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28 #ifndef LP_BLD_BLEND_H
29 #define LP_BLD_BLEND_H
34 * LLVM IR building helpers interfaces.
36 * We use LLVM-C bindings for now. They are not documented, but follow the C++
37 * interfaces very closely, and appear to be complete enough for code
39 * http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html
40 * for a standalone example.
43 #include <llvm-c/Core.h>
45 #include "pipe/p_format.h"
48 struct pipe_blend_state
;
50 struct lp_build_context
;
54 * Whether the blending function is commutative or not.
57 lp_build_blend_func_commutative(unsigned func
);
61 * Whether the blending functions are the reverse of each other.
64 lp_build_blend_func_reverse(unsigned rgb_func
, unsigned alpha_func
);
68 lp_build_blend_func(struct lp_build_context
*bld
,
75 lp_build_blend_aos(LLVMBuilderRef builder
,
76 const struct pipe_blend_state
*blend
,
81 unsigned alpha_swizzle
);
85 lp_build_blend_soa(LLVMBuilderRef builder
,
86 const struct pipe_blend_state
*blend
,
90 LLVMValueRef const_
[4],
97 * src/dst parameters are packed values. It should work regardless the inputs
98 * are scalars, or a vector.
101 lp_build_logicop(LLVMBuilderRef builder
,
102 unsigned logicop_func
,
107 #endif /* !LP_BLD_BLEND_H */