| 146,12 → 146,8 |
|---|
| nosb3: |
| cmp ebx, 4 ; TILED / STRETCHED |
| jnz nosb4 |
| cmp ecx, [BgrDrawMode] |
| je nosb41 |
| |
| mov [BgrDrawMode], ecx |
| ;-------------------------------------- |
| align 4 |
| nosb41: |
| ret |
| ;-------------------------------------- |
| align 4 |
| 409,13 → 405,6 |
|---|
| ret |
| ;------------------------------------------------------------------------------ |
| align 4 |
| .x dd ? |
| .y dd ? |
| .w dd ? |
| .h dd ? |
| .subrect_startptr dd ? |
| .subrect_bytes dd ? |
| align 4 |
| .nogb2: |
| dec ebx |
| jnz .nogb3 |
| 425,77 → 414,81 |
|---|
| ; esi - buffer of 0x00RRGGBB |
| mov eax, [img_background] |
| cmp eax, static_background_data |
| jz .fail_39_3 |
| align 4 |
| @@: |
| jz .exit_39_3 |
| |
| sub esp, 4*3 ; local values |
| ; get start offset |
| movzx eax, cx ; store y in eax |
| mov [.y], eax |
| cmp eax, [BgrDataHeight] |
| jae .fail_39_3 |
| mov [esp], eax ; save y |
| |
| shr ecx, 16 ; ecx = x |
| mov [.x], ecx |
| cmp ecx, [BgrDataWidth] |
| jae .fail_39_3 |
| |
| imul eax, [BgrDataWidth] |
| add eax, ecx |
| imul eax, 3 |
| mov [.subrect_startptr], eax |
| mov [esp + 4*2], eax ; offset first poixel for copy |
| ; get count pixels |
| movzx eax, dx ; h |
| shr edx, 16 ; w |
| add ecx, edx ; get RECT.right |
| cmp ecx, [BgrDataWidth] |
| jae .fail_39_3 |
| ; check area |
| mov ecx, [esp] |
| add ecx, eax |
| cmp ecx, [BgrDataHeight] |
| jae .fail_39_3 |
| |
| movzx eax, dx ; store h in eax |
| mov [.h], eax |
| mov [esp + 4], eax ; save H |
| mov [esp], edx ; save W |
| ; check buffer |
| add eax, edx |
| lea eax, [eax*3] |
| stdcall is_region_userspace, esi, eax |
| jnz .fail_39_3 |
| |
| shr edx, 16 ; edx = w |
| mov [.w], edx |
| ; loop copy lines |
| mov edi, esi |
| mov esi, [img_background] |
| add esi, [esp + 4*2] ; add offset start copy |
| xor ecx, ecx ; index in line |
| cmp ecx, [esp + 4] ; check H == zerro |
| jz .exit_39_3 |
| xor edx, edx ; offset in line |
| cld |
| .loop: |
| cmp ecx, [esp] ; check ecx < W |
| jae @f |
| |
| imul eax, edx |
| mov [.subrect_bytes], eax |
| |
| ; check bounds |
| mov ebx, [mem_BACKGROUND] |
| add ebx, PAGE_SIZE-1 |
| and ebx, -PAGE_SIZE |
| 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 |
| mov eax, [esi + edx] |
| and eax, 0xFFFFFF |
| mov [esi + ebx*4], eax |
| stosd ; [edi] = eax ; edi+=4; |
| inc ecx |
| add edx, 3 |
| |
| inc edx |
| jmp .copy_row |
| .end_copy_row: |
| |
| inc ecx |
| jmp .copy_rect |
| .end_copy_rect: |
| jmp .loop |
| @@: |
| xor edx, edx |
| mov eax, [BgrDataWidth] |
| lea esi, [esi + eax*2] |
| add esi, eax |
| mov ecx, edx |
| dec dword[esp + 4] ; h-- |
| jnz .loop |
| ; free stack |
| .exit_39_3: |
| add esp, 4*3 |
| xor eax, eax |
| mov [esp + SYSCALL_STACK.eax], eax |
| align 4 |
| .ret_39_3: |
| ret |
| ;-------------------------------------- |
| align 4 |
| .fail_39_3: |
| add esp, 4*3 |
| mov [esp + SYSCALL_STACK.eax], -1 |
| ret |
| ;-------------------------------------- |