129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_TEST_QUIRKS_HPP
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#define BOOST_COMPUTE_TEST_QUIRKS_HPP
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#include <boost/compute/device.hpp>
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#include <boost/compute/platform.hpp>
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#include <boost/compute/detail/vendor.hpp>
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// this file contains functions which check for 'quirks' or buggy
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// behavior in OpenCL implementations. this allows us to skip certain
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// tests when running on buggy platforms.
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// returns true if the device is a POCL device
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inline bool is_pocl_device(const boost::compute::device &device)
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{
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return device.platform().name() == "Portable Computing Language";
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}
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// returns true if the device is from Apple OpenCL platform
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inline bool is_apple_device(const boost::compute::device &device)
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{
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return device.platform().name() == "Apple";
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}
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// AMD platforms have a bug when using struct assignment. this affects
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// algorithms like fill() when used with pairs/tuples.
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//
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// see: https://community.amd.com/thread/166622
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inline bool bug_in_struct_assignment(const boost::compute::device &device)
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{
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return boost::compute::detail::is_amd_device(device);
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}
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// clEnqueueSVMMemcpy() operation does not work on AMD devices. This affects
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// copy() algorithm. This bug was fixed in AMD drivers for Windows.
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//
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// see: https://community.amd.com/thread/190585
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inline bool bug_in_svmmemcpy(const boost::compute::device &device)
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{
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#ifdef _WIN32
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return false;
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#else
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return boost::compute::detail::is_amd_device(device);
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#endif
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}
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// For CPU devices on Apple platform local memory can not be used when work
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// group size is not [1;1;1]. If work group size is greater "Invalid Work Group
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// Size" error is thrown. (Apple OpenCL implementation can sometimes reduce
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// max work group size for other reasons.)
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// When local memory is not used max work group size for CPU devices on Apple
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// platform should be [1024;1;1].
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inline bool is_apple_cpu_device(const boost::compute::device &device)
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{
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return is_apple_device(device) && (device.type() & ::boost::compute::device::cpu);
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}
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// On Apple devices clCreateBuffer does not return NULL and does no set error
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// to CL_INVALID_BUFFER_SIZE when size of the buffer memory object is greater
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// than CL_DEVICE_MAX_MEM_ALLOC_SIZE.
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inline bool bug_in_clcreatebuffer(const boost::compute::device &device)
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{
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return is_apple_device(device);
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}
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// returns true if the device supports image samplers.
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inline bool supports_image_samplers(const boost::compute::device &device)
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{
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// POCL does not yet support image samplers and gives the following
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// error when attempting to create one:
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//
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// pocl error: encountered unimplemented part of the OpenCL specs
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// in clCreateSampler.c:28
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if(is_pocl_device(device)){
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return false;
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}
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return true;
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}
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// returns true if the device has remquo() built-in OpenCL function implementation
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inline bool has_remquo_func(const boost::compute::device &device)
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{
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// POCL does not have it
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if(is_pocl_device(device)){
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return false;
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}
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return true;
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}
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// returns true if the device supports clSetMemObjectDestructorCallback
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inline bool supports_destructor_callback(const boost::compute::device &device)
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{
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// unimplemented in POCL
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return !is_pocl_device(device);
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}
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// returns true if the device supports clCompileProgram
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inline bool supports_compile_program(const boost::compute::device &device)
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{
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// unimplemented in POCL
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return !is_pocl_device(device);
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}
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// returns true if the device supports clLinkProgram
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inline bool supports_link_program(const boost::compute::device &device)
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{
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// unimplemented in POCL
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return !is_pocl_device(device);
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}
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// See https://github.com/pocl/pocl/issues/577, POCL fails when a program
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// with incorrect code is built for the 2nd time
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inline bool pocl_bug_issue_577(const boost::compute::device &device)
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{
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return is_pocl_device(device);
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}
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#endif // BOOST_COMPUTE_TEST_QUIRKS_HPP
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