535 строки
17 KiB
NASM
535 строки
17 KiB
NASM
;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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%define VP9_FILTER_WEIGHT 128
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%define VP9_FILTER_SHIFT 7
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;void vp9_post_proc_down_and_across_mmx
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;(
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; unsigned char *src_ptr,
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; unsigned char *dst_ptr,
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; int src_pixels_per_line,
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; int dst_pixels_per_line,
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; int rows,
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; int cols,
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; int flimit
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;)
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global sym(vp9_post_proc_down_and_across_mmx) PRIVATE
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sym(vp9_post_proc_down_and_across_mmx):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 7
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GET_GOT rbx
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push rsi
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push rdi
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; end prolog
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%if ABI_IS_32BIT=1 && CONFIG_PIC=1
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; move the global rd onto the stack, since we don't have enough registers
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; to do PIC addressing
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movq mm0, [GLOBAL(rd)]
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sub rsp, 8
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movq [rsp], mm0
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%define RD [rsp]
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%else
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%define RD [GLOBAL(rd)]
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%endif
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push rbx
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lea rbx, [GLOBAL(Blur)]
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movd mm2, dword ptr arg(6) ;flimit
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punpcklwd mm2, mm2
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punpckldq mm2, mm2
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mov rsi, arg(0) ;src_ptr
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mov rdi, arg(1) ;dst_ptr
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movsxd rcx, DWORD PTR arg(4) ;rows
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movsxd rax, DWORD PTR arg(2) ;src_pixels_per_line ; destination pitch?
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pxor mm0, mm0 ; mm0 = 00000000
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.nextrow:
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xor rdx, rdx ; clear out rdx for use as loop counter
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.nextcol:
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pxor mm7, mm7 ; mm7 = 00000000
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movq mm6, [rbx + 32 ] ; mm6 = kernel 2 taps
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movq mm3, [rsi] ; mm4 = r0 p0..p7
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punpcklbw mm3, mm0 ; mm3 = p0..p3
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movq mm1, mm3 ; mm1 = p0..p3
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pmullw mm3, mm6 ; mm3 *= kernel 2 modifiers
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movq mm6, [rbx + 48] ; mm6 = kernel 3 taps
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movq mm5, [rsi + rax] ; mm4 = r1 p0..p7
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punpcklbw mm5, mm0 ; mm5 = r1 p0..p3
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pmullw mm6, mm5 ; mm6 *= p0..p3 * kernel 3 modifiers
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paddusw mm3, mm6 ; mm3 += mm6
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; thresholding
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movq mm7, mm1 ; mm7 = r0 p0..p3
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psubusw mm7, mm5 ; mm7 = r0 p0..p3 - r1 p0..p3
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psubusw mm5, mm1 ; mm5 = r1 p0..p3 - r0 p0..p3
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paddusw mm7, mm5 ; mm7 = abs(r0 p0..p3 - r1 p0..p3)
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pcmpgtw mm7, mm2
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movq mm6, [rbx + 64 ] ; mm6 = kernel 4 modifiers
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movq mm5, [rsi + 2*rax] ; mm4 = r2 p0..p7
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punpcklbw mm5, mm0 ; mm5 = r2 p0..p3
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pmullw mm6, mm5 ; mm5 *= kernel 4 modifiers
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paddusw mm3, mm6 ; mm3 += mm5
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; thresholding
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movq mm6, mm1 ; mm6 = r0 p0..p3
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psubusw mm6, mm5 ; mm6 = r0 p0..p3 - r2 p0..p3
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psubusw mm5, mm1 ; mm5 = r2 p0..p3 - r2 p0..p3
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paddusw mm6, mm5 ; mm6 = abs(r0 p0..p3 - r2 p0..p3)
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pcmpgtw mm6, mm2
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por mm7, mm6 ; accumulate thresholds
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neg rax
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movq mm6, [rbx ] ; kernel 0 taps
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movq mm5, [rsi+2*rax] ; mm4 = r-2 p0..p7
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punpcklbw mm5, mm0 ; mm5 = r-2 p0..p3
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pmullw mm6, mm5 ; mm5 *= kernel 0 modifiers
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paddusw mm3, mm6 ; mm3 += mm5
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; thresholding
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movq mm6, mm1 ; mm6 = r0 p0..p3
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psubusw mm6, mm5 ; mm6 = p0..p3 - r-2 p0..p3
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psubusw mm5, mm1 ; mm5 = r-2 p0..p3 - p0..p3
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paddusw mm6, mm5 ; mm6 = abs(r0 p0..p3 - r-2 p0..p3)
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pcmpgtw mm6, mm2
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por mm7, mm6 ; accumulate thresholds
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movq mm6, [rbx + 16] ; kernel 1 taps
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movq mm4, [rsi+rax] ; mm4 = r-1 p0..p7
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punpcklbw mm4, mm0 ; mm4 = r-1 p0..p3
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pmullw mm6, mm4 ; mm4 *= kernel 1 modifiers.
