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api_sampler.cpp

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00001 /*
00002  * Copyright (c) 2011, Denis Steckelmacher <steckdenis@yahoo.fr>
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *     * Redistributions of source code must retain the above copyright
00008  *       notice, this list of conditions and the following disclaimer.
00009  *     * Redistributions in binary form must reproduce the above copyright
00010  *       notice, this list of conditions and the following disclaimer in the
00011  *       documentation and/or other materials provided with the distribution.
00012  *     * Neither the name of the copyright holder nor the
00013  *       names of its contributors may be used to endorse or promote products
00014  *       derived from this software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
00017  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00018  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019  * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
00020  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00021  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00022  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00023  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00024  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00025  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026  */
00027 
00033 #include "CL/cl.h"
00034 
00035 #include "core/sampler.h"
00036 #include "core/context.h"
00037 
00038 // Sampler APIs
00039 cl_sampler
00040 clCreateSampler(cl_context          context,
00041                 cl_bool             normalized_coords,
00042                 cl_addressing_mode  addressing_mode,
00043                 cl_filter_mode      filter_mode,
00044                 cl_int *            errcode_ret)
00045 {
00046     cl_int dummy_errcode;
00047 
00048     if (!errcode_ret)
00049         errcode_ret = &dummy_errcode;
00050 
00051     if (!context->isA(Coal::Object::T_Context))
00052     {
00053         *errcode_ret = CL_INVALID_CONTEXT;
00054         return 0;
00055     }
00056 
00057     *errcode_ret = CL_SUCCESS;
00058 
00059     Coal::Sampler *sampler = new Coal::Sampler((Coal::Context *)context,
00060                                                normalized_coords,
00061                                                addressing_mode,
00062                                                filter_mode,
00063                                                errcode_ret);
00064 
00065     if (*errcode_ret != CL_SUCCESS)
00066     {
00067         delete sampler;
00068         return 0;
00069     }
00070 
00071     return (cl_sampler)sampler;
00072 }
00073 
00074 cl_int
00075 clRetainSampler(cl_sampler sampler)
00076 {
00077     if (!sampler->isA(Coal::Object::T_Sampler))
00078         return CL_INVALID_SAMPLER;
00079 
00080     sampler->reference();
00081 
00082     return CL_SUCCESS;
00083 }
00084 
00085 cl_int
00086 clReleaseSampler(cl_sampler sampler)
00087 {
00088     if (!sampler->isA(Coal::Object::T_Sampler))
00089         return CL_INVALID_SAMPLER;
00090 
00091     if (sampler->dereference())
00092         delete sampler;
00093 
00094     return CL_SUCCESS;
00095 }
00096 
00097 cl_int
00098 clGetSamplerInfo(cl_sampler         sampler,
00099                  cl_sampler_info    param_name,
00100                  size_t             param_value_size,
00101                  void *             param_value,
00102                  size_t *           param_value_size_ret)
00103 {
00104     if (!sampler->isA(Coal::Object::T_Sampler))
00105         return CL_INVALID_SAMPLER;
00106 
00107     return sampler->info(param_name, param_value_size, param_value,
00108                          param_value_size_ret);
00109 }
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