1 files changed, 58 insertions, 0 deletions
diff --git a/src/client/shadows/shadowsshadercallbacks.h b/src/client/shadows/shadowsshadercallbacks.h
new file mode 100644
index 000000000..87833c0ec
--- /dev/null
+++ b/src/client/shadows/shadowsshadercallbacks.h
@@ -0,0 +1,58 @@
+/*
+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>
+#include "client/shader.h"
+
+class ShadowDepthShaderCB : public video::IShaderConstantSetCallBack
+{
+public:
+	ShadowDepthShaderCB() :
+			m_light_mvp_setting("LightMVP"),
+			m_map_resolution_setting("MapResolution"),
+			m_max_far_setting("MaxFar"),
+			m_color_map_sampler_setting("ColorMapSampler"),
+			m_perspective_bias0("xyPerspectiveBias0"),
+			m_perspective_bias1("xyPerspectiveBias1"),
+			m_perspective_zbias("zPerspectiveBias"),
+			m_cam_pos_setting("CameraPos")
+	{}
+
+	void OnSetMaterial(const video::SMaterial &material) override {}
+
+	void OnSetConstants(video::IMaterialRendererServices *services,
+			s32 userData) override;
+
+	f32 MaxFar{2048.0f}, MapRes{1024.0f};
+	f32 PerspectiveBiasXY {0.9f}, PerspectiveBiasZ {0.5f};
+	v3f CameraPos;
+
+private:
+	CachedVertexShaderSetting<f32, 16> m_light_mvp_setting;
+	CachedVertexShaderSetting<f32> m_map_resolution_setting;
+	CachedVertexShaderSetting<f32> m_max_far_setting;
+	CachedPixelShaderSetting<s32> m_color_map_sampler_setting;
+	CachedVertexShaderSetting<f32> m_perspective_bias0;
+	CachedVertexShaderSetting<f32> m_perspective_bias1;
+	CachedVertexShaderSetting<f32> m_perspective_zbias;
+	CachedVertexShaderSetting<f32, 4> m_cam_pos_setting;
+};