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winamp/Src/Plugins/Visualization/vis_avs/r_blit.cpp
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2024-09-24 14:54:57 +02:00

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/*
LICENSE
-------
Copyright 2005 Nullsoft, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Nullsoft nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// alphachannel safe 11/21/99
// highly optimized on 10/10/00 JF. MMX.
#include <windows.h>
#include <commctrl.h>
#include "r_defs.h"
#include "resource.h"
#include "timing.h"
#include "../Agave/Language/api_language.h"
#ifndef LASER
#define C_THISCLASS C_BlitClass
#define MOD_NAME "Trans / Blitter Feedback"
static const unsigned int revn[2]={0xff00ff,0xff00ff};//{0x1000100,0x1000100}; <<- this is actually more correct, but we're going for consistency vs. the non-mmx ver-jf
static const int zero=0;
class C_THISCLASS : public C_RBASE {
protected:
public:
C_THISCLASS();
virtual ~C_THISCLASS();
virtual int render(char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h);
virtual char *get_desc() { static char desc[128]; return (!desc[0]?WASABI_API_LNGSTRING_BUF(IDS_TRANS_BLITTER_FEEDBACK,desc,128):desc); }
virtual HWND conf(HINSTANCE hInstance, HWND hwndParent);
virtual void load_config(unsigned char *data, int len);
virtual int save_config(unsigned char *data);
int scale, scale2, blend,beatch;
int fpos;
int subpixel;
int blitter_normal(int *framebuffer, int *fbout, int w, int h, int f_val);
int blitter_out(int *framebuffer, int *fbout, int w, int h, int f_val);
};
#define PUT_INT(y) data[pos]=(y)&255; data[pos+1]=(y>>8)&255; data[pos+2]=(y>>16)&255; data[pos+3]=(y>>24)&255
#define GET_INT() (data[pos]|(data[pos+1]<<8)|(data[pos+2]<<16)|(data[pos+3]<<24))
void C_THISCLASS::load_config(unsigned char *data, int len)
{
int pos=0;
if (len-pos >= 4) { scale=GET_INT(); pos+=4; }
if (len-pos >= 4) { scale2=GET_INT(); pos+=4; }
if (len-pos >= 4) { blend=GET_INT(); pos+=4; }
if (len-pos >= 4) { beatch=GET_INT(); pos+=4; }
if (len-pos >= 4) { subpixel=GET_INT(); pos+=4; }
else subpixel=0;
fpos=scale;
}
int C_THISCLASS::save_config(unsigned char *data)
{
int pos=0;
PUT_INT(scale); pos+=4;
PUT_INT(scale2); pos+=4;
PUT_INT(blend); pos+=4;
PUT_INT(beatch); pos+=4;
PUT_INT(subpixel); pos+=4;
return pos;
}
C_THISCLASS::C_THISCLASS()
{
scale=30;
scale2=30;
blend=0;
fpos=scale;
beatch=0;
subpixel=1;
}
C_THISCLASS::~C_THISCLASS()
{
}
int C_THISCLASS::blitter_out(int *framebuffer, int *fbout, int w, int h, int f_val)
{
const int adj=7;
int ds_x = ((f_val+(1<<adj)-32)<<(16-adj));
int x_len=((w<<16)/ds_x)&~3;
int y_len=(h<<16)/ds_x;
if (x_len >= w || y_len >= h) return 0;
int start_x=(w-x_len)/2;
int start_y=(h-y_len)/2;
int s_y=32768;
int *dest=(int *)framebuffer+start_y*w + start_x;
int *src=(int *)fbout+start_y*w + start_x;
int y;
fbout += start_y*w;
for (y = 0; y < y_len; y ++)
{
int s_x=32768;
unsigned int *src = ((unsigned int *) framebuffer)+(s_y>>16)*w;
unsigned int *old_dest=((unsigned int *)fbout) + start_x;
s_y+=ds_x;
if (!blend)
{
int x=x_len/4;
while (x--)
{
old_dest[0]=src[s_x>>16];
s_x += ds_x;
old_dest[1]=src[s_x>>16];
