WebSVN – Kolibri OS – Diff – /kernel/trunk/video/vesa20.inc



;;                                                              ;;
;;  See file COPYING for details                                ;;
;;                                                              ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 

$Revision: 5350 $
 
uglobal
align 4

;     lea     eax, [eax + eax * 2]
        call    esi
        add     eax, [putimg.arg_0]
        mov     [putimg.line_increment], eax
; winmap new line increment
        mov     eax, [_display.width]
 
        sub     eax, [putimg.real_sx]
        mov     [putimg.winmap_newline], eax
; screen new line increment
        mov     eax, [_display.pitch]
        mov     ebx, [_display.bytes_per_pixel]

 
align 4

__sys_putpixel:
 
        pushad
        cmp     eax, [_display.width]
        jge     .exit
        cmp     ebx, [_display.height]
        jge     .exit

        test    edi, 1          ; force ?
        jnz     .forced

        jbe     .end_y
        mov     ebx, [drbar.bar_sy]
  .end_y:
        mov     [drbar.real_sy], ebx
; line_inc_map
        mov     eax, [_display.width]
        sub     eax, [drbar.real_sx]
 
        mov     [drbar.line_inc_map], eax
; line_inc_scr
        mov     eax, [drbar.real_sx]
        mov     ebx, [_display.bytes_per_pixel]
        imul    eax, ebx

; Helper variables
; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)
        mov     eax, [BgrDataWidth]
        dec     eax
        xor     edx, edx
        div     dword [screen_workarea.right]
        push    eax     ; high
        xor     eax, eax
        div     dword [screen_workarea.right]
        push    eax     ; low

 
; the same for height
        mov     eax, [BgrDataHeight]
        dec     eax
        xor     edx, edx
        div     dword [screen_workarea.bottom]
        push    eax     ; high
        xor     eax, eax
        div     dword [screen_workarea.bottom]

        push    eax     ; low
 
; External loop for all y from start to end

        ja      sdpdone

 
; advance edi, ebp to next scan line
        sub     eax, [draw_data+32+RECT.left]
        sub     ebp, eax
 
        add     ebp, [_display.width]
        sub     edi, eax
        sub     edi, eax
        cmp     byte [_display.bytes_per_pixel], 2
        jz      @f

        cmp     ebx, -1
        jnz     bgr_resmooth0
        push    edi
        mov     esi, bgr_next_line
        mov     edi, bgr_cur_line
        mov     ecx, [_display.width]
 
        rep movsd
        jmp     bgr_resmooth1

 
  sdpdone:

