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Diffstat (limited to 'media/libvpx/vp8/common/x86/mfqe_sse2.asm')
-rw-r--r--media/libvpx/vp8/common/x86/mfqe_sse2.asm287
1 files changed, 287 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/mfqe_sse2.asm b/media/libvpx/vp8/common/x86/mfqe_sse2.asm
new file mode 100644
index 000000000..a8a7f568d
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+++ b/media/libvpx/vp8/common/x86/mfqe_sse2.asm
@@ -0,0 +1,287 @@
+;
+; Copyright (c) 2012 The WebM 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.
+;
+
+
+%include "vpx_ports/x86_abi_support.asm"
+
+;void vp8_filter_by_weight16x16_sse2
+;(
+; unsigned char *src,
+; int src_stride,
+; unsigned char *dst,
+; int dst_stride,
+; int src_weight
+;)
+global sym(vp8_filter_by_weight16x16_sse2) PRIVATE
+sym(vp8_filter_by_weight16x16_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 5
+ SAVE_XMM 6
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ movd xmm0, arg(4) ; src_weight
+ pshuflw xmm0, xmm0, 0x0 ; replicate to all low words
+ punpcklqdq xmm0, xmm0 ; replicate to all hi words
+
+ movdqa xmm1, [GLOBAL(tMFQE)]
+ psubw xmm1, xmm0 ; dst_weight
+
+ mov rax, arg(0) ; src
+ mov rsi, arg(1) ; src_stride
+ mov rdx, arg(2) ; dst
+ mov rdi, arg(3) ; dst_stride
+
+ mov rcx, 16 ; loop count
+ pxor xmm6, xmm6
+
+.combine
+ movdqa xmm2, [rax]
+ movdqa xmm4, [rdx]
+ add rax, rsi
+
+ ; src * src_weight
+ movdqa xmm3, xmm2
+ punpcklbw xmm2, xmm6
+ punpckhbw xmm3, xmm6
+ pmullw xmm2, xmm0
+ pmullw xmm3, xmm0
+
+ ; dst * dst_weight
+ movdqa xmm5, xmm4
+ punpcklbw xmm4, xmm6
+ punpckhbw xmm5, xmm6
+ pmullw xmm4, xmm1
+ pmullw xmm5, xmm1
+
+ ; sum, round and shift
+ paddw xmm2, xmm4
+ paddw xmm3, xmm5
+ paddw xmm2, [GLOBAL(tMFQE_round)]
+ paddw xmm3, [GLOBAL(tMFQE_round)]
+ psrlw xmm2, 4
+ psrlw xmm3, 4
+
+ packuswb xmm2, xmm3
+ movdqa [rdx], xmm2
+ add rdx, rdi
+
+ dec rcx
+ jnz .combine
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ RESTORE_XMM
+ UNSHADOW_ARGS
+ pop rbp
+
+ ret
+
+;void vp8_filter_by_weight8x8_sse2
+;(
+; unsigned char *src,
+; int src_stride,
+; unsigned char *dst,
+; int dst_stride,
+; int src_weight
+;)
+global sym(vp8_filter_by_weight8x8_sse2) PRIVATE
+sym(vp8_filter_by_weight8x8_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 5
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ movd xmm0, arg(4) ; src_weight
+ pshuflw xmm0, xmm0, 0x0 ; replicate to all low words
+ punpcklqdq xmm0, xmm0 ; replicate to all hi words
+
+ movdqa xmm1, [GLOBAL(tMFQE)]
+ psubw xmm1, xmm0 ; dst_weight
+
+ mov rax, arg(0) ; src
+ mov rsi, arg(1) ; src_stride
+ mov rdx, arg(2) ; dst
+ mov rdi, arg(3) ; dst_stride
+
+ mov rcx, 8 ; loop count
+ pxor xmm4, xmm4
+
+.combine
+ movq xmm2, [rax]
+ movq xmm3, [rdx]
+ add rax, rsi
+
+ ; src * src_weight
+ punpcklbw xmm2, xmm4
+ pmullw xmm2, xmm0
+
+ ; dst * dst_weight
+ punpcklbw xmm3, xmm4
+ pmullw xmm3, xmm1
+
+ ; sum, round and shift
+ paddw xmm2, xmm3
+ paddw xmm2, [GLOBAL(tMFQE_round)]
+ psrlw xmm2, 4
+
+ packuswb xmm2, xmm4
+ movq [rdx], xmm2
+ add rdx, rdi
+
+ dec rcx
+ jnz .combine
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ UNSHADOW_ARGS
+ pop rbp
+
+ ret
+
+;void vp8_variance_and_sad_16x16_sse2 | arg
+;(
+; unsigned char *src1, 0
+; int stride1, 1
+; unsigned char *src2, 2
+; int stride2, 3
+; unsigned int *variance, 4
+; unsigned int *sad, 5
+;)
+global sym(vp8_variance_and_sad_16x16_sse2) PRIVATE
+sym(vp8_variance_and_sad_16x16_sse2):
+ push rbp
+ mov rbp, rsp
+ SHADOW_ARGS_TO_STACK 6
+ GET_GOT rbx
+ push rsi
+ push rdi
+ ; end prolog
+
+ mov rax, arg(0) ; src1
+ mov rcx, arg(1) ; stride1
+ mov rdx, arg(2) ; src2
+ mov rdi, arg(3) ; stride2
+
+ mov rsi, 16 ; block height
+
+ ; Prep accumulator registers
+ pxor xmm3, xmm3 ; SAD
+ pxor xmm4, xmm4 ; sum of src2
+ pxor xmm5, xmm5 ; sum of src2^2
+
+ ; Because we're working with the actual output frames
+ ; we can't depend on any kind of data alignment.
