0,0 → 1,429 |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Copyright (C) KolibriOS team 2011-2012. All rights reserved. ;; |
;; Distributed under terms of the GNU General Public License ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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struct BLITTER_BLOCK |
xmin dd ? |
ymin dd ? |
xmax dd ? |
ymax dd ? |
ends |
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struct BLITTER |
dc RECT |
sc RECT |
dst_x dd ? ; 32 |
dst_y dd ? ; 36 |
src_x dd ? ; 40 |
src_y dd ? ; 44 |
w dd ? ; 48 |
h dd ? ; 52 |
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bitmap dd ? ; 56 |
stride dd ? ; 60 |
ends |
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align 4 |
block_clip: |
;esi= clip RECT ptr |
;edi= RECT ptr |
;return code: |
;eax= 0 - draw, 1 - don't draw |
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push ebx |
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mov eax, [edi+RECT.left] |
mov ebx, [edi+RECT.right] |
mov ecx, [esi+RECT.left] ;clip.left |
mov edx, [esi+RECT.right] ;clip.right |
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cmp eax, edx ;left >= clip.right |
jge .fail |
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cmp ebx, ecx ;right < clip.left |
jl .fail |
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cmp eax, ecx ;left >= clip.left |
jae @F |
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mov eax, ecx |
@@: |
mov [edi+RECT.left], eax |
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cmp ebx, edx ;right <= clip.right |
jle @f |
mov ebx, edx |
@@: |
mov [edi+RECT.right], ebx |
|
mov eax, [edi+RECT.top] |
mov ebx, [edi+RECT.bottom] |
mov ecx, [esi+RECT.top] ;clip.top |
mov edx, [esi+RECT.bottom] ;clip.bottom |
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cmp eax, edx ;top >= clip.bottom |
jge .fail |
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cmp ebx, ecx ;bottom < clip.top |
jl .fail |
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cmp eax, ecx ;top >= clip.top |
jae @F |
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mov eax, ecx |
@@: |
mov [edi+RECT.top], eax |
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cmp ebx, edx ;bottom <= clip.bottom |
jle @f |
mov ebx, edx |
@@: |
mov [edi+RECT.bottom], ebx |
pop ebx |
xor eax, eax |
ret |
.fail: |
pop ebx |
mov eax, 1 |
ret |
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align 4 |
blit_clip: |
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.sx0 equ 8 |
.sy0 equ 12 |
.sx1 equ 16 |
.sy1 equ 20 |
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.dx0 equ 24 |
.dy0 equ 28 |
.dx1 equ 32 |
.dy1 equ 36 |
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push edi |
push esi |
push ebx |
sub esp, 40 |
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mov ebx, ecx |
mov edx, [ecx+BLITTER.src_x] |
mov [esp+.sx0], edx |
mov eax, [ecx+BLITTER.src_y] |
mov [esp+.sy0], eax |
add edx, [ecx+BLITTER.w] |
add eax, [ecx+BLITTER.h] |
mov [esp+.sx1], edx |
mov [esp+.sy1], eax |
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lea edi, [esp+.sx0] |
lea esi, [ebx+BLITTER.sc] |
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call block_clip |
test eax, eax |
mov esi, 1 |
jnz .done |
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mov edi, [esp+.sx0] |
mov edx, [ebx+BLITTER.dst_x] |
add edx, edi |
sub edx, [ebx+BLITTER.src_x] |
mov [esp+.dx0], edx |
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mov ecx, [esp+.sy0] |
mov eax, [ebx+BLITTER.dst_y] |
add eax, ecx |
sub eax, [ebx+BLITTER.src_y] |
mov [esp+.dy0], eax |
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sub edx, edi |
add edx, [esp+.sx1] |
mov [esp+.dx1], edx |
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sub eax, ecx |
add eax, [esp+.sy1] |
mov [esp+.dy1], eax |
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lea edi, [esp+.dx0] |
lea esi, [ebx+BLITTER.dc] |
call block_clip |
test eax, eax |
mov esi, 1 |
jnz .done |
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mov edx, [esp+.dx0] |
mov eax, [esp+.dx1] |
sub eax, edx |
mov [ebx+BLITTER.w], eax |
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mov eax, [esp+.dy0] |
mov ecx, [esp+.dy1] |
sub ecx, eax |
mov [ebx+BLITTER.h], ecx |
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mov ecx, [ebx+BLITTER.src_x] |
add ecx, edx |
sub ecx, [ebx+BLITTER.dst_x] |
mov [ebx+BLITTER.src_x], ecx |
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mov ecx, [ebx+BLITTER.src_y] |
add ecx, eax |
sub ecx, [ebx+BLITTER.dst_y] |
mov [ebx+BLITTER.src_y], ecx |
mov [ebx+BLITTER.dst_x], edx |
mov [ebx+BLITTER.dst_y], eax |
xor esi, esi |
.done: |
mov eax, esi |
add esp, 40 |
pop ebx |
pop esi |
pop edi |
|
|
purge .sx0 |
purge .sy0 |
purge .sx1 |
purge .sy1 |
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purge .dx0 |
purge .dy0 |
purge .dx1 |
purge .dy1 |
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ret |
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align 4 |
blit_32: |
push ebp |
push edi |
push esi |
push ebx |
sub esp, 72 |
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mov eax, [TASK_BASE] |
mov ebx, [eax-twdw + WDATA.box.width] |
mov edx, [eax-twdw + WDATA.box.height] |
inc ebx |
inc edx |
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xor eax, eax |
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mov [esp+BLITTER.dc.left], eax |
mov [esp+BLITTER.dc.top], eax |
mov [esp+BLITTER.dc.right], ebx |
mov [esp+BLITTER.dc.bottom], edx |
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mov [esp+BLITTER.sc.left], eax |