Rev 5154	Rev 5350
Line 15...	Line 15...
15	;; ;;	15	;; ;;
16	;; See file COPYING for details ;;	16	;; See file COPYING for details ;;
17	;; ;;	17	;; ;;
18	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	18	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 19...	Line 19...
19		19
Line 20...	Line 20...
20	$Revision: 5154 $	20	$Revision: 5350 $
21		21
22	uglobal	22	uglobal
23	align 4	23	align 4
Line 234...	Line 234...
234	; lea eax, [eax + eax * 2]	234	; lea eax, [eax + eax * 2]
235	call esi	235	call esi
236	add eax, [putimg.arg_0]	236	add eax, [putimg.arg_0]
237	mov [putimg.line_increment], eax	237	mov [putimg.line_increment], eax
238	; winmap new line increment	238	; winmap new line increment
239	mov eax, [Screen_Max_X]	239	mov eax, [_display.width]
240	inc eax	-
241	sub eax, [putimg.real_sx]	240	sub eax, [putimg.real_sx]
242	mov [putimg.winmap_newline], eax	241	mov [putimg.winmap_newline], eax
243	; screen new line increment	242	; screen new line increment
244	mov eax, [_display.pitch]	243	mov eax, [_display.pitch]
245	mov ebx, [_display.bytes_per_pixel]	244	mov ebx, [_display.bytes_per_pixel]
Line 874...	Line 873...
874		873
875	align 4	874	align 4
Line 876...	Line 875...
876	__sys_putpixel:	875	__sys_putpixel:
877		876
878	pushad	877	pushad
879	cmp [Screen_Max_X], eax	878	cmp eax, [_display.width]
880	jb .exit	879	jge .exit
881	cmp [Screen_Max_Y], ebx	880	cmp ebx, [_display.height]
882	jb .exit	881	jge .exit
Line 883...	Line 882...
883	test edi, 1 ; force ?	882	test edi, 1 ; force ?
884	jnz .forced	883	jnz .forced
Line 1439...	Line 1438...
1439	jbe .end_y	1438	jbe .end_y
1440	mov ebx, [drbar.bar_sy]	1439	mov ebx, [drbar.bar_sy]
1441	.end_y:	1440	.end_y:
1442	mov [drbar.real_sy], ebx	1441	mov [drbar.real_sy], ebx
1443	; line_inc_map	1442	; line_inc_map
1444	mov eax, [Screen_Max_X]	1443	mov eax, [_display.width]
1445	sub eax, [drbar.real_sx]	1444	sub eax, [drbar.real_sx]
1446	inc eax	-
1447	mov [drbar.line_inc_map], eax	1445	mov [drbar.line_inc_map], eax
1448	; line_inc_scr	1446	; line_inc_scr
1449	mov eax, [drbar.real_sx]	1447	mov eax, [drbar.real_sx]
1450	mov ebx, [_display.bytes_per_pixel]	1448	mov ebx, [_display.bytes_per_pixel]
1451	imul eax, ebx	1449	imul eax, ebx
Line 2147...	Line 2145...
2147	; Helper variables	2145	; Helper variables
2148	; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)	2146	; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)
2149	mov eax, [BgrDataWidth]	2147	mov eax, [BgrDataWidth]
2150	dec eax	2148	dec eax
2151	xor edx, edx	2149	xor edx, edx
2152	div dword [Screen_Max_X]	2150	div dword [screen_workarea.right]
2153	push eax ; high	2151	push eax ; high
2154	xor eax, eax	2152	xor eax, eax
2155	div dword [Screen_Max_X]	2153	div dword [screen_workarea.right]
2156	push eax ; low	2154	push eax ; low
Line 2157...	Line 2155...
2157		2155
2158	; the same for height	2156	; the same for height
2159	mov eax, [BgrDataHeight]	2157	mov eax, [BgrDataHeight]
2160	dec eax	2158	dec eax
2161	xor edx, edx	2159	xor edx, edx
2162	div dword [Screen_Max_Y]	2160	div dword [screen_workarea.bottom]
2163	push eax ; high	2161	push eax ; high
2164	xor eax, eax	2162	xor eax, eax
2165	div dword [Screen_Max_Y]	2163	div dword [screen_workarea.bottom]
Line 2166...	Line 2164...
2166	push eax ; low	2164	push eax ; low
2167		2165
2168	; External loop for all y from start to end	2166	; External loop for all y from start to end
Line 2321...	Line 2319...
2321	ja sdpdone	2319	ja sdpdone
Line 2322...	Line 2320...
2322		2320
2323	; advance edi, ebp to next scan line	2321	; advance edi, ebp to next scan line
2324	sub eax, [draw_data+32+RECT.left]	2322	sub eax, [draw_data+32+RECT.left]
2325	sub ebp, eax	2323	sub ebp, eax
2326	add ebp, [Screen_Max_X]	-
2327	add ebp, 1	2324	add ebp, [_display.width]
2328	sub edi, eax	2325	sub edi, eax
2329	sub edi, eax	2326	sub edi, eax
2330	cmp byte [_display.bytes_per_pixel], 2	2327	cmp byte [_display.bytes_per_pixel], 2
2331	jz @f	2328	jz @f
Line 2354...	Line 2351...
2354	cmp ebx, -1	2351	cmp ebx, -1
2355	jnz bgr_resmooth0	2352	jnz bgr_resmooth0
2356	push edi	2353	push edi
2357	mov esi, bgr_next_line	2354	mov esi, bgr_next_line
2358	mov edi, bgr_cur_line	2355	mov edi, bgr_cur_line
2359	mov ecx, [Screen_Max_X]	2356	mov ecx, [_display.width]
2360	inc ecx	-
2361	rep movsd	2357	rep movsd
2362	jmp bgr_resmooth1	2358	jmp bgr_resmooth1
Line 2363...	Line 2359...
2363		2359
2364	sdpdone:	2360	sdpdone:

Subversion Repositories Kolibri OS

(root)/kernel/trunk/video/vesa20.inc – Rev 5154 → 5350