timestamp_query::timestamp_query(device const& dvc, dx12u::cmd_queue const& q, int gpu_ordinal, std::size_t max_num_query) : num_query(max_num_query)
{
if (!dvc.Get())
{
throw error{ "null device" };
}
std::uint32_t gpu_mask = gpu_ordinal < 0 ? 1 : (1u << static_cast<std::uint32_t>(gpu_ordinal));
// alloc query buffer
size_t buf_aligned_sz = (num_query * sizeof(std::uint64_t) + 4095) & ~4095; // page aligned
auto heap_read_back = CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_READBACK, gpu_mask, gpu_mask);
auto buffer_desc = CD3DX12_RESOURCE_DESC::Buffer(buf_aligned_sz);
auto r = dvc->CreateCommittedResource(&heap_read_back, D3D12_HEAP_FLAG_NONE,
&buffer_desc, D3D12_RESOURCE_STATE_COPY_DEST, nullptr, IID_PPV_ARGS(&buffer));
dx12u::throw_if_error(r, "timestamp resource creation failure");
// query heap
D3D12_QUERY_HEAP_DESC heap_desc{};
heap_desc.Type = D3D12_QUERY_HEAP_TYPE_TIMESTAMP;
heap_desc.Count = static_cast<std::uint32_t>(num_query);
heap_desc.NodeMask = gpu_mask;
r = dvc->CreateQueryHeap(&heap_desc, IID_PPV_ARGS(&qh));
dx12u::throw_if_error(r, "timestamp query heap creation failure");
// clock frequency
dvc->SetStablePowerState(true);
q.get_com_ptr()->GetTimestampFrequency(&clock_freq);
}
ibuffer::ibuffer(const device &device, const vk::BufferUsageFlags flags, const void *data, const size_t size)
: device_(device), size_(size)
{
handle_ = device.create_buffer(
vk::BufferCreateInfo()
.size(static_cast<vk::DeviceSize>(size))
.usage(flags));
gpumem_ = gpu_memory(
device,
device.get_buffer_memory_requirements(handle_),
vk::MemoryPropertyFlagBits::eHostVisible,
data);
device.bind_buffer_memory(handle_, gpumem_.handle(), 0);
}
device default_device()
{
static device dev;
if (!dev.id())
{
platform pl = default_platform();
std::vector<device> devices = pl.devices(device::accelerator);
if (devices.size()) dev = devices[0];
else // no accelerators found, try all
{
std::vector<device> devices = pl.devices(device::all);
if (devices.size()) dev = devices[0];
else OVXX_DO_THROW(std::runtime_error("No OpenCL devices found."));
}
}
return dev;
}
descriptor_set_layout::descriptor_set_layout(const device &device, const vector<vk::DescriptorSetLayoutBinding> &bindings) :
device_(device)
{
handle_ = device.create_descriptor_set_layout(
vk::DescriptorSetLayoutCreateInfo()
.bindingCount(static_cast<uint32_t>(bindings.size()))
.pBindings(bindings.data()));
}
context(device const &d, cl_context_properties *props = 0)
{
OVXX_PRECONDITION(d.id() != 0);
cl_device_id id = d.id();
cl_int status;
impl_ = clCreateContext(props, 1, &id, context::callback, this, &status);
if (status < 0)
OVXX_DO_THROW(exception("clCreateContext", status));
}
static boost::shared_ptr<parameter_cache> get_global_cache(const device &device)
{
// device name -> parameter cache
typedef std::map<std::string, boost::shared_ptr<parameter_cache> > cache_map;
BOOST_COMPUTE_DETAIL_GLOBAL_STATIC(cache_map, caches, ((std::less<std::string>())));
cache_map::iterator iter = caches.find(device.name());
if(iter == caches.end()){
boost::shared_ptr<parameter_cache> cache =
boost::make_shared<parameter_cache>(device);
caches.insert(iter, std::make_pair(device.name(), cache));
return cache;
}
else {
return iter->second;
}
}
genericKeyboard(cpu* host, device* keyboardProvider=NULL) {
this->host = host;
this->keyboardProvider = keyboardProvider;
host->addHardware(this);
reset();
if (keyboardProvider == NULL)
std::cout << "Warning: Keyboard has no display to attach to. Keyboard will still connect to dcpu16, but will be disabled." << std::endl;
