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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; VESA20.INC ;;
;; ;;
;; Vesa 2.0 functions for MenuetOS ;;
;; ;;
;; Copyright 2002 Ville Turjanmaa ;;
;; Alexey, kgaz@crosswindws.net ;;
;; - Voodoo compatible graphics ;;
;; Juan M. Caravaca ;;
;; - Graphics optimimizations eg. drawline ;;
;; ;;
;; See file COPYING for details ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision$
 
 
; If you're planning to write your own video driver I suggest
; you replace the VESA12.INC file and see those instructions.
 
;Screen_Max_X equ 0xfe00
;Screen_Max_Y equ 0xfe04
;BytesPerScanLine equ 0xfe08
;LFBAddress equ 0xfe80
;ScreenBPP equ 0xfbf1
 
 
 
;*************************************************
; getpixel
;
; in:
; eax = x coordinate
; ebx = y coordinate
;
; ret:
; ecx = 00 RR GG BB
 
getpixel:
push eax ebx edx edi
call dword [GETPIXEL]
pop edi edx ebx eax
ret
 
Vesa20_getpixel24:
; eax = x
; ebx = y
imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
lea edi, [eax+eax*2] ; edi = x*3
add edi, ebx ; edi = x*3+(y*y multiplier)
mov ecx, [LFB_BASE+edi]
and ecx, 0xffffff
ret
 
Vesa20_getpixel32:
imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier)
mov ecx, [LFB_BASE+edi]
and ecx, 0xffffff
ret
 
;*************************************************
 
virtual at esp
putimg:
.real_sx dd ?
.real_sy dd ?
.image_sx dd ?
.image_sy dd ?
.image_cx dd ?
.image_cy dd ?
.pti dd ?
.abs_cx dd ?
.abs_cy dd ?
.line_increment dd ?
.winmap_newline dd ?
.screen_newline dd ?
.stack_data = 4*12
.edi dd ?
.esi dd ?
.ebp dd ?
.esp dd ?
.ebx dd ?
.edx dd ?
.ecx dd ?
.eax dd ?
.ret_addr dd ?
.arg_0 dd ?
end virtual
 
align 16
; ebx = pointer
; ecx = size [x|y]
; edx = coordinates [x|y]
; ebp = pointer to 'get' function
; esi = pointer to 'init' function
; edi = parameter for 'get' function
 
vesa20_putimage:
pushad
call [_display.disable_mouse]
sub esp, putimg.stack_data
; save pointer to image
mov [putimg.pti], ebx
; unpack the size
mov eax, ecx
and ecx, 0xFFFF
shr eax, 16
mov [putimg.image_sx], eax
mov [putimg.image_sy], ecx
; unpack the coordinates
mov eax, edx
and edx, 0xFFFF
shr eax, 16
mov [putimg.image_cx], eax
mov [putimg.image_cy], edx
; calculate absolute (i.e. screen) coordinates
mov eax, [TASK_BASE]
mov ebx, [eax-twdw + WDATA.box.left]
add ebx, [putimg.image_cx]
mov [putimg.abs_cx], ebx
mov ebx, [eax-twdw + WDATA.box.top]
add ebx, [putimg.image_cy]
mov [putimg.abs_cy], ebx
; real_sx = MIN(wnd_sx-image_cx, image_sx);
mov ebx, [eax-twdw + WDATA.box.width] ; ebx = wnd_sx
; \begin{diamond}[20.08.2006]
; note that WDATA.box.width is one pixel less than real window x-size
inc ebx
; \end{diamond}[20.08.2006]
sub ebx, [putimg.image_cx]
ja @f
add esp, putimg.stack_data
popad
ret
@@:
cmp ebx, [putimg.image_sx]
jbe .end_x
mov ebx, [putimg.image_sx]
.end_x:
mov [putimg.real_sx], ebx
; init real_sy
mov ebx, [eax-twdw + WDATA.box.height] ; ebx = wnd_sy
; \begin{diamond}[20.08.2006]
inc ebx
; \end{diamond}[20.08.2006]
sub ebx, [putimg.image_cy]
ja @f
add esp, putimg.stack_data
popad
ret
@@:
cmp ebx, [putimg.image_sy]
jbe .end_y
mov ebx, [putimg.image_sy]
.end_y:
mov [putimg.real_sy], ebx
; line increment
mov eax, [putimg.image_sx]
mov ecx, [putimg.real_sx]
sub eax, ecx
;; imul eax, [putimg.source_bpp]
; lea eax, [eax + eax * 2]
call esi
add eax, [putimg.arg_0]
mov [putimg.line_increment], eax
; winmap new line increment
mov eax, [Screen_Max_X]
inc eax
sub eax, [putimg.real_sx]
mov [putimg.winmap_newline], eax
; screen new line increment
mov eax, [BytesPerScanLine]
movzx ebx, byte [ScreenBPP]
shr ebx, 3
imul ecx, ebx
sub eax, ecx
mov [putimg.screen_newline], eax
; pointer to image
mov esi, [putimg.pti]
; pointer to screen
mov edx, [putimg.abs_cy]
imul edx, [BytesPerScanLine]
mov eax, [putimg.abs_cx]
movzx ebx, byte [ScreenBPP]
shr ebx, 3
imul eax, ebx
add edx, eax
; pointer to pixel map
mov eax, [putimg.abs_cy]
imul eax, [Screen_Max_X]
add eax, [putimg.abs_cy]
add eax, [putimg.abs_cx]
add eax, [_WinMapAddress]
xchg eax, ebp
; get process number
mov ebx, [CURRENT_TASK]
cmp byte [ScreenBPP], 32
je put_image_end_32
;put_image_end_24:
mov edi, [putimg.real_sy]
align 4
.new_line:
mov ecx, [putimg.real_sx]
; push ebp edx
align 4
.new_x:
push [putimg.edi]
mov eax, [putimg.ebp+4]
call eax
cmp [ebp], bl
jne .skip
; mov eax, [esi] ; eax = RRBBGGRR
mov [LFB_BASE+edx], ax
shr eax, 16
mov [LFB_BASE+edx+2], al
.skip:
; add esi, 3 ;[putimg.source_bpp]
add edx, 3
inc ebp
dec ecx
jnz .new_x
; pop edx ebp
add esi, [putimg.line_increment]
add edx, [putimg.screen_newline] ;[BytesPerScanLine]
add ebp, [putimg.winmap_newline] ;[Screen_Max_X]
; inc ebp
cmp [putimg.ebp], putimage_get1bpp
jz .correct
cmp [putimg.ebp], putimage_get2bpp
jz .correct
cmp [putimg.ebp], putimage_get4bpp
jnz @f
.correct:
mov eax, [putimg.edi]
mov byte [eax], 80h
@@:
dec edi
jnz .new_line
.finish:
add esp, putimg.stack_data
popad
ret
 
put_image_end_32:
mov edi, [putimg.real_sy]
align 4
.new_line:
mov ecx, [putimg.real_sx]
; push ebp edx
align 4
.new_x:
push [putimg.edi]
mov eax, [putimg.ebp+4]
call eax
cmp [ebp], bl
jne .skip
; mov eax, [esi] ; ecx = RRBBGGRR
mov [LFB_BASE+edx], eax
.skip:
; add esi, [putimg.source_bpp]
add edx, 4
inc ebp
dec ecx
jnz .new_x
; pop edx ebp
add esi, [putimg.line_increment]
add edx, [putimg.screen_newline] ;[BytesPerScanLine]
add ebp, [putimg.winmap_newline] ;[Screen_Max_X]
; inc ebp
cmp [putimg.ebp], putimage_get1bpp
jz .correct
cmp [putimg.ebp], putimage_get2bpp
jz .correct
cmp [putimg.ebp], putimage_get4bpp
jnz @f
.correct:
mov eax, [putimg.edi]
mov byte [eax], 80h
@@:
dec edi
jnz .new_line
.finish:
add esp, putimg.stack_data
popad
call VGA__putimage
mov [EGA_counter],1
ret
 
 
;*************************************************
align 4
__sys_putpixel:
 
; eax = x coordinate
; ebx = y coordinate
; ecx = ?? RR GG BB ; 0x01000000 negation
; edi = 0x00000001 force
 
;;; mov [novesachecksum], dword 0
pushad
cmp [Screen_Max_X], eax
jb .exit
cmp [Screen_Max_Y], ebx
jb .exit
test edi,1 ; force ?
jnz .forced
 
; not forced:
 
push eax
mov edx,[_display.width] ; screen x size
imul edx, ebx
add eax, [_WinMapAddress]
movzx edx, byte [eax+edx]
cmp edx, [CURRENT_TASK]
pop eax
jne .exit
 
.forced:
; check if negation
test ecx,0x01000000
jz .noneg
call getpixel
not ecx
mov [esp+32-8],ecx
.noneg:
; OK to set pixel
call dword [PUTPIXEL] ; call the real put_pixel function
.exit:
popad
ret
 
align 4
Vesa20_putpixel24:
; eax = x
; ebx = y
imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
lea edi, [eax+eax*2] ; edi = x*3
mov eax, [esp+32-8+4]
mov [LFB_BASE+ebx+edi], ax
shr eax, 16
mov [LFB_BASE+ebx+edi+2], al
ret
 
 
align 4
Vesa20_putpixel32:
; eax = x
; ebx = y
imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier)
mov eax, [esp+32-8+4] ; eax = color
mov [LFB_BASE+edi], eax
ret
 
