M CHANGES → CHANGES

@@ -22,6 +22,7 @@ - GB Audio: Fix deserializing while audio was disabled (fixes mgba.io/i/1305)
  - GB MBC: Fix MBC1 mode changing behavior
  - GB MBC: Fix some MBC3 bit masking
  - GB Video: Fix state after skipping BIOS (fixes mgba.io/i/1715 and mgba.io/i/1716)
+ - GB Video: Fix drawing background when window is force-disabled by frontend
  - GBA: Fix timing advancing too quickly in rare cases
  - GBA: Clear GBP connection on reset
  - GBA Audio: Fix deserializing SOUNDCNT_L

M src/gb/extra/proxy.c → src/gb/extra/proxy.c

@@ -132,15 +132,15 @@ proxyRenderer->backend->writeOAM(proxyRenderer->backend, item->address);
 		}
 		break;
 	case DIRTY_VRAM:
-		proxyRenderer->backend->disableBG = proxyRenderer->d.disableBG;
-		proxyRenderer->backend->disableWIN = proxyRenderer->d.disableWIN;
-		proxyRenderer->backend->disableOBJ = proxyRenderer->d.disableOBJ;
 		if (item->address <= GB_SIZE_VRAM - 0x1000) {
 			logger->readData(logger, &logger->vram[item->address >> 1], 0x1000, true);
 			proxyRenderer->backend->writeVRAM(proxyRenderer->backend, item->address);
 		}
 		break;
 	case DIRTY_SCANLINE:
+		proxyRenderer->backend->disableBG = proxyRenderer->d.disableBG;
+		proxyRenderer->backend->disableWIN = proxyRenderer->d.disableWIN;
+		proxyRenderer->backend->disableOBJ = proxyRenderer->d.disableOBJ;
 		if (item->address < GB_VIDEO_VERTICAL_PIXELS) {
 			proxyRenderer->backend->finishScanline(proxyRenderer->backend, item->address);
 		}

M src/gb/renderers/software.c → src/gb/renderers/software.c

@@ -540,7 +540,7 @@ int wx = softwareRenderer->wx + softwareRenderer->currentWx - 7;
 		if (GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && wy == y && wx <= endX) {
 			softwareRenderer->hasWindow = true;
 		}
-		if (GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->hasWindow && wx <= endX) {
+		if (GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->hasWindow && wx <= endX && !softwareRenderer->d.disableWIN) {
 			if (wx > 0 && !softwareRenderer->d.disableBG) {
 				GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, wx, softwareRenderer->scx - softwareRenderer->offsetScx, softwareRenderer->scy + y - softwareRenderer->offsetScy);
 			}
@@ -549,9 +549,7 @@ maps = &softwareRenderer->d.vram[GB_BASE_MAP];
 			if (GBRegisterLCDCIsWindowTileMap(softwareRenderer->lcdc)) {
 				maps += GB_SIZE_MAP;
 			}
-			if (!softwareRenderer->d.disableWIN) {
-				GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, wx, endX, -wx - softwareRenderer->offsetWx, y - wy - softwareRenderer->offsetWy);
-			}
+			GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, wx, endX, -wx - softwareRenderer->offsetWx, y - wy - softwareRenderer->offsetWy);
 		} else if (!softwareRenderer->d.disableBG) {
 			GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, endX, softwareRenderer->scx - softwareRenderer->offsetScx, softwareRenderer->scy + y - softwareRenderer->offsetScy);
 		}