else
keyboardProvider->registerKeyHandler(this);
}
parameter_cache(const device &device)
: m_dirty(false),
m_device_name(device.name())
{
#ifdef BOOST_COMPUTE_USE_OFFLINE_CACHE
// get offline cache file name (e.g. /home/user/.boost_compute/tune/device.json)
m_file_name = make_file_name();
// load parameters from offline cache file (if it exists)
if(boost::filesystem::exists(m_file_name)){
read_from_disk();
}
#endif // BOOST_COMPUTE_USE_OFFLINE_CACHE
}
T get_work_group_info(const device &device, cl_kernel_work_group_info info)
{
T value;
cl_int ret = clGetKernelWorkGroupInfo(m_kernel,
device.id(),
info,
sizeof(T),
&value,
0);
if(ret != CL_SUCCESS){
BOOST_THROW_EXCEPTION(runtime_exception(ret));
}
return value;
}
descriptor_pool::descriptor_pool(const device &device) :
device_(device)
{
vector<vk::DescriptorPoolSize> poolSizes = {
vk::DescriptorPoolSize()
.type(vk::DescriptorType::eUniformBuffer)
.descriptorCount(1),
vk::DescriptorPoolSize()
.type(vk::DescriptorType::eCombinedImageSampler)
.descriptorCount(1)
};
handle_ = device.create_descriptor_pool(
vk::DescriptorPoolCreateInfo()
.poolSizeCount(static_cast<uint32_t>(poolSizes.size()))
.pPoolSizes(poolSizes.data())
.maxSets(1));
}
void set_pu_control(device & device, int subdevice, rs_option option, int value)
{
auto handle = device.get_subdevice(subdevice).handle;
int ct_unit = 0, pu_unit = 0;
for(auto ct = uvc_get_input_terminals(handle); ct; ct = ct->next) ct_unit = ct->bTerminalID; // todo - Check supported caps
for(auto pu = uvc_get_processing_units(handle); pu; pu = pu->next) pu_unit = pu->bUnitID; // todo - Check supported caps
switch(option)
{
case RS_OPTION_COLOR_BACKLIGHT_COMPENSATION: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_BACKLIGHT_COMPENSATION_CONTROL, value);
case RS_OPTION_COLOR_BRIGHTNESS: return set_pu<int16_t>(handle, subdevice, pu_unit, UVC_PU_BRIGHTNESS_CONTROL, value);
case RS_OPTION_COLOR_CONTRAST: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_CONTRAST_CONTROL, value);
case RS_OPTION_COLOR_EXPOSURE: return set_pu<uint32_t>(handle, subdevice, ct_unit, UVC_CT_EXPOSURE_TIME_ABSOLUTE_CONTROL, value);
case RS_OPTION_COLOR_GAIN: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_GAIN_CONTROL, value);
case RS_OPTION_COLOR_GAMMA: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_GAMMA_CONTROL, value);
case RS_OPTION_COLOR_HUE: return; // set_pu<int16_t>(handle, subdevice, pu_unit, UVC_PU_HUE_CONTROL, value); // Causes LIBUSB_ERROR_PIPE, may be related to not being able to set UVC_PU_HUE_AUTO_CONTROL
case RS_OPTION_COLOR_SATURATION: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_SATURATION_CONTROL, value);
case RS_OPTION_COLOR_SHARPNESS: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_SHARPNESS_CONTROL, value);
case RS_OPTION_COLOR_WHITE_BALANCE: return set_pu<uint16_t>(handle, subdevice, pu_unit, UVC_PU_WHITE_BALANCE_TEMPERATURE_CONTROL, value);
case RS_OPTION_COLOR_ENABLE_AUTO_EXPOSURE: return set_pu<uint8_t>(handle, subdevice, ct_unit, UVC_CT_AE_MODE_CONTROL, value ? 2 : 1); // Modes - (1: manual) (2: auto) (4: shutter priority) (8: aperture priority)
case RS_OPTION_COLOR_ENABLE_AUTO_WHITE_BALANCE: return set_pu<uint8_t>(handle, subdevice, pu_unit, UVC_PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL, value);
default: throw std::logic_error("invalid option");
}
}
/**
* Draw the enlarged schema. This methods can only
* be called after the block have been placed
*/
void decorateSchema::draw(device& dev)
{
assert(placed());
fSchema->draw(dev);
#if 0
