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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/context.hpp"
#include "core/platform.hpp"
using namespace clover;
CLOVER_API cl_context
clCreateContext(const cl_context_properties *d_props, cl_uint num_devs,
const cl_device_id *d_devs,
void (CL_CALLBACK *pfn_notify)(const char *, const void *,
size_t, void *),
void *user_data, cl_int *r_errcode) try {
auto props = obj<property_list_tag>(d_props);
auto devs = objs(d_devs, num_devs);
if (!pfn_notify && user_data)
throw error(CL_INVALID_VALUE);
for (auto &prop : props) {
if (prop.first == CL_CONTEXT_PLATFORM)
obj(prop.second.as<cl_platform_id>());
else
throw error(CL_INVALID_PROPERTY);
}
ret_error(r_errcode, CL_SUCCESS);
return desc(new context(props, devs));
} catch (error &e) {
ret_error(r_errcode, e);
return NULL;
}
CLOVER_API cl_context
clCreateContextFromType(const cl_context_properties *d_props,
cl_device_type type,
void (CL_CALLBACK *pfn_notify)(
const char *, const void *, size_t, void *),
void *user_data, cl_int *r_errcode) try {
cl_platform_id d_platform;
cl_uint num_platforms;
cl_int ret;
std::vector<cl_device_id> devs;
cl_uint num_devices;
ret = clGetPlatformIDs(1, &d_platform, &num_platforms);
if (ret || !num_platforms)
throw error(CL_INVALID_PLATFORM);
ret = clGetDeviceIDs(d_platform, type, 0, NULL, &num_devices);
if (ret)
throw error(CL_DEVICE_NOT_FOUND);
devs.resize(num_devices);
ret = clGetDeviceIDs(d_platform, type, num_devices, devs.data(), 0);
if (ret)
throw error(CL_DEVICE_NOT_FOUND);
return clCreateContext(d_props, num_devices, devs.data(), pfn_notify,
user_data, r_errcode);
} catch (error &e) {
ret_error(r_errcode, e);
return NULL;
}
CLOVER_API cl_int
clRetainContext(cl_context d_ctx) try {
obj(d_ctx).retain();
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clReleaseContext(cl_context d_ctx) try {
if (obj(d_ctx).release())
delete pobj(d_ctx);
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
CLOVER_API cl_int
clGetContextInfo(cl_context d_ctx, cl_context_info param,
size_t size, void *r_buf, size_t *r_size) try {
property_buffer buf { r_buf, size, r_size };
auto &ctx = obj(d_ctx);
switch (param) {
case CL_CONTEXT_REFERENCE_COUNT:
buf.as_scalar<cl_uint>() = ctx.ref_count();
break;
case CL_CONTEXT_NUM_DEVICES:
buf.as_scalar<cl_uint>() = ctx.devs().size();
break;
case CL_CONTEXT_DEVICES:
buf.as_vector<cl_device_id>() = descs(ctx.devs());
break;
case CL_CONTEXT_PROPERTIES:
buf.as_vector<cl_context_properties>() = desc(ctx.props());
break;
default:
throw error(CL_INVALID_VALUE);
}
return CL_SUCCESS;
} catch (error &e) {
return e.get();
}
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