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5361 serge 1
/*
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 * Copyright © 2009 Intel Corporation
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 *
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 * Author:
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 *    Zou Nan hai 
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 *    Yan Li 
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 *    Liu Xi bin
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 */
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/* GRF allocation:
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   g1~g30: constant buffer
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           g1~g2:intra IQ matrix
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           g3~g4:non intra IQ matrix
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           g5~g20:IDCT table
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   g31:    thread payload
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   g58~g81:reference data
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   g82:    thread payload backup
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   g83~g106:IDCT data
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   g115:   message descriptor for reading reference data   */
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mov (1) g115.8<1>UD 0x7000FUD {align1}; // 8*16/32=4
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send (16) 0 g40.0<1>UW g115<16,8,1>UW read(surface_u, 2, 0, 2) mlen 1 rlen 4 {align1};//U
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send (16) 0 g45.0<1>UW g115<16,8,1>UW read(surface_v, 2, 0, 2) mlen 1 rlen 4 {align1};//V
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mov (16) g32.0<1>UW g40.0<16,8,1>UB {align1};
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mov (16) g33.0<1>UW g41.0<16,8,1>UB {align1};
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mov (16) g34.0<1>UW g42.0<16,8,1>UB {align1};
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mov (16) g35.0<1>UW g43.0<16,8,1>UB {align1};
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mov (16) g36.0<1>UW g45.0<16,8,1>UB {align1};
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mov (16) g37.0<1>UW g46.0<16,8,1>UB {align1};
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mov (16) g38.0<1>UW g47.0<16,8,1>UB {align1};
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mov (16) g39.0<1>UW g48.0<16,8,1>UB {align1};