src/gallium/auxiliary/gallivm/lp_bld_pack.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
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   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
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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 functions for packing/unpacking conversions.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.com>
  33  */
  34
  35
  36 #ifndef LP_BLD_PACK_H
  37 #define LP_BLD_PACK_H
  38
  39
  40 #include "pipe/p_compiler.h"
  41
  42 #include "gallivm/lp_bld.h"
  43
  44
  45 struct lp_type;
  46
  47 LLVMValueRef
  48 lp_build_interleave2_half(struct gallivm_state *gallivm,
  49                      struct lp_type type,
  50                      LLVMValueRef a,
  51                      LLVMValueRef b,
  52                      unsigned lo_hi);
  53
  54 LLVMValueRef
  55 lp_build_interleave2(struct gallivm_state *gallivm,
  56                      struct lp_type type,
  57                      LLVMValueRef a,
  58                      LLVMValueRef b,
  59                      unsigned lo_hi);
  60
  61 LLVMValueRef
  62 lp_build_uninterleave1(struct gallivm_state *gallivm,
  63                        unsigned num_elems,
  64                        LLVMValueRef a,
  65                        unsigned lo_hi);
  66
  67 void
  68 lp_build_unpack2(struct gallivm_state *gallivm,
  69                  struct lp_type src_type,
  70                  struct lp_type dst_type,
  71                  LLVMValueRef src,
  72                  LLVMValueRef *dst_lo,
  73                  LLVMValueRef *dst_hi);
  74
  75
  76 void
  77 lp_build_unpack(struct gallivm_state *gallivm,
  78                 struct lp_type src_type,
  79                 struct lp_type dst_type,
  80                 LLVMValueRef src,
  81                 LLVMValueRef *dst, unsigned num_dsts);
  82
  83 LLVMValueRef
  84 lp_build_extract_range(struct gallivm_state *gallivm,
  85                        LLVMValueRef src,
  86                        unsigned start,
  87                        unsigned size);
  88
  89 LLVMValueRef
  90 lp_build_concat(struct gallivm_state *gallivm,
  91                 LLVMValueRef src[],
  92                 struct lp_type src_type,
  93                 unsigned num_vectors);
  94
  95 int
  96 lp_build_concat_n(struct gallivm_state *gallivm,
  97                   struct lp_type src_type,
  98                   LLVMValueRef *src,
  99                   unsigned num_srcs,
 100                   LLVMValueRef *dst,
 101                   unsigned num_dsts);
 102
 103
 104 LLVMValueRef
 105 lp_build_packs2(struct gallivm_state *gallivm,
 106                 struct lp_type src_type,
 107                 struct lp_type dst_type,
 108                 LLVMValueRef lo,
 109                 LLVMValueRef hi);
 110
 111
 112 LLVMValueRef
 113 lp_build_pack2(struct gallivm_state *gallivm,
 114                struct lp_type src_type,
 115                struct lp_type dst_type,
 116                LLVMValueRef lo,
 117                LLVMValueRef hi);
 118
 119
 120 LLVMValueRef
 121 lp_build_pack(struct gallivm_state *gallivm,
 122               struct lp_type src_type,
 123               struct lp_type dst_type,
 124               boolean clamped,
 125               const LLVMValueRef *src, unsigned num_srcs);
 126
 127
 128 void
 129 lp_build_resize(struct gallivm_state *gallivm,
 130                 struct lp_type src_type,
 131                 struct lp_type dst_type,
 132                 const LLVMValueRef *src, unsigned num_srcs,
 133                 LLVMValueRef *dst, unsigned num_dsts);
 134
 135
 136 LLVMValueRef
 137 lp_build_pad_vector(struct gallivm_state *gallivm,
 138                     LLVMValueRef src,
 139                     unsigned dst_length);
 140
 141 #endif /* !LP_BLD_PACK_H */