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 d_ctx, cl_bool norm_mode,
  30                 cl_addressing_mode addr_mode, cl_filter_mode filter_mode,
  31                 cl_int *errcode_ret) try {
  32    auto &ctx = obj(d_ctx);
  33
  34    ret_error(errcode_ret, CL_SUCCESS);
  35    return new sampler(ctx, norm_mode, addr_mode, filter_mode);
  36
  37 } catch (error &e) {
  38    ret_error(errcode_ret, e);
  39    return NULL;
  40 }
  41
  42 PUBLIC cl_int
  43 clRetainSampler(cl_sampler s) {
  44    if (!s)
  45       throw error(CL_INVALID_SAMPLER);
  46
  47    s->retain();
  48    return CL_SUCCESS;
  49 }
  50
  51 PUBLIC cl_int
  52 clReleaseSampler(cl_sampler s) {
  53    if (!s)
  54       throw error(CL_INVALID_SAMPLER);
  55
  56    if (s->release())
  57       delete s;
  58
  59    return CL_SUCCESS;
  60 }
  61
  62 PUBLIC cl_int
  63 clGetSamplerInfo(cl_sampler s, cl_sampler_info param,
  64                  size_t size, void *r_buf, size_t *r_size) try {
  65    property_buffer buf { r_buf, size, r_size };
  66
  67    if (!s)
  68       throw error(CL_INVALID_SAMPLER);
  69
  70    switch (param) {
  71    case CL_SAMPLER_REFERENCE_COUNT:
  72       buf.as_scalar<cl_uint>() = s->ref_count();
  73       break;
  74
  75    case CL_SAMPLER_CONTEXT:
  76       buf.as_scalar<cl_context>() = &s->ctx;
  77       break;
  78
  79    case CL_SAMPLER_NORMALIZED_COORDS:
  80       buf.as_scalar<cl_bool>() = s->norm_mode();
  81       break;
  82
  83    case CL_SAMPLER_ADDRESSING_MODE:
  84       buf.as_scalar<cl_addressing_mode>() = s->addr_mode();
  85       break;
  86
  87    case CL_SAMPLER_FILTER_MODE:
  88       buf.as_scalar<cl_filter_mode>() = s->filter_mode();
  89       break;
  90
  91    default:
  92       throw error(CL_INVALID_VALUE);
  93    }
  94
  95    return CL_SUCCESS;
  96
  97 } catch (error &e) {
  98    return e.get();
  99 }