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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * Copyright © <2010>, Intel Corporation. |
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| 3 | * |
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| 4 | * This program is licensed under the terms and conditions of the |
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| 5 | * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
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| 6 | * http://www.opensource.org/licenses/eclipse-1.0.php. |
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| 7 | * |
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| 8 | */ |
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| 9 | // Module name: loadNV12_16x16T.asm |
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| 10 | // |
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| 11 | // Load and transpose NV12 16x16 block |
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| 12 | // |
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| 13 | //---------------------------------------------------------------- |
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| 14 | // Symbols need to be defined before including this module |
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| 15 | // |
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| 16 | // Source region in :ud |
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| 17 | // SRC_YD: SRC_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 8 GRFs |
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| 18 | // SRC_UD: SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud (U+V for NV12) // 4 GRFs |
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| 19 | // |
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| 20 | // Source region is :ub. The same region as :ud region |
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| 21 | // SRC_YB: SRC_YB Base=rxx ElementSize=1 SrcRegion=REGION(16,1) Type=ub // 8 GRFs |
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| 22 | // SRC_UB: SRC_UB Base=rxx ElementSize=1 SrcRegion=REGION(16,1) Type=ub // 2 GRFs |
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| 23 | // SRC_VB: SRC_VB Base=rxx ElementSize=1 SrcRegion=REGION(16,1) Type=ub // 2 GRFs |
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| 24 | // |
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| 25 | // Binding table index: |
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| 26 | // BI_SRC_Y: Binding table index of Y surface |
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| 27 | // BI_SRC_UV: Binding table index of UV surface (NV12) |
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| 28 | // |
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| 29 | // Temp buffer: |
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| 30 | // BUF_B: BUF_B Base=rxx ElementSize=1 SrcRegion=REGION(16,1) Type=ub |
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| 31 | // |
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| 32 | //---------------------------------------------------------------- |
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| 33 | |||
| 34 | #if defined(_DEBUG) |
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| 35 | mov (1) EntrySignatureC:w 0xDDD1:w |
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| 36 | #endif |
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| 37 | |||
| 38 | // Read Y |
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| 39 | mov (2) MSGSRC.0<1>:ud ORIX_CUR<2;2,1>:w // Block origin |
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| 40 | mov (1) MSGSRC.2<1>:ud 0x000F000F:ud // Block width and height (16x16) |
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| 41 | send (8) SRC_YD(0)<1> MSGHDRY MSGSRC<8;8,1>:ud DAPREAD RESP_LEN(8)+DWBRMSGDSC_RC+BI_SRC_Y // Read 8 GRFs |
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| 42 | |||
| 43 | // Read U+V |
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| 44 | asr (1) MSGSRC.1:ud MSGSRC.1:ud 1:w // NV12 U+V block origin y = half of Y comp |
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| 45 | mov (1) MSGSRC.2<1>:ud 0x0007000F:ud // NV12 U+V block width and height (16x8) |
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| 46 | send (8) SRC_UD(0)<1> MSGHDRU MSGSRC<8;8,1>:ud DAPREAD RESP_LEN(4)+DWBRMSGDSC_RC+BI_SRC_UV // Read 4 GRFs |
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| 47 | |||
| 48 | #include "TransposeNV12_16x16.asm" |
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| 49 | |||
| 50 | // #include "Transpose_Y_16x16.asm" |
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| 51 | // #include "Transpose_NV12_UV_16x8.asm" |
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| 52 | |||
| 53 | // End of loadNV12_16x16T |