mirror of
https://github.com/pineappleEA/pineapple-src.git
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165 lines
4.0 KiB
NASM
165 lines
4.0 KiB
NASM
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;******************************************************************************
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;* SIMD-optimized HuffYUV functions
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;* Copyright (c) 2008 Loren Merritt
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;* Copyright (c) 2014 Christophe Gisquet
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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/x86/x86util.asm"
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SECTION .text
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%include "libavcodec/x86/huffyuvdsp_template.asm"
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;------------------------------------------------------------------------------
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; void (*add_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
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;------------------------------------------------------------------------------
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%macro ADD_INT16 0
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cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
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%if mmsize > 8
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test srcq, mmsize-1
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jnz .unaligned
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test dstq, mmsize-1
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jnz .unaligned
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%endif
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INT16_LOOP a, add
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%if mmsize > 8
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.unaligned:
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INT16_LOOP u, add
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%endif
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%endmacro
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%if ARCH_X86_32
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INIT_MMX mmx
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ADD_INT16
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%endif
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INIT_XMM sse2
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ADD_INT16
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%if HAVE_AVX2_EXTERNAL
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INIT_YMM avx2
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ADD_INT16
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%endif
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; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src,
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; intptr_t w, uint8_t *left)
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%macro LEFT_BGR32 0
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cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left
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shl wq, 2
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movd m0, [leftq]
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lea dstq, [dstq + wq]
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lea srcq, [srcq + wq]
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LSHIFT m0, mmsize-4
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neg wq
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.loop:
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movu m1, [srcq+wq]
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mova m2, m1
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%if mmsize == 8
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punpckhdq m0, m0
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%endif
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LSHIFT m1, 4
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paddb m1, m2
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%if mmsize == 16
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pshufd m0, m0, q3333
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mova m2, m1
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LSHIFT m1, 8
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paddb m1, m2
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%endif
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paddb m0, m1
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movu [dstq+wq], m0
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add wq, mmsize
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jl .loop
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movd m0, [dstq-4]
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movd [leftq], m0
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REP_RET
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%endmacro
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%if ARCH_X86_32
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INIT_MMX mmx
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LEFT_BGR32
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%endif
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INIT_XMM sse2
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LEFT_BGR32
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; void add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int mask, int w, int *left, int *left_top)
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INIT_MMX mmxext
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cglobal add_hfyu_median_pred_int16, 7,7,0, dst, top, diff, mask, w, left, left_top
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add wd, wd
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movd mm6, maskd
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SPLATW mm6, mm6
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movq mm0, [topq]
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movq mm2, mm0
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movd mm4, [left_topq]
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psllq mm2, 16
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movq mm1, mm0
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por mm4, mm2
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movd mm3, [leftq]
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psubw mm0, mm4 ; t-tl
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add dstq, wq
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add topq, wq
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add diffq, wq
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neg wq
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jmp .skip
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.loop:
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movq mm4, [topq+wq]
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movq mm0, mm4
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psllq mm4, 16
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por mm4, mm1
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movq mm1, mm0 ; t
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psubw mm0, mm4 ; t-tl
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.skip:
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movq mm2, [diffq+wq]
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%assign i 0
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%rep 4
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movq mm4, mm0
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paddw mm4, mm3 ; t-tl+l
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pand mm4, mm6
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movq mm5, mm3
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pmaxsw mm3, mm1
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pminsw mm5, mm1
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pminsw mm3, mm4
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pmaxsw mm3, mm5 ; median
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paddw mm3, mm2 ; +residual
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pand mm3, mm6
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%if i==0
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movq mm7, mm3
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psllq mm7, 48
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%else
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movq mm4, mm3
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psrlq mm7, 16
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psllq mm4, 48
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por mm7, mm4
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%endif
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%if i<3
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psrlq mm0, 16
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psrlq mm1, 16
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psrlq mm2, 16
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%endif
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%assign i i+1
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%endrep
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movq [dstq+wq], mm7
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add wq, 8
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jl .loop
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movzx r2d, word [dstq-2]
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mov [leftq], r2d
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movzx r2d, word [topq-2]
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mov [left_topq], r2d
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RET
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