openspades/Sources/Draw/GLShadowShader.h
2013-09-16 13:29:55 +09:00

67 lines
2.1 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 "GLProgramUniform.h"
#include <vector>
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<GLShader *> 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);
};
}
}