/*
* All Video Processing kernels
* 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.
*
*/
//////////////////////////////////////////////////////////////////////////////////
// Multiple_Loop_Head.asm
// This code sets up the loop control for multiple blocks per thread
mul (1) wFRAME_ENDX:w ubBLK_CNT_X:ub 16:uw { NoDDClr } // Build multi-block loop counters
mov (1) wNUM_BLKS:w ubNUM_BLKS:ub { NoDDClr, NoDDChk } // Copy num blocks to word variable
mov (1) wCOPY_ORIX:w wORIX:w { NoDDChk } // Copy multi-block origin in pixel
mov (2) fFRAME_VID_ORIX<1>:f fSRC_VID_H_ORI<4;2,2>:f // Copy src video origin for scaling, and alpha origin for blending
add (1) wFRAME_ENDX:w wFRAME_ENDX:w wORIX:w // Continue building multi-block loop counters
VIDEO_PROCESSING_LOOP: // Loop back entry point as the biginning of the loop for multiple blocks
// Beginning of the loop