mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-21 12:49:33 +02:00
* LFB modes finally work! You have to add $4000 to the mode number
if you use LFB access!
This commit is contained in:
Jonas Maebe
parent
54f9d56013
commit
577075367d
@ -1193,7 +1193,7 @@ type
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if UseNoSelector then
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col:=pbyte(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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col := col xor byte(CurrentColor);
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End;
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AndPut:
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@ -1201,7 +1201,7 @@ type
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if UseNoSelector then
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col:=pbyte(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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col := col and byte(CurrentColor);
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End;
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OrPut:
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@ -1209,7 +1209,7 @@ type
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if UseNoSelector then
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col:=pbyte(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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col := col or byte(CurrentColor);
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End
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else
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@ -1240,8 +1240,12 @@ type
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exit;
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end;
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offs := longint(y) * BytesPerLine + x;
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{$ifdef logging}
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logln('putpix offset: '+hexstr(offs,8)+', color: '+strf(color)+', lpo: $'+
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hexstr(LinearPageOfs,8));
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{$endif logging}
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if UseNoSelector then
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pbyte(LFBPointer+offs+LinearPageOfs)^:=color
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pbyte(LFBPointer+offs+LinearPageOfs)^:=byte(color)
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else
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seg_move(get_ds,longint(@color),WinWriteSeg,offs+LinearPageOfs,1);
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end;
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@ -1254,10 +1258,14 @@ type
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X:= X + StartXViewPort;
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Y:= Y + StartYViewPort;
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offs := longint(y) * BytesPerLine + x;
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{$ifdef logging}
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logln('getpix offset: '+hexstr(offs,8)+', lpo: $'+
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hexstr(LinearPageOfs,8));
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{$endif logging}
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if UseNoSelector then
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col:=pbyte(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),1);
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GetPixVESA256Linear:=col;
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end;
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(*
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@ -1300,6 +1308,9 @@ end;
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var
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offs : longint;
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begin
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{$ifdef logging}
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logln('putpixvesa32kor64k('+strf(x)+','+strf(y)+')');
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{$endif logging}
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X:= X + StartXViewPort;
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Y:= Y + StartYViewPort;
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{ convert to absolute coordinates and then verify clipping...}
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@ -1313,6 +1324,9 @@ end;
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Y := Y + YOffset; { adjust pixel for correct virtual page }
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offs := longint(y) * BytesPerLine + 2*x;
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SetWriteBank(integer(offs shr 16));
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{$ifdef logging}
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logln('putpixvesa32kor64k offset: '+strf(word(offs)));
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{$endif logging}
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memW[WinWriteSeg : word(offs)] := color;
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end;
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@ -1332,6 +1346,9 @@ end;
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offs : longint;
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col : word;
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begin
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{$ifdef logging}
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logln('directputpixvesa32kor64k('+strf(x)+','+strf(y)+')');
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{$endif logging}
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y:= Y + YOffset;
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offs := longint(y) * BytesPerLine + 2*x;
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SetWriteBank(integer((offs shr 16) and $ff));
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@ -1356,6 +1373,9 @@ end;
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If CurrentWriteMode <> NotPut Then
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col := CurrentColor
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Else col := Not(CurrentColor);
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{$ifdef logging}
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logln('directputpixvesa32kor64k offset: '+strf(word(offs)));
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{$endif logging}
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memW[WinWriteSeg : word(offs)] := Col;
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End
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End;
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@ -1398,7 +1418,7 @@ end;
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if UseNoSelector then
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color:=pword(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@color),2);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@color),2);
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GetPixVESA32kor64kLinear:=color;
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end;
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@ -1414,7 +1434,7 @@ end;
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if UseNoSelector then
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col:=pword(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),2);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),2);
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col := col xor currentcolor;
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End;
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AndPut:
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@ -1422,7 +1442,7 @@ end;
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if UseNoSelector then
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col:=pword(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),2);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),2);
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col := col and currentcolor;
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End;
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OrPut:
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@ -1430,7 +1450,7 @@ end;
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if UseNoSelector then
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col:=pword(LFBPointer+offs+LinearPageOfs)^
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else
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seg_move(WinReadSeg,offs+LinearPageOfs,get_ds,longint(@col),2);
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seg_move(WinWriteSeg,offs+LinearPageOfs,get_ds,longint(@col),2);
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col := col or currentcolor;
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End
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else
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@ -1578,6 +1598,9 @@ end;
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begin
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if DirectColor then
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Begin
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{$ifdef logging}