// draw enlarge input wires
for (unsigned int i=0; i<inputs(); i++) {
point p = inputPoint(i);
point q = fSchema->inputPoint(i);
dev.trait(p.x, p.y, q.x, q.y);
}
// draw enlarge output wires
for (unsigned int i=0; i<outputs(); i++) {
point p = outputPoint(i);
point q = fSchema->outputPoint(i);
dev.trait(p.x, p.y, q.x, q.y);
}
#endif
// define the coordinates of the frame
double tw = (2+fText.size())*dLetter*0.75;
double x0 = x() + fMargin/2; // left
double y0 = y() + fMargin/2; // top
double x1 = x() + width() - fMargin/2; // right
double y1 = y() + height() - fMargin/2; // bottom
//double tl = x0 + 2*dWire; // left of text zone
double tl = x() + fMargin; // left of text zone
double tr = min(tl+tw, x1); // right of text zone
// draw the surronding frame
dev.dasharray(x0, y0, x0, y1); // left line
dev.dasharray(x0, y1, x1, y1); // bottom line
dev.dasharray(x1, y1, x1, y0); // right line
dev.dasharray(x0, y0, tl, y0); // top segment before text
dev.dasharray(tr, y0, x1, y0); // top segment after text
// draw the label
dev.label(tl, y0, fText.c_str()); //
}
void set_control(device & device, const extension_unit & xu, uint8_t ctrl, void * data, int len)
{
int status = uvc_set_ctrl(device.get_subdevice(xu.subdevice).handle, xu.unit, ctrl, data, len);
if(status < 0) throw std::runtime_error(to_string() << "uvc_set_ctrl(...) returned " << libusb_error_name(status));
}
void set_subdevice_mode(device & device, int subdevice_index, int width, int height, uint32_t fourcc, int fps, std::function<void(const void * frame)> callback)
{
auto & sub = device.get_subdevice(subdevice_index);
check("get_stream_ctrl_format_size", uvc_get_stream_ctrl_format_size(sub.handle, &sub.ctrl, reinterpret_cast<const big_endian<uint32_t> &>(fourcc), width, height, fps));
sub.callback = callback;
}
text_2d::text_2d(device const& dev, std::size_t max_str_size, std::size_t max_num_str, std::size_t max_buffered_frame, bool enable_filtering)
: max_word_sz(max_str_size), max_num_word(max_num_str)
{
assert(max_str_size > 0 && max_num_str > 0 && max_buffered_frame > 0);
if (dev.Get() == nullptr)
{
throw error{ "null device" };
}
words.resize(max_buffered_frame);
size_t const num_cb = max_num_str * max_buffered_frame;
size_t const num_tex = 1; // 1 text texture
srd_heap = dx12u::descriptor_heap{ dev.Get(), D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, num_cb + num_tex };
auto cb_sz = get_cb_size(max_str_size);
auto cb_total_sz = get_cb_size(max_str_size) * num_cb;
// alloc and upload texture
{
auto font_data = load_font_texture();
gu::mip_lvl_texture_view mip_view{};
mip_view.width = global::font_texture_width;
mip_view.height = global::font_texture_height;
mip_view.pitch = mip_view.width;
mip_view.slice_sz = font_data.size();
mip_view.data = font_data.data();
gu::texture_view tex_view{};
tex_view.bpp = 1;
tex_view.num_lvl = 1;
tex_view.mip = &mip_view;
dx12u::cmd_queue q{ dev };
dx12u::cmd_allocator allocator{ dev };
dx12u::gfx_cmd_list cl = allocator.alloc();
auto tex = dx12u::make_texture(dev, cl, tex_view, false, false, DXGI_FORMAT_R8_UNORM);
cl->Close();
q.push(cl);
q.sync();
font_texture = tex.texture_rsrc;
dev->CreateShaderResourceView(font_texture.Get(), &tex.srv_desc, srd_heap.get_cpu_handle(0));
}
// alloc cb_mem
{
auto upload_heap = CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD);
auto buffer_desc = CD3DX12_RESOURCE_DESC::Buffer(cb_total_sz);
auto r = dev->CreateCommittedResource(&upload_heap, D3D12_HEAP_FLAG_NONE,
&buffer_desc, D3D12_RESOURCE_STATE_GENERIC_READ, nullptr, IID_PPV_ARGS(&cb_mem));
