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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"
using namespace clover;
PUBLIC cl_context
clCreateContext(const cl_context_properties *props, cl_uint num_devs,
const cl_device_id *devs,
void (CL_CALLBACK *pfn_notify)(const char *, const void *,
size_t, void *),
void *user_data, cl_int *errcode_ret) try {
auto mprops = property_map(props);
if (!devs || !num_devs ||
(!pfn_notify && user_data))
throw error(CL_INVALID_VALUE);
if (any_of(is_zero<cl_device_id>, devs, devs + num_devs))
throw error(CL_INVALID_DEVICE);
for (auto p : mprops) {
if (p.first != CL_CONTEXT_PLATFORM)
throw error(CL_INVALID_PROPERTY);
}
ret_error(errcode_ret, CL_SUCCESS);
return new context(
property_vector(mprops),
std::vector<cl_device_id>(devs, devs + num_devs));
} catch(error &e) {
ret_error(errcode_ret, e);
return NULL;
}
PUBLIC cl_context
clCreateContextFromType(const cl_context_properties *props,
cl_device_type type,
void (CL_CALLBACK *pfn_notify)(
const char *, const void *, size_t, void *),
void *user_data, cl_int *errcode_ret) try {
cl_platform_id platform;
cl_uint num_platforms;
cl_device_id dev;
cl_int ret;
ret = clGetPlatformIDs(1, &platform, &num_platforms);
if (ret || !num_platforms)
throw error(CL_INVALID_PLATFORM);
ret = clGetDeviceIDs(platform, type, 1, &dev, 0);
if (ret)
throw error(CL_DEVICE_NOT_FOUND);
return clCreateContext(props, 1, &dev, pfn_notify, user_data, errcode_ret);
} catch(error &e) {
ret_error(errcode_ret, e);
return NULL;
}
PUBLIC cl_int
clRetainContext(cl_context ctx) {
if (!ctx)
return CL_INVALID_CONTEXT;
ctx->retain();
return CL_SUCCESS;
}
PUBLIC cl_int
clReleaseContext(cl_context ctx) {
if (!ctx)
return CL_INVALID_CONTEXT;
if (ctx->release())
delete ctx;
return CL_SUCCESS;
}
PUBLIC cl_int
clGetContextInfo(cl_context ctx, cl_context_info param,
size_t size, void *buf, size_t *size_ret) {
if (!ctx)
return CL_INVALID_CONTEXT;
switch (param) {
case CL_CONTEXT_REFERENCE_COUNT:
return scalar_property<cl_uint>(buf, size, size_ret, ctx->ref_count());
case CL_CONTEXT_NUM_DEVICES:
return scalar_property<cl_uint>(buf, size, size_ret, ctx->devs.size());
case CL_CONTEXT_DEVICES:
return vector_property<cl_device_id>(buf, size, size_ret, ctx->devs);
case CL_CONTEXT_PROPERTIES:
return vector_property<cl_context_properties>(buf, size, size_ret,
ctx->props());
default:
return CL_INVALID_VALUE;
}
}
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