;*************************************************
 
;align 4
calculate_edi:
mov edi, ebx
imul edi, [Screen_Max_X]
add edi, ebx
add edi, eax
ret
 
;*************************************************
 
; DRAWLINE
 
align 4
__sys_draw_line:
; inc [mouse_pause]
call [_display.disable_mouse]
 
; draw a line
; eax = HIWORD = x1
; LOWORD = x2
; ebx = HIWORD = y1
; LOWORD = y2
; ecx = color
; edi = force ?
pusha
 
dl_x1 equ esp+20
dl_y1 equ esp+16
dl_x2 equ esp+12
dl_y2 equ esp+8
dl_dx equ esp+4
dl_dy equ esp+0
 
xor edx, edx ; clear edx
xor esi, esi ; unpack arguments
xor ebp, ebp
mov si, ax ; esi = x2
mov bp, bx ; ebp = y2
shr eax, 16 ; eax = x1
shr ebx, 16 ; ebx = y1
push eax ; save x1
push ebx ; save y1
push esi ; save x2
push ebp ; save y2
; checking x-axis...
sub esi, eax ; esi = x2-x1
push esi ; save y2-y1
jl .x2lx1 ; is x2 less than x1 ?
jg .no_vline ; x1 > x2 ?
mov edx, ebp ; else (if x1=x2)
call vline
push edx ; necessary to rightly restore stack frame at .exit
jmp .exit
.x2lx1:
neg esi ; get esi absolute value
.no_vline:
; checking y-axis...
sub ebp, ebx ; ebp = y2-y1
push ebp ; save y2-y1
jl .y2ly1 ; is y2 less than y1 ?
jg .no_hline ; y1 > y2 ?
mov edx, [dl_x2] ; else (if y1=y2)
call hline
jmp .exit
 
.y2ly1:
neg ebp ; get ebp absolute value
.no_hline:
cmp ebp, esi
jle .x_rules ; |y2-y1| < |x2-x1| ?
cmp [dl_y2], ebx ; make sure y1 is at the begining
jge .no_reverse1
neg dword [dl_dx]
mov edx, [dl_x2]
mov [dl_x2], eax
mov [dl_x1], edx
mov edx, [dl_y2]
mov [dl_y2], ebx
mov [dl_y1], edx
.no_reverse1:
mov eax, [dl_dx]
cdq ; extend eax sing to edx
shl eax, 16 ; using 16bit fix-point maths
idiv ebp ; eax = ((x2-x1)*65536)/(y2-y1)
mov edx, ebp ; edx = counter (number of pixels to draw)
mov ebp, 1 *65536 ; <<16 ; ebp = dy = 1.0
mov esi, eax ; esi = dx
jmp .y_rules
 
.x_rules:
cmp [dl_x2], eax ; make sure x1 is at the begining
jge .no_reverse2
neg dword [dl_dy]
mov edx, [dl_x2]
mov [dl_x2], eax
mov [dl_x1], edx
mov edx, [dl_y2]
mov [dl_y2], ebx
mov [dl_y1], edx
.no_reverse2:
xor edx, edx
mov eax, [dl_dy]
cdq ; extend eax sing to edx
shl eax, 16 ; using 16bit fix-point maths
idiv esi ; eax = ((y2-y1)*65536)/(x2-x1)
mov edx, esi ; edx = counter (number of pixels to draw)
mov esi, 1 *65536 ;<< 16 ; esi = dx = 1.0
mov ebp, eax ; ebp = dy
.y_rules:
mov eax, [dl_x1]
mov ebx, [dl_y1]
shl eax, 16
shl ebx, 16
align 4
.draw:
push eax ebx
shr eax, 16
shr ebx, 16
call [putpixel]
pop ebx eax
add ebx, ebp ; y = y+dy
add eax, esi ; x = x+dx
dec edx
jnz .draw
; force last drawn pixel to be at (x2,y2)
mov eax, [dl_x2]
mov ebx, [dl_y2]
call [putpixel]
.exit:
add esp, 6*4
popa
; dec [mouse_pause]
call [draw_pointer]
ret
 
 
hline:
; draw an horizontal line
; eax = x1
; edx = x2
; ebx = y
; ecx = color
; edi = force ?
push eax edx
cmp edx, eax ; make sure x2 is above x1
jge @f
xchg eax, edx
align 4
@@:
call [putpixel]
inc eax
cmp eax, edx
jle @b
pop edx eax
ret
 
 
vline:
; draw a vertical line
; eax = x
; ebx = y1
; edx = y2
; ecx = color
; edi = force ?
push ebx edx
cmp edx, ebx ; make sure y2 is above y1
jge @f
xchg ebx, edx
align 4
@@:
call [putpixel]
inc ebx
cmp ebx, edx
jle @b
pop edx ebx
ret
 
 
;*************************************************
 
 
virtual at esp
drbar:
.bar_sx dd ?
.bar_sy dd ?
.bar_cx dd ?
.bar_cy dd ?
.abs_cx dd ?
.abs_cy dd ?
.real_sx dd ?
.real_sy dd ?
.color dd ?
.line_inc_scr dd ?
.line_inc_map dd ?
.stack_data = 4*11
end virtual
 
align 4
; eax cx
; ebx cy
; ecx xe
; edx ye
; edi color
vesa20_drawbar:
pushad
call [_display.disable_mouse]
sub esp, drbar.stack_data
mov [drbar.color], edi
sub edx, ebx
jle .exit ;// mike.dld, 2005-01-29
sub ecx, eax
jle .exit ;// mike.dld, 2005-01-29
mov [drbar.bar_sy], edx
mov [drbar.bar_sx], ecx
mov [drbar.bar_cx], eax
mov [drbar.bar_cy], ebx
mov edi, [TASK_BASE]
add eax, [edi-twdw + WDATA.box.left] ; win_cx
add ebx, [edi-twdw + WDATA.box.top] ; win_cy
mov [drbar.abs_cx], eax
mov [drbar.abs_cy], ebx
; real_sx = MIN(wnd_sx-bar_cx, bar_sx);
mov ebx, [edi-twdw + WDATA.box.width] ; ebx = wnd_sx
; \begin{diamond}[20.08.2006]
; note that WDATA.box.width is one pixel less than real window x-size
inc ebx
; \end{diamond}[20.08.2006]
sub ebx, [drbar.bar_cx]
ja @f
.exit: ;// mike.dld, 2005-01-29
add esp, drbar.stack_data
popad
xor eax, eax
inc eax
ret
@@:
cmp ebx, [drbar.bar_sx]
jbe .end_x
mov ebx, [drbar.bar_sx]
.end_x:
mov [drbar.real_sx], ebx
; real_sy = MIN(wnd_sy-bar_cy, bar_sy);
mov ebx, [edi-twdw + WDATA.box.height] ; ebx = wnd_sy
; \begin{diamond}[20.08.2006]
inc ebx
; \end{diamond}
sub ebx, [drbar.bar_cy]
ja @f
add esp, drbar.stack_data
popad
xor eax, eax
inc eax
ret
@@:
cmp ebx, [drbar.bar_sy]
jbe .end_y
mov ebx, [drbar.bar_sy]
.end_y:
mov [drbar.real_sy], ebx
; line_inc_map
mov eax, [Screen_Max_X]
sub eax, [drbar.real_sx]
inc eax
mov [drbar.line_inc_map], eax
; line_inc_scr
mov eax, [drbar.real_sx]
movzx ebx, byte [ScreenBPP]
shr ebx, 3
imul eax, ebx
neg eax
add eax, [BytesPerScanLine]
mov [drbar.line_inc_scr], eax
; pointer to screen
mov edx, [drbar.abs_cy]
imul edx, [BytesPerScanLine]
mov eax, [drbar.abs_cx]
; movzx ebx, byte [ScreenBPP]
; shr ebx, 3
imul eax, ebx
add edx, eax
; pointer to pixel map
mov eax, [drbar.abs_cy]
imul eax, [Screen_Max_X]
add eax, [drbar.abs_cy]
add eax, [drbar.abs_cx]
add eax, [_WinMapAddress]
xchg eax, ebp
; get process number
mov ebx, [CURRENT_TASK]
cmp byte [ScreenBPP], 24
jne draw_bar_end_32
draw_bar_end_24:
mov eax, [drbar.color] ;; BBGGRR00
mov bh, al ;; bh = BB
shr eax, 8 ;; eax = RRGG
; eax - color high RRGG
; bl - process num
; bh - color low BB
; ecx - temp
; edx - pointer to screen
; esi - counter
; edi - counter
mov esi, [drbar.real_sy]
align 4
.new_y:
mov edi, [drbar.real_sx]
align 4
.new_x:
cmp byte [ebp], bl
jne .skip
 
mov [LFB_BASE+edx], bh
mov [LFB_BASE+edx + 1], ax
.skip:
; add pixel
add edx, 3
inc ebp
dec edi
jnz .new_x
; add line
add edx, [drbar.line_inc_scr]
add ebp, [drbar.line_inc_map]
; <Ivan 15.10.04> drawing gradient bars
test eax, 0x00800000
jz @f
test bh, bh
jz @f
dec bh
@@:
; </Ivan 15.10.04>
dec esi
jnz .new_y
add esp, drbar.stack_data
popad
xor eax, eax
ret
 
draw_bar_end_32:
mov eax, [drbar.color] ;; BBGGRR00
mov esi, [drbar.real_sy]
align 4
.new_y:
mov edi, [drbar.real_sx]
align 4
.new_x:
cmp byte [ebp], bl
jne .skip
 
