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https://github.com/AquariaOSE/Aquaria.git
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94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/*
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Copyright (C) 2007, 2010 - Bit-Blot
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This file is part of Aquaria.
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Aquaria is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef BBGE_SHADER_H
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#define BBGE_SHADER_H
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#include "Base.h"
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#include "ScriptObject.h"
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class Shader
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{
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public:
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Shader();
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~Shader();
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bool isLoaded() const;
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void load(const std::string &file, const std::string &fragFile);
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void loadSrc(const char *vertCode, const char *fragCode);
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void reload();
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void unload();
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void bind();
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void unbind();
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void setInt(const char *name, int x, int y = 0, int z = 0, int w = 0);
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void setFloat(const char *name, float x, float y = 0, float z = 0, float w = 0);
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// TODO: other setters needed?
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protected:
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std::string vertFile, fragFile;
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std::string vertSrc, fragSrc;
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unsigned g_programObj;
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unsigned numUniforms;
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private:
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static void staticInit();
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static bool _wasInited;
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static bool _useShaders;
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static unsigned int _compileShader(int type, const char *src, char *errbuf, size_t errbufsize);
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struct Uniform
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{
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int location; // GL location variable
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size_t type;
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bool dirty; // need to flush if true
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union
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{
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struct si
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{
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int i[4];
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} i;
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struct sf
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{
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float f[4];
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} f;
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} data;
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char name[64];
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bool operator< (const Uniform&) const;
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};
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static bool _sortUniform(const Uniform& a, const char *bname);
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void _queryUniforms();
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void _flushUniforms();
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void _registerUniform();
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void _setUniform(Uniform *u);
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int _getUniformIndex(const char *name);
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typedef std::vector<Uniform> UniformVec;
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UniformVec uniforms;
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bool uniformsDirty;
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};
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#endif
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