7d3e9723c3
Re-structured some shader loading/unloading handling. These changes are pretty experimental. I'll be holding off of tweaking the paramater managers(among other things) until I know if this stuff is working correctly.
80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/**
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* @file llshadermgr.h
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* @brief Shader Manager
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_SHADERMGR_H
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#define LL_SHADERMGR_H
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#include "llgl.h"
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#include "llglslshader.h"
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class LLShaderMgr
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{
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public:
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LLShaderMgr();
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virtual ~LLShaderMgr();
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// singleton pattern implementation
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static LLShaderMgr * instance();
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BOOL attachShaderFeatures(LLGLSLShader * shader);
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void dumpObjectLog(GLhandleARB ret, BOOL warns = TRUE);
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BOOL linkProgramObject(GLhandleARB obj, BOOL suppress_errors = FALSE);
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BOOL validateProgramObject(GLhandleARB obj);
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GLhandleARB loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type);
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// Implemented in the application to actually point to the shader directory.
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virtual std::string getShaderDirPrefix(void) = 0; // Pure Virtual
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// Implemented in the application to actually update out of date uniforms for a particular shader
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virtual void updateShaderUniforms(LLGLSLShader * shader) = 0; // Pure Virtual
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public:
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// Map of shader names to compiled
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std::map<std::string, GLhandleARB> mShaderObjects;
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//global (reserved slot) shader parameters
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std::vector<std::string> mReservedAttribs;
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std::vector<std::string> mReservedUniforms;
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protected:
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// our parameter manager singleton instance
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static LLShaderMgr * sInstance;
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public:
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static void unloadShaderClass(int shader_class);
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static std::vector<LLGLSLShader *> &getGlobalShaderList(); //Holds a list of ALL LLGLSLShader objects.
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}; //LLShaderMgr
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#endif
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