1 /* 2 Copyright (c) 2013 yvt 3 4 This file is part of OpenSpades. 5 6 OpenSpades is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 OpenSpades is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with OpenSpades. If not, see <http://www.gnu.org/licenses/>. 18 19 */ 20 21 #pragma once 22 23 #include <vector> 24 25 #include "GLProgramUniform.h" 26 27 namespace spades { 28 namespace draw { 29 class GLRenderer; 30 class GLProgramManager; 31 class IGLShadowMapRenderer; 32 struct GLShadowMapRenderParam; 33 class GLShadowMapShader { 34 GLProgramUniform projectionViewMatrix; 35 36 public: 37 GLShadowMapShader(); ~GLShadowMapShader()38 ~GLShadowMapShader() {} 39 40 static std::vector<GLShader *> RegisterShader(GLProgramManager *); 41 42 static IGLShadowMapRenderer *CreateShadowMapRenderer(GLRenderer *); 43 44 /** setups shadow map shader. 45 * note that this function sets the current active texture 46 * stage to the returned texture stage. 47 * @param firstTexStage first available texture stage. 48 * @return next available texture stage */ 49 int operator()(GLRenderer *renderer, GLProgram *, int firstTexStage); 50 }; 51 } 52 }