2021-12-27 16:37:32 +01:00
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2021. All rights reserved. ;;
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;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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2021-12-27 16:42:05 +01:00
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$Revision$
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2021-12-27 16:37:32 +01:00
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; Background graphics implementation
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uglobal
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; bgrchanged dd 0x0
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align 4
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bgrlockpid dd 0
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bgrlock db 0
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endg
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;--------------------------------------
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align 4
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sys_background:
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cmp ebx, 1 ; BACKGROUND SIZE
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jnz nosb1
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test ecx, ecx
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jz sbgrr
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test edx, edx
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jz sbgrr
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;--------------------------------------
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align 4
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@@:
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;;Maxis use atomic bts for mutexes 4.4.2009
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bts dword [bgrlock], 0
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jnc @f
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call change_task
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jmp @b
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;--------------------------------------
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align 4
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@@:
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mov [BgrDataWidth], ecx
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mov [BgrDataHeight], edx
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; mov [bgrchanged],1
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pushad
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; return memory for old background
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mov eax, [img_background]
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cmp eax, static_background_data
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jz @f
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stdcall kernel_free, eax
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;--------------------------------------
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align 4
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@@:
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; calculate RAW size
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xor eax, eax
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inc eax
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cmp [BgrDataWidth], eax
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jae @f
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mov [BgrDataWidth], eax
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;--------------------------------------
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align 4
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@@:
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cmp [BgrDataHeight], eax
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jae @f
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mov [BgrDataHeight], eax
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;--------------------------------------
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align 4
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@@:
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mov eax, [BgrDataWidth]
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imul eax, [BgrDataHeight]
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lea eax, [eax*3]
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; it is reserved with aligned to the boundary of 4 KB pages,
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; otherwise there may be exceptions a page fault for vesa20_drawbackground_tiled
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; because the 32 bit read is used for high performance: "mov eax,[esi]"
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shr eax, 12
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inc eax
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shl eax, 12
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mov [mem_BACKGROUND], eax
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; get memory for new background
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stdcall kernel_alloc, eax
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test eax, eax
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jz .memfailed
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mov [img_background], eax
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jmp .exit
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;--------------------------------------
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align 4
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.memfailed:
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; revert to static monotone data
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mov [img_background], static_background_data
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xor eax, eax
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inc eax
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mov [BgrDataWidth], eax
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mov [BgrDataHeight], eax
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mov [mem_BACKGROUND], 4
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;--------------------------------------
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align 4
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.exit:
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popad
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mov [bgrlock], 0
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;--------------------------------------
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align 4
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sbgrr:
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ret
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;--------------------------------------
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align 4
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nosb1:
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cmp ebx, 2 ; SET PIXEL
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jnz nosb2
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mov eax, [img_background]
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test ecx, ecx
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jz @f
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cmp eax, static_background_data
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jz .ret
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;--------------------------------------
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align 4
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@@:
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mov ebx, [mem_BACKGROUND]
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add ebx, 4095
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and ebx, -4096
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sub ebx, 4
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cmp ecx, ebx
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ja .ret
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mov ebx, [eax+ecx]
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and ebx, 0xFF000000;255*256*256*256
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and edx, 0x00FFFFFF;255*256*256+255*256+255
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add edx, ebx
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mov [eax+ecx], edx
