1 files changed, 55 insertions, 0 deletions
diff --git a/src/client/render/pageflip.cpp b/src/client/render/pageflip.cpp
new file mode 100644
index 000000000..8d6fa7423
--- /dev/null
+++ b/src/client/render/pageflip.cpp
@@ -0,0 +1,55 @@
+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2017 numzero, Lobachesky Vitaly <numzer0@yandex.ru>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "pageflip.h"
+
+void RenderingCorePageflip::initTextures()
+{
+	hud = driver->addRenderTargetTexture(
+			screensize, "3d_render_hud", video::ECF_A8R8G8B8);
+}
+
+void RenderingCorePageflip::clearTextures()
+{
+	driver->removeTexture(hud);
+}
+
+void RenderingCorePageflip::drawAll()
+{
+	driver->setRenderTarget(hud, true, true, video::SColor(0, 0, 0, 0));
+	drawHUD();
+	driver->setRenderTarget(nullptr, false, false, skycolor);
+	renderBothImages();
+}
+
+void RenderingCorePageflip::useEye(bool _right)
+{
+	driver->setRenderTarget(_right ? video::ERT_STEREO_RIGHT_BUFFER
+				       : video::ERT_STEREO_LEFT_BUFFER,
+			true, true, skycolor);
+	RenderingCoreStereo::useEye(_right);
+}
+
+void RenderingCorePageflip::resetEye()
+{
+	driver->draw2DImage(hud, v2s32(0, 0));
+	driver->setRenderTarget(video::ERT_FRAME_BUFFER, false, false, skycolor);
+	RenderingCoreStereo::resetEye();
+}