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35962ab099e8bc0fadca6bb96b5da38ab7c80792
OpenSceneGraph/src/osg/GL2Extensions.cpp
Robert Osfield 26c57f125d Warning fixes
2008-12-17 13:14:17 +00:00

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
* Copyright (C) 2003-2005 3Dlabs Inc. Ltd.
* Copyright (C) 2004-2005 Nathan Cournia
* Copyright (C) 2008 Zebra Imaging
*
* This application is open source and may be redistributed and/or modified
* freely and without restriction, both in commericial and non commericial
* applications, as long as this copyright notice is maintained.
*
* This application 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.
*
*/
/* file: src/osg/GL2Extensions.cpp
* author: Mike Weiblen 2008-01-19
*/
#include <osg/Notify>
#include <osg/buffered_value>
#include <osg/ref_ptr>
#include <osg/GL2Extensions>
#include <osg/GLExtensions>
#include <osg/Math>
using namespace osg;
///////////////////////////////////////////////////////////////////////////
// Extension function pointers for OpenGL v2.x
GL2Extensions::GL2Extensions(unsigned int contextID)
{
setupGL2Extensions(contextID);
}
GL2Extensions::GL2Extensions(const GL2Extensions& rhs) : osg::Referenced()
{
_glVersion = rhs._glVersion;
_glslLanguageVersion = rhs._glslLanguageVersion;
_isShaderObjectsSupported = rhs._isShaderObjectsSupported;
_isVertexShaderSupported = rhs._isVertexShaderSupported;
_isFragmentShaderSupported = rhs._isFragmentShaderSupported;
_isLanguage100Supported = rhs._isLanguage100Supported;
_isGeometryShader4Supported = rhs._isGeometryShader4Supported;
_isGpuShader4Supported = rhs._isGpuShader4Supported;
_glBlendEquationSeparate = rhs._glBlendEquationSeparate;
_glDrawBuffers = rhs._glDrawBuffers;
_glStencilOpSeparate = rhs._glStencilOpSeparate;
_glStencilFuncSeparate = rhs._glStencilFuncSeparate;
_glStencilMaskSeparate = rhs._glStencilMaskSeparate;
_glAttachShader = rhs._glAttachShader;
_glBindAttribLocation = rhs._glBindAttribLocation;
_glCompileShader = rhs._glCompileShader;
_glCreateProgram = rhs._glCreateProgram;
_glCreateShader = rhs._glCreateShader;
_glDeleteProgram = rhs._glDeleteProgram;
_glDeleteShader = rhs._glDeleteShader;
_glDetachShader = rhs._glDetachShader;
_glDisableVertexAttribArray = rhs._glDisableVertexAttribArray;
_glEnableVertexAttribArray = rhs._glEnableVertexAttribArray;
_glGetActiveAttrib = rhs._glGetActiveAttrib;
_glGetActiveUniform = rhs._glGetActiveUniform;
_glGetAttachedShaders = rhs._glGetAttachedShaders;
_glGetAttribLocation = rhs._glGetAttribLocation;
_glGetProgramiv = rhs._glGetProgramiv;
_glGetProgramInfoLog = rhs._glGetProgramInfoLog;
_glGetShaderiv = rhs._glGetShaderiv;
_glGetShaderInfoLog = rhs._glGetShaderInfoLog;
_glGetShaderSource = rhs._glGetShaderSource;
_glGetUniformLocation = rhs._glGetUniformLocation;
_glGetUniformfv = rhs._glGetUniformfv;
_glGetUniformiv = rhs._glGetUniformiv;
_glGetVertexAttribdv = rhs._glGetVertexAttribdv;
_glGetVertexAttribfv = rhs._glGetVertexAttribfv;
_glGetVertexAttribiv = rhs._glGetVertexAttribiv;
_glGetVertexAttribPointerv = rhs._glGetVertexAttribPointerv;
_glIsProgram = rhs._glIsProgram;
_glIsShader = rhs._glIsShader;
_glLinkProgram = rhs._glLinkProgram;
_glShaderSource = rhs._glShaderSource;
_glUseProgram = rhs._glUseProgram;
_glUniform1f = rhs._glUniform1f;
_glUniform2f = rhs._glUniform2f;
_glUniform3f = rhs._glUniform3f;
_glUniform4f = rhs._glUniform4f;
_glUniform1i = rhs._glUniform1i;
_glUniform2i = rhs._glUniform2i;
_glUniform3i = rhs._glUniform3i;
_glUniform4i = rhs._glUniform4i;
_glUniform1fv = rhs._glUniform1fv;
_glUniform2fv = rhs._glUniform2fv;
_glUniform3fv = rhs._glUniform3fv;
_glUniform4fv = rhs._glUniform4fv;
_glUniform1iv = rhs._glUniform1iv;
_glUniform2iv = rhs._glUniform2iv;
_glUniform3iv = rhs._glUniform3iv;
_glUniform4iv = rhs._glUniform4iv;
_glUniformMatrix2fv = rhs._glUniformMatrix2fv;
_glUniformMatrix3fv = rhs._glUniformMatrix3fv;
_glUniformMatrix4fv = rhs._glUniformMatrix4fv;
_glValidateProgram = rhs._glValidateProgram;
_glVertexAttrib1d = rhs._glVertexAttrib1d;
_glVertexAttrib1dv = rhs._glVertexAttrib1dv;
_glVertexAttrib1f = rhs._glVertexAttrib1f;
_glVertexAttrib1fv = rhs._glVertexAttrib1fv;
_glVertexAttrib1s = rhs._glVertexAttrib1s;
_glVertexAttrib1sv = rhs._glVertexAttrib1sv;
_glVertexAttrib2d = rhs._glVertexAttrib2d;
_glVertexAttrib2dv = rhs._glVertexAttrib2dv;
_glVertexAttrib2f = rhs._glVertexAttrib2f;
_glVertexAttrib2fv = rhs._glVertexAttrib2fv;
_glVertexAttrib2s = rhs._glVertexAttrib2s;
_glVertexAttrib2sv = rhs._glVertexAttrib2sv;
_glVertexAttrib3d = rhs._glVertexAttrib3d;
_glVertexAttrib3dv = rhs._glVertexAttrib3dv;
_glVertexAttrib3f = rhs._glVertexAttrib3f;
_glVertexAttrib3fv = rhs._glVertexAttrib3fv;
_glVertexAttrib3s = rhs._glVertexAttrib3s;
_glVertexAttrib3sv = rhs._glVertexAttrib3sv;
_glVertexAttrib4Nbv = rhs._glVertexAttrib4Nbv;
_glVertexAttrib4Niv = rhs._glVertexAttrib4Niv;
_glVertexAttrib4Nsv = rhs._glVertexAttrib4Nsv;
_glVertexAttrib4Nub = rhs._glVertexAttrib4Nub;
_glVertexAttrib4Nubv = rhs._glVertexAttrib4Nubv;
_glVertexAttrib4Nuiv = rhs._glVertexAttrib4Nuiv;
_glVertexAttrib4Nusv = rhs._glVertexAttrib4Nusv;
_glVertexAttrib4bv = rhs._glVertexAttrib4bv;
_glVertexAttrib4d = rhs._glVertexAttrib4d;
_glVertexAttrib4dv = rhs._glVertexAttrib4dv;
_glVertexAttrib4f = rhs._glVertexAttrib4f;
_glVertexAttrib4fv = rhs._glVertexAttrib4fv;
_glVertexAttrib4iv = rhs._glVertexAttrib4iv;
_glVertexAttrib4s = rhs._glVertexAttrib4s;
_glVertexAttrib4sv = rhs._glVertexAttrib4sv;
_glVertexAttrib4ubv = rhs._glVertexAttrib4ubv;
_glVertexAttrib4uiv = rhs._glVertexAttrib4uiv;
_glVertexAttrib4usv = rhs._glVertexAttrib4usv;
_glVertexAttribPointer = rhs._glVertexAttribPointer;
_glGetInfoLogARB = rhs._glGetInfoLogARB;
_glGetObjectParameterivARB = rhs._glGetObjectParameterivARB;
_glDeleteObjectARB = rhs._glDeleteObjectARB;
_glGetHandleARB = rhs._glGetHandleARB;
// GL 2.1
_glUniformMatrix2x3fv = rhs._glUniformMatrix2x3fv;
_glUniformMatrix3x2fv = rhs._glUniformMatrix3x2fv;
_glUniformMatrix2x4fv = rhs._glUniformMatrix2x4fv;
_glUniformMatrix4x2fv = rhs._glUniformMatrix4x2fv;
_glUniformMatrix3x4fv = rhs._glUniformMatrix3x4fv;
_glUniformMatrix4x3fv = rhs._glUniformMatrix4x3fv;
// EXT_geometry_shader4
_glProgramParameteri = rhs._glProgramParameteri;
_glFramebufferTexture = rhs._glFramebufferTexture;
_glFramebufferTextureLayer = rhs._glFramebufferTextureLayer;
_glFramebufferTextureFace = rhs._glFramebufferTextureFace;
