51 lines
2.2 KiB
Text
51 lines
2.2 KiB
Text
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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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g32: message descriptor for reading reference data
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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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/*
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mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
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define(`UV_red',`0xffffffffUD')
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define(`UV_white',`0x7f7f7f7fUD')
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define(`UV_green',`0x00000000UD')
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mov(1) g31.8<1>UD 0x000f000fUD { align1 };
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mov(16) m1<1>UD 0xFFFFFFFFUD {align1 compr};
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mov(16) m3<1>UD 0xFFFFFFFFUD {align1 compr};
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mov(16) m5<1>UD 0xFFFFFFFFUD {align1 compr};
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mov(16) m7<1>UD 0xFFFFFFFFUD {align1 compr};
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send (16) 0 acc0<1>UW g31<8,8,1>UW write(0, 0, 2, 0) mlen 9 rlen 0 { align1 };
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shr (2) g31.0<1>UD g82.0<2,2,1>UD 1UW {align1};
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mov(1) g31.8<1>UD 0x00070007UD { align1 };
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mov (16) m1<1>UD UV_green {align1 compr};
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send (16) 0 acc0<1>UW g31<8,8,1>UW write(2, 0, 2, 0) mlen 3 rlen 0 { align1 };
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send (16) 0 acc0<1>UW g31<8,8,1>UW write(1, 0, 2, 0) mlen 3 rlen 0 { align1 };
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send (16) 0 acc0<1>UW g0<8,8,1>UW
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thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
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*/
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mov (8) g82.0<1>UD g31.0<8,8,1>UD {align1};
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mov (1) g126.8<1>UD ip {align1};
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add (1) ip g21.0<1,1,1>UD 0x50UD {align1}; //jump to the lib to do IDCT
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//Y, (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1)
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asr (2) g31.14<1>W g82.18<2,2,1>W 1W {align1};
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add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
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mov (1) g32.16<1>UW 1UW {align1}; //0:forward 1:backward
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mov (1) a0.0<1>UD 0x0A52UD {align1}; //g82.18,motion vector
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mov (1) g126.8<1>UD ip {align1};
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add (1) ip g21.0<1,1,1>UD 0x0UD {align1}; //jump to the lib to read reference data
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//UV, (x', y') = (x >> 1, y >> 1) + (motion_vector.x >> 2, motion_vector.y >> 2)
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shr (2) g31.0<1>UD g31.0<2,2,1>UD 1UD {align1};
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asr (2) g31.14<1>W g82.18<2,2,1>W 2W {align1};
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add (2) g32.0<1>UD g31.0<2,2,1>UD g31.14<2,2,1>W {align1};
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mov (1) g126.8<1>UD ip {align1};
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add (1) ip g21.0<1,1,1>UD 0x10UD {align1}; //jump to the lib to read reference data
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add (1) ip g21.0<1,1,1>UD 0x40UD {align1}; //jump to the lib to add the reference and idct data
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