dx12u::throw_if_error(r);
for (size_t i = 0; i < num_cb; ++i)
{
// sh_mask_cb views
D3D12_CONSTANT_BUFFER_VIEW_DESC cbv_desc = {};
cbv_desc.SizeInBytes = static_cast<uint32_t>(cb_sz);
cbv_desc.BufferLocation = cb_mem->GetGPUVirtualAddress() + i * cb_sz;
dev->CreateConstantBufferView(&cbv_desc, srd_heap.get_cpu_handle(num_tex + i));
}
r = cb_mem->Map(0, nullptr, reinterpret_cast<void**>(&cb_ptr));
dx12u::throw_if_error(r);
assert(!!cb_ptr);
memset(cb_ptr, 0, cb_total_sz);
}
// pso
{
// root signature
auto filter = enable_filtering ? D3D12_FILTER_MIN_MAG_MIP_LINEAR : D3D12_FILTER_MIN_MAG_MIP_POINT;
dx12u::descriptor_sig_list descriptor_table0{};
dx12u::descriptor_sig_list descriptor_table1{};
descriptor_table0.append(dx12u::descriptor_sig{ dx12u::descriptor_type::srv, 0, 0, dx12u::shader_mask::ps });
descriptor_table1.append(dx12u::descriptor_sig{ dx12u::descriptor_type::cbv, 0, 0, dx12u::shader_mask::vs });
dx12u::descriptor_sig_list dsl{};
dsl.append(descriptor_table0); // TODO move to root once the number of sgpr is definite
dsl.append(descriptor_table1);
dx12u::static_sampler_list sl =
{
dx12u::make_default_static_sampler(0, filter),
};
rs = dx12u::make_root_signature(dev.Get(), dsl, sl);
// shader preprocessor definitions
auto const texture_char_w = static_cast<double>(global::font_texture_char_w) / static_cast<double>(global::font_texture_width);
using macro = std::pair<std::string, std::string>;
macro max_str_macro = macro{ "MAX_STR_SZ", std::to_string(max_str_size) };
macro char_w_macro = macro{ "CHAR_WIDTH", std::to_string(texture_char_w) };
D3D_SHADER_MACRO def[] =
{
max_str_macro.first.c_str(), max_str_macro.second.c_str(),
char_w_macro.first.c_str(), char_w_macro.second.c_str(),
nullptr, nullptr
};
// shader blobs
auto vs = dx12u::compile_from_file("../../framework/d3d12/shader/ui/text2d.hlsl", def, "vs_main", "vs_5_0");
auto ps = dx12u::compile_from_file("../../framework/d3d12/shader/ui/text2d.hlsl", def, "ps_main", "ps_5_0");
// pso
pso = dx12u::pipeline_state_object{ dev, rs, vs, ps };
D3D12_BLEND_DESC bd = CD3DX12_BLEND_DESC(D3D12_DEFAULT);
bd.RenderTarget[0].BlendEnable = true;
bd.RenderTarget[0].SrcBlend = D3D12_BLEND_SRC_ALPHA;
bd.RenderTarget[0].DestBlend = D3D12_BLEND_INV_SRC_ALPHA;
pso.set_blend_states(bd);
pso.set_depth_test(false);
pso.commit();
}
}
T get_build_info(cl_program_build_info info, const device &device) const
{
return detail::get_object_info<T>(clGetProgramBuildInfo, m_program, info, device.id());
}
bool btlelibscanfilter::process(device &dev, adv_fields &fields, int rssi)
{
return dev.advertisement_fields().is_service_advertiset(uuid(BTLE_SERVICE));
}
playback(device d) : playback(d.get()) {}
recorder(device d) : recorder(d.get()) {}
bool device::operator == (const device& other) const
{
return bda_ == other.addr();
}
bool can_access_peer(device const &other)
{
int result;
CUDAPP_CALL_GUARDED(cuDeviceCanAccessPeer, (&result, handle(), other.handle()));
return result;
}
static void hpxcl_single_initialize( hpx::naming::id_type node_id,
size_t vector_size)
{
// Query all devices on local node
std::vector<device> devices = get_devices( node_id,
CL_DEVICE_TYPE_GPU,
"OpenCL 1.1" ).get();
/*
// print devices
hpx::cout << "Devices:" << hpx::endl;
for(cl_uint i = 0; i < devices.size(); i++)
{
device cldevice = devices[i];
// Query name
std::string device_name = device::device_info_to_string(
cldevice.get_device_info(CL_DEVICE_NAME));
std::string device_vendor = device::device_info_to_string(
cldevice.get_device_info(CL_DEVICE_VENDOR));