// EXT_gpu_shader4
_glGetUniformuiv = rhs._glGetUniformuiv;
_glBindFragDataLocation = rhs._glBindFragDataLocation;
_glGetFragDataLocation = rhs._glGetFragDataLocation;
_glUniform1ui = rhs._glUniform1ui;
_glUniform2ui = rhs._glUniform2ui;
_glUniform3ui = rhs._glUniform3ui;
_glUniform4ui = rhs._glUniform4ui;
_glUniform1uiv = rhs._glUniform1uiv;
_glUniform2uiv = rhs._glUniform2uiv;
_glUniform3uiv = rhs._glUniform3uiv;
_glUniform4uiv = rhs._glUniform4uiv;
}
void GL2Extensions::lowestCommonDenominator(const GL2Extensions& rhs)
{
if (rhs._glVersion < _glVersion) _glVersion = rhs._glVersion;
if (rhs._glslLanguageVersion < _glslLanguageVersion)
_glslLanguageVersion = rhs._glslLanguageVersion;
if (!rhs._isShaderObjectsSupported) _isShaderObjectsSupported = false;
if (!rhs._isVertexShaderSupported) _isVertexShaderSupported = false;
if (!rhs._isFragmentShaderSupported) _isFragmentShaderSupported = false;
if (!rhs._isLanguage100Supported) _isLanguage100Supported = false;
if (!rhs._isGeometryShader4Supported) _isGeometryShader4Supported = false;
if (!rhs._isGpuShader4Supported) _isGpuShader4Supported = false;
if (!rhs._glBlendEquationSeparate) _glBlendEquationSeparate = 0;
if (!rhs._glDrawBuffers) _glDrawBuffers = 0;
if (!rhs._glStencilOpSeparate) _glStencilOpSeparate = 0;
if (!rhs._glStencilFuncSeparate) _glStencilFuncSeparate = 0;
if (!rhs._glStencilMaskSeparate) _glStencilMaskSeparate = 0;
if (!rhs._glAttachShader) _glAttachShader = 0;
if (!rhs._glBindAttribLocation) _glBindAttribLocation = 0;
if (!rhs._glCompileShader) _glCompileShader = 0;
if (!rhs._glCreateProgram) _glCreateProgram = 0;
if (!rhs._glCreateShader) _glCreateShader = 0;
if (!rhs._glDeleteProgram) _glDeleteProgram = 0;
if (!rhs._glDeleteShader) _glDeleteShader = 0;
if (!rhs._glDetachShader) _glDetachShader = 0;
if (!rhs._glDisableVertexAttribArray) _glDisableVertexAttribArray = 0;
if (!rhs._glEnableVertexAttribArray) _glEnableVertexAttribArray = 0;
if (!rhs._glGetActiveAttrib) _glGetActiveAttrib = 0;
if (!rhs._glGetActiveUniform) _glGetActiveUniform = 0;
if (!rhs._glGetAttachedShaders) _glGetAttachedShaders = 0;
if (!rhs._glGetAttribLocation) _glGetAttribLocation = 0;
if (!rhs._glGetProgramiv) _glGetProgramiv = 0;
if (!rhs._glGetProgramInfoLog) _glGetProgramInfoLog = 0;
if (!rhs._glGetShaderiv) _glGetShaderiv = 0;
if (!rhs._glGetShaderInfoLog) _glGetShaderInfoLog = 0;
if (!rhs._glGetShaderSource) _glGetShaderSource = 0;
if (!rhs._glGetUniformLocation) _glGetUniformLocation = 0;
if (!rhs._glGetUniformfv) _glGetUniformfv = 0;
if (!rhs._glGetUniformiv) _glGetUniformiv = 0;
if (!rhs._glGetVertexAttribdv) _glGetVertexAttribdv = 0;
if (!rhs._glGetVertexAttribfv) _glGetVertexAttribfv = 0;
if (!rhs._glGetVertexAttribiv) _glGetVertexAttribiv = 0;
if (!rhs._glGetVertexAttribPointerv) _glGetVertexAttribPointerv = 0;
if (!rhs._glIsProgram) _glIsProgram = 0;
if (!rhs._glIsShader) _glIsShader = 0;
if (!rhs._glLinkProgram) _glLinkProgram = 0;
if (!rhs._glShaderSource) _glShaderSource = 0;
if (!rhs._glUseProgram) _glUseProgram = 0;
if (!rhs._glUniform1f) _glUniform1f = 0;
if (!rhs._glUniform2f) _glUniform2f = 0;
if (!rhs._glUniform3f) _glUniform3f = 0;
if (!rhs._glUniform4f) _glUniform4f = 0;
if (!rhs._glUniform1i) _glUniform1i = 0;
if (!rhs._glUniform2i) _glUniform2i = 0;
if (!rhs._glUniform3i) _glUniform3i = 0;
if (!rhs._glUniform4i) _glUniform4i = 0;
if (!rhs._glUniform1fv) _glUniform1fv = 0;
if (!rhs._glUniform2fv) _glUniform2fv = 0;
if (!rhs._glUniform3fv) _glUniform3fv = 0;
if (!rhs._glUniform4fv) _glUniform4fv = 0;
if (!rhs._glUniform1iv) _glUniform1iv = 0;
if (!rhs._glUniform2iv) _glUniform2iv = 0;
if (!rhs._glUniform3iv) _glUniform3iv = 0;
if (!rhs._glUniform4iv) _glUniform4iv = 0;
if (!rhs._glUniformMatrix2fv) _glUniformMatrix2fv = 0;
if (!rhs._glUniformMatrix3fv) _glUniformMatrix3fv = 0;
if (!rhs._glUniformMatrix4fv) _glUniformMatrix4fv = 0;
if (!rhs._glValidateProgram) _glValidateProgram = 0;
if (!rhs._glVertexAttrib1d) _glVertexAttrib1d = 0;
if (!rhs._glVertexAttrib1dv) _glVertexAttrib1dv = 0;
if (!rhs._glVertexAttrib1f) _glVertexAttrib1f = 0;
if (!rhs._glVertexAttrib1fv) _glVertexAttrib1fv = 0;
if (!rhs._glVertexAttrib1s) _glVertexAttrib1s = 0;
if (!rhs._glVertexAttrib1sv) _glVertexAttrib1sv = 0;
if (!rhs._glVertexAttrib2d) _glVertexAttrib2d = 0;
if (!rhs._glVertexAttrib2dv) _glVertexAttrib2dv = 0;
if (!rhs._glVertexAttrib2f) _glVertexAttrib2f = 0;
if (!rhs._glVertexAttrib2fv) _glVertexAttrib2fv = 0;
if (!rhs._glVertexAttrib2s) _glVertexAttrib2s = 0;
if (!rhs._glVertexAttrib2sv) _glVertexAttrib2sv = 0;
if (!rhs._glVertexAttrib3d) _glVertexAttrib3d = 0;
if (!rhs._glVertexAttrib3dv) _glVertexAttrib3dv = 0;
if (!rhs._glVertexAttrib3f) _glVertexAttrib3f = 0;
if (!rhs._glVertexAttrib3fv) _glVertexAttrib3fv = 0;
if (!rhs._glVertexAttrib3s) _glVertexAttrib3s = 0;
if (!rhs._glVertexAttrib3sv) _glVertexAttrib3sv = 0;
if (!rhs._glVertexAttrib4Nbv) _glVertexAttrib4Nbv = 0;
if (!rhs._glVertexAttrib4Niv) _glVertexAttrib4Niv = 0;
if (!rhs._glVertexAttrib4Nsv) _glVertexAttrib4Nsv = 0;
if (!rhs._glVertexAttrib4Nub) _glVertexAttrib4Nub = 0;
if (!rhs._glVertexAttrib4Nubv) _glVertexAttrib4Nubv = 0;
if (!rhs._glVertexAttrib4Nuiv) _glVertexAttrib4Nuiv = 0;
if (!rhs._glVertexAttrib4Nusv) _glVertexAttrib4Nusv = 0;
if (!rhs._glVertexAttrib4bv) _glVertexAttrib4bv = 0;
if (!rhs._glVertexAttrib4d) _glVertexAttrib4d = 0;
if (!rhs._glVertexAttrib4dv) _glVertexAttrib4dv = 0;
if (!rhs._glVertexAttrib4f) _glVertexAttrib4f = 0;
if (!rhs._glVertexAttrib4fv) _glVertexAttrib4fv = 0;
if (!rhs._glVertexAttrib4iv) _glVertexAttrib4iv = 0;
if (!rhs._glVertexAttrib4s) _glVertexAttrib4s = 0;
if (!rhs._glVertexAttrib4sv) _glVertexAttrib4sv = 0;
if (!rhs._glVertexAttrib4ubv) _glVertexAttrib4ubv = 0;
if (!rhs._glVertexAttrib4uiv) _glVertexAttrib4uiv = 0;
if (!rhs._glVertexAttrib4usv) _glVertexAttrib4usv = 0;
if (!rhs._glVertexAttribPointer) _glVertexAttribPointer = 0;
if (!rhs._glGetInfoLogARB) _glGetInfoLogARB = 0;
if (!rhs._glGetObjectParameterivARB) _glGetObjectParameterivARB = 0;
if (!rhs._glDeleteObjectARB) _glDeleteObjectARB = 0;
if (!rhs._glGetHandleARB) _glGetHandleARB = 0;
// GL 2.1
if (!rhs._glUniformMatrix2x3fv) _glUniformMatrix2x3fv = 0;
if (!rhs._glUniformMatrix3x2fv) _glUniformMatrix3x2fv = 0;
if (!rhs._glUniformMatrix2x4fv) _glUniformMatrix2x4fv = 0;
if (!rhs._glUniformMatrix4x2fv) _glUniformMatrix4x2fv = 0;
