src/gallium/auxiliary/gallivm/lp_bld_arit.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
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   7  * copy of this software and associated documentation files (the
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  12  * the following conditions:
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Helper arithmetic functions.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.com>
  33  */
  34
  35
  36 #ifndef LP_BLD_ARIT_H
  37 #define LP_BLD_ARIT_H
  38
  39
  40 #include <llvm-c/Core.h>
  41
  42
  43 struct lp_type;
  44 struct lp_build_context;
  45
  46
  47 /**
  48  * Complement, i.e., 1 - a.
  49  */
  50 LLVMValueRef
  51 lp_build_comp(struct lp_build_context *bld,
  52               LLVMValueRef a);
  53
  54 LLVMValueRef
  55 lp_build_add(struct lp_build_context *bld,
  56              LLVMValueRef a,
  57              LLVMValueRef b);
  58
  59 LLVMValueRef
  60 lp_build_sub(struct lp_build_context *bld,
  61              LLVMValueRef a,
  62              LLVMValueRef b);
  63
  64 LLVMValueRef
  65 lp_build_mul(struct lp_build_context *bld,
  66              LLVMValueRef a,
  67              LLVMValueRef b);
  68
  69 LLVMValueRef
  70 lp_build_mul_imm(struct lp_build_context *bld,
  71                  LLVMValueRef a,
  72                  int b);
  73
  74 LLVMValueRef
  75 lp_build_div(struct lp_build_context *bld,
  76              LLVMValueRef a,
  77              LLVMValueRef b);
  78
  79 LLVMValueRef
  80 lp_build_lerp(struct lp_build_context *bld,
  81               LLVMValueRef x,
  82               LLVMValueRef v0,
  83               LLVMValueRef v1);
  84
  85 /**
  86  * Bilinear interpolation.
  87  *
  88  * Values indices are in v_{yx}.
  89  */
  90 LLVMValueRef
  91 lp_build_lerp_2d(struct lp_build_context *bld,
  92                  LLVMValueRef x,
  93                  LLVMValueRef y,
  94                  LLVMValueRef v00,
  95                  LLVMValueRef v01,
  96                  LLVMValueRef v10,
  97                  LLVMValueRef v11);
  98
  99 LLVMValueRef
 100 lp_build_min(struct lp_build_context *bld,
 101              LLVMValueRef a,
 102              LLVMValueRef b);
 103
 104 LLVMValueRef
 105 lp_build_max(struct lp_build_context *bld,
 106              LLVMValueRef a,
 107              LLVMValueRef b);
 108
 109 LLVMValueRef
 110 lp_build_abs(struct lp_build_context *bld,
 111              LLVMValueRef a);
 112
 113 LLVMValueRef
 114 lp_build_sgn(struct lp_build_context *bld,
 115              LLVMValueRef a);
 116
 117 LLVMValueRef
 118 lp_build_round(struct lp_build_context *bld,
 119                LLVMValueRef a);
 120
 121 LLVMValueRef
 122 lp_build_floor(struct lp_build_context *bld,
 123                LLVMValueRef a);
 124
 125 LLVMValueRef
 126 lp_build_ceil(struct lp_build_context *bld,
 127               LLVMValueRef a);
 128
 129 LLVMValueRef
 130 lp_build_trunc(struct lp_build_context *bld,
 131                LLVMValueRef a);
 132
 133 LLVMValueRef
 134 lp_build_ifloor(struct lp_build_context *bld,
 135                 LLVMValueRef a);
 136 LLVMValueRef
 137 lp_build_iceil(struct lp_build_context *bld,
 138                LLVMValueRef a);
 139
 140 LLVMValueRef
 141 lp_build_iround(struct lp_build_context *bld,
 142                 LLVMValueRef a);
 143
 144 LLVMValueRef
 145 lp_build_itrunc(struct lp_build_context *bld,
 146                 LLVMValueRef a);
 147
 148 LLVMValueRef
 149 lp_build_sqrt(struct lp_build_context *bld,
 150               LLVMValueRef a);
 151
 152 LLVMValueRef
 153 lp_build_rcp(struct lp_build_context *bld,
 154              LLVMValueRef a);
 155
 156 LLVMValueRef
 157 lp_build_rsqrt(struct lp_build_context *bld,
 158                LLVMValueRef a);
 159
 160 LLVMValueRef
 161 lp_build_cos(struct lp_build_context *bld,
 162              LLVMValueRef a);
 163
 164 LLVMValueRef
 165 lp_build_sin(struct lp_build_context *bld,
 166              LLVMValueRef a);
 167
 168 LLVMValueRef
 169 lp_build_pow(struct lp_build_context *bld,
 170              LLVMValueRef a,
 171              LLVMValueRef b);
 172
 173 LLVMValueRef
 174 lp_build_exp(struct lp_build_context *bld,
 175              LLVMValueRef a);
 176
 177 LLVMValueRef
 178 lp_build_log(struct lp_build_context *bld,
 179              LLVMValueRef a);
 180
 181 LLVMValueRef
 182 lp_build_exp2(struct lp_build_context *bld,
 183               LLVMValueRef a);
 184
 185 LLVMValueRef
 186 lp_build_log2(struct lp_build_context *bld,
 187               LLVMValueRef a);
 188
 189 void
 190 lp_build_exp2_approx(struct lp_build_context *bld,
 191                      LLVMValueRef x,
 192                      LLVMValueRef *p_exp2_int_part,
 193                      LLVMValueRef *p_frac_part,
 194                      LLVMValueRef *p_exp2);
 195
 196 void
 197 lp_build_log2_approx(struct lp_build_context *bld,
 198                      LLVMValueRef x,
 199                      LLVMValueRef *p_exp,
 200                      LLVMValueRef *p_floor_log2,
 201                      LLVMValueRef *p_log2);
 202
 203 #endif /* !LP_BLD_ARIT_H */