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paddusw mm3, mm6 ; mm3 += mm5
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; thresholding
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movq mm6, mm1 ; mm6 = r0 p0..p3
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psubusw mm6, mm4 ; mm6 = p0..p3 - r-2 p0..p3
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psubusw mm4, mm1 ; mm5 = r-1 p0..p3 - p0..p3
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paddusw mm6, mm4 ; mm6 = abs(r0 p0..p3 - r-1 p0..p3)
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pcmpgtw mm6, mm2
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por mm7, mm6 ; accumulate thresholds
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paddusw mm3, RD ; mm3 += round value
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psraw mm3, VP9_FILTER_SHIFT ; mm3 /= 128
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pand mm1, mm7 ; mm1 select vals > thresh from source
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pandn mm7, mm3 ; mm7 select vals < thresh from blurred result
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paddusw mm1, mm7 ; combination
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packuswb mm1, mm0 ; pack to bytes
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movd [rdi], mm1 ;
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neg rax ; pitch is positive
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add rsi, 4
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add rdi, 4
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add rdx, 4
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cmp edx, dword ptr arg(5) ;cols
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jl .nextcol
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; done with the all cols, start the across filtering in place
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sub rsi, rdx
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sub rdi, rdx
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push rax
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xor rdx, rdx
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mov rax, [rdi-4];
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.acrossnextcol:
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pxor mm7, mm7 ; mm7 = 00000000
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movq mm6, [rbx + 32 ] ;
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movq mm4, [rdi+rdx] ; mm4 = p0..p7
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movq mm3, mm4 ; mm3 = p0..p7
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punpcklbw mm3, mm0 ; mm3 = p0..p3
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movq mm1, mm3 ; mm1 = p0..p3
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pmullw mm3, mm6 ; mm3 *= kernel 2 modifiers
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movq mm6, [rbx + 48]
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psrlq mm4, 8 ; mm4 = p1..p7
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movq mm5, mm4 ; mm5 = p1..p7
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punpcklbw mm5, mm0 ; mm5 = p1..p4
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pmullw mm6, mm5 ; mm6 *= p1..p4 * kernel 3 modifiers
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paddusw mm3, mm6 ; mm3 += mm6
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; thresholding
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movq mm7, mm1 ; mm7 = p0..p3
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psubusw mm7, mm5 ; mm7 = p0..p3 - p1..p4
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psubusw mm5, mm1 ; mm5 = p1..p4 - p0..p3
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paddusw mm7, mm5 ; mm7 = abs(p0..p3 - p1..p4)
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pcmpgtw mm7, mm2
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movq mm6, [rbx + 64 ]
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psrlq mm4, 8 ; mm4 = p2..p7
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movq mm5, mm4 ; mm5 = p2..p7
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punpcklbw mm5, mm0 ; mm5 = p2..p5
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pmullw mm6, mm5 ; mm5 *= kernel 4 modifiers
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paddusw mm3, mm6 ; mm3 += mm5
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; thresholding
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movq mm6, mm1 ; mm6 = p0..p3
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psubusw mm6, mm5 ; mm6 = p0..p3 - p1..p4
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psubusw mm5, mm1 ; mm5 = p1..p4 - p0..p3
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paddusw mm6, mm5 ; mm6 = abs(p0..p3 - p1..p4)
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pcmpgtw mm6, mm2
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por mm7, mm6 ; accumulate thresholds
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movq mm6, [rbx ]
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movq mm4, [rdi+rdx-2] ; mm4 = p-2..p5
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movq mm5, mm4 ; mm5 = p-2..p5
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punpcklbw mm5, mm0 ; mm5 = p-2..p1
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pmullw mm6, mm5 ; mm5 *= kernel 0 modifiers
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paddusw mm3, mm6 ; mm3 += mm5
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; thresholding
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movq mm6, mm1 ; mm6 = p0..p3
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psubusw mm6, mm5 ; mm6 = p0..p3 - p1..p4
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psubusw mm5, mm1 ; mm5 = p1..p4 - p0..p3
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paddusw mm6, mm5 ; mm6 = abs(p0..p3 - p1..p4)
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pcmpgtw mm6, mm2
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por mm7, mm6 ; accumulate thresholds
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movq mm6, [rbx + 16]
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psrlq mm4, 8 ; mm4 = p-1..p5
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punpcklbw mm4, mm0 ; mm4 = p-1..p2
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pmullw mm6, mm4 ; mm4 *= kernel 1 modifiers.
