forked from KolibriOS/kolibrios
Fix for r.2446 - for Qemu or non-standart videocards. Unfortunately [BytesPerScanLine] does not always equal to [_display.width]*[ScreenBPP]/8
git-svn-id: svn://kolibrios.org@2480 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79)
parent
a6e69b9e82
commit
4ba4f03104
@ -190,6 +190,8 @@ TASK_DATA equ (OS_BASE+0x0003020)
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TASK_EVENT equ (OS_BASE+0x0003020)
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d_width_calc_area equ (OS_BASE+0x0005000)
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BPSLine_calc_area equ (OS_BASE+0x0339000)
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mouseunder equ (OS_BASE+0x0006900)
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CDDataBuf equ (OS_BASE+0x0007000)
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FLOPPY_BUFF equ (OS_BASE+0x0008000)
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@ -403,6 +403,10 @@ high_code:
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mov [_WinMapSize], eax
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call calculate_fast_getting_offset_for_WinMapAddress
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; for Qemu or non standart video cards
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; Unfortunately [BytesPerScanLine] does not always
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; equal to [_display.width] * [ScreenBPP] / 8
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call calculate_fast_getting_offset_for_LFB
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mov esi, BOOT_VAR+0x9080
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movzx ecx, byte [esi-1]
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@ -4849,6 +4853,21 @@ calculate_fast_getting_offset_for_WinMapAddress:
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ret
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;------------------------------------------------------------------------------
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align 4
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calculate_fast_getting_offset_for_LFB:
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; calculate data area for fast getting offset to LFB
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xor eax, eax
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mov ecx, [_display.height]
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inc ecx
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mov edi, BPSLine_calc_area
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cld
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@@:
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stosd
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add eax, [BytesPerScanLine]
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dec ecx
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jnz @r
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ret
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;------------------------------------------------------------------------------
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align 4
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set_screen:
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cmp eax, [Screen_Max_X]
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jne .set
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@ -246,7 +246,8 @@
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; 04 dword draw limit - y start
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; 08 dword draw limit - x end
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; 0C dword draw limit - y end
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; 0x80339000 -> 3BFFF3 free (12k)
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; 0x80339000 -> 33A7FF area for fast getting offset to LFB (6k)
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; 0x8033A800 -> 3BFFF3 free (6k)
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; 0x8033BFF4 -> 33BFFF background info
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; 0x8033C000 page map (length b = memsize shr 15)
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; 0x8033C000 + b start of static pagetables
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@ -345,9 +345,10 @@ blit_32:
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mov edi, ebp
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imul edi, [_display.pitch]
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; imul edi, [_display.pitch]
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mov edi, [BPSLine_calc_area+edi*4]
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; imul ebp, [_display.width]
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mov ebp, [d_width_calc_area + ebp*4]
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mov ebp, [d_width_calc_area+ebp*4]
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add ebp, ebx
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add ebp, [_WinMapAddress]
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@ -618,9 +618,7 @@ proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
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mov [_dy], edx
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; mul dword [BytesPerScanLine]
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mov eax, [d_width_calc_area + eax*4]
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lea eax, [eax + eax*2]
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mov eax, [BPSLine_calc_area+eax*4]
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lea edx, [LFB_BASE+ecx*3]
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add edx, eax
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mov [cur_saved_base], edx
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@ -737,9 +735,7 @@ proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
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mov [_dy], edx
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; mul dword [BytesPerScanLine]
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mov eax, [d_width_calc_area + eax*4]
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shl eax, 2
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mov eax, [BPSLine_calc_area+eax*4]
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lea edx, [LFB_BASE+eax+ecx*4]
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mov [cur_saved_base], edx
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@ -72,8 +72,7 @@ align 4
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.no_mouseunder:
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;--------------------------------------
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; imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
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mov ebx, [d_width_calc_area + ebx*4]
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lea ebx, [ebx + ebx*2]
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mov ebx, [BPSLine_calc_area+ebx*4]
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lea edi, [eax+eax*2]; edi = x*3
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add edi, ebx ; edi = x*3+(y*y multiplier)
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mov ecx, [LFB_BASE+edi]
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@ -105,8 +104,7 @@ align 4
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.no_mouseunder:
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;--------------------------------------
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; imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
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mov ebx, [d_width_calc_area + ebx*4]
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shl ebx, 2
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mov ebx, [BPSLine_calc_area+ebx*4]
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lea edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
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mov ecx, [LFB_BASE+edi]
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;--------------------------------------
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@ -243,19 +241,7 @@ align 4
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; pointer to screen
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mov edx, [putimg.abs_cy]
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; imul edx, [BytesPerScanLine]
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mov edx, [d_width_calc_area + edx*4]
