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//
// Copyright 2012 Francisco Jerez
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#include "api/util.hpp"
#include "core/platform.hpp"
#include "core/device.hpp"
using namespace clover;
CLOVER_API cl_int
clGetDeviceIDs(cl_platform_id d_platform, cl_device_type device_type,
cl_uint num_entries, cl_device_id *rd_devices,
cl_uint *rnum_devices) try {
auto &platform = obj(d_platform);
std::vector<cl_device_id> d_devs;
if ((!num_entries && rd_devices) ||
(!rnum_devices && !rd_devices))
throw error(CL_INVALID_VALUE);
// Collect matching devices
for (device &dev : platform) {
if (((device_type & CL_DEVICE_TYPE_DEFAULT) &&
dev == platform.front()) ||
(device_type & dev.type()))
d_devs.push_back(desc(dev));
}
if (d_devs.empty())
throw error(CL_DEVICE_NOT_FOUND);
// ...and return the requested data.
if (rnum_devices)
*rnum_devices = d_devs.size();
if (rd_devices)
copy(range(d_devs.begin(),
std::min((unsigned)d_devs.size(), num_entries)),
rd_devices);
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clCreateSubDevices(cl_device_id d_dev,
const cl_device_partition_property *props,
cl_uint num_devs, cl_device_id *rd_devs,
cl_uint *rnum_devs) {
// There are no currently supported partitioning schemes.
return CL_INVALID_VALUE;
}
CLOVER_API cl_int
clRetainDevice(cl_device_id d_dev) try {
obj(d_dev);
// The reference count doesn't change for root devices.
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clReleaseDevice(cl_device_id d_dev) try {
obj(d_dev);
// The reference count doesn't change for root devices.
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clGetDeviceInfo(cl_device_id d_dev, cl_device_info param,
size_t size, void *r_buf, size_t *r_size) try {
property_buffer buf { r_buf, size, r_size };
auto &dev = obj(d_dev);
switch (param) {
case CL_DEVICE_TYPE:
buf.as_scalar<cl_device_type>() = dev.type();
break;
case CL_DEVICE_VENDOR_ID:
buf.as_scalar<cl_uint>() = dev.vendor_id();
break;
case CL_DEVICE_MAX_COMPUTE_UNITS:
buf.as_scalar<cl_uint>() = dev.max_compute_units();
break;
case CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS:
buf.as_scalar<cl_uint>() = dev.max_block_size().size();
break;
case CL_DEVICE_MAX_WORK_ITEM_SIZES:
buf.as_vector<size_t>() = dev.max_block_size();
break;
case CL_DEVICE_MAX_WORK_GROUP_SIZE:
buf.as_scalar<size_t>() = dev.max_threads_per_block();
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR:
buf.as_scalar<cl_uint>() = 16;
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT:
buf.as_scalar<cl_uint>() = 8;
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT:
buf.as_scalar<cl_uint>() = 4;
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG:
buf.as_scalar<cl_uint>() = 2;
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT:
buf.as_scalar<cl_uint>() = 4;
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE:
buf.as_scalar<cl_uint>() = dev.has_doubles() ? 2 : 0;
break;
case CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF:
buf.as_scalar<cl_uint>() = 0;
break;
case CL_DEVICE_MAX_CLOCK_FREQUENCY:
buf.as_scalar<cl_uint>() = dev.max_clock_frequency();
break;
case CL_DEVICE_ADDRESS_BITS:
buf.as_scalar<cl_uint>() = 32;
break;
case CL_DEVICE_MAX_READ_IMAGE_ARGS:
buf.as_scalar<cl_uint>() = dev.max_images_read();
break;
case CL_DEVICE_MAX_WRITE_IMAGE_ARGS:
buf.as_scalar<cl_uint>() = dev.max_images_write();
break;
case CL_DEVICE_MAX_MEM_ALLOC_SIZE:
buf.as_scalar<cl_ulong>() = dev.max_mem_alloc_size();
break;
case CL_DEVICE_IMAGE2D_MAX_WIDTH:
case CL_DEVICE_IMAGE2D_MAX_HEIGHT:
buf.as_scalar<size_t>() = 1 << dev.max_image_levels_2d();
break;
case CL_DEVICE_IMAGE3D_MAX_WIDTH:
case CL_DEVICE_IMAGE3D_MAX_HEIGHT:
case CL_DEVICE_IMAGE3D_MAX_DEPTH:
buf.as_scalar<size_t>() = 1 << dev.max_image_levels_3d();
break;
case CL_DEVICE_IMAGE_SUPPORT:
buf.as_scalar<cl_bool>() = dev.image_support();
break;
case CL_DEVICE_MAX_PARAMETER_SIZE:
buf.as_scalar<size_t>() = dev.max_mem_input();
break;
case CL_DEVICE_MAX_SAMPLERS:
buf.as_scalar<cl_uint>() = dev.max_samplers();
break;
case CL_DEVICE_MEM_BASE_ADDR_ALIGN:
case CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE:
buf.as_scalar<cl_uint>() = 128;
break;
case CL_DEVICE_SINGLE_FP_CONFIG:
// This is the "mandated minimum single precision floating-point
// capability" for OpenCL 1.1. In OpenCL 1.2, nothing is required for
// custom devices.
