KolibriOS/kolibrios
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more correct background redraw

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git-svn-id: svn://kolibrios.org@1392 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Evgeny Grechnikov (Diamond) 2010-02-07 12:57:42 +00:00
parent ddd29cc90f
commit 1ee7b4055e
2 changed files with 34 additions and 18 deletions
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1
kernel/trunk/const.inc
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@ -260,6 +260,7 @@ SYS_SHUTDOWN equ (OS_BASE+0x000FF00)
TASK_ACTIVATE equ (OS_BASE+0x000FF01)
REDRAW_BACKGROUND equ (OS_BASE+0x000FFF0)
BACKGROUND_CHANGED equ (OS_BASE+0x000FFF1)
BANK_RW equ (OS_BASE+0x000FFF2)
MOUSE_BACKGROUND equ (OS_BASE+0x000FFF4)
DONT_DRAW_MOUSE equ (OS_BASE+0x000FFF5)

51
kernel/trunk/kernel.asm
View File

@ -2436,8 +2436,8 @@ draw_background_temp:
;draw_background_temp:
; mov [bgrchanged],1 ;0
mov [background_defined], 1
mov byte[BACKGROUND_CHANGED], 1
call force_redraw_background
mov [REDRAW_BACKGROUND], byte 2
nosb31:
ret
nosb3:
@ -2557,15 +2557,15 @@ nosb7:
ret
force_redraw_background:
and [draw_data+32 + RECT.left],dword 0
and [draw_data+32 + RECT.top],dword 0
and [draw_data+32 + RECT.left], 0
and [draw_data+32 + RECT.top], 0
push eax ebx
mov eax,[Screen_Max_X]
mov ebx,[Screen_Max_Y]
mov [draw_data+32 + RECT.right],eax
mov [draw_data+32 + RECT.bottom],ebx
pop ebx eax
mov byte [REDRAW_BACKGROUND], 1
inc byte[REDRAW_BACKGROUND]
ret
align 4
@ -3083,27 +3083,36 @@ set_mouse_event:
loop set_mouse_event
mouse_not_active:
cmp [REDRAW_BACKGROUND],byte 0 ; background update ?
jz nobackgr
cmp [background_defined], 0
jz nobackgr
cmp [REDRAW_BACKGROUND], byte 2
jnz no_set_bgr_event
cmp byte[BACKGROUND_CHANGED], 0
jz no_set_bgr_event
xor edi, edi
mov ecx, [TASK_COUNT]
mov ecx, [TASK_COUNT]
set_bgr_event:
add edi, 256
or [edi+SLOT_BASE+APPDATA.event_mask], 16
loop set_bgr_event
mov byte[BACKGROUND_CHANGED], 0
no_set_bgr_event:
cmp byte[REDRAW_BACKGROUND], 0 ; background update ?
jz nobackgr
cmp [background_defined], 0
jz nobackgr
; mov [draw_data+32 + RECT.left],dword 0
; mov [draw_data+32 + RECT.top],dword 0
; mov eax,[Screen_Max_X]
; mov ebx,[Screen_Max_Y]
; mov [draw_data+32 + RECT.right],eax
; mov [draw_data+32 + RECT.bottom],ebx
@@:
call drawbackground
mov [REDRAW_BACKGROUND],byte 0
xor eax, eax
xchg al, [REDRAW_BACKGROUND]
test al, al ; got new update request?
jnz @b
mov [draw_data+32 + RECT.left], eax
mov [draw_data+32 + RECT.top], eax
mov [draw_data+32 + RECT.right], eax
mov [draw_data+32 + RECT.bottom], eax
mov [MOUSE_BACKGROUND],byte 0
nobackgr:
@ -3219,32 +3228,37 @@ redrawscreen:
cmp ecx,1
jnz .az
mov al,[REDRAW_BACKGROUND]
cmp al,2
jz newdw8
test al,al
; cmp byte[BACKGROUND_CHANGED], 0
; jnz newdw8
cmp byte[REDRAW_BACKGROUND], 0
jz .az
mov dl, 0
lea eax,[edi+draw_data-window_data]
mov ebx,[draw_limits.left]
cmp ebx,[eax+RECT.left]
jae @f
mov [eax+RECT.left],ebx
mov dl, 1
@@:
mov ebx,[draw_limits.top]
cmp ebx,[eax+RECT.top]
jae @f
mov [eax+RECT.top],ebx
mov dl, 1
@@:
mov ebx,[draw_limits.right]
cmp ebx,[eax+RECT.right]
jbe @f
mov [eax+RECT.right],ebx
mov dl, 1
@@:
mov ebx,[draw_limits.bottom]
cmp ebx,[eax+RECT.bottom]
jbe @f
mov [eax+RECT.bottom],ebx
mov dl, 1
@@:
add byte[REDRAW_BACKGROUND], dl
jmp newdw8
.az:
@ -3264,7 +3278,7 @@ redrawscreen:
cmp dword [esp],1
jne nobgrd
mov byte [REDRAW_BACKGROUND], 1
inc byte[REDRAW_BACKGROUND]
newdw8:
nobgrd:
@ -3293,7 +3307,8 @@ calculatebackground: ; background
shr ecx, 2
rep stosd
mov byte [REDRAW_BACKGROUND], 0 ; do not draw background!
mov byte[REDRAW_BACKGROUND], 0 ; do not draw background!
mov byte[BACKGROUND_CHANGED], 0
ret