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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 forward
  45. asr (2) g31.14<1>W g82.16<2,2,1>W 1W {align1};
  46. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  47. mov (1) g32.28<1>UD 0UD {align1};
  48. and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1};             //motion vertical field select
  49. (f0) mov (1) g32.28<1>UD 1UD {align1};
  50. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  51. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  52. define(`surface',`4')
  53. define(`mv1',`g82.16')
  54. define(`mv2',`g82.18')
  55. include(`field_motion_y.g4i')
  56. mov (16) g108.0<1>UD g58.0<16,16,1>UD {align1 compr};
  57. mov (16) g110.0<1>UD g60.0<16,16,1>UD {align1 compr};
  58. mov (16) g112.0<1>UD g62.0<16,16,1>UD {align1 compr};
  59. mov (16) g114.0<1>UD g64.0<16,16,1>UD {align1 compr};
  60. mov (16) g116.0<1>UD g66.0<16,16,1>UD {align1 compr};
  61. mov (16) g118.0<1>UD g68.0<16,16,1>UD {align1 compr};
  62. mov (16) g120.0<1>UD g70.0<16,16,1>UD {align1 compr};
  63. mov (16) g122.0<1>UD g72.0<16,16,1>UD {align1 compr};
  64.  
  65. //Y of backward
  66. asr (2) g31.14<1>W g82.20<2,2,1>W 1W {align1};
  67. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  68. mov (1) g32.28<1>UD 0UD {align1};
  69. and.nz (1) null g82.2<1,1,1>UW 0x2000UW {align1};             //motion vertical field select
  70. (f0) mov (1) g32.28<1>UD 1UD {align1};
  71. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  72. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  73. define(`surface',`7')
  74. define(`mv1',`g82.20')
  75. define(`mv2',`g82.22')
  76. include(`field_motion_y.g4i')
  77. avg (16) g58.0<1>UW g58.0<16,16,1>UW g108.0<16,16,1>UW {align1};
  78. avg (16) g59.0<1>UW g59.0<16,16,1>UW g109.0<16,16,1>UW {align1};
  79. avg (16) g60.0<1>UW g60.0<16,16,1>UW g110.0<16,16,1>UW {align1};
  80. avg (16) g61.0<1>UW g61.0<16,16,1>UW g111.0<16,16,1>UW {align1};
  81. avg (16) g62.0<1>UW g62.0<16,16,1>UW g112.0<16,16,1>UW {align1};
  82. avg (16) g63.0<1>UW g63.0<16,16,1>UW g113.0<16,16,1>UW {align1};
  83. avg (16) g64.0<1>UW g64.0<16,16,1>UW g114.0<16,16,1>UW {align1};
  84. avg (16) g65.0<1>UW g65.0<16,16,1>UW g115.0<16,16,1>UW {align1};
  85. avg (16) g66.0<1>UW g66.0<16,16,1>UW g116.0<16,16,1>UW {align1};
  86. avg (16) g67.0<1>UW g67.0<16,16,1>UW g117.0<16,16,1>UW {align1};
  87. avg (16) g68.0<1>UW g68.0<16,16,1>UW g118.0<16,16,1>UW {align1};
  88. avg (16) g69.0<1>UW g69.0<16,16,1>UW g119.0<16,16,1>UW {align1};
  89. avg (16) g70.0<1>UW g70.0<16,16,1>UW g120.0<16,16,1>UW {align1};
  90. avg (16) g71.0<1>UW g71.0<16,16,1>UW g121.0<16,16,1>UW {align1};
  91. avg (16) g72.0<1>UW g72.0<16,16,1>UW g122.0<16,16,1>UW {align1};
  92. avg (16) g73.0<1>UW g73.0<16,16,1>UW g123.0<16,16,1>UW {align1};
  93.  
  94. //UV, Forward
  95. shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
  96. asr (2) g31.14<1>W g82.16<2,2,1>W 2W {align1};
  97. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  98. mov (1) g32.28<1>UD 0UD {align1};
  99. and.nz (1) null g82.2<1,1,1>UW 0x1000UW {align1};             //motion vertical field select
  100. (f0) mov (1) g32.28<1>UD 1UD {align1};
  101. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  102. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  103. define(`surface_u', `5')
  104. define(`surface_v', `6')
  105. define(`mv1',`g82.16')
  106. define(`mv2',`g82.18')
  107. include(`field_motion_uv.g4i')
  108. //Save UV Forward
  109. mov (16) g108.0<1>UD g74.0<16,16,1>UD {align1 compr};
  110. mov (16) g110.0<1>UD g76.0<16,16,1>UD {align1 compr};
  111. mov (16) g112.0<1>UD g78.0<16,16,1>UD {align1 compr};
  112. mov (16) g114.0<1>UD g80.0<16,16,1>UD {align1 compr};
  113.  
  114. //UV, Backward
  115. asr (2) g31.14<1>W g82.20<2,2,1>W 2W {align1};
  116. add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
  117. mov (1) g32.28<1>UD 0UD {align1};
  118. and.nz (1) null g82.2<1,1,1>UW 0x2000UW {align1};             //motion vertical field select
  119. (f0) mov (1) g32.28<1>UD 1UD {align1};
  120. shl (1) g32.4<1>UD g32.4<1,1,1>UD 1UD {align1};
  121. add (1) g32.4<1>UD g32.4<1,1,1>UD g32.28<1,1,1>UD {align1};
  122. define(`surface_u', `8')
  123. define(`surface_v', `9')
  124. define(`mv1',`g82.20')
  125. define(`mv2',`g82.22')
  126. include(`field_motion_uv.g4i')
  127. //Average Forward and Backward
  128. avg (16) g74.0<1>UW g74.0<16,16,1>UW g108.0<16,16,1>UW {align1};
  129. avg (16) g75.0<1>UW g75.0<16,16,1>UW g109.0<16,16,1>UW {align1};
  130. avg (16) g76.0<1>UW g76.0<16,16,1>UW g110.0<16,16,1>UW {align1};
  131. avg (16) g77.0<1>UW g77.0<16,16,1>UW g111.0<16,16,1>UW {align1};
  132. avg (16) g78.0<1>UW g78.0<16,16,1>UW g112.0<16,16,1>UW {align1};
  133. avg (16) g79.0<1>UW g79.0<16,16,1>UW g113.0<16,16,1>UW {align1};
  134. avg (16) g80.0<1>UW g80.0<16,16,1>UW g114.0<16,16,1>UW {align1};
  135. avg (16) g81.0<1>UW g81.0<16,16,1>UW g115.0<16,16,1>UW {align1};
  136.  
  137. field_addidct:
  138. include(`field_addidct.g4i')
  139. out:
  140. send (16) 0 acc0<1>UW g0<8,8,1>UW
  141.         thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
  142.