#help_index "Graphics/Scrn"
U0 GrUpdateTaskODEs(CTask *task)
{
sys_task_being_scrn_updated=task;
try
ODEsUpdate(task);
catch {
LBts(&task->win_inhibit,WIf_SELF_ODE);
"Exception in WinMgr: Update Task ODEs\n";
PutExcept;
Sleep(3000);
VGAFlush;
}
sys_task_being_scrn_updated=NULL;
}
U0 GrUpdateTaskWin(CTask *task)
{ //Draw a win. Only Core0 tasks have a win.
CDC *dc;
CD3I64 saved_scroll;
sys_task_being_scrn_updated=task;
try {
if (!Bt(&task->display_flags,DISPLAYf_NO_BORDER))
TextBorder(Fs,task->win_left,task->win_right,task->win_top,
task->win_bottom,task->border_attr,task==sys_focus_task);
TextRect(task->win_left,task->win_right,
task->win_top,task->win_bottom,task->text_attr<<8);
if (task==sys_winmgr_task) {
if (gr.fp_wall_paper)
(*gr.fp_wall_paper)(task);
} else if (!(task->win_inhibit&WIF_SELF_DOC))
DocUpdateTaskDocs(task);
if (TaskValidate(task)) {
if (task->draw_it) {
dc=DCAlias(gr.dc2,task);
(*task->draw_it)(task,dc);
DCDel(dc);
}
if (TaskValidate(task)) {
WinScrollNull(task,&saved_scroll);
DrawCtrls(task);
WinScrollRestore(task,&saved_scroll);
}
}
} catch {
if (task!=Fs && TaskValidate(task)) {
LBtr(&task->display_flags,DISPLAYf_SHOW);
"Exception in WinMgr: Update Task Win\n";
PutExcept;
Sleep(3000);
VGAFlush;
}
}
sys_task_being_scrn_updated=NULL;
}
U0 GrUpdateTasks()
{//Only called by WinMgr
I64 i;
CTask *task,*task1;
try {
winmgr.ode_time=0;
if (Bt(&sys_semas[SEMA_UPDATE_WIN_Z_BUF],0))
WinZBufUpdate;
task1=task=sys_winmgr_task;
do { //Loop through Core0 tasks.
if (!TaskValidate(task)) break;
if (Bt(&task->display_flags,DISPLAYf_SHOW) &&
Bt(gr.win_uncovered_bitmap,task->win_z_num))
GrUpdateTaskWin(task);
if (!TaskValidate(task)) break;
task=task->next_task;
} while (task!=task1);
for (i=0;i<mp_cnt;i++) { //Loop through all cores.
task1=task=cpu_structs[i].seth_task;
do {
if (!TaskValidate(task)) break;
GrUpdateTaskODEs(task);
if (!TaskValidate(task)) break;
task=task->next_task;
} while (task!=task1);
}
} catch {
PutExcept(FALSE);
Dbg("Exception in WinMgr");
}
winmgr.last_ode_time=winmgr.ode_time;
ode_alloced_factor=LowPass1(0.1,ode_alloced_factor,
Clamp(Gs->idle_factor-0.1,0.2,0.8),1/winmgr.fps);
sys_task_being_scrn_updated=NULL;
}
U0 GrFixZoomScale()
{
gr.scrn_zoom=ClampI64(gr.scrn_zoom,1,GR_SCRN_ZOOM_MAX);
if (gr.scrn_zoom==1) {
gr.sx=0;
gr.sy=0;
} else {
gr.sx=ClampI64(gr.sx,0,GR_WIDTH-GR_WIDTH/gr.scrn_zoom)&~7;
gr.sy=ClampI64(gr.sy,0,GR_HEIGHT-GR_HEIGHT/gr.scrn_zoom);
}
}
public U0 GrScaleZoom(F64 scale)
{//Multiply zoom factor larger or smaller.
