src/gallium/auxiliary/gallivm/lp_bld_conv.h

   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,
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  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.
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  25  *
  26  **************************************************************************/
  27
  28 /**
  29  * @file
  30  * Helper functions for type conversions.
  31  *
  32  * @author Jose Fonseca <jfonseca@vmware.com>
  33  */
  34
  35
  36 #ifndef LP_BLD_CONV_H
  37 #define LP_BLD_CONV_H
  38
  39
  40 #include "gallivm/lp_bld.h"
  41
  42
  43 struct lp_type;
  44
  45 LLVMValueRef
  46 lp_build_bswap(struct gallivm_state *gallivm,
  47                LLVMValueRef res,
  48                struct lp_type type);
  49
  50 LLVMValueRef
  51 lp_build_bswap_vec(struct gallivm_state *gallivm,
  52                    LLVMValueRef packed,
  53                    struct lp_type src_type,
  54                    struct lp_type dst_type);
  55
  56 LLVMValueRef
  57 lp_build_half_to_float(struct gallivm_state *gallivm,
  58                        LLVMValueRef src);
  59
  60 LLVMValueRef
  61 lp_build_float_to_half(struct gallivm_state *gallivm,
  62                        LLVMValueRef src);
  63
  64 LLVMValueRef
  65 lp_build_clamped_float_to_unsigned_norm(struct gallivm_state *gallivm,
  66                                         struct lp_type src_type,
  67                                         unsigned dst_width,
  68                                         LLVMValueRef src);
  69
  70 LLVMValueRef
  71 lp_build_unsigned_norm_to_float(struct gallivm_state *gallivm,
  72                                 unsigned src_width,
  73                                 struct lp_type dst_type,
  74                                 LLVMValueRef src);
  75
  76
  77 void
  78 lp_build_conv(struct gallivm_state *gallivm,
  79               struct lp_type src_type,
  80               struct lp_type dst_type,
  81               const LLVMValueRef *srcs, unsigned num_srcs,
  82               LLVMValueRef *dsts, unsigned num_dsts);
  83
  84
  85 int
  86 lp_build_conv_auto(struct gallivm_state *gallivm,
  87                    struct lp_type src_type,
  88                    struct lp_type* dst_type,
  89                    const LLVMValueRef *src,
  90                    unsigned num_srcs,
  91                    LLVMValueRef *dst);
  92
  93
  94 void
  95 lp_build_conv_mask(struct gallivm_state *gallivm,
  96                    struct lp_type src_type,
  97                    struct lp_type dst_type,
  98                    const LLVMValueRef *src, unsigned num_srcs,
  99                    LLVMValueRef *dst, unsigned num_dsts);
 100
 101 #endif /* !LP_BLD_CONV_H */