wrap_cl.hpp

#ifndef _AFJHAYYTA_PYOPENCL_HEADER_SEEN_WRAP_CL_HPP
#define _AFJHAYYTA_PYOPENCL_HEADER_SEEN_WRAP_CL_HPP

// CL 1.2 undecided:
// clSetPrintfCallback

// {{{ includes

#define CL_USE_DEPRECATED_OPENCL_1_1_APIS
// #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION

#ifdef __APPLE__

// Mac ------------------------------------------------------------------------
#include <OpenCL/opencl.h>
#ifdef HAVE_GL

#define PYOPENCL_GL_SHARING_VERSION 1

#include <OpenGL/OpenGL.h>
#include <OpenCL/cl_gl.h>
#include <OpenCL/cl_gl_ext.h>
#endif

#else

// elsewhere ------------------------------------------------------------------
#define CL_TARGET_OPENCL_VERSION 220

#include <CL/cl.h>
#include "pyopencl_ext.h"

#if defined(_WIN32)
#define NOMINMAX
#include <windows.h>
#endif

#ifdef HAVE_GL
#include <GL/gl.h>
#include <CL/cl_gl.h>
#endif

#if defined(cl_khr_gl_sharing) && (cl_khr_gl_sharing >= 1)
#define PYOPENCL_GL_SHARING_VERSION cl_khr_gl_sharing
#endif

#endif

#include <stdexcept>
#include <iostream>
#include <vector>
#include <utility>
#include <numeric>
#include "wrap_helpers.hpp"
#include "numpy_init.hpp"
#include "tools.hpp"

#ifdef PYOPENCL_PRETEND_CL_VERSION
#define PYOPENCL_CL_VERSION PYOPENCL_PRETEND_CL_VERSION
#else

#if defined(CL_VERSION_1_2)
#define PYOPENCL_CL_VERSION 0x1020
#elif defined(CL_VERSION_1_1)
#define PYOPENCL_CL_VERSION 0x1010
#else
#define PYOPENCL_CL_VERSION 0x1000
#endif

#endif


#if PY_VERSION_HEX >= 0x03000000
#define PYOPENCL_USE_NEW_BUFFER_INTERFACE
#define PYOPENCL_STD_MOVE_IF_NEW_BUF_INTF(s) std::move(s)
#else
#define PYOPENCL_STD_MOVE_IF_NEW_BUF_INTF(s) (s)
#endif



// }}}





// {{{ tools
#if PY_VERSION_HEX >= 0x02050000
  typedef Py_ssize_t PYOPENCL_BUFFER_SIZE_T;
#else
  typedef int PYOPENCL_BUFFER_SIZE_T;
#endif

#define PYOPENCL_CAST_BOOL(B) ((B) ? CL_TRUE : CL_FALSE)





#define PYOPENCL_DEPRECATED(WHAT, KILL_VERSION, EXTRA_MSG) \
  { \
    PyErr_Warn( \
        PyExc_DeprecationWarning, \
        WHAT " is deprecated and will stop working in PyOpenCL " KILL_VERSION". " \
        EXTRA_MSG); \
  }

#if PYOPENCL_CL_VERSION >= 0x1020

#define PYOPENCL_GET_EXT_FUN(PLATFORM, NAME, VAR) \
    NAME##_fn VAR \
      = (NAME##_fn) \
      clGetExtensionFunctionAddressForPlatform(PLATFORM, #NAME); \
    \
    if (!VAR) \
      throw error(#NAME, CL_INVALID_VALUE, #NAME \
          "not available");

#else

#define PYOPENCL_GET_EXT_FUN(PLATFORM, NAME, VAR) \
    NAME##_fn VAR \
      = (NAME##_fn) \
      clGetExtensionFunctionAddress(#NAME); \
    \
    if (!VAR) \
      throw error(#NAME, CL_INVALID_VALUE, #NAME \
          "not available");

#endif


#define PYOPENCL_PARSE_PY_DEVICES \
    std::vector<cl_device_id> devices_vec; \
    cl_uint num_devices; \
    cl_device_id *devices; \
    \
    if (py_devices.ptr() == Py_None) \
    { \
      num_devices = 0; \
      devices = 0; \
    } \
    else \
    { \
      PYTHON_FOREACH(py_dev, py_devices) \
        devices_vec.push_back( \
            (py_dev).cast<device &>().data()); \
      num_devices = devices_vec.size(); \
      devices = devices_vec.empty( ) ? NULL : &devices_vec.front(); \
    } \


#define PYOPENCL_RETRY_RETURN_IF_MEM_ERROR(OPERATION) \
    try \
    { \
      OPERATION \
    } \
    catch (pyopencl::error &e) \
    { \
      if (!e.is_out_of_memory()) \
        throw; \
    } \
    \
    /* If we get here, we got an error from CL.
     * We should run the Python GC to try and free up
     * some memory references. */ \
    run_python_gc(); \
    \
    /* Now retry the allocation. If it fails again,
     * let it fail. */ \
    { \
      OPERATION \
    }




#define PYOPENCL_RETRY_IF_MEM_ERROR(OPERATION) \
  { \
    bool failed_with_mem_error = false; \
    try \
    { \
      OPERATION \
    } \
    catch (pyopencl::error &e) \
    { \
      failed_with_mem_error = true; \
      if (!e.is_out_of_memory()) \
        throw; \
    } \
    \
    if (failed_with_mem_error) \
    { \
      /* If we get here, we got an error from CL.
       * We should run the Python GC to try and free up
       * some memory references. */ \
      run_python_gc(); \
      \
      /* Now retry the allocation. If it fails again,