src/client/shadows/shadowsshadercallbacks.cpp

   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 #include "client/shadows/shadowsshadercallbacks.h"
  21
  22 void ShadowDepthShaderCB::OnSetConstants(
  23                 video::IMaterialRendererServices *services, s32 userData)
  24 {
  25         video::IVideoDriver *driver = services->getVideoDriver();
  26
  27         core::matrix4 lightMVP = driver->getTransform(video::ETS_PROJECTION);
  28         lightMVP *= driver->getTransform(video::ETS_VIEW);
  29         lightMVP *= driver->getTransform(video::ETS_WORLD);
  30
  31         services->setVertexShaderConstant(
  32                 services->getPixelShaderConstantID("LightMVP"),
  33                 lightMVP.pointer(), 16);
  34
  35         services->setVertexShaderConstant(
  36                 services->getPixelShaderConstantID("MapResolution"), &MapRes, 1);
  37         services->setVertexShaderConstant(
  38                 services->getPixelShaderConstantID("MaxFar"), &MaxFar, 1);
  39
  40         s32 TextureId = 0;
  41         services->setPixelShaderConstant(
  42                 services->getPixelShaderConstantID("ColorMapSampler"), &TextureId,
  43                 1);
  44 }