src/gallium/auxiliary/gallivm/lp_bld_format.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   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,
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
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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
  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
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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 #include "gallivm/lp_bld_init.h"
  39
  40 #include "pipe/p_format.h"
  41
  42 struct util_format_description;
  43 struct lp_type;
  44 struct lp_build_context;
  45
  46
  47 /*
  48  * AoS
  49  */
  50
  51 LLVMValueRef
  52 lp_build_format_swizzle_aos(const struct util_format_description *desc,
  53                             struct lp_build_context *bld,
  54                             LLVMValueRef unswizzled);
  55
  56 LLVMValueRef
  57 lp_build_pack_rgba_aos(struct gallivm_state *gallivm,
  58                        const struct util_format_description *desc,
  59                        LLVMValueRef rgba);
  60
  61 LLVMValueRef
  62 lp_build_fetch_rgba_aos(struct gallivm_state *gallivm,
  63                         const struct util_format_description *format_desc,
  64                         struct lp_type type,
  65                         LLVMValueRef base_ptr,
  66                         LLVMValueRef offset,
  67                         LLVMValueRef i,
  68                         LLVMValueRef j);
  69
  70 LLVMValueRef
  71 lp_build_fetch_rgba_aos_array(struct gallivm_state *gallivm,
  72                         const struct util_format_description *format_desc,
  73                         struct lp_type type,
  74                         LLVMValueRef base_ptr,
  75                         LLVMValueRef offset);
  76
  77
  78 /*
  79  * SoA
  80  */
  81
  82 void
  83 lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
  84                             struct lp_build_context *bld,
  85                             const LLVMValueRef unswizzled[4],
  86                             LLVMValueRef swizzled_out[4]);
  87
  88 void
  89 lp_build_unpack_rgba_soa(struct gallivm_state *gallivm,
  90                          const struct util_format_description *format_desc,
  91                          struct lp_type type,
  92                          LLVMValueRef packed,
  93                          LLVMValueRef rgba_out[4]);
  94
  95 void
  96 lp_build_rgba8_to_f32_soa(struct gallivm_state *gallivm,
  97                           struct lp_type dst_type,
  98                           LLVMValueRef packed,
  99                           LLVMValueRef *rgba);
 100
 101 void
 102 lp_build_fetch_rgba_soa(struct gallivm_state *gallivm,
 103                         const struct util_format_description *format_desc,
 104                         struct lp_type type,
 105                         LLVMValueRef base_ptr,
 106                         LLVMValueRef offsets,
 107                         LLVMValueRef i,
 108                         LLVMValueRef j,
 109                         LLVMValueRef rgba_out[4]);
 110
 111 /*
 112  * YUV
 113  */
 114
 115
 116 LLVMValueRef
 117 lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm,
 118                                    const struct util_format_description *format_desc,
 119                                    unsigned n,
 120                                    LLVMValueRef base_ptr,
 121                                    LLVMValueRef offset,
 122                                    LLVMValueRef i,
 123                                    LLVMValueRef j);
 124
 125 #endif /* !LP_BLD_FORMAT_H */