/* Copyright (c) 2013 yvt This file is part of OpenSpades. OpenSpades is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. OpenSpades 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenSpades. If not, see . */ #pragma once #include "GLProgramUniform.h" #include namespace spades { namespace draw { class GLRenderer; class GLProgramManager; class GLShadowShader{ GLProgramUniform eyeOrigin; GLProgramUniform eyeFront; GLProgramUniform mapShadowTexture; GLProgramUniform fogColor; GLProgramUniform ambientColor; GLProgramUniform shadowMapViewMatrix; GLProgramUniform shadowMapTexture1; GLProgramUniform shadowMapTexture2; GLProgramUniform shadowMapTexture3; GLProgramUniform shadowMapMatrix1; GLProgramUniform shadowMapMatrix2; GLProgramUniform shadowMapMatrix3; GLProgramUniform ambientShadowTexture; GLProgramUniform radiosityTextureFlat; GLProgramUniform radiosityTextureX; GLProgramUniform radiosityTextureY; GLProgramUniform radiosityTextureZ; GLProgramUniform pagetableSize; GLProgramUniform pagetableSizeInv; GLProgramUniform minLod; GLProgramUniform shadowMapSizeInv; public: GLShadowShader(); ~GLShadowShader(){} static std::vector RegisterShader(GLProgramManager *, bool variance = false); /** setups shadow shader. * note that this function sets the current active texture * stage to the returned texture stage. * @param firstTexStage first available texture stage. * @return next available texture stage */ int operator()(GLRenderer *renderer, GLProgram *, int firstTexStage); }; } }