if (!rhs._glUniformMatrix3x4fv) _glUniformMatrix3x4fv = 0;
if (!rhs._glUniformMatrix4x3fv) _glUniformMatrix4x3fv = 0;
// EXT_geometry_shader4
if (!rhs._glProgramParameteri) _glProgramParameteri = 0;
if (!rhs._glFramebufferTexture) _glFramebufferTexture = 0;
if (!rhs._glFramebufferTextureLayer) _glFramebufferTextureLayer = 0;
if (!rhs._glFramebufferTextureFace) _glFramebufferTextureFace = 0;
// EXT_gpu_shader4
if (!rhs._glGetUniformuiv) _glGetUniformuiv = 0;
if (!rhs._glBindFragDataLocation) _glBindFragDataLocation = 0;
if (!rhs._glGetFragDataLocation) _glGetFragDataLocation = 0;
if (!rhs._glUniform1ui) _glUniform1ui = 0;
if (!rhs._glUniform2ui) _glUniform2ui = 0;
if (!rhs._glUniform3ui) _glUniform3ui = 0;
if (!rhs._glUniform4ui) _glUniform4ui = 0;
if (!rhs._glUniform1uiv) _glUniform1uiv = 0;
if (!rhs._glUniform2uiv) _glUniform2uiv = 0;
if (!rhs._glUniform3uiv) _glUniform3uiv = 0;
if (!rhs._glUniform4uiv) _glUniform4uiv = 0;
}
void GL2Extensions::setupGL2Extensions(unsigned int contextID)
{
const char* version = (const char*) glGetString( GL_VERSION );
if (!version)
{
osg::notify(osg::FATAL)<<"Error: OpenGL version test failed, requires valid graphics context."<<std::endl;
return;
}
_glVersion = asciiToFloat( version );
_glslLanguageVersion = 0.0f;
_isShaderObjectsSupported = osg::isGLExtensionSupported(contextID,"GL_ARB_shader_objects");
_isVertexShaderSupported = osg::isGLExtensionSupported(contextID,"GL_ARB_vertex_shader");
_isFragmentShaderSupported = osg::isGLExtensionSupported(contextID,"GL_ARB_fragment_shader");
_isLanguage100Supported = osg::isGLExtensionSupported(contextID,"GL_ARB_shading_language_100");
_isGeometryShader4Supported = osg::isGLExtensionSupported(contextID,"GL_EXT_geometry_shader4");
_isGpuShader4Supported = osg::isGLExtensionSupported(contextID,"GL_EXT_gpu_shader4");
if( isGlslSupported() )
{
// If glGetString raises an error, assume initial release "1.00"
while(glGetError() != GL_NO_ERROR) {} // reset error flag
const char* langVerStr = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
if( (glGetError() == GL_NO_ERROR) && langVerStr )
_glslLanguageVersion = asciiToFloat( langVerStr );
else
_glslLanguageVersion = 1.0f;
}
osg::notify(osg::INFO)
<< "glVersion=" << getGlVersion() << ", "
<< "isGlslSupported=" << (isGlslSupported() ? "YES" : "NO") << ", "
<< "glslLanguageVersion=" << getLanguageVersion()
<< std::endl;
setGLExtensionFuncPtr(_glBlendEquationSeparate, "glBlendEquationSeparate");
setGLExtensionFuncPtr(_glDrawBuffers, "glDrawBuffers", "glDrawBuffersARB");
setGLExtensionFuncPtr(_glStencilOpSeparate, "glStencilOpSeparate");
setGLExtensionFuncPtr(_glStencilFuncSeparate, "glStencilFuncSeparate");
setGLExtensionFuncPtr(_glStencilMaskSeparate, "glStencilMaskSeparate");
setGLExtensionFuncPtr(_glAttachShader, "glAttachShader", "glAttachObjectARB");
setGLExtensionFuncPtr(_glBindAttribLocation, "glBindAttribLocation", "glBindAttribLocationARB");
setGLExtensionFuncPtr(_glCompileShader, "glCompileShader", "glCompileShaderARB");
setGLExtensionFuncPtr(_glCreateProgram, "glCreateProgram", "glCreateProgramObjectARB");
setGLExtensionFuncPtr(_glCreateShader, "glCreateShader", "glCreateShaderObjectARB");
setGLExtensionFuncPtr(_glDeleteProgram, "glDeleteProgram");
setGLExtensionFuncPtr(_glDeleteShader, "glDeleteShader");
setGLExtensionFuncPtr(_glDetachShader, "glDetachShader", "glDetachObjectARB");
setGLExtensionFuncPtr(_glDisableVertexAttribArray, "glDisableVertexAttribArray");
setGLExtensionFuncPtr(_glEnableVertexAttribArray, "glEnableVertexAttribArray");
setGLExtensionFuncPtr(_glGetActiveAttrib, "glGetActiveAttrib", "glGetActiveAttribARB");
setGLExtensionFuncPtr(_glGetActiveUniform, "glGetActiveUniform", "glGetActiveUniformARB");
setGLExtensionFuncPtr(_glGetAttachedShaders, "glGetAttachedShaders", "glGetAttachedObjectsARB");
setGLExtensionFuncPtr(_glGetAttribLocation, "glGetAttribLocation", "glGetAttribLocationARB");
setGLExtensionFuncPtr(_glGetProgramiv, "glGetProgramiv");
setGLExtensionFuncPtr(_glGetProgramInfoLog, "glGetProgramInfoLog");
setGLExtensionFuncPtr(_glGetShaderiv, "glGetShaderiv");
setGLExtensionFuncPtr(_glGetShaderInfoLog, "glGetShaderInfoLog");
setGLExtensionFuncPtr(_glGetShaderSource, "glGetShaderSource", "glGetShaderSourceARB");
setGLExtensionFuncPtr(_glGetUniformLocation, "glGetUniformLocation", "glGetUniformLocationARB");
setGLExtensionFuncPtr(_glGetUniformfv, "glGetUniformfv", "glGetUniformfvARB");
setGLExtensionFuncPtr(_glGetUniformiv, "glGetUniformiv", "glGetUniformivARB");
setGLExtensionFuncPtr(_glGetVertexAttribdv, "glGetVertexAttribdv");
setGLExtensionFuncPtr(_glGetVertexAttribfv, "glGetVertexAttribfv");
setGLExtensionFuncPtr(_glGetVertexAttribiv, "glGetVertexAttribiv");
setGLExtensionFuncPtr(_glGetVertexAttribPointerv, "glGetVertexAttribPointerv");
setGLExtensionFuncPtr(_glIsProgram, "glIsProgram");
setGLExtensionFuncPtr(_glIsShader, "glIsShader");
setGLExtensionFuncPtr(_glLinkProgram, "glLinkProgram", "glLinkProgramARB");
setGLExtensionFuncPtr(_glShaderSource, "glShaderSource", "glShaderSourceARB");
setGLExtensionFuncPtr(_glUseProgram, "glUseProgram", "glUseProgramObjectARB");
setGLExtensionFuncPtr(_glUniform1f, "glUniform1f", "glUniform1fARB");
setGLExtensionFuncPtr(_glUniform2f, "glUniform2f", "glUniform2fARB");
setGLExtensionFuncPtr(_glUniform3f, "glUniform3f", "glUniform3fARB");
setGLExtensionFuncPtr(_glUniform4f, "glUniform4f", "glUniform4fARB");
setGLExtensionFuncPtr(_glUniform1i, "glUniform1i", "glUniform1iARB");
setGLExtensionFuncPtr(_glUniform2i, "glUniform2i", "glUniform2iARB");
setGLExtensionFuncPtr(_glUniform3i, "glUniform3i", "glUniform3iARB");
setGLExtensionFuncPtr(_glUniform4i, "glUniform4i", "glUniform4iARB");
setGLExtensionFuncPtr(_glUniform1fv, "glUniform1fv", "glUniform1fvARB");
setGLExtensionFuncPtr(_glUniform2fv, "glUniform2fv", "glUniform2fvARB");
setGLExtensionFuncPtr(_glUniform3fv, "glUniform3fv", "glUniform3fvARB");
setGLExtensionFuncPtr(_glUniform4fv, "glUniform4fv", "glUniform4fvARB");
setGLExtensionFuncPtr(_glUniform1iv, "glUniform1iv", "glUniform1ivARB");
setGLExtensionFuncPtr(_glUniform2iv, "glUniform2iv", "glUniform2ivARB");
setGLExtensionFuncPtr(_glUniform3iv, "glUniform3iv", "glUniform3ivARB");
setGLExtensionFuncPtr(_glUniform4iv, "glUniform4iv", "glUniform4ivARB");
setGLExtensionFuncPtr(_glUniformMatrix2fv, "glUniformMatrix2fv", "glUniformMatrix2fvARB");
setGLExtensionFuncPtr(_glUniformMatrix3fv, "glUniformMatrix3fv", "glUniformMatrix3fvARB");