hpx::cout << i << ": " << device_name << " (" << device_vendor << ")"
<< hpx::endl;
}
// Lets you choose a device
size_t device_num;
hpx::cout << "Choose device: " << hpx::endl;
std::cin >> device_num;
if(device_num < 0 || device_num >= devices.size())
exit(0);
// Select a device
hpxcl_single_device = devices[device_num];
*/
size_t device_id = 0;
// print device
hpx::cout << "Device:" << hpx::endl;
{
device cldevice = devices[device_id];
// Query name
std::string device_name = device::device_info_to_string(
cldevice.get_device_info(CL_DEVICE_NAME));
std::string device_vendor = device::device_info_to_string(
cldevice.get_device_info(CL_DEVICE_VENDOR));
hpx::cout << " " << device_name << " (" << device_vendor << ")"
<< hpx::endl;
}
// Select a device
hpxcl_single_device = devices[device_id];
// Create program
hpxcl_single_program = hpxcl_single_device.create_program_with_source(
gpu_code);
// Build program
hpxcl_single_program.build();
// Create kernels
hpxcl_single_log_kernel = hpxcl_single_program.create_kernel("logn");
hpxcl_single_exp_kernel = hpxcl_single_program.create_kernel("expn");
hpxcl_single_mul_kernel = hpxcl_single_program.create_kernel("mul");
hpxcl_single_add_kernel = hpxcl_single_program.create_kernel("add");
hpxcl_single_dbl_kernel = hpxcl_single_program.create_kernel("dbl");
// Generate buffers
hpxcl_single_buffer_a = hpxcl_single_device.create_buffer(
CL_MEM_READ_ONLY,
vector_size * sizeof(float));
hpxcl_single_buffer_b = hpxcl_single_device.create_buffer(
CL_MEM_READ_ONLY,
vector_size * sizeof(float));
hpxcl_single_buffer_c = hpxcl_single_device.create_buffer(
CL_MEM_READ_ONLY,
vector_size * sizeof(float));
hpxcl_single_buffer_m = hpxcl_single_device.create_buffer(
CL_MEM_READ_WRITE,
vector_size * sizeof(float));
hpxcl_single_buffer_n = hpxcl_single_device.create_buffer(
CL_MEM_READ_WRITE,
vector_size * sizeof(float));
hpxcl_single_buffer_o = hpxcl_single_device.create_buffer(
CL_MEM_READ_WRITE,
vector_size * sizeof(float));
hpxcl_single_buffer_p = hpxcl_single_device.create_buffer(
CL_MEM_READ_WRITE,
vector_size * sizeof(float));
hpxcl_single_buffer_z = hpxcl_single_device.create_buffer(
CL_MEM_WRITE_ONLY,
vector_size * sizeof(float));
// Initialize a list of future events for asynchronous set_arg calls
std::vector<shared_future<void>> set_arg_futures;
// set kernel args for exp
set_arg_futures.push_back(
hpxcl_single_exp_kernel.set_arg_async(0, hpxcl_single_buffer_m));
set_arg_futures.push_back(
hpxcl_single_exp_kernel.set_arg_async(1, hpxcl_single_buffer_b));
// set kernel args for add
set_arg_futures.push_back(
hpxcl_single_add_kernel.set_arg_async(0, hpxcl_single_buffer_n));
set_arg_futures.push_back(
hpxcl_single_add_kernel.set_arg_async(1, hpxcl_single_buffer_a));
set_arg_futures.push_back(
hpxcl_single_add_kernel.set_arg_async(2, hpxcl_single_buffer_m));
// set kernel args for dbl
set_arg_futures.push_back(
hpxcl_single_dbl_kernel.set_arg_async(0, hpxcl_single_buffer_o));
set_arg_futures.push_back(
hpxcl_single_dbl_kernel.set_arg_async(1, hpxcl_single_buffer_c));
// set kernel args for mul
set_arg_futures.push_back(
hpxcl_single_mul_kernel.set_arg_async(0, hpxcl_single_buffer_p));
set_arg_futures.push_back(
hpxcl_single_mul_kernel.set_arg_async(1, hpxcl_single_buffer_n));
set_arg_futures.push_back(
hpxcl_single_mul_kernel.set_arg_async(2, hpxcl_single_buffer_o));
// set kernel args for log
set_arg_futures.push_back(
hpxcl_single_log_kernel.set_arg_async(0, hpxcl_single_buffer_z));
set_arg_futures.push_back(
hpxcl_single_log_kernel.set_arg_async(1, hpxcl_single_buffer_p));
