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  1. /*
  2.  * Copyright © 2009 Intel Corporation
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21.  * SOFTWARE.
  22.  *
  23.  * Author:
  24.  *    Zou Nan hai <nanhai.zou@intel.com>
  25.  *    Yan Li <li.l.yan@intel.com>
  26.  *    Liu Xi bin<xibin.liu@intel.com>
  27.  */
  28. /* GRF allocation:
  29.    g1~g30: constant buffer
  30.            g1~g2:intra IQ matrix
  31.            g3~g4:non intra IQ matrix
  32.            g5~g20:IDCT table
  33.    g31:    thread payload
  34.    g58~g81:reference data
  35.    g82:    thread payload backup
  36.    g83~g106:IDCT data
  37.    g32:   message descriptor for reading reference data   */
  38.  
  39. mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
  40. mov (2) g31.0<1>UD g82.12<2,2,1>UW {align1};
  41. mov (1) g126.8<1>UD ip {align1};
  42. mov (1) ip g21.0<1,1,1>UD {align1};
  43.  
  44. //Y of top field
  45. first_field_picture:
  46. asr (2) g31.14<1>W g82.20<2,2,1>W 1W {align1};
  47. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  48. mov (1) g32.28<1>UD 0UD {align1};
  49. and.nz (1) null g82.2<1,1,1>UW 0x2000UW {align1};             //motion vertical field select forward
  50. (f0) mov (1) g32.28<1>UD 1UD {align1};
  51. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  52. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  53. define(`surface',`7')
  54. define(`mv1',`g82.20')
  55. define(`mv2',`g82.22')
  56. include(`field_motion_y.g4i')
  57. //UV of top field
  58. shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
  59. asr (2) g31.14<1>W g82.20<2,2,1>W 2W {align1};
  60. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  61. mov (1) g32.28<1>UD 0UD {align1};
  62. and.nz (1) null g82.2<1,1,1>UW 0x2000UW {align1};             //motion vertical field select forward
  63. (f0) mov (1) g32.28<1>UD 1UD {align1};
  64. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  65. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  66. define(`surface_u', `8')
  67. define(`surface_v', `9')
  68. define(`mv1',`g82.20')
  69. define(`mv2',`g82.22')
  70. include(`field_motion_uv.g4i')
  71. jmpi field_addidct;
  72.  
  73. second_field_picture:
  74. //Y of bottom field
  75. asr (2) g31.14<1>W g82.20<2,2,1>W 1W {align1};
  76. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  77. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  78. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  79. define(`surface',`3')
  80. define(`mv1',`g82.20')
  81. define(`mv2',`g82.22')
  82. include(`field_motion_y.g4i')
  83. //UV of bottom field
  84. shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
  85. asr (2) g31.14<1>W g82.20<2,2,1>W 2W {align1};
  86. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  87. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  88. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  89. define(`surface_u', `10')
  90. define(`surface_v', `11')
  91. define(`mv1',`g82.20')
  92. define(`mv2',`g82.22')
  93. include(`field_motion_uv.g4i')
  94.  
  95. field_addidct:
  96. include(`field_addidct.g4i')
  97. out:
  98. send (16) 0 acc0<1>UW g0<8,8,1>UW
  99.         thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
  100.