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Diffstat (limited to 'src/main/jni/libyuv/source/row_x86.asm')
| -rw-r--r-- | src/main/jni/libyuv/source/row_x86.asm | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/main/jni/libyuv/source/row_x86.asm b/src/main/jni/libyuv/source/row_x86.asm new file mode 100644 index 000000000..0cb326f8e --- /dev/null +++ b/src/main/jni/libyuv/source/row_x86.asm @@ -0,0 +1,146 @@ +; +; Copyright 2012 The LibYuv Project Authors. All rights reserved. +; +; Use of this source code is governed by a BSD-style license +; that can be found in the LICENSE file in the root of the source +; tree. An additional intellectual property rights grant can be found +; in the file PATENTS. All contributing project authors may +; be found in the AUTHORS file in the root of the source tree. +; + +%ifdef __YASM_VERSION_ID__ +%if __YASM_VERSION_ID__ < 01020000h +%error AVX2 is supported only by yasm 1.2.0 or later. +%endif +%endif +%include "x86inc.asm" + +SECTION .text + +; cglobal numeric constants are parameters, gpr regs, mm regs + +; void YUY2ToYRow_SSE2(const uint8* src_yuy2, uint8* dst_y, int pix) + +%macro YUY2TOYROW 2-3 +cglobal %1ToYRow%3, 3, 3, 3, src_yuy2, dst_y, pix +%ifidn %1,YUY2 + pcmpeqb m2, m2, m2 ; generate mask 0x00ff00ff + psrlw m2, m2, 8 +%endif + + ALIGN 4 +.convertloop: + mov%2 m0, [src_yuy2q] + mov%2 m1, [src_yuy2q + mmsize] + lea src_yuy2q, [src_yuy2q + mmsize * 2] +%ifidn %1,YUY2 + pand m0, m0, m2 ; YUY2 even bytes are Y + pand m1, m1, m2 +%else + psrlw m0, m0, 8 ; UYVY odd bytes are Y + psrlw m1, m1, 8 +%endif + packuswb m0, m0, m1 +%if cpuflag(AVX2) + vpermq m0, m0, 0xd8 +%endif + sub pixd, mmsize + mov%2 [dst_yq], m0 + lea dst_yq, [dst_yq + mmsize] + jg .convertloop + REP_RET +%endmacro + +; TODO(fbarchard): Remove MMX. Add SSSE3 pshufb version. +INIT_MMX MMX +YUY2TOYROW YUY2,a, +YUY2TOYROW YUY2,u,_Unaligned +YUY2TOYROW UYVY,a, +YUY2TOYROW UYVY,u,_Unaligned +INIT_XMM SSE2 +YUY2TOYROW YUY2,a, +YUY2TOYROW YUY2,u,_Unaligned +YUY2TOYROW UYVY,a, +YUY2TOYROW UYVY,u,_Unaligned +INIT_YMM AVX2 +YUY2TOYROW YUY2,a, +YUY2TOYROW UYVY,a, + +; void SplitUVRow_SSE2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) + +%macro SplitUVRow 1-2 +cglobal SplitUVRow%2, 4, 4, 5, src_uv, dst_u, dst_v, pix + pcmpeqb m4, m4, m4 ; generate mask 0x00ff00ff + psrlw m4, m4, 8 + sub dst_vq, dst_uq + + ALIGN 4 +.convertloop: + mov%1 m0, [src_uvq] + mov%1 m1, [src_uvq + mmsize] + lea src_uvq, [src_uvq + mmsize * 2] + psrlw m2, m0, 8 ; odd bytes + psrlw m3, m1, 8 + pand m0, m0, m4 ; even bytes + pand m1, m1, m4 + packuswb m0, m0, m1 + packuswb m2, m2, m3 +%if cpuflag(AVX2) + vpermq m0, m0, 0xd8 + vpermq m2, m2, 0xd8 +%endif + mov%1 [dst_uq], m0 + mov%1 [dst_uq + dst_vq], m2 + lea dst_uq, [dst_uq + mmsize] + sub pixd, mmsize + jg .convertloop + REP_RET +%endmacro + +INIT_MMX MMX +SplitUVRow a, +SplitUVRow u,_Unaligned +INIT_XMM SSE2 +SplitUVRow a, +SplitUVRow u,_Unaligned +INIT_YMM AVX2 +SplitUVRow a, + +; void MergeUVRow_SSE2(const uint8* src_u, const uint8* src_v, uint8* dst_uv, +; int width); + +%macro MergeUVRow_ 1-2 +cglobal MergeUVRow_%2, 4, 4, 3, src_u, src_v, dst_uv, pix + sub src_vq, src_uq + + ALIGN 4 +.convertloop: + mov%1 m0, [src_uq] + mov%1 m1, [src_vq] + lea src_uq, [src_uq + mmsize] + punpcklbw m2, m0, m1 // first 8 UV pairs + punpckhbw m0, m0, m1 // next 8 UV pairs +%if cpuflag(AVX2) + vperm2i128 m1, m2, m0, 0x20 // low 128 of ymm2 and low 128 of ymm0 + vperm2i128 m2, m2, m0, 0x31 // high 128 of ymm2 and high 128 of ymm0 + mov%1 [dst_uvq], m1 + mov%1 [dst_uvq + mmsize], m2 +%else + mov%1 [dst_uvq], m2 + mov%1 [dst_uvq + mmsize], m0 +%endif + lea dst_uvq, [dst_uvq + mmsize * 2] + sub pixd, mmsize + jg .convertloop + REP_RET +%endmacro + +INIT_MMX MMX +MergeUVRow_ a, +MergeUVRow_ u,_Unaligned +INIT_XMM SSE2 +MergeUVRow_ a, +MergeUVRow_ u,_Unaligned +INIT_YMM AVX2 +MergeUVRow_ a, + |