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51 lines
1.5 KiB
Markdown
51 lines
1.5 KiB
Markdown
# OpenCL<sup>TM</sup> API Headers
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This repository contains C language headers for the OpenCL API.
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The authoritative public repository for these headers is located at:
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https://github.com/KhronosGroup/OpenCL-Headers
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Issues, proposed fixes for issues, and other suggested changes should be
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created using Github.
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## Branch Structure
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The OpenCL API headers in this repository are Unified headers and are designed
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to work with all released OpenCL versions. This differs from previous OpenCL
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API headers, where version-specific API headers either existed in separate
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branches, or in separate folders in a branch.
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## Compiling for a Specific OpenCL Version
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By default, the OpenCL API headers in this repository are for the latest
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OpenCL version (currently OpenCL 2.2). To use these API headers to target
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a different OpenCL version, an application may `#define` the preprocessor
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value `CL_TARGET_OPENCL_VERSION` before including the OpenCL API headers.
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The `CL_TARGET_OPENCL_VERSION` is a three digit decimal value representing
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the OpenCL API version.
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For example, to enforce usage of no more than the OpenCL 1.2 APIs, you may
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include the OpenCL API headers as follows:
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```
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#define CL_TARGET_OPENCL_VERSION 120
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#include <CL/opencl.h>
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```
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## Directory Structure
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```
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README.md This file
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LICENSE Source license for the OpenCL API headers
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CL/ Unified OpenCL API headers tree
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```
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## License
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See [LICENSE](LICENSE).
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---
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OpenCL and the OpenCL logo are trademarks of Apple Inc. used by permission by Khronos.
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