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Releases

Version 0.12.3 (2026-03-08)

Bug fixes

  • PR #76 Fix naming issue.
    The name of the new wrap function should have been wrap_cl_context.

Version 0.12.2 (2026-03-06)

New Features

  • Issue #73 Provide the ability to create a context and command queue from a cl_context or cl_command_queue

Version 0.12.1 (2025-09-22)

  • PR #72 fix static linking by disabling default features in cl3.

Version 0.12.0 (2025-04-19)

Changes

  • Update for Rust edition = "2024"

New Features

  • Add cl_qcom_perf_hint feature.
  • Add cl_ext_buffer_device_address feature.

Version 0.11.0 (2025-02-19)

Changes

  • Up to date with OpenCL-Headers tag v2024.10.24.

Version 0.10.0 (2024-12-21)

Bug fixes

  • Issue #69 Unsound issue in SvmVec.

New Features

  • Issue #70 Support dynamic linking.

Version 0.9.5 (2023-12-22)

New Features

  • Issue #64 Update with new features in OpenCL-Headers repo.

Version 0.9.4 (2023-11-05)

New Features

  • Issue #64 Update with new functions in OpenCL-Headers repo.

Version 0.9.3 (2023-05-11)

New Features

  • PR #60 Support querying PCIE information for Intel devices.

Version 0.9.2 (2022-12-30)

Bug fixes

  • Issue #58 Compile failure due to unmarked unsafe function call in program.rs.

Version 0.9.1 (2022-09-20)

Bug fixes

  • PR #54 Unshadow device re-exports.

New Features

  • Issue #55 Add Khronos cl_khr_command_buffer_mutable_dispatch extension.

Version 0.9.0 (2022-09-10)

Breaking Changes

  • Issue #51 Undefined behaviour when using underlying OpenCL pointers without any unsafe.
  • Issue #52 CL_MEM_USE_HOST_PTR can result in undefined behaviour.

New Features

  • PR #53 added sync for all threadsafe OpenCL objects.

Version 0.8.1 (2022-07-23)

Bug fixes

  • Issue #49 Better Error messages for ExecuteKernel::set_arg.

New Features

  • Update for OpenCL extension cl_ext_image_requirements_info.

  • PR #50 Introduce track_caller for panicing methods of ExecuteKernel.

Version 0.8.0 (2022-05-02)

Breaking Changes

  • Issue #47 Base opencl3 on opencl-sys crate.
  • Issue #48 Put deprecation notices behind conditional attributes.

Version 0.7.0 (2022-04-10)

Breaking Changes

  • Transition to Rust 2021 Edition.

Version 0.6.3 (2021-12-30)

New Features

Version 0.6.2 (2021-12-19)

New Features

  • Issue #37 Implement DeserializeSeed for ExtendSvmVec to enable serde to deserialize directly into an SvmVec.

Bug fixes

  • Issue #45 Examples and tests have CL_MEM_READ_ONLY and CL_MEM_WRITE_ONLY swapped over.

Version 0.6.1 (2021-11-12)

New Features

  • Issue #43 Update for new OpenCL extensions: cl_khr_external_memory, cl_khr_external_semaphore and cl_khr_semaphore.

Version 0.6.0 (2021-10-16)

Breaking Changes

  • Issue #41 Remove cl3 Info enums to support new OpenCL versions and extensions.
  • Add UUID and LUID types. See cl3 Issue #13 Remove Info enums to support new OpenCL versions and extensions.
  • Remove example from README.md.

Version 0.5.3 (2021-10-10)

New Features

  • Issue #38 Add SVM fine grain system support.
  • Issue #40 Replace all calls to to_string with from or into.
  • Issue #42 add From traits.
  • Add get_all_devices function.

Version 0.5.2 (2021-09-19)

[dependencies]
libc = "0.2"
cl3 = { version = "0.4", default-features = false }
serde = { version = "1.0", optional = true }

New Features

  • Issue #39 Update for latest OpenCL-Headers.
  • Add CONTRIBUTING and CODE_OF_CONDUCT documents.

Version 0.5.1 (2021-09-17)

[dependencies]
libc = "0.2"
cl3 = { version = "0.4.2", default-features = false }
serde = { version = "1.0", optional = true }

New Features

  • Issue #37 Implement Serde's Serialize, Deserialize for SvmVec.

Bug fixes

  • Issue #32 Example from readme has zero output on GTX 1060 Max-Q.
  • Issue #35 Superfluous/Misleading generic parameter in ExecuteKernel::set_arg_local_buffer.

