M CHANGES → CHANGES

@@ -16,6 +16,7 @@ - GBA DMA: Fix Display Start DMAs
  - GBA DMA: Fix DMA start/end timing
  - Qt: Fix window icon on X11
  - GB, GBA Serialize: Fix loading two states in a row
+ - GBA Video: Fix enabling layers in non-tile modes (fixes mgba.io/i/1317)
 Misc:
  - GBA Video: Improve sprite cycle counting (fixes mgba.io/i/1274)
 

M src/gba/renderers/video-software.c → src/gba/renderers/video-software.c

@@ -727,7 +727,8 @@ int wasActive = renderer->bg[bg].enabled;
 	if (!active) {
 		renderer->bg[bg].enabled = 0;
 	} else if (!wasActive && active) {
-		if (renderer->nextY == 0) {
+		if (renderer->nextY == 0 || GBARegisterDISPCNTGetMode(renderer->dispcnt) > 2) {
+			// TODO: Investigate in more depth how switching background works in different modes
 			renderer->bg[bg].enabled = 4;
 		} else {
 			renderer->bg[bg].enabled = 1;