src/gallium/auxiliary/gallivm/lp_bld_format.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
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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.
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  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 struct lp_build_context;
  44
  45
  46 /*
  47  * AoS
  48  */
  49
  50 LLVMValueRef
  51 lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
  52                          const struct util_format_description *desc,
  53                          LLVMValueRef packed);
  54
  55 LLVMValueRef
  56 lp_build_pack_rgba_aos(LLVMBuilderRef builder,
  57                        const struct util_format_description *desc,
  58                        LLVMValueRef rgba);
  59
  60 LLVMValueRef
  61 lp_build_fetch_rgba_aos(LLVMBuilderRef builder,
  62                         const struct util_format_description *format_desc,
  63                         LLVMValueRef ptr,
  64                         LLVMValueRef i,
  65                         LLVMValueRef j);
  66
  67
  68 /*
  69  * SoA
  70  */
  71
  72 void
  73 lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
  74                             struct lp_build_context *bld,
  75                             const LLVMValueRef *unswizzled,
  76                             LLVMValueRef swizzled_out[4]);
  77
  78 void
  79 lp_build_unpack_rgba_soa(LLVMBuilderRef builder,
  80                          const struct util_format_description *format_desc,
  81                          struct lp_type type,
  82                          LLVMValueRef packed,
  83                          LLVMValueRef rgba_out[4]);
  84
  85
  86 void
  87 lp_build_fetch_rgba_soa(LLVMBuilderRef builder,
  88                         const struct util_format_description *format_desc,
  89                         struct lp_type type,
  90                         LLVMValueRef base_ptr,
  91                         LLVMValueRef offsets,
  92                         LLVMValueRef i,
  93                         LLVMValueRef j,
  94                         LLVMValueRef rgba_out[4]);
  95
  96
  97 #endif /* !LP_BLD_FORMAT_H */