src/gallium/frontends/clover/core/format.hpp

   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 #ifndef CLOVER_CORE_FORMAT_HPP
  24 #define CLOVER_CORE_FORMAT_HPP
  25
  26 #include <set>
  27
  28 #include "core/object.hpp"
  29 #include "pipe/p_defines.h"
  30 #include "pipe/p_format.h"
  31
  32 namespace clover {
  33    pipe_texture_target translate_target(cl_mem_object_type type);
  34    pipe_format translate_format(const cl_image_format &format);
  35
  36    ///
  37    /// Return all the image formats supported by a given context for
  38    /// the given memory object type.
  39    ///
  40    std::set<cl_image_format> supported_formats(const context &ctx,
  41                                                cl_mem_object_type type);
  42 }
  43
  44 static inline bool
  45 operator<(const cl_image_format &a, const cl_image_format &b) {
  46    return (a.image_channel_order != b.image_channel_order ?
  47            a.image_channel_order < b.image_channel_order :
  48            a.image_channel_data_type < b.image_channel_data_type);
  49 }
  50
  51 static inline bool
  52 operator==(const cl_image_format &a, const cl_image_format &b) {
  53    return (a.image_channel_order == b.image_channel_order &&
  54            a.image_channel_data_type == b.image_channel_data_type);
  55 }
  56
  57 static inline bool
  58 operator!=(const cl_image_format &a, const cl_image_format &b) {
  59    return !(a == b);
  60 }
  61
  62 #endif