F64 s=gr.scrn_zoom;
gr.scrn_zoom=gr.scrn_zoom*scale;
GrFixZoomScale;
s/=gr.scrn_zoom;
ms.scale.x*=s;
ms.scale.y*=s;
ms.scale.z*=s;
ms.offset.x=ms.pos.x-(ms.pos.x-ms.offset.x)*s;
ms.offset.y=ms.pos.y-(ms.pos.y-ms.offset.y)*s;
ms.offset.z=ms.pos.z-(ms.pos.z-ms.offset.z)*s;
gr.sx=ms.pos.x-gr.zoomed_dc->width >>1/gr.scrn_zoom;
gr.sy=ms.pos.y-gr.zoomed_dc->height>>1/gr.scrn_zoom;
GrFixZoomScale;
}
U0 GrZoomInScrn()
{
GrFixZoomScale;
I64 plane,row,col,k,l,
d2=gr.zoomed_dc->width>>3/gr.scrn_zoom,
d4=gr.zoomed_dc->width_internal>>3,
d5=d4-d2*gr.scrn_zoom,
d3=gr.zoomed_dc->height/gr.scrn_zoom,
d6=(gr.zoomed_dc->height-d3)*gr.dc1->width_internal>>3,
d7=gr.zoomed_dc->height%gr.scrn_zoom*d4;
U8 *src,*src2,*dst,*src3,*map=gr.scrn_zoom_tables[gr.scrn_zoom];
src=gr.dc1->body+gr.sx>>3+gr.sy*gr.dc1->width_internal>>3;
dst=gr.zoomed_dc->body;
for (plane=1;plane<0x10;plane<<=1) {
row=d3;
while (row--) {
k=gr.scrn_zoom;
while (k--) {
src2=src;
col=d2;
while (col--) {
src3=&map[*src2++];
l=gr.scrn_zoom;
while (l--) {
*dst++=*src3;
src3+=256;
}
}
l=d5;
while (l--)
*dst++=0;
}
src+=d4;
}
l=d7;
while (l--)
*dst++=0;
src+=d6;
}
}
U0 GrUpdateTextBG()
{
I64 reg RSI *dst=gr.dc2->body,reg R13 c,row,col,
num_rows=TEXT_ROWS,num_cols=TEXT_COLS,i,j,cur_ch,
reg R12 w1=gr.dc2->width_internal,w2=-7*w1+8,w3=7*w1,w4=0;
U32 *src=gr.text_base;
Bool blink_flag=Blink;
U8 *dst2=dst;
if (gr.pan_text_x||gr.hide_col) {
gr.pan_text_x=ClampI64(gr.pan_text_x,-7,7);
j=AbsI64(gr.pan_text_x)/FONT_WIDTH+1;
num_cols-=j;
if (gr.pan_text_x<0) {
src+=j;
i=FONT_WIDTH*j+gr.pan_text_x;
} else
i=gr.pan_text_x;
dst2=dst(U8 *)+i;
w4=j;
w3+=j*FONT_WIDTH;
j*=FONT_WIDTH;
dst(U8 *)=gr.dc2->body;
for (row=num_rows*FONT_HEIGHT;row--;) {
for (col=i;col--;)
*dst(U8 *)++=0;
dst(U8 *)+=w1-i-j;
for (col=j;col--;)
*dst(U8 *)++=0;
}
}
dst=dst2;
if (gr.pan_text_y||gr.hide_row) {
gr.pan_text_y=ClampI64(gr.pan_text_y,-7,7);
j=AbsI64(gr.pan_text_y)/FONT_HEIGHT+1;
num_rows-=j;
if (gr.pan_text_y<0) {
src+=w1/FONT_WIDTH*j;
i=w1*(FONT_HEIGHT*j+gr.pan_text_y);
} else
i=w1*gr.pan_text_y;
dst2=dst(U8 *)+i;
j*=w1*FONT_HEIGHT;
dst(U8 *)=gr.dc2->body;
for (row=i;row--;)
*dst(U8 *)++=0;
dst(U8 *)=gr.dc2->body+TEXT_ROWS*TEXT_COLS*FONT_HEIGHT*FONT_WIDTH-j;
for (row=j;row--;)
*dst(U8 *)++=0;
}
dst=dst2;
for (row=num_rows;row--;) {
for (col=num_cols;col--;) {
cur_ch=*src++;
if (cur_ch & (ATTRF_SEL|ATTRF_INVERT|ATTRF_BLINK)) {
if (cur_ch & ATTRF_SEL)
cur_ch.u8[1]=cur_ch.u8[1]^0xFF;
if (cur_ch & ATTRF_INVERT)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
if (cur_ch & ATTRF_BLINK && blink_flag)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
}
c=gr.to_8_colors[cur_ch.u8[1]>>4];
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
ADD RSI,R12
MOV U64 [RSI],R13
dst(U8 *)+=w2;
}
src+=w4;
dst(U8 *)+=w3;
}
}
U0 GrUpdateTextFG()
{//See TextBase Layer.