s_x += ds_x;
old_dest[2]=src[s_x>>16];
s_x += ds_x;
old_dest[3]=src[s_x>>16];
s_x += ds_x;
old_dest+=4;
}
}
else
{
unsigned int *s2=(unsigned int *)framebuffer+((y+start_y)*w)+start_x;
int x=x_len/4;
while (x--)
{
old_dest[0]=BLEND_AVG(s2[0],src[s_x>>16]);
s_x += ds_x;
old_dest[1]=BLEND_AVG(s2[1],src[s_x>>16]);
s_x += ds_x;
old_dest[2]=BLEND_AVG(s2[2],src[s_x>>16]);
s_x += ds_x;
old_dest[3]=BLEND_AVG(s2[3],src[s_x>>16]);
s2+=4;
old_dest+=4;
s_x += ds_x;
}
}
fbout += w;
}
for (y = 0; y < y_len; y ++)
{
memcpy(dest,src,x_len*sizeof(int));
dest+=w;
src+=w;
}
return 0;
}
int C_THISCLASS::blitter_normal(int *framebuffer, int *fbout, int w, int h, int f_val)
{
int ds_x = ((f_val+32)<<16)/64;
int isx=(((w<<16)-((ds_x*w)))/2);
int s_y=(((h<<16)-((ds_x*h)))/2);
if (subpixel)
{
int y;
for (y = 0; y < h; y ++)
{
int s_x=isx;
unsigned int *src = ((unsigned int *) framebuffer)+(s_y>>16)*w;
int ypart=(s_y>>8)&0xff;
s_y+=ds_x;
#ifdef NO_MMX
{
ypart=(ypart*255)>>8;
int x=w/4;
while (x--)
{
fbout[0]=BLEND4(src+(s_x>>16),w,(s_x>>8)&0xff,ypart);
s_x += ds_x;
fbout[1]=BLEND4(src+(s_x>>16),w,(s_x>>8)&0xff,ypart);
s_x += ds_x;
fbout[2]=BLEND4(src+(s_x>>16),w,(s_x>>8)&0xff,ypart);
s_x += ds_x;
fbout[3]=BLEND4(src+(s_x>>16),w,(s_x>>8)&0xff,ypart);
s_x += ds_x;
fbout+=4;
}
}
#else
{
__int64 mem5,mem7;
__asm
{
mov edi, fbout
mov esi, w
movd mm7, ypart
punpcklwd mm7,mm7
movq mm5, revn
punpckldq mm7,mm7
psubw mm5, mm7
mov ecx, esi
movq mem5,mm5
movq mem7,mm7
shr ecx, 1
mov edx, s_x
align 16
mmx_scale_loop1:
mov ebx, edx
mov eax, edx
shr eax, 14
add edx, ds_x
shr ebx, 8
and eax, ~3
add eax, src
and ebx, 0xff
movd mm6, ebx
//
movq mm4, revn
punpcklwd mm6,mm6
movd mm0, [eax]
punpckldq mm6,mm6
movd mm1, [eax+4]
psubw mm4, mm6
movd mm2, [eax+esi*4]
punpcklbw mm0, [zero]
movd mm3, [eax+esi*4+4]
pmullw mm0, mm4 // mm0 used in divide for 3 cycles
punpcklbw mm1, [zero]
mov eax, edx
pmullw mm1, mm6 // mm1 used in divide for 3 cycles
punpcklbw mm2, [zero]
pmullw mm2, mm4 // mm2 used in divide for 3 cycles
punpcklbw mm3, [zero]
pmullw mm3, mm6 // mm3 used in divide for 3 cycles
shr eax, 14
mov ebx, edx
and eax, ~3
paddw mm0, mm1
shr ebx, 8
psrlw mm0, 8
add eax, src
paddw mm2, mm3
and ebx, 0xff
pmullw mm0, mem5
psrlw mm2, 8
pmullw mm2, mem7
add edx, ds_x
movd mm6, ebx
//
movq mm4, revn
punpcklwd mm6,mm6
movd mm1, [eax+4]
//
movd mm7, [eax+esi*4]
paddw mm0, mm2
movd mm5, [eax]
psrlw mm0, 8
movd mm3, [eax+esi*4+4]
packuswb mm0, mm0
movd [edi], mm0
punpckldq mm6,mm6
//poop
punpcklbw mm5, [zero]
psubw mm4, mm6
punpcklbw mm1, [zero]
pmullw mm5, mm4
punpcklbw mm7, [zero]
pmullw mm1, mm6
punpcklbw mm3, [zero]
pmullw mm7, mm4
//cycle
//cycle
paddw mm5, mm1
//
pmullw mm3, mm6
psrlw mm5, 8
pmullw mm5, mem5
add edi, 8
// cycle
// cycle
paddw mm7, mm3
//
psrlw mm7, 8
//
pmullw mm7, mem7
dec ecx
// cycle
// cycle
// cycle
paddw mm5, mm7
psrlw mm5, 8
packuswb mm5, mm5
movd [edi-4], mm5
jnz mmx_scale_loop1
mov fbout, edi
}
} // end mmx
__asm emms;
#endif
if (blend) // reblend this scanline with the original
{
fbout-=w;
int x=w/4;
unsigned int *s2=(unsigned int *)framebuffer+y*w;
while (x--)
{
fbout[0]=BLEND_AVG(fbout[0],s2[0]);
fbout[1]=BLEND_AVG(fbout[1],s2[1]);
