2010-05-15 03:47:50 +08:00
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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* Copyright (C) 2003-2005 3Dlabs Inc. Ltd.
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* Copyright (C) 2004-2005 Nathan Cournia
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* Copyright (C) 2008 Zebra Imaging
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*
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* This application is open source and may be redistributed and/or modified
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* freely and without restriction, both in commericial and non commericial
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* applications, as long as this copyright notice is maintained.
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*
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* This application 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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*
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*/
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/* file: src/osg/GLStaticLibrary.cpp
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* author: Alok Priyadarshi 2010-04-27
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*/
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#include "GLStaticLibrary.h"
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#include <osg/GL>
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#include <osg/Notify>
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2010-05-15 03:47:50 +08:00
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#include <map>
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#include <string>
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// This file is intended for GL static linking only.
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#if defined(OSG_GL_LIBRARY_STATIC)
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using namespace osg;
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namespace {
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typedef void (*GLProc)(void);
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typedef std::map<std::string, GLProc> GLProcAddressMap;
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static bool sProcAddressInitialized = false;
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static GLProcAddressMap sProcAddressMap;
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2010-05-19 21:40:46 +08:00
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#define ADD_FUNCTION(FunctionName) sProcAddressMap[#FunctionName] = reinterpret_cast<GLProc>(&FunctionName);
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void initGLES2ProcAddress()
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{
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ADD_FUNCTION(glActiveTexture)
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ADD_FUNCTION(glAttachShader)
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ADD_FUNCTION(glBindAttribLocation)
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ADD_FUNCTION(glBindBuffer)
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ADD_FUNCTION(glBindFramebuffer)
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ADD_FUNCTION(glBindRenderbuffer)
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ADD_FUNCTION(glBindTexture)
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ADD_FUNCTION(glBlendColor)
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ADD_FUNCTION(glBlendEquation)
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ADD_FUNCTION(glBlendEquationSeparate)
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ADD_FUNCTION(glBlendFunc)
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ADD_FUNCTION(glBlendFuncSeparate)
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ADD_FUNCTION(glBufferData)
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ADD_FUNCTION(glBufferSubData)
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ADD_FUNCTION(glCheckFramebufferStatus)
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ADD_FUNCTION(glClear)
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ADD_FUNCTION(glClearColor)
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ADD_FUNCTION(glClearDepthf)
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ADD_FUNCTION(glClearStencil)
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ADD_FUNCTION(glColorMask)
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ADD_FUNCTION(glCompileShader)
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ADD_FUNCTION(glCompressedTexImage2D)
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ADD_FUNCTION(glCompressedTexSubImage2D)
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ADD_FUNCTION(glCopyTexImage2D)
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ADD_FUNCTION(glCopyTexSubImage2D)
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ADD_FUNCTION(glCreateProgram)
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ADD_FUNCTION(glCreateShader)
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ADD_FUNCTION(glCullFace)
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ADD_FUNCTION(glDeleteBuffers)
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ADD_FUNCTION(glDeleteFramebuffers)
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ADD_FUNCTION(glDeleteProgram)
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ADD_FUNCTION(glDeleteRenderbuffers)
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ADD_FUNCTION(glDeleteShader)
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ADD_FUNCTION(glDeleteTextures)
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ADD_FUNCTION(glDepthFunc)
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ADD_FUNCTION(glDepthMask)
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ADD_FUNCTION(glDepthRangef)
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ADD_FUNCTION(glDetachShader)
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ADD_FUNCTION(glDisable)
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ADD_FUNCTION(glDisableVertexAttribArray)
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ADD_FUNCTION(glDrawArrays)
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ADD_FUNCTION(glDrawElements)
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ADD_FUNCTION(glEnable)
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ADD_FUNCTION(glEnableVertexAttribArray)
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ADD_FUNCTION(glFinish)
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ADD_FUNCTION(glFlush)
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ADD_FUNCTION(glFramebufferRenderbuffer)
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ADD_FUNCTION(glFramebufferTexture2D)
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ADD_FUNCTION(glFrontFace)
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ADD_FUNCTION(glGenBuffers)
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ADD_FUNCTION(glGenerateMipmap)
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ADD_FUNCTION(glGenFramebuffers)
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ADD_FUNCTION(glGenRenderbuffers)
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ADD_FUNCTION(glGenTextures)
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ADD_FUNCTION(glGetActiveAttrib)
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ADD_FUNCTION(glGetActiveUniform)
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ADD_FUNCTION(glGetAttachedShaders)
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ADD_FUNCTION(glGetAttribLocation)
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ADD_FUNCTION(glGetBooleanv)
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ADD_FUNCTION(glGetBufferParameteriv)
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ADD_FUNCTION(glGetError)
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ADD_FUNCTION(glGetFloatv)
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ADD_FUNCTION(glGetFramebufferAttachmentParameteriv)
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ADD_FUNCTION(glGetIntegerv)
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ADD_FUNCTION(glGetProgramiv)
