src/gallium/state_trackers/clover/api/sampler.cpp

   1 //
   2 // Copyright 2012 Francisco Jerez
   3 //
   4 // Permission is hereby granted, free of charge, to any person obtaining a
   5 // copy of this software and associated documentation files (the "Software"),
   6 // to deal in the Software without restriction, including without limitation
   7 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 // and/or sell copies of the Software, and to permit persons to whom the
   9 // Software is furnished to do so, subject to the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be included in
  12 // all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 // OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22
  23 #include "api/util.hpp"
  24 #include "core/sampler.hpp"
  25
  26 using namespace clover;
  27
  28 PUBLIC cl_sampler
  29 clCreateSampler(cl_context ctx, cl_bool norm_mode,
  30                 cl_addressing_mode addr_mode, cl_filter_mode filter_mode,
  31                 cl_int *errcode_ret) try {
  32    if (!ctx)
  33       throw error(CL_INVALID_CONTEXT);
  34
  35    ret_error(errcode_ret, CL_SUCCESS);
  36    return new sampler(*ctx, norm_mode, addr_mode, filter_mode);
  37
  38 } catch (error &e) {
  39    ret_error(errcode_ret, e);
  40    return NULL;
  41 }
  42
  43 PUBLIC cl_int
  44 clRetainSampler(cl_sampler s) {
  45    if (!s)
  46       throw error(CL_INVALID_SAMPLER);
  47
  48    s->retain();
  49    return CL_SUCCESS;
  50 }
  51
  52 PUBLIC cl_int
  53 clReleaseSampler(cl_sampler s) {
  54    if (!s)
  55       throw error(CL_INVALID_SAMPLER);
  56
  57    if (s->release())
  58       delete s;
  59
  60    return CL_SUCCESS;
  61 }
  62
  63 PUBLIC cl_int
  64 clGetSamplerInfo(cl_sampler s, cl_sampler_info param,
  65                  size_t size, void *r_buf, size_t *r_size) try {
  66    property_buffer buf { r_buf, size, r_size };
  67
  68    if (!s)
  69       throw error(CL_INVALID_SAMPLER);
  70
  71    switch (param) {
  72    case CL_SAMPLER_REFERENCE_COUNT:
  73       buf.as_scalar<cl_uint>() = s->ref_count();
  74       break;
  75
  76    case CL_SAMPLER_CONTEXT:
  77       buf.as_scalar<cl_context>() = &s->ctx;
  78       break;
  79
  80    case CL_SAMPLER_NORMALIZED_COORDS:
  81       buf.as_scalar<cl_bool>() = s->norm_mode();
  82       break;
  83
  84    case CL_SAMPLER_ADDRESSING_MODE:
  85       buf.as_scalar<cl_addressing_mode>() = s->addr_mode();
  86       break;
  87
  88    case CL_SAMPLER_FILTER_MODE:
  89       buf.as_scalar<cl_filter_mode>() = s->filter_mode();
  90       break;
  91
  92    default:
  93       throw error(CL_INVALID_VALUE);
  94    }
  95
  96    return CL_SUCCESS;
  97
  98 } catch (error &e) {
  99    return e.get();
 100 }