Usermode/AxWin3 - Speedups mostly, required some restructure

[tpg/acess2.git] / Usermode / Applications / axwin3_src / WM / video.c

diff --git a/Usermode/Applications/axwin3_src/WM/video.c b/Usermode/Applications/axwin3_src/WM/video.c
index a30dd37..dfdd2e5 100644 (file)
--- a/Usermode/Applications/axwin3_src/WM/video.c
+++ b/Usermode/Applications/axwin3_src/WM/video.c
@@ -92,7 +92,7 @@ void Video_Update(void)
        _SysDebug("Video_Update - Sending FD %i %p 0x%x", giTerminalFD, gpScreenBuffer+ofs, size*4);
        _SysWrite(giTerminalFD, gpScreenBuffer+ofs, size*4);
        _SysDebug("Video_Update - Done");
-       giVideo_FirstDirtyLine = 0;
+       giVideo_FirstDirtyLine = giScreenHeight;
        giVideo_LastDirtyLine = 0;
 }
 
@@ -159,10 +159,8 @@ void Video_Blit(uint32_t *Source, short DstX, short DstY, short W, short H)
 
        if( W <= 0 || H <= 0 )  return;
 
-       if( DstY < giVideo_FirstDirtyLine )
-               giVideo_FirstDirtyLine = DstY;
-       if( DstY + H > giVideo_LastDirtyLine )
-               giVideo_LastDirtyLine = DstY + H;
+       giVideo_FirstDirtyLine = MIN(DstY, giVideo_FirstDirtyLine);
+       giVideo_LastDirtyLine  = MAX(DstY+H, giVideo_LastDirtyLine);
        
        buf = gpScreenBuffer + DstY*giScreenWidth + DstX;
        if(drawW != giScreenWidth || W != giScreenWidth)