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;--------------------------------------
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align 4
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.ret:
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ret
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;--------------------------------------
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align 4
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nosb2:
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cmp ebx, 3 ; DRAW BACKGROUND
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jnz nosb3
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;--------------------------------------
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align 4
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draw_background_temp:
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mov [background_defined], 1
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call force_redraw_background
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;--------------------------------------
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align 4
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nosb31:
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ret
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;--------------------------------------
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align 4
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nosb3:
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cmp ebx, 4 ; TILED / STRETCHED
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jnz nosb4
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cmp ecx, [BgrDrawMode]
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je nosb41
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mov [BgrDrawMode], ecx
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;--------------------------------------
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align 4
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nosb41:
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ret
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;--------------------------------------
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align 4
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nosb4:
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cmp ebx, 5 ; BLOCK MOVE TO BGR
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jnz nosb5
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; add check pointer
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stdcall is_region_userspace, ecx, esi
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jnz .fin
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cmp [img_background], static_background_data
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jnz @f
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test edx, edx
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jnz .fin
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cmp esi, 4
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ja .fin
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;--------------------------------------
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align 4
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@@:
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; bughere
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mov eax, ecx
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mov ebx, edx
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add ebx, [img_background];IMG_BACKGROUND
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mov ecx, esi
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call memmove
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;--------------------------------------
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align 4
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.fin:
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ret
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;---------------------------------------
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align 4
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nosb5:
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cmp ebx, 6
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jnz nosb6
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;--------------------------------------
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align 4
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;;Maxis use atomic bts for mutex 4.4.2009
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@@:
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bts dword [bgrlock], 0
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jnc @f
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call change_task
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jmp @b
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;--------------------------------------
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align 4
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@@:
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mov eax, [current_slot_idx]
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mov [bgrlockpid], eax
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cmp [img_background], static_background_data
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jz .nomem
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stdcall user_alloc, [mem_BACKGROUND]
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mov [esp+32], eax
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test eax, eax
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jz .nomem
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mov ebx, eax
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shr ebx, 12
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or dword [page_tabs+(ebx-1)*4], MEM_BLOCK_DONT_FREE
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mov esi, [img_background]
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shr esi, 12
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mov ecx, [mem_BACKGROUND]
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add ecx, 0xFFF
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shr ecx, 12
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;--------------------------------------
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align 4
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.z:
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mov eax, [page_tabs+ebx*4]
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test al, 1
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jz @f
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call free_page
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;--------------------------------------
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align 4
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@@:
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mov eax, [page_tabs+esi*4]
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or al, PG_UWR
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mov [page_tabs+ebx*4], eax
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mov eax, ebx
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shl eax, 12
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invlpg [eax]
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inc ebx
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inc esi
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loop .z
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ret
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;--------------------------------------
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align 4
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.nomem:
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and [bgrlockpid], 0
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mov [bgrlock], 0
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;--------------------------------------
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align 4
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nosb6:
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cmp ebx, 7
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jnz nosb7
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cmp [bgrlock], 0
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jz .err
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mov eax, [current_slot_idx]
