Shadow mapping render pass (#11244)

Co-authored-by: x2048 <codeforsmile@gmail.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/src/client/shadows/shadowsScreenQuad.h b/src/client/shadows/shadowsScreenQuad.h
new file mode 100644
index 000000000..e6cc95957
--- /dev/null
+++ b/src/client/shadows/shadowsScreenQuad.h
@@ -0,0 +1,45 @@
+/*
+Minetest
+Copyright (C) 2021 Liso <anlismon@gmail.com>
+
+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.
+*/
+
+#pragma once
+#include "irrlichttypes_extrabloated.h"
+#include <IMaterialRendererServices.h>
+#include <IShaderConstantSetCallBack.h>
+
+class shadowScreenQuad
+{
+public:
+	shadowScreenQuad();
+
+	void render(video::IVideoDriver *driver);
+	video::SMaterial &getMaterial() { return Material; }
+
+private:
+	video::S3DVertex Vertices[6];
+	video::SMaterial Material;
+};
+
+class shadowScreenQuadCB : public video::IShaderConstantSetCallBack
+{
+public:
+	shadowScreenQuadCB(){};
+
+	virtual void OnSetConstants(video::IMaterialRendererServices *services,
+			s32 userData);
+};