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cmp bl, 4
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je .32
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lea edx, [edx+edx*2]
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jmp @f
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;-------------------------------------
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align 4
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.32:
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shl edx, 2
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;-------------------------------------
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align 4
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@@:
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mov edx, [BPSLine_calc_area+edx*4]
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mov eax, [putimg.abs_cx]
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; movzx ebx, byte [ScreenBPP]
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; shr ebx, 3
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@ -740,9 +726,7 @@ Vesa20_putpixel24:
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mov cx, bx
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; imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
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mov ebx, [d_width_calc_area + ebx*4]
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lea ebx, [ebx + ebx*2]
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mov ebx, [BPSLine_calc_area+ebx*4]
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lea edi, [eax+eax*2]; edi = x*3
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mov eax, [esp+32-8+4]
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;--------------------------------------
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@ -771,9 +755,7 @@ Vesa20_putpixel24_new:
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mov cx, bx
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; imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
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mov ebx, [d_width_calc_area + ebx*4]
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lea ebx, [ebx + ebx*2]
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mov ebx, [BPSLine_calc_area+ebx*4]
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lea edi, [eax+eax*2]; edi = x*3
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mov eax, [esp+32-8+4]
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;--------------------------------------
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@ -819,9 +801,7 @@ Vesa20_putpixel32:
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mov cx, bx
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; imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
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mov ebx, [d_width_calc_area + ebx*4]
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shl ebx, 2
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mov ebx, [BPSLine_calc_area+ebx*4]
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lea edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
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mov eax, [esp+32-8+4]; eax = color
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;--------------------------------------
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@ -849,9 +829,7 @@ Vesa20_putpixel32_new:
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mov cx, bx
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; imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier
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mov ebx, [d_width_calc_area + ebx*4]
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shl ebx, 2
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mov ebx, [BPSLine_calc_area+ebx*4]
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lea edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
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mov eax, [esp+32-8+4]; eax = color
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;--------------------------------------
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@ -1238,19 +1216,7 @@ align 4
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; pointer to screen
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mov edx, [drbar.abs_cy]
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; imul edx, [BytesPerScanLine]
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mov edx, [d_width_calc_area + edx*4]
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cmp bl, 4
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je .32
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lea edx, [edx+edx*2]
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jmp @f
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;-------------------------------------
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align 4
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.32:
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shl edx, 2
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;-------------------------------------
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align 4
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@@:
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mov edx, [BPSLine_calc_area+edx*4]
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mov eax, [drbar.abs_cx]
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imul eax, ebx
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add edx, eax
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@ -1656,18 +1622,7 @@ dp2:
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; and LFB data (output for our function) [edi]
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; mov eax, [BytesPerScanLine]
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; mul ebx
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mov eax, [d_width_calc_area + ebx*4]
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cmp [ScreenBPP], byte 32
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je .32
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lea eax, [eax+eax*2]
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jmp @f
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;-------------------------------------
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align 4
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.32:
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shl eax, 2
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;-------------------------------------
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align 4
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@@:
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mov eax, [BPSLine_calc_area+ebx*4]
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xchg ebp, eax
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add ebp, eax
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add ebp, eax
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@ -1813,19 +1768,7 @@ vesa20_drawbackground_stretch:
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; and LFB data (output for our function) [edi]
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; mov eax, [BytesPerScanLine]
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; mul ebx
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mov eax, [d_width_calc_area + ebx*4]
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cmp [ScreenBPP], byte 32
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je .32
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lea eax, [eax+eax*2]
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jmp @f
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;-------------------------------------
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align 4
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.32:
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shl eax, 2
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;-------------------------------------
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align 4
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@@:
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mov eax, [BPSLine_calc_area+ebx*4]
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xchg ebp, eax
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add ebp, eax
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add ebp, eax
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