mov [LFB_BASE+edx], eax
.skip:
; add pixel
add edx, 4
inc ebp
dec edi
jnz .new_x
; add line
add edx, [drbar.line_inc_scr]
add ebp, [drbar.line_inc_map]
; <Ivan 15.10.04> drawing gradient bars
test eax, 0x80000000
jz @f
test al, al
jz @f
dec al
@@:
; </Ivan 15.10.04>
dec esi
jnz .new_y
add esp, drbar.stack_data
popad
call VGA_draw_bar
xor eax, eax
mov [EGA_counter],1
ret
 
align 4
vesa20_drawbackground_tiled:
call [_display.disable_mouse]
pushad
; External loop for all y from start to end
mov ebx, [draw_data+32+RECT.top] ; y start
dp2:
mov ebp, [draw_data+32+RECT.left] ; x start
; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp]
; and LFB data (output for our function) [edi]
mov eax, [BytesPerScanLine]
mul ebx
xchg ebp, eax
add ebp, eax
add ebp, eax
add ebp, eax
cmp [ScreenBPP], byte 24 ; 24 or 32 bpp ? - x size
jz @f
add ebp, eax
@@:
add ebp, LFB_BASE
; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB
call calculate_edi
xchg edi, ebp
add ebp, [_WinMapAddress]
; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress
; 2) Calculate offset in background memory block
push eax
xor edx, edx
mov eax, ebx
div dword [BgrDataHeight] ; edx := y mod BgrDataHeight
pop eax
push eax
mov ecx, [BgrDataWidth]
mov esi, edx
imul esi, ecx ; esi := (y mod BgrDataHeight) * BgrDataWidth
xor edx, edx
div ecx ; edx := x mod BgrDataWidth
sub ecx, edx
add esi, edx ; esi := (y mod BgrDataHeight)*BgrDataWidth + (x mod BgrDataWidth)
pop eax
lea esi, [esi*3]
add esi, [img_background]
xor edx, edx
inc edx
; 3) Loop through redraw rectangle and copy background data
; Registers meaning:
; eax = x, ebx = y (screen coordinates)
; ecx = deltax - number of pixels left in current tile block
; edx = 1
; esi -> bgr memory, edi -> output
; ebp = offset in WinMapAddress
dp3:
cmp [ebp], dl
jnz nbgp
movsb
movsb
movsb
jmp @f
nbgp:
add esi, 3
add edi, 3
@@:
cmp [ScreenBPP], byte 25 ; 24 or 32 bpp?
sbb edi, -1 ; +1 for 32 bpp
; I do not use 'inc eax' because this is slightly slower then 'add eax,1'
add ebp, edx
add eax, edx
cmp eax, [draw_data+32+RECT.right]
ja dp4
sub ecx, edx
jnz dp3
; next tile block on x-axis
mov ecx, [BgrDataWidth]
sub esi, ecx
sub esi, ecx
sub esi, ecx
jmp dp3
dp4:
; next scan line
inc ebx
cmp ebx, [draw_data+32+RECT.bottom]
jbe dp2
popad
mov [EGA_counter], 1
call VGA_drawbackground
ret
 
; ----------
 
 
vesa20_drawbackground_stretch:
call [_display.disable_mouse]
pushad
; Helper variables
; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)
mov eax, [BgrDataWidth]
dec eax
xor edx, edx
div dword [Screen_Max_X]
push eax ; high
xor eax, eax
div dword [Screen_Max_X]
push eax ; low
; the same for height
mov eax, [BgrDataHeight]
dec eax
xor edx, edx
div dword [Screen_Max_Y]
push eax ; high
xor eax, eax
div dword [Screen_Max_Y]
push eax ; low
; External loop for all y from start to end
mov ebx, [draw_data+32+RECT.top] ; y start
mov ebp, [draw_data+32+RECT.left] ; x start
; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp]
; and LFB data (output for our function) [edi]
mov eax, [BytesPerScanLine]
mul ebx
xchg ebp, eax
add ebp, eax
add ebp, eax
add ebp, eax
cmp [ScreenBPP], byte 24 ; 24 or 32 bpp ? - x size
jz @f
add ebp, eax
@@:
; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB
call calculate_edi
xchg edi, ebp
; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress
push ebx
push eax
; 2) Calculate offset in background memory block
mov eax, ebx
imul ebx, dword [esp+12]
mul dword [esp+8]
add edx, ebx ; edx:eax = y * 2^32*(BgrDataHeight-1)/(ScreenHeight-1)
mov esi, edx
imul esi, [BgrDataWidth]
push edx
push eax
mov eax, [esp+8]
mul dword [esp+28]
push eax
mov eax, [esp+12]
mul dword [esp+28]
add [esp], edx
pop edx ; edx:eax = x * 2^32*(BgrDataWidth-1)/(ScreenWidth-1)
add esi, edx
lea esi, [esi*3]
add esi, [img_background]
push eax
push edx
push esi
; 3) Smooth horizontal
bgr_resmooth0:
mov ecx, [esp+8]
mov edx, [esp+4]
mov esi, [esp]
push edi
mov edi, bgr_cur_line
call smooth_line
bgr_resmooth1:
mov eax, [esp+16+4]
inc eax
cmp eax, [BgrDataHeight]
jae bgr.no2nd
mov ecx, [esp+8+4]
mov edx, [esp+4+4]
mov esi, [esp+4]
add esi, [BgrDataWidth]
add esi, [BgrDataWidth]
add esi, [BgrDataWidth]
mov edi, bgr_next_line
call smooth_line
bgr.no2nd:
pop edi
sdp3:
xor esi, esi
mov ecx, [esp+12]
; 4) Loop through redraw rectangle and copy background data
; Registers meaning:
; esi = offset in current line, edi -> output
; ebp = offset in WinMapAddress
; dword [esp] = offset in bgr data
; qword [esp+4] = x * 2^32 * (BgrDataWidth-1) / (ScreenWidth-1)
; qword [esp+12] = y * 2^32 * (BgrDataHeight-1) / (ScreenHeight-1)
; dword [esp+20] = x
; dword [esp+24] = y
; precalculated constants:
; qword [esp+28] = 2^32*(BgrDataHeight-1)/(ScreenHeight-1)
; qword [esp+36] = 2^32*(BgrDataWidth-1)/(ScreenWidth-1)
sdp3a:
mov eax, [_WinMapAddress]
cmp [ebp+eax], byte 1
jnz snbgp
mov eax, [bgr_cur_line+esi]
test ecx, ecx
jz .novert
mov ebx, [bgr_next_line+esi]
call [overlapping_of_points_ptr]
.novert:
 
mov [LFB_BASE+edi], ax
shr eax, 16
 
mov [LFB_BASE+edi+2], al
snbgp:
cmp [ScreenBPP], byte 25
sbb edi, -4
add ebp, 1
mov eax, [esp+20]
add eax, 1
mov [esp+20], eax
add esi, 4
cmp eax, [draw_data+32+RECT.right]
jbe sdp3a
sdp4:
; next y
mov ebx, [esp+24]
add ebx, 1
mov [esp+24], ebx
cmp ebx, [draw_data+32+RECT.bottom]
ja sdpdone
; advance edi, ebp to next scan line
sub eax, [draw_data+32+RECT.left]
sub ebp, eax
add ebp, [Screen_Max_X]
add ebp, 1
sub edi, eax
sub edi, eax
sub edi, eax
cmp [ScreenBPP], byte 24
jz @f
sub edi, eax
@@:
add edi, [BytesPerScanLine]
; restore ecx,edx; advance esi to next background line
mov eax, [esp+28]
mov ebx, [esp+32]
add [esp+12], eax
mov eax, [esp+16]
adc [esp+16], ebx
sub eax, [esp+16]
mov ebx, eax
lea eax, [eax*3]
imul eax, [BgrDataWidth]
sub [esp], eax
mov eax, [draw_data+32+RECT.left]
mov [esp+20], eax
test ebx, ebx
jz sdp3
cmp ebx, -1
jnz bgr_resmooth0
push edi
mov esi, bgr_next_line
mov edi, bgr_cur_line
mov ecx, [Screen_Max_X]
inc ecx
rep movsd
jmp bgr_resmooth1
sdpdone:
add esp, 44
popad
mov [EGA_counter],1
call VGA_drawbackground
ret
 
uglobal
align 4
bgr_cur_line rd 1920 ; maximum width of screen
bgr_next_line rd 1920
endg
 
smooth_line:
mov al, [esi+2]
shl eax, 16
mov ax, [esi]
test ecx, ecx
jz @f
mov ebx, [esi+2]
shr ebx, 8
call [overlapping_of_points_ptr]
@@:
stosd
mov eax, [esp+20+8]
add eax, 1
mov [esp+20+8], eax
cmp eax, [draw_data+32+RECT.right]
ja @f
add ecx, [esp+36+8]
mov eax, edx
adc edx, [esp+40+8]
sub eax, edx
lea eax, [eax*3]
sub esi, eax
jmp smooth_line
@@:
mov eax, [draw_data+32+RECT.left]
mov [esp+20+8], eax
ret
 
