c49d9167231d085ac1fbd7a6211572a7382f9248
1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
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26 **************************************************************************/
30 * Helper functions for swizzling/shuffling.
32 * @author Jose Fonseca <jfonseca@vmware.com>
36 #ifndef LP_BLD_SWIZZLE_H
37 #define LP_BLD_SWIZZLE_H
40 #include "gallivm/lp_bld.h"
44 struct lp_build_context
;
47 #define LP_BLD_SWIZZLE_DONTCARE 0xFF
51 lp_build_broadcast(struct gallivm_state
*gallivm
,
57 lp_build_broadcast_scalar(struct lp_build_context
*bld
,
62 lp_build_extract_broadcast(struct gallivm_state
*gallivm
,
63 struct lp_type src_type
,
64 struct lp_type dst_type
,
70 * Broadcast one channel of a vector composed of arrays of XYZW structures into
74 lp_build_swizzle_scalar_aos(struct lp_build_context
*bld
,
80 * Swizzle a vector consisting of an array of XYZW structs.
82 * @param swizzles is the in [0,4[ range.
85 lp_build_swizzle_aos(struct lp_build_context
*bld
,
87 const unsigned char swizzles
[4]);
91 lp_build_swizzle_soa_channel(struct lp_build_context
*bld
,
92 const LLVMValueRef
*unswizzled
,
97 lp_build_swizzle_soa(struct lp_build_context
*bld
,
98 const LLVMValueRef
*unswizzled
,
99 const unsigned char swizzles
[4],
100 LLVMValueRef
*swizzled
);
104 lp_build_swizzle_soa_inplace(struct lp_build_context
*bld
,
105 LLVMValueRef
*values
,
106 const unsigned char swizzles
[4]);
110 lp_build_transpose_aos(struct gallivm_state
*gallivm
,
112 const LLVMValueRef src
[4],
113 LLVMValueRef dst
[4]);
117 lp_build_pack_aos_scalars(struct gallivm_state
*gallivm
,
118 struct lp_type src_type
,
119 struct lp_type dst_type
,
120 const LLVMValueRef src
,
125 lp_build_unpack_broadcast_aos_scalars(struct gallivm_state
*gallivm
,
126 struct lp_type src_type
,
127 struct lp_type dst_type
,
128 const LLVMValueRef src
);
131 #endif /* !LP_BLD_SWIZZLE_H */