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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  * Alpha testing to LLVM IR translation.
     30  *
     31  * @author Jose Fonseca <jfonseca (at) vmware.com>
     32  */
     33 
     34 #ifndef LP_BLD_ALPHA_H
     35 #define LP_BLD_ALPHA_H
     36 
     37 #include "pipe/p_compiler.h"
     38 
     39 #include "gallivm/lp_bld.h"
     40 
     41 struct pipe_alpha_state;
     42 struct util_format_description;
     43 struct gallivm_state;
     44 struct lp_type;
     45 struct lp_build_mask_context;
     46 
     47 
     48 void
     49 lp_build_alpha_test(struct gallivm_state *gallivm,
     50                     unsigned func,
     51                     struct lp_type type,
     52                     const struct util_format_description *cbuf_format_desc,
     53                     struct lp_build_mask_context *mask,
     54                     LLVMValueRef alpha,
     55                     LLVMValueRef ref,
     56                     boolean do_branch);
     57 
     58 
     59 #endif /* !LP_BLD_ALPHA_H */
     60