align 16
overlapping_of_points:
if 0
; this version of procedure works, but is slower than next version
push ecx edx
mov edx, eax
push esi
shr ecx, 24
mov esi, ecx
mov ecx, ebx
movzx ebx, dl
movzx eax, cl
sub eax, ebx
movzx ebx, dh
imul eax, esi
add dl, ah
movzx eax, ch
sub eax, ebx
imul eax, esi
add dh, ah
ror ecx, 16
ror edx, 16
movzx eax, cl
movzx ebx, dl
sub eax, ebx
imul eax, esi
pop esi
add dl, ah
mov eax, edx
pop edx
ror eax, 16
pop ecx
ret
else
push ecx edx
mov edx, eax
push esi
shr ecx, 26
mov esi, ecx
mov ecx, ebx
shl esi, 9
movzx ebx, dl
movzx eax, cl
sub eax, ebx
movzx ebx, dh
add dl, [BgrAuxTable+(eax+0x100)+esi]
movzx eax, ch
sub eax, ebx
add dh, [BgrAuxTable+(eax+0x100)+esi]
ror ecx, 16
ror edx, 16
movzx eax, cl
movzx ebx, dl
sub eax, ebx
add dl, [BgrAuxTable+(eax+0x100)+esi]
pop esi
mov eax, edx
pop edx
ror eax, 16
pop ecx
ret
end if
 
iglobal
align 4
overlapping_of_points_ptr dd overlapping_of_points
endg
 
init_background:
mov edi, BgrAuxTable
xor edx, edx
.loop2:
mov eax, edx
shl eax, 8
neg eax
mov ecx, 0x200
.loop1:
mov byte [edi], ah
inc edi
add eax, edx
loop .loop1
add dl, 4
jnz .loop2
test byte [cpu_caps+(CAPS_MMX/8)], 1 shl (CAPS_MMX mod 8)
jz @f
mov [overlapping_of_points_ptr], overlapping_of_points_mmx
@@:
ret
 
align 16
overlapping_of_points_mmx:
movd mm0, eax
movd mm4, eax
movd mm1, ebx
pxor mm2, mm2
punpcklbw mm0, mm2
punpcklbw mm1, mm2
psubw mm1, mm0
movd mm3, ecx
psrld mm3, 24
packuswb mm3, mm3
packuswb mm3, mm3
pmullw mm1, mm3
psrlw mm1, 8
packuswb mm1, mm2
paddb mm4, mm1
movd eax, mm4
ret
Property changes:
Added: svn:keywords
+Rev
\ No newline at end of property
/kernel/branches/Kolibri-A/trunk/video/vesa12.inc
0,0 → 1,1004
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; VESA12.INC ;;
;; ;;
;; Vesa 1.2 functions for MenuetOS ;;
;; ;;
;; Copyright 2002 Ville Turjanmaa ;;
;; ;;
;; quickcode@mail.ru - bankswitch for S3 cards ;;
;; ;;
;; See file COPYING for details ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision$
 
 
TRIDENT equ 0
S3_VIDEO equ 0
INTEL_VIDEO equ 0
 
if TRIDENT
if S3_VIDEO or INTEL_VIDEO
stop
end if
end if
 
if S3_VIDEO
if TRIDENT or INTEL_VIDEO
stop
end if
end if
 
if INTEL_VIDEO
if S3_VIDEO or TRIDENT
stop
end if
end if
 
 
; A complete video driver should include the following types of function
;
; Putpixel
; Getpixel
;
; Drawimage
; Drawbar
;
; Drawbackground
;
;
; Modifying the set_bank -function is mostly enough
; for different Vesa 1.2 setups.
 
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
; set_bank for Trident videocards, work on Trident 9440
; modified by Mario79
 
if TRIDENT
set_bank:
pushfd
cli
cmp al,[BANK_RW]
je .retsb
 
mov [BANK_RW],al
push dx
mov dx,3D8h
out dx,al
pop dx
.retsb:
popfd
ret
end if
 
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
; set_bank for S3 videocards, work on S3 ViRGE PCI (325)
; modified by kmeaw
 
if S3_VIDEO
set_bank:
pushfd
cli
cmp al,[BANK_RW]
je .retsb
 
mov [BANK_RW],al
push ax
push dx
push cx
mov cl, al
mov dx, 0x3D4
mov al, 0x38
out dx, al ;CR38 Register Lock 1 ;Note: Traditionally 48h is used to
;unlock and 00h to lock
inc dx
mov al, 0x48
out dx, al ;3d5 -?
dec dx
mov al, 0x31
out dx, al ;CR31 Memory Configuration Register
;0 Enable Base Address Offset (CPUA BASE). Enables bank operation if set, ;disables if clear.
;4-5 Bit 16-17 of the Display Start Address. For the 801/5,928 see index 51h,
;for the 864/964 see index 69h.
 
inc dx
in al, dx
dec dx
mov ah, al
mov al, 0x31
out dx, ax
mov al, ah
or al, 9
inc dx
out dx, al
dec dx
mov al, 0x35
out dx, al ;CR35 CRT Register Lock
inc dx
in al, dx
dec dx
and al, 0xF0
mov ch, cl
and ch, 0x0F
or ch, al
mov al, 0x35
out dx, al
inc dx
mov al, ch
out dx, ax
dec dx
mov al, 0x51 ;Extended System Control 2 Register
out dx, al
inc dx
in al, dx
dec dx
and al, 0xF3
shr cl, 2
and cl, 0x0C
or cl, al
mov al, 0x51
out dx, al
inc dx
mov al, cl
out dx, al
dec dx
mov al, 0x38
out dx, al
inc dx
xor al, al
out dx, al
dec dx
pop cx
pop dx
pop ax
.retsb:
popfd
ret
end if
 
;Set bank function for Intel 810/815 chipsets
; *****Modified by Protopopius, Russia.*****
; ********* http://menuetos.hut.ru **************
; ************************************************
 
if INTEL_VIDEO
 
set_bank:
pushfd
cli
 
cmp al,[BANK_RW]
je .retsb
 
mov [BANK_RW],al
push ax
push dx
mov dx,3CEh
mov ah,al ; Save value for later use
mov al,10h ; Index GR10 (Address Mapping)
out dx,al ; Select GR10
inc dl
mov al,3 ; Set bits 0 and 1 (Enable linear page mapping)
out dx,al ; Write value
dec dl
mov al,11h ; Index GR11 (Page Selector)
out dx,al ; Select GR11
inc dl
mov al,ah ; Write address
out dx,al ; Write the value
pop dx
pop ax
.retsb:
popfd
ret
end if
 
;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!}
 
if (TRIDENT or S3_VIDEO or INTEL_VIDEO)
else
set_bank:
pushfd
cli
 
cmp al,[BANK_RW]
je .retsb
 
mov [BANK_RW],al
push ax
push dx
mov ah,al
mov dx,0x03D4
mov al,0x39
out dx,al
inc dl
mov al,0xA5
out dx,al
dec dl
mov al,6Ah
out dx,al
inc dl
mov al,ah
out dx,al
dec dl
mov al,0x39
out dx,al
inc dl
mov al,0x5A
out dx,al
dec dl
pop dx
pop ax
 
.retsb:
popfd
ret
end if
 
vesa12_drawbackground:
 
call [_display.disable_mouse]
 
push eax
push ebx
push ecx
push edx
 
xor edx,edx
mov eax,dword[BgrDataWidth]
mov ebx,dword[BgrDataHeight]
mul ebx
mov ebx,3
mul ebx
mov [imax],eax
mov eax,[draw_data+32+RECT.left]
mov ebx,[draw_data+32+RECT.top]
xor edi,edi ;no force
 
v12dp3:
 
push eax
push ebx
 
cmp [BgrDrawMode],dword 1 ; tiled background
jne no_vesa12_tiled_bgr
 
push edx
 
xor edx,edx
div dword [BgrDataWidth]
 
push edx
mov eax,ebx
xor edx,edx
div dword [BgrDataHeight]
mov ebx,edx
pop eax
 
pop edx
 
no_vesa12_tiled_bgr:
 
cmp [BgrDrawMode],dword 2 ; stretched background
jne no_vesa12_stretched_bgr
 
push edx
 
mul dword [BgrDataWidth]
mov ecx,[Screen_Max_X]
inc ecx
div ecx
 
push eax
mov eax,ebx
mul dword [BgrDataHeight]
mov ecx,[Screen_Max_Y]
inc ecx
div ecx
mov ebx,eax
pop eax
 
pop edx
 
no_vesa12_stretched_bgr:
 
 
mov esi,ebx
imul esi, dword [BgrDataWidth]
add esi,eax
lea esi,[esi*3]
add esi,[img_background] ;IMG_BACKGROUND
pop ebx
pop eax
 
v12di4:
 
mov cl,[esi+2]
shl ecx,16
mov cx,[esi]
pusha
mov esi,eax
mov edi,ebx
mov eax,[Screen_Max_X]
add eax,1
mul ebx
add eax, [_WinMapAddress]
cmp [eax+esi],byte 1
jnz v12nbgp
mov eax,[BytesPerScanLine]
mov ebx,edi
mul ebx
add eax, esi
lea eax, [VGABasePtr+eax+esi*2]
cmp [ScreenBPP],byte 24
jz v12bgl3
add eax,esi
 
v12bgl3:
 
push ebx
push eax
 
sub eax,VGABasePtr
 
shr eax,16
call set_bank
pop eax
and eax,65535
add eax,VGABasePtr
pop ebx
 
mov [eax],cx
add eax,2
shr ecx,16
mov [eax],cl
sti
 
v12nbgp:
 
popa
add esi,3
inc eax
cmp eax,[draw_data+32+RECT.right]
jg v12nodp31
jmp v12dp3
 
v12nodp31:
 
mov eax,[draw_data+32+RECT.left]
inc ebx
cmp ebx,[draw_data+32+RECT.bottom]
jg v12dp4
jmp v12dp3
 
v12dp4:
 
pop edx
pop ecx
pop ebx
pop eax
ret
 
 
vesa12_drawbar:
 
call [_display.disable_mouse]
 