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paddusw mm3, mm6 ; mm3 += mm5
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; thresholding
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movq mm6, mm1 ; mm6 = p0..p3
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psubusw mm6, mm4 ; mm6 = p0..p3 - p1..p4
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psubusw mm4, mm1 ; mm5 = p1..p4 - p0..p3
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paddusw mm6, mm4 ; mm6 = abs(p0..p3 - p1..p4)
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pcmpgtw mm6, mm2
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por mm7, mm6 ; accumulate thresholds
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paddusw mm3, RD ; mm3 += round value
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psraw mm3, VP9_FILTER_SHIFT ; mm3 /= 128
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pand mm1, mm7 ; mm1 select vals > thresh from source
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pandn mm7, mm3 ; mm7 select vals < thresh from blurred result
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paddusw mm1, mm7 ; combination
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packuswb mm1, mm0 ; pack to bytes
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mov DWORD PTR [rdi+rdx-4], eax ; store previous four bytes
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movd eax, mm1
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add rdx, 4
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cmp edx, dword ptr arg(5) ;cols
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jl .acrossnextcol;
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mov DWORD PTR [rdi+rdx-4], eax
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pop rax
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; done with this rwo
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add rsi,rax ; next line
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movsxd rax, dword ptr arg(3) ;dst_pixels_per_line ; destination pitch?
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add rdi,rax ; next destination
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movsxd rax, dword ptr arg(2) ;src_pixels_per_line ; destination pitch?
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dec rcx ; decrement count
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jnz .nextrow ; next row
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pop rbx
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; begin epilog
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pop rdi
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pop rsi
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RESTORE_GOT
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UNSHADOW_ARGS
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pop rbp
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ret
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%undef RD
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;void vp9_mbpost_proc_down_mmx(unsigned char *dst,
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; int pitch, int rows, int cols,int flimit)
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extern sym(vp9_rv)
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global sym(vp9_mbpost_proc_down_mmx) PRIVATE
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sym(vp9_mbpost_proc_down_mmx):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 5
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GET_GOT rbx
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push rsi
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push rdi
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; end prolog
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ALIGN_STACK 16, rax
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sub rsp, 136
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; unsigned char d[16][8] at [rsp]
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; create flimit2 at [rsp+128]
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mov eax, dword ptr arg(4) ;flimit
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mov [rsp+128], eax
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mov [rsp+128+4], eax
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%define flimit2 [rsp+128]
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%if ABI_IS_32BIT=0
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lea r8, [GLOBAL(sym(vp9_rv))]
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%endif
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;rows +=8;
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add dword ptr arg(2), 8
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;for(c=0; c<cols; c+=4)
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.loop_col:
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mov rsi, arg(0) ;s
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pxor mm0, mm0 ;
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movsxd rax, dword ptr arg(1) ;pitch ;
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neg rax ; rax = -pitch
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lea rsi, [rsi + rax*8]; ; rdi = s[-pitch*8]
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neg rax
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pxor mm5, mm5
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pxor mm6, mm6 ;
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pxor mm7, mm7 ;
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mov rdi, rsi
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mov rcx, 15 ;
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.loop_initvar:
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movd mm1, DWORD PTR [rdi];
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punpcklbw mm1, mm0 ;
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paddw mm5, mm1 ;
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pmullw mm1, mm1 ;
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movq mm2, mm1 ;
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punpcklwd mm1, mm0 ;
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punpckhwd mm2, mm0 ;
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paddd mm6, mm1 ;
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paddd mm7, mm2 ;
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lea rdi, [rdi+rax] ;
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dec rcx
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jne .loop_initvar
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;save the var and sum
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xor rdx, rdx
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.loop_row:
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movd mm1, DWORD PTR [rsi] ; [s-pitch*8]
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movd mm2, DWORD PTR [rdi] ; [s+pitch*7]
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punpcklbw mm1, mm0
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punpcklbw mm2, mm0
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paddw mm5, mm2
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psubw mm5, mm1
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pmullw mm2, mm2
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movq mm4, mm2
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punpcklwd mm2, mm0
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punpckhwd mm4, mm0
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paddd mm6, mm2
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paddd mm7, mm4
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pmullw mm1, mm1
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movq mm2, mm1
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punpcklwd mm1, mm0
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psubd mm6, mm1
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punpckhwd mm2, mm0