Version 0.5.0 (2021-09-12)

Breaking Changes

  • Improve SVM interface and documentation.
  • Remove svm_capabilities parameter from SvmVec methods.

Bug fixes

  • Issue #33 Coarse-grained SVM has to be mapped before usage!

Version 0.4.1 (2021-08-21)

Depends on:
cl3 = { version = "0.4.2", default-features = false }

New Features

  • Issue #30 opencl3 cannot be compiled with OpenCl 1.2 features only.

Version 0.4.0 (2021-08-20)

Depends on cl3 = "0.4.2".

Breaking Changes

  • Issue #26 Should CommandQueue.html::enqueue_write_buffer take a mutable buffer reference.
  • PR #27 Make mutability explicit.

New Features

  • Issue #25 Using set_event_callback.

Version 0.3.1 (2021-08-06)

Depends on cl3 = "0.4.1".

New Features

  • Add Device method for cl_khr_integer_dot_product extension.

Version 0.3.0 (2021-07-10)

Breaking Changes

  • Issue #21 Device::available() should return a boolean.
  • PR #22 Return booleans for device information where applicable.
  • Issue #24 Use bool instead of cl_bool.
  • Use CL_BLOCKING and CL_NON_BLOCKING in enqueue calls.

Version 0.2.4 (2021-07-03)

New Features

  • Issue #18 Return UUID as array.
  • PR #19 Export sizes of UUID and LUID.

Bug fixes

  • Issue #20 Restore c_void to program.rs.

Version 0.2.3 (2021-05-30)

Depends on cl3 = "0.4.0".

New Features

  • Issue #15 It's safe to implement Send for most of the types.
  • PR #16 Implement Send for most of the types.
  • PR #17 Implement Send for some of the types.

Version 0.2.2 (2021-05-22)

Depends on cl3 = "0.3.1".

New Features

  • Issue #13 Higher level create_sub_buffer call.
  • Issue #14 Adding Debug derives.
  • Add OpenCL cl_ext.h functions.
  • Add Direct3D extension methods.
  • Add feature cl_apple_setmemobjectdestructor for cl3.

Version 0.2.1 (2021-05-16)

Depends on cl3 = "0.3".

New Features

  • Add extension device_info values.
  • Add OpenGL extension functions.
  • Add OpenGL ES extension functions.

Version 0.2.0 (2021-04-18)

Depends on cl3 = "0.2".

Breaking Changes

  • Issue #10 Change the API to use String instead of ffi::CString.
  • Change set_wait_event to take Event reference.

New Features

  • Issue #9 Support running multiple instances of the same kernel simultaneously.
  • Issue #12 Improve OpenCL error handling.
  • Add from_device_type method for Context.
  • Add ClMem trait object.
  • Add CommandExecutionStatus and EventCommandType.

Version 0.1.4 (2021-03-26)

Changes

  • PR #4 Implement Clone for CommandQueue
  • Issue #5 Consider replacing unwrap with expect for error handling.
  • PR #6 Make types Send and Sync where applicable.
  • PR #7 Implement Clone for most of the types.
  • Issue #8 Retrieving a program build log might be impossible.
  • PR #10 Replace calls to to_str with to_string for issue #10.

Version 0.1.3 (2021-01-16)

Changes

  • PR #1 Add Buffer type field as PhantomData.
  • Issue #2 Consider adding PhantomData to Image and Pipe memory objects.
  • PR #3 Remove Buffer cast method.
  • Remove unnecessary templates from methods.

Version 0.1.2 (2021-01-12)

Changes

  • Remove event_wait_list from the enqueue_nd_range method.
  • Add wait method to event.
  • Add opencl2_kernel_test.rs.
  • Add example to README.
  • Don't raise error in integration_test if device is not SVM capable

Version 0.1.1 (2021-01-04)

Bug fixes

  • Fix build on OpenCL 2.0 ICD.
  • Fix integration tests on Intel Skylake.
  • Get the max_work_item_dimensions from the device CommandQueue.

Version 0.1.0 (2020-12-31)

Depends on cl3 = "0.1".

Features

  • OpenCL objects implemented by Rust structs that manage their resources by implementing the Drop trait to perform RAII, e.g. Context, Program, CommandQueue, etc.
  • safe Rust functions that call OpenCL C API functions and return Rust Result types.
  • A Vec implemented using OpenCL Shared Virtual Memory (SVM), see svm.