You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
249 lines
5.1 KiB
249 lines
5.1 KiB
;
|
|
;Copyright 2014 Jay Sorg
|
|
;
|
|
;Permission to use, copy, modify, distribute, and sell this software and its
|
|
;documentation for any purpose is hereby granted without fee, provided that
|
|
;the above copyright notice appear in all copies and that both that
|
|
;copyright notice and this permission notice appear in supporting
|
|
;documentation.
|
|
;
|
|
;The above copyright notice and this permission notice shall be included in
|
|
;all copies or substantial portions of the Software.
|
|
;
|
|
;THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
;IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
;FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
;OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|
;AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
;CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
;
|
|
;YV12 to RGB32
|
|
;amd64 SSE2 32 bit
|
|
;
|
|
; RGB to YUV
|
|
; 0.299 0.587 0.114
|
|
; -0.14713 -0.28886 0.436
|
|
; 0.615 -0.51499 -0.10001
|
|
; YUV to RGB
|
|
; 1 0 1.13983
|
|
; 1 -0.39465 -0.58060
|
|
; 1 2.03211 0
|
|
; shift left 12
|
|
; 4096 0 4669
|
|
; 4096 -1616 -2378
|
|
; 4096 9324 0
|
|
|
|
SECTION .data
|
|
align 16
|
|
c128 times 8 dw 128
|
|
c4669 times 8 dw 4669
|
|
c1616 times 8 dw 1616
|
|
c2378 times 8 dw 2378
|
|
c9324 times 8 dw 9324
|
|
|
|
SECTION .text
|
|
|
|
%macro PROC 1
|
|
align 16
|
|
global %1
|
|
%1:
|
|
%endmacro
|
|
|
|
do8_uv:
|
|
|
|
; u
|
|
movd xmm1, [rbx] ; 4 at a time
|
|
lea rbx, [rbx + 4]
|
|
punpcklbw xmm1, xmm1
|
|
pxor xmm6, xmm6
|
|
punpcklbw xmm1, xmm6
|
|
movdqa xmm7, [rel c128]
|
|
psubw xmm1, xmm7
|
|
psllw xmm1, 4
|
|
|
|
; v
|
|
movd xmm2, [rdx] ; 4 at a time
|
|
lea rdx, [rdx + 4]
|
|
punpcklbw xmm2, xmm2
|
|
punpcklbw xmm2, xmm6
|
|
psubw xmm2, xmm7
|
|
psllw xmm2, 4
|
|
|
|
do8:
|
|
|
|
; y
|
|
movq xmm0, [rsi] ; 8 at a time
|
|
lea rsi, [rsi + 8]
|
|
pxor xmm6, xmm6
|
|
punpcklbw xmm0, xmm6
|
|
|
|
; r = y + hiword(4669 * (v << 4))
|
|
movdqa xmm4, [rel c4669]
|
|
pmulhw xmm4, xmm2
|
|
movdqa xmm3, xmm0
|
|
paddw xmm3, xmm4
|
|
|
|
; g = y - hiword(1616 * (u << 4)) - hiword(2378 * (v << 4))
|
|
movdqa xmm5, [rel c1616]
|
|
pmulhw xmm5, xmm1
|
|
movdqa xmm6, [rel c2378]
|
|
pmulhw xmm6, xmm2
|
|
movdqa xmm4, xmm0
|
|
psubw xmm4, xmm5
|
|
psubw xmm4, xmm6
|
|
|
|
; b = y + hiword(9324 * (u << 4))
|
|
movdqa xmm6, [rel c9324]
|
|
pmulhw xmm6, xmm1
|
|
movdqa xmm5, xmm0
|
|
paddw xmm5, xmm6
|
|
|
|
packuswb xmm3, xmm3 ; b
|
|
packuswb xmm4, xmm4 ; g
|
|
punpcklbw xmm3, xmm4 ; gb
|
|
|
|
pxor xmm4, xmm4 ; a
|
