From 92ab8328b19a3a75deedc9a088d609dd77b72b97 Mon Sep 17 00:00:00 2001
From: Nitrus
Date: Tue, 20 Nov 2018 18:59:17 +0100
Subject: 3DS: Clear render target on each frame

...in order to clear framebuffer artifacts in case the screen is not stretched.
---
 backends/platform/3ds/osystem-graphics.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'backends/platform/3ds/osystem-graphics.cpp')

diff --git a/backends/platform/3ds/osystem-graphics.cpp b/backends/platform/3ds/osystem-graphics.cpp
index 777272e1d9..ebc1b8c7ed 100644
--- a/backends/platform/3ds/osystem-graphics.cpp
+++ b/backends/platform/3ds/osystem-graphics.cpp
@@ -273,6 +273,7 @@ void OSystem_3DS::updateScreen() {
 
 	C3D_FrameBegin(C3D_FRAME_SYNCDRAW);
 		// Render top screen
+		C3D_RenderTargetClear(_renderTargetTop, C3D_CLEAR_ALL, 0x00000000, 0);
 		C3D_FrameDrawOn(_renderTargetTop);
 		if (config.screen == kScreenTop || config.screen == kScreenBoth) {
 			C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, _projectionLocation, &_projectionTop);
@@ -290,6 +291,7 @@ void OSystem_3DS::updateScreen() {
 		}
 
 		// Render bottom screen
+		C3D_RenderTargetClear(_renderTargetBottom, C3D_CLEAR_ALL, 0x00000000, 0);
 		C3D_FrameDrawOn(_renderTargetBottom);
 		if (config.screen == kScreenBottom || config.screen == kScreenBoth) {
 			C3D_FVUnifMtx4x4(GPU_VERTEX_SHADER, _projectionLocation, &_projectionBottom);
-- 
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