;; mov [novesachecksum],dword 0
sub edx,ebx
sub ecx,eax
push esi
push edi
push eax
push ebx
push ecx
push edx
mov ecx,[TASK_BASE]
add eax,[ecx-twdw+WDATA.box.left]
add ebx,[ecx-twdw+WDATA.box.top]
push eax
mov eax,ebx ; y
mov ebx,[BytesPerScanLine]
mul ebx
pop ecx
add eax,ecx ; x
add eax,ecx
add eax,ecx
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start
jz dbpi2412
add eax,ecx
 
dbpi2412:
 
add eax,VGABasePtr
mov edi,eax
 
; x size
 
mov eax,[esp+4] ; [esp+6]
mov ecx,eax
add ecx,eax
add ecx,eax
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size
jz dbpi24312
add ecx,eax
 
dbpi24312:
 
mov ebx,[esp+0]
 
; check limits ?
 
push eax
push ecx
mov eax,[TASK_BASE]
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.left]
cmp ecx,0
jnz dbcblimitlset12
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.top]
cmp ecx,0
jnz dbcblimitlset12
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right]
cmp ecx,[Screen_Max_X]
jnz dbcblimitlset12
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom]
cmp ecx,[Screen_Max_Y]
jnz dbcblimitlset12
pop ecx
pop eax
push dword 0
jmp dbcblimitlno12
 
dbcblimitlset12:
 
pop ecx
pop eax
push dword 1
 
dbcblimitlno12:
 
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ?
jz dbpi24bit12
jmp dbpi32bit12
 
 
; DRAWBAR 24 BBP
 
 
dbpi24bit12:
 
push eax
push ebx
push edx
mov eax,ecx
mov ebx,3
div ebx
mov ecx,eax
pop edx
pop ebx
pop eax
cld
 
dbnewpi12:
 
push ebx
push edi
push ecx
 
xor edx,edx
mov eax,edi
sub eax,VGABasePtr
mov ebx,3
div ebx
add eax, [_WinMapAddress]
mov ebx,[CURRENT_TASK]
cld
 
dbnp2412:
 
mov dl,[eax]
push eax
push ecx
cmp dl,bl
jnz dbimp24no12
cmp [esp+5*4],dword 0
jz dbimp24yes12
; call dbcplimit
; jnz dbimp24no12
 
dbimp24yes12:
 
push edi
mov eax,edi
sub eax,VGABasePtr
shr eax,16
call set_bank
and edi,0xffff
add edi,VGABasePtr
mov eax,[esp+8+3*4+16+4+4]
stosw
shr eax,16
stosb
sti
pop edi
add edi,3
pop ecx
pop eax
inc eax
loop dbnp2412
jmp dbnp24d12
 
dbimp24no12:
 
pop ecx
pop eax
cld
add edi,3
inc eax
loop dbnp2412
 
dbnp24d12:
 
mov eax,[esp+3*4+16+4]
test eax,0x80000000
jz nodbgl2412
cmp al,0
jz nodbgl2412
dec eax
mov [esp+3*4+16+4],eax
 
nodbgl2412:
 
pop ecx
pop edi
pop ebx
add edi,[BytesPerScanLine]
dec ebx
jz dbnonewpi12
jmp dbnewpi12
 
dbnonewpi12:
 
add esp,7*4
 
ret
 
 
; DRAWBAR 32 BBP
 
 
dbpi32bit12:
 
cld
shr ecx,2
 
dbnewpi3212:
 
push ebx
push edi
push ecx
 
mov eax,edi
sub eax,VGABasePtr
shr eax,2
add eax, [_WinMapAddress]
mov ebx,[CURRENT_TASK]
cld
 
dbnp3212:
 
mov dl,[eax]
push eax
push ecx
cmp dl,bl
jnz dbimp32no12
cmp [esp+5*4],dword 0
jz dbimp32yes12
; call dbcplimit
; jnz dbimp32no12
 
dbimp32yes12:
 
push edi
mov eax,edi
sub eax,VGABasePtr
shr eax,16
call set_bank
and edi,0xffff
add edi,VGABasePtr
mov eax,[esp+8+3*4+16+4+4]
stosw
shr eax,16
stosb
sti
pop edi
add edi,4
inc ebp
pop ecx
pop eax
inc eax
loop dbnp3212
jmp dbnp32d12
 
dbimp32no12:
 
pop ecx
pop eax
inc eax
add edi,4
inc ebp
loop dbnp3212
 
dbnp32d12:
 
mov eax,[esp+12+16+4]
test eax,0x80000000
jz nodbgl3212
cmp al,0
jz nodbgl3212
dec eax
mov [esp+12+16+4],eax
 
nodbgl3212:
 
pop ecx
pop edi
pop ebx
add edi,[BytesPerScanLine]
dec ebx
jz nodbnewpi3212
jmp dbnewpi3212
 
nodbnewpi3212:
 
add esp,7*4
ret
 
 
Vesa12_putpixel24:
 
mov edi,eax ; x
mov eax,ebx ; y
lea edi,[edi+edi*2]
mov ebx,[BytesPerScanLine]
mul ebx
add edi,eax
mov eax,edi
shr eax,16
call set_bank
and edi,65535
add edi,VGABasePtr
mov eax,[esp+28]
stosw
shr eax,16
mov [edi],al
sti
ret
 
 
 
Vesa12_putpixel32:
 
mov edi,eax ; x
mov eax,ebx ; y
shl edi,2
mov ebx,[BytesPerScanLine]
mul ebx
add edi,eax
mov eax,edi
shr eax,16
call set_bank
and edi,65535
add edi,VGABasePtr
mov ecx,[esp+28]
mov [edi],ecx
sti
ret
 
 
Vesa12_getpixel24:
 
mov edi,eax ; x
mov eax,ebx ; y
lea edi,[edi+edi*2]
mov ebx,[BytesPerScanLine]
mul ebx
add edi,eax
mov eax,edi
shr eax,16
call set_bank
and edi,65535
add edi,VGABasePtr
mov ecx,[edi]
and ecx,255*256*256+255*256+255
sti
ret
 
 
Vesa12_getpixel32:
 
mov edi,eax ; x
mov eax,ebx ; y
shl edi,2
mov ebx,[BytesPerScanLine]
xor edx,edx
mul ebx
add edi,eax
mov eax,edi
shr eax,16
call set_bank
and edi,65535
add edi,VGABasePtr
mov ecx,[edi]
and ecx,255*256*256+255*256+255
sti
 
ret
 
 
 
vesa12_putimage:
; ebx = pointer to image
; ecx = size [x|y]
; edx = coordinates [x|y]
; ebp = pointer to 'get' function
; esi = pointer to 'init' function
; edi = parameter for 'get' function
 
; mov ebx,image
; mov ecx,320*65536+240
; mov edx,20*65536+20
 
call [_display.disable_mouse]
 
mov [novesachecksum],dword 0
push esi
push edi
push eax
push ebx
push ecx
push edx
movzx eax,word [esp+2]
movzx ebx,word [esp+0]
mov ecx,[TASK_BASE]
add eax,[ecx-twdw+WDATA.box.left]
add ebx,[ecx-twdw+WDATA.box.top]
push eax
mov eax,ebx ; y
mul dword [BytesPerScanLine]
pop ecx
add eax,ecx ; x
add eax,ecx
add eax,ecx
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start
jz pi2412
add eax,ecx
 
pi2412:
 
add eax,VGABasePtr
mov edi,eax
 
; x size
 
movzx ecx,word [esp+6]
 
mov esi,[esp+8]
movzx ebx,word [esp+4]
 
; check limits while draw ?
 
push ecx
mov eax,[TASK_BASE]
cmp dword [eax+draw_data-CURRENT_TASK+RECT.left], 0
jnz dbcblimitlset212
cmp dword [eax+draw_data-CURRENT_TASK+RECT.top], 0
jnz dbcblimitlset212
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right]
cmp ecx,[Screen_Max_X]
jnz dbcblimitlset212
mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom]
cmp ecx,[Screen_Max_Y]
jnz dbcblimitlset212
pop ecx
push 0
jmp dbcblimitlno212
 
dbcblimitlset212:
 
pop ecx
push 1
 
dbcblimitlno212:
 
