[Mesa-dev] [Bug 109334] OpenGL-OpenCL interop support

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109334

            Bug ID: 109334
           Summary: OpenGL-OpenCL interop support
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Gallium/StateTracker/Clover
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: yalterz at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

OpenGL-OpenCL interop, which as far as I understand is governed by the
cl_khr_gl_sharing [1, 2] extension, allows applications to use OpenGL buffer,
texture and renderbuffer objects as OpenCL memory objects.

I use it in a video capturing utility to perform OpenCL-accelerated color
conversions of OpenGL textures. Looks like it's not supported by Mesa's OpenCL
implementation.

I'm not at all familiar with the Mesa codebase so I'm not sure how much effort
supporting this would require.

[1]:
https://www.khronos.org/registry/OpenCL/extensions/khr/cl_khr_gl_sharing.txt
[2]:
https://www.khronos.org/registry/OpenCL/sdk/1.2/docs/man/xhtml/cl_khr_gl_sharing.html

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