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OpenCL/OpenGL ES interop on Android

Alexander Krolik

Hi,

I'm having trouble creating an OpenCL context from an OpenGL ES context on an Odroid XU3 running Android 4.4.4. The following code works fine on other non-ARM graphics hardware, but on the Mali chip the call to clCreateContextFromType fails with the error: "CL_INVALID_GL_SHAREGROUP_REFERENCE_KHR (-1000)"

cl_context_properties contextProps[] = {

  CL_CONTEXT_PLATFORM, cl_context_properties(m_platform),

  CL_GL_CONTEXT_KHR, (cl_context_properties)eglGetCurrentContext(),

  CL_EGL_DISPLAY_KHR, (cl_context_properties)eglGetCurrentDisplay(),

  0

};

clCreateContextFromType(contextProps, CL_DEVICE_TYPE_GPU, 0, &err);

We have checked the m_platform variable and the value is the correct platform id. Are there any special/additional steps in order to create the context, or is OpenCL/OpenGL interop not fully supported at this time on Android?

Thanks,

-Alex

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