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|
segment .rdata, align=16
correct dq 0000800000008000h
round dq 0000200000002000h
round1 dq 0000020000000200h
round2 dq 0002000000020000h
segment .text
%include "a_triblt.inc"
extern _kVDCubicInterpTableFX14_075_MMX
;--------------------------------------------------------------------------
global _vdasm_triblt_span_bilinear_mmx
_vdasm_triblt_span_bilinear_mmx:
push ebp
push edi
push esi
push ebx
mov edi,[esp+4+16]
mov edx,[edi+texinfo.dst]
mov ebp,[edi+texinfo.w]
shl ebp,2
mov ebx,[edi+texinfo.mips+mipmap.bits]
add edx,ebp
mov esi,[edi+texinfo.mips+mipmap.pitch]
neg ebp
movd mm6,[edi+texinfo.mips+mipmap.uvmul]
pxor mm7,mm7
mov edi,[edi+texinfo.src]
.xloop:
movq mm4,[edi]
movq mm0,mm4
psrld mm0,16
movq mm5,mm4
packssdw mm0,mm0
pmaddwd mm0,mm6
add edi,8
punpcklwd mm4,mm4
punpckldq mm4,mm4
movd ecx,mm0
add ecx,ebx
psrlw mm4,1
movd mm0,dword [ecx]
movd mm1,dword [ecx+4]
punpcklbw mm0,mm7
movd mm2,dword [ecx+esi]
punpcklbw mm1,mm7
movd mm3,dword [ecx+esi+4]
punpcklbw mm2,mm7
punpcklbw mm3,mm7
psubw mm1,mm0
psubw mm3,mm2
paddw mm1,mm1
paddw mm3,mm3
pmulhw mm1,mm4
pmulhw mm3,mm4
punpckhwd mm5,mm5
punpckldq mm5,mm5
paddw mm0,mm1
psrlw mm5,1
paddw mm2,mm3
psubw mm2,mm0
paddw mm2,mm2
pmulhw mm2,mm5
paddw mm0,mm2
packuswb mm0,mm0
movd dword [edx+ebp],mm0
add ebp,4
jnc .xloop
pop ebx
pop esi
pop edi
pop ebp
emms
ret
;--------------------------------------------------------------------------
global _vdasm_triblt_span_trilinear_mmx
_vdasm_triblt_span_trilinear_mmx:
push ebp
push edi
push esi
push ebx
mov esi,[esp+4+16]
mov edx,[esi+texinfo.dst]
mov ebp,[esi+texinfo.w]
shl ebp,2
add edx,ebp
neg ebp
mov edi,[esi+texinfo.src]
pxor mm7,mm7
.xloop:
movd mm6,[edi+mipspan.u]
punpckldq mm6,[edi+mipspan.v]
mov eax,[edi+mipspan.lambda]
shr eax,4
and eax,byte -16
movd mm2,eax
psrlq mm2,4
psrld mm6,mm2
paddd mm6,[correct]
;fetch mipmap 1
mov ebx,[esi+eax+mipmap.pitch]
movd mm1,[esi+eax+mipmap.uvmul]
movq mm4,mm6
movq mm0,mm6
psrld mm0,16
packssdw mm0,mm0
pmaddwd mm0,mm1
movq mm5,mm4
punpcklwd mm4,mm4
punpckldq mm4,mm4
punpckhwd mm5,mm5
punpckldq mm5,mm5
movd ecx,mm0
add ecx,[esi+eax+mipmap.bits]
psrlw mm4,1
movd mm0,dword [ecx]
movd mm1,dword [ecx+4]
punpcklbw mm0,mm7
movd mm2,dword [ecx+ebx]
punpcklbw mm1,mm7
movd mm3,dword [ecx+ebx+4]
punpcklbw mm2,mm7
punpcklbw mm3,mm7
psubw mm1,mm0
psubw mm3,mm2
paddw mm1,mm1
paddw mm3,mm3
pmulhw mm1,mm4
pmulhw mm3,mm4
paddw mm0,mm1
psrlw mm5,1
paddw mm2,mm3
psubw mm2,mm0
paddw mm2,mm2
pmulhw mm2,mm5
paddw mm0,mm2
;fetch mipmap 2
mov ebx,[esi+eax+16+mipmap.pitch]
movd mm1,[esi+eax+16+mipmap.uvmul]
paddd mm6,[correct]
psrld mm6,1
movq mm4,mm6
psrld mm6,16
packssdw mm6,mm6
pmaddwd mm6,mm1
movq mm5,mm4
punpcklwd mm4,mm4
punpckldq mm4,mm4
punpckhwd mm5,mm5
punpckldq mm5,mm5
movd ecx,mm6
add ecx,[esi+eax+16+mipmap.bits]
psrlw mm4,1
movd mm6,dword [ecx]
movd mm1,dword [ecx+4]
punpcklbw mm6,mm7
movd mm2,dword [ecx+ebx]
punpcklbw mm1,mm7
movd mm3,dword [ecx+ebx+4]
punpcklbw mm2,mm7
punpcklbw mm3,mm7
psubw mm1,mm6
psubw mm3,mm2
paddw mm1,mm1
paddw mm3,mm3
pmulhw mm1,mm4
pmulhw mm3,mm4
paddw mm6,mm1
psrlw mm5,1
paddw mm2,mm3
psubw mm2,mm6
paddw mm2,mm2
pmulhw mm2,mm5
paddw mm6,mm2
;blend mips
movd mm1,[edi+mipspan.lambda]
punpcklwd mm1,mm1
punpckldq mm1,mm1
psllw mm1,8
psrlq mm1,1
psubw mm6,mm0
paddw mm6,mm6
pmulhw mm6,mm1
paddw mm0,mm6
packuswb mm0,mm0
movd dword [edx+ebp],mm0