mov [esp+BLITTER.sc.top], eax |
mov eax, [ecx+24] |
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mov [esp+BLITTER.sc.right], eax |
mov eax, [ecx+28] |
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mov [esp+BLITTER.sc.bottom], eax |
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mov eax, [ecx] |
mov [esp+BLITTER.dst_x], eax |
mov eax, [ecx+4] |
mov [esp+BLITTER.dst_y], eax |
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mov eax, [ecx+16] |
mov [esp+BLITTER.src_x], eax |
mov eax, [ecx+20] |
mov [esp+BLITTER.src_y], eax |
mov eax, [ecx+8] |
mov [esp+BLITTER.w], eax |
mov eax, [ecx+12] |
mov [esp+BLITTER.h], eax |
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mov eax, [ecx+32] |
mov [esp+56], eax |
mov eax, [ecx+36] |
mov [esp+60], eax |
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mov ecx, esp |
call blit_clip |
test eax, eax |
jne .L57 |
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mov eax, [TASK_BASE] |
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mov ebx, [esp+BLITTER.dst_x] |
mov ebp, [esp+BLITTER.dst_y] |
add ebx, [eax-twdw + WDATA.box.left] |
add ebp, [eax-twdw + WDATA.box.top] |
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mov ecx, ebx |
add ecx, [esp+BLITTER.w] |
shl ecx, 16 |
mov cx, bp |
add ecx, [esp+BLITTER.h] |
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mov edi, ebp |
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; imul edi, [_display.pitch] |
mov edi, [BPSLine_calc_area+edi*4] |
; imul ebp, [_display.width] |
mov ebp, [d_width_calc_area+ebp*4] |
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add ebp, ebx |
add ebp, [_WinMapAddress] |
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mov eax, [esp+BLITTER.src_y] |
imul eax, [esp+BLITTER.stride] |
mov esi, [esp+BLITTER.src_x] |
lea esi, [eax+esi*4] |
add esi, [esp+BLITTER.bitmap] |
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mov eax, ecx |
mov ecx, [esp+BLITTER.h] |
mov edx, [esp+BLITTER.w] |
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test ecx, ecx ;FIXME check clipping |
jz .L57 |
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test edx, edx |
jz .L57 |
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cmp [_display.bpp], 32 |
jne .core_24 |
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lea edi, [edi+ebx*4] |
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mov ebx, [CURRENT_TASK] |
align 4 |
.outer32: |
xor ecx, ecx |
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align 4 |
.inner32: |
cmp [ebp+ecx], bl |
jne .skip |
;-------------------------------------- |
push eax |
mov eax, [esi+ecx*4] |
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; check for hardware cursor |
cmp [_display.select_cursor], select_cursor |
je @f |
cmp [_display.select_cursor], 0 |
jne .no_mouseunder |
;-------------------------------------- |
align 4 |
@@: |
push ecx |
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mov ecx, [esp+4] |
ror ecx, 16 |
sub ecx, edx |
rol ecx, 16 |
sub ecx, [esp+BLITTER.h + 8] |
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; check mouse area for putpixel |
call [_display.check_mouse] |
pop ecx |
;-------------------------------------- |
align 4 |
.no_mouseunder: |
; store to real LFB |
mov [LFB_BASE+edi+ecx*4], eax |
pop eax |
;-------------------------------------- |
align 4 |
.skip: |
inc ecx |
dec edx |
jnz .inner32 |
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add esi, [esp+BLITTER.stride] |
add edi, [_display.pitch] |
add ebp, [_display.width] |
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mov edx, [esp+BLITTER.w] |
dec [esp+BLITTER.h] |
jnz .outer32 |
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.done: |
; call [draw_pointer] |
; call __sys_draw_pointer |
.L57: |
add esp, 72 |
pop ebx |
pop esi |
pop edi |
pop ebp |
ret |
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.core_24: |
lea ebx, [ebx+ebx*2] |
lea edi, [LFB_BASE+edi+ebx] |
mov ebx, [CURRENT_TASK] |
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align 4 |
.outer24: |
mov [esp+64], edi |
xor ecx, ecx |
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align 4 |
.inner24: |
cmp [ebp+ecx], bl |
jne .skip_1 |
;-------------------------------------- |
push eax |
mov eax, [esi+ecx*4] |
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lea edi, [edi+ecx*2] |
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; check for hardware cursor |
cmp [_display.select_cursor], select_cursor |
je @f |
cmp [_display.select_cursor], 0 |
jne .no_mouseunder_1 |
;-------------------------------------- |
align 4 |
@@: |
push ecx |
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mov ecx, [esp+4] |
ror ecx, 16 |
sub ecx, edx |
rol ecx, 16 |
sub ecx, [esp+BLITTER.h + 8] |
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; check mouse area for putpixel |
call [_display.check_mouse] |
pop ecx |
;-------------------------------------- |
align 4 |
.no_mouseunder_1: |
mov [edi+ecx], ax |
shr eax, 16 |
mov [edi+ecx+2], al |
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pop eax |
;-------------------------------------- |
align 4 |
.skip_1: |
mov edi, [esp+64] |
inc ecx |
dec edx |
jnz .inner24 |
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add esi, [esp+BLITTER.stride] |
add edi, [_display.pitch] |
add ebp, [_display.width] |
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mov edx, [esp+BLITTER.w] |
dec [esp+BLITTER.h] |
jnz .outer24 |
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jmp .done |