// wait for function calls to trigger
BOOST_FOREACH(shared_future<void> & future, set_arg_futures)
{
future.wait();
}
}
static CUcontext create(device dev, unsigned flags) {
CUcontext h = 0;
cuda_check( cuCtxCreate(&h, flags, dev.raw()) );
return h;
}
void bulk_transfer(device & device, unsigned char endpoint, void * data, int length, int *actual_length, unsigned int timeout)
{
int status = libusb_bulk_transfer(device.get_subdevice(0).handle->usb_devh, endpoint, (unsigned char *)data, length, actual_length, timeout);
if(status < 0) throw std::runtime_error(to_string() << "libusb_bulk_transfer(...) returned " << libusb_error_name(status));
}
void print_device_info(device d)
{
cout << "Device id " << (cl_device_id)d << ": " << d.name() << endl;
cout << " Compute units: " << d.compute_units() << endl;
cout << " Max Sub-devices: " << d.max_subdevices() << endl;
cout << " Address bits: " << d.address_bits() << endl;
cout << " Global Cache Size: " << d.global_cache_size() << endl;
cout << " Cacheline Size: " << d.global_cacheline_size() << endl;
cout << " Global Memory Size: " << d.global_mem_size() << endl;
cout << " Host-unified Memory: "
<< (d.host_unified_memory() ? "yes" : " no") << endl;
cout << " Max Work Group Size: " << d.max_work_group_size() << endl;
vector<size_t> s = d.max_work_item_dimensions();
cout << " Max Work Item Sizes: ("
<< s[0] << ", " << s[1] << ", " << s[2] << ")" << endl;
cout << " Float Vector Width: " << d.native_float_vector_width() << endl;
}
void seqSchema::drawInternalWires(device& dev)
{
assert (fSchema1->outputs() == fSchema2->inputs());
const int N = fSchema1->outputs();
double dx = 0;
double mx = 0;
int dir =-1;
if (orientation() == kLeftRight) {
// draw left right cables
for (int i=0; i<N; i++) {
point src = fSchema1->outputPoint(i);
point dst = fSchema2->inputPoint(i);
int d = direction(src,dst);
if (d != dir) {
// compute attributes of new direction
switch (d) {
case kUpDir : mx = 0; dx = dWire; break;
case kDownDir : mx = fHorzGap; dx = -dWire; break;
default : mx = 0; dx = 0; break;
}
dir = d;
} else {
// move in same direction
mx = mx +dx;
}
if (src.y == dst.y) {
// draw straight cable
dev.trait(src.x, src.y, dst.x, dst.y);
} else {
// draw zizag cable
dev.trait(src.x, src.y, src.x+mx, src.y);
dev.trait(src.x+mx, src.y, src.x+mx, dst.y);
dev.trait(src.x+mx, dst.y, dst.x, dst.y);
}
}
} else {
// draw right left cables
for (int i=0; i<N; i++) {
point src = fSchema1->outputPoint(i);
point dst = fSchema2->inputPoint(i);
int d = direction(src,dst);
if (d != dir) {
// compute attributes of new direction
switch (d) {
case kUpDir : mx = -fHorzGap; dx = dWire; break;
case kDownDir : mx = 0; dx = -dWire; break;
default : mx = 0; dx = 0; break;
}
dir = d;
} else {
// move in same direction
mx = mx +dx;
}
if (src.y == dst.y) {
// draw straight cable
dev.trait(src.x, src.y, dst.x, dst.y);
} else {
// draw zizag cable
dev.trait(src.x, src.y, src.x+mx, src.y);
dev.trait(src.x+mx, src.y, src.x+mx, dst.y);
dev.trait(src.x+mx, dst.y, dst.x, dst.y);
}
}
}
}
cl::queue::queue(const context &__context, const device &__device) throw(cl_exception)
: queue(__context.id(),__device.id()) {
}
void claim_interface(device & device, const guid & interface_guid, int interface_number)
{
int status = libusb_claim_interface(device.get_subdevice(0).handle->usb_devh, interface_number);
if(status < 0) throw std::runtime_error(to_string() << "libusb_claim_interface(...) returned " << libusb_error_name(status));
device.claimed_interfaces.push_back(interface_number);
}