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/*
* Copyright (c) 2011, Denis Steckelmacher <steckdenis@yahoo.fr>
* Copyright (c) 2012-2014, Texas Instruments Incorporated - http://www.ti.com/
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* \file api_context.cpp
* \brief Contexts
*/
#include <CL/cl.h>
#include <core/context.h>
#include <core/platform.h>
#include <stdlib.h>
using namespace Coal;
// Context APIs
cl_context
clCreateContext(const cl_context_properties *properties,
cl_uint num_devices,
const cl_device_id * devices,
void (CL_CALLBACK *pfn_notify)(const char *, const void *, size_t, void *),
void * user_data,
cl_int * errcode_ret)
{
cl_int default_errcode_ret;
// No errcode_ret ?
if (!errcode_ret)
errcode_ret = &default_errcode_ret;
if (!devices ||
!num_devices ||
(!pfn_notify && user_data))
{
*errcode_ret = CL_INVALID_VALUE;
return 0;
}
*errcode_ret = CL_SUCCESS;
Context *ctx = new Context(properties, num_devices, devices,
pfn_notify, user_data, errcode_ret);
if (*errcode_ret != CL_SUCCESS)
{
// Initialization failed, destroy context
delete ctx;
return 0;
}
return desc(ctx);
}
cl_context
clCreateContextFromType(const cl_context_properties *properties,
cl_device_type device_type,
void (CL_CALLBACK *pfn_notify)(const char *, const void *, size_t, void *),
void * user_data,
cl_int * errcode_ret)
{
cl_device_id* devices;
cl_uint num_devices;
cl_int local_error;
cl_context result = 0;
local_error = clGetDeviceIDs(&the_platform, device_type, 0, NULL,
&num_devices);
if (!num_devices) { local_error = CL_INVALID_DEVICE; goto bail; }
devices = (cl_device_id*) malloc(num_devices * sizeof(cl_device_id));
if (!devices) { local_error = CL_OUT_OF_HOST_MEMORY; goto bail; }
local_error = clGetDeviceIDs(&the_platform, device_type, num_devices,
devices, 0);
if (local_error != CL_SUCCESS) { free (devices); goto bail; }
result = clCreateContext(properties, num_devices, devices, pfn_notify, user_data,
&local_error);
free (devices);
bail:
if (errcode_ret)
*errcode_ret = local_error;
return result;
}
cl_int
clRetainContext(cl_context d_context)
{
auto context = pobj(d_context);
if (!context->isA(Coal::Object::T_Context))
return CL_INVALID_CONTEXT;
context->reference();
return CL_SUCCESS;
}
cl_int
clReleaseContext(cl_context d_context)
{
auto context = pobj(d_context);
if (!context->isA(Coal::Object::T_Context))
return CL_INVALID_CONTEXT;
if (context->dereference())
delete context;
return CL_SUCCESS;
}
cl_int
clGetContextInfo(cl_context d_context,
cl_context_info param_name,
size_t param_value_size,
void * param_value,
size_t * param_value_size_ret)
{
auto context = pobj(d_context);
if (!context->isA(Coal::Object::T_Context))
return CL_INVALID_CONTEXT;
return context->info(param_name, param_value_size, param_value,
param_value_size_ret);
}
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