setGLExtensionFuncPtr(_glUniformMatrix4fv, "glUniformMatrix4fv", "glUniformMatrix4fvARB");
setGLExtensionFuncPtr(_glValidateProgram, "glValidateProgram", "glValidateProgramARB");
setGLExtensionFuncPtr(_glVertexAttrib1d, "glVertexAttrib1d");
setGLExtensionFuncPtr(_glVertexAttrib1dv, "glVertexAttrib1dv");
setGLExtensionFuncPtr(_glVertexAttrib1f, "glVertexAttrib1f");
setGLExtensionFuncPtr(_glVertexAttrib1fv, "glVertexAttrib1fv");
setGLExtensionFuncPtr(_glVertexAttrib1s, "glVertexAttrib1s");
setGLExtensionFuncPtr(_glVertexAttrib1sv, "glVertexAttrib1sv");
setGLExtensionFuncPtr(_glVertexAttrib2d, "glVertexAttrib2d");
setGLExtensionFuncPtr(_glVertexAttrib2dv, "glVertexAttrib2dv");
setGLExtensionFuncPtr(_glVertexAttrib2f, "glVertexAttrib2f");
setGLExtensionFuncPtr(_glVertexAttrib2fv, "glVertexAttrib2fv");
setGLExtensionFuncPtr(_glVertexAttrib2s, "glVertexAttrib2s");
setGLExtensionFuncPtr(_glVertexAttrib2sv, "glVertexAttrib2sv");
setGLExtensionFuncPtr(_glVertexAttrib3d, "glVertexAttrib3d");
setGLExtensionFuncPtr(_glVertexAttrib3dv, "glVertexAttrib3dv");
setGLExtensionFuncPtr(_glVertexAttrib3f, "glVertexAttrib3f");
setGLExtensionFuncPtr(_glVertexAttrib3fv, "glVertexAttrib3fv");
setGLExtensionFuncPtr(_glVertexAttrib3s, "glVertexAttrib3s");
setGLExtensionFuncPtr(_glVertexAttrib3sv, "glVertexAttrib3sv");
setGLExtensionFuncPtr(_glVertexAttrib4Nbv, "glVertexAttrib4Nbv");
setGLExtensionFuncPtr(_glVertexAttrib4Niv, "glVertexAttrib4Niv");
setGLExtensionFuncPtr(_glVertexAttrib4Nsv, "glVertexAttrib4Nsv");
setGLExtensionFuncPtr(_glVertexAttrib4Nub, "glVertexAttrib4Nub");
setGLExtensionFuncPtr(_glVertexAttrib4Nubv, "glVertexAttrib4Nubv");
setGLExtensionFuncPtr(_glVertexAttrib4Nuiv, "glVertexAttrib4Nuiv");
setGLExtensionFuncPtr(_glVertexAttrib4Nusv, "glVertexAttrib4Nusv");
setGLExtensionFuncPtr(_glVertexAttrib4bv, "glVertexAttrib4bv");
setGLExtensionFuncPtr(_glVertexAttrib4d, "glVertexAttrib4d");
setGLExtensionFuncPtr(_glVertexAttrib4dv, "glVertexAttrib4dv");
setGLExtensionFuncPtr(_glVertexAttrib4f, "glVertexAttrib4f");
setGLExtensionFuncPtr(_glVertexAttrib4fv, "glVertexAttrib4fv");
setGLExtensionFuncPtr(_glVertexAttrib4iv, "glVertexAttrib4iv");
setGLExtensionFuncPtr(_glVertexAttrib4s, "glVertexAttrib4s");
setGLExtensionFuncPtr(_glVertexAttrib4sv, "glVertexAttrib4sv");
setGLExtensionFuncPtr(_glVertexAttrib4ubv, "glVertexAttrib4ubv");
setGLExtensionFuncPtr(_glVertexAttrib4uiv, "glVertexAttrib4uiv");
setGLExtensionFuncPtr(_glVertexAttrib4usv, "glVertexAttrib4usv");
setGLExtensionFuncPtr(_glVertexAttribPointer, "glVertexAttribPointer");
// v1.5-only ARB entry points, in case they're needed for fallback
setGLExtensionFuncPtr(_glGetInfoLogARB, "glGetInfoLogARB");
setGLExtensionFuncPtr(_glGetObjectParameterivARB, "glGetObjectParameterivARB");
setGLExtensionFuncPtr(_glDeleteObjectARB, "glDeleteObjectARB");
setGLExtensionFuncPtr(_glGetHandleARB, "glGetHandleARB");
// GL 2.1
setGLExtensionFuncPtr(_glUniformMatrix2x3fv, "glUniformMatrix2x3fv" );
setGLExtensionFuncPtr(_glUniformMatrix3x2fv, "glUniformMatrix3x2fv" );
setGLExtensionFuncPtr(_glUniformMatrix2x4fv, "glUniformMatrix2x4fv" );
setGLExtensionFuncPtr(_glUniformMatrix4x2fv, "glUniformMatrix4x2fv" );
setGLExtensionFuncPtr(_glUniformMatrix3x4fv, "glUniformMatrix3x4fv" );
setGLExtensionFuncPtr(_glUniformMatrix4x3fv, "glUniformMatrix4x3fv" );
// EXT_geometry_shader4
setGLExtensionFuncPtr(_glProgramParameteri, "glProgramParameteri", "glProgramParameteriEXT" );
setGLExtensionFuncPtr(_glFramebufferTexture, "glFramebufferTexture", "glFramebufferTextureEXT" );
setGLExtensionFuncPtr(_glFramebufferTextureLayer, "glFramebufferTextureLayer", "glFramebufferTextureLayerEXT" );
setGLExtensionFuncPtr(_glFramebufferTextureFace, "glFramebufferTextureFace", "glFramebufferTextureFaceEXT" );
// EXT_gpu_shader4
setGLExtensionFuncPtr(_glGetUniformuiv, "glGetUniformuiv", "glGetUniformuivEXT" );
setGLExtensionFuncPtr(_glBindFragDataLocation, "glBindFragDataLocation", "glBindFragDataLocationEXT" );
setGLExtensionFuncPtr(_glGetFragDataLocation, "glGetFragDataLocation", "glGetFragDataLocationEXT" );
setGLExtensionFuncPtr(_glUniform1ui, "glUniform1ui", "glUniform1uiEXT" );
setGLExtensionFuncPtr(_glUniform2ui, "glUniform2ui", "glUniform2uiEXT" );
setGLExtensionFuncPtr(_glUniform3ui, "glUniform3ui", "glUniform3uiEXT" );
setGLExtensionFuncPtr(_glUniform4ui, "glUniform4ui", "glUniform4uiEXT" );
setGLExtensionFuncPtr(_glUniform1uiv, "glUniform1uiv", "glUniform1uivEXT" );
setGLExtensionFuncPtr(_glUniform2uiv, "glUniform2uiv", "glUniform2uivEXT" );
setGLExtensionFuncPtr(_glUniform3uiv, "glUniform3uiv", "glUniform3uivEXT" );
setGLExtensionFuncPtr(_glUniform4uiv, "glUniform4uiv", "glUniform4uivEXT" );
}
bool GL2Extensions::isGlslSupported() const
{
return ( _glVersion >= 2.0f ) ||
( _isShaderObjectsSupported &&
_isVertexShaderSupported &&
_isFragmentShaderSupported &&
_isLanguage100Supported );
}
///////////////////////////////////////////////////////////////////////////
// Static array of per-context osg::GL2Extensions instances
typedef osg::buffered_object< osg::ref_ptr<GL2Extensions> > BufferedExtensions;
static BufferedExtensions s_extensions;
GL2Extensions* GL2Extensions::Get(unsigned int contextID, bool createIfNotInitalized)
{
if (!s_extensions[contextID] && createIfNotInitalized)
s_extensions[contextID] = new GL2Extensions(contextID);
return s_extensions[contextID].get();
}
void GL2Extensions::Set(unsigned int contextID, GL2Extensions* extensions)
{
s_extensions[contextID] = extensions;
}
///////////////////////////////////////////////////////////////////////////
static void NotSupported( const char* funcName )
{
osg::notify(osg::WARN)
<<"Error: "<<funcName<<" not supported by OpenGL driver"<<std::endl;
}
void GL2Extensions::glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) const
{
if (_glBlendEquationSeparate)
{
_glBlendEquationSeparate(modeRGB, modeAlpha);
}
else
{
NotSupported( "glBlendEquationSeparate" );
}
}
void GL2Extensions::glDrawBuffers(GLsizei n, const GLenum *bufs) const
{
if (_glDrawBuffers)
{
_glDrawBuffers(n, bufs);
}
else
{
NotSupported( "glDrawBuffers" );
}
}
void GL2Extensions::glStencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) const
{
if (_glStencilOpSeparate)
{
_glStencilOpSeparate(face, sfail, dpfail, dppass);
}
else
{
NotSupported( "glStencilOpSeparate" );
}
}
