0,0 → 1,109 |
/* |
* Copyright © <2010>, Intel Corporation. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
* This file was originally licensed under the following license |
* |
* Licensed under the Apache License, Version 2.0 (the "License"); |
* you may not use this file except in compliance with the License. |
* You may obtain a copy of the License at |
* |
* http://www.apache.org/licenses/LICENSE-2.0 |
* |
* Unless required by applicable law or agreed to in writing, software |
* distributed under the License is distributed on an "AS IS" BASIS, |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
* See the License for the specific language governing permissions and |
* limitations under the License. |
* |
*/ |
// Module Name: Load_Left_UV_2X8T.Asm |
// |
// Load UV 8X2 Block |
// |
//---------------------------------------------------------------- |
// Symbols ceed To be defined before including this module |
// |
// Source Region Is :UB |
// BUF_D: BUF_D Base=Rxx Elementsize=4 Srcregion=Region(8,1) Type=UD |
|
// Binding Table Index: |
// BI_SRC_UV: Binding Table Index Of UV Surface (NV12) |
// |
//---------------------------------------------------------------- |
|
#if defined(_DEBUG) |
mov (1) EntrySignatureC:w 0xDDD0:w |
#endif |
|
// FieldModeCurrentMbFlag determines how to access left MB |
and.z.f0.0 (1) null:w r[ECM_AddrReg, BitFlags]:ub FieldModeCurrentMbFlag:w |
|
and.nz.f0.1 (1) NULLREGW BitFields:w BotFieldFlag:w // Get bottom field flag |
|
// Read U+V |
mov (1) MSGSRC.0:ud ORIX_LEFT:w { NoDDClr } // Block origin |
asr (1) MSGSRC.1:ud ORIY_LEFT:w 1:w { NoDDClr, NoDDChk } // NV12 U+V block origin y = half of Y comp |
mov (1) MSGSRC.2:ud 0x00070003:ud { NoDDChk } // NV12 U+V block width and height (4x8) |
|
// Load NV12 U+V |
|
// Set message descriptor |
|
(f0.0) if (1) ILDB_LABEL(ELSE_Y_2x8T) |
|
// Frame picture |
mov (1) MSGDSC RESP_LEN(1)+DWBRMSGDSC_RC+BI_DEST_UV:ud // Read 1 GRF from SRC_UV |
|
(f0.1) add (1) MSGSRC.1:d MSGSRC.1:d 8:w // Add vertical offset 8 for bot MB in MBAFF mode |
|
ILDB_LABEL(ELSE_Y_2x8T): |
else (1) ILDB_LABEL(ENDIF_Y_2x8T) |
|
// Field picture |
(f0.1) mov (1) MSGDSC RESP_LEN(1)+DWBRMSGDSC_RC_BF+BI_DEST_UV:ud // Read 1 GRF from SRC_Y bottom field |
(-f0.1) mov (1) MSGDSC RESP_LEN(1)+DWBRMSGDSC_RC_TF+BI_DEST_UV:ud // Read 1 GRF from SRC_Y top field |
|
asr (1) MSGSRC.1:d MSGSRC.1:d 1:w // Reduce y by half in field access mode |
|
endif |
ILDB_LABEL(ENDIF_Y_2x8T): |
|
// Read 1 GRF from DEST surface as the above MB has been deblocked. |
// send (8) BUF_D(0)<1> MSGHDRU MSGSRC<8;8,1>:ud MSGDSC |
send (8) LEFT_TEMP_D(0)<1> MSGHDRU MSGSRC<8;8,1>:ud DAPREAD MSGDSC |
|
|
// Input from dport for transpose: |
// +-----------------------+-----------------------+-----------------------+-----------------------+ |
// |71 71 70 70 61 61 60 60 51 51 50 50 41 41 40 40 31 31 30 30 21 21 20 20 11 11 10 10 01 01 00 00| |
// +-----------------------+-----------------------+-----------------------+-----------------------+ |
// |
// Output of transpose: <1> <=== <16;8,2>:w |
// +-----------------------+-----------------------+-----------------------+-----------------------+ |
// |71 71 61 61 51 51 41 41 31 31 21 21 11 11 01 01 70 70 60 60 50 50 40 40 30 30 20 20 10 10 00 00| |
// +-----------------------+-----------------------+-----------------------+-----------------------+ |
/* |
mov (8) PREV_MB_UW(0,0)<1> BUF_W(0,0)<16;8,2> { NoDDClr } |
mov (8) PREV_MB_UW(0,8)<1> BUF_W(0,1)<16;8,2> { NoDDChk } |
*/ |
// End of load_Left_UV_2x8T.asm |