src/intel/common/gen_sample_positions.h

   1 /*
   2  * Copyright © 2016 Intel Corporation
   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 (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23 #ifndef GEN_SAMPLE_POSITIONS_H
  24 #define GEN_SAMPLE_POSITIONS_H
  25
  26 #define GEN_SAMPLE_POS_1X(prefix) \
  27 prefix##0XOffset   = 0.5; \
  28 prefix##0YOffset   = 0.5;
  29
  30 #define GEN_SAMPLE_POS_2X(prefix) \
  31 prefix##0XOffset   = 0.25; \
  32 prefix##0YOffset   = 0.25; \
  33 prefix##1XOffset   = 0.75; \
  34 prefix##1YOffset   = 0.75;
  35
  36 #define GEN_SAMPLE_POS_4X(prefix) \
  37 prefix##0XOffset   = 0.375; \
  38 prefix##0YOffset   = 0.125; \
  39 prefix##1XOffset   = 0.875; \
  40 prefix##1YOffset   = 0.375; \
  41 prefix##2XOffset   = 0.125; \
  42 prefix##2YOffset   = 0.625; \
  43 prefix##3XOffset   = 0.625; \
  44 prefix##3YOffset   = 0.875;
  45
  46 #define GEN_SAMPLE_POS_8X(prefix) \
  47 prefix##0XOffset   = 0.5625; \
  48 prefix##0YOffset   = 0.3125; \
  49 prefix##1XOffset   = 0.4375; \
  50 prefix##1YOffset   = 0.6875; \
  51 prefix##2XOffset   = 0.8125; \
  52 prefix##2YOffset   = 0.5625; \
  53 prefix##3XOffset   = 0.3125; \
  54 prefix##3YOffset   = 0.1875; \
  55 prefix##4XOffset   = 0.1875; \
  56 prefix##4YOffset   = 0.8125; \
  57 prefix##5XOffset   = 0.0625; \
  58 prefix##5YOffset   = 0.4375; \
  59 prefix##6XOffset   = 0.6875; \
  60 prefix##6YOffset   = 0.9375; \
  61 prefix##7XOffset   = 0.9375; \
  62 prefix##7YOffset   = 0.0625;
  63
  64 #define GEN_SAMPLE_POS_16X(prefix) \
  65 prefix##0XOffset   = 0.5625; \
  66 prefix##0YOffset   = 0.5625; \
  67 prefix##1XOffset   = 0.4375; \
  68 prefix##1YOffset   = 0.3125; \
  69 prefix##2XOffset   = 0.3125; \
  70 prefix##2YOffset   = 0.6250; \
  71 prefix##3XOffset   = 0.7500; \
  72 prefix##3YOffset   = 0.4375; \
  73 prefix##4XOffset   = 0.1875; \
  74 prefix##4YOffset   = 0.3750; \
  75 prefix##5XOffset   = 0.6250; \
  76 prefix##5YOffset   = 0.8125; \
  77 prefix##6XOffset   = 0.8125; \
  78 prefix##6YOffset   = 0.6875; \
  79 prefix##7XOffset   = 0.6875; \
  80 prefix##7YOffset   = 0.1875; \
  81 prefix##8XOffset   = 0.3750; \
  82 prefix##8YOffset   = 0.8750; \
  83 prefix##9XOffset   = 0.5000; \
  84 prefix##9YOffset   = 0.0625; \
  85 prefix##10XOffset  = 0.2500; \
  86 prefix##10YOffset  = 0.1250; \
  87 prefix##11XOffset  = 0.1250; \
  88 prefix##11YOffset  = 0.7500; \
  89 prefix##12XOffset  = 0.0000; \
  90 prefix##12YOffset  = 0.5000; \
  91 prefix##13XOffset  = 0.9375; \
  92 prefix##13YOffset  = 0.2500; \
  93 prefix##14XOffset  = 0.8750; \
  94 prefix##14YOffset  = 0.9375; \
  95 prefix##15XOffset  = 0.0625; \
  96 prefix##15YOffset  = 0.0000;
  97
  98 #endif /* GEN_SAMPLE_POSITIONS_H */