void GL2Extensions::glStencilFuncSeparate(GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask) const
{
if (_glStencilFuncSeparate)
{
_glStencilFuncSeparate(frontfunc, backfunc, ref, mask);
}
else
{
NotSupported( "glStencilFuncSeparate" );
}
}
void GL2Extensions::glStencilMaskSeparate(GLenum face, GLuint mask) const
{
if (_glStencilMaskSeparate)
{
_glStencilMaskSeparate(face, mask);
}
else
{
NotSupported( "glStencilMaskSeparate" );
}
}
void GL2Extensions::glAttachShader(GLuint program, GLuint shader) const
{
if (_glAttachShader)
{
_glAttachShader(program, shader);
}
else
{
NotSupported( "glAttachShader" );
}
}
void GL2Extensions::glBindAttribLocation(GLuint program, GLuint index, const GLchar *name) const
{
if (_glBindAttribLocation)
{
_glBindAttribLocation(program, index, name);
}
else
{
NotSupported( "glBindAttribLocation" );
}
}
void GL2Extensions::glCompileShader(GLuint shader) const
{
if (_glCompileShader)
{
_glCompileShader(shader);
}
else
{
NotSupported( "glCompileShader" );
}
}
GLuint GL2Extensions::glCreateProgram(void) const
{
if (_glCreateProgram)
{
return _glCreateProgram();
}
else
{
NotSupported( "glCreateProgram" );
return 0;
}
}
GLuint GL2Extensions::glCreateShader(GLenum type) const
{
if (_glCreateShader)
{
return _glCreateShader(type);
}
else
{
NotSupported( "glCreateShader" );
return 0;
}
}
void GL2Extensions::glDeleteProgram(GLuint program) const
{
if (_glDeleteProgram)
{
_glDeleteProgram(program);
}
else if (_glDeleteObjectARB)
{
_glDeleteObjectARB(program);
}
else
{
NotSupported( "glDeleteProgram" );
}
}
void GL2Extensions::glDeleteShader(GLuint shader) const
{
if (_glDeleteShader)
{
_glDeleteShader(shader);
}
else if (_glDeleteObjectARB)
{
_glDeleteObjectARB(shader);
}
else
{
NotSupported( "glDeleteShader" );
}
}
void GL2Extensions::glDetachShader(GLuint program, GLuint shader) const
{
if (_glDetachShader)
{
_glDetachShader(program, shader);
}
else
{
NotSupported( "glDetachShader" );
}
}
void GL2Extensions::glDisableVertexAttribArray(GLuint index) const
{
if (_glDisableVertexAttribArray)
{
_glDisableVertexAttribArray(index);
}
else
{
NotSupported( "glDisableVertexAttribArray" );
}
}
void GL2Extensions::glEnableVertexAttribArray(GLuint index) const
{
if (_glEnableVertexAttribArray)
{
_glEnableVertexAttribArray(index);
}
else
{
NotSupported( "glEnableVertexAttribArray" );
}
}
void GL2Extensions::glGetActiveAttrib(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) const
{
if (_glGetActiveAttrib)
{
_glGetActiveAttrib(program, index, bufSize, length, size, type, name);
}
else
{
NotSupported( "glGetActiveAttrib" );
}
}
void GL2Extensions::glGetActiveUniform(GLuint program, GLuint index, GLsizei bufSize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) const
{
if (_glGetActiveUniform)
{
_glGetActiveUniform(program, index, bufSize, length, size, type, name);
}
else
{
NotSupported( "glGetActiveUniform" );
}
}
void GL2Extensions::glGetAttachedShaders(GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj) const
{
if (_glGetAttachedShaders)
{
_glGetAttachedShaders(program, maxCount, count, obj);
}
else
{
NotSupported( "glGetAttachedShaders" );
}
}
GLint GL2Extensions::glGetAttribLocation(GLuint program, const GLchar *name) const
{
if (_glGetAttribLocation)
{
return _glGetAttribLocation(program, name);
}
else
{
NotSupported( "glGetAttribLocation" );
return 0;
}
}
void GL2Extensions::glGetProgramiv(GLuint program, GLenum pname, GLint *params) const
{
if (_glGetProgramiv)
{
_glGetProgramiv(program, pname, params);
}
else if (_glGetObjectParameterivARB)
{
_glGetObjectParameterivARB(program, pname, params);
}
else
{
NotSupported( "glGetProgramiv" );
}
}
void GL2Extensions::glGetProgramInfoLog(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog) const
{
if (_glGetProgramInfoLog)
{
_glGetProgramInfoLog(program, bufSize, length, infoLog);
}
else if (_glGetInfoLogARB)
{
_glGetInfoLogARB(program, bufSize, length, infoLog);
}
else
{
NotSupported( "glGetProgramInfoLog" );
}
}
void GL2Extensions::glGetShaderiv(GLuint shader, GLenum pname, GLint *params) const
{
if (_glGetShaderiv)
{
_glGetShaderiv(shader, pname, params);
}
else if (_glGetObjectParameterivARB)
{
_glGetObjectParameterivARB(shader, pname, params);
}
else
{
NotSupported( "glGetShaderiv" );
}
}
void GL2Extensions::glGetShaderInfoLog(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog) const
{
if (_glGetShaderInfoLog)
{
_glGetShaderInfoLog(shader, bufSize, length, infoLog);
}
else if (_glGetInfoLogARB)
{
_glGetInfoLogARB(shader, bufSize, length, infoLog);
}
else
{
NotSupported( "glGetShaderInfoLog" );
}
}
void GL2Extensions::glGetShaderSource(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *source) const
{
if (_glGetShaderSource)
{
_glGetShaderSource(shader, bufSize, length, source);
}
else
{
NotSupported( "glGetShaderSource" );
}
}
GLint GL2Extensions::glGetUniformLocation(GLuint program, const GLchar *name) const
{
if (_glGetUniformLocation)
{
return _glGetUniformLocation(program, name);
}
else
{
NotSupported( "glGetUniformLocation" );
return 0;
}
}
void GL2Extensions::glGetUniformfv(GLuint program, GLint location, GLfloat *params) const
{
if (_glGetUniformfv)
{
_glGetUniformfv(program, location, params);
}
else
{
NotSupported( "glGetUniformfv" );
}
}
void GL2Extensions::glGetUniformiv(GLuint program, GLint location, GLint *params) const
{
if (_glGetUniformiv)
{
_glGetUniformiv(program, location, params);
}
else
{
NotSupported( "glGetUniformiv" );
}
}
void GL2Extensions::glGetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params) const
{
if (_glGetVertexAttribdv)
{
_glGetVertexAttribdv(index, pname, params);
}
else
{
NotSupported( "glGetVertexAttribdv" );
}
}
void GL2Extensions::glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params) const
{
if (_glGetVertexAttribfv)
{
_glGetVertexAttribfv(index, pname, params);
}
else
{
NotSupported( "glGetVertexAttribfv" );
}
}
void GL2Extensions::glGetVertexAttribiv(GLuint index, GLenum pname, GLint *params) const
{
if (_glGetVertexAttribiv)
{
_glGetVertexAttribiv(index, pname, params);
}
else
{
NotSupported( "glGetVertexAttribiv" );
}
}
void GL2Extensions::glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid* *pointer) const
{
if (_glGetVertexAttribPointerv)
{
_glGetVertexAttribPointerv(index, pname, pointer);
}
else
{
NotSupported( "glGetVertexAttribPointerv" );
}
}
GLboolean GL2Extensions::glIsProgram(GLuint program) const
{
if (_glIsProgram)
{
return _glIsProgram(program);
