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,
  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 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
  46 LLVMValueRef
  47 lp_build_clamped_float_to_unsigned_norm(LLVMBuilderRef builder,
  48                                         struct lp_type src_type,
  49                                         unsigned dst_width,
  50                                         LLVMValueRef src);
  51
  52 LLVMValueRef
  53 lp_build_unsigned_norm_to_float(LLVMBuilderRef builder,
  54                                 unsigned src_width,
  55                                 struct lp_type dst_type,
  56                                 LLVMValueRef src);
  57
  58
  59 void
  60 lp_build_conv(LLVMBuilderRef builder,
  61               struct lp_type src_type,
  62               struct lp_type dst_type,
  63               const LLVMValueRef *srcs, unsigned num_srcs,
  64               LLVMValueRef *dsts, unsigned num_dsts);
  65
  66 void
  67 lp_build_conv_mask(LLVMBuilderRef builder,
  68                    struct lp_type src_type,
  69                    struct lp_type dst_type,
  70                    const LLVMValueRef *src, unsigned num_srcs,
  71                    LLVMValueRef *dst, unsigned num_dsts);
  72
  73 #endif /* !LP_BLD_CONV_H */