1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #ifndef LP_BLD_BLEND_H
29 #define LP_BLD_BLEND_H
32 #include "gallivm/lp_bld.h"
33 #include "gallivm/lp_bld_init.h"
35 #include "pipe/p_format.h"
38 struct pipe_blend_state
;
40 struct lp_build_context
;
41 struct lp_build_mask_context
;
45 lp_build_blend(struct lp_build_context
*bld
,
51 LLVMValueRef src_factor
,
52 LLVMValueRef dst_factor
,
53 boolean not_alpha_dependent
,
54 boolean optimise_only
);
58 lp_build_blend_aos(struct gallivm_state
*gallivm
,
59 const struct pipe_blend_state
*blend
,
60 enum pipe_format cbuf_format
,
64 LLVMValueRef src_alpha
,
66 LLVMValueRef src1_alpha
,
70 LLVMValueRef const_alpha
,
71 const unsigned char swizzle
[4],
78 * src/dst parameters are packed values. It should work regardless the inputs
79 * are scalars, or a vector.
82 lp_build_logicop(LLVMBuilderRef builder
,
83 unsigned logicop_func
,
89 lp_build_blend_func(struct lp_build_context
*bld
,
96 lp_build_blend_func_reverse(unsigned rgb_func
,
101 lp_build_blend_func_commutative(unsigned func
);
104 lp_build_alpha_to_coverage(struct gallivm_state
*gallivm
,
106 struct lp_build_mask_context
*mask
,
110 #endif /* !LP_BLD_BLEND_H */