More Tweaks

src/devices/video/EmuNV2A_PGRAPH.cpp

@@ -467,8 +467,6 @@ DEVICE_WRITE32(PGRAPH)
 				% GET_MASK(d->pgraph.regs[NV_PGRAPH_SURFACE],
 					NV_PGRAPH_SURFACE_MODULO_3D));
 			qemu_cond_broadcast(&d->pgraph.flip_3d);
-
-			NV2ADevice::SwapBuffers(d);
 		}
 		break;
 	case NV_PGRAPH_FIFO:

src/devices/video/EmuNV2A_PVIDEO.cpp

@@ -28,12 +28,12 @@ DEVICE_WRITE32(PVIDEO)
 	switch (addr) {
 	case NV_PVIDEO_BUFFER:
 		d->pvideo.regs[addr] = value;
-		// TODO : d->vga.enable_overlay = true;
+		d->enable_overlay = true;
 		pvideo_vga_invalidate(d);
 		break;
 	case NV_PVIDEO_STOP:
 		d->pvideo.regs[NV_PVIDEO_BUFFER] = 0;
-		// TODO : d->vga.enable_overlay = false;
+		d->enable_overlay = false;
 		pvideo_vga_invalidate(d);
 		break;
 	default:

src/devices/video/nv2a.cpp

@@ -450,6 +450,8 @@ static void nv2a_vblank_thread(NV2AState *d)
 			d->pcrtc.pending_interrupts |= NV_PCRTC_INTR_0_VBLANK;
 			update_irq(d);
 			nextVBlankTime = GetNextVBlankTime();
+
+			NV2ADevice::SwapBuffers(d);
 		}
 	}
 }

src/devices/video/nv2a.h

@@ -495,6 +495,7 @@ typedef struct NV2AState {
     // PCIDevice dev;
     // qemu_irq irq;
     bool exiting;
+	bool enable_overlay = false;
 
     // VGACommonState vga;
     // GraphicHwOps hw_ops;