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https://gitee.com/Lyon1998/pikapython.git
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100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
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/*
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* Copyright (C) 2010-2021 Arm Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* ----------------------------------------------------------------------
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* Project: Arm-2D Library
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* Title: __arm_2d_fill_colour_helium.inc
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* Description: Helium code template for drawing pattern
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*
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* $Date: 20. Sept 2021
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* $Revision: V.0.0.1
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*
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* -------------------------------------------------------------------- */
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#ifndef __API_COLOUR
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# error You have to define __API_COLOUR before using this c template
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#endif
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#ifndef __API_ELT_SZ
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# error You have to define the __API_ELT_SZ before using this c template
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#endif
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#undef ____ARM_2D_FUNC
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#undef ___ARM_2D_FUNC
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#undef __ARM_2D_FUNC
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#define ____ARM_2D_FUNC(__NAME, __COLOUR) __arm_2d_impl_##__COLOUR##_##__NAME
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#define ___ARM_2D_FUNC(__NAME, __COLOUR) ____ARM_2D_FUNC(__NAME, __COLOUR)
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#define __ARM_2D_FUNC(__NAME) ___ARM_2D_FUNC(__NAME, __API_COLOUR)
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__OVERRIDE_WEAK
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void __ARM_2D_FUNC(colour_filling)( ARM_PIX_SCLTYP(__API_ELT_SZ) *__RESTRICT pTarget,
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int16_t iTargetStride,
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arm_2d_size_t *__RESTRICT ptCopySize,
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ARM_PIX_SCLTYP(__API_ELT_SZ) Colour)
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{
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ARM_PIX_VECTYP(__API_ELT_SZ) vColor = ARM_CONNECT2(vdupq_n_u, __API_ELT_SZ)(Colour);
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#ifdef USE_MVE_INTRINSICS
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for (int_fast16_t y = 0; y < ptCopySize->iHeight; y++) {
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int32_t blkCnt = ptCopySize->iWidth;
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ARM_PIX_SCLTYP(__API_ELT_SZ) *pTargetCur = pTarget;
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while (blkCnt > 0) {
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mve_pred16_t tailPred = ARM_CONNECT2(ARM_CONNECT2(vctp, __API_ELT_SZ), q)(blkCnt);
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vst1q_p(pTargetCur, vColor, tailPred);
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pTargetCur += ARM_PIX_VECELT(__API_ELT_SZ);
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blkCnt -= ARM_PIX_VECELT(__API_ELT_SZ);
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}
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pTarget += iTargetStride;
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}
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#else
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for (int_fast16_t y = 0; y < ptCopySize->iHeight; y++) {
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int32_t blkCnt = ptCopySize->iWidth;
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ARM_PIX_SCLTYP(__API_ELT_SZ) *pTargetCur = pTarget;
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__asm volatile(
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".p2align 2 \n"
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" wlstp." TO_STRING(__API_ELT_SZ) " lr, %[loopCnt], 1f \n"
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"2: \n"
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" vstrb.u8 %[vColor], [%[pTarget]], #16 \n"
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" letp lr, 2b \n"
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"1: \n"
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: [pTarget] "+r" (pTargetCur)
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: [loopCnt] "r" (blkCnt), [vColor] "t" (vColor)
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:"memory", "lr");
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pTarget += iTargetStride;
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}
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#endif
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}
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#undef ____ARM_2D_FUNC
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#undef ___ARM_2D_FUNC
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#undef __ARM_2D_FUNC
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#undef __API_COLOUR
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#undef __API_ELT_SZ
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