/osg.mod/src/osg/GL2Extensions.cpp
C++ | 2224 lines | 1803 code | 377 blank | 44 comment | 279 complexity | 568ef34bac371ce9d025ed195aeeede6 MD5 | raw file
- /* -*-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;
- }