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psubd mm7, mm2
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movq mm3, mm6
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pslld mm3, 4
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psubd mm3, mm6
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movq mm1, mm5
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movq mm4, mm5
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pmullw mm1, mm1
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pmulhw mm4, mm4
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movq mm2, mm1
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punpcklwd mm1, mm4
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punpckhwd mm2, mm4
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movq mm4, mm7
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pslld mm4, 4
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psubd mm4, mm7
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psubd mm3, mm1
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psubd mm4, mm2
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psubd mm3, flimit2
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psubd mm4, flimit2
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psrad mm3, 31
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psrad mm4, 31
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packssdw mm3, mm4
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packsswb mm3, mm0
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movd mm1, DWORD PTR [rsi+rax*8]
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movq mm2, mm1
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punpcklbw mm1, mm0
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paddw mm1, mm5
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mov rcx, rdx
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and rcx, 127
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%if ABI_IS_32BIT=1 && CONFIG_PIC=1
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push rax
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lea rax, [GLOBAL(sym(vp9_rv))]
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movq mm4, [rax + rcx*2] ;vp9_rv[rcx*2]
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pop rax
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%elif ABI_IS_32BIT=0
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movq mm4, [r8 + rcx*2] ;vp9_rv[rcx*2]
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%else
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movq mm4, [sym(vp9_rv) + rcx*2]
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%endif
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paddw mm1, mm4
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;paddw xmm1, eight8s
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psraw mm1, 4
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packuswb mm1, mm0
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pand mm1, mm3
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pandn mm3, mm2
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por mm1, mm3
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and rcx, 15
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movd DWORD PTR [rsp+rcx*4], mm1 ;d[rcx*4]
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mov rcx, rdx
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sub rcx, 8
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and rcx, 15
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movd mm1, DWORD PTR [rsp+rcx*4] ;d[rcx*4]
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movd [rsi], mm1
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lea rsi, [rsi+rax]
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lea rdi, [rdi+rax]
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add rdx, 1
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cmp edx, dword arg(2) ;rows
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jl .loop_row
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add dword arg(0), 4 ; s += 4
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sub dword arg(3), 4 ; cols -= 4
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cmp dword arg(3), 0
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jg .loop_col
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add rsp, 136
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pop rsp
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; begin epilog
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pop rdi
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pop rsi
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RESTORE_GOT
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UNSHADOW_ARGS
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pop rbp
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ret
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%undef flimit2
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;void vp9_plane_add_noise_mmx (unsigned char *start, unsigned char *noise,
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; unsigned char blackclamp[16],
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; unsigned char whiteclamp[16],
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; unsigned char bothclamp[16],
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; unsigned int width, unsigned int height, int pitch)
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extern sym(rand)
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global sym(vp9_plane_add_noise_mmx) PRIVATE
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sym(vp9_plane_add_noise_mmx):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 8
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GET_GOT rbx
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push rsi
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push rdi
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; end prolog
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.addnoise_loop:
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call sym(rand) WRT_PLT
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mov rcx, arg(1) ;noise
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and rax, 0xff
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add rcx, rax
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; we rely on the fact that the clamping vectors are stored contiguously
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; in black/white/both order. Note that we have to reload this here because
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; rdx could be trashed by rand()
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mov rdx, arg(2) ; blackclamp
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mov rdi, rcx
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movsxd rcx, dword arg(5) ;[Width]
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mov rsi, arg(0) ;Pos
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xor rax,rax
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.addnoise_nextset:
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movq mm1,[rsi+rax] ; get the source
|
|
|
|
psubusb mm1, [rdx] ;blackclamp ; clamp both sides so we don't outrange adding noise
|
|
paddusb mm1, [rdx+32] ;bothclamp
|
|
psubusb mm1, [rdx+16] ;whiteclamp
|
|
|
|
movq mm2,[rdi+rax] ; get the noise for this line
|
|
paddb mm1,mm2 ; add it in
|
|
movq [rsi+rax],mm1 ; store the result
|
|
|
|
add rax,8 ; move to the next line
|
|
|
|
cmp rax, rcx
|
|
jl .addnoise_nextset
|
|
|
|
movsxd rax, dword arg(7) ; Pitch
|
|
add arg(0), rax ; Start += Pitch
|
|
sub dword arg(6), 1 ; Height -= 1
|
|
jg .addnoise_loop
|
|
|
|
; begin epilog
|
|
pop rdi
|
|
pop rsi
|
|
RESTORE_GOT
|
|
UNSHADOW_ARGS
|
|
pop rbp
|
|
ret
|
|
|
|
|
|
SECTION_RODATA
|
|
align 16
|
|
Blur:
|
|
times 16 dw 16
|
|
times 8 dw 64
|
|
times 16 dw 16
|
|
times 8 dw 0
|
|
|
|
rd:
|
|
times 4 dw 0x40
|