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ?
jnz pi32bit12
 
pi24bit12:
 
newpi12:
 
push edi
push ecx
push ebx
 
mov edx,edi
sub edx,VGABasePtr
mov ebx,3
div ebx
add edx, [_WinMapAddress]
mov ebx,[CURRENT_TASK]
mov bh,[esp+4*3]
 
np2412:
 
cmp bl,[edx]
jnz imp24no12
; mov eax,[esi]
push dword [esp+4*3+20]
call ebp
; cmp bh,0
; jz imp24yes12
; call dbcplimit
; jnz imp24no12
 
imp24yes12:
 
push edi
push eax
mov eax,edi
sub eax,VGABasePtr
shr eax,16
call set_bank
pop eax
and edi,0xffff
add edi,VGABasePtr
mov [edi],ax
shr eax,16
mov [edi+2],al
pop edi
 
imp24no12:
 
inc edx
; add esi,3
add edi,3
dec ecx
jnz np2412
 
np24d12:
 
pop ebx
pop ecx
pop edi
 
add edi,[BytesPerScanLine]
add esi,[esp+32]
cmp ebp,putimage_get1bpp
jz .correct
cmp ebp,putimage_get2bpp
jz .correct
cmp ebp,putimage_get4bpp
jnz @f
.correct:
mov eax,[esp+20]
mov byte[eax],80h
@@:
dec ebx
jnz newpi12
 
nonewpi12:
 
pop eax edx ecx ebx eax edi esi
xor eax, eax
ret
 
 
pi32bit12:
 
newpi3212:
 
push edi
push ecx
push ebx
 
mov edx,edi
sub edx,VGABasePtr
shr edx,2
add edx, [_WinMapAddress]
mov ebx,[CURRENT_TASK]
mov bh,[esp+4*3]
 
np3212:
 
cmp bl,[edx]
jnz imp32no12
; mov eax,[esi]
push dword [esp+4*3+20]
call ebp
; cmp bh,0
; jz imp32yes12
; call dbcplimit
; jnz imp32no12
 
imp32yes12:
 
push edi
push eax
mov eax,edi
sub eax,VGABasePtr
shr eax,16
call set_bank
pop eax
and edi,0xffff
mov [edi+VGABasePtr],eax
pop edi
 
imp32no12:
 
inc edx
; add esi,3
add edi,4
dec ecx
jnz np3212
 
np32d12:
 
pop ebx
pop ecx
pop edi
 
add edi,[BytesPerScanLine]
cmp ebp,putimage_get1bpp
jz .correct
cmp ebp,putimage_get2bpp
jz .correct
cmp ebp,putimage_get4bpp
jnz @f
.correct:
mov eax,[esp+20]
mov byte[eax],80h
@@:
dec ebx
jnz newpi3212
 
nonewpi3212:
 
pop eax edx ecx ebx eax edi esi
xor eax, eax
ret
 
 
vesa12_read_screen_pixel:
 
and eax,0x3FFFFF
cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ?
jz v12rsp24
mov edi,eax
shl edi,2
mov eax,edi
shr eax,16
call set_bank
and edi,65535
add edi,VGABasePtr
mov eax,[edi]
and eax,0x00ffffff
ret
v12rsp24:
 
imul eax,3
mov edi,eax
shr eax,16
call set_bank
and edi,65535
add edi,VGABasePtr
mov eax,[edi]
and eax,0x00ffffff
ret
 
 
Property changes:
Added: svn:keywords
+Rev
\ No newline at end of property
/kernel/branches/Kolibri-A/trunk/video/cursors.inc
0,0 → 1,806
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision$
 
 
LOAD_FROM_FILE equ 0
LOAD_FROM_MEM equ 1
LOAD_INDIRECT equ 2
LOAD_SYSTEM equ 3
 
struc BITMAPINFOHEADER {
.biSize dd ? ; DWORD
.biWidth dd ? ; LONG
.biHeight dd ? ; LONG
.biPlanes dw ? ; WORD
.biBitCount dw ? ; WORD
.biCompression dd ? ; DWORD
.biSizeImage dd ? ; DWORD
.biXPelsPerMeter dd ? ; LONG
.biYPelsPerMeter dd ? ; LONG
.biClrUsed dd ? ; DWORD
.biClrImportant dd ? ; DWORD
}
 
virtual at 0
BI BITMAPINFOHEADER
end virtual
 
align 4
proc init_cursor stdcall, dst:dword, src:dword
locals
rBase dd ?
pQuad dd ?
pBits dd ?
pAnd dd ?
width dd ?
height dd ?
counter dd ?
endl
 
mov esi, [src]
add esi,[esi+18]
mov eax,esi
 
cmp [esi+BI.biBitCount], 24
je .img_24
cmp [esi+BI.biBitCount], 8
je .img_8
cmp [esi+BI.biBitCount], 4
je .img_4
 
.img_2:
add eax, [esi]
mov [pQuad],eax
add eax,8
mov [pBits],eax
add eax, 128
mov [pAnd],eax
mov eax,[esi+4]
mov [width],eax
mov ebx,[esi+8]
shr ebx,1
mov [height],ebx
 
mov edi, [dst]
add edi, 32*31*4
mov [rBase],edi
 
mov esi,[pQuad]
.l21:
mov ebx, [pBits]
mov ebx, [ebx]
bswap ebx
mov eax, [pAnd]
mov eax, [eax]
bswap eax
mov [counter], 32
@@:
xor edx, edx
shl eax,1
setc dl
dec edx
 
xor ecx, ecx
shl ebx,1
setc cl
mov ecx, [esi+ecx*4]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
 
add edi, 4
dec [counter]
jnz @B
 
add [pBits], 4
add [pAnd], 4
mov edi,[rBase]
sub edi,128
mov [rBase],edi
sub [height],1
jnz .l21
ret
 
.img_4:
add eax, [esi]
mov [pQuad],eax
add eax,64
mov [pBits],eax
add eax, 0x200
mov [pAnd],eax
mov eax,[esi+4]
mov [width],eax
mov ebx,[esi+8]
shr ebx,1
mov [height],ebx
 
mov edi, [dst]
add edi, 32*31*4
mov [rBase],edi
 
mov esi,[pQuad]
mov ebx, [pBits]
.l4:
mov eax, [pAnd]
mov eax, [eax]
bswap eax
mov [counter], 16
@@:
xor edx, edx
shl eax,1
setc dl
dec edx
 
movzx ecx, byte [ebx]
and cl, 0xF0
shr ecx, 2
mov ecx, [esi+ecx]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
 
xor edx, edx
shl eax,1
setc dl
dec edx
 
movzx ecx, byte [ebx]
and cl, 0x0F
mov ecx, [esi+ecx*4]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi+4], edx
 
inc ebx
add edi, 8
dec [counter]
jnz @B
 
add [pAnd], 4
mov edi,[rBase]
sub edi,128
mov [rBase],edi
sub [height],1
jnz .l4
ret
.img_8:
add eax, [esi]
mov [pQuad],eax
add eax,1024
mov [pBits],eax
add eax, 1024
mov [pAnd],eax
mov eax,[esi+4]
mov [width],eax
mov ebx,[esi+8]
shr ebx,1
mov [height],ebx
 
mov edi, [dst]
add edi, 32*31*4
mov [rBase],edi
 
mov esi,[pQuad]
mov ebx, [pBits]
.l81:
mov eax, [pAnd]
mov eax, [eax]
bswap eax
mov [counter], 32
@@:
xor edx, edx
shl eax,1
setc dl
dec edx
 
movzx ecx, byte [ebx]
mov ecx, [esi+ecx*4]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
 
inc ebx
add edi, 4
dec [counter]
jnz @B
 
add [pAnd], 4
mov edi,[rBase]
sub edi,128
mov [rBase],edi
sub [height],1
jnz .l81
ret
.img_24:
add eax, [esi]
mov [pQuad],eax
add eax, 0xC00
mov [pAnd],eax
mov eax,[esi+BI.biWidth]
mov [width],eax
mov ebx,[esi+BI.biHeight]
shr ebx,1
mov [height],ebx
 
mov edi, [dst]
add edi, 32*31*4
mov [rBase],edi
 
mov esi,[pAnd]
mov ebx, [pQuad]
.row_24:
mov eax, [esi]
bswap eax
mov [counter], 32
@@:
xor edx, edx
shl eax,1
setc dl
dec edx
 
mov ecx, [ebx]
and ecx, 0x00FFFFFF
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
add ebx, 3
add edi, 4
dec [counter]
jnz @B
 
add esi, 4
mov edi,[rBase]
sub edi,128
mov [rBase],edi
sub [height],1
jnz .row_24
ret
endp
 
align 4
proc set_cursor stdcall, hcursor:dword
mov eax, [hcursor]
cmp [eax+CURSOR.magic], 'CURS'
jne .fail
; cmp [eax+CURSOR.size], CURSOR_SIZE
; jne .fail
mov ebx, [current_slot]
xchg eax, [ebx+APPDATA.cursor]
ret
.fail:
mov eax, [def_cursor]
mov ebx, [current_slot]
xchg eax, [ebx+APPDATA.cursor]
ret
endp
 
