Imported existing code

indra/llrender/llshadermgr.h

@@ -0,0 +1,76 @@
+/** 
+ * @file llshadermgr.h
+ * @brief Shader Manager
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_SHADERMGR_H
+#define LL_SHADERMGR_H
+
+#include "llgl.h"
+#include "llglslshader.h"
+
+class LLShaderMgr
+{
+public:
+	LLShaderMgr();
+	virtual ~LLShaderMgr();
+
+	// singleton pattern implementation
+	static LLShaderMgr * instance();
+
+	BOOL attachShaderFeatures(LLGLSLShader * shader);
+	void dumpObjectLog(GLhandleARB ret, BOOL warns = TRUE);
+	BOOL	linkProgramObject(GLhandleARB obj, BOOL suppress_errors = FALSE);
+	BOOL	validateProgramObject(GLhandleARB obj);
+	GLhandleARB loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type);
+
+	// Implemented in the application to actually point to the shader directory.
+	virtual std::string getShaderDirPrefix(void) = 0; // Pure Virtual
+
+	// Implemented in the application to actually update out of date uniforms for a particular shader
+	virtual void updateShaderUniforms(LLGLSLShader * shader) = 0; // Pure Virtual
+
+public:
+	// Map of shader names to compiled
+	std::map<std::string, GLhandleARB> mShaderObjects;
+
+	//global (reserved slot) shader parameters
+	std::vector<std::string> mReservedAttribs;
+
+	std::vector<std::string> mReservedUniforms;
+
+protected:
+
+	// our parameter manager singleton instance
+	static LLShaderMgr * sInstance;
+
+}; //LLShaderMgr
+
+#endif