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Started adding motion blur support

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pagefault
2003-02-28 20:19:21 +00:00
parent 9c08e0447e
commit 8cf5011098
7 changed files with 180 additions and 20 deletions
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140
zsnes/src/video/sw_draw.asm
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@@ -132,41 +132,149 @@ NEWSYM DrawWin256x224x16
popad
ret
EXTSYM copymaskRB,copymaskG,copymagic
NEWSYM DrawWin256x224x32
pushad
mov ax,ds
mov es,ax
xor eax,eax
%ifdef __WIN32__
mov ebx, [BitConv32Ptr]
%endif
mov esi, [ScreenPtr]
mov edi, [SurfBufD]
movq mm4, [copymaskRB]
movq mm5, [copymaskG]
movq mm6, [copymagic]
.Copying32b:
mov ecx,256
push eax
xor eax,eax
mov ecx,64
.CopyLoop32b:
mov ax,[esi]
add esi,2
mov edx,[ebx+eax*4]
mov [edi],edx
add edi,4
movq mm0, [esi]
movq mm1,mm0
punpcklwd mm0,mm0
movq mm2,mm0
pand mm0,mm4
pmaddwd mm0,mm6
punpckhwd mm1,mm1
movq mm3,mm1
pand mm1,mm4
pmaddwd mm1,mm6
pslld mm2,5
pslld mm3,5
pand mm2,mm5
pand mm3,mm5
por mm0,mm2
add esi,8
por mm1,mm3
movq [edi],mm0
movq [edi+8],mm1
add edi,16
dec ecx
jnz .CopyLoop32b
pop eax
inc eax
add edi, [pitch]
sub edi,1024
sub esi,512
add esi,576
%ifdef __WIN32__
cmp eax,239
%else
cmp eax,223
%endif
jne .Copying32b
popad
emms
ret
EXTSYM blur_buffer,blur_temp,coef
NEWSYM DrawWin256x224x32MB
pushad
mov ax,ds
mov es,ax
xor eax,eax
mov esi,[ScreenPtr]
mov edi,[blur_temp]
or edi,edi
jnz .blur_it2
mov edi,[SurfBufD]
.blur_it2:
movq mm4, [copymaskRB]
movq mm5, [copymaskG]
movq mm6, [copymagic]
.Copying32b:
mov ecx,64 ;256
.CopyLoop32b:
movq mm0,[esi]
movq mm1,mm0
punpcklwd mm0,mm0
movq mm2,mm0
pand mm0,mm4
pmaddwd mm0,mm6
punpckhwd mm1,mm1
movq mm3,mm1
pand mm1,mm4
pmaddwd mm1,mm6
pslld mm2,5
pslld mm3,5
pand mm2,mm5
pand mm3,mm5
por mm0,mm2
add esi, 8
por mm1,mm3
movq [edi],mm0
movq [edi+8],mm1
add edi,16
dec ecx
jnz .CopyLoop32b
inc eax
add edi, [pitch]
sub edi,1024
sub esi,512
add esi,576
cmp eax,239
jne .Copying32b
mov esi, [blur_buffer]
or esi,esi
jz near .no_blur2
mov edi,[SurfBufD]
mov ebx,[blur_temp]
add esi,256*240*4
add edi,256*240*4
add ebx,256*240*4
mov ecx,-(256*240)
movq mm5, [coef]
pxor mm6,mm6
.blur_loop2:
movq mm0, [esi+ecx*4]
movq mm1, mm0
movq mm3, [ebx+ecx*4]
movq mm4, mm3
punpcklbw mm0,mm6
punpckhbw mm1,mm6
punpcklbw mm3,mm6
punpckhbw mm4,mm6
movq mm2, mm3
movq mm3, mm0
punpcklwd mm0,mm2
punpckhwd mm3,mm2
movq mm2, mm4
movq mm4, mm1
punpcklwd mm1,mm2
punpckhwd mm4,mm2
pmaddwd mm0,mm5
psrld mm0,8
pmaddwd mm1,mm5
psrld mm1,8
pmaddwd mm3,mm5
psrld mm3,8
pmaddwd mm4,mm5
psrld mm4,8
packssdw mm0,mm3
packssdw mm1,mm4
packuswb mm0,mm1
movq [esi+ecx*4],mm0
movq [edi+ecx*4],mm0
inc ecx
inc ecx
jnz .blur_loop2
.no_blur2:
popad
emms
ret
NEWSYM DrawWin320x240x16