87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
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/*
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* Copyright (c) 2015 Parag Salasakar (parag.salasakar@imgtec.com)
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/mips/generic_macros_msa.h"
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#include "blockdsp_mips.h"
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static void copy_8bit_value_width8_msa(uint8_t *src, uint8_t val,
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int32_t src_stride, int32_t height)
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{
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int32_t cnt;
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uint64_t dst0;
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v16u8 val0;
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val0 = (v16u8) __msa_fill_b(val);
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dst0 = __msa_copy_u_d((v2i64) val0, 0);
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for (cnt = (height >> 2); cnt--;) {
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SD4(dst0, dst0, dst0, dst0, src, src_stride);
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src += (4 * src_stride);
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}
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}
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static void copy_8bit_value_width16_msa(uint8_t *src, uint8_t val,
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int32_t src_stride, int32_t height)
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{
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int32_t cnt;
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v16u8 val0;
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val0 = (v16u8) __msa_fill_b(val);
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for (cnt = (height >> 3); cnt--;) {
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ST_UB8(val0, val0, val0, val0, val0, val0, val0, val0, src, src_stride);
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src += (8 * src_stride);
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}
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}
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static void memset_zero_16width_msa(uint8_t *src, int32_t stride,
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int32_t height)
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{
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int8_t cnt;
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v16u8 zero = { 0 };
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for (cnt = (height / 2); cnt--;) {
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ST_UB(zero, src);
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src += stride;
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ST_UB(zero, src);
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src += stride;
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}
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}
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void ff_fill_block16_msa(uint8_t *src, uint8_t val, ptrdiff_t stride, int height)
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{
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copy_8bit_value_width16_msa(src, val, stride, height);
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}
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void ff_fill_block8_msa(uint8_t *src, uint8_t val, ptrdiff_t stride, int height)
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{
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copy_8bit_value_width8_msa(src, val, stride, height);
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}
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void ff_clear_block_msa(int16_t *block)
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{
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memset_zero_16width_msa((uint8_t *) block, 16, 8);
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}
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void ff_clear_blocks_msa(int16_t *block)
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{
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memset_zero_16width_msa((uint8_t *) block, 16, 8 * 6);
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}
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