openspades/Sources/Draw/GLShadowMapShader.h
2016-12-03 18:23:47 +09:00

52 lines
1.5 KiB
C++

/*
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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vector>
#include "GLProgramUniform.h"
namespace spades {
namespace draw {
class GLRenderer;
class GLProgramManager;
class IGLShadowMapRenderer;
struct GLShadowMapRenderParam;
class GLShadowMapShader {
GLProgramUniform projectionViewMatrix;
public:
GLShadowMapShader();
~GLShadowMapShader() {}
static std::vector<GLShader *> RegisterShader(GLProgramManager *);
static IGLShadowMapRenderer *CreateShadowMapRenderer(GLRenderer *);
/** setups shadow map 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);
};
}
}