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cmp [bgrlockpid], eax
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jnz .err
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mov eax, ecx
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mov ebx, ecx
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shr eax, 12
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mov ecx, [page_tabs+(eax-1)*4]
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test cl, MEM_BLOCK_USED or MEM_BLOCK_DONT_FREE
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jz .err
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jnp .err
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push eax
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shr ecx, 12
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dec ecx
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;--------------------------------------
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align 4
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@@:
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and dword [page_tabs+eax*4], 0
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mov edx, eax
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shl edx, 12
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push eax
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invlpg [edx]
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pop eax
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inc eax
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loop @b
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pop eax
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and dword [page_tabs+(eax-1)*4], not MEM_BLOCK_DONT_FREE
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stdcall user_free, ebx
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mov [esp+32], eax
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and [bgrlockpid], 0
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mov [bgrlock], 0
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ret
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;--------------------------------------
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align 4
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.err:
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and dword [esp+32], 0
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ret
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;-------------------------------------
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align 4
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nosb7:
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cmp ebx, 8
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jnz nosb8
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mov ecx, [current_slot]
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xor eax, eax
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xchg eax, [ecx+APPDATA.draw_bgr_x]
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mov [esp + 32], eax ; eax = [left]*65536 + [right]
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xor eax, eax
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xchg eax, [ecx+APPDATA.draw_bgr_y]
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mov [esp + 20], eax ; ebx = [top]*65536 + [bottom]
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ret
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;---------------------------------------
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align 4
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nosb8:
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cmp ebx, 9
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jnz nosb9
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; ecx = [left]*65536 + [right]
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; edx = [top]*65536 + [bottom]
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mov eax, [_display.width]
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mov ebx, [_display.height]
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; check [right]
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cmp cx, ax
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jae .exit
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; check [left]
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ror ecx, 16
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cmp cx, ax
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jae .exit
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; check [bottom]
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cmp dx, bx
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jae .exit
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; check [top]
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ror edx, 16
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cmp dx, bx
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jae .exit
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movzx eax, cx ; [left]
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movzx ebx, dx ; [top]
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shr ecx, 16 ; [right]
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shr edx, 16 ; [bottom]
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mov [background_defined], 1
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mov [draw_data+32 + RECT.left], eax
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mov [draw_data+32 + RECT.top], ebx
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mov [draw_data+32 + RECT.right], ecx
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mov [draw_data+32 + RECT.bottom], edx
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inc [REDRAW_BACKGROUND]
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call wakeup_osloop
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;--------------------------------------
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align 4
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.exit:
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ret
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;--------------------------------------
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align 4
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nosb9:
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ret
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;------------------------------------------------------------------------------
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align 4
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uglobal
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BG_Rect_X_left_right dd 0x0
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BG_Rect_Y_top_bottom dd 0x0
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endg
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;------------------------------------------------------------------------------
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align 4
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force_redraw_background:
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and [draw_data+32 + RECT.left], 0
|
|
|
|
|
and [draw_data+32 + RECT.top], 0
|
|
|
|
|
push eax ebx
|
|
|
|
|
mov eax, [_display.width]
|
|
|
|
|
mov ebx, [_display.height]
|
|
|
|
|
dec eax
|
|
|
|
|
dec ebx
|
|
|
|
|
mov [draw_data+32 + RECT.right], eax
|
|
|
|
|
mov [draw_data+32 + RECT.bottom], ebx
|
|
|
|
|
pop ebx eax
|
|
|
|
|
inc [REDRAW_BACKGROUND]
|
|
|
|
|
call wakeup_osloop
|
|
|
|
|
ret
|
|
|
|
|
;------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
sys_getbackground: ; sysfn 39
|
|
|
|
|
dec ebx
|
|
|
|
|
jnz .nogb1
|
|
|
|
|
; sysfn 39.1:
|
|
|
|
|
mov eax, [BgrDataWidth]
|
|
|
|
|
shl eax, 16
|
|
|
|
|
mov ax, word [BgrDataHeight]
|
|
|
|
|
mov [esp+32], eax
|
|
|
|
|
ret
|
|
|
|
|
;---------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.nogb1:
|
|
|
|
|
dec ebx
|
|
|
|
|
jnz .nogb2
|
|
|
|
|
; sysfn 39.2:
|
|
|
|
|
mov eax, [img_background]
|
|
|
|
|
test ecx, ecx
|
|
|
|
|
jz @f
|
|
|
|
|
cmp eax, static_background_data
|
|
|
|
|
jz .ret
|
|
|
|
|
align 4
|
|
|
|
|
@@:
|
|
|
|
|
mov ebx, [mem_BACKGROUND]
|
|
|
|
|
add ebx, 4095
|
|
|
|
|
and ebx, -4096
|
|
|
|
|
sub ebx, 4
|
|
|
|
|
cmp ecx, ebx
|
|
|
|
|
ja .ret
|
|
|
|
|
|
|
|
|
|
mov eax, [ecx+eax]
|
|
|
|
|
|
|
|
|
|
and eax, 0xFFFFFF
|
|
|
|
|
mov [esp+32], eax
|
|
|
|
|
align 4
|
|
|
|
|
.ret:
|
|
|
|
|
ret
|
|
|
|
|
;------------------------------------------------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.x dd ?
|
|
|
|
|
.y dd ?
|
|
|
|
|
.w dd ?