; param
; eax= pid
; ebx= src
; ecx= flags
 
create_cursor:
.src equ esp
.flags equ esp+4
.hcursor equ esp+8
 
sub esp, 4 ;space for .hcursor
push ecx
push ebx
 
mov ebx, eax
mov eax, CURSOR.sizeof
call create_kernel_object
test eax, eax
jz .fail
 
mov [.hcursor],eax
 
xor ebx, ebx
mov [eax+CURSOR.magic], 'CURS'
mov [eax+CURSOR.destroy], destroy_cursor
mov [eax+CURSOR.hot_x], ebx
mov [eax+CURSOR.hot_y], ebx
 
stdcall kernel_alloc, 0x1000
test eax, eax
jz .fail
 
mov edi, [.hcursor]
mov [edi+CURSOR.base], eax
 
mov esi, [.src]
mov ebx, [.flags]
cmp bx, LOAD_INDIRECT
je .indirect
 
movzx ecx, word [esi+10]
movzx edx, word [esi+12]
mov [edi+CURSOR.hot_x], ecx
mov [edi+CURSOR.hot_y], edx
 
stdcall init_cursor, eax, esi
 
mov eax, [.hcursor]
lea eax, [eax+CURSOR.list_next]
lea edx, [_display.cr_list.next]
 
pushfd
cli
mov ecx, [edx]
 
mov [eax], ecx
mov [eax+4], edx
 
mov [ecx+4], eax
mov [edx], eax
popfd
 
mov eax, [.hcursor]
.check_hw:
cmp [_display.init_cursor], 0
je .fail
 
push eax
call [_display.init_cursor]
add esp, 4
 
mov eax, [.hcursor]
.fail:
add esp, 12
ret
.indirect:
shr ebx, 16
movzx ecx, bh
movzx edx, bl
mov [eax+CURSOR.hot_x], ecx
mov [eax+CURSOR.hot_y], edx
 
xchg edi, eax
mov ecx, 1024
cld
rep movsd
jmp .check_hw
 
align 4
proc load_cursor stdcall, src:dword, flags:dword
locals
handle dd ?
endl
 
xor eax, eax
cmp [create_cursor], eax
je .fail2
 
mov [handle], eax
cmp word [flags], LOAD_FROM_FILE
jne @F
 
stdcall load_file, [src]
test eax, eax
jz .fail
mov [src], eax
@@:
push ebx
push esi
push edi
 
mov eax, [CURRENT_TASK]
shl eax, 5
mov eax, [CURRENT_TASK+eax+4]
mov ebx, [src]
mov ecx, [flags]
call create_cursor ;eax, ebx, ecx
mov [handle], eax
 
cmp word [flags], LOAD_FROM_FILE
jne .exit
stdcall kernel_free, [src]
.exit:
pop edi
pop esi
pop ebx
.fail:
mov eax, [handle]
.fail2:
ret
endp
 
align 4
proc delete_cursor stdcall, hcursor:dword
locals
hsrv dd ?
io_code dd ?
input dd ?
inp_size dd ?
output dd ?
out_size dd ?
endl
 
mov esi, [hcursor]
cmp [esi+CURSOR.magic], 'CURS'
jne .fail
 
mov ebx, [CURRENT_TASK]
shl ebx, 5
mov ebx, [CURRENT_TASK+ebx+4]
cmp ebx, [esi+CURSOR.pid]
jne .fail
 
mov ebx, [current_slot]
cmp esi, [ebx+APPDATA.cursor]
jne @F
mov eax, [def_cursor]
mov [ebx+APPDATA.cursor], eax
@@:
mov eax, [hcursor]
call [eax+APPOBJ.destroy]
.fail:
ret
endp
 
; param
; eax= cursor
 
align 4
destroy_cursor:
 
push eax
stdcall kernel_free, [eax+CURSOR.base]
pop eax
 
call destroy_kernel_object
ret
 
align 4
select_cursor:
mov eax, [esp+4]
mov [_display.cursor], eax
ret 4
 
align 4
proc restore_24 stdcall, x:dword, y:dword
 
push ebx
 
mov ebx, [cur_saved_base]
mov edx, [cur.h]
test edx, edx
jz .ret
 
push esi
push edi
 
mov esi, cur_saved_data
mov ecx, [cur.w]
lea ecx, [ecx+ecx*2]
push ecx
@@:
mov edi, ebx
add ebx, [BytesPerScanLine]
 
mov ecx, [esp]
rep movsb
dec edx
jnz @B
 
pop ecx
pop edi
pop esi
.ret:
pop ebx
ret
endp
 
align 4
proc restore_32 stdcall, x:dword, y:dword
 
push ebx
 
mov ebx, [cur_saved_base]
mov edx, [cur.h]
test edx, edx
jz .ret
 
push esi
push edi
 
mov esi, cur_saved_data
@@:
mov edi, ebx
add ebx, [BytesPerScanLine]
 
mov ecx, [cur.w]
rep movsd
dec edx
jnz @B
 
pop edi
.ret:
pop esi
pop ebx
ret
endp
 
align 4
proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
locals
h dd ?
_dx dd ?
_dy dd ?
endl
 
mov esi, [hcursor]
mov ecx, [x]
mov eax, [y]
mov ebx, [BytesPerScanLine]
 
xor edx, edx
sub ecx, [esi+CURSOR.hot_x]
lea ebx, [ecx+32-1]
mov [x], ecx
sets dl
dec edx
and ecx, edx ;clip x to 0<=x
mov [cur.left], ecx
mov edi, ecx
sub edi, [x]
mov [_dx], edi
 
xor edx, edx
sub eax, [esi+CURSOR.hot_y]
lea edi, [eax+32-1]
mov [y], eax
sets dl
dec edx
and eax, edx ;clip y to 0<=y
mov [cur.top], eax
mov edx, eax
sub edx, [y]
mov [_dy], edx
 
mul dword [BytesPerScanLine]
lea edx, [LFB_BASE+ecx*3]
add edx, eax
mov [cur_saved_base],edx
 
cmp ebx, [Screen_Max_X]
jbe @F
mov ebx, [Screen_Max_X]
@@:
cmp edi, [Screen_Max_Y]
jbe @F
mov edi, [Screen_Max_Y]
@@:
mov [cur.right], ebx
mov [cur.bottom], edi
 
sub ebx, [x]
sub edi, [y]
inc ebx
inc edi
 
mov [cur.w], ebx
mov [cur.h], edi
mov [h], edi
 
mov eax, edi
mov edi, cur_saved_data
@@:
mov esi, edx
add edx, [BytesPerScanLine]
mov ecx, [cur.w]
lea ecx, [ecx+ecx*2]
rep movsb
dec eax
jnz @B
 
;draw cursor
mov ebx, [cur_saved_base]
mov eax, [_dy]
shl eax, 5
add eax, [_dx]
 
mov esi, [hcursor]
mov esi, [esi+CURSOR.base]
lea edx, [esi+eax*4]
.row:
mov ecx, [cur.w]
mov esi, edx
mov edi, ebx
add edx, 32*4
add ebx, [BytesPerScanLine]
.pix:
lodsd
test eax, 0xFF000000
jz @F
mov [edi], ax
shr eax, 16
mov [edi+2],al
@@:
add edi, 3
dec ecx
jnz .pix
 
dec [h]
jnz .row
ret
endp
 
 
align 4
proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
locals
h dd ?
_dx dd ?
_dy dd ?
endl
 
mov esi, [hcursor]
mov ecx, [x]
mov eax, [y]
 
xor edx, edx
sub ecx, [esi+CURSOR.hot_x]
lea ebx, [ecx+32-1]
mov [x], ecx
sets dl
dec edx
and ecx, edx ;clip x to 0<=x
mov [cur.left], ecx
mov edi, ecx
sub edi, [x]
mov [_dx], edi
 
xor edx, edx
sub eax, [esi+CURSOR.hot_y]
lea edi, [eax+32-1]
mov [y], eax
sets dl
dec edx
and eax, edx ;clip y to 0<=y
mov [cur.top], eax
mov edx, eax
sub edx, [y]
mov [_dy], edx
 
mul dword [BytesPerScanLine]
lea edx, [LFB_BASE+eax+ecx*4]
mov [cur_saved_base],edx
 
cmp ebx, [Screen_Max_X]
jbe @F
mov ebx, [Screen_Max_X]
@@:
cmp edi, [Screen_Max_Y]
jbe @F
mov edi, [Screen_Max_Y]
@@:
mov [cur.right], ebx
mov [cur.bottom], edi
 
sub ebx, [x]
sub edi, [y]
inc ebx
inc edi
 
mov [cur.w], ebx
mov [cur.h], edi
mov [h], edi
 
mov eax, edi
mov edi, cur_saved_data
@@:
mov esi, edx
add edx, [BytesPerScanLine]
mov ecx, [cur.w]
rep movsd
dec eax
jnz @B
 
;draw cursor
mov ebx, [cur_saved_base]
mov eax, [_dy]
shl eax, 5
add eax, [_dx]
 
mov esi, [hcursor]
mov esi, [esi+CURSOR.base]
lea edx, [esi+eax*4]
.row:
mov ecx, [cur.w]
mov esi, edx
mov edi, ebx
add edx, 32*4
add ebx, [BytesPerScanLine]
.pix:
lodsd
test eax, 0xFF000000
jz @F
mov [edi], eax
@@:
add edi, 4
dec ecx
jnz .pix
 
dec [h]
jnz .row
ret
endp
 
 
align 4
get_display:
mov eax, _display
ret
 
align 4
init_display:
 
xor eax, eax
mov edi, _display
 
mov [edi+display_t.init_cursor], eax
mov [edi+display_t.select_cursor], eax
mov [edi+display_t.show_cursor], eax
mov [edi+display_t.move_cursor], eax
mov [edi+display_t.restore_cursor], eax
 
lea ecx, [edi+display_t.cr_list.next]
mov [edi+display_t.cr_list.next], ecx
mov [edi+display_t.cr_list.prev], ecx
 
cmp [SCR_MODE],word 0x13
jbe .fail
 
test word [SCR_MODE], 0x4000
jz .fail
 
mov ebx, restore_32
mov ecx, move_cursor_32
movzx eax, byte [ScreenBPP]
cmp eax, 32
je @F
 
mov ebx, restore_24
mov ecx, move_cursor_24
cmp eax, 24
jne .fail
@@:
mov [_display.select_cursor], select_cursor
mov [_display.move_cursor], ecx
mov [_display.restore_cursor], ebx
 
stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
mov [def_cursor], eax
ret
.fail:
xor eax, eax
mov [_display.select_cursor], eax
mov [_display.move_cursor], eax
ret
 
 
 
 
 
 
 
 
 
 
align 4
def_arrow:
file 'arrow.cur'
 