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ADD_FUNCTION(glGetProgramInfoLog)
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ADD_FUNCTION(glGetRenderbufferParameteriv)
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ADD_FUNCTION(glGetShaderiv)
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ADD_FUNCTION(glGetShaderInfoLog)
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ADD_FUNCTION(glGetShaderPrecisionFormat)
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ADD_FUNCTION(glGetShaderSource)
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ADD_FUNCTION(glGetString)
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ADD_FUNCTION(glGetTexParameterfv)
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ADD_FUNCTION(glGetTexParameteriv)
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ADD_FUNCTION(glGetUniformfv)
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ADD_FUNCTION(glGetUniformiv)
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ADD_FUNCTION(glGetUniformLocation)
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ADD_FUNCTION(glGetVertexAttribfv)
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ADD_FUNCTION(glGetVertexAttribiv)
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ADD_FUNCTION(glGetVertexAttribPointerv)
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ADD_FUNCTION(glHint)
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ADD_FUNCTION(glIsBuffer)
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ADD_FUNCTION(glIsEnabled)
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ADD_FUNCTION(glIsFramebuffer)
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ADD_FUNCTION(glIsProgram)
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ADD_FUNCTION(glIsRenderbuffer)
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ADD_FUNCTION(glIsShader)
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ADD_FUNCTION(glIsTexture)
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ADD_FUNCTION(glLineWidth)
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ADD_FUNCTION(glLinkProgram)
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ADD_FUNCTION(glPixelStorei)
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ADD_FUNCTION(glPolygonOffset)
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ADD_FUNCTION(glReadPixels)
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ADD_FUNCTION(glReleaseShaderCompiler)
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ADD_FUNCTION(glRenderbufferStorage)
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ADD_FUNCTION(glSampleCoverage)
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ADD_FUNCTION(glScissor)
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ADD_FUNCTION(glShaderBinary)
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ADD_FUNCTION(glShaderSource)
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ADD_FUNCTION(glStencilFunc)
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ADD_FUNCTION(glStencilFuncSeparate)
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ADD_FUNCTION(glStencilMask)
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ADD_FUNCTION(glStencilMaskSeparate)
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ADD_FUNCTION(glStencilOp)
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ADD_FUNCTION(glStencilOpSeparate)
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ADD_FUNCTION(glTexImage2D)
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ADD_FUNCTION(glTexParameterf)
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ADD_FUNCTION(glTexParameterfv)
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ADD_FUNCTION(glTexParameteri)
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ADD_FUNCTION(glTexParameteriv)
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ADD_FUNCTION(glTexSubImage2D)
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ADD_FUNCTION(glUniform1f)
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ADD_FUNCTION(glUniform1fv)
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ADD_FUNCTION(glUniform1i)
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ADD_FUNCTION(glUniform1iv)
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ADD_FUNCTION(glUniform2f)
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ADD_FUNCTION(glUniform2fv)
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ADD_FUNCTION(glUniform2i)
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ADD_FUNCTION(glUniform2iv)
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ADD_FUNCTION(glUniform3f)
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ADD_FUNCTION(glUniform3fv)
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ADD_FUNCTION(glUniform3i)
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ADD_FUNCTION(glUniform3iv)
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ADD_FUNCTION(glUniform4f)
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ADD_FUNCTION(glUniform4fv)
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ADD_FUNCTION(glUniform4i)
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ADD_FUNCTION(glUniform4iv)
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ADD_FUNCTION(glUniformMatrix2fv)
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ADD_FUNCTION(glUniformMatrix3fv)
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ADD_FUNCTION(glUniformMatrix4fv)
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ADD_FUNCTION(glUseProgram)
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ADD_FUNCTION(glValidateProgram)
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ADD_FUNCTION(glVertexAttrib1f)
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ADD_FUNCTION(glVertexAttrib1fv)
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ADD_FUNCTION(glVertexAttrib2f)
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ADD_FUNCTION(glVertexAttrib2fv)
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ADD_FUNCTION(glVertexAttrib3f)
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ADD_FUNCTION(glVertexAttrib3fv)
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ADD_FUNCTION(glVertexAttrib4f)
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ADD_FUNCTION(glVertexAttrib4fv)
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ADD_FUNCTION(glVertexAttribPointer)
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ADD_FUNCTION(glViewport)
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2010-05-15 03:47:50 +08:00
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}
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void initProcAddress()
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{
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#if defined(OSG_GLES2_AVAILABLE)
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initGLES2ProcAddress();
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#else
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OSG_NOTICE << "initProcAddress() not implemented for static GL lib yet." << std::endl;
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#endif
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}
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} // namespace
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void* GLStaticLibrary::getProcAddress(const char* procName)
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{
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// TODO(alokp): Add a mutex around sProcAddressInitialized.
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if (!sProcAddressInitialized)
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{
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initProcAddress();
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sProcAddressInitialized = true;
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}
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GLProcAddressMap::const_iterator iter = sProcAddressMap.find(procName);
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return iter != sProcAddressMap.end() ? reinterpret_cast<void*>(iter->second) : 0;
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}
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#endif // OSG_GLES2_LIBRARY_STATIC
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