|
|
|
|
|
.h dd ?
|
|
|
|
|
.subrect_startptr dd ?
|
|
|
|
|
.subrect_bytes dd ?
|
|
|
|
|
align 4
|
|
|
|
|
.nogb2:
|
|
|
|
|
dec ebx
|
|
|
|
|
jnz .nogb3
|
|
|
|
|
; sysfn 39.3 read background subrect to buffer
|
|
|
|
|
; ecx - <x, y>
|
|
|
|
|
; edx - <w, h>
|
|
|
|
|
; esi - buffer of 0x00RRGGBB
|
|
|
|
|
mov eax, [img_background]
|
|
|
|
|
cmp eax, static_background_data
|
|
|
|
|
jz .ret_39_3
|
|
|
|
|
align 4
|
|
|
|
|
@@:
|
|
|
|
|
movzx eax, cx ; store y in eax
|
|
|
|
|
mov [.y], eax
|
|
|
|
|
|
|
|
|
|
shr ecx, 16 ; ecx = x
|
|
|
|
|
mov [.x], ecx
|
|
|
|
|
|
|
|
|
|
imul eax, [BgrDataWidth]
|
|
|
|
|
add eax, ecx
|
|
|
|
|
imul eax, 3
|
|
|
|
|
mov [.subrect_startptr], eax
|
|
|
|
|
|
|
|
|
|
movzx eax, dx ; store h in eax
|
|
|
|
|
mov [.h], eax
|
|
|
|
|
|
|
|
|
|
shr edx, 16 ; edx = w
|
|
|
|
|
mov [.w], edx
|
|
|
|
|
|
|
|
|
|
imul eax, edx
|
|
|
|
|
mov [.subrect_bytes], eax
|
|
|
|
|
|
|
|
|
|
; check bounds
|
|
|
|
|
mov ebx, [mem_BACKGROUND]
|
|
|
|
|
add ebx, 4095
|
|
|
|
|
and ebx, -4096
|
|
|
|
|
sub ebx, 4
|
|
|
|
|
add eax, [.subrect_startptr]
|
|
|
|
|
cmp eax, ebx
|
|
|
|
|
ja .fail_39_3
|
|
|
|
|
|
|
|
|
|
; copy contents
|
|
|
|
|
mov edi, [img_background]
|
|
|
|
|
xor ecx, ecx ; ecx - row index
|
|
|
|
|
.copy_rect:
|
|
|
|
|
cmp ecx, [.h]
|
|
|
|
|
jae .end_copy_rect
|
|
|
|
|
|
|
|
|
|
xor edx, edx ; edx - column index
|
|
|
|
|
.copy_row:
|
|
|
|
|
cmp edx, [.w]
|
|
|
|
|
jae .end_copy_row
|
|
|
|
|
|
|
|
|
|
mov ebx, ecx
|
|
|
|
|
imul ebx, [BgrDataWidth]
|
|
|
|
|
add ebx, edx
|
|
|
|
|
imul ebx, 3
|
|
|
|
|
add ebx, [.subrect_startptr]
|
|
|
|
|
mov eax, [edi + ebx]
|
|
|
|
|
mov ebx, ecx
|
|
|
|
|
imul ebx, [.w]
|
|
|
|
|
add ebx, edx
|
|
|
|
|
and eax, 0xFFFFFF
|
|
|
|
|
mov [esi + ebx*4], eax
|
|
|
|
|
|
|
|
|
|
inc edx
|
|
|
|
|
jmp .copy_row
|
|
|
|
|
.end_copy_row:
|
|
|
|
|
|
|
|
|
|
inc ecx
|
|
|
|
|
jmp .copy_rect
|
|
|
|
|
.end_copy_rect:
|
|
|
|
|
xor eax, eax
|
|
|
|
|
mov [esp+32], eax
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.fail_39_3:
|
|
|
|
|
mov eax, -1
|
|
|
|
|
align 4
|
|
|
|
|
.ret_39_3:
|
|
|
|
|
ret
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.nogb3:
|
|
|
|
|
dec ebx
|
|
|
|
|
jnz .nogb4
|
|
|
|
|
; sysfn 39.4:
|
|
|
|
|
mov eax, [BgrDrawMode]
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.nogb4:
|
|
|
|
|
mov [esp+32], eax
|
|
|
|
|
ret
|
|
|
|
|
;-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
syscall_putarea_backgr: ; sysfn 25
|
|
|
|
|
;eax = 25
|
|
|
|
|
;ebx = pointer to bufer for img BBGGRRBBGGRR...
