src/gallium/auxiliary/gallivm/lp_bld_format.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
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   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  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
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  25  *
  26  **************************************************************************/
  27
  28 #ifndef LP_BLD_FORMAT_H
  29 #define LP_BLD_FORMAT_H
  30
  31
  32 /**
  33  * @file
  34  * Pixel format helpers.
  35  */
  36
  37 #include "gallivm/lp_bld.h"
  38
  39 #include "pipe/p_format.h"
  40
  41 struct util_format_description;
  42 struct lp_type;
  43
  44
  45 /*
  46  * AoS
  47  */
  48
  49 LLVMValueRef
  50 lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
  51                          const struct util_format_description *desc,
  52                          LLVMValueRef packed);
  53
  54 LLVMValueRef
  55 lp_build_pack_rgba_aos(LLVMBuilderRef builder,
  56                        const struct util_format_description *desc,
  57                        LLVMValueRef rgba);
  58
  59 LLVMValueRef
  60 lp_build_fetch_rgba_aos(LLVMBuilderRef builder,
  61                         const struct util_format_description *format_desc,
  62                         LLVMValueRef ptr,
  63                         LLVMValueRef i,
  64                         LLVMValueRef j);
  65
  66
  67 /*
  68  * SoA
  69  */
  70
  71 void
  72 lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
  73                             struct lp_type type,
  74                             const LLVMValueRef *unswizzled,
  75                             LLVMValueRef *swizzled);
  76
  77 void
  78 lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
  79                          const struct util_format_description *format_desc,
  80                          struct lp_type type,
  81                          LLVMValueRef packed,
  82                          LLVMValueRef *rgba);
  83
  84
  85 void
  86 lp_build_fetch_rgba_soa(LLVMBuilderRef builder,
  87                         const struct util_format_description *format_desc,
  88                         struct lp_type type,
  89                         LLVMValueRef base_ptr,
  90                         LLVMValueRef offsets,
  91                         LLVMValueRef i,
  92                         LLVMValueRef j,
  93                         LLVMValueRef *rgba);
  94
  95
  96 #endif /* !LP_BLD_FORMAT_H */