jcgray-sse2.asm 3.2 KB

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  1. ;
  2. ; jcgray.asm - grayscale colorspace conversion (64-bit SSE2)
  3. ;
  4. ; Copyright (C) 2011, 2016, D. R. Commander.
  5. ;
  6. ; Based on the x86 SIMD extension for IJG JPEG library
  7. ; Copyright (C) 1999-2006, MIYASAKA Masaru.
  8. ; For conditions of distribution and use, see copyright notice in jsimdext.inc
  9. ;
  10. ; This file should be assembled with NASM (Netwide Assembler),
  11. ; can *not* be assembled with Microsoft's MASM or any compatible
  12. ; assembler (including Borland's Turbo Assembler).
  13. ; NASM is available from http://nasm.sourceforge.net/ or
  14. ; http://sourceforge.net/project/showfiles.php?group_id=6208
  15. %include "jsimdext.inc"
  16. ; --------------------------------------------------------------------------
  17. %define SCALEBITS 16
  18. F_0_114 equ 7471 ; FIX(0.11400)
  19. F_0_250 equ 16384 ; FIX(0.25000)
  20. F_0_299 equ 19595 ; FIX(0.29900)
  21. F_0_587 equ 38470 ; FIX(0.58700)
  22. F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000)
  23. ; --------------------------------------------------------------------------
  24. SECTION SEG_CONST
  25. alignz 32
  26. GLOBAL_DATA(jconst_rgb_gray_convert_sse2)
  27. EXTN(jconst_rgb_gray_convert_sse2):
  28. PW_F0299_F0337 times 4 dw F_0_299, F_0_337
  29. PW_F0114_F0250 times 4 dw F_0_114, F_0_250
  30. PD_ONEHALF times 4 dd (1 << (SCALEBITS - 1))
  31. alignz 32
  32. ; --------------------------------------------------------------------------
  33. SECTION SEG_TEXT
  34. BITS 64
  35. %include "jcgryext-sse2.asm"
  36. %undef RGB_RED
  37. %undef RGB_GREEN
  38. %undef RGB_BLUE
  39. %undef RGB_PIXELSIZE
  40. %define RGB_RED EXT_RGB_RED
  41. %define RGB_GREEN EXT_RGB_GREEN
  42. %define RGB_BLUE EXT_RGB_BLUE
  43. %define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
  44. %define jsimd_rgb_gray_convert_sse2 jsimd_extrgb_gray_convert_sse2
  45. %include "jcgryext-sse2.asm"
  46. %undef RGB_RED
  47. %undef RGB_GREEN
  48. %undef RGB_BLUE
  49. %undef RGB_PIXELSIZE
  50. %define RGB_RED EXT_RGBX_RED
  51. %define RGB_GREEN EXT_RGBX_GREEN
  52. %define RGB_BLUE EXT_RGBX_BLUE
  53. %define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
  54. %define jsimd_rgb_gray_convert_sse2 jsimd_extrgbx_gray_convert_sse2
  55. %include "jcgryext-sse2.asm"
  56. %undef RGB_RED
  57. %undef RGB_GREEN
  58. %undef RGB_BLUE
  59. %undef RGB_PIXELSIZE
  60. %define RGB_RED EXT_BGR_RED
  61. %define RGB_GREEN EXT_BGR_GREEN
  62. %define RGB_BLUE EXT_BGR_BLUE
  63. %define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
  64. %define jsimd_rgb_gray_convert_sse2 jsimd_extbgr_gray_convert_sse2
  65. %include "jcgryext-sse2.asm"
  66. %undef RGB_RED
  67. %undef RGB_GREEN
  68. %undef RGB_BLUE
  69. %undef RGB_PIXELSIZE
  70. %define RGB_RED EXT_BGRX_RED
  71. %define RGB_GREEN EXT_BGRX_GREEN
  72. %define RGB_BLUE EXT_BGRX_BLUE
  73. %define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
  74. %define jsimd_rgb_gray_convert_sse2 jsimd_extbgrx_gray_convert_sse2
  75. %include "jcgryext-sse2.asm"
  76. %undef RGB_RED
  77. %undef RGB_GREEN
  78. %undef RGB_BLUE
  79. %undef RGB_PIXELSIZE
  80. %define RGB_RED EXT_XBGR_RED
  81. %define RGB_GREEN EXT_XBGR_GREEN
  82. %define RGB_BLUE EXT_XBGR_BLUE
  83. %define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
  84. %define jsimd_rgb_gray_convert_sse2 jsimd_extxbgr_gray_convert_sse2
  85. %include "jcgryext-sse2.asm"
  86. %undef RGB_RED
  87. %undef RGB_GREEN
  88. %undef RGB_BLUE
  89. %undef RGB_PIXELSIZE
  90. %define RGB_RED EXT_XRGB_RED
  91. %define RGB_GREEN EXT_XRGB_GREEN
  92. %define RGB_BLUE EXT_XRGB_BLUE
  93. %define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
  94. %define jsimd_rgb_gray_convert_sse2 jsimd_extxrgb_gray_convert_sse2
  95. %include "jcgryext-sse2.asm"