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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 logical operations.
     31  *
     32  * @author Jose Fonseca <jfonseca (at) vmware.com>
     33  */
     34 
     35 
     36 #ifndef LP_BLD_LOGIC_H
     37 #define LP_BLD_LOGIC_H
     38 
     39 
     40 #include "gallivm/lp_bld.h"
     41 
     42 #include "pipe/p_defines.h" /* For PIPE_FUNC_xxx */
     43 
     44 
     45 struct lp_type;
     46 struct lp_build_context;
     47 
     48 
     49 LLVMValueRef
     50 lp_build_compare(struct gallivm_state *gallivm,
     51                  const struct lp_type type,
     52                  unsigned func,
     53                  LLVMValueRef a,
     54                  LLVMValueRef b);
     55 
     56 
     57 /**
     58  * @param func is one of PIPE_FUNC_xxx
     59  */
     60 LLVMValueRef
     61 lp_build_cmp(struct lp_build_context *bld,
     62              unsigned func,
     63              LLVMValueRef a,
     64              LLVMValueRef b);
     65 
     66 LLVMValueRef
     67 lp_build_select_bitwise(struct lp_build_context *bld,
     68                         LLVMValueRef mask,
     69                         LLVMValueRef a,
     70                         LLVMValueRef b);
     71 
     72 LLVMValueRef
     73 lp_build_select(struct lp_build_context *bld,
     74                 LLVMValueRef mask,
     75                 LLVMValueRef a,
     76                 LLVMValueRef b);
     77 
     78 LLVMValueRef
     79 lp_build_select_aos(struct lp_build_context *bld,
     80                     unsigned mask,
     81                     LLVMValueRef a,
     82                     LLVMValueRef b);
     83 
     84 
     85 LLVMValueRef
     86 lp_build_any_true_range(struct lp_build_context *bld,
     87                         unsigned real_length,
     88                         LLVMValueRef val);
     89 
     90 #endif /* !LP_BLD_LOGIC_H */
     91