Property changes:
Added: svn:keywords
+Rev
\ No newline at end of property
/kernel/branches/Kolibri-A/trunk/video/vga.inc
0,0 → 1,450
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; VGA.INC ;;
;; ;;
;; 640x480 mode 0x12 VGA functions for MenuetOS ;;
;; ;;
;; Paul Butcher, paul.butcher@asa.co.uk ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision$
 
 
paletteVGA:
 
;16 colour palette
mov dx,0x3c8
mov al,0
out dx,al
 
mov ecx,16
mov dx,0x3c9
xor eax,eax
 
palvganew:
 
mov al,0
test ah,4
jz palvgalbl1
add al,31
test ah,8
jz palvgalbl1
add al,32
palvgalbl1:
out dx,al ; red 0,31 or 63
mov al,0
test ah,2
jz palvgalbl2
add al,31
test ah,8
jz palvgalbl2
add al,32
palvgalbl2:
out dx,al ; blue 0,31 or 63
mov al,0
test ah,1
jz palvgalbl3
add al,31
test ah,8
jz palvgalbl3
add al,32
palvgalbl3:
out dx,al ; green 0,31 or 63
add ah,1
loop palvganew
; mov dx, 3ceh
; mov ax, 0005h
; out dx, ax
ret
 
palette320x200:
 
mov edx,0x3c8
xor eax, eax
out dx,al
mov ecx,256
mov edx,0x3c9
xor eax,eax
 
palnew:
mov al,0
test ah,64
jz pallbl1
add al,21
pallbl1:
test ah,128
jz pallbl2
add al,42
pallbl2:
out dx,al
mov al,0
test ah,8
jz pallbl3
add al,8
pallbl3:
test ah,16
jz pallbl4
add al,15
pallbl4:
test ah,32
jz pallbl5
add al,40
pallbl5:
out dx,al
mov al,0
test ah,1
jz pallbl6
add al,8
pallbl6:
test ah,2
jz pallbl7
add al,15
pallbl7:
test ah,4
jz pallbl8
add al,40
pallbl8:
out dx,al
add ah,1
loop palnew
 
ret
align 4
uglobal
novesachecksum dd 0x0
EGA_counter db 0
VGA_drawing_screen db 0
VGA_8_pixels:
rb 16
temp:
.cx dd 0
endg
align 4
checkVga_N13:
 
cmp [SCR_MODE],dword 0x13
jne @f
 
; cnvl:
pushad
cmp [EGA_counter],1
je novesal
mov ecx,[MOUSE_X]
cmp ecx,[novesachecksum]
jne novesal
popad
@@:
ret
 
novesal:
mov [novesachecksum],ecx
mov ecx,0
movzx eax,word [MOUSE_Y]
cmp eax,100
jge m13l3
mov eax,100
m13l3:
cmp eax,480-100
jbe m13l4
mov eax,480-100
m13l4:
sub eax,100
imul eax,640*4
add ecx,eax
movzx eax,word [MOUSE_X]
cmp eax,160
jge m13l1
mov eax,160
m13l1:
cmp eax,640-160
jbe m13l2
mov eax,640-160
m13l2:
sub eax,160
shl eax,2
add ecx,eax
mov esi,[LFBAddress]
add esi,ecx
mov edi,VGABasePtr
mov edx,200
mov ecx,320
cld
m13pix:
lodsd
test eax,eax
jz .save_pixel
push eax
mov ebx,eax
and eax,(128+64+32) ; blue
shr eax,5
and ebx,(128+64+32)*256 ; green
shr ebx,8+2
add eax,ebx
pop ebx
and ebx,(128+64)*256*256 ; red
shr ebx,8+8
add eax,ebx
.save_pixel:
stosb
loop m13pix
mov ecx,320
add esi,4*(640-320)
dec edx
jnz m13pix
mov [EGA_counter],0
popad
ret
 
VGA_drawbackground:
; draw all
cmp [SCR_MODE],dword 0x12
jne .end
pushad
mov esi,[LFBAddress]
mov edi,VGABasePtr
mov ebx,640/32 ; 640*480/(8*4)
mov edx,480
@@:
push ebx edx esi edi
shl edx,9
lea edx,[edx+edx*4]
add esi,edx
shr edx,5
add edi,edx
call VGA_draw_long_line
pop edi esi edx ebx
dec edx
jnz @r
call VGA_draw_long_line_1
popad
.end:
ret
 
VGA_draw_long_line:
mov dx,3ceh
mov ax,0ff08h
cli
out dx, ax
mov ax,0005h
out dx, ax
m12pix:
call VGA_draw_32_pixels
dec ebx
jnz m12pix
mov dx,3c4h
mov ax,0ff02h
out dx,ax
mov dx,3ceh
mov ax,0205h
out dx,ax
mov dx,3ceh
mov al,08h
out dx,al
sti
ret
 
VGA_draw_32_pixels:
xor eax,eax
mov ebp,VGA_8_pixels
mov [ebp],eax
mov [ebp+4],eax
mov [ebp+8],eax
mov [ebp+12],eax
mov ch,4
.main_loop:
mov cl,8
.convert_pixels_to_VGA:
lodsd ; eax = 24bit colour
test eax,eax
jz .end
rol eax,8
mov al,ch
ror eax,8
mov ch,1
dec cl
shl ch,cl
cmp al,85
jbe .p13green
or [ebp],ch
cmp al,170
jbe .p13green
or [ebp+12],ch
.p13green:
cmp ah,85
jbe .p13red
or [ebp+4],ch
cmp ah,170
jbe .p13red
or [ebp+12],ch
.p13red:
shr eax,8
cmp ah,85
jbe .p13cont
or [ebp+8],ch
cmp ah,170
jbe .p13cont
or [ebp+12],ch
.p13cont:
ror eax,8
mov ch,ah
inc cl
.end:
dec cl
jnz .convert_pixels_to_VGA
inc ebp
dec ch
jnz .main_loop
push esi
sub ebp,4
mov esi,ebp
mov dx, 3c4h
mov ah, 1h
@@:
mov al, 02h
out dx,ax
xchg ax,bp
lodsd
mov [edi],eax
xchg ax,bp
shl ah, 1
cmp ah, 10h
jnz @r
add edi,4
pop esi
ret
 
VGA_putpixel:
; eax = x
; ebx = y
mov ecx,eax
mov eax, [esp+32-8+4] ; color
shl ebx,9
lea ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5
lea edx, [ebx+ecx*4] ; + x*BytesPerPixel (Vesa2.0 32)
mov edi,edx
add edi, [LFBAddress] ; + LFB address
mov [edi], eax ; write to LFB for Vesa2.0
shr edx,5 ; change BytesPerPixel to 1/8
mov edi,edx
add edi, VGABasePtr ; address of pixel in VGA area
and ecx,0x07 ; bit no. (modulo 8)
pushfd
; edi = address, eax = 24bit colour, ecx = bit no. (modulo 8)
xor edx,edx
test eax,eax
jz .p13cont
cmp al,85
jbe .p13green
or dl,0x01
cmp al,170
jbe .p13green
or dl,0x08
.p13green:
cmp ah,85
jbe .p13red
or dl,0x02
cmp ah,170
jbe .p13red
or dl,0x08
.p13red:
shr eax,8
cmp ah,85
jbe .p13cont
or dl,0x04
cmp ah,170
jbe .p13cont
or dl,0x08
.p13cont:
ror edx,8
inc cl
xor eax,eax
inc ah
shr ax,cl
mov dx,3cfh
cli
out dx,al
mov al,[edi] ; dummy read
rol edx,8
mov [edi],dl
popfd
;.end:
ret
 
VGA__putimage:
; ecx = size [x|y]
; edx = coordinates [x|y]
cmp [SCR_MODE],dword 0x12
jne @f
pushad
rol edx,16
movzx eax,dx
rol edx,16
movzx ebx,dx
movzx edx,cx
rol ecx,16
movzx ecx,cx
call VGA_draw_bar_1
popad
@@:
ret
 
VGA_draw_bar:
; eax cx
; ebx cy
; ecx xe
; edx ye
cmp [SCR_MODE],dword 0x12
jne @f
pushad
sub ecx,eax
sub edx,ebx
and eax,0xffff
and ebx,0xffff
and ecx,0xffff
and edx,0xffff
call VGA_draw_bar_1
popad
@@:
ret
 
VGA_draw_bar_1:
mov [temp.cx],eax
mov eax, [TASK_BASE]
add ebx, [eax-twdw + 4]
mov eax, [eax-twdw + 0]
add eax, [temp.cx]
and eax,0xfff8
shl ebx,9
lea ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5
lea ebx, [ebx+eax*4] ; + x*BytesPerPixel (Vesa2.0 32)
mov esi,ebx
add esi, [LFBAddress] ; + LFB address
shr ebx,5 ; change BytesPerPixel to 1/8
mov edi,ebx
add edi, VGABasePtr ; address of pixel in VGA area
mov ebx,ecx
shr ebx,5
inc ebx
.main_loop:
call VGA_draw_long_line_1
dec edx
jnz .main_loop
call VGA_draw_long_line_1
ret
 
VGA_draw_long_line_1:
push ebx edx esi edi
shl edx,9
lea edx,[edx+edx*4]
add esi,edx
shr edx,5
add edi,edx
call VGA_draw_long_line
pop edi esi edx ebx
ret
 
 
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+Rev
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svn:mime-type = application/octet-stream
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/kernel/branches/Kolibri-A/trunk/video/.
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+*.mnt
+lang.inc
+*.bat
+out.txt
+scin*
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