+.accumulate
+ movdqa xmm0, [rax] ; src1
+ movdqa xmm1, [rdx] ; src2
+ add rax, rcx ; src1 + stride1
+ add rdx, rdi ; src2 + stride2
+
+ ; SAD(src1, src2)
+ psadbw xmm0, xmm1
+ paddusw xmm3, xmm0
+
+ ; SUM(src2)
+ pxor xmm2, xmm2
+ psadbw xmm2, xmm1 ; sum src2 by misusing SAD against 0
+ paddusw xmm4, xmm2
+
+ ; pmaddubsw would be ideal if it took two unsigned values. instead,
+ ; it expects a signed and an unsigned value. so instead we zero extend
+ ; and operate on words.
+ pxor xmm2, xmm2
+ movdqa xmm0, xmm1
+ punpcklbw xmm0, xmm2
+ punpckhbw xmm1, xmm2
+ pmaddwd xmm0, xmm0
+ pmaddwd xmm1, xmm1
+ paddd xmm5, xmm0
+ paddd xmm5, xmm1
+
+ sub rsi, 1
+ jnz .accumulate
+
+ ; phaddd only operates on adjacent double words.
+ ; Finalize SAD and store
+ movdqa xmm0, xmm3
+ psrldq xmm0, 8
+ paddusw xmm0, xmm3
+ paddd xmm0, [GLOBAL(t128)]
+ psrld xmm0, 8
+
+ mov rax, arg(5)
+ movd [rax], xmm0
+
+ ; Accumulate sum of src2
+ movdqa xmm0, xmm4
+ psrldq xmm0, 8
+ paddusw xmm0, xmm4
+ ; Square src2. Ignore high value
+ pmuludq xmm0, xmm0
+ psrld xmm0, 8
+
+ ; phaddw could be used to sum adjacent values but we want
+ ; all the values summed. promote to doubles, accumulate,
+ ; shift and sum
+ pxor xmm2, xmm2
+ movdqa xmm1, xmm5
+ punpckldq xmm1, xmm2
+ punpckhdq xmm5, xmm2
+ paddd xmm1, xmm5
+ movdqa xmm2, xmm1
+ psrldq xmm1, 8
+ paddd xmm1, xmm2
+
+ psubd xmm1, xmm0
+
+ ; (variance + 128) >> 8
+ paddd xmm1, [GLOBAL(t128)]
+ psrld xmm1, 8
+ mov rax, arg(4)
+
+ movd [rax], xmm1
+
+
+ ; begin epilog
+ pop rdi
+ pop rsi
+ RESTORE_GOT
+ UNSHADOW_ARGS
+ pop rbp
+ ret
+
+SECTION_RODATA
+align 16
+t128:
+%ifndef __NASM_VER__
+ ddq 128
+%elif CONFIG_BIG_ENDIAN
+ dq 0, 128
+%else
+ dq 128, 0
+%endif
+align 16
+tMFQE: ; 1 << MFQE_PRECISION
+ times 8 dw 0x10
+align 16
+tMFQE_round: ; 1 << (MFQE_PRECISION - 1)
+ times 8 dw 0x08
+