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logln('setvesargbpalette called with directcolor = true');
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{$endif logging}
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_GraphResult := grError;
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exit;
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end;
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@ -1633,6 +1656,9 @@ end;
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if word(regs.eax) <> $004F then
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begin
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{$ifdef logging}
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logln('setvesargbpalette failed while directcolor = false!');
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{$endif logging}
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_GraphResult := grError;
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exit;
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end;
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@ -1658,6 +1684,9 @@ end;
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begin
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if DirectColor then
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Begin
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{$ifdef logging}
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logln('getvesargbpalette called with directcolor = true');
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{$endif logging}
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_GraphResult := grError;
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exit;
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end;
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@ -1703,6 +1732,9 @@ end;
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if word(regs.eax) <> $004F then
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begin
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{$ifdef logging}
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logln('getvesargbpalette failed while directcolor = false!');
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{$endif logging}
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_GraphResult := grError;
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exit;
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end
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@ -1909,8 +1941,15 @@ Const
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end;
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FrameBufferLinearAddress:=Get_linear_addr(VESAModeInfo.PhysAddress and $FFFF0000,
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VESAInfo.TotalMem shl 16);
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{$ifdef logging}
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logln('framebuffer linear address: '+hexstr(FrameBufferLinearAddress div (1024*1024),8));
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logln('total mem shl 16: '+strf(vesainfo.totalmem shl 16));
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{$endif logging}
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if int31error<>0 then
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begin
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{$ifdef logging}
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logln('Unable to get linear address for '+hexstr(VESAModeInfo.PhysAddress,8));
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{$endif logging}
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writeln(stderr,'Unable to get linear address for ',hexstr(VESAModeInfo.PhysAddress,8));
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exit;
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end;
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@ -1924,17 +1963,22 @@ Const
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else
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begin
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WinWriteSeg:=allocate_ldt_descriptors(1);
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WinReadSeg:=allocate_ldt_descriptors(1);
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{$ifdef logging}
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logln('writeseg1: '+hexstr(winwriteseg,8));
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{$endif logging}
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set_segment_base_address(WinWriteSeg,FrameBufferLinearAddress);
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set_segment_limit(WinWriteSeg,(VESAInfo.TotalMem shl 16)-1);
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set_segment_base_address(WinReadSeg,FrameBufferLinearAddress);
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set_segment_limit(WinReadSeg,(VESAInfo.TotalMem shl 16)-1);
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lock_linear_region(FrameBufferLinearAddress,(VESAInfo.TotalMem shl 16));
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if int31error<>0 then
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begin
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{$ifdef logging}
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logln('Error in linear memory selectors creation');
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{$endif logging}
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writeln(stderr,'Error in linear memory selectors creation');
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exit;
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end;
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end;
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LinearPageOfs := 0;
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InLinear:=true;
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SetUpLinear:=true;
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{ WinSize:=(VGAInfo.TotalMem shl 16);
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@ -2086,6 +2130,9 @@ Const
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if (VESAModeInfo.attr and modeAvail) = 0 then
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begin
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SetVESAmode := FALSE;
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{$ifdef logging}
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logln(' vesa mode '+strf(mode)+' not supported!!!');
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{$endif logging}
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_GraphResult := grError;
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exit;
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end;
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@ -2125,6 +2172,9 @@ Const
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LogLn('Window size: '+strf(VESAModeInfo.winSize)+'kb');
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LogLn('Bytes per line: '+strf(bytesperline));
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{$endif logging}
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{ Select the correct mode number if we're going to use linear access! }
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if InLinear then
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inc(mode,$4000);
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asm
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mov ax,4F02h
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@ -2353,6 +2403,7 @@ Const
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{$endif fpc}
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mov [VideoMode], al
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end;
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(*
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{$ifdef logging}
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LogLn('Prepare to save VESA video state');
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{$endif logging}
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@ -2422,6 +2473,7 @@ Const
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regs.ebx := 0;
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RealIntr($10,regs);
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end;
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*)
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end;
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procedure RestoreStateVESA; {$ifndef fpc}far;{$endif fpc}
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@ -2595,7 +2647,11 @@ Const
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(*
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$Log$
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Revision 1.24 2000-06-07 07:41:44 jonas
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Revision 1.25 2000-07-08 07:48:38 jonas
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* LFB modes finally work! You have to add $4000 to the mode number
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if you use LFB access!
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Revision 1.24 2000/06/07 07:41:44 jonas
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* always set SetupLinear to false at the start of the routine (there
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were some "exit" statements which returned without the function
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result being set otherwise)
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