|
packuswb xmm5, xmm5 ; r
|
|
punpcklbw xmm5, xmm4 ; ar
|
|
|
|
movdqa xmm4, xmm3
|
|
punpcklwd xmm3, xmm5 ; argb
|
|
movdqa [rdi], xmm3
|
|
lea rdi, [rdi + 16]
|
|
punpckhwd xmm4, xmm5 ; argb
|
|
movdqa [rdi], xmm4
|
|
lea rdi, [rdi + 16]
|
|
|
|
ret;
|
|
|
|
;The first six integer or pointer arguments are passed in registers
|
|
; RDI, RSI, RDX, RCX, R8, and R9
|
|
|
|
;int
|
|
;yv12_to_rgb32_amd64_sse2(unsigned char *yuvs, int width, int height, int *rgbs)
|
|
|
|
PROC yv12_to_rgb32_amd64_sse2
|
|
push rbx
|
|
push rsi
|
|
push rdi
|
|
push rbp
|
|
|
|
push rdi
|
|
push rdx
|
|
mov rdi, rcx ; rgbs
|
|
|
|
mov rcx, rsi ; width
|
|
mov rdx, rcx
|
|
pop rbp ; height
|
|
mov rax, rbp
|
|
shr rbp, 1
|
|
imul rax, rcx ; rax = width * height
|
|
|
|
pop rsi ; y
|
|
|
|
mov rbx, rsi ; u = y + width * height
|
|
add rbx, rax
|
|
|
|
; local vars
|
|
; char* yptr1
|
|
; char* yptr2
|
|
; char* uptr
|
|
; char* vptr
|
|
; int* rgbs1
|
|
; int* rgbs2
|
|
; int width
|
|
sub rsp, 56 ; local vars, 56 bytes
|
|
mov [rsp + 0], rsi ; save y1
|
|
add rsi, rdx
|
|
mov [rsp + 8], rsi ; save y2
|
|
mov [rsp + 16], rbx ; save u
|
|
shr rax, 2
|
|
add rbx, rax ; v = u + (width * height / 4)
|
|
mov [rsp + 24], rbx ; save v
|
|
|
|
mov [rsp + 32], rdi ; save rgbs1
|
|
mov rax, rdx
|
|
shl rax, 2
|
|
add rdi, rax
|
|
mov [rsp + 40], rdi ; save rgbs2
|
|
|
|
loop_y:
|
|
|
|
mov rcx, rdx ; width
|
|
shr rcx, 3
|
|
|
|
; save rdx
|
|
mov [rsp + 48], rdx
|
|
|
|
;prefetchnta 4096[rsp + 0] ; y
|
|
;prefetchnta 1024[rsp + 16] ; u
|
|
;prefetchnta 1024[rsp + 24] ; v
|
|
|
|
loop_x:
|
|
|
|
mov rsi, [rsp + 0] ; y1
|
|
mov rbx, [rsp + 16] ; u
|
|
mov rdx, [rsp + 24] ; v
|
|
mov rdi, [rsp + 32] ; rgbs1
|
|
|
|
; y1
|
|
call do8_uv
|
|
|
|
mov [rsp + 0], rsi ; y1
|
|
mov [rsp + 32], rdi ; rgbs1
|
|
|
|
mov rsi, [rsp + 8] ; y2
|
|
mov rdi, [rsp + 40] ; rgbs2
|
|
|
|
; y2
|
|
call do8
|
|
|
|
mov [rsp + 8], rsi ; y2
|
|
mov [rsp + 16], rbx ; u
|
|
mov [rsp + 24], rdx ; v
|
|
mov [rsp + 40], rdi ; rgbs2
|
|
|
|
dec rcx ; width
|
|
jnz loop_x
|
|
|
|
; restore rdx
|
|
mov rdx, [rsp + 48]
|
|
|
|
; update y1 and 2
|
|
mov rax, [rsp + 0]
|
|
mov rbx, rdx
|
|
add rax, rbx
|
|
mov [rsp + 0], rax
|
|
|
|
mov rax, [rsp + 8]
|
|
add rax, rbx
|
|
mov [rsp + 8], rax
|
|
|
|
; update rgb1 and 2
|
|
mov rax, [rsp + 32]
|
|
mov rbx, rdx
|
|
shl rbx, 2
|
|
add rax, rbx
|
|
mov [rsp + 32], rax
|
|
|
|
mov rax, [rsp + 40]
|
|
add rax, rbx
|
|
mov [rsp + 40], rax
|
|
|
|
mov rcx, rbp
|
|
dec rcx ; height
|
|
mov rbp, rcx
|
|
jnz loop_y
|
|
|
|
add rsp, 56
|
|
|
|
mov rax, 0
|
|
pop rbp
|
|
pop rdi
|
|
pop rsi
|
|
pop rbx
|
|
ret
|
|
align 16
|
|
|
|
|