src/client/shadows/shadowsshadercallbacks.h

   1 /*
   2 Minetest
   3 Copyright (C) 2021 Liso <anlismon@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21 #include "irrlichttypes_extrabloated.h"
  22 #include <IMaterialRendererServices.h>
  23 #include <IShaderConstantSetCallBack.h>
  24 #include "client/shader.h"
  25
  26 class ShadowDepthShaderCB : public video::IShaderConstantSetCallBack
  27 {
  28 public:
  29         ShadowDepthShaderCB() :
  30                         m_light_mvp_setting("LightMVP"),
  31                         m_map_resolution_setting("MapResolution"),
  32                         m_max_far_setting("MaxFar"),
  33                         m_color_map_sampler_setting("ColorMapSampler"),
  34                         m_perspective_bias0("xyPerspectiveBias0"),
  35                         m_perspective_bias1("xyPerspectiveBias1"),
  36                         m_perspective_zbias("zPerspectiveBias"),
  37                         m_cam_pos_setting("CameraPos")
  38         {}
  39
  40         void OnSetMaterial(const video::SMaterial &material) override {}
  41
  42         void OnSetConstants(video::IMaterialRendererServices *services,
  43                         s32 userData) override;
  44
  45         f32 MaxFar{2048.0f}, MapRes{1024.0f};
  46         f32 PerspectiveBiasXY {0.9f}, PerspectiveBiasZ {0.5f};
  47         v3f CameraPos;
  48
  49 private:
  50         CachedVertexShaderSetting<f32, 16> m_light_mvp_setting;
  51         CachedVertexShaderSetting<f32> m_map_resolution_setting;
  52         CachedVertexShaderSetting<f32> m_max_far_setting;
  53         CachedPixelShaderSetting<s32> m_color_map_sampler_setting;
  54         CachedVertexShaderSetting<f32> m_perspective_bias0;
  55         CachedVertexShaderSetting<f32> m_perspective_bias1;
  56         CachedVertexShaderSetting<f32> m_perspective_zbias;
  57         CachedVertexShaderSetting<f32, 4> m_cam_pos_setting;
  58 };