U32 *src=gr.text_base;
I64 i,j,cur_ch,*dst=gr.dc2->body,
w1=gr.dc2->width_internal,w2=7*w1,w4=0,
num_rows=TEXT_ROWS,num_cols=TEXT_COLS,row,col;
U8 *dst_start=gr.dc2->body,*dst_end=dst_start+w1*gr.dc2->height-7*w1-8;
Bool blink_flag=Blink;
if (gr.pan_text_x||gr.hide_col) {
gr.pan_text_x=ClampI64(gr.pan_text_x,-7,7);
j=AbsI64(gr.pan_text_x)/FONT_WIDTH+1;
num_cols-=j;
if (gr.pan_text_x<0) {
src+=j;
dst(U8 *)+=FONT_WIDTH*j;
}
w4=j;
w2+=j*FONT_WIDTH;
}
if (gr.pan_text_y||gr.hide_row) {
gr.pan_text_y=ClampI64(gr.pan_text_y,-7,7);
j=AbsI64(gr.pan_text_y)/FONT_HEIGHT+1;
num_rows-=j;
if (gr.pan_text_y<0) {
src+=w1/FONT_WIDTH*j;
dst(U8 *)+=w1*FONT_HEIGHT*j;
}
}
for (row=num_rows;row--;) {
for (col=num_cols;col--;) {
cur_ch=*src++;
if (cur_ch & (ATTRF_UNDERLINE|ATTRF_SEL|ATTRF_INVERT|ATTRF_BLINK)) {
if (cur_ch & ATTRF_SEL)
cur_ch.u8[1]=cur_ch.u8[1]^0xFF;
if (cur_ch & ATTRF_INVERT)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
if (cur_ch & ATTRF_BLINK && blink_flag)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
}
if (i=cur_ch.u16[1]&0x3FF+gr.pan_text_x+gr.pan_text_y<<5) {
j=i&0x1F;
if (j&0x10) j|=~0x1F;
i>>=5;
if (i&0x10) i|=~0x1F;
i=w1*i+j;
if (dst_start<=dst(U8 *)+i<dst_end)
GrRopEquU8NoClipping(cur_ch&(ATTRF_UNDERLINE+0xFFF),dst(U8 *)+i,w1);
} else
GrRopEquU8NoClipping(cur_ch&(ATTRF_UNDERLINE+0xFFF),dst,w1);
dst(U8 *)+=8;
}
src+=w4;
dst(U8 *)+=w2;
}
}
U0 DCBlotColor8(CDC *dc,CDC *img)
{
U8 *src=img->body,*b0=dc->body;
I64 j,k,d0=img->width_internal*img->height;
for (k=0;k<d0;k++) {
j=*src++;
if (j!=TRANSPARENT)
*b0++=j;
else
b0++;
}
}
U0 GrUpdateTextModeText()
{
U32 *src=gr.text_base;
I64 cur_ch,i=TEXT_COLS*TEXT_ROWS;
U16 *dst=text.vga_text_alias,*dst2=gr.vga_text_cache;
Bool blink_flag=Blink;
if (LBtr(&sys_semas[SEMA_FLUSH_VGA_IMAGE],0)) {
while (i--) {
cur_ch=*src++;
if (cur_ch & ATTRF_SEL)
cur_ch.u8[1]=cur_ch.u8[1]^0xFF;
if (cur_ch & ATTRF_INVERT)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
if (cur_ch & ATTRF_BLINK)
if (blink_flag)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
*dst++=*dst2++=cur_ch&0x7FFF;
}
} else {
while (i--) {
cur_ch=*src++;
if (cur_ch & ATTRF_SEL)
cur_ch.u8[1]=cur_ch.u8[1]^0xFF;
if (cur_ch & ATTRF_INVERT)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
if (cur_ch & ATTRF_BLINK)
if (blink_flag)
cur_ch.u8[1]=cur_ch.u8[1]<<4+cur_ch.u8[1]>>4;
cur_ch&=0x7FFF;
if (*dst2!=cur_ch)
*dst++=*dst2++=cur_ch;
else {
dst++;
dst2++;
}
}
}
}
U0 GrUpdateVGAGraphics()
{//Update Graphic Card
I64 row,plane,d=gr.zoomed_dc->width_internal>>6;
U32 *src,*vga,*dst;
if (gr.scrn_zoom==1)
src=gr.dc1->body;
else {
GrZoomInScrn;
src=gr.zoomed_dc->body;
}
dst=gr.scrn_image->body;
if (LBtr(&sys_semas[SEMA_FLUSH_VGA_IMAGE],0)) {
for (plane=1;plane<0x10;plane<<=1) {
OutU8(VGAP_IDX,VGAR_MAP_MASK);
OutU8(VGAP_DATA,plane);
vga=text.vga_alias;
row=gr.zoomed_dc->height;
while (row--)
GrUpdateLine64FlushCache(&vga,&src,d,&dst);
}
} else {
for (plane=1;plane<0x10;plane<<=1) {
OutU8(VGAP_IDX,VGAR_MAP_MASK);
OutU8(VGAP_DATA,plane);
vga=text.vga_alias;
row=gr.zoomed_dc->height;
while (row--)
GrUpdateLine64(&vga,&src,d,&dst);
}
}
}
U0 GrUpdateScrn()
{//Called by the Window Manager HERE, 30 times a second.
CDC *dc;
if (!Bt(&sys_run_level,RLf_VGA)) //if text mode
GrUpdateTasks;
else {
GrUpdateTextBG;
GrUpdateTextFG;
GrUpdateTasks;
DCBlotColor8(gr.dc2,gr.dc);
}
dc=DCAlias(gr.dc2,Fs);
dc->flags|=DCF_ON_TOP;
if (gr.fp_final_scrn_update)
(*gr.fp_final_scrn_update)(dc);
DCDel(dc);
if (!Bt(&sys_run_level,RLf_VGA)) //if text mode
GrUpdateTextModeText;
else {
DCBlotColor4(gr.dc1->body,gr.dc2->body,gr.dc_cache->body,
gr.dc2->height*gr.dc2->width_internal>>3);
GrUpdateVGAGraphics;
}
}