}
else
{
NotSupported( "glIsProgram" );
return 0;
}
}
GLboolean GL2Extensions::glIsShader(GLuint shader) const
{
if (_glIsShader)
{
return _glIsShader(shader);
}
else
{
NotSupported( "glIsShader" );
return 0;
}
}
void GL2Extensions::glLinkProgram(GLuint program) const
{
if (_glLinkProgram)
{
_glLinkProgram(program);
}
else
{
NotSupported( "glLinkProgram" );
}
}
void GL2Extensions::glShaderSource(GLuint shader, GLsizei count, const GLchar* *string, const GLint *length) const
{
if (_glShaderSource)
{
_glShaderSource(shader, count, string, length);
}
else
{
NotSupported( "glShaderSource" );
}
}
void GL2Extensions::glUseProgram(GLuint program) const
{
if (_glUseProgram)
{
_glUseProgram(program);
}
else
{
NotSupported( "glUseProgram" );
}
}
void GL2Extensions::glUniform1f(GLint location, GLfloat v0) const
{
if (_glUniform1f)
{
_glUniform1f(location, v0);
}
else
{
NotSupported( "glUniform1f" );
}
}
void GL2Extensions::glUniform2f(GLint location, GLfloat v0, GLfloat v1) const
{
if (_glUniform2f)
{
_glUniform2f(location, v0, v1);
}
else
{
NotSupported( "glUniform2f" );
}
}
void GL2Extensions::glUniform3f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2) const
{
if (_glUniform3f)
{
_glUniform3f(location, v0, v1, v2);
}
else
{
NotSupported( "glUniform3f" );
}
}
void GL2Extensions::glUniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) const
{
if (_glUniform4f)
{
_glUniform4f(location, v0, v1, v2, v3);
}
else
{
NotSupported( "glUniform4f" );
}
}
void GL2Extensions::glUniform1i(GLint location, GLint v0) const
{
if (_glUniform1i)
{
_glUniform1i(location, v0);
}
else
{
NotSupported( "glUniform1i" );
}
}
void GL2Extensions::glUniform2i(GLint location, GLint v0, GLint v1) const
{
if (_glUniform2i)
{
_glUniform2i(location, v0, v1);
}
else
{
NotSupported( "glUniform2i" );
}
}
void GL2Extensions::glUniform3i(GLint location, GLint v0, GLint v1, GLint v2) const
{
if (_glUniform3i)
{
_glUniform3i(location, v0, v1, v2);
}
else
{
NotSupported( "glUniform3i" );
}
}
void GL2Extensions::glUniform4i(GLint location, GLint v0, GLint v1, GLint v2, GLint v3) const
{
if (_glUniform4i)
{
_glUniform4i(location, v0, v1, v2, v3);
}
else
{
NotSupported( "glUniform4i" );
}
}
void GL2Extensions::glUniform1fv(GLint location, GLsizei count, const GLfloat *value) const
{
if (_glUniform1fv)
{
_glUniform1fv(location, count, value);
}
else
{
NotSupported( "glUniform1fv" );
}
}
void GL2Extensions::glUniform2fv(GLint location, GLsizei count, const GLfloat *value) const
{
if (_glUniform2fv)
{
_glUniform2fv(location, count, value);
}
else
{
NotSupported( "glUniform2fv" );
}
}
void GL2Extensions::glUniform3fv(GLint location, GLsizei count, const GLfloat *value) const
{
if (_glUniform3fv)
{
_glUniform3fv(location, count, value);
}
else
{
NotSupported( "glUniform3fv" );
}
}
void GL2Extensions::glUniform4fv(GLint location, GLsizei count, const GLfloat *value) const
{
if (_glUniform4fv)
{
_glUniform4fv(location, count, value);
}
else
{
NotSupported( "glUniform4fv" );
}
}
void GL2Extensions::glUniform1iv(GLint location, GLsizei count, const GLint *value) const
{
if (_glUniform1iv)
{
_glUniform1iv(location, count, value);
}
else
{
NotSupported( "glUniform1iv" );
}
}
void GL2Extensions::glUniform2iv(GLint location, GLsizei count, const GLint *value) const
{
if (_glUniform2iv)
{
_glUniform2iv(location, count, value);
}
else
{
NotSupported( "glUniform2iv" );
}
}
void GL2Extensions::glUniform3iv(GLint location, GLsizei count, const GLint *value) const
{
if (_glUniform3iv)
{
_glUniform3iv(location, count, value);
}
else
{
NotSupported( "glUniform3iv" );
}
}
void GL2Extensions::glUniform4iv(GLint location, GLsizei count, const GLint *value) const
{
if (_glUniform4iv)
{
_glUniform4iv(location, count, value);
}
else
{
NotSupported( "glUniform4iv" );
}
}
void GL2Extensions::glUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) const
{
if (_glUniformMatrix2fv)
{
_glUniformMatrix2fv(location, count, transpose, value);
}
else
{
NotSupported( "glUniformMatrix2fv" );
}
}
void GL2Extensions::glUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) const
{
if (_glUniformMatrix3fv)
{
_glUniformMatrix3fv(location, count, transpose, value);
}
else
{
NotSupported( "glUniformMatrix3fv" );
}
}
void GL2Extensions::glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) const
{
if (_glUniformMatrix4fv)
{
_glUniformMatrix4fv(location, count, transpose, value);
}
else
{
NotSupported( "glUniformMatrix4fv" );
}
}
void GL2Extensions::glValidateProgram(GLuint program) const
{
if (_glValidateProgram)
{
_glValidateProgram(program);
}
else
{
NotSupported( "glValidateProgram" );
}
}
void GL2Extensions::glVertexAttrib1d(GLuint index, GLdouble x) const
{
if (_glVertexAttrib1d)
{
_glVertexAttrib1d(index, x);
}
else
{
NotSupported( "glVertexAttrib1d" );
}
}
void GL2Extensions::glVertexAttrib1dv(GLuint index, const GLdouble *v) const
{
if (_glVertexAttrib1dv)
{
_glVertexAttrib1dv(index, v);
}
else
{
NotSupported( "glVertexAttrib1dv" );
}
}
void GL2Extensions::glVertexAttrib1f(GLuint index, GLfloat x) const
{
if (_glVertexAttrib1f)
{
_glVertexAttrib1f(index, x);
}
else
{
NotSupported( "glVertexAttrib1f" );
}
}
void GL2Extensions::glVertexAttrib1fv(GLuint index, const GLfloat *v) const
{
if (_glVertexAttrib1fv)
{
_glVertexAttrib1fv(index, v);
}
else
{
NotSupported( "glVertexAttrib1fv" );
}
}
void GL2Extensions::glVertexAttrib1s(GLuint index, GLshort x) const
{
if (_glVertexAttrib1s)
{
_glVertexAttrib1s(index, x);
}
else
{
NotSupported( "glVertexAttrib1s" );
}
}
void GL2Extensions::glVertexAttrib1sv(GLuint index, const GLshort *v) const
{
if (_glVertexAttrib1sv)
{
_glVertexAttrib1sv(index, v);
}
else
{
NotSupported( "glVertexAttrib1sv" );
}
}
void GL2Extensions::glVertexAttrib2d(GLuint index, GLdouble x, GLdouble y) const
{
if (_glVertexAttrib2d)
{
_glVertexAttrib2d(index, x, y);
}
else
{
NotSupported( "glVertexAttrib2d" );
}
}
void GL2Extensions::glVertexAttrib2dv(GLuint index, const GLdouble *v) const
{
if (_glVertexAttrib2dv)
{
_glVertexAttrib2dv(index, v);
}
else
{
NotSupported( "glVertexAttrib2dv" );
}
}
void GL2Extensions::glVertexAttrib2f(GLuint index, GLfloat x, GLfloat y) const
{
if (_glVertexAttrib2f)
{
_glVertexAttrib2f(index, x, y);
}
else
{
NotSupported( "glVertexAttrib2f" );
}
}
void GL2Extensions::glVertexAttrib2fv(GLuint index, const GLfloat *v) const
{
if (_glVertexAttrib2fv)
{
_glVertexAttrib2fv(index, v);
}
else
{
