL 2.1
NOTE: your OpenCL library only supports OpenCL 2.1,
but some installed platforms support OpenCL 3.0.
Programs using 3.0 features may crash
or behave unexpectedly