add edi, mipspan_size
add ebp,4
jnc .xloop
pop ebx
pop esi
pop edi
pop ebp
emms
ret
;--------------------------------------------------------------------------
%macro .SETUPADDR 1
;compute mipmap index and UV
movd mm0, [edi + mipspan.u]
punpckldq mm0, [edi + mipspan.v]
mov ebx, [edi + mipspan.lambda]
shr ebx, 4
and ebx, byte -16
add ebx, mipmap_size*%1
movd mm2, ebx
add ebx, [esp + .af_mipbase]
psrlq mm2, 4
psrad mm0, mm2
paddd mm0, [correct]
movq mm1, mm0
psrlq mm1, 32
;compute horizontal filters
movd ecx, mm0
shr ecx, 4
and ecx, 0ff0h
add ecx, _kVDCubicInterpTableFX14_075_MMX
;compute vertical filter
movd edx, mm1
and edx, 0ff00h
shr edx, 4
add edx, _kVDCubicInterpTableFX14_075_MMX
;compute texel address
movd mm1, [ebx + mipmap.uvmul]
psrld mm0, 16
packssdw mm0, mm0
pmaddwd mm0, mm1
movd eax, mm0
add eax, [ebx + mipmap.bits]
%endmacro
%macro .HCUBIC 4
movd %1, dword [eax]
punpcklbw %1, qword [eax+4]
movd %3, dword [eax+8]
punpcklbw %3, qword [eax+12]
movq %2, %1
movq %4, %3
punpcklbw %1, mm7
pmaddwd %1, [ecx]
punpcklbw %3, mm7
pmaddwd %3, [ecx+8]
punpckhbw %2, mm7
pmaddwd %2, [ecx]
punpckhbw %4, mm7
pmaddwd %4, [ecx+8]
paddd %1, %3
paddd %2, %4
%endmacro
%macro .VCUBIC 1
.HCUBIC mm0, mm1, mm2, mm3
add eax, %1
.HCUBIC mm4, mm5, mm2, mm3
add eax, %1
movq mm2, [round1]
paddd mm0, mm2
paddd mm1, mm2
paddd mm4, mm2
paddd mm5, mm2
psrad mm0, 10
psrad mm1, 10
psrad mm4, 10
psrad mm5, 10
packssdw mm0, mm0
packssdw mm1, mm1
packssdw mm4, mm4
packssdw mm5, mm5
punpcklwd mm0, mm4
punpcklwd mm1, mm5
movq mm3, [edx]
pmaddwd mm0, mm3
pmaddwd mm1, mm3
movq [esp + .af_htemp0], mm0
movq [esp + .af_htemp1], mm1
.HCUBIC mm0, mm1, mm2, mm3
add eax, %1
.HCUBIC mm4, mm5, mm2, mm3
movq mm2, [round1]
paddd mm0, mm2
paddd mm1, mm2
paddd mm4, mm2
paddd mm5, mm2
psrad mm0, 10
psrad mm1, 10
psrad mm4, 10
psrad mm5, 10
packssdw mm0, mm0
packssdw mm1, mm1
packssdw mm4, mm4
packssdw mm5, mm5
punpcklwd mm0, mm4
punpcklwd mm1, mm5
movq mm2, [round2]
movq mm3, [edx + 8]
pmaddwd mm0, mm3
pmaddwd mm1, mm3
paddd mm0, [esp + .af_htemp0]
paddd mm1, [esp + .af_htemp1]
paddd mm0, mm2
paddd mm1, mm2
psrad mm0, 18
psrad mm1, 18
packssdw mm0, mm1
%endmacro
global _vdasm_triblt_span_bicubic_mip_linear_mmx
_vdasm_triblt_span_bicubic_mip_linear_mmx:
;parameters
%define .p_texinfo 20
;aligned frame
%define .af_htemp0 0
%define .af_htemp1 8
%define .af_vtemp0 16
%define .af_mipbase 24
%define .af_prevesp 28
%define .afsize 32
push ebp
lea ebp, [esp-12]
push edi
push esi
push ebx
sub esp, .afsize
and esp, -8
mov [esp + .af_prevesp], ebp
mov ebx, [ebp + .p_texinfo]
mov ebp, [ebx + texinfo.dst]
mov esi, [ebx + texinfo.w]
shl esi, 2
add ebp,esi
neg esi
mov edi, [ebx + texinfo.src]
mov [esp + .af_mipbase], ebx
pxor mm7, mm7
.xloop:
;registers:
; eax base texel address
; ebx first mip info
; ecx horizontal filter
; edx vertical filter
; esi horizontal count
; edi mipspan
; ebp destination
;fetch mipmap 1
.SETUPADDR 0
.VCUBIC [ebx+mipmap.pitch]
movq [esp + .af_vtemp0], mm0
;fetch mipmap 2
.SETUPADDR 1
.VCUBIC [ebx+mipmap.pitch]
;blend mips
movq mm1, [esp + .af_vtemp0]
psubw mm0, mm1
movd mm3,[edi+mipspan.lambda]
punpcklwd mm3,mm3
punpckldq mm3,mm3
psllw mm3,8
psrlq mm3,1
paddw mm0,mm0
pmulhw mm0,mm3
paddw mm0,mm1
packuswb mm0,mm0
movd dword [ebp+esi],mm0
add edi, mipspan_size
add esi,4
jnc .xloop
mov esp, [esp + .af_prevesp]
pop ebx
pop esi
pop edi
pop ebp
emms
ret
end
|
