From c3ac725269ce4f4aade3d6cbcbd812130d907177 Mon Sep 17 00:00:00 2001
From: aliaspider <aliaspider@gmail.com>
Date: Sun, 13 Sep 2015 22:27:28 +0100
Subject: [PATCH] (CTR/3DS) improve vsync. gfxSwapBuffersGpu needs to be called
 immediately after initiating a display transfer.

---
 gfx/drivers/ctr_gfx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gfx/drivers/ctr_gfx.c b/gfx/drivers/ctr_gfx.c
index c891619425..18da5807e0 100644
--- a/gfx/drivers/ctr_gfx.c
+++ b/gfx/drivers/ctr_gfx.c
@@ -253,7 +253,6 @@ static bool ctr_frame(void* data, const void* frame,
    svcWaitSynchronization(gspEvents[GSPEVENT_PPF], 20000000);
    svcClearEvent(gspEvents[GSPEVENT_PPF]);
 
-   gfxSwapBuffersGpu();   
    frames++;
 
    if (ctr->vsync)
@@ -361,6 +360,7 @@ static bool ctr_frame(void* data, const void* frame,
    ctrGuDisplayTransfer(true, CTR_GPU_FRAMEBUFFER, 240,400, CTRGU_RGBA8,
                         gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL), 240,400,CTRGU_RGB8, CTRGU_MULTISAMPLE_NONE);
 
+   gfxSwapBuffersGpu();
    RARCH_PERFORMANCE_STOP(ctrframe_f);
 
    return true;