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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 VMware, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     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
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 /**
     29  * @file
     30  * Helper functions for packing/unpacking conversions.
     31  *
     32  * @author Jose Fonseca <jfonseca (at) 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 
     62 void
     63 lp_build_unpack2(struct gallivm_state *gallivm,
     64                  struct lp_type src_type,
     65                  struct lp_type dst_type,
     66                  LLVMValueRef src,
     67                  LLVMValueRef *dst_lo,
     68                  LLVMValueRef *dst_hi);
     69 
     70 
     71 void
     72 lp_build_unpack(struct gallivm_state *gallivm,
     73                 struct lp_type src_type,
     74                 struct lp_type dst_type,
     75                 LLVMValueRef src,
     76                 LLVMValueRef *dst, unsigned num_dsts);
     77 
     78 LLVMValueRef
     79 lp_build_extract_range(struct gallivm_state *gallivm,
     80                        LLVMValueRef src,
     81                        unsigned start,
     82                        unsigned size);
     83 
     84 LLVMValueRef
     85 lp_build_concat(struct gallivm_state *gallivm,
     86                 LLVMValueRef src[],
     87                 struct lp_type src_type,
     88                 unsigned num_vectors);
     89 
     90 LLVMValueRef
     91 lp_build_packs2(struct gallivm_state *gallivm,
     92                 struct lp_type src_type,
     93                 struct lp_type dst_type,
     94                 LLVMValueRef lo,
     95                 LLVMValueRef hi);
     96 
     97 
     98 LLVMValueRef
     99 lp_build_pack2(struct gallivm_state *gallivm,
    100                struct lp_type src_type,
    101                struct lp_type dst_type,
    102                LLVMValueRef lo,
    103                LLVMValueRef hi);
    104 
    105 
    106 LLVMValueRef
    107 lp_build_pack(struct gallivm_state *gallivm,
    108               struct lp_type src_type,
    109               struct lp_type dst_type,
    110               boolean clamped,
    111               const LLVMValueRef *src, unsigned num_srcs);
    112 
    113 
    114 void
    115 lp_build_resize(struct gallivm_state *gallivm,
    116                 struct lp_type src_type,
    117                 struct lp_type dst_type,
    118                 const LLVMValueRef *src, unsigned num_srcs,
    119                 LLVMValueRef *dst, unsigned num_dsts);
    120 
    121 
    122 LLVMValueRef
    123 lp_build_pad_vector(struct gallivm_state *gallivm,
    124                     LLVMValueRef src,
    125                     struct lp_type src_type,
    126                     unsigned dst_length);
    127 
    128 #endif /* !LP_BLD_PACK_H */
    129