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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.
//---------------------------------------------------------------------------//
#define BOOST_TEST_MODULE TestBuffer
#include <boost/test/unit_test.hpp>
#include <boost/compute/buffer.hpp>
#include <boost/compute/system.hpp>
#include <boost/bind.hpp>
#ifdef BOOST_COMPUTE_USE_CPP11
#include <mutex>
#include <future>
#endif // BOOST_COMPUTE_USE_CPP11
#include "quirks.hpp"
#include "context_setup.hpp"
namespace bc = boost::compute;
BOOST_AUTO_TEST_CASE(size)
{
bc::buffer buffer(context, 100);
BOOST_CHECK_EQUAL(buffer.size(), size_t(100));
BOOST_VERIFY(buffer.max_size() > buffer.size());
}
BOOST_AUTO_TEST_CASE(cl_context)
{
bc::buffer buffer(context, 100);
BOOST_VERIFY(buffer.get_context() == context);
}
BOOST_AUTO_TEST_CASE(equality_operator)
{
bc::buffer a(context, 10);
bc::buffer b(context, 10);
BOOST_VERIFY(a == a);
BOOST_VERIFY(b == b);
BOOST_VERIFY(!(a == b));
BOOST_VERIFY(a != b);
a = b;
BOOST_VERIFY(a == b);
BOOST_VERIFY(!(a != b));
}
BOOST_AUTO_TEST_CASE(construct_from_cl_mem)
{
// create cl_mem
cl_mem mem = clCreateBuffer(context, CL_MEM_READ_WRITE, 16, 0, 0);
BOOST_VERIFY(mem);
// create boost::compute::buffer
boost::compute::buffer buffer(mem);
// check buffer
BOOST_CHECK(buffer.get() == mem);
BOOST_CHECK(buffer.get_context() == context);
BOOST_CHECK_EQUAL(buffer.size(), size_t(16));
// cleanup cl_mem
clReleaseMemObject(mem);
}
BOOST_AUTO_TEST_CASE(reference_count)
{
using boost::compute::uint_;
boost::compute::buffer buf(context, 16);
BOOST_CHECK_GE(buf.reference_count(), uint_(1));
}
BOOST_AUTO_TEST_CASE(get_size)
{
boost::compute::buffer buf(context, 16);
BOOST_CHECK_EQUAL(buf.size(), size_t(16));
BOOST_CHECK_EQUAL(buf.get_info<CL_MEM_SIZE>(), size_t(16));
BOOST_CHECK_EQUAL(buf.get_info<size_t>(CL_MEM_SIZE), size_t(16));
}
#ifndef BOOST_COMPUTE_NO_RVALUE_REFERENCES
BOOST_AUTO_TEST_CASE(move_constructor)
{
boost::compute::buffer buffer1(context, 16);
BOOST_CHECK(buffer1.get() != 0);
BOOST_CHECK_EQUAL(buffer1.size(), size_t(16));
boost::compute::buffer buffer2(std::move(buffer1));
BOOST_CHECK(buffer1.get() == 0);
BOOST_CHECK(buffer2.get() != 0);
BOOST_CHECK_EQUAL(buffer2.size(), size_t(16));
}
#endif // BOOST_COMPUTE_NO_RVALUE_REFERENCES
BOOST_AUTO_TEST_CASE(clone_buffer)
{
boost::compute::buffer buffer1(context, 16);
boost::compute::buffer buffer2 = buffer1.clone(queue);
BOOST_CHECK(buffer1.get() != buffer2.get());
BOOST_CHECK_EQUAL(buffer1.size(), buffer2.size());
BOOST_CHECK(buffer1.get_memory_flags() == buffer2.get_memory_flags());
}
#ifdef BOOST_COMPUTE_CL_VERSION_1_1
#ifdef BOOST_COMPUTE_USE_CPP11
std::mutex callback_mutex;
std::condition_variable callback_condition_variable;
static void BOOST_COMPUTE_CL_CALLBACK
destructor_callback_function(cl_mem, void *user_data)
{
std::lock_guard<std::mutex> lock(callback_mutex);
bool *flag = static_cast<bool *>(user_data);
*flag = true;
callback_condition_variable.notify_one();
}
BOOST_AUTO_TEST_CASE(destructor_callback)
{
REQUIRES_OPENCL_VERSION(1,2);
if(!supports_destructor_callback(device))
{
return;
}
bool invoked = false;
{
boost::compute::buffer buf(context, 128);
buf.set_destructor_callback(destructor_callback_function, &invoked);
}
std::unique_lock<std::mutex> lock(callback_mutex);
callback_condition_variable.wait_for(
lock, std::chrono::seconds(1), [&](){ return invoked; }
);
BOOST_CHECK(invoked == true);
}
static void BOOST_COMPUTE_CL_CALLBACK
destructor_templated_callback_function(bool *flag)
{
std::lock_guard<std::mutex> lock(callback_mutex);
*flag = true;
callback_condition_variable.notify_one();
}
BOOST_AUTO_TEST_CASE(destructor_templated_callback)
{
REQUIRES_OPENCL_VERSION(1,2);
if(!supports_destructor_callback(device))
{
return;
}
bool invoked = false;
{
boost::compute::buffer buf(context, 128);
buf.set_destructor_callback(boost::bind(destructor_templated_callback_function, &invoked));
}
std::unique_lock<std::mutex> lock(callback_mutex);
callback_condition_variable.wait_for(
lock, std::chrono::seconds(1), [&](){ return invoked; }
);
BOOST_CHECK(invoked == true);
}
#endif // BOOST_COMPUTE_USE_CPP11
BOOST_AUTO_TEST_CASE(create_subbuffer)
{
REQUIRES_OPENCL_VERSION(1, 1);
size_t base_addr_align = device.get_info<CL_DEVICE_MEM_BASE_ADDR_ALIGN>() / 8;
size_t multiplier = 16;
size_t buffer_size = base_addr_align * multiplier;
size_t subbuffer_size = 64;
boost::compute::buffer buffer(context, buffer_size);
for(size_t i = 0; i < multiplier; ++i)
{
boost::compute::buffer subbuffer = buffer.create_subbuffer(
boost::compute::buffer::read_write, base_addr_align * i, subbuffer_size);
BOOST_CHECK(buffer.get() != subbuffer.get());
BOOST_CHECK_EQUAL(subbuffer.size(), subbuffer_size);
}
}
#endif // BOOST_COMPUTE_CL_VERSION_1_1
BOOST_AUTO_TEST_CASE(create_buffer_doctest)
{
//! [constructor]
boost::compute::buffer buf(context, 32 * sizeof(float));
//! [constructor]
BOOST_CHECK_EQUAL(buf.size(), 32 * sizeof(float));
}
BOOST_AUTO_TEST_SUITE_END()
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