fbout[2]=BLEND_AVG(fbout[2],s2[2]);
fbout[3]=BLEND_AVG(fbout[3],s2[3]);
fbout+=4;
s2+=4;
}
}
} // end subpixel y loop
}
else // !subpixel
{
int y;
for (y = 0; y < h; y ++)
{
int s_x=isx;
unsigned int *src = ((unsigned int *) framebuffer)+(s_y>>16)*w;
int ypart=(s_y>>8)&0xff;
s_y+=ds_x;
if (!blend)
{
int x=w/4;
while (x--)
{
fbout[0]=src[s_x>>16];
s_x += ds_x;
fbout[1]=src[s_x>>16];
s_x += ds_x;
fbout[2]=src[s_x>>16];
s_x += ds_x;
fbout[3]=src[s_x>>16];
s_x += ds_x;
fbout+=4;
}
}
else
{
unsigned int *s2=(unsigned int *)framebuffer+(y*w);
int x=w/4;
while (x--)
{
fbout[0]=BLEND_AVG(s2[0],src[s_x>>16]);
s_x += ds_x;
fbout[1]=BLEND_AVG(s2[1],src[s_x>>16]);
s_x += ds_x;
fbout[2]=BLEND_AVG(s2[2],src[s_x>>16]);
s_x += ds_x;
fbout[3]=BLEND_AVG(s2[3],src[s_x>>16]);
s2+=4;
fbout+=4;
s_x += ds_x;
}
}
}
}
return 1;
}
int C_THISCLASS::render(char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h)
{
if (isBeat&0x80000000) return 0;
int f_val;
unsigned int *dest=(unsigned int *) fbout;
if (isBeat && beatch)
{
fpos=scale2;
}
if (scale < scale2)
{
f_val=(fpos > scale? fpos:scale);
fpos -= 3;
}
else
{
f_val=(fpos < scale? fpos :scale);
fpos+=3;
}
if (f_val<0) f_val=0;
if (f_val < 32) return blitter_normal(framebuffer,fbout,w,h,f_val);
if (f_val > 32) return blitter_out(framebuffer,fbout,w,h,f_val);
return 0;
}
C_RBASE *R_BlitterFB(char *desc)
{
if (desc) { strcpy(desc,MOD_NAME); return NULL; }
return (C_RBASE *) new C_THISCLASS();
}
static C_THISCLASS *g_this;
static BOOL CALLBACK g_DlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
{
int *a=NULL;
switch (uMsg)
{
case WM_INITDIALOG:
SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETRANGEMIN,0,0);
SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETRANGEMAX,0,256);
SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETPOS,1,g_this->scale);
SendDlgItemMessage(hwndDlg,IDC_SLIDER2,TBM_SETRANGEMIN,0,0);
SendDlgItemMessage(hwndDlg,IDC_SLIDER2,TBM_SETRANGEMAX,0,256);
SendDlgItemMessage(hwndDlg,IDC_SLIDER2,TBM_SETPOS,1,g_this->scale2);
if (g_this->blend==1) CheckDlgButton(hwndDlg,IDC_BLEND,BST_CHECKED);
if (g_this->subpixel) CheckDlgButton(hwndDlg,IDC_CHECK2,BST_CHECKED);
if (g_this->beatch==1) CheckDlgButton(hwndDlg,IDC_CHECK1,BST_CHECKED);
return 1;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_BLEND:
if (IsDlgButtonChecked(hwndDlg,IDC_BLEND))
{
g_this->blend=1;
}
else g_this->blend=0;
break;
case IDC_CHECK1:
if (IsDlgButtonChecked(hwndDlg,IDC_CHECK1))
g_this->beatch=1;
else g_this->beatch=0;
break;
case IDC_CHECK2:
if (IsDlgButtonChecked(hwndDlg,IDC_CHECK2))
{
g_this->subpixel=1;
}
else g_this->subpixel=0;
break;
}
return 0;
case WM_HSCROLL:
{
HWND swnd = (HWND) lParam;
int t = (int) SendMessage(swnd,TBM_GETPOS,0,0);
if (swnd == GetDlgItem(hwndDlg,IDC_SLIDER1))
{
g_this->scale=t;
g_this->fpos=t;
}
if (swnd == GetDlgItem(hwndDlg,IDC_SLIDER2))
{
g_this->scale2=t;
g_this->fpos=t;
}
}
}
return 0;
}
HWND C_THISCLASS::conf(HINSTANCE hInstance, HWND hwndParent)
{
g_this = this;
return WASABI_API_CREATEDIALOG(IDD_CFG_BLT,hwndParent,g_DlgProc);
}
#else
C_RBASE *R_BlitterFB(char *desc) { return NULL; }
#endif
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