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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@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