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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3769 | Serge | 1 | /* |
| 2 | * All Video Processing kernels |
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| 3 | * Copyright © <2010>, Intel Corporation. |
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| 4 | * |
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| 5 | * This program is licensed under the terms and conditions of the |
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| 6 | * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
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| 7 | * http://www.opensource.org/licenses/eclipse-1.0.php. |
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| 8 | * |
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| 9 | */ |
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| 10 | |||
| 11 | //---------- PL3_AVS_IEF_16x8.asm ---------- |
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| 12 | |||
| 13 | #include "AVS_IEF.inc" |
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| 14 | |||
| 15 | //------------------------------------------------------------------------------ |
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| 16 | // 2 sampler reads for 8x8 Y surface |
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| 17 | // 2 sampler read for 8x8 U surface |
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| 18 | // 2 sampler read for 8x8 V surface |
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| 19 | //------------------------------------------------------------------------------ |
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| 20 | |||
| 21 | // 1st 8x8 setup |
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| 22 | #include "AVS_SetupFirstBlock.asm" |
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| 23 | |||
| 24 | // 1st 8x8 Y sampling |
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| 25 | mov (1) rAVS_8x8_HDR.2:ud nAVS_GREEN_CHANNEL_ONLY:ud // Enable green channel |
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| 26 | mov (16) mAVS_8x8_HDR.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
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| 27 | send (1) uwAVS_RESPONSE(0)<1> mAVS_8x8_HDR udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y |
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| 28 | // Return Y in 4 GRFs |
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| 29 | |||
| 30 | // 1st 8x8 U sampling |
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| 31 | mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_CHANNEL_ONLY:ud // Enable red channel |
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| 32 | mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
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| 33 | send (1) uwAVS_RESPONSE(4)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_U+nBI_CURRENT_SRC_U |
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| 34 | // Return U in 4 GRFs |
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| 35 | |||
| 36 | // 1st 8x8 V sampling |
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| 37 | mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_CHANNEL_ONLY:ud // Dummy instruction to avoid back-2-back send instructions |
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| 38 | mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
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| 39 | send (1) uwAVS_RESPONSE(8)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_V+nBI_CURRENT_SRC_V |
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| 40 | // Return V in 4 GRFs |
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| 41 | |||
| 42 | // 2nd 8x8 setup |
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| 43 | #include "AVS_SetupSecondBlock.asm" |
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| 44 | |||
| 45 | // 2nd 8x8 Y sampling |
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| 46 | mov (1) rAVS_8x8_HDR.2:ud nAVS_GREEN_CHANNEL_ONLY:ud // Enable green channel |
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| 47 | mov (16) mAVS_8x8_HDR.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
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| 48 | send (1) uwAVS_RESPONSE_2(0)<1> mAVS_8x8_HDR udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y |
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| 49 | // Return Y in 4 GRFs |
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| 50 | |||
| 51 | // 2nd 8x8 U sampling |
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| 52 | mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_CHANNEL_ONLY:ud // Enable red channel |
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| 53 | mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
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| 54 | send (1) uwAVS_RESPONSE_2(4)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_U+nBI_CURRENT_SRC_U |
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| 55 | // Return U in 4 GRFs |
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| 56 | |||
| 57 | mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_CHANNEL_ONLY:ud // Dummy instruction just in order to avoid back-2-back send instructions! |
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| 58 | |||
| 59 | // 2nd 8x8 V sampling |
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| 60 | mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
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| 61 | send (1) uwAVS_RESPONSE_2(8)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_V+nBI_CURRENT_SRC_V |
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| 62 | // Return V in 4 GRFs |
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| 63 | |||
| 64 | //------------------------------------------------------------------------------ |
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| 65 | // Unpacking sampler reads to 4:4:4 internal planar |
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| 66 | //------------------------------------------------------------------------------ |
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| 67 | #include "PL3_AVS_IEF_Unpack_16x8.asm" |
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| 68 |