diff options
| -rw-r--r-- | amiga/plotters.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/amiga/plotters.c b/amiga/plotters.c index 256f47747..899ec4930 100644 --- a/amiga/plotters.c +++ b/amiga/plotters.c @@ -121,6 +121,7 @@ void ami_init_layers(struct gui_globals *gg, ULONG width, ULONG height) gg->tmprasbuf = AllocVecTagList(width * height, NULL); #ifndef __amigaos4__ + /* If you're wondering why this is #ifdeffed, see the note about OS4 friend bitmaps below */ friend = scrn->RastPort.BitMap; #endif @@ -128,7 +129,10 @@ void ami_init_layers(struct gui_globals *gg, ULONG width, ULONG height) gg->bm = AllocBitMap(width, height, depth, 0, friend); } else { #ifdef __amigaos4__ - if(depth == 32) friend = scrn->RastPort.BitMap; + /* Screen depth is reported as 24 even when it's actually 32-bit. + * We get freezes and other problems on OS4 if we befriend at any + * other depths, hence this check. */ + if(depth >= 24) friend = scrn->RastPort.BitMap; #endif gg->bm = ami_rtg_allocbitmap(width, height, 32, 0, friend, RGBFB_A8R8G8B8); } |