|
|
|
|
|
;ecx = [size x]*65536 + [size y]
|
|
|
|
|
;edx = [start x]*65536 + [start y]
|
|
|
|
|
pushad
|
|
|
|
|
mov edi, ebx
|
|
|
|
|
mov eax, edx
|
|
|
|
|
shr eax, 16
|
|
|
|
|
mov ebx, edx
|
|
|
|
|
and ebx, 0xffff
|
|
|
|
|
dec eax
|
|
|
|
|
dec ebx
|
|
|
|
|
; eax - x, ebx - y
|
|
|
|
|
mov edx, ecx
|
|
|
|
|
shr ecx, 16
|
|
|
|
|
and edx, 0xffff
|
|
|
|
|
mov esi, ecx
|
|
|
|
|
; ecx - size x, edx - size y
|
|
|
|
|
mov ebp, edx
|
|
|
|
|
|
|
|
|
|
lea ebp, [ebp*4]
|
|
|
|
|
imul ebp, esi
|
|
|
|
|
stdcall is_region_userspace, edi, ebp
|
|
|
|
|
jnz .exit
|
|
|
|
|
|
|
|
|
|
mov ebp, edx
|
|
|
|
|
|
|
|
|
|
dec ebp
|
|
|
|
|
shl ebp, 2
|
|
|
|
|
|
|
|
|
|
imul ebp, esi
|
|
|
|
|
|
|
|
|
|
mov esi, ecx
|
|
|
|
|
dec esi
|
|
|
|
|
shl esi, 2
|
|
|
|
|
|
|
|
|
|
add ebp, esi
|
|
|
|
|
add ebp, edi
|
|
|
|
|
|
|
|
|
|
add ebx, edx
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.start_y:
|
|
|
|
|
push ecx edx
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.start_x:
|
|
|
|
|
push eax ecx
|
|
|
|
|
add eax, ecx
|
|
|
|
|
|
|
|
|
|
mov ecx, [ebp]
|
|
|
|
|
rol ecx, 8
|
|
|
|
|
test cl, cl ; transparensy = 0
|
|
|
|
|
jz .no_put
|
|
|
|
|
|
|
|
|
|
xor cl, cl
|
|
|
|
|
ror ecx, 8
|
|
|
|
|
|
|
|
|
|
pushad
|
|
|
|
|
mov edx, [d_width_calc_area + ebx*4]
|
|
|
|
|
add edx, [_display.win_map]
|
|
|
|
|
movzx edx, byte [eax+edx]
|
|
|
|
|
cmp dl, byte 1
|
|
|
|
|
jne @f
|
|
|
|
|
|
|
|
|
|
call dword [PUTPIXEL]; eax - x, ebx - y
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
@@:
|
|
|
|
|
popad
|
|
|
|
|
;--------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.no_put:
|
|
|
|
|
pop ecx eax
|
|
|
|
|
|
|
|
|
|
sub ebp, 4
|
|
|
|
|
dec ecx
|
|
|
|
|
jnz .start_x
|
|
|
|
|
|
|
|
|
|
pop edx ecx
|
|
|
|
|
dec ebx
|
|
|
|
|
dec edx
|
|
|
|
|
jnz .start_y
|
|
|
|
|
|
|
|
|
|
.exit:
|
|
|
|
|
popad
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