NotSupported( "glVertexAttrib2fv" );
}
}
void GL2Extensions::glVertexAttrib2s(GLuint index, GLshort x, GLshort y) const
{
if (_glVertexAttrib2s)
{
_glVertexAttrib2s(index, x, y);
}
else
{
NotSupported( "glVertexAttrib2s" );
}
}
void GL2Extensions::glVertexAttrib2sv(GLuint index, const GLshort *v) const
{
if (_glVertexAttrib2sv)
{
_glVertexAttrib2sv(index, v);
}
else
{
NotSupported( "glVertexAttrib2sv" );
}
}
void GL2Extensions::glVertexAttrib3d(GLuint index, GLdouble x, GLdouble y, GLdouble z) const
{
if (_glVertexAttrib3d)
{
_glVertexAttrib3d(index, x, y, z);
}
else
{
NotSupported( "glVertexAttrib3d" );
}
}
void GL2Extensions::glVertexAttrib3dv(GLuint index, const GLdouble *v) const
{
if (_glVertexAttrib3dv)
{
_glVertexAttrib3dv(index, v);
}
else
{
NotSupported( "glVertexAttrib3dv" );
}
}
void GL2Extensions::glVertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z) const
{
if (_glVertexAttrib3f)
{
_glVertexAttrib3f(index, x, y, z);
}
else
{
NotSupported( "glVertexAttrib3f" );
}
}
void GL2Extensions::glVertexAttrib3fv(GLuint index, const GLfloat *v) const
{
if (_glVertexAttrib3fv)
{
_glVertexAttrib3fv(index, v);
}
else
{
NotSupported( "glVertexAttrib3fv" );
}
}
void GL2Extensions::glVertexAttrib3s(GLuint index, GLshort x, GLshort y, GLshort z) const
{
if (_glVertexAttrib3s)
{
_glVertexAttrib3s(index, x, y, z);
}
else
{
NotSupported( "glVertexAttrib3s" );
}
}
void GL2Extensions::glVertexAttrib3sv(GLuint index, const GLshort *v) const
{
if (_glVertexAttrib3sv)
{
_glVertexAttrib3sv(index, v);
}
else
{
NotSupported( "glVertexAttrib3sv" );
}
}
void GL2Extensions::glVertexAttrib4Nbv(GLuint index, const GLbyte *v) const
{
if (_glVertexAttrib4Nbv)
{
_glVertexAttrib4Nbv(index, v);
}
else
{
NotSupported( "glVertexAttrib4Nbv" );
}
}
void GL2Extensions::glVertexAttrib4Niv(GLuint index, const GLint *v) const
{
if (_glVertexAttrib4Niv)
{
_glVertexAttrib4Niv(index, v);
}
else
{
NotSupported( "glVertexAttrib4Niv" );
}
}
void GL2Extensions::glVertexAttrib4Nsv(GLuint index, const GLshort *v) const
{
if (_glVertexAttrib4Nsv)
{
_glVertexAttrib4Nsv(index, v);
}
else
{
NotSupported( "glVertexAttrib4Nsv" );
}
}
void GL2Extensions::glVertexAttrib4Nub(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w) const
{
if (_glVertexAttrib4Nub)
{
_glVertexAttrib4Nub(index, x, y, z, w);
}
else
{
NotSupported( "glVertexAttrib4Nub" );
}
}
void GL2Extensions::glVertexAttrib4Nubv(GLuint index, const GLubyte *v) const
{
if (_glVertexAttrib4Nubv)
{
_glVertexAttrib4Nubv(index, v);
}
else
{
NotSupported( "glVertexAttrib4Nubv" );
}
}
void GL2Extensions::glVertexAttrib4Nuiv(GLuint index, const GLuint *v) const
{
if (_glVertexAttrib4Nuiv)
{
_glVertexAttrib4Nuiv(index, v);
}
else
{
NotSupported( "glVertexAttrib4Nuiv" );
}
}
void GL2Extensions::glVertexAttrib4Nusv(GLuint index, const GLushort *v) const
{
if (_glVertexAttrib4Nusv)
{
_glVertexAttrib4Nusv(index, v);
}
else
{
NotSupported( "glVertexAttrib4Nusv" );
}
}
void GL2Extensions::glVertexAttrib4bv(GLuint index, const GLbyte *v) const
{
if (_glVertexAttrib4bv)
{
_glVertexAttrib4bv(index, v);
}
else
{
NotSupported( "glVertexAttrib4bv" );
}
}
void GL2Extensions::glVertexAttrib4d(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w) const
{
if (_glVertexAttrib4d)
{
_glVertexAttrib4d(index, x, y, z, w);
}
else
{
NotSupported( "glVertexAttrib4d" );
}
}
void GL2Extensions::glVertexAttrib4dv(GLuint index, const GLdouble *v) const
{
if (_glVertexAttrib4dv)
{
_glVertexAttrib4dv(index, v);
}
else
{
NotSupported( "glVertexAttrib4dv" );
}
}
void GL2Extensions::glVertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) const
{
if (_glVertexAttrib4f)
{
_glVertexAttrib4f(index, x, y, z, w);
}
else
{
NotSupported( "glVertexAttrib4f" );
}
}
void GL2Extensions::glVertexAttrib4fv(GLuint index, const GLfloat *v) const
{
if (_glVertexAttrib4fv)
{
_glVertexAttrib4fv(index, v);
}
else
{
NotSupported( "glVertexAttrib4fv" );
}
}
void GL2Extensions::glVertexAttrib4iv(GLuint index, const GLint *v) const
{
if (_glVertexAttrib4iv)
{
_glVertexAttrib4iv(index, v);
}
else
{
NotSupported( "glVertexAttrib4iv" );
}
}
void GL2Extensions::glVertexAttrib4s(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w) const
{
if (_glVertexAttrib4s)
{
_glVertexAttrib4s(index, x, y, z, w);
}
else
{
NotSupported( "glVertexAttrib4s" );
}
}
void GL2Extensions::glVertexAttrib4sv(GLuint index, const GLshort *v) const
{
if (_glVertexAttrib4sv)
{
_glVertexAttrib4sv(index, v);
}
else
{
NotSupported( "glVertexAttrib4sv" );
}
}
void GL2Extensions::glVertexAttrib4ubv(GLuint index, const GLubyte *v) const
{
if (_glVertexAttrib4ubv)
{
_glVertexAttrib4ubv(index, v);
}
else
{
NotSupported( "glVertexAttrib4ubv" );
}
}
void GL2Extensions::glVertexAttrib4uiv(GLuint index, const GLuint *v) const
{
if (_glVertexAttrib4uiv)
{
_glVertexAttrib4uiv(index, v);
}
else
{
NotSupported( "glVertexAttrib4uiv" );
}
}
void GL2Extensions::glVertexAttrib4usv(GLuint index, const GLushort *v) const
{
if (_glVertexAttrib4usv)
{
_glVertexAttrib4usv(index, v);
}
else
{
NotSupported( "glVertexAttrib4usv" );
}
}
void GL2Extensions::glVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer) const
{
if (_glVertexAttribPointer)
{
_glVertexAttribPointer(index, size, type, normalized, stride, pointer);
}
else
{
NotSupported( "glVertexAttribPointer" );
}
}
void GL2Extensions::glUniformMatrix2x3fv( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value ) const
{
if (_glUniformMatrix2x3fv)
{
_glUniformMatrix2x3fv( location, count, transpose, value );
}
else
{
NotSupported( "glUniformMatrix2x3fv" );
}
}
void GL2Extensions::glUniformMatrix3x2fv( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value ) const
{
if (_glUniformMatrix3x2fv)
{
_glUniformMatrix3x2fv( location, count, transpose, value );
}
else
{
NotSupported( "glUniformMatrix3x2fv" );
}
}
void GL2Extensions::glUniformMatrix2x4fv( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value ) const
{
if (_glUniformMatrix2x4fv)
{
_glUniformMatrix2x4fv( location, count, transpose, value );
}
else
{
NotSupported( "glUniformMatrix2x4fv" );
}
}
void GL2Extensions::glUniformMatrix4x2fv( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value ) const
{
if (_glUniformMatrix4x2fv)
{
_glUniformMatrix4x2fv( location, count, transpose, value );
}
else
{
NotSupported( "glUniformMatrix4x2fv" );
}
}
void GL2Extensions::glUniformMatrix3x4fv( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value ) const
