534 lines
17 KiB
NASM
534 lines
17 KiB
NASM
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; Copyright (c) 2010 The VP8 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 and patent
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; grant that can be found in the LICENSE file in the root of the source
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; tree. All contributing project authors may be found in the AUTHORS
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; 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 VP8_FILTER_WEIGHT 128
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%define VP8_FILTER_SHIFT 7
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;void vp8_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(vp8_post_proc_down_and_across_mmx)
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sym(vp8_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, [rd GLOBAL]
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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 [rd GLOBAL]
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%endif
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push rbx
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lea rbx, [Blur GLOBAL]
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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, VP8_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, VP8_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 vp8_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(vp8_rv)
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global sym(vp8_mbpost_proc_down_mmx)
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sym(vp8_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, [sym(vp8_rv) GLOBAL]
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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
|
||
|
|
|
||
|
|
paddd mm6, mm2
|
||
|
|
paddd mm7, mm4
|
||
|
|
|
||
|
|
pmullw mm1, mm1
|
||
|
|
movq mm2, mm1
|
||
|
|
|
||
|
|
punpcklwd mm1, mm0
|
||
|
|
psubd mm6, mm1
|
||
|
|
|
||
|
|
punpckhwd mm2, mm0
|
||
|
|
psubd mm7, mm2
|
||
|
|
|
||
|
|
|
||
|
|
movq mm3, mm6
|
||
|
|
pslld mm3, 4
|
||
|
|
|
||
|
|
psubd mm3, mm6
|
||
|
|
movq mm1, mm5
|
||
|
|
|
||
|
|
movq mm4, mm5
|
||
|
|
pmullw mm1, mm1
|
||
|
|
|
||
|
|
pmulhw mm4, mm4
|
||
|
|
movq mm2, mm1
|
||
|
|
|
||
|
|
punpcklwd mm1, mm4
|
||
|
|
punpckhwd mm2, mm4
|
||
|
|
|
||
|
|
movq mm4, mm7
|
||
|
|
pslld mm4, 4
|
||
|
|
|
||
|
|
psubd mm4, mm7
|
||
|
|
|
||
|
|
psubd mm3, mm1
|
||
|
|
psubd mm4, mm2
|
||
|
|
|
||
|
|
psubd mm3, flimit2
|
||
|
|
psubd mm4, flimit2
|
||
|
|
|
||
|
|
psrad mm3, 31
|
||
|
|
psrad mm4, 31
|
||
|
|
|
||
|
|
packssdw mm3, mm4
|
||
|
|
packsswb mm3, mm0
|
||
|
|
|
||
|
|
movd mm1, DWORD PTR [rsi+rax*8]
|
||
|
|
|
||
|
|
movq mm2, mm1
|
||
|
|
punpcklbw mm1, mm0
|
||
|
|
|
||
|
|
paddw mm1, mm5
|
||
|
|
mov rcx, rdx
|
||
|
|
|
||
|
|
and rcx, 127
|
||
|
|
%if ABI_IS_32BIT=1 && CONFIG_PIC=1
|
||
|
|
push rax
|
||
|
|
lea rax, [sym(vp8_rv) GLOBAL]
|
||
|
|
movq mm4, [rax + rcx*2] ;vp8_rv[rcx*2]
|
||
|
|
pop rax
|
||
|
|
%elif ABI_IS_32BIT=0
|
||
|
|
movq mm4, [r8 + rcx*2] ;vp8_rv[rcx*2]
|
||
|
|
%else
|
||
|
|
movq mm4, [sym(vp8_rv) + rcx*2]
|
||
|
|
%endif
|
||
|
|
paddw mm1, mm4
|
||
|
|
;paddw xmm1, eight8s
|
||
|
|
psraw mm1, 4
|
||
|
|
|
||
|
|
packuswb mm1, mm0
|
||
|
|
pand mm1, mm3
|
||
|
|
|
||
|
|
pandn mm3, mm2
|
||
|
|
por mm1, mm3
|
||
|
|
|
||
|
|
and rcx, 15
|
||
|
|
movd DWORD PTR [rsp+rcx*4], mm1 ;d[rcx*4]
|
||
|
|
|
||
|
|
mov rcx, rdx
|
||
|
|
sub rcx, 8
|
||
|
|
|
||
|
|
and rcx, 15
|
||
|
|
movd mm1, DWORD PTR [rsp+rcx*4] ;d[rcx*4]
|
||
|
|
|
||
|
|
movd [rsi], mm1
|
||
|
|
lea rsi, [rsi+rax]
|
||
|
|
|
||
|
|
lea rdi, [rdi+rax]
|
||
|
|
add rdx, 1
|
||
|
|
|
||
|
|
cmp edx, dword arg(2) ;rows
|
||
|
|
jl loop_row
|
||
|
|
|
||
|
|
|
||
|
|
add dword arg(0), 4 ; s += 4
|
||
|
|
sub dword arg(3), 4 ; cols -= 4
|
||
|
|
cmp dword arg(3), 0
|
||
|
|
jg loop_col
|
||
|
|
|
||
|
|
add rsp, 136
|
||
|
|
pop rsp
|
||
|
|
|
||
|
|
; begin epilog
|
||
|
|
pop rdi
|
||
|
|
pop rsi
|
||
|
|
RESTORE_GOT
|
||
|
|
UNSHADOW_ARGS
|
||
|
|
pop rbp
|
||
|
|
ret
|
||
|
|
%undef flimit2
|
||
|
|
|
||
|
|
|
||
|
|
;void vp8_plane_add_noise_mmx (unsigned char *Start, unsigned char *noise,
|
||
|
|
; unsigned char blackclamp[16],
|
||
|
|
; unsigned char whiteclamp[16],
|
||
|
|
; unsigned char bothclamp[16],
|
||
|
|
; unsigned int Width, unsigned int Height, int Pitch)
|
||
|
|
extern sym(rand)
|
||
|
|
global sym(vp8_plane_add_noise_mmx)
|
||
|
|
sym(vp8_plane_add_noise_mmx):
|
||
|
|
push rbp
|
||
|
|
mov rbp, rsp
|
||
|
|
SHADOW_ARGS_TO_STACK 8
|
||
|
|
GET_GOT rbx
|
||
|
|
push rsi
|
||
|
|
push rdi
|
||
|
|
; end prolog
|
||
|
|
|
||
|
|
addnoise_loop:
|
||
|
|
call sym(rand) WRT_PLT
|
||
|
|
mov rcx, arg(1) ;noise
|
||
|
|
and rax, 0xff
|
||
|
|
add rcx, rax
|
||
|
|
|
||
|
|
; we rely on the fact that the clamping vectors are stored contiguously
|
||
|
|
; in black/white/both order. Note that we have to reload this here because
|
||
|
|
; rdx could be trashed by rand()
|
||
|
|
mov rdx, arg(2) ; blackclamp
|
||
|
|
|
||
|
|
|
||
|
|
mov rdi, rcx
|
||
|
|
movsxd rcx, dword arg(5) ;[Width]
|
||
|
|
mov rsi, arg(0) ;Pos
|
||
|
|
xor rax,rax
|
||
|
|
|
||
|
|
addnoise_nextset:
|
||
|
|
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
|