Differential D4383 Diff 13771 intern/cycles/device/device_opencl.cpp

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intern/cycles/device/device_opencl.cpp

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#include "util/util_logging.h"		#include "util/util_logging.h"
#include "util/util_set.h"		#include "util/util_set.h"
#include "util/util_string.h"		#include "util/util_string.h"

CCL_NAMESPACE_BEGIN		CCL_NAMESPACE_BEGIN

Device *device_opencl_create(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background)		Device *device_opencl_create(DeviceInfo& info, Stats &stats, Profiler &profiler, bool background)
{		{
vector<OpenCLPlatformDevice> usable_devices;
OpenCLInfo::get_usable_devices(&usable_devices);
assert(info.num < usable_devices.size());
const OpenCLPlatformDevice& platform_device = usable_devices[info.num];
const string& platform_name = platform_device.platform_name;
const cl_device_type device_type = platform_device.device_type;
if(OpenCLInfo::kernel_use_split(platform_name, device_type)) {
VLOG(1) << "Using split kernel.";
return opencl_create_split_device(info, stats, profiler, background);		return opencl_create_split_device(info, stats, profiler, background);
} else {
VLOG(1) << "Using mega kernel.";
return opencl_create_mega_device(info, stats, profiler, background);
}
}		}

bool device_opencl_init()		bool device_opencl_init()
{		{
static bool initialized = false;		static bool initialized = false;
static bool result = false;		static bool result = false;

if(initialized)		if(initialized)
▲ Show 20 Lines • Show All 53 Lines • ▼ Show 20 Lines	void device_opencl_info(vector<DeviceInfo>& devices)
vector<OpenCLPlatformDevice> usable_devices;		vector<OpenCLPlatformDevice> usable_devices;
OpenCLInfo::get_usable_devices(&usable_devices);		OpenCLInfo::get_usable_devices(&usable_devices);
/* Devices are numbered consecutively across platforms. */		/* Devices are numbered consecutively across platforms. */
int num_devices = 0;		int num_devices = 0;
set<string> unique_ids;		set<string> unique_ids;
foreach(OpenCLPlatformDevice& platform_device, usable_devices) {		foreach(OpenCLPlatformDevice& platform_device, usable_devices) {
/* Compute unique ID for persistent user preferences. */		/* Compute unique ID for persistent user preferences. */
const string& platform_name = platform_device.platform_name;		const string& platform_name = platform_device.platform_name;
const cl_device_type device_type = platform_device.device_type;
const string& device_name = platform_device.device_name;		const string& device_name = platform_device.device_name;
string hardware_id = platform_device.hardware_id;		string hardware_id = platform_device.hardware_id;
if(hardware_id == "") {		if(hardware_id == "") {
hardware_id = string_printf("ID_%d", num_devices);		hardware_id = string_printf("ID_%d", num_devices);
}		}
string id = string("OPENCL_") + platform_name + "_" + device_name + "_" + hardware_id;		string id = string("OPENCL_") + platform_name + "_" + device_name + "_" + hardware_id;

/* Hardware ID might not be unique, add device number in that case. */		/* Hardware ID might not be unique, add device number in that case. */
if(unique_ids.find(id) != unique_ids.end()) {		if(unique_ids.find(id) != unique_ids.end()) {
id += string_printf("_ID_%d", num_devices);		id += string_printf("_ID_%d", num_devices);
}		}
unique_ids.insert(id);		unique_ids.insert(id);

/* Create DeviceInfo. */		/* Create DeviceInfo. */
DeviceInfo info;		DeviceInfo info;
info.type = DEVICE_OPENCL;		info.type = DEVICE_OPENCL;
info.description = string_remove_trademark(string(device_name));		info.description = string_remove_trademark(string(device_name));
info.num = num_devices;		info.num = num_devices;
/* We don't know if it's used for display, but assume it is. */		/* We don't know if it's used for display, but assume it is. */
info.display_device = true;		info.display_device = true;
info.advanced_shading = OpenCLInfo::kernel_use_advanced_shading(platform_name);		info.advanced_shading = OpenCLInfo::kernel_use_advanced_shading(platform_name);
info.use_split_kernel = OpenCLInfo::kernel_use_split(platform_name,		info.use_split_kernel = true;
device_type);
info.has_volume_decoupled = false;		info.has_volume_decoupled = false;
info.id = id;		info.id = id;

/* Check OpenCL extensions */		/* Check OpenCL extensions */
info.has_half_images = platform_device.device_extensions.find("cl_khr_fp16") != string::npos;		info.has_half_images = platform_device.device_extensions.find("cl_khr_fp16") != string::npos;

devices.push_back(info);		devices.push_back(info);
num_devices++;		num_devices++;
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