{
if (_glUniformMatrix3x4fv)
{
_glUniformMatrix3x4fv( location, count, transpose, value );
}
else
{
NotSupported( "glUniformMatrix3x4fv" );
}
}
void GL2Extensions::glUniformMatrix4x3fv( GLint location, GLsizei count, GLboolean transpose, const GLfloat* value ) const
{
if (_glUniformMatrix4x3fv)
{
_glUniformMatrix4x3fv( location, count, transpose, value );
}
else
{
NotSupported( "glUniformMatrix4x3fv" );
}
}
void GL2Extensions::glProgramParameteri( GLuint program, GLenum pname, GLint value ) const
{
if (_glProgramParameteri)
{
_glProgramParameteri( program, pname, value );
}
else
{
NotSupported( "glProgramParameteri" );
}
}
void GL2Extensions::glFramebufferTexture( GLenum target, GLenum attachment, GLuint texture, GLint level ) const
{
if (_glFramebufferTexture)
{
_glFramebufferTexture( target, attachment, texture, level );
}
else
{
NotSupported( "glFramebufferTexture" );
}
}
void GL2Extensions::glFramebufferTextureLayer( GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer ) const
{
if (_glFramebufferTextureLayer)
{
_glFramebufferTextureLayer( target, attachment, texture, level, layer );
}
else
{
NotSupported( "glFramebufferTextureLayer" );
}
}
void GL2Extensions::glFramebufferTextureFace( GLenum target, GLenum attachment, GLuint texture, GLint level, GLenum face ) const
{
if (_glFramebufferTextureFace)
{
_glFramebufferTextureFace( target, attachment, texture, level, face );
}
else
{
NotSupported( "glFramebufferTextureFace" );
}
}
void GL2Extensions::glGetUniformuiv( GLuint program, GLint location, GLuint* params ) const
{
if (_glGetUniformuiv)
{
_glGetUniformuiv( program, location, params );
}
else
{
NotSupported( "glGetUniformuiv" );
}
}
void GL2Extensions::glBindFragDataLocation( GLuint program, GLuint color, const GLchar* name ) const
{
if (_glBindFragDataLocation)
{
_glBindFragDataLocation( program, color, name );
}
else
{
NotSupported( "glBindFragDataLocation" );
}
}
GLint GL2Extensions::glGetFragDataLocation( GLuint program, const GLchar* name ) const
{
if (_glGetFragDataLocation)
{
return _glGetFragDataLocation( program, name );
}
else
{
NotSupported( "glGetFragDataLocation" );
return -1;
}
}
void GL2Extensions::glUniform1ui( GLint location, GLuint v0 ) const
{
if (_glUniform1ui)
{
_glUniform1ui( location, v0 );
}
else
{
NotSupported( "glUniform1ui" );
}
}
void GL2Extensions::glUniform2ui( GLint location, GLuint v0, GLuint v1 ) const
{
if (_glUniform2ui)
{
_glUniform2ui( location, v0, v1 );
}
else
{
NotSupported( "glUniform2ui" );
}
}
void GL2Extensions::glUniform3ui( GLint location, GLuint v0, GLuint v1, GLuint v2 ) const
{
if (_glUniform3ui)
{
_glUniform3ui( location, v0, v1, v2 );
}
else
{
NotSupported( "glUniform3ui" );
}
}
void GL2Extensions::glUniform4ui( GLint location, GLuint v0, GLuint v1, GLuint v2, GLuint v3 ) const
{
if (_glUniform4ui)
{
_glUniform4ui( location, v0, v1, v2, v3 );
}
else
{
NotSupported( "glUniform4ui" );
}
}
void GL2Extensions::glUniform1uiv( GLint location, GLsizei count, const GLuint *value ) const
{
if (_glUniform1uiv)
{
_glUniform1uiv( location, count, value );
}
else
{
NotSupported( "glUniform1uiv" );
}
}
void GL2Extensions::glUniform2uiv( GLint location, GLsizei count, const GLuint *value ) const
{
if (_glUniform2uiv)
{
_glUniform2uiv( location, count, value );
}
else
{
NotSupported( "glUniform2uiv" );
}
}
void GL2Extensions::glUniform3uiv( GLint location, GLsizei count, const GLuint *value ) const
{
if (_glUniform3uiv)
{
_glUniform3uiv( location, count, value );
}
else
{
NotSupported( "glUniform3uiv" );
}
}
void GL2Extensions::glUniform4uiv( GLint location, GLsizei count, const GLuint *value ) const
{
if (_glUniform4uiv)
{
_glUniform4uiv( location, count, value );
}
else
{
NotSupported( "glUniform4uiv" );
}
}
///////////////////////////////////////////////////////////////////////////
// C++-friendly convenience methods
GLuint GL2Extensions::getCurrentProgram() const
{
if( _glVersion >= 2.0f )
{
// GLSL as GL v2.0 core functionality
GLint result = 0;
glGetIntegerv( GL_CURRENT_PROGRAM, &result );
return static_cast<GLuint>(result);
}
else if (_glGetHandleARB)
{
// fallback for GLSL as GL v1.5 ARB extension
#ifndef GL_PROGRAM_OBJECT_ARB
#define GL_PROGRAM_OBJECT_ARB 0x8B40
#endif
return _glGetHandleARB( GL_PROGRAM_OBJECT_ARB );
}
else
{
NotSupported( "getCurrentProgram" );
return 0;
}
}
bool GL2Extensions::getProgramInfoLog( GLuint program, std::string& result ) const
{
GLsizei bufLen = 0; // length of buffer to allocate
GLsizei strLen = 0; // strlen GL actually wrote to buffer
glGetProgramiv( program, GL_INFO_LOG_LENGTH, &bufLen );
if( bufLen > 1 )
{
GLchar* infoLog = new GLchar[bufLen];
glGetProgramInfoLog( program, bufLen, &strLen, infoLog );
if( strLen > 0 ) result = infoLog;
delete [] infoLog;
}
return (strLen > 0);
}
bool GL2Extensions::getShaderInfoLog( GLuint shader, std::string& result ) const
{
GLsizei bufLen = 0; // length of buffer to allocate
GLsizei strLen = 0; // strlen GL actually wrote to buffer
glGetShaderiv( shader, GL_INFO_LOG_LENGTH, &bufLen );
if( bufLen > 1 )
{
GLchar* infoLog = new GLchar[bufLen];
glGetShaderInfoLog( shader, bufLen, &strLen, infoLog );
if( strLen > 0 ) result = infoLog;
delete [] infoLog;
}
return (strLen > 0);
}
bool GL2Extensions::getAttribLocation( const char* attribName, GLuint& location ) const
{
// is there an active GLSL program?
GLuint program = getCurrentProgram();
if( glIsProgram(program) == GL_FALSE ) return false;
// has that program been successfully linked?
GLint linked = GL_FALSE;
glGetProgramiv( program, GL_LINK_STATUS, &linked );
if( linked == GL_FALSE ) return false;
// is there such a named attribute?
GLint loc = glGetAttribLocation( program, attribName );
if( loc < 0 ) return false;
location = loc;
return true;
}
bool GL2Extensions::getFragDataLocation( const char* fragDataName, GLuint& location ) const
{
// is there an active GLSL program?
GLuint program = getCurrentProgram();
if( glIsProgram(program) == GL_FALSE ) return false;
// has that program been successfully linked?
GLint linked = GL_FALSE;
glGetProgramiv( program, GL_LINK_STATUS, &linked );
if( linked == GL_FALSE ) return false;
// check if supported
if (_glGetFragDataLocation == NULL) return false;
// is there such a named attribute?
GLint loc = glGetFragDataLocation( program, fragDataName );
if( loc < 0 ) return false;
location = loc;
return true;
}
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