本文整理汇总了C++中command_queue::enqueue_fill_buffer方法的典型用法代码示例。如果您正苦于以下问题：C++ command_queue::enqueue_fill_buffer方法的具体用法？C++ command_queue::enqueue_fill_buffer怎么用？C++ command_queue::enqueue_fill_buffer使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类command_queue的用法示例。
在下文中一共展示了command_queue::enqueue_fill_buffer方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: fill_async_with_copy
inline future<void>
dispatch_fill_async(BufferIterator first,
size_t count,
const T &value,
command_queue &queue,
typename boost::enable_if<
is_valid_fill_buffer_iterator<BufferIterator>
>::type* = 0)
{
typedef typename std::iterator_traits<BufferIterator>::value_type value_type;
// check if the device supports OpenCL 1.2 (required for enqueue_fill_buffer)
if(!queue.check_device_version(1, 2)){
return fill_async_with_copy(first, count, value, queue);
}
value_type pattern = static_cast<value_type>(value);
size_t offset = static_cast<size_t>(first.get_index());
event event_ =
queue.enqueue_fill_buffer(first.get_buffer(),
&pattern,
sizeof(value_type),
offset * sizeof(value_type),
count * sizeof(value_type));
return future<void>(event_);
}示例2: fill_with_copy
inline void
dispatch_fill(BufferIterator first,
size_t count,
const T &value,
command_queue &queue,
typename boost::enable_if<
is_valid_fill_buffer_iterator<BufferIterator>
>::type* = 0)
{
typedef typename std::iterator_traits<BufferIterator>::value_type value_type;
if(count == 0){
// nothing to do
return;
}
// check if the device supports OpenCL 1.2 (required for enqueue_fill_buffer)
if(!queue.check_device_version(1, 2)){
return fill_with_copy(first, count, value, queue);
}
value_type pattern = static_cast<value_type>(value);
size_t offset = static_cast<size_t>(first.get_index());
if(count == 1){
// use clEnqueueWriteBuffer() directly when writing a single value
// to the device buffer. this is potentially more efficient and also
// works around a bug in the intel opencl driver.
queue.enqueue_write_buffer(
first.get_buffer(),
offset * sizeof(value_type),
sizeof(value_type),
&pattern
);
}
else {
queue.enqueue_fill_buffer(
first.get_buffer(),
&pattern,
sizeof(value_type),
offset * sizeof(value_type),
count * sizeof(value_type)
);
}
}示例3: dispatch_fill
void dispatch_fill(BufferIterator first,
size_t count,
const T &value,
command_queue &queue,
typename boost::enable_if_c<
is_buffer_iterator<BufferIterator>::value
>::type* = 0)
{
typedef typename std::iterator_traits<BufferIterator>::value_type value_type;
value_type pattern = static_cast<value_type>(value);
size_t offset = static_cast<size_t>(first.get_index());
queue.enqueue_fill_buffer(first.get_buffer(),
&pattern,
sizeof(value_type),
offset * sizeof(value_type),
count * sizeof(value_type));
}示例4: sizeof
inline future<void>
dispatch_fill_async(BufferIterator first,
size_t count,
const T &value,
command_queue &queue,
typename boost::enable_if<
is_valid_fill_buffer_iterator<BufferIterator>
>::type* = 0)
{
typedef typename std::iterator_traits<BufferIterator>::value_type value_type;
value_type pattern = static_cast<value_type>(value);
size_t offset = static_cast<size_t>(first.get_index());
event event_ =
queue.enqueue_fill_buffer(first.get_buffer(),
&pattern,
sizeof(value_type),
offset * sizeof(value_type),
count * sizeof(value_type));
return future<void>(event_);
}