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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6146 | serge | 1 | /* |
| 2 | * Copyright © <2010>, Intel Corporation. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the |
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| 6 | * "Software"), to deal in the Software without restriction, including |
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| 7 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 8 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 9 | * permit persons to whom the Software is furnished to do so, subject to |
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| 10 | * the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice (including the |
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| 13 | * next paragraph) shall be included in all copies or substantial portions |
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| 14 | * of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 17 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 19 | * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 20 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 21 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 22 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 23 | * |
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| 24 | * This file was originally licensed under the following license |
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| 25 | * |
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| 26 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 27 | * you may not use this file except in compliance with the License. |
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| 28 | * You may obtain a copy of the License at |
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| 29 | * |
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| 30 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 31 | * |
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| 32 | * Unless required by applicable law or agreed to in writing, software |
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| 33 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 34 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 35 | * See the License for the specific language governing permissions and |
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| 36 | * limitations under the License. |
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| 37 | * |
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| 38 | */ |
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| 39 | // Module name: saveNV12_16x4.asm |
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| 40 | // |
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| 41 | // Save a NV12 16x4 block |
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| 42 | // |
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| 43 | //---------------------------------------------------------------- |
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| 44 | // Symbols need to be defined before including this module |
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| 45 | // |
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| 46 | // Source region in :ud |
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| 47 | // SRC_YD: SRC_YD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 2 GRFs |
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| 48 | // SRC_UD: SRC_UD Base=rxx ElementSize=4 SrcRegion=REGION(8,1) Type=ud // 1 GRF |
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| 49 | // |
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| 50 | // Binding table index: |
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| 51 | // BI_DEST_Y: Binding table index of Y surface |
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| 52 | // BI_DEST_UV: Binding table index of UV surface (NV12) |
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| 53 | // |
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| 54 | //---------------------------------------------------------------- |
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| 55 | |||
| 56 | #if defined(_DEBUG) |
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| 57 | mov (1) EntrySignatureC:w 0xDDD5:w |
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| 58 | #endif |
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| 59 | |||
| 60 | mov (2) MSGSRC.0<1>:ud ORIX_TOP<2;2,1>:w // Block origin |
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| 61 | mov (1) MSGSRC.2<1>:ud 0x0003000F:ud // Block width and height (16x4) |
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| 62 | |||
| 63 | // Pack Y |
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| 64 | mov (16) MSGPAYLOADD(0)<1> SRC_YD(0) // Compressed inst |
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| 65 | |||
| 66 | send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSG_LEN(2)+DWBWMSGDSC+BI_DEST_Y // Write 2 GRFs |
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| 67 | |||
| 68 | |||
| 69 | asr (1) MSGSRC.1:ud MSGSRC.1:ud 1:w // NV12 U+V block origin y = half of Y comp |
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| 70 | mov (1) MSGSRC.2<1>:ud 0x0001000F:ud // NV12 U+V block width and height (16x2) |
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| 71 | |||
| 72 | // Pack U and V |
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| 73 | // mov (16) MSGPAYLOADB(0,0)<2> SRC_UB(0,0) |
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| 74 | // mov (16) MSGPAYLOADB(0,1)<2> SRC_VB(0,0) |
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| 75 | |||
| 76 | mov (8) MSGPAYLOADD(0,0)<1> SRC_UD(0) |
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| 77 | |||
| 78 | send (8) NULLREG MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSG_LEN(1)+DWBWMSGDSC+BI_DEST_UV // Write 1 GRF |
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| 79 | |||
| 80 | // End of saveNV12_16x4.asm |