buf.as_scalar<cl_device_fp_config>() =
CL_FP_INF_NAN | CL_FP_ROUND_TO_NEAREST;
break;
case CL_DEVICE_DOUBLE_FP_CONFIG:
if (dev.has_doubles())
// This is the "mandated minimum double precision floating-point
// capability"
buf.as_scalar<cl_device_fp_config>() =
CL_FP_FMA
| CL_FP_ROUND_TO_NEAREST
| CL_FP_ROUND_TO_ZERO
| CL_FP_ROUND_TO_INF
| CL_FP_INF_NAN
| CL_FP_DENORM;
else
buf.as_scalar<cl_device_fp_config>() = 0;
break;
case CL_DEVICE_GLOBAL_MEM_CACHE_TYPE:
buf.as_scalar<cl_device_mem_cache_type>() = CL_NONE;
break;
case CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE:
buf.as_scalar<cl_uint>() = 0;
break;
case CL_DEVICE_GLOBAL_MEM_CACHE_SIZE:
buf.as_scalar<cl_ulong>() = 0;
break;
case CL_DEVICE_GLOBAL_MEM_SIZE:
buf.as_scalar<cl_ulong>() = dev.max_mem_global();
break;
case CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE:
buf.as_scalar<cl_ulong>() = dev.max_const_buffer_size();
break;
case CL_DEVICE_MAX_CONSTANT_ARGS:
buf.as_scalar<cl_uint>() = dev.max_const_buffers();
break;
case CL_DEVICE_LOCAL_MEM_TYPE:
buf.as_scalar<cl_device_local_mem_type>() = CL_LOCAL;
break;
case CL_DEVICE_LOCAL_MEM_SIZE:
buf.as_scalar<cl_ulong>() = dev.max_mem_local();
break;
case CL_DEVICE_ERROR_CORRECTION_SUPPORT:
buf.as_scalar<cl_bool>() = CL_FALSE;
break;
case CL_DEVICE_PROFILING_TIMER_RESOLUTION:
buf.as_scalar<size_t>() = 0;
break;
case CL_DEVICE_ENDIAN_LITTLE:
buf.as_scalar<cl_bool>() = (dev.endianness() == PIPE_ENDIAN_LITTLE);
break;
case CL_DEVICE_AVAILABLE:
case CL_DEVICE_COMPILER_AVAILABLE:
buf.as_scalar<cl_bool>() = CL_TRUE;
break;
case CL_DEVICE_EXECUTION_CAPABILITIES:
buf.as_scalar<cl_device_exec_capabilities>() = CL_EXEC_KERNEL;
break;
case CL_DEVICE_QUEUE_PROPERTIES:
buf.as_scalar<cl_command_queue_properties>() = CL_QUEUE_PROFILING_ENABLE;
break;
case CL_DEVICE_NAME:
buf.as_string() = dev.device_name();
break;
case CL_DEVICE_VENDOR:
buf.as_string() = dev.vendor_name();
break;
case CL_DRIVER_VERSION:
buf.as_string() = PACKAGE_VERSION;
break;
case CL_DEVICE_PROFILE:
buf.as_string() = "FULL_PROFILE";
break;
case CL_DEVICE_VERSION:
buf.as_string() = "OpenCL 1.1 MESA " PACKAGE_VERSION;
break;
case CL_DEVICE_EXTENSIONS:
buf.as_string() = dev.has_doubles() ? "cl_khr_fp64" : "";
break;
case CL_DEVICE_PLATFORM:
buf.as_scalar<cl_platform_id>() = desc(dev.platform);
break;
case CL_DEVICE_HOST_UNIFIED_MEMORY:
buf.as_scalar<cl_bool>() = CL_TRUE;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR:
buf.as_scalar<cl_uint>() = 16;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_SHORT:
buf.as_scalar<cl_uint>() = 8;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_INT:
buf.as_scalar<cl_uint>() = 4;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_LONG:
buf.as_scalar<cl_uint>() = 2;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT:
buf.as_scalar<cl_uint>() = 4;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE:
buf.as_scalar<cl_uint>() = dev.has_doubles() ? 2 : 0;
break;
case CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF:
buf.as_scalar<cl_uint>() = 0;
break;
case CL_DEVICE_OPENCL_C_VERSION:
buf.as_string() = "OpenCL C 1.1 ";
break;
case CL_DEVICE_PARENT_DEVICE:
buf.as_scalar<cl_device_id>() = NULL;
break;
case CL_DEVICE_PARTITION_MAX_SUB_DEVICES:
buf.as_scalar<cl_uint>() = 0;
break;
case CL_DEVICE_PARTITION_PROPERTIES:
buf.as_vector<cl_device_partition_property>() =
desc(property_list<cl_device_partition_property>());
break;
case CL_DEVICE_PARTITION_AFFINITY_DOMAIN:
buf.as_scalar<cl_device_affinity_domain>() = 0;
break;
case CL_DEVICE_PARTITION_TYPE:
buf.as_vector<cl_device_partition_property>() =
desc(property_list<cl_device_partition_property>());
break;
case CL_DEVICE_REFERENCE_COUNT:
buf.as_scalar<cl_uint>() = 1;
break;
default:
throw error(CL_INVALID_VALUE);
}
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
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