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