1 files changed, 44 insertions, 0 deletions
diff --git a/src/client/shadows/shadowsshadercallbacks.cpp b/src/client/shadows/shadowsshadercallbacks.cpp
new file mode 100644
index 000000000..2f5797084
--- /dev/null
+++ b/src/client/shadows/shadowsshadercallbacks.cpp
@@ -0,0 +1,44 @@
+/*
+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.
+*/
+
+#include "client/shadows/shadowsshadercallbacks.h"
+
+void ShadowDepthShaderCB::OnSetConstants(
+		video::IMaterialRendererServices *services, s32 userData)
+{
+	video::IVideoDriver *driver = services->getVideoDriver();
+
+	core::matrix4 lightMVP = driver->getTransform(video::ETS_PROJECTION);
+	lightMVP *= driver->getTransform(video::ETS_VIEW);
+	lightMVP *= driver->getTransform(video::ETS_WORLD);
+
+	services->setVertexShaderConstant(
+		services->getPixelShaderConstantID("LightMVP"),
+		lightMVP.pointer(), 16);
+
+	services->setVertexShaderConstant(
+		services->getPixelShaderConstantID("MapResolution"), &MapRes, 1);
+	services->setVertexShaderConstant(
+		services->getPixelShaderConstantID("MaxFar"), &MaxFar, 1);
+
+	s32 TextureId = 0;
+	services->setPixelShaderConstant(
+		services->getPixelShaderConstantID("ColorMapSampler"), &TextureId,
+		1);
+}