src/gallium/auxiliary/gallivm/lp_bld_format.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
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   5  *
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  14  * The above copyright notice and this permission notice (including the
  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
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  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
  71 /*
  72  * SoA
  73  */
  74
  75 void
  76 lp_build_format_swizzle_soa(const struct util_format_description *format_desc,
  77                             struct lp_build_context *bld,
  78                             const LLVMValueRef unswizzled[4],
  79                             LLVMValueRef swizzled_out[4]);
  80
  81 void
  82 lp_build_unpack_rgba_soa(struct gallivm_state *gallivm,
  83                          const struct util_format_description *format_desc,
  84                          struct lp_type type,
  85                          LLVMValueRef packed,
  86                          LLVMValueRef rgba_out[4]);
  87
  88 void
  89 lp_build_rgba8_to_f32_soa(struct gallivm_state *gallivm,
  90                           struct lp_type dst_type,
  91                           LLVMValueRef packed,
  92                           LLVMValueRef *rgba);
  93
  94 void
  95 lp_build_fetch_rgba_soa(struct gallivm_state *gallivm,
  96                         const struct util_format_description *format_desc,
  97                         struct lp_type type,
  98                         LLVMValueRef base_ptr,
  99                         LLVMValueRef offsets,
 100                         LLVMValueRef i,
 101                         LLVMValueRef j,
 102                         LLVMValueRef rgba_out[4]);
 103
 104 /*
 105  * YUV
 106  */
 107
 108
 109 LLVMValueRef
 110 lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm,
 111                                    const struct util_format_description *format_desc,
 112                                    unsigned n,
 113                                    LLVMValueRef base_ptr,
 114                                    LLVMValueRef offset,
 115                                    LLVMValueRef i,
 116                                    LLVMValueRef j);
 117
 118 #endif /* !LP_BLD_FORMAT_H */